Laminating resin with reduced styrene monomer
First Claim
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1. A laminating resin having low styrene content, said resin comprising:
- a) a thermosetting resin; and
b) a reactive intermediate comprising a low molecular weight polyester oligomer endcapped with at least one (meth)acrylic acid, its ester or its anhydride thereof.
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Abstract
A laminating resin having low styrene content is provided. The resin includes a thermosetting resin and a reactive intermediate including a low molecular weight polyester oligomer endcapped with at least one (meth)acrylic acid, its ester or its anhydride thereof.
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Citations
22 Claims
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1. A laminating resin having low styrene content, said resin comprising:
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a) a thermosetting resin; and
b) a reactive intermediate comprising a low molecular weight polyester oligomer endcapped with at least one (meth)acrylic acid, its ester or its anhydride thereof. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A laminating resin devoid of styrene, said resin comprising:
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a) a thermosetting resin selected from the group consisting of saturated and unsaturated polyesters, urethanes and vinyl esters, said thermosetting resin blended with;
b) a reactive intermediate comprising a polyester oligomer formed by (i) esterifying or trans-esterifying a saturated or unsaturated polyester with at least one polyhydric alcohol, wherein said polyester oligomer has a molecular weight range of 200 to 1500 and the ratio of polyester to polyhydric alcohol is a range of 1;
1.2 to 1;
1.5, and (ii) further esterifying or trans-esterifying with at least one (meth)acrylic acid, its ester or anhydride thereof. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A laminating resin comprising:
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1 to 99 percent by weight of a thermosetting resin;
1-99 percent by weight of a reactive intermediate comprising a low molecular weight polyester oligomer endcapped with at least one (meth)acrylic acid, its ester or its anhydride;
1-60 percent by weight of a filler;
0-40 percent by weight of a vinyl aromatic monomer;
0-40 percent by weight of a polyfunctional acrylate; and
0-50 percent by weight of a low profile additive. - View Dependent Claims (18, 19, 20, 21, 22)
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Specification