Vinyl ester resins having improved color
AssigneeShell Oil Company
InventorRoy J. Jackson
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Abstract
The present invention provides stable vinyl ester compositions exhibiting improved color stability comprising a vinyl ester resin prepared by esterifying an epoxy compound with an ethylenically unsaturated monocarboxylic acid and a stabilizer composition comprising hydroquinone and a sterically hindered phenol.
Claims10
A storage-stable, curable vinyl ester resin exhibiting improved color prepared by esterifying a glycidyl polyether of a polyhydricphenol with an ethylenically unsaturated monocarboxylic acid in the presence of a stabilizer composition comprising (1) from about 50 to about 250 ppm of hydroquinone, (2) from about 50 to about 500 ppm of a sterically hindered phenol and paratoluenesulfonic acid.
Dependencies are inferred from the claim text.