Polymers containing sulphonyl and carboxylic ester groups
    4.
    发明授权
    Polymers containing sulphonyl and carboxylic ester groups 失效
    含有磺酰基和羧酸酯基团的聚合物

    公开(公告)号:US4535139A

    公开(公告)日:1985-08-13

    申请号:US491682

    申请日:1983-05-05

    CPC分类号: C08F228/02

    摘要: Polymers obtained by radical polymerization and containing(A) from 0.1 to 80 mole percent of polymerized units corresponding to the following formula ##STR1## in which R.sub.1 represents hydrogen or methyl,R.sub.2 represents alkyl, particularly primary or secondary alkyl containing from 1 to 4 carbon atoms, andR.sub.3 represents hydrogen or alkyl, particularly primary or secondary alkyl containing from 1 to 4 carbon atoms, and in which the sulphonic acid group may be present in the form of a salt, and(B) from 20 to 99.9 mole percent of polymerized units of one or more ethylenically unsaturated monomers, are particularly suitable for the production of filaments, fibres and films having a high absorption capacity for basic dyes.

    摘要翻译: 通过自由基聚合获得的聚合物,其含有(A)0.1至80摩尔%的对应于下式的成像单元(IMAGE),其中R 1表示氢或甲基,R 2表示烷基,特别是含有1至4个碳原子的伯或仲烷基 原子,R 3表示氢或烷基,特别是含有1至4个碳原子的伯或仲烷基,其中磺酸基团可以盐形式存在,(B)20-99.9摩尔% 一种或多种烯键式不饱和单体的聚合单元特别适用于生产碱性染料具有高吸收能力的长丝,纤维和薄膜。

    New triazolopyrimidines and their use as initiators
    5.
    发明授权
    New triazolopyrimidines and their use as initiators 失效
    新的三唑并嘧啶及其作为引发剂的用途

    公开(公告)号:US4871850A

    公开(公告)日:1989-10-03

    申请号:US141875

    申请日:1988-01-06

    摘要: Triazolopyrimidines of the formula I ##STR1## in which R.sup.1 denotes CN, alkylsulphonyl, arylsulphonyl or arylR.sup.2 denotes H, alkyl or alkythio,R.sup.3 denotes alkyl, aralkyl, substituted aralkyl, alkenyl or alkynyl,R.sup.4 denotes alkyl, aralkyl or aryl, andR.sup.5 denotes alkyl, aralkyl or aryl, orR.sup.4 and R.sup.5, together with the carbon atom, denote a carbocyclic 5-, 6- or 7-membered ring which may be substituted or bridged,in which R.sup.4 cannot be methyl or aryl when R.sup.1 represents CN, R.sup.2 represents H, R.sup.3 represents methyl and R.sup.5 represents methyl or aryl, and in which alkyl preferably has 1-9 C atoms and aryl preferably has 6-12 C atoms, and also a process for their preparation, and their use as initiators.

    摘要翻译: 式I的三唑并嘧啶其中R1表示CN,烷基磺酰基,芳基磺酰基或芳基R2表示H,烷基或链烯基,R3表示烷基,芳烷基,取代的芳烷基,烯基或炔基,R4表示烷基,芳烷基或芳基, R 5表示烷基,芳烷基或芳基,或者R 4和R 5与碳原子一起表示可以被取代或桥连的碳环5-,6-或7-元环,当R 1不为甲基或芳基时,R 1表示 CN,R 2表示H,R 3表示甲基,R 5表示甲基或芳基,并且其中烷基优选具有1-9个C原子,并且芳基优选具有6-12个C原子,并且其制备方法及其作为引发剂的用途 。

    Process for producing elastane fibers of high elasticity and strength
    6.
    发明授权
    Process for producing elastane fibers of high elasticity and strength 失效
    生产高弹性和强度的弹性纤维的方法

    公开(公告)号:US5061426A

    公开(公告)日:1991-10-29

    申请号:US585956

    申请日:1990-09-21

    摘要: A process for the production of highly elastic elastane fibers (spandex fibers) based on segmented polyurethane (urea) elastomers having high elasticity and, at the same time, high strength values, balanced elastic properties and excellent thermal and hydrothermal behavior, wherein relatively high molecular weight, carbonate-linked, block-like polyester of polyester etherdiols having molecular weight of 3,300 to 7,000 are reacted with macrodiols with diisocyanates in a molecular ratio of 1:2.5 to 1:4.5 to obtain NCO prepolymers which have NCO contents of 2.10 to 4.0% NCO, then the NCO prepolymer is chain-extended with (cyclo)-aliphatic diamines to fom polyurethane (urea) elastomers.

