Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1990-09-27
1991-05-28
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
526281, 526283, 524484, 524491, C08K 501
Patent
active
050196200
ABSTRACT:
An elastic crosslinked metathesis polymer composition is disclosed comprised of a copolymer of a norbornene-type compound which metathesis polymerizes to a linear polymer and a norbornene-type compound having a second double bond of similar reactivity which forms a crosslinked polymer, and a hydrocarbon-based extending oil. Norbornene and dicyclopentadiene are typical comonomers. Polymerization is carried out by a RIM or resin injection molding process.
REFERENCES:
patent: 4900799 (1990-02-01), Hara et al.
Endo Zen-ichiro
Hara Shigeyoshi
Alexander William S.
Hercules Incorporated
Lee Yong S.
Michl Paul R.
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