Reactive Compatibilization of Polyamide 6/Olefin Block Copolymer Blends: Phase Morphology, Rheological Behavior, Thermal Behavior, and Mechanical Properties

In this study, the morphology, rheological behavior, thermal behavior, and mechanical properties of a polyamide 6 (PA6) and olefin block copolymer (OBC) blend compatibilized with maleic anhydride-grafted polyethylene-octene copolymer (POE-g-MAH) were investigated. The morphological observations showed that the addition of POE-g-MAH enhanced the OBC particle dispersion in the PA6 matrix, suggesting a better interfacial compatibility between the pure PA6 and OBC. The results of the Fourier transform infrared (FTIR) spectroscopy analysis and the Molau test confirmed the compatibilization reactions between POE-g-MAH and PA6. The rheological test revealed that the melt viscosity, storage modulus (G’), and loss modulus (G”) of the compatibilized PA6/OBC blends at low frequency were increased with the increasing POE-g-MAH content. The thermal analysis indicated that the addition of OBC had little effect on the crystallization behavior of PA6, while the incorporation of POE-g-MAH at high content (7 wt%) in the PA6/OBC blend restricted the crystallization of PA6. In addition, the compatibilized blends exhibited a significant enhancement in impact strength compared to the uncompatibilized PA6/OBC blend, in which the highest value of impact strength obtained at a POE-g-MAH content of 7 wt% was about 194% higher than that of pure PA6 under our experimental conditions.

[1]  S. Mhaske,et al.  Novel approach for the preparation of a compatibilized blend of nylon 11 and polypropylene with polyhydroxybutyrate: Mechanical, thermal, and barrier properties , 2019, Journal of Applied Polymer Science.

[2]  Xin Wang,et al.  Mechanical properties, rheological behaviors, and phase morphologies of high-toughness PLA/PBAT blends by in-situ reactive compatibilization , 2019, Composites Part B: Engineering.

[3]  R. Khajavi,et al.  Nonisothermal crystallization kinetic studies on melt processed poly(ethylene terephthalate)/polylactic acid blends containing graphene oxide and exfoliated graphite nanoplatelets , 2019, Journal of Applied Polymer Science.

[4]  Q. Fu,et al.  The combined effect of reactive and high-shear extrusion on the phase morphologies and properties of PLA/OBC/EGMA ternary blends , 2019, Polymer.

[5]  A. A. Azar,et al.  Morphology and Mechanical Properties of Polyamide 6/Acrylonitrile-Butadiene-Styrene Blends Containing Carbon Nanotubes , 2019, Journal of macromolecular science. Physics.

[6]  S. Lai,et al.  Shape Memory Properties of Melt-Blended Olefin Block Copolymer (OBC)/Ethylene-Vinyl Acetate Blends , 2019, Journal of Macromolecular Science, Part B.

[7]  P. Pötschke,et al.  The Influence of the Blend Ratio in PA6/PA66/MWCNT Blend Composites on the Electrical and Thermal Properties , 2019, Polymers.

[8]  Selvin P. Thomas,et al.  Investigation of mechanical, dynamic mechanical, rheological and morphological properties of blends based on polypropylene (PP) and cyclic olefin copolymer (COC) , 2018, European Polymer Journal.

[9]  S. Stoliarov,et al.  Development of a Semiglobal Reaction Mechanism for the Thermal Decomposition of a Polymer Containing Reactive Flame Retardants: Application to Glass-Fiber-Reinforced Polybutylene Terephthalate Blended with Aluminum Diethyl Phosphinate and Melamine Polyphosphate , 2018, Polymers.

[10]  G. L. Mantovani,et al.  The influence of viscosity and composition of ABS on the ABS/SBS blend morphology and properties , 2018, Journal of Applied Polymer Science.

[11]  Weiyi Zhou,et al.  Highly toughened polylactide (PLA) by reactive blending with novel polycaprolactone-based polyurethane (PCLU) blends , 2018, Polymer Testing.

[12]  Shijie Cheng,et al.  Maleic Anhydride-Grafted Isotactic Polybutene-1 and Modified Polyamide 6 , 2018, Polymers.

[13]  W. Kim,et al.  Relationship between the interfacial tension and compatibility of polycarbonate and poly(acrylonitrile–butadiene–styrene) blends with reactive compatibilizers , 2018 .

[14]  Zhanhu Guo,et al.  Preparation of polystyrene-b-poly(ethylene/propylene)-b-polystyrene grafted glycidyl methacrylate and its compatibility with recycled polypropylene/recycled high impact polystyrene blends , 2018, Polymer.

[15]  R. Auras,et al.  Toughening of Poly(lactic acid) and Thermoplastic Cassava Starch Reactive Blends Using Graphene Nanoplatelets , 2018, Polymers.

[16]  V. Altstädt,et al.  Effect of organoclay incorporation and blending protocol on performance of PA6/ABS nanocomposites compatibilized with SANMA , 2017 .

[17]  Jiachun Feng,et al.  Toughened polypropylene random copolymer with olefin block copolymer , 2016 .

[18]  M. Liberatore,et al.  Processable conductive graphene/polyethylene nanocomposites: Effects of graphene dispersion and polyethylene blending with oxidized polyethylene on rheology and microstructure , 2016 .

