Compatibilized and dynamically vulcanized thermoplastic elastomer blends of poly(butylene terephthalate) and ethylene propylene diene rubber
作者:
A. J. Moffett,
M. E. J. Dekkerrs,
期刊:
Polymer Engineering&Science
(WILEY Available online 1992)
卷期:
Volume 32,
issue 1
页码: 1-5
ISSN:0032-3888
年代: 1992
DOI:10.1002/pen.760320102
出版商: Society of Plastics Engineers
数据来源: WILEY
摘要:
AbstractCompatibilized and dynamically vulcanized thermoplastic elastomer blends of poly(butylene terephthalate) (PBT) and ethylene propylene diene terpolymer (EPDM) can be prepared by using an EPDM rubber that contains reactive epoxy groups. During melt mixing the epoxy groups react with PBT endgroups to form graft copolymer. The compatibilized blends can be dynamically vulcanized by conventional vulcanization agents for EPDM such as peroxides or by vulcanization agents that react with residual epoxy groups on the EPDM such as diamines. This paper describes the effects of compatibilization and dynamic vulcanization on microstructure and mechanical properties.
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