Method for manufacture of polymer having different stereospecifi

Details Method for manufacture of polymer having different stereospecifi Method for manufacture of polymer having different stereospecifi

1974-10-29

1976-08-17

Kight, III, John

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 63K, 260 63UY, 526 72, 526211, 526204, 526222, 526328, 526217, 526193, C08F 456, C08F 1636, C08F 2018, C08F 2044

Patent

active

039753280

ABSTRACT:
Disclosed is a method whereby a vinyl compound such as an .alpha., .beta.-carbonyl compound, acrylonitrile or methacrylonitrile is polymerized in a non-protonic organic medium in the presence of an alkali metal alcoholate as the polymerization catalyst. High polymers having different stereospecific structures contained at a desired ratio as well as low polymers having regulated stereochemical structures are manufactured from vinyl compounds such as above mentioned by selecting reaction conditions such as the kind of organic medium to be used and the amount of the catalyst in use based on that of the charged vinyl compound.

REFERENCES:
patent: 3006894 (1961-10-01), Evans et al.
patent: 3103503 (1963-09-01), Fox et al.
patent: 3285894 (1975-03-01), Lim et al.
patent: 3330785 (1967-07-01), Boyd
patent: 3761529 (1973-09-01), Drahoslav et al.

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