Copolymers based on ethylenically unsaturated dicarboxylic anhydrides,
long-chain olefins and fluoroolefins
    2.
    发明授权
    Copolymers based on ethylenically unsaturated dicarboxylic anhydrides, long-chain olefins and fluoroolefins 失效
    基于烯键式不饱和二羧酸酐,长链烯烃和氟烯烃的共聚物

    公开(公告)号:US5534604A

    公开(公告)日:1996-07-09

    申请号:US436156

    申请日:1995-05-05

    CPC classification number: C14C9/00 C08F210/14 C08F255/00 C08F8/44 C08F2810/50

    Abstract: Copolymers based on ethylenically unsaturated dicarboxylic anhydrides, long-chain olefins and fluoroolefins Copolymers containing 10 to 60% by weight of bivalent structural units of the formula A ##STR1## wherein R.sup.1 and R.sup.2, independently of one another, are hydrogen or C.sub.1 -C.sub.6 -alkyl,a and b are zero or one and a+b is one,X and Y are identical or different and are the group --N--HR.sup.3,where R.sup.3 is C.sub.1 -C.sub.40 -alkyl, C.sub.3 -C.sub.40 -alkenyl, C.sub.5 -C.sub.20 -cycloalkyl or C.sub.6 -C.sub.18 -aryl, the group --N--(R.sup.3).sub.2,where R.sup.3 are identical or different and have the abovementioned meaning, and/or the group --O--R.sup.4,where R.sup.4 is hydrogen, an alkali metal cation, one equivalent of an alkaline earth metal ion, a cation of the formula H.sub.2 N.sup..sym. (R.sup.3).sub.2 or H.sub.3 N.sup..sym. R.sup.3, C.sub.1 -C.sub.40 -alkyl, C.sub.5 -C.sub.20 -cycloalkyl or C.sub.6 -C.sub.18 -aryl, 30 to 89% by weight of bivalent structural units of the formula B ##STR2## wherein R.sup.5 is hydrogen or C.sub.1 -C.sub.4 -alkyl andR.sub.6 is C.sub.6 -C.sub.40 -alkyl or C.sub.6 -C.sub.18 -aryl, and1 to 20% by weight of bivalent structural units of the formula C ##STR3## wherein n is a number from 6 to 24.The invention also relates to a process for the preparation of these copolymers and to the utilization thereof.

    Abstract translation: 基于烯键式不饱和二羧酸酐,长链烯烃和氟烯烃的共聚物含有10至60重量%的式A的二价结构单元的共聚物(A)其中R 1和R 2彼此独立地为氢或C 1 -C 1-6 - 烷基,a和b为零或一个,a + b为1,X和Y相同或不同,为-N-HR 3基团,其中R 3为C 1 -C 40 - 烷基,C 3 -C 40 - 烯基, C 5 -C 20 - 环烷基或C 6 -C 18 - 芳基,基团-N-(R 3)2,其中R 3相同或不同并具有上述含义,和/或基团-O-R 4,其中R 4是氢, 碱金属阳离子,1当量碱土金属离子,式H2N(+)(R3)2或H3N(+)R3,C1-C40 - 烷基,C5-C20-环烷基或C6-C18-芳基的阳离子 ,30至89重量%的式B的二价结构单元(B)其中R 5是氢或C 1 -C 4烷基,R 6是C 6 -C 40 - 烷基或C 6 -C 18 - 芳基,和1至20 重量%的式C

    Low molecular weight copolymers of vinyl halide/vinyl acetate produced
by aqueous polymerization with mercaptan
    3.
    发明授权
    Low molecular weight copolymers of vinyl halide/vinyl acetate produced by aqueous polymerization with mercaptan 失效
    通过与硫醇的水性聚合制备的乙烯基卤化物/乙酸乙烯酯的低分子量共聚物

    公开(公告)号:US4931518A

    公开(公告)日:1990-06-05

    申请号:US854204

    申请日:1986-04-21

    Applicant: Zaev Sharaby

    Inventor: Zaev Sharaby

    CPC classification number: C08F214/06 C08F14/06 C08F214/00

    Abstract: Copolymers of vinyl or vinylidene halides and vinyl esters of C.sub.2 and C.sub.3 acids are provided having low molecular weights, good particle characteristics, and improved melt flow are made by aqueous polymerization utilizing an effective amount of a mercaptan as a chain transfer agent, wherein the chain transfer agent is admixed with the vinyl esters to form a chain transfer composition, and may be added before the start of the polymerization.

