Process for the preparation of tapered copolymers via in situ dispersion
    1.
    发明授权
    Process for the preparation of tapered copolymers via in situ dispersion 失效
    通过原位分散制备锥形共聚物的方法

    公开(公告)号:US5614579A

    公开(公告)日:1997-03-25

    申请号:US352938

    申请日:1994-12-09

    IPC分类号: C08F297/04 C08K3/02

    CPC分类号: C08F297/04

    摘要: A process is provided for the preparation of tapered copolymers by the nonaqueous dispersion polymerization of a mixture of 30 to 70% by weight of a conjugated diolefin monomer, preferably butadiene, and 30 to 70% by weight of a vinyl substituted aromatic monomer, preferably styrene, in a liquid hydrocarbon dispersion medium with an anionic initiator catalyst system in the presence of a block copolymeric dispersing agent. At least one block of the dispersing agent is prepared prior to the dispersion polymerization reaction and at least one block of the dispersing agent is prepared in situ during the dispersion copolymerization. The block of the dispersing agent that is prepared in situ has the polymer structure of the tapered copolymer.

    摘要翻译: 提供了一种制备锥形共聚物的方法,该方法是通过非水分散聚合制备30至70重量%的共轭二烯烃单体,优选丁二烯和30至70重量%的乙烯基取代的芳族单体,优选苯乙烯 在具有阴离子引发剂催化剂体系的液体烃分散介质中,在嵌段共聚物分散剂存在下进行。 在分散聚合反应之前制备至少一个分散剂块,并且在分散共聚过程中原位制备至少一个分散剂块。 原位制备的分散剂块具有锥形共聚物的聚合物结构。

    In-situ anionic continuous dispersion polymerization process
    2.
    发明授权
    In-situ anionic continuous dispersion polymerization process 失效
    原位阴离子连续分散聚合方法

    公开(公告)号:US5891947A

    公开(公告)日:1999-04-06

    申请号:US137332

    申请日:1993-10-18

    CPC分类号: C08F297/04

    摘要: The present invention relates to a process for the dispersion copolymerization of 35 to 70% by weight of vinyl substituted aromatic monomer and 30 to 65% by weight of conjugated diene monomer comprising carrying out the copolymerization in a reaction mixture containing a liquid aliphatic hydrocarbon dispersing medium, an anionic catalyst system, and an "A" block of a copolymer dispersing agent, the dispersing agent having at least two polymer blocks wherein at least one of the polymer blocks is soluble in the dispersing medium and at least another of the polymer blocks is insoluble in the dispersing medium and is formed in situ.

    摘要翻译: 本发明涉及一种将35〜70重量%乙烯基取代芳香族单体和30〜65重量%的共轭二烯单体进行分散共聚的方法,包括在含有液体脂族烃分散介质的反应混合物中进行共聚 ,阴离子催化剂体系和共聚物分散剂的“A”嵌段,所述分散剂具有至少两个聚合物嵌段,其中至少一个聚合物嵌段可溶于分散介质,并且至少另一个聚合物嵌段是 不溶于分散介质并原位形成。

    Rubber composition containing functionalized polymer nanoparticles
    5.
    发明授权
    Rubber composition containing functionalized polymer nanoparticles 有权
    含有官能化聚合物纳米粒子的橡胶组合物

    公开(公告)号:US07897690B2

    公开(公告)日:2011-03-01

    申请号:US12504255

    申请日:2009-07-16

    IPC分类号: C08F279/00

    摘要: A polymer nanoparticle is provided. The nanoparticle includes an inner layer having alkenylbenzene monomer units. The nanoparticle further includes an outer layer having monomer units selected from conjugated dienes, alkylenes, alkenylbenzenes, and mixtures thereof. The nanoparticle has at least one functional group associated with the outer layer. Applications of use as additives for rubber, including the rubber compositions, are also provided.

