Alkenyl aromatic compound-conjugated diene block copolymer and process
for the production thereof
    1.
    发明授权
    Alkenyl aromatic compound-conjugated diene block copolymer and process for the production thereof 失效
    烯基芳香族化合物 - 共轭二烯嵌段共聚物及其制造方法

    公开(公告)号:US4603155A

    公开(公告)日:1986-07-29

    申请号:US586442

    申请日:1984-03-05

    IPC分类号: C08F297/04 C08F293/00

    CPC分类号: C08F297/04

    摘要: An alkenyl aromatic compound-conjugated diene block copolymer having a combined alkenyl aromatic compound content of 25-95% by weight, characterized in that said copolymer is represented by the formula,A--B--Awherein A represents an alkenyl aromatic compound polymer block, the total amount of A's in both ends being 50-97% by weight of the total combined alkenyl aromatic compound content; B represents a conjugated diene-alkenyl aromatic compound copolymer block, said B portion having (a) 2-10 taper blocks where the amount of the alkenyl aromatic compound increases gradually and (b) a weight ratio of alkenyl aromatic compound/conjugated diene of 3-85/97-15; and the total amount of the chains that 1-4 alkenyl aromatic compound monomers are linked is 5-30% by weight of the total combined alkenyl aromatic compound content. Said copolymer is excellent in the balance of impact strength, tensile strength and elongation.

    摘要翻译: 烯基芳族化合物 - 共轭二烯嵌段共聚物,其具有25-95重量%的组合烯基芳族化合物含量,其特征在于所述共聚物由下式表示:ABA,其中A表示烯基芳族化合物聚合物嵌段, A两端的总链烯基芳族化合物含量为50-97重量% B表示共轭二烯 - 烯基芳族化合物共聚物嵌段,所述B部分具有(a)2-10个渐缩嵌段,其中链烯基芳族化合物的量逐渐增加,(b)链烯基芳族化合物/共轭二烯的重量比为3 -85 / 97-15; 1-4链烯基芳族化合物单体连接的链的总量为总链烯基芳族化合物含量的5-30重量%。 所述共聚物的冲击强度,拉伸强度和伸长率的平衡优异。

    Branched styrene-butadiene copolymers and pneumatic tires using the same
    4.
    发明授权
    Branched styrene-butadiene copolymers and pneumatic tires using the same 失效
    支链苯乙烯 - 丁二烯共聚物和使用其的充气轮胎

    公开(公告)号:US4526934A

    公开(公告)日:1985-07-02

    申请号:US473394

    申请日:1983-03-08

    IPC分类号: B60C1/00 C08C19/44 C08F8/42

    CPC分类号: C08C19/44 B60C1/0016

    摘要: A branched styrene-butadiene copolymer and a pneumatic tire using the same as a tread base rubber are disclosed. This copolymer is produced by coupling an active styrene-butadiene copolymer anion, which is obtained by polymerizing styrene and butadiene in a hydrocarbon solvent in the presence of ether or a tertiary amine and an initiator of an organolithium compound, with a tin halide compound. In the copolymer, the ratio of branched copolymer connected with tin-butadienyl bond is at least 20% by weight, and the content of bound styrene is not less than 3% by weight but less than 25% by weight, and the content of vinyl bond in butadiene portion is not less than 30% but less than 50%.

    摘要翻译: 公开了一种支化苯乙烯 - 丁二烯共聚物和使用该共聚物作为胎面基橡胶的充气轮胎。 该共聚物是通过在醚或叔胺和有机锂化合物的引发剂存在下在烃溶剂中将苯乙烯和丁二烯聚合得到的活性苯乙烯 - 丁二烯共聚物阴离子与卤化锡化合物而制备的。 在共聚物中,与锡 - 丁二烯基键相连的支链共聚物的比例为至少20重量%,结合苯乙烯的含量不小于3重量%但小于25重量%,乙烯基含量 丁二烯部分中的键不小于30%但小于50%。

    Butadiene-base polymer and a process for producing the same
    5.
    发明授权
    Butadiene-base polymer and a process for producing the same 失效
    丁二烯基聚合物及其制备方法

    公开(公告)号:US4540744A

    公开(公告)日:1985-09-10

    申请号:US701438

    申请日:1985-02-12

    摘要: A butadiene-base polymer containing a branched polymer through tin-carbon bond and a process for producing the same are disclosed. The butadiene-base polymer is produced by polymerizing 1,3-butadiene alone or 1,3-butadiene and aromatic vinyl compound in a hydrocarbon solvent in the presence of a Lewis base using an organolithium compound as an initiator and then coupling with a tin halide, and satisfies the following requirements:(1) a content of a bound aromatic vinyl compound in the butadiene-base polymer is 0-40% by weight;(2) a ratio of vinyl bond-containing butadiene unit in the toal butadiene unit of the butadiene-base polymer is 30-90%;(3) a ratio of the branched polymer in the butadiene-base polymer is at least 30% by weight; and(4) a ratio of a component having a molecular weight of less than 100,000 as polystyrene in the molecular weight distribution as measured by a gel permeation chromatography is 10-20% by weight.

