J. Torkelson

发表

Influence of cure via network structure on mechanical properties of a free-radical polymerizing thermoset

S. Carr, Manisha Sachin Ganglani, J. Torkelson, 2002 .

Spin coating of thin and ultrathin polymer films

Patrick T. Underhill, J. Torkelson, D. B. Hall, 1998 .

Trace levels of mechanochemical effects in pulverized polyolefins

S. Carr, Manisha Sachin Ganglani, J. Torkelson, 2001 .

A New Polymer Processing Technology for Polymer Blends with Unmatched Viscosity: Solid-State Shear Pulverization (S3P)

J. Torkelson, K. Khait, 2000 .

Polyurethane/polyhydroxyurethane hybrid polymers and their applications as adhesive bonding agents

William H. Heath, J. Torkelson, Emily K. Leitsch, 2016 .

Dispersion and Major Property Enhancements in Polymer/Multiwall Carbon Nanotube Nanocomposites via Solid-State Shear Pulverization Followed by Melt Mixing

J. Torkelson, Jun'ichi Masuda, 2008 .

Enhancement of Surface Wettability by Incorporating Polar Initiator Fragments at Chain Ends of Low-Molecular-Weight Polymers.

J. Torkelson, Lanhe Zhang, 2017, ACS applied materials & interfaces.

Shear-induced orientation in polymer/clay dispersions via in situ X-ray scattering

W. Burghardt, R. Krishnamoorti, J. Torkelson, 2010 .

Molecular weight dependence of the intrinsic size effect on Tg in AAO template-supported polymer nanorods: A DSC study.

J. Torkelson, S. Askar, T. Wei, 2017, The Journal of chemical physics.

Suppression of the Fragility-Confinement Effect via Low Molecular Weight Cyclic or Ring Polymer Topology

Scott M. Grayson, S. Grayson, J. Torkelson, 2017 .

Tuning the Tg-confinement effect in thin polymer films via minute levels of residual surfactant which “cap” the free surface

J. Torkelson, Lawrence Chen, 2016 .

Major Impact of Cyclic Chain Topology on the Tg-Confinement Effect of Supported Thin Films of Polystyrene

Scott M. Grayson, S. Grayson, J. Torkelson, 2016 .

Methacrylate-based polymer films useful in lithographic applications exhibit different glass transition temperature-confinement effects at high and low molecular weight

T. Lan, J. Torkelson, 2014 .

Fragility is a Key Parameter in Determining the Magnitude of Tg-Confinement Effects in Polymer Films

Hui Deng, C. M. Evans, J. Torkelson, 2013 .

Preparation and characterization of multiwalled carbon nanotube dispersions in polypropylene: Melt mixing versus solid‐state shear pulverization

L. Brinson, W. Burghardt, R. Andrews, 2009 .

Novel Strategy for Polymer Blend Compatibilization: Solid-State Shear Pulverization

J. Torkelson, Andrew H. Lebovitz, K. Khait, 2000 .

Stabilization of dispersed phase to static coarsening: Polymer blend compatibilization via solid-state shear pulverization

J. Torkelson, Andrew H. Lebovitz, K. Khait, 2002 .

Large enhancement of second harmonic generation in polymer films by microcavities

H. Cao, J. Torkelson, D. B. Hall, 2000 .

Impacts of polystyrene molecular weight and modification to the repeat unit structure on the glass transition-nanoconfinement effect and the cooperativity length scale

Christopher J. Ellison, C. Ellison, J. Torkelson, 2005 .

Functional enzyme–polymer complexes

Carolyn E. Mills, B. Qiao, M. Olvera de la Cruz, 2022, Proceedings of the National Academy of Sciences of the United States of America.

Determining multiple component glass transition temperatures in miscible polymer blends: Comparison of fluorescence spectroscopy and differential scanning calorimetry

C. M. Evans, J. Torkelson, 2012 .

Determining order-to-disorder transitions in block copolymer thin films using a self-referencing fluorescent probe

J. Torkelson, Zhe Qiang, Lingqiao Li, 2020 .

Rotational reorientation dynamics of nonlinear optical chromophores in rubbery and glassy polymers: .alpha.-relaxation dynamics probed by second harmonic generation and dielectric relaxation

John M. Torkelson, George K.L. Wong, Ali Dhinojwala, 1993 .

Dramatic Tunability of the Glass Transition Temperature and Fragility of Low Molecular Weight Polystyrene by Initiator Fragments Located at Chain Ends

T. Lan, J. Torkelson, Lanhe Zhang, 2016 .

Relative contribution of the electric-field-induced third-order effect to second-harmonic generation in poled, doped, amorphous polymers

G. Wong, J. Torkelson, A. Dhinojwala, 1994 .

Novel Experimental Protocol for Studying Temporal Decay of Second-Order Nonlinear Optical Polymer Properties: Quantitative Analysis of Coupling to Polymer Dynamics and Conditions for Temporal Stability

J. Hooker, J. Torkelson, A. Dhinojwala, 1993 .

Stiffness Gradients in Glassy Polymer Model Nanocomposites: Comparisons of Quantitative Characterization by Fluorescence Spectroscopy and Atomic Force Microscopy

M. Zhang, L. Brinson, J. Torkelson, 2017 .

Confinement, composition, and spin-coating effects on the glass transition and stress relaxation of thin films of polystyrene and styrene-containing random copolymers: Sensing by intrinsic fluorescence

Christopher J. Ellison, C. Ellison, J. Torkelson, 2006 .

Direct Use of Natural Antioxidant-rich Agro-wastes as Thermal Stabilizer for Polymer: Processing and Recycling

Krishnan A. Iyer, J. Torkelson, Lanhe Zhang, 2016 .

Distribution of Glass Transition Temperatures in Free-Standing, Nanoconfined Polystyrene Films: A Test of de Gennes’ Sliding Motion Mechanism

Soyoung Kim, J. Torkelson, 2011 .

