C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
252/42, 400/6564
C08F 4/00 (2006.01) C08F 4/40 (2006.01) C08F 265/06 (2006.01)
Patent
CA 1082164
ABSTRACT OF THE DISCLOSURE In the use of certain metal 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.
261599
E.i. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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