Recent Trends of Foaming in Polymer Processing: A Review

Polymer foams have low density, good heat insulation, good sound insulation effects, high specific strength, and high corrosion resistance, and are widely used in civil and industrial applications. In this paper, the classification of polymer foams, principles of the foaming process, types of blowing agents, and raw materials of polymer foams are reviewed. The research progress of various foaming methods and the current problems and possible solutions are discussed in detail.

[1]  L. Marșavina,et al.  Static and dynamic mode I fracture toughness of rigid PUR foams under room and cryogenic temperatures , 2020 .

[2]  Xingyi Xie,et al.  CO2-releasing blowing agents from modified polyethylenimines slightly consume isocyanate groups while foaming polyurethanes , 2020 .

[3]  Q. Shen,et al.  Synthesis and compressive behaviors of PMMA microporous foam with multi-layer cell structure , 2019, Composites Part B: Engineering.

[4]  Fu-Ming Wang,et al.  Preparation of recycled polyethylene terephthalate composite foams and their feasible evaluation for electronic packages , 2019, Polymer Testing.

[5]  A. R. Albooyeh,et al.  The effect of addition of Multiwall Carbon Nanotubes on the vibration properties of Short Glass Fiber reinforced polypropylene and polypropylene foam composites , 2019, Polymer Testing.

[6]  Y. Chew,et al.  Synthesis of novel regenerable 13X zeolite-polyimide adsorbent foams , 2019, Chemical Engineering Journal.

[7]  Yunhong Jiao,et al.  Synthesis of a novel phosphazene-based flame retardant with active amine groups and its application in reducing the fire hazard of Epoxy Resin. , 2019, Journal of hazardous materials.

[8]  Guoqun Zhao,et al.  Ultra-high expansion linear polypropylene foams prepared in a semi-molten state under supercritical CO2 , 2019, The Journal of Supercritical Fluids.

[9]  A. Behravesh,et al.  The role of foaming process on shape memory behavior of polylactic acid-thermoplastic polyurethane-nano cellulose bio-nanocomposites. , 2019, Journal of the mechanical behavior of biomedical materials.

[10]  C. Xu,et al.  New foaming formulations for production of bio-phenol formaldehyde foams using raw kraft lignin , 2019, European Polymer Journal.

[11]  Qingjie Zhang,et al.  Post-curing effect on the chemical structure and its relationship with heat resistance and thermal-mechanical properties of crosslinked PVC foams , 2019, Polymer Testing.

[12]  Dong Lei,et al.  Mechanical performance of polystyrene foam (EPS): Experimental and numerical analysis , 2019, Polymer Testing.

[13]  A. Shukla,et al.  Underwater mechanical behavior of closed cell PVC foams under hydrostatic loading through 3D DIC technique , 2019, Polymer Testing.

[14]  A. Farrokhabadi,et al.  Characterization of compressive behavior of PVC foam infilled composite sandwich panels with different corrugated core shapes , 2019, Thin-Walled Structures.

[15]  S. Milovanović,et al.  Thermal analysis of polylactic acid under high CO2 pressure applied in supercritical impregnation and foaming process design , 2019, The Journal of Supercritical Fluids.

[16]  Chul B. Park,et al.  Investigation of the mold-filling phenomenon in high-pressure foam injection molding and its effects on the cellular structure in expanded foams , 2019, Polymer.

[17]  A. Poulesquen,et al.  Design of lightweight metakaolin based geopolymer foamed with hydrogen peroxide , 2019, Ceramics International.

[18]  D. Quenard,et al.  Numerical and experimental study of the IR opacification of polystyrene foams for thermal insulation enhancement , 2019, Energy and Buildings.

[19]  Pengke Huang,et al.  Ultrastrong, flexible and lightweight anisotropic polypropylene foams with superior flame retardancy , 2019, Composites Part A: Applied Science and Manufacturing.

[20]  Wei Zhang,et al.  Larch tannin-based rigid phenolic foam with high compressive strength, low friability, and low thermal conductivity reinforced by cork powder , 2019, Composites Part B: Engineering.

[21]  Xiaolang Chen,et al.  Novel Intumescent Flame Retardant Masterbatch Prepared through Different Processes and Its Application in EPDM/PP Thermoplastic Elastomer: Thermal Stability, Flame Retardancy, and Mechanical Properties , 2018, Polymers.

