VINYL ESTER RESIN COMPOSITION
PURPOSE:To obtain a vinyl ester resin compsn. having excellent storage stability and impact resistance, by blending a vinyl ester resin, a thermoplastic polymer, an inorg. filler and a small quantity of an ethylenically unsaturated monomer. CONSTITUTION:A vinyl ester resin (A)[a reaction product bet...
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Zusammenfassung: | PURPOSE:To obtain a vinyl ester resin compsn. having excellent storage stability and impact resistance, by blending a vinyl ester resin, a thermoplastic polymer, an inorg. filler and a small quantity of an ethylenically unsaturated monomer. CONSTITUTION:A vinyl ester resin (A)[a reaction product between a polyepoxy compd. and (meth)acrylic acid, which is not dissolved in an ethylenically unsaturated monomer], a methyl methacrylate homopolymer or a copolymer (weight- average MW of 5,000-500,000) of a vinyl monomer mainly composed of methyl methacrylate (B), an inorg. filler (C) contg. at least 70wt% aluminum hydroxide and optionally an ethylenically unsaturated monomer (D) are blended, mixed or kneaded (at 120 deg.C or below) in a ratio of A/B of 70:30-90:10 and (A+B)/C of 10:90-35:65 and |
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