[19]  B. Shin,et al.  Morphological, Rheological, and Mechanical Properties of Polyamide 6/Polypropylene Blends Compatibilized by Electron-Beam Irradiation in the Presence of a Reactive Agent , 2016, Materials.

[20]  Danfeng Li,et al.  Compatibilization effect of MMA-co-GMA copolymers on the properties of polyamide 6/Poly(vinylidene fluoride) blends , 2015, Journal of Polymer Research.

[21]  Hongbin Zhang,et al.  Compatibilization by Olefin Block Copolymer (OBC) in Polypropylene/Ethylene-Propylene-Diene Terpolymer (PP/EPDM) Blends , 2015 .

[22]  M. Karami,et al.  Effect of rubber content on morphology and thermal and rheological behaviors of acrylonitrile-butadiene rubber/poly(ethylene-co-vinyl acetate)/organoclay nanocomposites , 2014 .

[23]  Y. Son,et al.  Toughening of nylon 6 with a ethylene–octene copolymer grafted with maleic anhydride and styrene , 2014 .

[24]  Ming‐bo Yang,et al.  Effect of EPDM-g-MAH on the morphology and properties of PA6/EPDM/HDPE ternary blends , 2013 .

[25]  A. Arsad,et al.  Flow Characteristics and Dynamic Behavior of Polyamide 6/Acrylonitile Butadiene Styrene (PA6/ABS) Blends , 2013 .

[26]  Minghan Xu,et al.  Ethylene-Propylene Elastomer Grafted Maleic Anhydride Toughened Polyamide-6 Morphology and Properties , 2013 .

[27]  Jianbo Yang,et al.  Dynamic rheological behavior and mechanical properties and of PVC/ASA blends , 2012, Journal of Polymer Research.

[28]  Dujing Wang,et al.  Correlation of miscibility and mechanical properties of polypropylene/olefin block copolymers: Effect of chain composition , 2012 .

[29]  A. Singh,et al.  Compatibilization Efficacy of LLDPE-g-MA on Mechanical, Thermal, Morphological and Water Absorption Properties of Nylon-6/LLDPE Blends , 2012 .

[30]  Weihua Zhou,et al.  Reactive compatibilization of PA 6/ABS blends by ethylene‐acrylate‐glycidyl methacrylate copolymer , 2011 .

[31]  Shaoyun Guo,et al.  Enhanced compatibility of PA6/POE blends by POE-g-MAH prepared through ultrasound-assisted extrusion , 2010 .

[32]  G. Hu,et al.  One-step compatibilization of polyamide 6/ poly (ethylene-1-octene) blends with maleic anhydride and peroxide , 2010 .

[33]  X. Ji,et al.  Polyamide-6/Poly(lactic acid) Blends Compatibilized by the Maleic Anhydride Grafted Polyethylene-Octene Elastomer , 2010 .

[34]  Yanmo Chen,et al.  Toughened poly(trimethylene terephthalate) by blending with a functionalized ethylene–propylene–diene copolymer , 2010 .

[35]  E. Araújo,et al.  Influence of reactive compatibilizers on the rheometrical and mechanical properties of PA6/LDPE and PA6/HDPE blends , 2010 .

[36]  M. Paoli,et al.  Polyamide-6/High-Density Polyethylene Blend Using Recycled High-Density Polyethylene as Compatibilizer: Morphology, Mechanical Properties, and Thermal Stability , 2009 .

[37]  P. Steve Chum,et al.  Olefin polymer technologies—History and recent progress at The Dow Chemical Company , 2008 .

[38]  P. Hustad,et al.  Catalytic Production of Olefin Block Copolymers via Chain Shuttling Polymerization , 2006, Science.

[39]  P. Narducci,et al.  Comparative study of different maleic anhydride grafted compatibilizer precursors towards LDPE/PA6 blends: Morphology and mechanical properties , 2005 .

[40]  C. Macosko,et al.  The effect of block copolymer architecture on the coalescence and interfacial elasticity in compatibilized polymer blends , 2005 .

[41]  Sie Chin Tjong,et al.  Impact fracture toughness of polyamide‐6/montmorillonite nanocomposites toughened with a maleated styrene/ethylene butylene/styrene elastomer , 2005 .

[42]  L. D. Kandpal,et al.  Poly(ether ether ketone)/poly(aryl ether sulfone) blends: Melt rheological behavior , 2004 .

[43]  C. Macosko,et al.  Interfacial elasticity and coalescence suppression in compatibilized polymer blends , 2004 .

[44]  E. Galoppini,et al.  Functionalization of LDPE by Melt Grafting with Glycidyl Methacrylate and Reactive Blending with Polyamide‐6 , 2003 .

[45]  A. Ghosh,et al.  Ionomer compatibilised PA6/EVA blends: mechanical properties and morphological characterisation , 2003 .

[46]  A. Ghosh,et al.  Reactively compatibilised polymer blends: a case study on PA6/EVA blend system , 2001 .

[47]  Shyam Bahadur,et al.  Mechanical and tribological properties of polyamide 6 and high density polyethylene polyblends with and without compatibilizer , 2000 .

[48]  M. A. Gómez,et al.  Rheological properties, crystallization, and morphology of compatibilized blends of isotactic polypropylene and polyamide , 1997 .

[49]  Christopher W. Macosko,et al.  Drop Breakup and Coalescence in Polymer Blends: The Effects of Concentration and Compatibilization , 1995 .