Polyesters of trans-4,4-stilbenedicarboxylic acid, terephthalic acid or
2,6-naphthalenedicarboxylic acid, and 1,2-propanediol
    5.
    发明授权
    Polyesters of trans-4,4-stilbenedicarboxylic acid, terephthalic acid or 2,6-naphthalenedicarboxylic acid, and 1,2-propanediol 失效
    反-4,4-二苯二甲酸,对苯二甲酸或2,6-萘二甲酸的聚酯和1,2-丙二醇

    公开(公告)号:US4420607A

    公开(公告)日:1983-12-13

    申请号:US475567

    申请日:1983-03-15

    IPC分类号: C08G63/54 C08G63/18

    CPC分类号: C08G63/54

    摘要: This invention relates to polyesters of high molecular weight useful as films, fibers and molding plastics. It is particularly concerned with copolyesters comprising repeating units from trans-4,4'-stilbenedicarboxylic acid, optionally 0-40 mol % of terephthalic acid or 2,6-naphthalenedicarboxylic acid, and 1,2-propanediol, the polyesters having an inherent viscosity of about 0.3 or more and a flexural modulus of at least 900,000 psi.

    摘要翻译: 本发明涉及可用作膜,纤维和模制塑料的高分子量聚酯。 特别涉及包含来自反式-4,4'-二苯乙烯二羧酸,任选0-40摩尔%对苯二甲酸或2,6-萘二甲酸的重复单元和1,2-丙二醇的共聚酯,该聚酯具有特性粘度 为约0.3或更大,弯曲模量为至少90万psi。

    Copolyesters derived from 2,6-naphthalenedicarboxylic acid,
trans-4,4'-stilbenedicarboxylic acid and ethylene glycol
    6.
    发明授权
    Copolyesters derived from 2,6-naphthalenedicarboxylic acid, trans-4,4'-stilbenedicarboxylic acid and ethylene glycol 失效
    衍生自2,6-萘二甲酸,反式-4,4'-二苯乙烯二羧酸和乙二醇的共聚酯

    公开(公告)号:US4414382A

    公开(公告)日:1983-11-08

    申请号:US429896

    申请日:1982-09-30

    IPC分类号: C08G63/54 C08G63/18

    CPC分类号: C08G63/54

    摘要: Copolyesters of poly(ethylene 2,6-naphthalenedicarboxylate) modified with about 15 to 45 mol % trans-4,4'-stilbenedicarboxylic acid can be injection molded to give polymers with tensile strengths up to 32,000 psi and moduli up to 1,250,000 psi. As-spun or drawn fibers and films of poly(ethylene 2,6-naphthalenedicarboxylate) modified with as little as 10 mol % trans-4,4'-stilbenedicarboxylic acid have improved modulus compared with unmodified poly(ethylene 2,6-naphthalenedicarboxylate). The copolyesters have properties superior to those of poly(ethylene terephthalate).

    摘要翻译: 用约15至45mol%反式-4,4'-二苯乙烯二羧酸改性的聚(2,6-萘二甲酸乙二醇酯)的共聚酯可以注模成型,得到抗拉强度高达32,000psi,模量高达1,250,000psi的聚合物。 与未改性的聚(2,6-萘二甲酸乙二醇酯)相比,用少至10mol%反-4,4'-二苯乙烯二羧酸改性的聚(2,6-萘二甲酸乙二醇酯)的纺丝或拉伸纤维和膜具有改善的模量, 。 共聚酯具有优于聚对苯二甲酸乙二醇酯的性能。