Confinement effects on glass transition temperature, transition breadth, and expansivity: Comparison of ellipsometry and fluorescence measurements on polystyrene films

J. Torkelson, C. Roth, S. Kim, 2009, The European physical journal. E, Soft matter.

Effect of nanoscale confinement on the glass transition temperature of free‐standing polymer films: Novel, self‐referencing fluorescence method

Soyoung Kim, J. Torkelson, C. Roth, 2008 .

Large melting point depression of 2-3-nm length-scale nanocrystals formed by the self-assembly of an associative polymer: Telechelic, pyrene-labeled poly(dimethylsiloxane)

J. Torkelson, B. Jones, 2004 .

Tg and Tg breadth of poly(2,6-dimethyl-1,4-phenylene oxide)/polystyrene miscible polymer blends characterized by differential scanning calorimetry, ellipsometry, and fluorescence spectroscopy

Kailong Jin, J. Torkelson, 2015 .

Compatibilized polymer blends with nanoscale or sub-micron dispersed phases achieved by hydrogen-bonding effects : Block copolymer vs blocky gradient copolymer addition

S. Nguyen, J. Torkelson, Jungki Kim, 2008 .

Effect of Gradient Sequencing on Copolymer Order–Disorder Transitions: Phase Behavior of Styrene/n-Butyl Acrylate Block and Gradient Copolymers

Christopher J. Ellison, C. Ellison, M. Mok, 2011 .

Ecoresorbable and bioresorbable microelectromechanical systems

Corey M. Rountree, Yonggang Huang, Changsheng Wu, 2022, Nature Electronics.

Green composites of polypropylene and eggshell: Effective biofiller size reduction and dispersion by single-step processing with solid-state shear pulverization

Krishnan A. Iyer, J. Torkelson, 2014 .

Interpolymer radical coupling reactions during sonication of polymer solutions

J. Torkelson, Andrew H. Lebovitz, A. C. Chen, 2003 .

Second harmonic generation in corona poled, doped polymer films as a function of corona processing

S. Grubb, J. Torkelson, S. Bethke, 1990 .

Lateral diffusion of single poly(ethylene oxide) chains on the surfaces of glassy and molten polymer films.

Zhenyu J. Zhang, J. Torkelson, M. Geoghegan, 2021, The Journal of chemical physics.

Photophysics of polymers

J. Torkelson, C. Hoyle, 1987 .

Coarsening effects on the formation of microporous membranes produced via thermally induced phase separation of polystyrene-cyclohexanol solutions

J. Torkelson, S. Song, 1995 .

Dopant orientation dynamics in doped second-order nonlinear optical amorphous polymers. 2. Effects of physical aging on poled films

G. Wong, Jian Yang, J. Torkelson, 1990 .

Large enhancement of second harmonic generation in polymer films by microcavities

H. Cao, J. Torkelson, D. B. Hall, 1999 .

Effect of spatial confinement on the glass-transition temperature of patterned polymer nanostructures.

V. Dravid, J. Torkelson, Manish K. Mundra, 2007, Nano letters.

Interactive cardiovascular and thoracic surgery STERNUM SUPPORT MAY PREVENT MAJOR ATELECTASIS AFTER MEDIAN STERNOTOMY

Peter Lindholm, J. Torkelson, S. Nyrén, 2014 .

Achievement of quasi-nanostructured polymer blends by solid-state shear pulverization and compatibilization by gradient copolymer addition

Ying Tao, J. Torkelson, Jungki Kim, 2006 .

Second Order Nonlinear Optics and Polymer Physics of Corona Poled, Doped Polymer Materials

G. Wong, Jian Yang, J. Torkelson, 1989 .

Dramatic reduction of the effect of nanoconfinement on the glass transition of polymer films via addition of small-molecule diluent.

Christopher J. Ellison, C. Ellison, J. Torkelson, 2004, Physical review letters.

Coarsening effects on microstructure formation in isopycnic polymer solutions and membranes produced via thermally induced phase separation

J. Torkelson, S. Song, 1994 .

The roles of phase separation mechanism and coarsening in the formation of poly(methyl methacrylate) asymmetric membranes

J. Torkelson, F. Tsai, 1990 .

Fluorescence studies of confinement in polymer films and nanocomposites: Glass transition temperature, plasticizer effects, and sensitivity to stress relaxation and local polarity

Christopher J. Ellison, C. Ellison, J. Torkelson, 2007 .

Photochromic and fluorescent probe studies in glassy polymer matrices. 3. Effects of physical aging and molar weight on the size distribution of local free volume in polystyrene

J. G. Victor, J. Torkelson, 1988 .

Influence of solvent and molecular weight on thickness and surface topography of spin‐coated polymer films

J. Torkelson, Lora L. Spangler, J. Royal, 1990 .

Development of rigid amorphous fraction in cold‐crystallized syndiotactic polystyrene films confined near the nanoscale: Novel analysis via ellipsometry

J. Torkelson, Boran Chen, 2022, Journal of Polymer Science.

Impact of bottlebrush chain architecture on T g ‐confinement and fragility‐confinement effects enabled by thermo‐cleavable bottlebrush polymers synthesized by radical coupling and atom transfer radical polymerization

Kailong Jin, J. Torkelson, Zhe Qiang, 2020 .

Second harmonic generation in doped glassy polymer films as a function of physical ageing and dopant size

G. Wong, J. Torkelson, H. L. Hampsch, 1989 .

A study of interpenetration using fluorescence quenching of chromophore-labelled polymers

J. Torkelson, W. Schwimmer, 1987 .

Eliminating the Tg-Confinement Effect in Polystyrene Films: Extraordinary Impact of a 2 mol % 2-Ethylhexyl Acrylate Comonomer

T. Wang, J. Torkelson, Sipei Zhang, 2022, Macromolecules.

Ellipsometry measurements of glass transition breadth in bulk films of random, block, and gradient copolymers

M. Mok, J. Torkelson, J. Kim, 2010, The European physical journal. E, Soft matter.

Effects of Nanoscale Confinement and Interfaces on the Glass Transition Temperatures of a Series of Poly(n-methacrylate) Films

Rodney D. Priestley, L. Broadbelt, J. Torkelson, 2007 .

