Waterborne polymers having pendant allyl groups
First Claim
1. A curable polymer composition comprising the reaction product of the free radical emulsion polymerization ofan allyl group-containing ethylenically unsaturated monomer, wherein said allyl group-containing monomer is a compound having at least one allyl group and at least one other ethylenically unsaturated group other than an allyl or a group which is capable of a free radical reaction, or wherein said allyl group-containing ethylenically unsaturated monomer is a compound having three or more allyl groups, wherein said allyl group is bonded to a moiety which is other than a carbonyl group,with a styrenic monomer or an alkyl (alkyl)acrylate,and optionally other ethylenically unsaturated monomers, wherein said polymer possesses sufficient available pendant allyl functionality to effect crosslinking,provided that said polymer has a glass transition temperature of less than 65°
- C.
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Abstract
This invention provides polymers useful in coating compositions. The polymers are prepared via a free radical polymerization using ethylenically unsaturated monomers. The polymers of this invention possess pendant allylic groups which are capable of effecting free-radical flux when the compositions are applied to a substrate and exposed to oxygen. Coatings formed from preferred compositions possess superior solvent, print, and block resistance.
55 Citations
12 Claims
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1. A curable polymer composition comprising the reaction product of the free radical emulsion polymerization of
an allyl group-containing ethylenically unsaturated monomer, wherein said allyl group-containing monomer is a compound having at least one allyl group and at least one other ethylenically unsaturated group other than an allyl or a group which is capable of a free radical reaction, or wherein said allyl group-containing ethylenically unsaturated monomer is a compound having three or more allyl groups, wherein said allyl group is bonded to a moiety which is other than a carbonyl group, with a styrenic monomer or an alkyl (alkyl)acrylate, and optionally other ethylenically unsaturated monomers, wherein said polymer possesses sufficient available pendant allyl functionality to effect crosslinking, provided that said polymer has a glass transition temperature of less than 65°
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10. A waterborne coating composition comprising a blend of water;
- a curable polymer composition comprising the reaction product of the free radical emulsion polymerization of
an allyl group-containing ethylenically unsaturated monomer, wherein said allyl group-containing monomer is a compound having at least one allyl group and at least one other ethylenically unsaturated group other than an allyl or a group which is capable of a free radical reaction, or wherein said allyl group-containing ethylenically unsaturated monomer is a compound having three or more allyl groups, wherein said allyl group is bonded to a moiety which is other than a carbonyl group, with a styrenic monomer or an alkyl (alkyl)acrylate, and optionally other ethylenically unsaturated monomers, wherein said polymer possesses sufficient available pendant allyl functionality to effect crosslinking, provided that said polymer has a glass transition temperature of less than 65°
C.; and
optionally one or more water dispersible polymers selected from the group consisting of polyesters, polyester-amides, cellulose esters, alkyds, polyurethanes, epoxy resins, polyamides, acrylics, and vinyl polymers. - View Dependent Claims (11, 12)
- a curable polymer composition comprising the reaction product of the free radical emulsion polymerization of
Specification