Acrylonitrile polymer blended with a statistical copolymer of acrylic
acid alkyl ester and styrene
    1.
    发明授权
    Acrylonitrile polymer blended with a statistical copolymer of acrylic acid alkyl ester and styrene 失效
    丙烯腈聚合物与丙烯酸烷基酯和苯乙烯的统计共聚物共混

    公开(公告)号:US4151228A

    公开(公告)日:1979-04-24

    申请号:US773392

    申请日:1977-03-02

    CPC分类号: C08L33/18 C08L51/00

    摘要: A thermoplastic moulding composition with improved flow properties being workable without difficulty by extrusion, injection moulding or blow moulding and resulting in colorless, transparent products with a smooth, glossy surface, comprising a mixture of(A)90 to 99.9% by weight of a polymer with a K-value of from 50 to 80, as measured at a temperature of 25.degree. C. in dimethyl formamide on a 0.5% by weight solution, which contains at least 50% by weight of acrylonitrile or methacrylonitrile or a mixture thereof in polymerized or grafted form, and(B)0.1 to 10% by weight of a statistical copolymer of copolymerized units of65 to 85% by weight of at least one acrylic acid alkyl ester with 1 to 8 carbon atoms in the alcohol component, and15 to 35% by weight of styrene,The copolymer B having an intrinsic viscosity [.eta.] of from 2.9 to 13.0 dl/g, as measured at 25.degree. C. in tetrahydrofuran.

    摘要翻译: 具有改善的流动性能的热塑性模塑组合物通过挤出,注射成型或吹塑成型而无困难地工作,并产生具有光滑光泽表面的无色透明产品,其包含(A)90-99.9重量%的聚合物 其中K值为50至80,在25℃的温度下在二甲基甲酰胺中在0.5重量%的溶液中测量,其中含有至少50重量%的丙烯腈或甲基丙烯腈或其混合物在聚合 或接枝形式,和(B)0.1至10重量%的65至85重量%的共聚单元的统计共聚物,其中至少一个丙烯酸烷基酯与一至八个碳原子在醇醇组分中的重量比,和15至 35%的苯乙烯重量,共聚物B的特性粘度η为2.9至13.0dl / g,在25℃下在四氢呋喃中测得。

    New triazolopyrimidines and their use as initiators
    2.
    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 the production of graft polymers
    3.
    发明授权
    Process for the production of graft polymers 失效
    生产接枝聚合物的方法

    公开(公告)号:US4426499A

    公开(公告)日:1984-01-17

    申请号:US344486

    申请日:1982-02-01

    CPC分类号: C08F265/04 C08F279/02

    摘要: This invention relates to a process for the graft polymerization of (A) from 95 to 40 parts, by weight, of at least one ethylenically unsaturated monomer in the presence of (B) from 5 to 60 parts, by weight, of a partially or completely cross-linked rubber, in which the one or more than one monomer (A) and rubber (B) in the form of a latex or of a dispersion in an organic solvent are polymerized in an aliphatic hydrocarbon as reaction medium at from 30.degree. to 100.degree. C., using a radical forming initiator, and the graft polymerization product obtained as a sedimenting suspension of particles having an average diameter of from 5 to 1,000 .mu.m is isolated.

    摘要翻译: 本发明涉及一种在(B)5〜60重量份的(B)的部分或不饱和单体的存在下(A)95重量份至40重量份的至少一种烯属不饱和单体的接枝聚合方法 完全交联的橡胶,其中一种或多种胶乳形式的单体(A)和橡胶(B)或在有机溶剂中的分散体在脂肪族烃中作为反应介质在30℃下聚合 至100℃,使用自由基形成引发剂,分离得到作为平均直径为5〜1000μm的颗粒的沉降悬浮液得到的接枝聚合产物。

    Polymers containing sulphonyl and carboxylic ester groups
    5.
    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。

    Polymerization process
    7.
    发明授权
    Polymerization process 失效
    聚合过程

    公开(公告)号:US4501865A

    公开(公告)日:1985-02-26

    申请号:US505655

    申请日:1983-06-20

    IPC分类号: C08F2/00 C08F2/16

    CPC分类号: C08F2/16 C08F2/00

    摘要: It is possible to remove quantities of heat from exothermically running polymerization reactions of vinyl monomers in heterogeneous phase, in a sophisticated manner by adding liquids to the reaction medium for the removal of heat and to regulate the reaction temperature, which liquids do not dissolve the polymer under the reaction conditions and the boiling temperatures of which are lower than or are identical to the technically predetermined reaction temperatures under the polymerization conditions which are applied, and the heat which is released in the reaction system is removed by evaporating these liquids.

    摘要翻译: 可以通过向反应介质中加入液体以除去热量并调节反应温度(这些液体不溶解聚合物),以复杂的方式从异构相中的乙烯基单体的放热运行的聚合反应中除去热量 在反应条件下,其沸点温度低于或等于在所施加的聚合条件下的技术上预定的反应温度,并且通过蒸发这些液体除去反应体系中释放的热量。

    Process for the production of polymers containing acrylonitrile
    8.
    发明授权
    Process for the production of polymers containing acrylonitrile 失效
    生产含丙烯腈的聚合物的方法

    公开(公告)号:US4384091A

    公开(公告)日:1983-05-17

    申请号:US310575

    申请日:1981-10-09

    CPC分类号: C08F20/44

    摘要: Acrylonitrile polymers and copolymers with good affinity for basic dyes without sulfonic acid groups containing comonomers are obtained by polymerizing at a temperature of from 0.degree. to 60.degree. C. in an aliphatic hydrocarbon having a boiling point of from -10.degree. to 80.degree. C. or in a mixture of aliphatic hydrocarbons having boiling points in the range from -10.degree. to 80.degree. C. using an initiator system comprising from 0.1 to 8.0 mole percent of sulfur dioxide, from 0.1 to 2.0 mole percent of a hydroperoxide which is soluble in the reaction medium and from 0.01 to 1.0 mole percent of an acid which is soluble in the reaction system in that polymerization is carried out continuously and in that an average residence time of from 10 minutes to 2 hours is maintained.

    摘要翻译: 通过在0〜60℃的温度下在沸点为-10〜80℃的脂肪族烃中进行聚合,得到丙烯腈聚合物和对具有不含磺酸基团的共聚单体的碱性染料具有良好亲和性的共聚物。 或者在沸点为-10℃至80℃的脂族烃的混合物中,使用引发剂体系,其包含0.1至8.0摩尔%的二氧化硫,0.1至2.0摩尔%的可溶于 在该聚合反应中可以连续进行反应介质和0.01〜1.0摩尔%的可溶于反应体系的酸,维持10分钟〜2小时的平均停留时间。

    Process for producing elastane fibers of high elasticity and strength
    10.
    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。