Sensing the glass transition in thin and ultrathin polymer films via fluorescence probes and labels

Christopher J. Ellison, C. Ellison, J. Torkelson, 2002 .

Nonisocyanate Thermoplastic Polyhydroxyurethane Elastomers via Cyclic Carbonate Aminolysis: Critical Role of Hydroxyl Groups in Controlling Nanophase Separation.

William H. Heath, T. Lan, K. Scheidt, 2016, ACS macro letters.

Tenfold increase in the photostability of an azobenzene guest in vapor-deposited glass mixtures.

Lucas W Antony, J. D. de Pablo, J. Torkelson, 2018, The Journal of chemical physics.

Reprocessable polyhydroxyurethane networks reinforced with reactive polyhedral oligomeric silsesquioxanes (POSS) and exhibiting excellent elevated temperature creep resistance

X. Chen, J. Torkelson, Sumeng Hu, 2022, Polymer.

Simultaneous Determination of Critical Micelle Temperature and Micelle Core Glass Transition Temperature of Block Copolymer–Solvent Systems via Pyrene-Label Fluorescence

K. Shull, Kevin J. Henderson, C. M. Evans, 2013 .

Enhanced Tg-Confinement Effect in Cross-Linked Polystyrene Compared to Its Linear Precursor: Roles of Fragility and Chain Architecture

Kailong Jin, J. Torkelson, 2016 .

Major Roles of Blend Partner Fragility and Dye Placement on Component Glass Transition Temperatures: Fluorescence Study of Near-Infinitely Dilute Species in Binary Blends

C. M. Evans, J. Torkelson, 2012 .

Fragility-Confinement Effects: Apparent Universality as a Function of Scaled Thickness in Films of Freely Deposited, Linear Polymer and Its Absence in Densely Grafted Brushes

T. Lan, J. Torkelson, 2016 .

Unusual Glass Transition Breadths of Ionomers: Effects of Thermal Treatment and Charge-Carrying Side Chains

M. Olvera de la Cruz, J. Torkelson, T. D. Nguyen, 2022, Macromolecules.

Phase-Separated Thiol–Epoxy–Acrylate Hybrid Polymer Networks with Controlled Cross-Link Density Synthesized by Simultaneous Thiol–Acrylate and Thiol–Epoxy Click Reactions

William H. Heath, Kailong Jin, J. Torkelson, 2016 .

Tg-confinement effects in strongly miscible blends of poly(2,6-dimethyl-1,4-phenylene oxide) and polystyrene: Roles of bulk fragility and chain segregation

Kailong Jin, J. Torkelson, 2017 .

Role of neighboring domains in determining the magnitude and direction of Tg-confinement effects in binary, immiscible polymer systems

Rodney D. Priestley, L. Broadbelt, Soyoung Kim, 2015 .

Glass Transition Temperature of a Component near Infinite Dilution in Binary Polymer Blends: Determination via Fluorescence Spectroscopy

C. M. Evans, J. Torkelson, R. Sandoval, 2011 .

Gradient copolymers with broad glass transition temperature regions: Design of purely interphase compositions for damping applications

M. Mok, J. Torkelson, Jungki Kim, 2008 .

Structural Relaxation of Polymer Glasses at Surfaces, Interfaces, and In Between

Linda J. Broadbelt, Christopher J. Ellison, Rodney D. Priestley, 2005, Science.

Maleic anhydride functionalization of polypropylene with suppressed molecular weight reduction via solid-state shear pulverization

J. Torkelson, M. Diop, 2013 .

Well-mixed blends of HDPE and ultrahigh molecular weight polyethylene with major improvements in impact strength achieved via solid-state shear pulverization

W. Burghardt, J. Torkelson, M. Diop, 2014 .

Identification of Known and Novel Monomers for Poly(hydroxyurethanes) from Biobased Materials

L. Broadbelt, J. Torkelson, Yixuan Chen, 2021 .

Kinetics of multifunctional thiol-epoxy click reactions studied by differential scanning calorimetry: Effects of catalysis and functionality

William H. Heath, Kailong Jin, J. Torkelson, 2015 .

Nanoscale Confinement and Temperature Effects on Associative Polymers in Thin Films: Fluorescence Study of a Telechelic, Pyrene-Labeled Poly(dimethylsiloxane)

J. Torkelson, Sung Dug Kim, 2002 .

Influence of initiator fragments as chain ends on the Tg-confinement effect and dewetting of thin films of ultralow molecular weight polymer

J. Torkelson, Lanhe Zhang, 2015 .

Ester Functionalization of Polypropylene via Controlled Decomposition of Benzoyl Peroxide during Solid-State Shear Pulverization

J. Torkelson, M. Diop, 2013 .

Non-Isocyanate Polyurethane Thermoplastic Elastomer: Amide-Based Chain Extender Yields Enhanced Nanophase Separation and Properties in Polyhydroxyurethane

William R. Dichtel, William H. Heath, W. Dichtel, 2017 .

Remarkable glass transition breadths up to 120 K exhibited by block-gradient copolymers and by gradient copolymers plasticized by oligomer

J. Torkelson, Lingqiao Li, S. R. Marrou, 2018, Polymer.

Uniquely Broad Glass Transition Temperatures of Gradient Copolymers Relative to Random and Block Copolymers Containing Repulsive Comonomers

M. Mok, J. Torkelson, Jungki Kim, 2006 .

Tuning nanophase separation behavior in segmented polyhydroxyurethane via judicious choice of soft segment

Tian Lan, William H. Heath, John M. Torkelson, 2017 .

The distribution of glass-transition temperatures in nanoscopically confined glass formers

Christopher J. Ellison, Christopher J Ellison, C. Ellison, 2003, Nature materials.

