Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1987-07-16
1989-03-14
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525237, 5253332, 525370, 525371, 525372, C08F 842
Patent
active
048125253
ABSTRACT:
A rubber composition is disclosed which contains, as a rubber component, 20-100% by weight of (A) polybutadiene polymerized by using a lithium initiator and 80 to 0% by weight of (B) another rubber component. The polybutadiene has the following physical properties (i)-(v):
REFERENCES:
patent: 4224197 (1980-09-01), Ueda et al.
patent: 4383085 (1983-05-01), Fujimaki et al.
Chikatsu Yoshishige
Fujimaki Tatsuo
Fukuhori Toshiaki
Hamada Tatsuro
Oshima Noboru
Bridgestone Corporation
Japan Synthetic Rubber Co. Ltd.
Lipman Bernard
Schofer Joseph L.
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