[22]  J. Velasco,et al.  Effects of a Phosphorus Flame Retardant System on the Mechanical and Fire Behavior of Microcellular ABS , 2018, Polymers.

[23]  P. Notingher,et al.  Polyethylene Nanocomposites for Power Cable Insulations , 2018, Polymers.

[24]  M. Frigione,et al.  Cold-Cured Epoxy-Based Organic–Inorganic Hybrid Resins Containing Deep Eutectic Solvents , 2018, Polymers.

[25]  Soojin Park,et al.  Fracture Toughness Improvement of Poly(lactic acid) Reinforced with Poly(ε-caprolactone) and Surface-Modified Silicon Carbide , 2018, Advances in Materials Science and Engineering.

[26]  L. Ye,et al.  In situ preparation of intrinsic flame retardant urea formaldehyde/aramid fiber composite foam: Structure, property and reinforcing mechanism , 2018, Composites Part A: Applied Science and Manufacturing.

[27]  K. Strzelec,et al.  Keratin feathers as a filler for rigid polyurethane foams on the basis of soybean oil polyol , 2018, Polymer Testing.

[28]  I. Manke,et al.  Multi-scale tomographic analysis of polymeric foams: A detailed study of the cellular structure , 2018, European Polymer Journal.

[29]  B. Czupryński,et al.  Effect of Evening Primrose Oil-Based Polyol on the Properties of Rigid Polyurethane–Polyisocyanurate Foams for Thermal Insulation , 2018, Polymers.

[30]  W. Gong,et al.  Study on Foaming Quality and Impact Property of Foamed Polypropylene Composites , 2018, Polymers.

[31]  M. J. Mochane,et al.  Thermoplastic Processing of PLA/Cellulose Nanomaterials Composites , 2018, Polymers.

[32]  L. Wågberg,et al.  Layer-by-layer-assembled chitosan/phosphorylated cellulose nanofibrils as a bio-based and flame protecting nano-exoskeleton on PU foams. , 2018, Carbohydrate polymers.

[33]  Jie Gao,et al.  Lightweight Cellulose/Carbon Fiber Composite Foam for Electromagnetic Interference (EMI) Shielding , 2018, Polymers.

[34]  Y. Liu,et al.  Hierarchical Porous Polyamide 6 by Solution Foaming: Synthesis, Characterization and Properties , 2018, Polymers.

[35]  Petrica A. Linul,et al.  Compressive Behavior of Aluminum Microfibers Reinforced Semi-Rigid Polyurethane Foams , 2018, Polymers.

[36]  Chul B. Park,et al.  Lightweight and strong microcellular injection molded PP/talc nanocomposite , 2018, Composites Science and Technology.

[37]  Zhonglei Ma,et al.  Improved dimensional stability of styrene butadiene rubber/ethylene vinyl acetate composite foams with skeleton support structure based on alternately cross-linking process , 2018, Polymer.

[38]  C. Si,et al.  One-pot lignin depolymerization and activation by solid acid catalytic phenolation for lightweight phenolic foam preparation , 2018, Industrial Crops and Products.

[39]  Guangxian Li,et al.  Carbon nanotube-reinforced silicone rubber nanocomposites and the foaming behavior in supercritical carbon dioxide , 2018, The Journal of Supercritical Fluids.

[40]  Chul B. Park,et al.  Lightweight and tough nanocellular PP/PTFE nanocomposite foams with defect-free surfaces obtained using in situ nanofibrillation and nanocellular injection molding , 2018, Chemical Engineering Journal.

[41]  Wei Hua Guo,et al.  Effects of Nano-CaCO3 Content on the Crystallization, Mechanical Properties, and Cell Structure of PP Nanocomposites in Microcellular Injection Molding , 2018, Polymers.

[42]  Changhua Liu,et al.  Heat-counteracted strategy for tailoring the cell structure and properties of sustainable poly(butylene succinate) foams , 2018, Polymer.

[43]  Song Wang,et al.  In-situ cooling of adsorbed water to control cellular structure of polypropylene composite foam during CO2 batch foaming process , 2018, Polymer.

[44]  M. Papaelias,et al.  Wet/dry influence on behaviors of closed-cell polymeric cross-linked foams under static, dynamic and impact loads , 2018, Construction and Building Materials.

[45]  T. Goda,et al.  Determination of the hyper-viscoelastic model parameters of open-cell polymer foams and rubber-like materials with high accuracy , 2018, Materials & Design.

