Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1989-09-15
1990-07-31
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...
526268, 526 90, 526 91, 526 93, 526170, 526171, 526172, C08C 1902
Patent
active
049451359
ABSTRACT:
A process is provided for the polymerization of 7-oxanorbornene and its derivatives. The process involves the ring opening metathesis of 7-oxanorbornene and its derivatives, preferably using water as the solvent. Such materials may be homopolymerized or, alternatively, copolymerized with other cyclic olefins such as norbornene. The resulting polymers are also novel.
REFERENCES:
patent: 2564835 (1949-05-01), Dunlop et al.
patent: 3546183 (1970-12-01), Vergne et al.
patent: 4452950 (1984-06-01), Wideman
Grubbs Robert H.
Novak Bruce M.
California Institute of Technology
Collins David W.
Schofer Joseph L.
Walker Alex H.
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