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    • 1. 发明申请
    • COPOLYMER POLYAMIDE
    • 共聚聚酰胺
    • US20130261256A1
    • 2013-10-03
    • US13990937
    • 2012-01-06
    • Shinji IedaKazunori TeradaYu Nitto
    • Shinji IedaKazunori TeradaYu Nitto
    • C08G69/26C08G69/08
    • C08G69/26C08G69/08C08G69/265C08G69/36C08L77/06
    • An object of the present invention is to provide a copolymer polyamide which has excellent strength, high-temperature strength, low water absorbance, low blocking properties, releasability and plasticizing time stability, and a copolymer polyamide composition which has excellent vibration fatigue characteristics, surface appearance and continuous productivity. A copolymer polyamide of the present invention is obtained by polymerizing (a) at least one alicyclic dicarboxylic acid, (b) one diamine having 8 or more carbon atoms, and (c) at least one copolymer component selected from the group consisting of the following (c-1) to (c-3): a (c-1) dicarboxylic acid other than the alicyclic dicarboxylic acid; a (c-2) diamine having fewer carbon atoms than the (b) diamine; and a (c-3) lactam and/or aminocarboxylic acid, and the copolymer polyamide satisfies specific conditions.
    • 本发明的目的是提供一种具有优异的强度,高温强度,低吸水率,低粘连性,脱模性和塑化时间稳定性的共聚物聚酰胺,以及具有优异的振动疲劳特性,表面外观的共聚物聚酰胺组合物 并持续生产力。 通过聚合(a)至少一种脂环族二羧酸,(b)一种具有8个或更多个碳原子的二胺和(c)至少一种选自以下的共聚物组分,获得本发明的共聚物聚酰胺 (c-1)〜(c-3):除脂环族二羧酸以外的(c-1)二羧酸; 具有比(b)二胺更少碳原子的(c-2)二胺; 和(c-3)内酰胺和/或氨基羧酸,共聚物聚酰胺满足特定条件。