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    AQUEOUS LATEX OF VINYLIDENE CHLORIDE COPOLYMER
    6.
    发明申请
    AQUEOUS LATEX OF VINYLIDENE CHLORIDE COPOLYMER 有权

    公开(公告)号：US20230026244A1

    公开(公告)日：2023-01-26

    申请号：US17787921

    申请日：2020-12-17

    申请人： Solvay SA

    发明人： Isabelle Chaduc ,  Jérôme Vinas

    IPC分类号： C08F214/10 ,  C08F2/24 ,  C08F220/04

    摘要： Aqueous latex of vinylidene chloride copolymer An aqueous latex [latex (L)] of a vinylidene chloride copolymer [copolymer (A)], wherein the copolymer (A) consists essentially of recurring units derived from vinylidene chloride (VDC) in an amount comprised between 89.0 and 91.0 wt % of the copolymer, recurring units derived from methacrylonitrile (MAN) in an amount comprised between 2.00 and 5.50 wt % of the copolymer, recurring units derived from at least one ionic comonomer (ICO) in an amount comprised between 0.5 and 1.4 wt % of the copolymer (A), and recurring units derived from methylmethacrylate (MMA) in an amount such that the total of recurring units of VDC, MAN, ICO and MMA is 100 wt %, and wherein the latex (L) comprises at least one surfactant [surfactant (S)] in an amount comprised between 0.09 and 1.50 wt % of the copolymer (A). Process for the manufacture of the aqueous latex (L), film made therefrom and retort pouch prepared with such film.

    Modacrylic copolymer composition
    7.
    发明授权
    Modacrylic copolymer composition 失效
    改性丙烯酸共聚物组成

    公开(公告)号：US6048955A

    公开(公告)日：2000-04-11

    申请号：US243857

    申请日：1999-02-02

    申请人： Bruce E. Wade

    发明人： Bruce E. Wade

    IPC分类号： C08F4/40 ,  C08F214/10 ,  C08F220/44 ,  C08F220/46 ,  D01F6/40 ,  D03D15/12

    CPC分类号： C08F214/10 ,  C08F220/44 ,  C08F220/46

    摘要： The present invention relates to a modacrylic copolymer composition comprising acrylonitrile, vinylidene chloride, vinyl acetate, and at least one ionic comonomer. In one embodiment, the modacrylic copolymer composition comprises from about 45 to about 60% acrylonitrile, from about 35 to about 50% vinylidene chloride, from about 0.5 to about 5% vinyl acetate, and up to about 2% of a salt of p-sulfophenyl methallyl ether by weight of the total composition. The copolymer composition of the present invention provides acceptable color while having acceptable flame resistance.

    摘要翻译： 本发明涉及包含丙烯腈，偏二氯乙烯，乙酸乙烯酯和至少一种离子共聚单体的改性聚丙烯共聚物组合物。 在一个实施方案中，改性丙烯酸共聚物组合物包含约45至约60％的丙烯腈，约35至约50％的偏二氯乙烯，约0.5至约5％的乙酸乙烯酯，以及至多约2％的对 - 磺基苯基甲代烯丙基醚。 本发明的共聚物组合物提供可接受的颜色同时具有可接受的阻燃性。

    Acrylonitrile polymer, process for the preparation thereof and fiber prepared therefrom
    8.
    发明授权
    Acrylonitrile polymer, process for the preparation thereof and fiber prepared therefrom 失效
    丙烯腈聚合物，其制备方法和由其制备的纤维

    公开(公告)号：US4513126A

    公开(公告)日：1985-04-23

    申请号：US444327

    申请日：1982-11-24

    申请人： Kaoru Yamazaki ,  Fukashi Shibuya

    发明人： Kaoru Yamazaki ,  Fukashi Shibuya

    IPC分类号： D01F6/38 ,  C08F2/22 ,  C08F12/00 ,  C08F14/00 ,  C08F20/38 ,  C08F28/00 ,  C08F212/14 ,  C08F214/00 ,  C08F214/06 ,  C08F214/08 ,  C08F214/10 ,  C08F220/00 ,  C08F220/38 ,  C08F220/42 ,  C08F220/46 ,  C08F228/02 ,  D01F6/40 ,  D01F6/48 ,  C08F2/00

    CPC分类号： C08F220/46

    摘要： An acrylonitrile polymer comprising acrylonitrile, at least one of vinyl chloride and vinylidene chloride, a sulfo group-containing vinyl monomer having a higher reactivity ratio than acrylonitrile and a methallyl sulfonic acid monomer, which is prepared by conducting a polymerization in a manner such that at least half amount of the methallyl sulfonic acid monomer to be used is added to the polymerization system in a substantial period of adding the sulfo group-containing vinyl monomer having a higher reactivity ratio than acrylonitrile to the system. The acrylonitrile polymer is suitable for the preparation of a modacrylic synthetic fiber, and the modacrylic fiber prepared therefrom has excellent flame resistance, devitrification preventing property and dyeing affinity.

    摘要翻译： 包含丙烯腈的丙烯腈聚合物，氯乙烯和偏二氯乙烯中的至少一种，具有比丙烯腈更高的反应性比的含磺基的乙烯基单体和甲代烯丙基磺酸单体，其通过以如下方式进行聚合而制备： 在向系统中加入具有比丙烯腈更高的反应性比例的含磺基的乙烯基单体的相当长的时间内，将至少一半的所用的甲代烯丙基磺酸单体加入到聚合体系中。 丙烯腈聚合物适用于制备改性聚丙烯腈合成纤维，由其制备的改性聚丙烯腈纤维具有优异的阻燃性，防失透性和染色亲和力。

    Interpolymer of a nitrile, vinylidene chloride and acrylate monomers
    9.
    发明授权
    Interpolymer of a nitrile, vinylidene chloride and acrylate monomers 失效
    腈，偏二氯乙烯和丙烯酸酯单体的共聚物

    公开(公告)号：US4000359A

    公开(公告)日：1976-12-28

    申请号：US532971

    申请日：1974-12-16

    申请人： William A. Watts ,  Jin-Liang Wang

    发明人： William A. Watts ,  Jin-Liang Wang

    IPC分类号： C08F214/10 ,  C08F220/68

    CPC分类号： C08F214/10

    摘要： This polymer comprises (a) about 15 to 5 weight percent of units from at least one nitrile monomer of the formula ##STR1## where R is hydrogen or methyl; (b) about 75 to 90 weight percent of units from vinylidene chloride, and (c) about 10 to 5 weight percent of units from at least one acrylate monomer of the formula ##STR2## where R' is hydrogen or alkyl of 1 to 4 carbon atoms and R" is alkyl of 1 to 20 carbon atoms.

    摘要翻译： 该聚合物包含（a）约15至5重量％的来自至少一种式（IMAGE）的腈单体，其中R是氢或甲基; （b）偏二氯乙烯约75-90％（重量）的单元，和（c）约10至5％（重量）的至少一种式（I）的丙烯酸酯单体的单元，其中R'是氢或1-4的烷基 碳原子，R“为1〜20个碳原子的烷基。