Curable compositions
First Claim
1. A curable composition comprising (A) an oligo(meth)acrylate having a (meth)acroyl group equivalent of not more than 1000 and being prepared by esterifying (1) a polyhydric alcohol, (2) a polycarboxylic compound selected from the group consisting of a polycarboxylic acid and the anhydride thereof, said polyhydric alcohol and polycarboxylic compound not being a dihydric alcohol and dicarboxylic compound respectively at the same time, and (3) (meth)acrylic acid to produce the oligo(meth)acrylate and (B) a polyol poly(meth)acrylate prepared by esterifying a polyhydric alcohol and (meth)acrylic acid to produce the polyol poly(meth)acrylate.
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Accused Products
Abstract
A low viscous and solvent-free curable composition comprising a polyester type oligo(meth)acrylate having a plurality of (meth)acryloyl groups, and a polyol poly(meth)acrylate.
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Citations
26 Claims
- 1. A curable composition comprising (A) an oligo(meth)acrylate having a (meth)acroyl group equivalent of not more than 1000 and being prepared by esterifying (1) a polyhydric alcohol, (2) a polycarboxylic compound selected from the group consisting of a polycarboxylic acid and the anhydride thereof, said polyhydric alcohol and polycarboxylic compound not being a dihydric alcohol and dicarboxylic compound respectively at the same time, and (3) (meth)acrylic acid to produce the oligo(meth)acrylate and (B) a polyol poly(meth)acrylate prepared by esterifying a polyhydric alcohol and (meth)acrylic acid to produce the polyol poly(meth)acrylate.
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24. A curable composition comprising an oligoacrylate having an acryloyl group equivalent of about 120-600 and being prepared by the esterification of trimethylolpropane, tetrahydrophthalic anhydride and acrylic acid, and trimethylolpropane triacrylate.
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25. A curable composition comprising an oligoacrylate having an acryloyl group equivalent of about 120-600 and being prepared by the esterification of pentaerithritol, tetrahydrophthalic anhydride and acrylic acid, and trimethylolpropane triacrylate.
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26. A curable composition comprising an oligoacrylate having an acryloyl group equivalent of about 120-600 and being prepared by the esterification of pentaerithritol, diethylene glycol, tetrahydrophthalic anhydride and acrylic acid, and trimethylolpropane triacrylate.
Specification