Hydrogenated copolymer rubber, rubber composition comprising said rubber
and rubber product obtained from the rubber
    1.
    发明授权
    Hydrogenated copolymer rubber, rubber composition comprising said rubber and rubber product obtained from the rubber 失效
    加氢共聚物橡胶,橡胶组合物,包括从橡胶中获得的橡胶和橡胶产品

    公开(公告)号:US5093426A

    公开(公告)日:1992-03-03

    申请号:US424085

    申请日:1989-10-19

    IPC分类号: C08C19/02 C08F8/04

    CPC分类号: C08C19/02 C08F8/04

    摘要: A hydrogenated copolymer rubber which is a hydrogenation product of a random copolymer rubber consisting of:(A) 30-70 mole % of a unit derived from at least one monomer selected from the group consisting of alkyl acrylates and alkoxy-substituted alkyl acrylates,(B) 20-70 mole % of a unit derived from at least one conjugated diene, and(C) 0-10 mole % of a unit derived from at least one other ethylenically unsaturated compound copolymerizable with the components (A) and (B) [(A)+(B)+(C)=100 mole %] wherein at least 90% of the double bonds of the conjugated diene unit is hydrogenated; a crosslinkable rubber composition comprising said hydrogenated copolymer rubber and a crosslinking agent; and a thermoplastic polymer comprising said hydrogenated copolymer rubber and a thermoplastic resin. These rubbers and compositions are superior in low-temperature resistance, heat resistance, ozone resistance, mechanical strengths, compression set, impact resilience and oil resistance.

    摘要翻译: 一种氢化共聚物橡胶,其是由以下组成的无规共聚物橡胶的氢化产物:(A)30-70摩尔%的源自至少一种选自丙烯酸烷基酯和烷氧基取代的丙烯酸烷基酯的单体的单元, B)20-70摩尔%的衍生自至少一种共轭二烯的单元,和(C)0-10摩尔%衍生自可与组分(A)和(B)共聚的至少一种其它烯属不饱和化合物的单元, [(A)+(B)+(C)= 100摩尔%]其中至少90%的共轭二烯单元的双键被氢化; 包含所述氢化共聚物橡胶和交联剂的可交联橡胶组合物; 和包含所述氢化共聚物橡胶和热塑性树脂的热塑性聚合物。 这些橡胶和组合物的耐低温性,耐热性,耐臭氧性,机械强度,压缩永久变形,抗冲击性和耐油性都优异。

    Process for the preparation of 1,2-polybutadiene
    5.
    发明授权
    Process for the preparation of 1,2-polybutadiene 失效
    1,2-聚丁二烯的制备方法

    公开(公告)号:US4255543A

    公开(公告)日:1981-03-10

    申请号:US066698

    申请日:1979-08-15

    CPC分类号: C08F136/06

    摘要: In the preparation of 1,2-polybutadiene with a vinyl content of at least 70% by contacting 1,3-butadiene with a catalyst consisting of:(A) a cobalt compound,(B) an organic phosphine compound,(C) a trialkylaluminum compound, and(D) water in an amount of 0.1 to 1.2 moles per mole of said trialkylaluminum,in the presence of a molecular weight regulator,(E) an alkylaluminum halide compound is used as the molecular weight regulator in an amount of at least 0.01 mole per mole of the trialkylaluminum compound (C), whereby 1,2-polybutadiene with a regulated molecular weight can be produced without causing decreased polymerization activity and change of vinyl content and crystallinity of the produced polymer. The alkylaluminum halide compound (E) is preferably used in an amount of 0.05 to 1.0 mole per mole of the trialkylaluminum compound (C).

    摘要翻译: 在乙烯基含量为至少70%的1,2-聚丁二烯的制备中,通过使1,3-丁二烯与由(A)钴化合物,(B)有机膦化合物组成的催化剂,(C) 三烷基铝化合物和(D)在每分子量调节剂存在下,每摩尔三烷基铝为0.1至1.2摩尔量的水,(E)烷基卤化铝化合物用作分子量调节剂,其用量为 每摩尔三烷基铝化合物(C)至少0.01摩尔,从而可以制备具有调节分子量的1,2-聚丁二烯,而不会降低聚合活性和所生产的聚合物的乙烯基含量和结晶度的变化。 烷基卤化铝化合物(E)的用量相对于每摩尔三烷基铝化合物(C)为0.05〜1.0摩尔。

    Acrylic rubber, acrylic rubber composition and cured rubber article
thereof
    7.
    发明授权
    Acrylic rubber, acrylic rubber composition and cured rubber article thereof 失效
    丙烯酸橡胶,丙烯酸橡胶组合物及其固化橡胶制品

    公开(公告)号:US4912186A

    公开(公告)日:1990-03-27

    申请号:US236218

    申请日:1988-08-25

    IPC分类号: C08F220/12 C08F220/28

    CPC分类号: C08F220/12 C08F220/28

    摘要: An acrylic rubber obtainable by copolymerizing a monomer mixture of:(A) 70 to 99.99% by weight of at least one compound selected from the group consisting of alkyl acrylates and alkoxyalkyl acrylates,(B) 0.01 to 10% by weight of at least one compound represented by the general formula: ##STR1## wherein R.sup.1 is a hydrogen atom or a methyl group; X is a hydrogen atom, --COOR.sup.6 (R.sup.6 is an alkyl group having 1-10 carbon atoms or an alkoxyalkyl group having 2-14 carbon atoms), or ##STR2## R.sup.2, R.sup.3 and R.sup.4 are independently hydrogen atoms or groups having 1-10 carbon atoms whose carbon atom adjacent to C.dbd.C has no hydrogen; R.sup.5 is a group having 1-10 carbon atoms whose carbon atom adjacent to C.dbd.C has no hydrogen; Y is ##STR3## or --O--; and n is 1 or 0, and (C) 0-20% by weight of at least one compound selected from the group consisting of other unsaturated compounds of the vinyl type, vinylidene type and vinylene type, in the presence of a radical polymerization initiator. Said acrylic rubber, when crosslinked with a crosslinking agent, gives a cured article having good heat resistance and a good compression set property and accordingly suitable for use as a hose or a sealing material.

