The mechanical and rheological behavior of the PA/TPU blend with POE‐ g ‐MA modifier | Zendy

Chiu HsienTang | Zendy; Chuang ChaoYin | Zendy

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The mechanical and rheological behavior of the PA/TPU blend with POE‐ g ‐MA modifier

Author(s) -

Chiu HsienTang,

Chuang ChaoYin

Publication year - 2009

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.30944

Subject(s) - materials science , ultimate tensile strength , thermoplastic polyurethane , composite material , polyamide , rheology , izod impact strength test , maleic anhydride , elastomer , toughness , plastics extrusion , thermoplastic elastomer , polymer , copolymer

In this research, we attempt to improve the impact strength and the viscosity of PA (polyamide) by blending two elastomers, TPU (thermoplastic polyurethane) and POE‐ g ‐MA (maleic anhydride‐grafted polyethylene‐octene elastomer), in PA matrix with twin screw extruder. The ratio of blending is 80PA/20TPU and 80PA/20TPU/20POE‐ g ‐MA (66.66PA/16.67TPU/16.67POE‐ g ‐MA). Results indicate that POE‐ g ‐MA improves the low viscosity of PA and TPU during the blending process, and also their compatibility. Thus, the 80PA/20TPU/20POE‐ g ‐MA blend has better tensile stress and elongation than 80PA/20TPU blend, and furthermore POE‐ g ‐MA significantly improves the impact strength of PA, even to super‐toughness grade. © 2009 Wiley Periodicals, Inc. J Appl Polym Sci, 2010

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