    Abstract translation: 提供乙烯基或亚乙烯基卤化物和C2和C3酸的乙烯基酯的共聚物具有低分子量,良好的颗粒特性,并且通过使用有效量的硫醇作为链转移剂的水性聚合制备改进的熔体流动,其中链 转移剂与乙烯基酯混合以形成链转移组合物,并且可以在聚合开始之前加入。

    Stable emulsions of water resistant polyvinyl alcohol-stabilized vinyl
chloride-ethylene copolymers
    5.
    发明授权
    Stable emulsions of water resistant polyvinyl alcohol-stabilized vinyl chloride-ethylene copolymers 失效
    耐水聚乙烯醇稳定的氯乙烯 - 乙烯共聚物的稳定乳液

    公开(公告)号:US4673702A

    公开(公告)日:1987-06-16

    申请号:US747133

    申请日:1985-06-20

    CPC classification number: C08L27/06 C08F14/06 C08F214/06

    Abstract: A method for preparing a stable vinyl chloride based resin emulsion which comprises a copolymer colloidally dispersed in an aqueous medium, the copolymer having a Tg from 0.degree. to 50.degree. C., about 65 to 90 wt% vinyl chloride, about 5 to 35 wt% ethylene, 0 to 10 wt% olefinically unsaturated copolymerizable monomer and prepared by emulsion polymerization of vinyl chloride, ethylene and, optionally, an olefinically unsaturated comonomer in the presence of about 3 to 15 wt% polyvinyl alcohol as the dispersing agent, the polymerization method comprising(a) forming an aqueous emulsion reaction mixture containing substantially all the polyvinyl alcohol and a portion, preferably at least 5%, of the total vinyl chloride monomer,(b) pressurizing the reaction mixture with an ethylene pressure sufficient to provide the copolymer with a 5 to 35 wt% ethylene content,(c) initiating the reaction mixture by the addition of a free radical generating source and continuing polymerization until the rate of polymerization begins to decrease to provide a prepolymer emulsion, and(d) adding the remaining vinyl chloride at a substantially uniform rate and continuing polymerization until the polymerization reaction is no longer self-sustaining, ethylene being neither withdrawn nor added during the polymerization in one embodiment.

    Abstract translation: 一种制备稳定的氯乙烯基树脂乳液的方法,其包括胶体分散在水性介质中的共聚物,该共聚物具有0至50℃的Tg,约65至90重量%的氯乙烯,约5至35重量% %乙烯,0〜10重量%的烯属不饱和可共聚单体,通过在约3〜15重量%的聚乙烯醇作为分散剂的存在下,通过氯乙烯,乙烯和任选的烯属不饱和共聚单体的乳液聚合制备聚合方法 包括(a)形成含有基本上所有的聚乙烯醇和一部分,优选至少5%的总氯乙烯单体的水乳液反应混合物,(b)用足以提供共聚物的乙烯压力加压反应混合物, 乙烯含量为5至35重量%,(c)通过加入自由基产生源引发反应混合物并持续聚合直到速率 的聚合反应开始降低以提供预聚物乳液,和(d)以基本均匀的速率加入剩余的氯乙烯并继续聚合,直至聚合反应不再自我维持,乙烯在聚合反应过程中既不排出也不加入 实施例。

    Process for the polymerization of polymers of vinyl chloride
    6.
    发明授权
    Process for the polymerization of polymers of vinyl chloride 失效
    氯乙烯聚合物聚合方法

