Aromatic ether imides
    41.
    发明授权
    Aromatic ether imides 失效
    芳香醚酰亚胺

    公开(公告)号:US5149761A

    公开(公告)日:1992-09-22

    申请号:US608078

    申请日:1990-11-01

    IPC分类号: C07D209/48

    CPC分类号: C07D209/48

    摘要: The new aromatic ether imides corresponding to the following formula ##STR1## may be used for the production of plastics which in turn may be worked up into moulded articles, films, sheet products and filaments. The plastics produced from the new aromatic ether imides are distinguished by their exceptional dimensional stability under heat.

    摘要翻译: 对应于下式的新型芳香醚酰亚胺可以用于生产塑料,其又可以被加工成模制品,薄膜,片状产品和长丝。 由新芳香醚酰亚胺生产的塑料的特征在于其在加热下的特殊尺寸稳定性。

    Aromatic polyether sulphones based on dihydroxy-diphenyl-cyclo-alkanes
and films therefrom
    44.
    发明授权
    Aromatic polyether sulphones based on dihydroxy-diphenyl-cyclo-alkanes and films therefrom 失效
    基于二羟基 - 二苯基 - 环烷基的芳族聚醚砜及其膜

    公开(公告)号:US5086157A

    公开(公告)日:1992-02-04

    申请号:US413505

    申请日:1989-09-27

    CPC分类号: C08G75/23 B01D71/68 C08L71/00

    摘要: Polyether sulphones based on diphenols corresponding to the following general formula (I): ##STR1## wherein R.sup.1 and R.sup.2, independently represent hydrogen, halogen, C.sub.1 -C.sub.8 alkyl, C.sub.5 or C.sub.6 cycloalkyl, C.sub.6 -C.sub.10 aryl, or C.sub.7 -C.sub.12 aralkyl; m represents an integer of from 4 to 7;R.sup.3 and R.sup.4, may be selected individually for each X and independently represent hydrogen or C.sub.1 -C.sub.6 alkyl, andX represents carbon;with the proviso that, on at least one atom X, R.sup.3 and R.sup.4 both represent alkyl,the production thereof, films made from these polyether sulfones, composite films with other plastic materials and application of the films in gas permeation.

    摘要翻译: 基于对应于以下通式(I)的二酚的聚醚砜:其中R1和R2独立地表示氢,卤素,C1-C8烷基,C5或C6环烷基,C6-C10芳基或C7- C12芳烷基; m表示4〜7的整数, R 3和R 4可以各自独立地选自各自独立地代表氢或C 1 -C 6烷基,X代表碳; 条件是在至少一个原子X,R 3和R 4都表示烷基,其制备,由这些聚醚砜制成的膜,与其它塑料材料的复合膜以及膜在气体渗透中的应用。

    Polyether-copolycarbonates for dialysis membranes
    50.
    发明授权
    Polyether-copolycarbonates for dialysis membranes 失效
    用于透析膜的聚醚 - 共聚碳酸酯

    公开(公告)号:US4735721A

    公开(公告)日:1988-04-05

    申请号:US840179

    申请日:1986-03-17

    摘要: The present invention is directed to a process for the preparation of a segmented, aliphatic-aromatic polyether-copolycarbonate containing structural units conforming to ##STR1## wherein --D-- is a diphenolate radical and units conforming to ##STR2## wherein --O--Polyether--O-- is an aliphatic polyether-diolate radical, by the phase boundary process in which aliphatic polyether diol and a mixture of dihydroxy compounds are reacted with a carbonic acid halide which is employed in molar excess in relation to the dihydroxy compounds and in which the aqueous phase is kept at a pH value of at least 13 and where the polycondensation reaction is carried out in a reactor by addition of an amine catalyst.The invention is further directed to the polyether polycarbonate which is obtained by the process and to the preparation of membranes from said polyether copolycarbonate.

    摘要翻译: 本发明涉及一种制备分段的脂族 - 芳族聚醚 - 共聚碳酸酯的方法,其包含符合的结构单元,其中-D-是二酚盐基团和符合的单元,其中-O-聚醚 - O-是脂族聚醚 - 二醇酯基,通过相位过程,其中脂族聚醚二醇和二羟基化合物的混合物与相对于二羟基化合物摩尔过量使用的碳酸卤化物反应,其中水性 相位保持在至少13的pH值,并且其中缩聚反应在反应器中通过加入胺催化剂进行。 本发明还涉及通过该方法获得的聚醚聚碳酸酯和从所述聚醚共聚碳酸酯制备膜。