[46]  M. Modesti,et al.  Valuable secondary raw material by chemical recycling of polyisocyanurate foams , 2018, Polymer Degradation and Stability.

[47]  R. Tu,et al.  Experimental Study of Thermal Behavior of Insulation Material Rigid Polyurethane in Parallel, Symmetric, and Adjacent Building Façade Constructions , 2018, Polymers.

[48]  A. Lorenzetti,et al.  Fire Phenomena of Rigid Polyurethane Foams , 2018, Polymers.

[49]  P. Lu,et al.  Nanocellulose Stabilized Pickering Emulsion Templating for Thermosetting AESO Nanocomposite Foams , 2018, Polymers.

[50]  Yu-Zhong Wang,et al.  Flame-retardant and smoke-suppressant flexible polyurethane foams based on reactive phosphorus-containing polyol and expandable graphite. , 2018, Journal of Hazardous Materials.

[51]  A. Ashori,et al.  Thermoplastic starch foamed composites reinforced with cellulose nanofibers: Thermal and mechanical properties. , 2018, Carbohydrate polymers.

[52]  Yang Yu,et al.  Preparation and Properties of the 3-pentadecyl-phenol In Situ Modified Foamable Phenolic Resin , 2018, Polymers.

[53]  Yufeng Ma,et al.  Preparation and Characterization of DOPO-ITA Modified Ethyl Cellulose and Its Application in Phenolic Foams , 2018, Polymers.

[54]  Jialing Yang,et al.  Impact response of low-density foam impinging onto viscoelastic bar: A theoretical analysis , 2018, Composite Structures.

[55]  M. Rodríguez-Pérez,et al.  Analysis of the mechanical properties and effective diffusion coefficient under static creep loading of low-density foams based on polyethylene/clays nanocomposites , 2018, Composites Part B: Engineering.

[56]  Yu-Zhong Wang,et al.  Inherently flame-retardant rigid polyurethane foams with excellent thermal insulation and mechanical properties , 2018, Polymer.

[57]  Yong Kang,et al.  Superhydrophobic and superoleophilic modified EPDM foam rubber fabricated by a facile approach for oil/water separation , 2018, Applied Surface Science.

[58]  U. Cabulis,et al.  Effect of bio-polyols with different chemical structures on foaming of polyurethane systems and foam properties , 2018, Industrial Crops and Products.

[59]  R. T. Olsson,et al.  A facile way of making inexpensive rigid and soft protein biofoams with rapid liquid absorption , 2018, Industrial Crops and Products.

[60]  Lei Liu,et al.  Facile synthesis of a novel magnesium amino-tris-(methylenephosphonate)-reduced graphene oxide hybrid and its high performance in mechanical strength, thermal stability, smoke suppression and flame retardancy in phenolic foam. , 2018, Journal of hazardous materials.

[61]  A. Salimi,et al.  Bio-based thermosetting epoxy foam: Tannic acid valorization toward dye-decontaminating and thermo-protecting applications. , 2018, Journal of hazardous materials.

[62]  Soojin Park,et al.  Effect of Ozone Treatment on Fracture Toughness of Single-Walled Carbon Nanotubes-Reinforced Epoxy Resin Initiated by a Thermal Latent Catalyst , 2018, Macromolecular Research.

[63]  Yi-Chun Chen,et al.  Castor Oil-Based Polyurethane Resin for Low-Density Composites with Bamboo Charcoal , 2018, Polymers.

[64]  Renjie Chen,et al.  Flexible, conductive, and highly pressure-sensitive graphene-polyimide foam for pressure sensor application , 2018, Composites Science and Technology.

[65]  Lei Liu,et al.  High performance nano-zinc amino-tris-(methylenephosphonate) in rigid polyurethane foam with improved mechanical strength, thermal stability and flame retardancy , 2018, Polymer Degradation and Stability.

[66]  L. Verdolotti,et al.  Synthesis and characterization of sustainable polyurethane foams based on polyhydroxyls with different terminal groups , 2018, Polymer.

[67]  Shuming Chen,et al.  Multi-Objective Optimization of Acoustic Performances of Polyurethane Foam Composites , 2018, Polymers.

[68]  S. Bourbigot,et al.  Impact of the formulation of biosourced phenolic foams on their fire properties , 2018, Polymer Degradation and Stability.

[69]  S. Bourbigot,et al.  Flame retardancy of microcellular poly(lactic acid) foams prepared by supercritical CO2-assisted extrusion , 2018, Polymer Degradation and Stability.

