Preparation of terephthaloyl-terephthal/oxal copolyhydrazide containing
zinc compound
    2.
    发明授权
    Preparation of terephthaloyl-terephthal/oxal copolyhydrazide containing zinc compound 失效
    含锌化合物的对苯二甲酰对苯二甲酸/草酰共酰亚胺的制备

    公开(公告)号:US4213890A

    公开(公告)日:1980-07-22

    申请号:US948494

    申请日:1978-10-04

    IPC分类号: C08G73/08 C08K3/10

    CPC分类号: C08G73/08

    摘要: Flame retardant films and fibers of zinc chelates of terephthaloyl-terephthalic/oxalic copolyhydrazides, the oxalic dihydrazide and terephthalic dihydrazide units having a molar ratio in the range of 19:6 to 6:19. The products aftertreated with an oxalic acid solution are colorless.

    摘要翻译: 阻燃膜和对苯二甲酰对苯二甲酸/草酸共聚酰肼的锌螯合物的纤维,草酸二酰肼和对苯二甲酸二酰肼单元的摩尔比在19:6至6:19的范围内。 用草酸溶液处理的产物是无色的。

    Process for the preparation of polyterephthaloyl-and polydiphenyl
ether-4,4-dicarboxylic acid oxalamidrazone
    4.
    发明授权
    Process for the preparation of polyterephthaloyl-and polydiphenyl ether-4,4-dicarboxylic acid oxalamidrazone 失效
    聚对苯二酰基和聚二苯醚-4,4-二羧酸草酰肼的制备方法

    公开(公告)号:US4208509A

    公开(公告)日:1980-06-17

    申请号:US871135

    申请日:1978-01-20

    CPC分类号: C08G69/28

    摘要: A process for the production of high molecular weight, fiber- and film-trimming polyterephthaloyl oxalamidrazone and polydiphenylether-4,4'-dicarboxylic acid oxalamidrazone where a solution of pure terephtaloyl chloride or diphenyl-ether-4,4'-dicarboxylic acid dichloride in an inert solvent free from amines and water is slowly added, at a temperature between 10.degree. C. and 35.degree. C., to a solution of pure oxalic acid bisamidrazone in dimethyl acetamide and/or N-methyl pyrrolidone, free from amines and water, containing 4 to 6 percent by weight of anhydrous lithium chloride, the total quantity of the solvents used amounting to 1.25 to 3.30 liters per mole of oxalic acid bisamidrazone.

    摘要翻译: 一种制备高分子量,纤维和膜修剪聚对苯二甲酰草酰腙和聚二苯醚-4,4'-二羧酸草酰肼的方法,其中将纯对苯二甲酰氯或二苯基醚-4,4'-二羧酸二氯化物的溶液 在10℃至35℃的温度下,将不含胺和水的惰性溶剂缓慢加入到纯草酸二氨基腙在二甲基乙酰胺和/或N-甲基吡咯烷酮中的溶液,其不含胺和水 ,含有4〜6重量%的无水氯化锂,所使用的溶剂的总量为每摩尔草酸二氨基腙1.25-3.30升。

    Hydrophilic polyester compounds
    5.
    发明授权
    Hydrophilic polyester compounds 失效
    亲水聚酯化合物

    公开(公告)号:US4708985A

    公开(公告)日:1987-11-24

    申请号:US360146

    申请日:1982-03-22

    CPC分类号: C08L67/02

    摘要: The invention relates to a hydrophilic moulding compound of homopolyester and/or copolyester which contains 1 to 20 percent by weight of an alkaline and/or alkaline-earth salt of salt-forming polymer and/or copolymers from ethylenic unsaturated monomers as finely dispersed filling material, having in particualr a maximum particle size of 1 um, the salt-forming polymers being composed in particular of the following single monomers or mixtures thereof: vinyl-sulfonic acid, acrylamidoalkylene-sulfonic acid, sulfonated styrene, acrylic acid, methacrylic acid, maleic acid, fumaric acid, itaconic acid, crotonic acid, vinyl-phosphonic acid, monoalkyl ester of maleic acid, monoalkyl ester of fumaric acid.The invention also relates to a process according to which the salts are preferably added to the polycondensation mixture of the polyester starting materials before and/or during poly-condensation as a suspension in polyhydric alcohol.The moulding compound is preferably used for making filament yarns, or staple fibers.

