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    • 4. 发明授权
    • Polyetherimide resin/polyester resin blends having improved properties
    • 具有改进性能的聚醚酰亚胺树脂/聚酯树脂共混物
    • US6150473A
    • 2000-11-21
    • US211304
    • 1998-12-14
    • Sterling Bruce BrownYimin JinJames F. KelleyJun LiaoMichael Teruki TakemoriRaymond Lee Utley
    • Sterling Bruce BrownYimin JinJames F. KelleyJun LiaoMichael Teruki TakemoriRaymond Lee Utley
    • C08K5/00C08K5/1515C08L63/00C08L67/02C08L79/08
    • C08L67/02C08K5/005C08K5/1515C08L79/08
    • The present invention is directed to a thermoplastic resin composition comprising one or more polyetherimide resins; one or more polyester resins; at least one epoxy compound having one or more epoxy functional groups per molecule in an amount effective to improve at least one of impact resistance, hydrolytic resistance, and tab-bending performance of a molded specimen of the composition; and optionally, at least one catalyst in an amount effective to improve at least one of impact resistance, hydrolytic resistance, and tab-bending performance of a molded specimen of the composition as compared to the same composition not containing the catalyst. It was unexpectedly found that the compositions exhibited enhanced heat, impact, hydrolytic resistance, and/or enhanced tab-bending performance over other compositions known in the art. In a preferred embodiment, the epoxy compound contains 3,4-epoxycyclohexylmethyl-3,4-epoxycyclohexanecarboxylate and the catalyst contains sodium stearate.
    • 本发明涉及一种包含一种或多种聚醚酰亚胺树脂的热塑性树脂组合物; 一种或多种聚酯树脂; 至少一种每分子具有一个或多个环氧官能团的环氧化合物,其量可以有效地改善组合物的模制样品的抗冲击性,抗水解性和弯曲弯曲性能中的至少一种; 和任选的至少一种催化剂,其量可以有效地改善与不含催化剂的相同组合物相比,该组合物的模塑试样的耐冲击性,耐水解性和弯曲弯曲性能中的至少一种。 意外地发现,与本领域已知的其它组合物相比,组合物显示出增强的热,冲击,抗水解性和/或增强的弯片弯曲性能。 在优选的实施方案中,环氧化合物含有3,4-环氧环己基甲基-3,4-环氧环己烷羧酸酯,催化剂含有硬脂酸钠。