[70]  D. Rentsch,et al.  One-Pot Synthesis of P(O)-N Containing Compounds Using N-Chlorosuccinimide and Their Influence in Thermal Decomposition of PU Foams , 2018, Polymers.

[71]  T. Tang,et al.  Unexpected foaming behavior of heterografted comb-like PS-g-(PS/PE) copolymers with high branching density at semi-solid state under CO2 batching foam , 2018, Polymer.

[72]  Yongqian Shi,et al.  Highly-efficient reinforcement and flame retardancy of rigid polyurethane foam with phosphorus-containing additive and nitrogen-containing compound , 2018, Materials Chemistry and Physics.

[73]  I. Gerges,et al.  Exploring the potential of polyurethane-based soft foam as cell-free scaffold for soft tissue regeneration. , 2018, Acta biomaterialia.

[74]  M. Aliha,et al.  Experimental and theoretical fracture toughness investigation of PUR foams under mixed mode I+III loading , 2018 .

[75]  J. Kośny,et al.  Linseed oil as a natural modifier of rigid polyurethane foams , 2018 .

[76]  E. Malewska,et al.  Flexible polyurethane foams synthesized with palm oil-based bio-polyols obtained with the use of different oxirane ring opener , 2018 .

[77]  Weimin Yang,et al.  Effect of Mold Opening Process on Microporous Structure and Properties of Microcellular Polylactide–Polylactide Nanocomposites , 2018, Polymers.

[78]  V. Sadykov,et al.  Preparation and characterization of open-cell epoxy foams modified with carbon fibers and aluminum powder , 2018, Composite Structures.

[79]  Zhilin Chen,et al.  Influence of particle size and addition of recycling phenolic foam on mechanical and flame retardant properties of wood-phenolic composites , 2018 .

[80]  Guoqun Zhao,et al.  A new core-back foam injection molding method with chemical blowing agents , 2018 .

[81]  Xiuli Zhao,et al.  Effect of stoichiometry on the thermal stability and flame retardation of polyisocyanurate foams modified with epoxy resin , 2018 .

[82]  M. Rodríguez-Pérez,et al.  Infrared expandometry: A novel methodology to monitor the expansion kinetics of cellular materials produced with exothermic foaming mechanisms , 2018 .

[83]  Soojin Park,et al.  Effect of Surface Modification on Impact Strength and Flexural Strength of Poly(lactic acid)/Silicon Carbide Nanocomposites , 2018, Macromolecular Research.

[84]  Dongmei Huang,et al.  Experimental investigations on the effects of bottom ventilation on the fire behavior of natural rubber latex foam , 2018 .

[85]  J. Velasco,et al.  Effects of Carbon Nanotubes/Graphene Nanoplatelets Hybrid Systems on the Structure and Properties of Polyetherimide-Based Foams , 2018, Polymers.

[86]  Jian Wang,et al.  Flexural properties and morphology of microcellular-insert injection molded all-polypropylene composite foams , 2018 .

[87]  Chul B. Park,et al.  Modelling of Rod-Like Fillers’ Rotation and Translation near Two Growing Cells in Conductive Polymer Composite Foam Processing , 2018, Polymers.

[88]  S. Sundarram,et al.  Dual pore network polymer foams for biomedical applications via combined solid state foaming and additive manufacturing , 2018 .

[89]  P. Lu,et al.  Comparative study of ultra-lightweight pulp foams obtained from various fibers and reinforced by MFC. , 2018, Carbohydrate polymers.

[90]  I. Yilgor,et al.  Preparation of monolithic polycaprolactone foams with controlled morphology , 2018 .

[91]  Chul B. Park,et al.  Non-crosslinked thermoplastic reticulated polymer foams from crystallization-induced structural heterogeneities , 2018 .

[92]  C. Carrot,et al.  Dsc studies on the decomposition of chemical blowing agents based on citric acid and sodium bicarbonate , 2018 .

[93]  Francisco J. G. Silva,et al.  Injection mold design for a plastic component with blowing agent , 2018 .

[94]  A. M. Matz,et al.  Processing of open-pore silicon foams using graphite composite as space holder , 2018 .

[95]  A. Kidane,et al.  Effects of cell-wall instability and local failure on the response of closed-cell polymeric foams subjected to dynamic loading , 2018 .

[96]  Maciej Kumosa,et al.  Effects of environmental aging on physical properties of aromatic thermosetting copolyester matrix neat and nanocomposite foams , 2018 .

