Reinforcement and Cure Enhancement of Curable Resins
First Claim
Patent Images
1. A composition comprising:
- a) a silicone component; and
b) a (meth)acrylate monomer present in an amount of at least about 5% by weight of the total composition;
wherein the composition is free of an acylphosphine oxide.
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Abstract
The present invention relates to curable compositions which contain acrylate monomers as liquid filler materials, which when cured, phase separate from the matrix in which they are present and serve as reinforcement materials. The curable compositions possess improved physical properties. Additionally provided are methods of making and using the inventive compositions
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Citations
16 Claims
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1. A composition comprising:
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a) a silicone component; and b) a (meth)acrylate monomer present in an amount of at least about 5% by weight of the total composition; wherein the composition is free of an acylphosphine oxide. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A composition comprising:
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a) a curable non-(meth)acrylate based polymer matrix; and b) a liquid (meth)acrylate monomer, which when co-cured with the matrix serves as a solid filler. - View Dependent Claims (11, 12)
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13. A composition comprising:
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a) a poly(acrylate) matrix; and b) a liquid (meth) acrylate monomer filler present in amounts of about 5% to about 60% by weight of the total composition. - View Dependent Claims (14)
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15. A method of providing structural reinforcement to a composition comprising:
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a) providing a liquid (meth)acrylate monomer; b) providing a curable polymer matrix; c) combining a) and b) to form a curable composition; and d) curing the curable composition, whereby at least one of the following properties are increased;
tensile strength;
elongation at break;
tear strength or Shore A hardness.
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16. A method of reshaping a cured composition comprising:
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a) providing a liquid (meth)acrylate monomer; b) providing a curable polymer matrix; c) combining a) and b) to form a curable composition; and
curing the curable composition;d) heating the cured composition to a temperature above the Tg of the monomer but below the Tg of the polymer; e) changing the shape of the cured composition and maintaining that changed shape until the monomer resolidifies, whereby the cured composition holds its changed shape.
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Specification