Molecular Weight Dependence of the Glass Transition Temperature (Tg)-Confinement Effect in Well-Dispersed Poly(2-vinyl pyridine)–Silica Nanocomposites: Comparison of Interfacial Layer Tg and Matrix Tg

J. Torkelson, T. Wei, 2020 .

Polystyrene-Grafted Silica Nanoparticles: Investigating the Molecular Weight Dependence of Glass Transition and Fragility Behavior

J. Torkelson, Lingqiao Li, S. Askar, 2017 .

Stiffness of thin, supported polystyrene films: Free-surface, substrate, and confinement effects characterized via self-referencing fluorescence

J. Torkelson, S. Askar, 2016 .

Poly(methyl methacrylate) nanotubes in AAO templates: Designing nanotube thickness and characterizing the Tg-confinement effect by DSC

J. Torkelson, Anthony Tan, A. Tan, 2016 .

Residual stress relaxation and stiffness in spin-coated polymer films: Characterization by ellipsometry and fluorescence

C. M. Evans, J. Torkelson, S. Askar, 2015 .

Measuring interphase stiffening effects in styrene-based polymeric thin films

Craig Burkhart, L. Catherine Brinson, John M. Torkelson, 2015 .

Substantial spatial heterogeneity and tunability of glass transition temperature observed with dense polymer brushes prepared by ARGET ATRP

T. Lan, J. Torkelson, 2015 .

Streamlined ellipsometry procedure for characterizing physical aging rates of thin polymer films

J. Torkelson, C. Roth, Elizabeth A. Baker, 2009 .

Evidence for the molecular-scale origin of the suppression of physical ageing in confined polymer: fluorescence and dielectric spectroscopy studies of polymer–silica nanocomposites

Rodney D. Priestley, L. Broadbelt, J. Torkelson, 2007 .

Model polymer nanocomposites provide an understanding of confinement effects in real nanocomposites.

Rodney D. Priestley, L. Broadbelt, J. Torkelson, 2007, Nature materials.

Synthesis and application of styrene/4-hydroxystyrene gradient copolymers made by controlled radical polymerization: Compatibilization of immiscible polymer blends via hydrogen-bonding effects

S. Nguyen, J. Torkelson, Jungki Kim, 2006 .

Polymer–nanoparticle interfacial interactions in polymer nanocomposites: Confinement effects on glass transition temperature and suppression of physical aging

J. Torkelson, Perla Rittigstein, 2006 .

In situ monitoring of sorption and drying of polymer films and coatings: self-referencing, nearly temperature-independent fluorescence sensors

Christopher J. Ellison, C. Ellison, J. Torkelson, 2004 .

Confinement and processing effects on glass transition temperature and physical aging in ultrathin polymer films: Novel fluorescence measurements

Christopher J. Ellison, C. Ellison, J. Torkelson, 2002, The European physical journal. E, Soft matter.

Ultrathin polymer films near the glass transition: Effect on the distribution of α-relaxation times as measured by second harmonic generation

J. Hooker, J. Torkelson, D. B. Hall, 1997 .

Translation-rotation paradox for diffusion in glass-forming polymers: The role of the temperature dependence of the relaxation time distribution

J. Torkelson, D. B. Hall, A. Dhinojwala, 1997 .

Small molecule probe diffusion in thin polymer films near the glass transition: A novel approach using fluorescence nonradiative energy transfer

J. Torkelson, Denise D. Deppe, and Ali Dhinojwala, 1996 .

Vitrimers Designed Both To Strongly Suppress Creep and To Recover Original Cross-Link Density after Reprocessing: Quantitative Theory and Experiments

Kailong Jin, J. Torkelson, Lingqiao Li, 2018, Macromolecules.

Critical micelle concentrations of block and gradient copolymers in homopolymer: Effects of sequence distribution, composition, and molecular weight

J. Torkelson, Jungki Kim, C. Roth, 2008 .

The concentration dependence of excimer fluorescence in polystyrene solutions

J. Torkelson, F. Tsai, 1988 .

Combined Effects of Carbonate and Soft-Segment Molecular Structures on the Nanophase Separation and Properties of Segmented Polyhydroxyurethane

William H. Heath, Brice E. Uno, K. Scheidt, 2017 .

Tuning the properties of segmented polyhydroxyurethanes via chain extender structure

William H. Heath, J. Torkelson, Goliath Beniah, 2017 .

Reprocessable Polymer Networks via Thiourethane Dynamic Chemistry: Recovery of Cross-link Density after Recycling and Proof-of-Principle Solvolysis Leading to Monomer Recovery

John M. Torkelson, Lingqiao Li, J. Torkelson, 2019, Macromolecules.

Novel thermoplastic polyhydroxyurethane elastomers as effective damping materials over broad temperature ranges

William H. Heath, K. Scheidt, J. Torkelson, 2016 .

Recyclable polymer networks containing hydroxyurethane dynamic cross-links: Tuning morphology, cross-link density, and associated properties with chain extenders

J. Torkelson, Lingqiao Li, Xi Chen, 2019, Polymer.

Reprocessable Polymer Networks Designed with Hydroxyurethane Dynamic Cross‐links: Effect of Backbone Structure on Network Morphology, Phase Segregation, and Property Recovery

J. Torkelson, Lingqiao Li, T. Wei, 2019, Macromolecular Chemistry and Physics.

Novel synthesis of branched polypropylene via solid-state shear pulverization

J. Torkelson, M. Diop, 2015 .

Biobased Reprocessable Polyhydroxyurethane Networks: Full Recovery of Crosslink Density with Three Concurrent Dynamic Chemistries

J. Torkelson, Sumeng Hu, Xi Chen, 2019, ACS Sustainable Chemistry & Engineering.

Functionalization of hydroxyl groups in segmented polyhydroxyurethane eliminates nanophase separation

William H. Heath, J. Torkelson, Goliath Beniah, 2017 .

