Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1981-01-26
1982-07-20
Levin, Stanford M.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525315, 526 79, 526335, C08F 206, C08F 470
Patent
active
043406858
ABSTRACT:
A process for preparing polybutadiene having a 1,2-configuration content of 5-40% and a cis-1,4-configuration content of 60% or more, which comprises polymerizing 1,3-butadiene in the presence of a catalyst consisting of:
REFERENCES:
English Abstract of Japanese Pat. Publication 17, 667/74.
Nakako Kaoru
Obata Yutaka
Ohshima Noboru
Shibata Tooru
Takeuchi Yasumasa
Japan Synthetic Rubber Co. Ltd.
Levin Stanford M.
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