Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1982-07-30
1983-09-20
Nielsen, Earl A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
528 89, 528 99, 528112, 528361, 528408, 560 93, 560 96, 560112, 560200, 560209, C08G 5968
Patent
active
044057660
ABSTRACT:
Tetrahydrocarbyl phosphonium bicarbonate salts are employed as catalysts to promote the reaction between (a) vicinal epoxides and (b) carboxylic acids or anhydrides. These catalysts are particularly useful in the preparation of vinyl ester resins.
REFERENCES:
patent: 3193529 (1965-07-01), Oxenrider
patent: 3477990 (1969-11-01), Dante et al.
patent: 3547885 (1970-12-01), Dante et al.
patent: 3660354 (1972-05-01), Velzmann
patent: 3784583 (1974-01-01), Smith
patent: 3948855 (1976-04-01), Perry
Bertram James L.
Doorakian George A.
Duquette Lawrence G.
Glenn M. L.
Nielsen Earl A.
The Dow Chemical Company
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