    摘要翻译: 提供聚合物纳米颗粒。 纳米颗粒包括具有烯基苯单体单元的内层。 纳米颗粒还包括具有选自共轭二烯,亚烷基,链烯基苯及其混合物的单体单元的外层。 纳米颗粒具有与外层相关联的至少一个官能团。 还提供了用作橡胶添加剂的应用,包括橡胶组合物。

    Method for generating free radical capable polymers using tin or silicon halide compounds
    6.
    发明授权
    Method for generating free radical capable polymers using tin or silicon halide compounds 失效
    使用锡或卤化硅化合物生成可自由基聚合物的方法

    公开(公告)号:US07737218B2

    公开(公告)日:2010-06-15

    申请号:US11618059

    申请日:2006-12-29

    CPC分类号: C08F8/42

    摘要: Provided is a method comprising reacting the anionic living end of a polymer with a compound selected from the group consisting of tin halides and silicon halides to produced a polymer with a homolytically cleavable group containing a Sn—C bond or a Si—C bond. An engineered plastic may then be produced by adding the polymer containing a homolytically cleavable group containing a Sn—C bond or a Si—C bond to a solvent comprising at least one vinyl monomer; (b) optionally adding at least one additional inert solvent; (c) optionally adding additives selected from the group consisting of extender oils, modifiers, and antioxidants; and (d) initiating polymerization of the at least one vinyl monomer by the use of an initiator and/or heat, wherein a free radical is produced from the polymer containing a homolytically cleavable group containing a Sn—C bond or a Si—C bond.

    摘要翻译: 提供了一种方法,其包括使聚合物的阴离子活性端与选自卤化锡和卤化硅的化合物反应,以制备具有含Sn-C键或Si-C键的均聚裂解基团的聚合物。 然后可以通过将含有含有Sn-C键或Si-C键的均聚裂解基团的聚合物加入到包含至少一种乙烯基单体的溶剂中来制备工程塑料; (b)任选地加入至少一种另外的惰性溶剂; (c)任选地添加选自由增量油,改性剂和抗氧化剂组成的组的添加剂; 和(d)通过使用引发剂和/或加热引发至少一种乙烯基单体的聚合,其中由含有Sn-C键或Si-C键的均聚裂解基团的聚合物产生自由基 。

    Method for generating free radical capable polymers using carbonyl-containing compounds
    7.
    发明申请
    Method for generating free radical capable polymers using carbonyl-containing compounds 有权
    使用含羰基化合物生成具有自由基能力的聚合物的方法

    公开(公告)号:US20080161501A1

    公开(公告)日:2008-07-03

    申请号:US11618095

    申请日:2006-12-29

    申请人: James E. Hall

    发明人: James E. Hall

    IPC分类号: C08F8/00

    摘要: Provided is a method comprising reacting the anionic living end of a polymer that is end capped with a steric hindering compound with a carbonyl-containing compound to produce a polymer with a homolytically cleaveable group. An engineered plastic may then be produced by adding the polymer containing a homolytically cleavable group to a solvent comprising at least one vinyl monomer; (b) optionally adding at least one additional inert solvent; (c) optionally adding additives selected from the group consisting of extender oils, modifiers, and antioxidants; and (d) initiating polymerization of the at least one vinyl monomer by the use of an initiator and/or heat, wherein a free radical is produced from the polymer containing a homolytically cleavable group.

    摘要翻译: 提供了一种方法,其包括使封端的聚合物的阴离子活性末端与空间阻碍化合物与含羰基化合物反应以制备具有均聚裂解基团的聚合物。 然后可以通过将含有均聚裂解基团的聚合物加入到包含至少一种乙烯基单体的溶剂中来制备工程塑料; (b)任选地加入至少一种另外的惰性溶剂; (c)任选地添加选自由增量油,改性剂和抗氧化剂组成的组的添加剂; 和(d)通过使用引发剂和/或加热引发至少一种乙烯基单体的聚合,其中由含有均聚裂解基团的聚合物产生自由基。