Catalyst system for synthesizing amine functionalized...

Details Catalyst system for synthesizing amine functionalized... Catalyst system for synthesizing amine functionalized...

2006-12-28

2010-11-02

Ryan, Patrick (Department: 1795)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S177000, C526S176000, C526S187000, C526S188000, C526S189000, C526S335000, C526S340000, C526S340200, C502S154000, C502S102000

Reexamination Certificate

active

07825203

ABSTRACT:
The present invention is directed to a catalyst system for synthesizing rubbery polymers, such as polybutadiene rubber, styrene-butadiene rubber, isoprene-butadiene rubber, or styrene-isoprene-butadiene rubber, that are amine functionalized and have a high trans or high vinyl microstructure. The catalyst system, in one embodiment, includes an organolithium amine compound, and one or more of (a) a group IIa metal salt of an amino glycol or a glycol ether, (b) an organoaluminum compound, or (c) an amine compound. The amine functionalized rubbery polymers can be utilized in tire tread rubbers where the rubbery polymers may provide desirable wear properties without substantially sacrificing other performance characteristic(s), e.g., traction properties.

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