Preventing discoloration in hydrolyzed ethylene-vinyl acetate co

Details Preventing discoloration in hydrolyzed ethylene-vinyl acetate co Preventing discoloration in hydrolyzed ethylene-vinyl acetate co

1976-05-06

1977-01-18

Levin, Stanford M.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

526 8, 526 10, C08F 812

Patent

active

040038106

ABSTRACT:
A process for the hydrolysis of a solid interpolymer of an ethylenically unsaturated hydrocarbon and a vinyl ester of a 2-6 carbon atom aliphatic carboxylic acid to products having a low yellowness index involves contacting of the solid interpolymer with a substantially anhydrous hydrolyzing agent and subjecting at least one of said interpolymer and said hydrolyzing agent to radiation.

REFERENCES:
patent: 3344129 (1967-09-01), Bestian et al.
patent: 3386978 (1968-06-01), Salyer
patent: 3483171 (1969-12-01), Kuhlkamp et al.
patent: 3513142 (1970-05-01), Blumberg et al.
patent: 3523933 (1970-08-01), Inskp
patent: 3547858 (1970-12-01), Worrall
patent: 3780004 (1973-12-01), Hoyt et al.

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