Polymer Blend Compatibilization by Gradient Copolymer Addition during Melt Processing: Stabilization of Dispersed Phase to Static Coarsening

S. Nguyen, J. Torkelson, Jungki Kim, 2005 .

Sub-micron dispersed-phase particle size in polymer blends: overcoming the Taylor limit via solid-state shear pulverization

John M. Torkelson, J. Torkelson, Andrew H. Lebovitz, 2003 .

Heterogeneous Charged Complexes of Random Copolymers for the Segregation of Organic Molecules

M. Olvera de la Cruz, J. Torkelson, Curt Waltmann, 2021, ACS central science.

Reprocessable covalent adaptable networks with excellent elevated-temperature creep resistance: facilitation by dynamic, dissociative bis(hindered amino) disulfide bonds

J. Torkelson, Mohammed A. Bin Rusayyis, 2021, Polymer Chemistry.

Monohydroxy-hydrazone-functionalized Thermally Crosslinked Polymers for Nonlinear Optics

J. Torkelson, D. B. Hall, J. Stoffer, 2004 .

Dielectric Relaxation Spectroscopy of Gradient Copolymers and Block Copolymers: Comparison of Breadths in Relaxation Time for Systems with Increasing Interphase

Kevin A. Masser, J. Runt, M. Mok, 2010 .

Apparent thickening behavior of dilute polystyrene solutions in extensional flows

J. Torkelson, P. N. Georgelos, 1988 .

The role of solution structure in apparent thickening behavior of dilute peo/water systems

J. Torkelson, P. N. Georgelos, 1988 .

Polyethylene/starch blends with enhanced oxygen barrier and mechanical properties: Effect of granule morphology damage by solid-state shear pulverization

Ying Tao, J. Torkelson, Amanda M. Walker, 2007 .

Reprocessable polyhydroxyurethane networks exhibiting full property recovery and concurrent associative and dissociative dynamic chemistry: Via transcarbamoylation and reversible cyclic carbonate aminolysis

Kailong Jin, J. Torkelson, Lingqiao Li, 2017 .

Sustainable Green Hybrids of Polyolefins and Lignin Yield Major Improvements in Mechanical Properties When Prepared via Solid-State Shear Pulverization

Krishnan A. Iyer, J. Torkelson, 2015 .

An Evaluation of Free Volume Approaches to Describe the Gel Effect in Free Radical Polymerization

John M. Torkelson, Marc Brian Wisnudel, J. Torkelson, 1998 .

Polypropylene-graphite nanocomposites made by solid-state shear pulverization: Effects of significantly exfoliated, unmodified graphite content on physical, mechanical and electrical properties

J. Torkelson, Philipp Brunner, K. Wakabayashi, 2010 .

Crumpled Graphene Nanosheets as Highly Effective Barrier Property Enhancers

S. Nguyen, O. C. Compton, Soyoung Kim, 2010, Advanced materials.

Dynamic Covalent Polyurethane Networks with Excellent Property and Cross-Link Density Recovery after Recycling and Potential for Monomer Recovery

J. Torkelson, Sumeng Hu, Lingqiao Li, 2020 .

Cooperative Catalysis of Cyclic Carbonate Ring Opening: Application Towards Non‐Isocyanate Polyurethane Materials

William H. Heath, K. Scheidt, J. Torkelson, 2015 .

Enhanced glass transition temperature of low molecular weight poly(methyl methacrylate) by initiator fragments located at chain ends

J. Torkelson, Lanhe Zhang, 2017 .

Reprocessable Polyhydroxyurethane Network Composites: Effect of Filler Surface Functionality on Cross-link Density Recovery and Stress Relaxation.

D. Venerus, J. Torkelson, Lingqiao Li, 2018, ACS applied materials & interfaces.

Green polypropylene/waste paper composites with superior modulus and crystallization behavior: Optimizing specific energy in solid-state shear pulverization for filler size reduction and dispersion

Krishnan A. Iyer, J. Torkelson, John Lechanski, 2016 .

Novel, synergistic composites of polypropylene and rice husk ash: Sustainable resource hybrids prepared by solid‐state shear pulverization

Krishnan A. Iyer, J. Torkelson, 2013 .

Self-referencing fluorescence sensor for monitoring conversion of nonisothermal polymerization and nanoscale mixing of resin components

John M. Torkelson, J. Torkelson, Jason C. Quirin, 2003 .

Photocurable bioresorbable adhesives as functional interfaces between flexible bioelectronic devices and soft biological tissues

Yeon Sik Choi, Rose T. Yin, Yonggang Huang, 2021, Nature Materials.

On measuring the distribution of local free volume in glassy polymers by photochromic and fluorescence techniques

J. G. Victor, John M. Torkelson, J. Torkelson, 1987 .

Comparison of critical micelle concentrations of gradient copolymer and block copolymer in homopolymer: Novel characterization by intrinsic fluorescence

J. Torkelson, Jungki Kim, C. Roth, 2007 .

Synthesis and Functionalization of ROMP-Based Gradient Copolymers of 5-Substituted Norbornenes

S. Nguyen, J. Torkelson, C. Dettmer, 2004 .

Synthesis and Glass Transition Behavior of High Molecular Weight Styrene/4-Acetoxystyene and Styrene/4-Hydroxystyrene Gradient Copolymers Made via Nitroxide-Mediated Controlled Radical Polymerization

S. Nguyen, J. Torkelson, Hongying Zhou, 2004 .

Synthesis, characterization and photophysical properties of benzil-labelled polymers for studies of diffusion-limited interactions by phosphorescence quenching

J. Torkelson, M. Gebert, 1990 .

Rotational reorientation dynamics of disperse red 1 in polystyrene: α ‐relaxation dynamics probed by second harmonic generation and dielectric relaxation

John M. Torkelson, George K.L. Wong, Ali Dhinojwala, 1994 .

Rigid amorphous fraction and crystallinity in cold-crystallized syndiotactic polystyrene: Characterization by differential scanning calorimetry

J. Torkelson, Boran Chen, 2021 .

Porod scattering study of coarsening in immiscible polymer blends

John M. Torkelson, Wesley Roth Burghardt, W. Burghardt, 2005 .