    摘要翻译: 公开了含有通过锡 - 碳键的支化聚合物的丁二烯基聚合物及其制备方法。 丁二烯基聚合物通过使用有机锂化合物作为引发剂在路易斯碱存在下在烃溶剂中在单独的1,3-丁二烯和1,3-丁二烯和芳香族乙烯基化合物上聚合,然后与卤化锡 ,并且满足以下要求:(1)丁二烯基聚合物中结合的芳香族乙烯基化合物的含量为0〜40重量% (2)丁二烯类聚合物的丁二烯单元中的含乙烯基键的丁二烯单元的比例为30〜90%。 (3)丁二烯类聚合物中的支链聚合物的比例为30重量%以上。 和(4)通过凝胶渗透色谱法测定的分子量分布中聚苯乙烯的分子量小于100,000的成分的比例为10〜20重量%。

    Cycloolefin addition copolymer and optical transparent material
    6.
    发明申请
    Cycloolefin addition copolymer and optical transparent material 有权
    环烯烃加成共聚物和光学透明材料

    公开(公告)号:US20050171310A1

    公开(公告)日:2005-08-04

    申请号:US10515189

    申请日:2003-05-14

    IPC分类号: C08F8/04 C08F232/08 C08F4/80

    摘要: A cyclic olefin addition copolymer obtained by copolymerizing a cyclic olefin compound having a side chain substituent group with a ring structure, such as endo-tricyclo[4.3.0.12,5]deca-3,7-diene or endo-tricyclo-[4.3.0.12,5]deca-3-ene, with another cyclic olefin compound such as bicyclo[2.2.1]hept-2-ene, and further with a cyclic olefin compound having a hydrolysable silyl group as needed, or hydrogenating after copolymerization; a composition for crosslinking in which a specific crosslinking agent is incorporated; a crosslinked product obtained by crosslinking the composition; an optical material containing the copolymer, the composition or the crosslinked product; and a method for producing the copolymer in which addition polymerization is conducted using a specific nickel catalyst.

    摘要翻译: 通过使具有侧链取代基的环状烯烃化合物与环结构共聚获得的环状烯烃加成共聚物,例如三环[4.3.0.1 2,5]癸-3,7-二烯 或内三环[4.3.0.1 2,5]癸-3-烯与另一种环状烯烃化合物如双环[2.2.1]庚-2-烯,还有环状 需要时具有可水解甲硅烷基的烯烃化合物,或共聚后氢化; 其中掺入特定交联剂的交联用组合物; 通过交联组合物获得的交联产物; 含有共聚物,组合物或交联产物的光学材料; 以及使用特定的镍催化剂进行加成聚合的共聚物的制造方法。

    Butadiene-based rubber composition
    7.
    发明授权
    Butadiene-based rubber composition 失效
    丁二烯橡胶组合物

    公开(公告)号:US4824908A

    公开(公告)日:1989-04-25

    申请号:US29558

    申请日:1987-03-24

    摘要: A butadiene-based rubber composition is disclosed, which contains not less than 20% by weight of a butadiene-based homopolymer or copolymer having a glass transition temperature (Tg) of not less than -105.degree. C., but less than -70.degree. C. and a Mooney viscosity (ML.sub.1+4, 100.degree. C.) of 10 to 150. The butadiene-based homopolymer or copolymer is obtained by polymerizing butadiene or random-copolymerizing butadiene with at least one kind of a monomer selected from the group consisting of another conjugated diene and an aromatic vinyl compound, and then reacting polymerization-active terminals thereof with an isocyanate compound and/or an isothiocyanate compound. The butadiene-based rubber composition has excellent resilience, fracture strength, and wear resistance as a vulcanizate as well as excellent processability as an unvulcanized rubber, and can be used as tire applications such as tire treads, undertreads, sidewalls, bead portions, etc. as well as vibration insulating rubber, hoses, belts and other industrial articles.

