Curable silicone compositions having enhanced cure-through-volume
First Claim
Patent Images
1. A photocurable silicone composition comprising:
- a. a photocurable silicone polymer;
b. a photoinitiator; and
c. a curable amino silyl-terminated polymer additive comprising the reaction product of at least one silanol-terminated polymer or copolymer and one or more end-capping silane components, provided that at least one of the end-caping silane components is an amino containing component, and wherein said silanol-terminated polymer or copolymer includes a polymer or copolymer backbone selected from the group consisting of polyurethane, silicone, polyamide, polyether, polyester and combinations thereof.
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Abstract
A photocurable silicone composition which includes an additive which provides cure-through-volume of the overall composition. The additive is desirably a curable amino silyl-terminated polyorganosiloxane.
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Citations
15 Claims
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1. A photocurable silicone composition comprising:
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a. a photocurable silicone polymer;
b. a photoinitiator; and
c. a curable amino silyl-terminated polymer additive comprising the reaction product of at least one silanol-terminated polymer or copolymer and one or more end-capping silane components, provided that at least one of the end-caping silane components is an amino containing component, and wherein said silanol-terminated polymer or copolymer includes a polymer or copolymer backbone selected from the group consisting of polyurethane, silicone, polyamide, polyether, polyester and combinations thereof. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of preparing a photocurable silicone composition having enhanced cure-through-volume comprising the steps of:
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(i) providing a photocurable silicone polymer and a photoiniatiator; and
(ii) incorporating therein a curable amino silyl-terminated polymer additive comprising the reaction product of at least one silanol-terminated polymer or copolymer and one or more end-capping silane components, provided that at least one of the end-caping silane components is an amino containing component, and wherein said silanol-terminated polymer or copolymer includes a polymer or copolymer backbone selected from the group consisting of polyurethane, silicone, polyamide, polyether, polyester and combinations thereof.
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12. A method of providing enhanced cure-through-volume in a photocurable silicone composition comprising the steps of:
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(i) providing a photocurable silicone composition comprising;
a. a photocurable silicone polymer;
b. a photoinitiator; and
c. a curable amino silyl-terminated polymer additive comprising the reaction product of at least one silanol-terminated polymer or copolymer and one or more end-capping silane components, provided that at least one of the end-caping silane components is an amino containing component, and wherein said silanol-terminated polymer or copolymer includes a polymer or copolymer backbone selected from the group consisting of polyurethane, silicone, polyamide, polyether, polyester and combinations thereof;
(ii) applying said photocurable silicone compositions to a substrate; and
exposing said silicone composition to sufficient radiation to photocure said silicone composition.
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13. A photocurable silicone composition comprising:
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a. a photocurable silicone polymer;
b. a photoinitiator; and
c. a curable amino silyl-terminated polymer additive comprising the reaction product of at least one silanol-terminated polyorganosiloxane and one or more end-capping silane components, provided that at least one of the end-capping silane components is an amino containing component.
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14. A method of preparing a photocurable silicone composition having enhanced cure-through-volume comprising the steps of:
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(i) providing a photocurable silicone polymer and a photoiniatiator; and
(ii) incorporating therein a curable amino silyl-terminated polymer additive comprising the reaction product of at least one silanol-terminated polyorganosiloxane and one or more end-capping silane components, provided that at least one of the end-caping silane components is an amino containing component.
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15. A method of providing enhanced cure-through-volume in a photocurable silicone composition comprising the steps of:
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(i) providing a photocurable silicone composition comprising;
a. a photocurable silicone polymer;
b. a photoinitiator; and
c. a curable amino silyl-terminated polymer additive comprising the reaction product of at least one silanol-terminated polyorganosiloxane and one or more end-capping silane components, provided that at least one of the end-caping silane components is an amino containing component;
(ii) applying said photocurable silicone compositions to a substrate; and
(iii) exposing said silicone composition to sufficient radiation to photocure said silicone composition.
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Specification