    摘要翻译: 一种基于具有高弹性并且同时具有高强度值,平衡弹性和优异的热和水热行为的分段聚氨酯(脲)弹性体生产高弹性弹性纤维(氨纶纤维)的方法,其中相对较高的分子量 分子量为3300〜7000的聚酯醚二醇的重量,碳酸酯连接的嵌段状聚酯与大分子二醇与分子比为1:2.5〜1:4.5的二异氰酸酯反应,得到NCO含量为2.10〜4.0的NCO预聚物 %NCO,则NCO预聚物与(环) - 脂族二胺链延伸至聚氨酯(脲)弹性体。

    Acrylonitrile polymerization with organic solvent
    7.
    发明授权
    Acrylonitrile polymerization with organic solvent 失效
    丙烯腈与有机溶剂聚合

    公开(公告)号:US4326051A

    公开(公告)日:1982-04-20

    申请号:US170376

    申请日:1980-07-21

    IPC分类号: C08F20/44 C08F2/06 C08F22/30

    CPC分类号: C08F20/44

    摘要: The invention relates to a homopolymer or copolymer of acrylonitrile which comprises from 0 to 30% by weight, incorporated by polymerization, of comonomer units which are free from ionic groups, said polymers having a K-value of from 50 to 100, a dye absorption capacity for cationic dyes of at least 0.5% by weight, a conductivity, measured in dimethylformamide solution, of at least 10.mu. Siemens, and from 0.2 to 1.5% by weight of sulphur fixed to said polymer as well as to a process for the production thereof.

    摘要翻译: 本发明涉及丙烯腈的均聚物或共聚物,其包含0-30重量%,通过聚合引入,不含离子基团的共聚单体单元,所述聚合物的K值为50至100,染料吸收 阳离子染料的能力为至少0.5重量%,在二甲基甲酰胺溶液中测量的至少10微米西门子的电导率和0.2至1.5重量%的固定在所述聚合物上的硫以及生产方法 其中。

    Acrylonitrile polymerization in fluorinated hydrocarbons
    8.
    发明授权
    Acrylonitrile polymerization in fluorinated hydrocarbons 失效
    氟化烃中的丙烯腈聚合

    公开(公告)号:US4255546A

    公开(公告)日:1981-03-10

    申请号:US077460

    申请日:1979-09-20

    CPC分类号: C08F20/44

    摘要: The invention relates to a process for the production of polyacrylonitrile or acrylonitrile copolymers, the polymerization being carried out at a temperature of from -40.degree. to +60.degree. C. optionally under pressure in an aliphatic chlorofluorine or fluorine substituted hydrocarbon containing up to 8 carbon atoms and having a boiling point of from -60.degree. to +50.degree. C. or in mixtures thereof having boiling ranges of from -60.degree. to +50.degree. C. and using a starter system comprising a hydroperoxide sulphur dioxide and an acid. The system may also contain aliphatic hydrocarbons in such quantities that a non-inflammable mixture is formed.

    摘要翻译: 本发明涉及一种生产聚丙烯腈或丙烯腈共聚物的方法,该聚合反应在-40℃至+ 60℃的温度下进行,任选在压力下进行,在含有最多8个碳原子的脂族氯氟氟或氟取代烃中 原子,沸点为-60℃至+ 50℃,或其沸点范围为-60至+50℃的混合物,并使用包含氢过氧化物二氧化硫和酸的起始系统。 该系统还可以含有以不可燃混合物形成的量的脂族烃。

    Process for the production of PUH elastomer threads and films resistant
to light and exhaust gases and elastomer threads having the required
composition
    9.
    发明授权
    Process for the production of PUH elastomer threads and films resistant to light and exhaust gases and elastomer threads having the required composition 失效
    生产PUH弹性体螺纹和薄膜的方法适用于具有所需组分的轻型和排气气体和弹性体螺纹

    公开(公告)号:US5086150A

    公开(公告)日:1992-02-04

    申请号:US585959

    申请日:1990-09-21

    摘要: This invention relates to a process for the production of light resistant and exhaust gas resistant PUH elastomer threads and films based on segmented polyurethane ureas which are based on diisocyanate mixtures of from 30 to 85 mol% of trans-1,4-cyclohexylene diisocyanate and from 70 to 15 mol% of other aliphatic or cycloaliphatic diisocyanates. The diisocyanates are first reacted with relatively high molecular weight dihydroxy compounds and optionally low molecular weight diols to form an isocyanate prepolymer which is then reacted with aliphatic diamines or diamine mixtures, preferably ethylene diamine, in highly polar solvents, optionally in the presence of salt type solubilizing agents such as lithium salts and preferably with the aid of aliphatic chain terminators, in particular those having a cycloaliphatic structure, to produce elastomer solutions which are stable under processing conditions. These solutions are spun in the conventional manner or dried to form films or coagulated to form sheet products.The invention also relates to the segmented polyurethane urea elastomers, in particular threads, obtainable by the new process.

    摘要翻译: 本发明涉及一种基于分段聚氨酯脲的生产耐光,耐废气PUH弹性体丝和薄膜的方法,该聚氨酯脲基于30至85摩尔%的反式-1,4-亚环己基二异氰酸酯和二异氰酸酯的二异氰酸酯混合物 70至15摩尔%的其它脂族或脂环族二异氰酸酯。 二异氰酸酯首先与相对高分子量的二羟基化合物和任选的低分子量二醇反应以形成异氰酸酯预聚物,然后将其与脂族二胺或二胺混合物,优选乙二胺在高极性溶剂中,任选在盐型存在下反应 增溶剂如锂盐,优选借助于脂族链终止剂,特别是具有脂环族结构的那些,以产生在加工条件下稳定的弹性体溶液。 这些溶液以常规方式纺丝或干燥以形成薄膜或凝固以形成片材产品。 本发明还涉及可通过新工艺获得的分段聚氨酯脲弹性体,特别是螺纹。