Microphase Separation and Shear Alignment of Gradient Copolymers: Melt Rheology and Small-Angle X-Ray Scattering Analysis

Christopher J. Ellison, S. Nguyen, W. Burghardt, 2008 .

Glass transition breadths and composition profiles of weakly, moderately, and strongly segregating gradient copolymers: experimental results and calculations from self-consistent mean-field theory

Christopher J. Ellison, S. Nguyen, C. Ellison, 2009 .

Phase separation of oligomeric polystyrene-polybutadiene blends as studied by excimer fluorescence

J. Torkelson, F. Tsai, 1988 .

Fluorescence and absorbance of polystyrene in dilute and semidilute solutions

D. Tirrell, M. Tirrell, J. Torkelson, 1983 .

Polystyrene fluorescence: effects of molecular weight in various solvents

M. Tirrell, J. Torkelson, S. Lipsky, 1981 .

Engineering Surface Hydrophilicity via Polymer Chain-End Segregation in Coatings Formed by Photopolymerization

Caroline R. Szczepanski, J. Torkelson, 2019, ACS Applied Polymer Materials.

Breadth of glass transition temperature in styrene/acrylic acid block, random, and gradient copolymers: Unusual sequence distribution effects

J. Torkelson, Jungki Kim, C. Wong, 2007 .

Arresting Elevated-Temperature Creep and Achieving Full Cross-Link Density Recovery in Reprocessable Polymer Networks and Network Composites via Nitroxide-Mediated Dynamic Chemistry

Kailong Jin, J. Torkelson, Lingqiao Li, 2021 .

Imaging of phase segregation in gradient copolymers: Island and hole surface topography

M. Mok, J. Torkelson, 2012 .

Styrene/4-hydroxystyrene random, block and gradient copolymers modified with an organic dye: Synthesis by controlled radical polymerization and characterization of electrorheological properties

S. Nguyen, S. Lee, M. Suh, 2006 .

Differences in enthalpy recovery of gradient and random copolymers of similar overall composition: styrene/4-methylstyrene copolymers made by nitroxide-mediated controlled radical polymerization

S. Nguyen, J. Torkelson, Hongying Zhou, 2004 .

Miscibility and phase separation in poly(methyl methacrylate)/poly(vinyl chloride) blends: study of thermodynamics by thermal analysis

John M. Torkelson, J. Torkelson, Sunny Shen, 1992 .

Physical Aging of Ultrathin Polymer Films above and below the Bulk Glass Transition Temperature: Effects of Attractive vs Neutral Polymer−Substrate Interactions Measured by Fluorescence

Rodney D. Priestley, L. Broadbelt, J. Torkelson, 2005 .

Cellular structures of carbon nanotubes in a polymer matrix improve properties relative to composites with dispersed nanotubes

K. Winey, J. Torkelson, Amanda M. Walker, 2008 .

Isolating the effect of polymer-grafted nanoparticle interactions with matrix polymer from dispersion on composite property enhancement: The example of polypropylene/halloysite nanocomposites

Kailong Jin, J. Torkelson, T. Wei, 2019, Polymer.

Polymer−Graphite Nanocomposites: Effective Dispersion and Major Property Enhancement via Solid-State Shear Pulverization

Rodney S. Ruoff, L. Catherine Brinson, John M. Torkelson, 2008 .

Preliminary investigations into organic-inorganic composite formation: the system DDAB-H2O-MMA-CaSO4

S. Tracy, H. Jennings, J. Torkelson, 1996 .

Cellulose nanocrystal/polyolefin biocomposites prepared by solid- state shear pulverization: Superior dispersion leading to synergistic property enhancements

Krishnan A. Iyer, G. Schueneman, J. Torkelson, 2015 .

Dispersion and Property Enhancements in Polyolefin/Soy Flour Biocomposites Prepared via Melt Extrusion Followed by Solid-State Shear Pulverization

Krishnan A. Iyer, J. Torkelson, 2015 .

Comparison of polyolefin biocomposites prepared with waste cardboard, microcrystalline cellulose, and cellulose nanocrystals via solid-state shear pulverization

Krishnan A. Iyer, J. Torkelson, A. Flores, 2015 .

Importance of superior dispersion versus filler surface modification in producing robust polymer nanocomposites: The example of polypropylene/nanosilica hybrids

Krishnan A. Iyer, J. Torkelson, 2015 .

Processing-Structure-Property Relationships in Solid-State Shear Pulverization: Parametric Study of specific energy

J. Torkelson, Philipp Brunner, K. Wakabayashi, 2012 .

Effects of process method and quiescent coarsening on dispersed-phase size distribution in polymer blends: comparison of solid-state shear pulverization with intensive batch melt mixing

J. Torkelson, M. Diop, 2015, Polymer Bulletin.

Compatibilizing effects of block copolymer mixed with immiscible polymer blends by solid-state shear pulverization: stabilizing the dispersed phase to static coarsening

Ying Tao, J. Torkelson, Andrew H. Lebovitz, 2005 .

In Situ Block Copolymer Formation during Solid-State Shear Pulverization: An Explanation for Blend Compatibilization via Interpolymer Radical Reactions

J. Torkelson, Andrew H. Lebovitz, K. Khait, 2002 .

Eliminating the Enhanced Mobility at the Free Surface of Polystyrene: Fluorescence Studies of the Glass Transition Temperature in Thin Bilayer Films of Immiscible Polymers

J. Torkelson, W. Jager, K. L. McNerny, 2007 .

Covalent Adaptive Networks for Enhanced Adhesion: Exploiting Disulfide Dynamic Chemistry and Annealing during Application

J. Torkelson, Lingqiao Li, Xi Chen, 2020 .

Sustainable Green Hybrids of Polyole fi ns and Lignin Yield Major Improvements in Mechanical Properties When Prepared via Solid-State Shear

Krishnan A. Iyer, J. Torkelson, 2015 .

