Butadiene-base polymer and a process for producing the same

Details Butadiene-base polymer and a process for producing the same Butadiene-base polymer and a process for producing the same

1985-02-12

1985-09-10

Michl, Paul R.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525314, 525901, 5263404, C08F 842

Patent

active

045407444

ABSTRACT:
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:

REFERENCES:
patent: 3985830 (1976-10-01), Fetters
patent: 4104326 (1978-08-01), Fodor
patent: 4386125 (1983-05-01), Shiraki
patent: 4396743 (1983-08-01), Fujimaki

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