Process for the production of polyester
    3.
    发明授权
    Process for the production of polyester 失效
    聚酯生产工艺

    公开(公告)号:US4647650A

    公开(公告)日:1987-03-03

    申请号:US799680

    申请日:1985-11-19

    CPC分类号: C08G63/78

    摘要: A process for the production of polyester is disclosed, comprising feeding an ester compound made mainly of terephthalic acid and ethylene glycol or an oligomer thereof to a final polymerization reactor, and then polymerizing it in the form of fine molten particles in an inert gas stream, wherein the ester compound has an intrinsic viscosity [.eta.] of not more than 0.4 dl/g and a carboxyl terminal group concentration [COOH] of not more than 90.times.[.eta.].sup.-0.4 .mu.eq/g, and the fine particles have an average particle diameter of from 0.015 to 0.5 mm.

    摘要翻译: 公开了一种生产聚酯的方法,包括将主要由对苯二甲酸和乙二醇或其低聚物制成的酯化合物加入到最终聚合反应器中,然后以惰性气流中的细熔融颗粒的形式聚合, 其特征在于,所述酯化合物的特性粘度η为0.4dl / g以下,羧基末端基浓度[COOH]为90x4〜0.4μeq/ g以下,所述微粒的平均粒径为 粒径为0.015〜0.5mm。

    Thermoplastic resin composition
    5.
    发明授权
    Thermoplastic resin composition 失效
    热塑性树脂组合物

    公开(公告)号:US5284917A

    公开(公告)日:1994-02-08

    申请号:US720490

    申请日:1991-07-05

    摘要: Disclosed is a thermoplastic resin composition having excellent moldability and thermal resistance which comprises(A) a methacrylimide-containing polymer having at least 10% by weight of units represented by the general formula ##STR1## where R is a hydrogen atom or an aliphatic, aromatic or alicyclic hydrocarbon radical having 1 to 20 carbon atoms,(B) at least one thermoplastic polymer selected from the group consisting of a thermoplastic polyester (B-1) and a thermoplastic polyamide (B-2), and(C) at least one multifunctional compound selected from the group consisting of a multifunctional epoxy compound, a multifunctional oxazoline compound and a multifunctional isocyanate compound.

    摘要翻译: PCT No.PCT / JP90 / 01525 Sec。 371日期1991年7月5日 102(e)日期1991年7月5日PCT 1990年11月22日PCT PCT。 公开号WO91 / 08261 日期:1991年6月13日。公开是具有优异的成型性和耐热性的热塑性树脂组合物,其包含(A)含有至少10重量%由通式(* CHEMICAL STRUCTURE *)表示的单元的含甲基丙烯酰亚胺的聚合物,其中 R为氢原子或碳原子数1〜20的脂肪族,芳香族或脂环族烃基,(B)至少一种选自热塑性聚酯(B-1)和热塑性聚酰胺(B- 2)和(C)至少一种选自多官能环氧化合物,多官能恶唑啉化合物和多官能异氰酸酯化合物的多官能化合物。