Segmented Thermoplastic Polymers Synthesized by Thiol–Ene Click Chemistry: Examples of Thiol–Norbornene and Thiol–Maleimide Click Reactions

William H. Heath, Kailong Jin, J. Torkelson, 2018 .

A critical experimental examination of the gel effect in free radical polymerization: Do entanglements cause autoacceleration?

J. Torkelson, G. A. O'neil, M. B. Wisnudel, 1996 .

A reconsideration of the measurement of polymer interdiffusion by fluorescence nonradiative energy transfer

J. Torkelson, A. Dhinojwala, 1994 .

Influence of Molecular Weight and Composition on the Morphology and Mechanical Properties of SBS-Polystyrene-Mineral Oil Blends

J. Torkelson, L. S. Flosenzier, 1992 .

Effect of chain length on rates of diffusion‐limited small molecule‐polymer and polymer‐polymer reactions: Phosphorescence quenching studies

J. Torkelson, M. B. Wisnudel, 1996 .

Orientation and Second Harmonic Generation in Doped Polystyrene and Poly(Methyl Methacrylate) Films

J. Yang, Hilary L. Hampsch, John M. Torkelson, 1988 .

Gel effect in free radical polymerization: Model discrimination of its cause

J. Torkelson, G. A. O'neil, M. B. Wisnudel, 1998 .

Small-molecule probe diffusion in polymer solutions: Studies by Taylor dispersion and phosphorescence quenching

J. Torkelson, M. B. Wisnudel, 1996 .

Two-dimensional coarsening and phase separation in thin polymer solution films

J. Torkelson, C. Haas, 1997 .

Behavior of gradient copolymers at liquid/liquid interfaces.

S. Nguyen, K. Shull, M. Mok, 2010, Langmuir : the ACS journal of surfaces and colloids.

Physical aging effects on molecular-scale polymer relaxations monitored with mobility-sensitive fluorescent molecules

J. Torkelson, J. Royal, 1993 .

Bulk physical aging behavior of cross-linked polystyrene compared to its linear precursor: Effects of cross-linking and aging temperature

Kailong Jin, J. Torkelson, Lingqiao Li, 2017 .

Retardation of rotational reorientation dynamics in polymers near the glass transition: a novel study over eleven decades in time using second-order non-linear optics

J. Hooker, J. Torkelson, A. Dhinojwala, 1994 .

The effects of blending small amounts of homopolystyrene on the mechanical properties of a low styrene content styrene-butadiene-styrene block copolymer

J. Torkelson, L. S. Flosenzier, John H. Rohlfing, 1990 .

Small molecule probe diffusion in thin and ultrathin supported polymer films

John M. Torkelson, J. Torkelson, D. B. Hall, 1998 .

A Combined Computational and Experimental Study of Copolymerization Propagation Kinetics for 1‐Ethylcyclopentyl methacrylate and Methyl methacrylate

Steven G. Arturo, L. Broadbelt, Hanyu Gao, 2016 .

Optical and electrical properties of polymers

J. Torkelson, J. Emerson, 1991 .

Hybrid thiol-acrylate-epoxy polymer networks: Comparison of one-pot synthesis with sequential reactions and shape memory properties

William H. Heath, J. Torkelson, Elizabeth A. Dhulst, 2016 .

Fluorescence of Vinyl Aromatic Polyelectrolytes: Effects of Conformation, Concentration, and Molecular Weight of Sodium Poly(styrenesulfonate)

J. Torkelson, M. Major, 1986 .

Dopant Orientation Dynamics in Doped Second-Order Nonlinear Optical Amorphous Polymers. 1. Effects of Temperature Above and Below Tg in Corona-Poled Films

Hilary L. Hampsch, John M. Torkelson, G. Wong, 1990 .

Birefringence and second-order nonlinear optics as probes of polymer cooperative segmental mobility: Demonstration of Debye-type relaxation

W. Burghardt, J. Hooker, J. Torkelson, 1999 .

Rapidly synthesized, self-blowing, non-isocyanate Polyurethane network foams with reprocessing to bulk networks via hydroxyurethane dynamic chemistry

Yixuan Chen, J. Torkelson, Tong Wang, 2023, Polymer.

Shear-Induced Orientation in Well-Exfoliated Polystyrene/Clay Nanocomposites

W. Burghardt, J. Torkelson, L. Dykes, 2012 .

Reducing the Bulk Fragility and Suppressing the Fragility-Confinement Effect in Polystyrene with Very Low Levels of 2-Ethylhexyl Acrylate Comonomer

J. Torkelson, A. Peera, J. Reffner, 2023, Macromolecules.

Suppression of theTg-Nanoconfinement Effect in Thin Poly(vinyl acetate) Films by Sorbed Water

Soyoung Kim, J. Torkelson, C. Roth, 2010 .

Molecular probe techniques for studying diffusion and relaxation in thin and ultrathin polymer films

Robert D. Miller, J. Torkelson, D. B. Hall, 1997 .

Molecular-scale asymmetry and memory behavior in poly(vinyl acetate) monitored with mobility-sensitive fluorescent molecules

J. Torkelson, J. Royal, 1992 .

Biobased, Reprocessable Non-isocyanate Polythiourethane Networks with Thionourethane and Disulfide Cross-Links: Comparison with Polyhydroxyurethane Network Analogues

J. Torkelson, Bo-Ji Chen, Yixuan Chen, 2023, Macromolecules.

Isocyanate-free, thermoplastic polyhydroxyurethane elastomers designed for cold temperatures: Influence of PDMS soft-segment chain length and hard-segment content

J. Torkelson, Sumeng Hu, Xi Chen, 2022, Polymer.

Crystallization and Enthalpy Relaxation of Physically Associating, End-Linked Polymer Networks: Telechelic Pyrene-Labeled Polydimethylsiloxane

J. Torkelson, B. Jones, 2004 .

Simple Upcycling of Virgin and Waste Polyethylene into Covalent Adaptable Networks: Catalyst-Free, Radical-Based Reactive Processing with Dialkylamino Disulfide Bonds

J. Torkelson, Bo-Ji Chen, Logan Fenimore, 2022, Journal of Materials Chemistry A.

Recyclable Crosslinked Polymer Networks via One‐Step Controlled Radical Polymerization

Kailong Jin, J. Torkelson, Lingqiao Li, 2016, Advanced materials.