    公开(公告)号:US4659794A

    公开(公告)日:1987-04-21

    申请号:US698274

    申请日:1985-02-05

    Inventor: Gilbert Sielfeld

    CPC classification number: C08F14/06

    Abstract: A process for the production of polymers of vinyl chloride by suspension polymerization, uses as the suspension stabilizer either(A) a methylhydroxypropylcellulose with a methoxy substitution degree of 20-32%, a hydroxypropoxy substitution degree of 2-10%, and a viscosity of 30-70 mPa.s; and/or(B) a suspension agent combination consisting essentially of:(a) methylcellulose with a methoxy substitution degree of 22-34% and a viscosity of 7-20 mPa.s, and(b) methylcellulose with a methoxy substitution degree of 22-34% and a viscosity of 50 mPa.s-4,000 mPa.s and/or methylhydroxypropylcellulose with a methoxy substitution degree of 20-32%, a hydroxypropoxy substitution degree of 2-10%, and a viscosity of 100-3,000 mPa.s, and polymerizes in the presence of 0.4-8% by weight of an ethylene-vinyl acetate copolymer. The resultant polymers are suitable for lowering viscosity of polyvinyl chloride plastisols.

    Abstract translation: 通过悬浮聚合制备氯乙烯聚合物的方法,使用(A)甲氧基取代度为20-32%,羟丙氧基取代度为2-10%的甲基羟丙基纤维素作为悬浮稳定剂,和 30-70 mPa.s; 和/或(B)悬浮剂组合,其基本上由以下组成:(a)甲氧基取代度为22-34%,粘度为7-20mPa.s的甲基纤维素,和(b)甲氧基取代度为 22-34%,甲氧基取代度为20-32%,羟丙氧基取代度为2-10%,粘度为100-3,000mPa·s的粘度为50mPa.s-4000mPa.s和/或甲基羟丙基纤维素 并在0.4-8重量%的乙烯 - 乙酸乙烯酯共聚物存在下聚合。 所得聚合物适合降低聚氯乙烯增塑溶胶的粘度。

    Aqueous dispersions of vinylidene chloride resins
    7.
    发明授权
    Aqueous dispersions of vinylidene chloride resins 失效
    偏二氯乙烯树脂的水分散体

    公开(公告)号:US4535120A

    公开(公告)日:1985-08-13

    申请号:US301806

    申请日:1981-09-14

    CPC classification number: C09D127/08 C08F214/08

    Abstract: An aqueous dispersion of vinylidene chloride resin which, when coated onto a synthetic resinous film substrate, has the combined properties of: (1) good adhesion to the substrate; (2) good adhesion of a printing ink to the coating; (3) satisfactory barrier to gases (especially oxygen) and water vapor; and (4) a high resistance to boiling water treatment. The vinylidene chloride resin must also have polymerized therein methyl methacrylate, methacrylonitrile and methacrylic acid. A total amount of methacrylic acid must be between 1.times.10.sup.-4 and 3.times.10.sup.-4 moles of methacrylic acid per gram of polymer solids. A portion of the total amount of methacrylic acid exists in a form titratable with a 1/20 Normal aqueous solution of sodium hydroxide. The portion must be the less of (a) about 1.3.times.10.sup.-4 moles per gram of polymer solids or (b) about 60 percent of the total amount.

    Abstract translation: 偏二氯乙烯树脂的水分散体当涂覆在合成树脂膜基材上时具有以下组合性质:(1)与基材的良好粘合性; (2)印刷油墨对涂层的良好粘附性; (3)气体(特别是氧气)和水蒸气的良好屏障; 和(4)高耐沸水处理。 偏二氯乙烯树脂也必须在其中聚合甲基丙烯酸甲酯,甲基丙烯腈和甲基丙烯酸。 甲基丙烯酸的总量必须在每克聚合物固体中在1×10 -4和3×10 -4摩尔甲基丙烯酸之间。 甲基丙烯酸总量的一部分以1/20正常氢氧化钠水溶液滴定的形式存在。 该部分必须少于(a)约1.3×10-4摩尔/克聚合物固体或(b)约60%的总量。

    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

    CPC classification number: C08F220/46

    Abstract: 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.

    Abstract translation: 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。

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