    摘要翻译: 本发明涉及均聚酯和/或共聚酯的亲水性模塑料,其含有1-20重量%的成盐聚合物的碱和/或碱土金属盐和/或由烯属不饱和单体作为精细分散的填充材料的共聚物 ,特别是最大粒度为1um,成盐聚合物特别由以下单体或其混合物组成:乙烯基磺酸,丙烯酰氨基亚烷基磺酸,磺化苯乙烯,丙烯酸,甲基丙烯酸,马来酸 酸,富马酸,衣康酸,巴豆酸,乙烯基膦酸,马来酸的单烷基酯,富马酸的单烷基酯。 本发明还涉及一种方法,根据该方法,所述盐优选在聚缩合之前和/或期间作为多元醇中的悬浮液加入到聚酯原料的缩聚混合物中。 成型化合物优选用于制造长丝纱线或短纤维。

    Dialysis membrane of modified cellulose with improved biocompatibility
    6.
    发明授权
    Dialysis membrane of modified cellulose with improved biocompatibility 失效
    具有改善生物相容性的改性纤维素透析膜

    公开(公告)号:US4668396A

    公开(公告)日:1987-05-26

    申请号:US765530

    申请日:1985-08-14

    CPC分类号: C08B11/00 B01D71/22

    摘要: A dialysis membrane used for hemodialysis having a structure comprised of flat films, blown films or tubular threads of substitution-modified cellulose, in which the effects of complement activation and leukopenia are clearly reduced. The average degree of substitution of the modified cellulose is 0.02 to 0.07. Dialysis membranes, which have proven successful within the scope of the invention, contain modified cellulose, having a structure represented by the formula cellulose-Z, wherein Z represents the group --R'--X--Y.X is at least one member selected from the group consisting of ##STR1## Y is at least one member selected from the group consisting of --R, --NR.sub.2, --Si(OR").sub.3, --SO.sub.3 H, --COOH, --PO.sub.3 H.sub.2, --N.sup.+ HR.sub.2, --OR" and the salts thereof.R' is at least one member selected from the group consisting of an alkylenes cycloalkylenes and arylenes having a total of 1 to 25 carbon atoms.R" is a hydrogen atom or R.R is at least one member selected from the group consisting of an alkyls with 1 to 5 carbon atoms, cycloalkyls and an aryls.

    摘要翻译: 用于血液透析的透析膜具有包含补体活化和白细胞减少的效果的取代改性纤维素的平膜,吹膜或管状线构成的结构。 改性纤维素的平均取代度为0.02〜0.07。 已经证明在本发明范围内成功的透析膜含有具有式Z-基团-R'-X-Y所示结构式纤维素-Z的改性纤维素。 X是从由以下组成的组中选择的至少一个成员:Y是至少一个选自-R,-NR2,-Si(OR“)3,-SO3H, -COOH,-PO 3 H 2,-N + HR 2,-OR“及其盐。 R'是选自具有总共1至25个碳原子的亚烷基环烷烃和亚芳基中的至少一种。 R“是氢原子或R.R是选自具有1至5个碳原子的烷基,环烷基和芳基中的至少一个。

    Melt-processable, thermotropic, fully aromatic polyesters
    7.
    发明授权
    Melt-processable, thermotropic, fully aromatic polyesters 失效
    可熔融加热的,热致的,完全芳香族的聚酯

    公开(公告)号:US4841014A

    公开(公告)日:1989-06-20

    申请号:US210428

    申请日:1988-06-23

    申请人: Walter Brodowski

    发明人: Walter Brodowski

    CPC分类号: C08G63/605 C08G63/682

    摘要: Thermotropic, fully aromatic polyesters, which consist essentially of(a) repeating units of the formula ##STR1## in proportions of 20 to 70 mole percent, (b) units of the formula ##STR2## in proportions of 10 to 40 mole percent, (c) one or both units of the formula ##STR3## wherein X=C.dbd.O or --O--, in proportions of 0 to 15 mole percent, (d) units of the formula(s) ##STR4## in proportions of 0 to 33 mole percent, and (e) units of the formula ##STR5## in proportions of 2 to 40 mole percent, have high Vicat B temperatures and can be thermoplastically processed at temperatures below 400.degree. C.

    摘要翻译: 基本上由以下组成的热致全脂芳族聚酯:(a)20至70摩尔%的比例的式(IMA)的重复单元,(b)10-40摩尔%的式(IMAGE)单元, c)一种或两种式(IMAGE)单元,其中X = C = O或-O-,其比例为0至15摩尔%,(d)式(s)单元,其比例为0至 33摩尔%,和(e)2至40摩尔%比例的式“IMAGE”单位具有较高的维卡B温度,并且可在低于400℃的温度下进行热塑性加工。