[97]  D. Mielewski,et al.  A case for closed-loop recycling of post-consumer PET for automotive foams. , 2018, Waste management.

[98]  L. Kulinsky,et al.  Fabrication of regular polystyrene foam structures with selective laser sintering , 2017 .

[99]  Peng Liu,et al.  Core-shell expandable graphite @ aluminum hydroxide as a flame-retardant for rigid polyurethane foams , 2017 .

[100]  A. Prociak,et al.  Porous product with reduced apparent density keeps good mechanical properties. Extruded composites of poly(vinyl chloride) blown under microwave irradiation , 2017 .

[101]  A. Sharaiha,et al.  Green foams for microwave absorbing applications: Synthesis and characterization , 2017 .

[102]  Guangxian Li,et al.  Control of the cell structure of microcellular silicone rubber/nanographite foam for enhanced mechanical performance , 2017 .

[103]  M. Ohshima,et al.  Fabrication of lightweight microcellular foams in injection-molded polypropylene using the synergy of long-chain branches and crystal nucleating agents , 2017 .

[104]  J. Youn,et al.  Cell openness manipulation of low density polyurethane foam for efficient sound absorption , 2017 .

[105]  Chul B. Park,et al.  High thermal insulation and compressive strength polypropylene foams fabricated by high-pressure foam injection molding and mold opening of nano-fibrillar composites , 2017 .

[106]  Chun Zhang,et al.  Visualization observation of cells growth in low-density polyethylene foaming processes , 2017 .

[107]  C. Stubenrauch,et al.  Highly ordered biobased scaffolds: From liquid to solid foams , 2017 .

[108]  S. Iannace,et al.  A pressure vessel for studying gas foaming of thermosetting polymers: sorption, synthesis and processing , 2017 .

[109]  A. Athanassiou,et al.  Nanoporous PMMA foams with templated pore size obtained by localized in situ synthesis of nanoparticles and CO2 foaming , 2017 .

[110]  I. Jasiuk,et al.  Aromatic thermosetting copolyester nanocomposite foams: High thermal and mechanical performance lightweight structural materials , 2017 .

[111]  S. Gaidukovs,et al.  Polyurethane rigid foams obtained from polyols containing bio-based and recycled components and functional additives , 2017 .

[112]  Jun Wang,et al.  Effects of aramid honeycomb core on the flame retardance and mechanical property for isocyanate‐based polyimide foams , 2017 .

[113]  Yudong Zheng,et al.  Reprint of: Preparation of a novel sodium alginate/polyvinyl formal composite with a double crosslinking interpenetrating network for multifunctional biomedical application , 2017 .

[114]  Chul B. Park,et al.  Role of elastic strain energy in cell nucleation of polymer foaming and its application for fabricating sub-microcellular TPU microfilms , 2017 .

[115]  A. Sousa,et al.  Thermosetting AESO-bacterial cellulose nanocomposite foams with tailored mechanical properties obtained by Pickering emulsion templating , 2017 .

[116]  Wenzhe Song,et al.  Heat-induced bubble expansion as a route to increase the porosity of foam-templated bio-based macroporous polymers , 2017 .

[117]  F. Zhao,et al.  Numerical simulation of quasi-static compression on a complex rubber foam , 2017 .

[118]  L. Turng,et al.  Sub-critical gas-assisted processing using CO2 foaming to enhance the exfoliation of graphene in polypropylene + graphene nanocomposites , 2017 .

[119]  F. Ronkay,et al.  The effect of mold temperature on chemical foaming of injection molded recycled polyethylene-terephthalate , 2017 .

[120]  Xingyi Xie,et al.  Towards green polyurethane foams via renewable castor oil-derived polyol and carbon dioxide releasing blowing agents from alkylated polyethylenimines , 2017 .

[121]  Jialing Yang,et al.  Theoretical investigation on impact resistance and energy absorption of foams with nonlinearly varying density , 2017 .

[122]  Lianhe Liu,et al.  Fabrication of isocyanate‐based polyimide foam by a postgrafting method , 2017 .

[123]  M. Rodríguez-Pérez,et al.  Molecular confinement of solid and gaseous phases of self-standing bulk nanoporous polymers inducing enhanced and unexpected physical properties , 2017 .

[124]  Ha-Ryong Kim,et al.  Conductive poly(high internal phase emulsion) foams incorporated with polydopamine-coated carbon nanotubes , 2017 .

