Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1989-09-15
1990-07-31
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526 90, 526 91, 526 93, 526170, 526171, 526172, 525338, C08F 2400
Patent
active
049451448
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: 3367924 (1968-02-01), Rinehart et al.
patent: 4028482 (1977-06-01), Ueshima et al.
Butler, G. B., Kresta, J. E., Edition: ACS Symposium Series 195, American Chemical Society, Washington D.C., 1982, Biologically Active Synthetic Anionic Polymers.
Grubbs Robert H.
Novak Bruce M.
California Institute of Technology
Collins David W.
Schofer Joseph L.
Walker Alex H.
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