    摘要翻译: 公开了一种丁二烯基橡胶组合物,其含有不少于20重量%的玻璃化转变温度(Tg)不低于-105℃但小于-70℃的丁二烯基均聚物或共聚物 丁二烯类均聚物或共聚物是通过将丁二烯或无规共聚丁二烯与至少一种选自以下的单体进行聚合而获得的:丁二烯类均聚物或共聚物 由另一种共轭二烯和芳族乙烯基化合物组成,然后使其聚合活性末端与异氰酸酯化合物和/或异硫氰酸酯化合物反应。 丁二烯类橡胶组合物作为硫化橡胶具有优异的回弹性,断裂强度和耐磨性以及作为未硫化橡胶的优异加工性,并且可以用作轮胎胎面,胎面,胎侧,胎圈部等轮胎用途。 以及隔振橡胶,软管,皮带等工业用品。

    Rubber composition for use in tire tread comprising a rubber component,
carbon black and process oil
    8.
    发明授权
    Rubber composition for use in tire tread comprising a rubber component, carbon black and process oil 失效
    用于轮胎胎面的橡胶组合物,其包含橡胶组分,炭黑和加工油

    公开(公告)号:US4791178A

    公开(公告)日:1988-12-13

    申请号:US117346

    申请日:1987-10-27

    摘要: A rubber composition for use in tire is disclosed which contains at least 30% by weight, relative to the entire rubber component, of a conjugated diene-monovinyl aromatic hydrocarbon copolymer which uses an organic lithium compound as an initiator. A percentage of vinyl bonds in conjugated diene units in the copolymer molecules is from 50 to 95% and the content of the monovinyl aromatic hydrocarbon units is from 10 to 50% by weight. As physical properties of the vulcanized rubber of the rubber composition, aromatic hydrocarbon copolymer, 200% tensile modulus is from 5 to 50 kgf/cm.sup.2 and a temperture integrated value of a loss tangent, ##EQU1## is from 16 to 56. The tread rubber composition is suitable for a tread of high performance tires, and is excellent in fracture strength, thermal resistance, wear resistance, and road gripping property.

    摘要翻译: 公开了一种用于轮胎的橡胶组合物,其相对于整个橡胶组分含有至少30重量%的使用有机锂化合物作为引发剂的共轭二烯 - 单乙烯基芳族烃共聚物。 共聚物分子中共轭二烯单元中的乙烯基键的百分比为50〜95%,单乙烯基芳烃单元的含量为10〜50重量%。 作为橡胶组合物的硫化橡胶的物理性质,芳族烃共聚物的200%拉伸弹性模量为5〜50kgf / cm 2,损耗角正切值的温度积分值为16〜56。胎面橡胶 组合物适用于高性能轮胎的胎面,并且断裂强度,耐热性,耐磨性和道路抓地性优异。

    Thermoplastic resin composition
    10.
    发明授权
    Thermoplastic resin composition 失效
    热塑性树脂组合物

    公开(公告)号:US4739011A

    公开(公告)日:1988-04-19

    申请号:US49337

    申请日:1987-05-13

    摘要: A thermoplastic resin composition obtainable by blending 100 parts by weight of a mixture consisting of(A) 75 to 40% by weight of a propylene polymer,(B) 20 to 40% by weight of an ethylene-alpha-olefin copolymer, and(C) 5 to 30% by weight of a graft copolymer obtained by copolymerizing an aromatic vinyl compound and a polar vinyl compound in the presence of an ethylene-alpha-olefin copolymerwith(D) 0.1 to 5 parts by weight of an unsaturated dicarboxylic acid, an anhydride thereof or a mixture of the two, and(E) 0.01 to 0.3 part by weight of an organic radical-generating agent,and then subjecting the resulting blend to thermal treatment. Said composition has not only a high bending modulus inherently possessed by polypropylene resins but also remarkably improved coating property. Accordingly, the composition is useful as interior and exterior trim parts of automobiles and exterior trim parts of motorcycles.

    摘要翻译: 将(A)75〜40重量%的丙烯聚合物,(B)20〜40重量%的乙烯-α-烯烃共聚物和(A) C)5-乙烯-α-烯烃共聚物与(D)0.1〜5重量份不饱和二羧酸的共聚而使芳族乙烯基化合物与极性乙烯基化合物共聚得到的接枝共聚物5〜30重量% ,其酸酐或两者的混合物,(E)0.01〜0.3重量份的有机自由基产生剂,然后对所得共混物进行热处理。 所述组合物不仅具有聚丙烯树脂固有的高弯曲模量,而且显着提高了涂层性能。 因此,该组合物可用作汽车的内部和外部装饰部件以及摩托车的外部装饰部件。