Process and composition for polymerizing and curing methyl metha

Details Process and composition for polymerizing and curing methyl metha Process and composition for polymerizing and curing methyl metha

1978-05-25

1980-02-12

Wong, Jr., Harry

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 9, 260 37R, 260 4252, 428426, 428430, 428442, 428458, 428463, 428464, 428480, 428500, 428511, 428532, C08K 310

Patent

active

041883152

ABSTRACT:
In the use of certain meal salts of the hemi-perester of maleic acid as catalysts for the polymerization and curing of ethylenically unsaturated monomers and of methyl methacrylate-containing syrups the addition of an activator such as sodium bisulfite provides a substantial reduction in the curing time. The process is relatively insensitive to the amount of filler used. The salts of maleic hemi-peresters, in combination with the activators, are also useful for polymerizing ethylenically unsaturated monomers.

REFERENCES:
patent: Re27093 (1971-03-01), Slocum
patent: 3112320 (1963-11-01), Farkas
patent: 3234194 (1966-02-01), Slocum
patent: 3362942 (1968-01-01), Munn
patent: 3484419 (1969-12-01), Rinkler et al.
patent: 3534122 (1970-10-01), Cornell
patent: 3639370 (1972-02-01), Edl et al.
patent: 3775364 (1973-11-01), Duggins

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