[125]  M. Rodríguez-Pérez,et al.  Highly anisotropic crosslinked HDPE foams with a controlled anisotropy ratio: Production and characterization of the cellular structure and mechanical properties , 2017 .

[126]  U. A. Handge,et al.  Preparation and characterisation of open-celled foams using polystyrene-b-poly(4-vinylpyridine) and poly(4-methylstyrene)-b-poly(4-vinylpyridine) diblock copolymers , 2017 .

[127]  L. Turng,et al.  Investigation of Thermal and Thermomechanical Properties of Biodegradable PLA/PBSA Composites Processed via Supercritical Fluid-Assisted Foam Injection Molding , 2017, Polymers.

[128]  Jiantong Li,et al.  Preparation and properties of polyimide/chopped carbon fiber composite foams , 2017 .

[129]  I. Yilgor,et al.  Fabrication of rigid poly(lactic acid) foams via thermally induced phase separation , 2016 .

[130]  M. Rodríguez-Pérez,et al.  Dielectric behavior of porous PMMA: From the micrometer to the nanometer scale , 2016 .

[131]  Soojin Park,et al.  Fracture toughness improvement of poly(lactic acid) with silicon carbide whiskers , 2016, Macromolecular Research.

[132]  Soojin Park,et al.  Physico-mechanical and fire properties of polyurethane/melamine-formaldehyde interpenetrating polymer network foams , 2016, Macromolecular Research.

[133]  J. Lo,et al.  Relation of impact strength to the microstructure of functionally graded porous structures of acrylonitrile butadiene styrene (ABS) foamed by thermally activated microspheres , 2016 .

[134]  S. Chirachanchai,et al.  Polyoxymethylene foam: From an investigation of key factors related to porous morphologies and microstructure to the optimization of foam properties , 2016 .

[135]  M. Rodríguez-Pérez,et al.  Low Density Nanocellular Polymers Based on PMMA Produced by Gas Dissolution Foaming: Fabrication and Cellular Structure Characterization , 2016, Polymers.

[136]  V. Nassiet,et al.  High Temperature Epoxy Foam: Optimization of Process Parameters , 2016, Polymers.

[137]  L. Turng,et al.  Water-assisted compounding of cellulose nanocrystals into polyamide 6 for use as a nucleating agent for microcellular foaming , 2016 .

[138]  Soojin Park,et al.  Synergistic reinforcing of poly(lactic acid)-based systems by polybutylene succinate and nano-calcium carbonate , 2015 .

[139]  Soojin Park,et al.  Synthesis of a novel phosphorus-nitrogen-containing intumescent flame retardant and its application to fabrics , 2015 .

[140]  Soojin Park,et al.  Fracture toughness and surface morphology of polysulfone-modified epoxy resin , 2015 .

[141]  Soojin Park,et al.  Synthesis and thermal properties of urethane-containing epoxy resin , 2015 .

[142]  Chul B. Park,et al.  Past and present developments in polymer bead foams and bead foaming technology , 2015 .

[143]  Chul B. Park,et al.  Extruded PLA/clay nanocomposite foams blown with supercritical CO2 , 2014 .

[144]  Soojin Park,et al.  Fracture toughness improvement of epoxy resins with short carbon fibers , 2014 .

[145]  Soojin Park,et al.  Thermal and mechanical interfacial properties of epoxy composites based on functionalized carbon nanotubes , 2011 .

[146]  Soojin Park,et al.  Synthesis of a Novel Phosphorus-containing Flame Retardant for Epoxy Resins , 2009 .

[147]  Soojin Park,et al.  Interfacial toughness properties of trifunctional epoxy resins/calcium carbonate nanocomposites , 2008 .

[148]  Soojin Park,et al.  Thermal properties and toughness performance of hyperbranched-polyimide-modified epoxy resins , 2006 .

[149]  J. Shin,et al.  Cationic polymerization and physicochemical properties of a biobased epoxy resin initiated by thermally latent catalysts , 2005 .

[150]  Soo-Jin Park,et al.  Effect of Biodegradable Epoxidized Castor Oil on Physicochemical and Mechanical Properties of Epoxy Resins , 2004 .

[151]  Soo-Jin Park,et al.  Thermal and mechanical properties of tetrafunctional epoxy resin toughened with epoxidized soybean oil , 2004 .

[152]  Soo-Jin Park,et al.  Synthesis and Thermal Properties of Epoxidized Vegetable Oil , 2004 .