    Multi-component copolymer rubber, a process for producing the same, and
a rubber composition containing the multi-component copolymer rubber
    8.
    发明授权
    Multi-component copolymer rubber, a process for producing the same, and a rubber composition containing the multi-component copolymer rubber 失效
    多组分共聚物橡胶,其制备方法和含有多组分共聚物橡胶的橡胶组合物

    公开(公告)号:US4625005A

    公开(公告)日:1986-11-25

    申请号:US716350

    申请日:1985-03-26

    摘要: A multi-component copolymer rubber consisting essentially of (A) 20 to 69.5% by weight of a cyano-substituted alkyl (meth)acrylate, (B) 30 to 79.5% by weight of an alkyl acrylate, (C) 0.5 to 10% by weight of a crosslinkable monomer and (D) 0 to 10% by weight of other ethylenically unsaturated monomer copolymerizable with (A), (B) and (C), excels in heat resistance, ozone resistance, sour gasoline resistance and sour gasohol resistance. These properties of said multi-component copolymer rubber can further be improved by incorporating into the copolymer rubber a crosslinking agent, a metal salt, a vinylidene fluoride polymer, a vinyl chloride resin or other multi-component copolymer rubber.

    摘要翻译: 基本上由(A)20-69.5重量%的氰基取代的(甲基)丙烯酸烷基酯组成的多组分共聚物橡胶,(B)30-79.5重量%的丙烯酸烷基酯,(C)0.5至10重量% 的(D)0〜10重量%的与(A),(B)和(C)可共聚的其它烯键式不饱和单体,其耐热性,耐臭氧性,耐酸汽油性和耐酸性汽油耐性均优异 。 通过在共聚物橡胶中加入交联剂,金属盐,偏二氟乙烯聚合物,氯乙烯树脂或其它多组分共聚物橡胶,可以进一步提高所述多组分共聚物橡胶的这些性能。

    Multi-component polymer rubber
    9.
    发明授权
    Multi-component polymer rubber 失效
    多组分聚合物橡胶

    公开(公告)号:US4387203A

    公开(公告)日:1983-06-07

    申请号:US334817

    申请日:1981-12-28

    CPC分类号: C08F220/42 C08F236/12

    摘要: A multi-component polymer rubber comprising (A) 15 to 60 mole % of an .alpha.,.beta.-unsaturated nitrile, (B) 10 to 75 mole % of a conjugated diene, and (C) 2 to 55 mole % of a fluoroalkyl acrylate or methacrylate or a fluorine-containing .alpha.-olefin, and having a glass transition temperature (T.sub.g) of -50.degree. C. to -20.degree. C., the percentages of the components (A), (B) and (C) being based on the total sum of moles of the components (A), (B) and (C). Said multi-component polymer rubber is excellent in sour gasoline resistance and alcohol-containing gasoline resistance.

    摘要翻译: 一种多组分聚合物橡胶,其包含(A)15至60摩尔%的α,β-不饱和腈,(B)10至75摩尔%的共轭二烯,和(C)2至55摩尔%的丙烯酸氟烷基酯 或甲基丙烯酸酯或含氟α-烯烃,玻璃化转变温度(Tg)为-50℃至-20℃,组分(A),(B)和(C)的百分数为 基于组分(A),(B)和(C)的总摩尔数。 所述多组分聚合物橡胶具有优异的耐酸汽油性和含醇汽油阻力。

    Heat-aging-resistant rubber composition
    10.
    发明授权
    Heat-aging-resistant rubber composition 失效
    耐热老化橡胶组合物

    公开(公告)号:US4386181A

    公开(公告)日:1983-05-31

    申请号:US320073

    申请日:1981-11-10

    摘要: A heat-aging-resistant rubbery polymer composition comprising a rubbery polymer, at least one compound selected from the group consisting of diphenylamine derivatives and phenol derivatives as an age resister for said rubbery polymer, and polyalkylene ether glycol having an average molecular weight of 100-5,000, and optionally a compound represented by the formula, ##STR1## in which R is alkyl having 10 to 20 carbon atoms. Preferably, said at least one compound selected from the group consisting of diphenylamine derivatives and phenol derivatives is chemically linked to said rubbery polymer as a part of the molecular chain. Said rubbery polymer composition is unexpectedly superior in heat-aging-resistance to a composition consisting only of said rubbery polymer and said age resister or a composition consisting only of said rubbery polymer and said polyalkylene ether glycol.

    摘要翻译: 一种耐热老化橡胶聚合物组合物,其包含橡胶状聚合物,至少一种选自二苯胺衍生物和苯酚衍生物的化合物作为所述橡胶状聚合物的抗老化剂,以及聚亚烷基醚二醇,其平均分子量为100〜 5,000,以及任选的由下式表示的化合物,其中R是具有10-20个碳原子的烷基。 优选地,所述至少一种选自二苯胺衍生物和苯酚衍生物的化合物作为分子链的一部分与所述橡胶状聚合物化学连接。 所述橡胶状聚合物组合物在耐热老化性方面与仅由所述橡胶状聚合物和所述耐老化剂组成的组合物或仅由所述橡胶状聚合物和所述聚亚烷基醚二醇组成的组合物出人意料地优异。