Application of hindered piperidine amine and/or tertiary amine in the modification of polyamide 6 | Zendy

Guo Xitao | Zendy; Zhao Yaoming | Zendy; Ning Ping | Zendy; Ai Xiying | Zendy

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Application of hindered piperidine amine and/or tertiary amine in the modification of polyamide 6

Author(s) -

Guo Xitao,

Zhao Yaoming,

Ning Ping,

Ai Xiying

Publication year - 2004

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.21209

Subject(s) - polyamide , caprolactam , isophthalic acid , polymer chemistry , amine gas treating , piperidine , polymerization , tertiary amine , benzoic acid , chemistry , nylon 6 , hydrolysis , materials science , polymer , organic chemistry , polyester , terephthalic acid

PA 6 resin was produced in a hydrolytic‐polymeric process in which ε‐caprolactam was polymerized in the presence of water as initiator, isophthalic acid and benzoic acid as chain regulators, by polymerizing caprolactam in the presence of 7.5% by weight of water, 0.2% by weight of isophthalic acid, 0.1% by weight of benzoic acid, each percentage being based on caprolactam. By adding hindered piperidine amine and/or tertiary amine to the polymeric system, the effects of additives on the polymer were studied. The results showed that: the addition of 0.1 ∼ 0.2% additives can improve the melt stability of polyamide 6; the addition of 0.2% additives can protect mechanical properties of polyamide 6 fibers after exposure to high temperature; and the addition of 0.05 ∼ 0.25% additives can increase the amino end group content of polyamide 6 and thereby increase the dyeability of polyamide fibers. © 2004 Wiley Periodicals, Inc. J Appl Polym Sci 94: 2489–2493, 2004

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