Mixing of organosulfur molecular weight modifier with emulsifier for
emulsion polymerization systems
    12.
    发明授权
    Mixing of organosulfur molecular weight modifier with emulsifier for emulsion polymerization systems 失效
    将有机硫分子量调节剂与用于乳液聚合体系的乳化剂混合

    公开(公告)号:US4125481A

    公开(公告)日:1978-11-14

    申请号:US825803

    申请日:1977-08-18

    IPC分类号: C08F2/24 B01J27/02

    CPC分类号: C08F2/24 C08F2/38

    摘要: Organosulfur molecular weight regulators for emulsion polymerization systems, such as mercaptan compounds, are mixed and agitated with the aqueous emulsifier prior to use in emulsion polymerization systems. The modifying efficiency of the organosulfur molecular weight modifiers can be controlled by the degree of agitation. In many cases, adding the agitated mixture incrementally to the emulsion polymerization system further improves effectiveness of the modifier.

    摘要翻译: 用于乳液聚合体系的有机硫分子量调节剂如硫醇化合物在用于乳液聚合体系之前与水性乳化剂混合并搅拌。 有机硫分子量调节剂的改性效果可以通过搅拌程度来控制。 在许多情况下,将搅拌的混合物逐渐加入到乳液聚合体系中进一步提高了改性剂的有效性。

    Preparation of functional polymers
    13.
    发明授权
    Preparation of functional polymers 失效
    官能聚合物的制备

    公开(公告)号:US3993853A

    公开(公告)日:1976-11-23

    申请号:US625743

    申请日:1975-10-24

    摘要: Lithium salts of monohydroxyalkyl-substituted conjugated alkadienes are employed as comonomers in the polymerization of conjugated dienes, or conjugated dienes with monovinyl aromatic compounds, to produce polymers containing hydroxy functionality. The hydroxy functionality permits efficient curing.

    摘要翻译: 单羟基烷基取代的共轭二烯烃的锂盐在共轭二烯或共轭二烯与单乙烯基芳族化合物的聚合中用作共聚单体,以制备含有羟基官能团的聚合物。 羟基官能团允许有效的固化。

    Preparation of organometal terminated polymers
    14.
    发明授权
    Preparation of organometal terminated polymers 失效
    有机金属封端聚合物的制备

    公开(公告)号:US3956232A

    公开(公告)日:1976-05-11

    申请号:US484692

    申请日:1974-07-01

    IPC分类号: C08C19/44 C08C19/26 C08F8/42

    CPC分类号: C08C19/44

    摘要: Alkali metal or alkaline earth metal terminated rubbery polymers are reacted with monofunctional hydrocarbyl organometal compounds in which the metal is selected from Groups 2b, 4a, and 5a and which contain either halogen, --OR, --SR, or --N(R).sub.2. The resulting rubbery polymers have improved physical properties in gum or filled stocks.

    摘要翻译: 碱金属或碱土金属端接的橡胶状聚合物与其中金属选自组2b,4a和5a并且含有卤素-OR,-SR或-N(R)2的单官能烃基有机金属化合物反应。 所得到的橡胶状聚合物在口香糖或填充料中具有改善的物理性能。

    Rubbery conjugated diene polymers terminated with hydrocarbyl phosphites
    15.
    发明授权
    Rubbery conjugated diene polymers terminated with hydrocarbyl phosphites 失效
    用亚磷酸亚烃酯封端的橡胶共轭二烯聚合物

    公开(公告)号:US4537932A

    公开(公告)日:1985-08-27

    申请号:US636052

    申请日:1984-07-30

    IPC分类号: B60C1/00 C08C19/44 C08F8/40

    CPC分类号: C08C19/44 B60C1/0016

    摘要: Solution polymerized rubbery conjugated diene homopolymers and copolymers with monovinylarenes are terminated with a hydrocarbyl phosphite or thiophosphite. The phosphite terminated polymers, particularly medium-vinyl polybutadiene, can be incorporated in rubber/carbon black/oil tread stock compounds employing up to 65 parts of rubber per 100 parts of polymer and up to 30 parts of oil per 100 parts of polymer for higher resilience, lower hysteresis, and generally higher tensile strength after vulcanization.

    摘要翻译: 溶液聚合的橡胶状共轭二烯均聚物和单乙烯基芳烃的共聚物用亚磷酸烃基或硫代亚磷酸酯封端。 亚磷酸酯封端的聚合物,特别是中乙烯基聚丁二烯,可以加入到每100份聚合物中使用高达65份橡胶的橡胶/炭黑/油性胎面胶料中,每100份聚合物最多使用30份油 弹性,较低的滞后性和硫化后的拉伸强度一般较高。

    Preparation of functional polymers
    18.
    发明授权
    Preparation of functional polymers 失效
    官能聚合物的制备

    公开(公告)号:US4046745A

    公开(公告)日:1977-09-06

    申请号:US690805

    申请日:1976-05-27

    摘要: Lithium salts of monohydroxyalkyl-substituted conjugated alkadienes are employed as comonomers in the polymerization of conjugated dienes, or conjugated dienes with monovinyl aromatic compounds, to produce polymers containing hydroxy functionality. The hydroxy functionality permits efficient curing.

    摘要翻译: 单羟基烷基取代的共轭二烯烃的锂盐在共轭二烯或共轭二烯与单乙烯基芳族化合物的聚合中用作共聚单体,以制备含有羟基官能团的聚合物。 羟基官能团允许有效的固化。