UV and UV/moisture dual curable compositions with improved cure through volume
First Claim
Patent Images
1. A UV radiation curable flame-resistant composition consisting essentially of:
- a UV radiation curable silicone component;
a filler component, wherein the filler component is substantially transmissive to UV;
a photoinitiator component;
a flame-retardant component in an amount effective to enhance the resistance of said composition to flammability;
an inorganic filler component; and
a reactive diluent.
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Abstract
The present invention is directed to silicone formulations which are capable of being rapidly cured to tough elastomeric materials through exposure to UV radiation, and optionally through exposure to moisture as well. The cured products demonstrate high resistance to flammability and combustibility.
24 Citations
19 Claims
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1. A UV radiation curable flame-resistant composition consisting essentially of:
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a UV radiation curable silicone component; a filler component, wherein the filler component is substantially transmissive to UV; a photoinitiator component; a flame-retardant component in an amount effective to enhance the resistance of said composition to flammability; an inorganic filler component; and a reactive diluent.
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2. A UV radiation curable flame-resistant composition consisting essentially of:
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a UV radiation curable silicone component; a filler component, wherein the filler component is substantially transmissive to UV; a photoinitiator component; and a reactive diluent component; and optionally an inorganic filler component wherein the inorganic filler component is a fumed hydrophobic silica filler, and optionally as a flame-retardant component hydrated alumina; and optionally a moisture cure catalyst, and optionally an adhesion promoter. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10)
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11. A UV radiation curable flame-resistant composition consisting essentially of:
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a UV radiation curable silicone component; a filler component, wherein the filler component is substantially transmissive to UV; and a photoinitiator component, wherein the substantially UV radiation transmissive filler are hollow microspheres. - View Dependent Claims (12, 13)
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14. A UV radiation curable flame-resistant composition comprising:
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a UV radiation curable silicone component; substantially UV transmissive solid microspheres; and a photoinitiator component; and a reactive diluent.
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15. A W radiation curable flame-resistant composition comprising:
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a UV radiation curable component comprising a reactive silicone resin component; a filler component, wherein the filler component is substantially transmissive to UV; a reactive diluent; and a photoinitiator components wherein the reactive diluent is the combination of isobornyl acrylate and 2-phenoxyethyl acrylate. - View Dependent Claims (16, 17)
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18. A UV radiation curable flame-resistant composition comprising:
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a UV radiation curable component comprising a reactive silicone resin component; a filler component, wherein the filler component is substantially transmissive to UV; a photoinitiator component, wherein the reactive diluent is the combination of isobornyl acrylate and 2-phenoxyethyl acrylate; and an inorganic filler component, wherein the inorganic filler component is a fumed hydrophobic silica filler.
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19. A UV radiation curable flame-resistant composition comprising:
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a UV radiation curable component comprising a reactive silicone resin component; a filler component, wherein the filler component is substantially transmissive to UV;
a reactive diluent;a photoinitiator component, wherein the reactive diluent is the combination of Isobornyl acrylate and 2 phenoxyethyl acrylate; and an adhesion promoter.
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Specification