Reprocessable and Recyclable Chain-Growth Polymer Networks Based on Dynamic Hindered Urea Bonds.

J. Torkelson, Mohammed A. Bin Rusayyis, 2022, ACS macro letters.

Recyclable Polymethacrylate Networks Containing Dynamic Dialkylamino Disulfide Linkages and Exhibiting Full Property Recovery

J. Torkelson, Mohammed A. Bin Rusayyis, 2020 .

Tailoring Interactions of Random Copolymer Polyelectrolyte Complexes to Remove Nanoplastic Contaminants from Water.

J. Hegarty, V. Dravid, M. Olvera de la Cruz, 2023, Langmuir : the ACS journal of surfaces and colloids.

Diffusional Dynamics Near the Glass Transition in Amorphous Polymer Thin Films

J. Torkelson, Denise D. Deppe, 1995 .

Probe translational and rotational diffusion in polymers near Tg: roles of probe size, shape, and secondary bonding in deviations from Debye–Stokes–Einstein scaling

J. Torkelson, D. B. Hall, A. Dhinojwala, 1998 .

Coupling of Probe Reorientation Dynamics and Rotor Motions to Polymer Relaxation as Sensed by Second Harmonic Generation and Fluorescence

J. Hooker, J. Torkelson, 1995 .

Recent advances in the understanding of the gel effect in free-radical polymerization

J. Torkelson, G. A. O'neil, 1997 .

Fluorescence nonradiative energy transfer in bulk polymer and miscible and phase-separated polymer blends: A quantitative analysis including correlation effects

J. Torkelson, M. O. Cruz, A. Mendelsohn, 1994 .

Glass transition and alpha -relaxation dynamics of thin films of labeled polystyrene.

Rodney D. Priestley, L. Broadbelt, J. Torkelson, 2007, Physical review. E, Statistical, nonlinear, and soft matter physics.

Selectively probing the glass transition temperature in multilayer polymer films : Equivalence of block copolymers and multilayer films of different homopolymers

J. Torkelson, C. Roth, 2007 .

Fluorescence energy transfer studies of styrene-isoprene diblock copolymer solutions†

J. Torkelson, Ann M. Brearley, M. Major, 1990 .

Apparatus with an elastic barrier for radial compression of liquid supported monolayers

P. Dutta, J. Ketterson, J. Torkelson, 1992 .

Modeling Insight into the Diffusion-Limited Cause of the Gel Effect in Free Radical Polymerization

J. Torkelson, G. A. O'neil, 1999 .

Solid-State Shear Pulverization of Plastics: A Green Recycling Process

John M. Torkelson, J. Torkelson, Klementina Khait, 1999 .

Photochromic and fluorescent probe studies in glassy polymer matrices. 5. Effects of physical aging on bisphenol A polycarbonate and poly(vinyl acetate) as sensed by a size distribution of photochromic probes

J. Torkelson, J. Royal, 1992 .

Photochromic and fluorescent probe studies in glassy polymer matrices. 4. Effects of physical aging on poly(methyl methacrylate) as sensed by a size distribution of photochromic probes

J. G. Victor, J. Torkelson, J. Royal, 1992 .

MICROPOROUS POLY(METHYL METHACRYLATE) MEMBRANES : EFFECT OF A LOW-VISCOSITY SOLVENT ON THE FORMATION MECHANISM

J. Torkelson, F. Tsai, 1990 .

Modulus, confinement, and temperature effects on surface capillary wave dynamics in bilayer polymer films near the glass transition.

S. Narayanan, Zhang Jiang, C. M. Evans, 2012, Physical review letters.

In situ monitoring of free‐radical polymerization by fluorescence quenching of fluorene and reactive derivatives

John M. Torkelson, Frederick D. Lewis, J. Torkelson, 1994 .

Quantitative analysis of rotational dynamics in doped polymers above and below the glass transition temperature: a novel application of second-order nonlinear optics

G. Wong, J. Torkelson, A. Dhinojwala, 1992 .

On the proper use of concentration profiles for determining polymer diffusion coefficients via fluorescence nonradiative energy transfer

J. Torkelson, G. A. O'neil, 1997 .

Mobility‐sensitive fluorescence probes for quantitative monitoring of water sorption and diffusion in polymer coatings

J. Torkelson, R. Krueger, K. Miller, 1995 .

Rigid amorphous fraction in isotactic polystyrene induced by cold crystallization: Characterization by differential scanning calorimetry and ellipsometry

J. Torkelson, Boran Chen, Tong Wang, 2023, Journal of Polymer Science.

Limitations in the Synthesis of High Molecular Weight Polymers via Nitroxide-Mediated Controlled Radical Polymerization: Experimental Studies

S. Nguyen, J. Torkelson, Hongying Zhou, 2003 .

Efficient mixing of polymer blends of extreme viscosity ratio : Elimination of phase inversion via solid-state shear pulverization

John M. Torkelson, J. Torkelson, Naomi Furgiuele, 2000 .

Thermoplastic segmented polyhydroxyurethane: Biobased segments can lead to broad-temperature-range damping character in the absence of inter-segment hydrogen bonding

J. Torkelson, Yixuan Chen, 2024, European Polymer Journal.

Eliminating the Tg-confinement and fragility-confinement effects in poly(4-methylstyrene) films by incorporation of 3 mol % 2-ethylheyxl acrylate comonomer.

J. Torkelson, Tong Wang, Sergio Serna, 2024, The Journal of chemical physics.

Tunability and molecular weight dependence of the physical aging behavior of polystyrene and poly(methyl methacrylate) films

J. Torkelson, Tong Wei, Tong Wang, 2024, Polymer Engineering & Science.