Claims
- 1. A silicone composition comprising a vulcanizable adhesive formulation which comprises:
(A) at least one oxygen-substituted allyl aromatic compound, (B) a vinyl-containing polydiorganosiloxane, (C) a hydrogen-containing polysiloxane, (D) a catalytic amount of a hydrosilylation catalyst, and (E) an inhibitor.
- 2. The composition in accordance with claim 1, wherein the vulcanizable adhesive formulation further comprises an extending filler (F), a reinforcing filler (G), or combination thereof.
- 3. The composition in accordance with claim 1, wherein the vinyl-containing polydiorganosiloxane has a general formula,
- 4. The composition in accordance with claim 1, wherein the vinyl-containing polydiorganosiloxane is present in a range between about 10% by weight and about 80% by weight of the total composition.
- 5. The composition in accordance with claim 1, wherein the hydrogen-containing polysiloxane has an average unit formula,
- 6. The composition in accordance with claim 1, wherein the hydrogen-containing polysiloxane is present in a range between about 1% by weight and about 15% by weight of the total composition.
- 7. The composition in accordance with claim 1, wherein the oxygen-substituted allyl aromatic compound has a formula (I)
- 8. The composition in accordance with claim 7, wherein R2 comprises Group II; R1 is hydrogen; R3 is hydrogen; and W is the group
- 9. The composition in accordance with claim 1, wherein the oxygen-substituted allyl aromatic compound is present in a range between about 0.1% by weight and about 5% by weight of the total composition.
- 10. The composition in accordance with claim 2, wherein the reinforcing filler is present in a range between about 0% by weight and about 50% by weight of the total composition.
- 11. The composition in accordance with claim 2, wherein the extending filler is present in a range between about 0% by weight and about 70% by weight of the total composition.
- 12. An article comprising a polymer substrate treated with the composition of claim 1.
- 13. The article in accordance with claim 12, wherein the substrate comprises a polyamide.
- 14. A silicone composition comprising a vulcanizable adhesive formulation which composition comprises
(A) at least one oxygen-substituted allyl aromatic compound present in a range between about 0.1% by weight and about 5% by weight of the total composition; (B) a vinyl-containing polydiorganosiloxane present in a range between about 10% by weight and about 80% by weight of the total composition, (C) a hydrogen-containing polysiloxane in a range between about 1% by weight and about 15% by weight of the total composition, (D) a catalytic amount of a hydrosilylation catalyst, (E) an inhibitor in a range between about 0.01% by weight and about 1% by weight of the total composition, (F) a reinforcing filler in a range between about 0% by weight and about 50% by weight of the total composition, and (G) an extending filler in a range between about 0% by weight and about 70% by weight of the total composition.
- 15. An article comprising a polymer substrate treated with the composition of claim 14.
- 16. The article in accordance with claim 15, wherein the substrate comprises a polyamide.
- 17. A method to provide cohesive failure to a silicone composition and a substrate which comprises the steps of:
(I) applying a silicone composition to a substrate wherein the silicone composition comprises:
(A) at least one oxygen-substituted allyl aromatic compound, (B) a vinyl-containing polydiorganosiloxane, (C) a hydrogen-containing polysiloxane, (D) a catalytic amount of a hydrosilylation catalyst, and (E) an inhibitor, and (II) curing the silicone composition.
- 18. The method in accordance with claim 17, wherein the silicone composition further comprises an extending filler (F), a reinforcing filler (G), or combinations thereof.
- 19. The method in accordance with claim 18, wherein the vinyl-containing polydiorganosiloxane has a general formula,
- 20. The method in accordance with claim 19, wherein the vinyl-containing polydiorganosiloxane is present in a range between about 10% by weight and about 80% by weight of the total composition.
- 21. The method in accordance with claim 17, wherein the hydrogen-containing polysiloxane comprises an average unit formula,
- 22. The method in accordance with claim 17, wherein the hydrogen-containing polysiloxane is present in a range between about 1% by weight and about 15% by weight of the total composition.
- 23. The method in accordance with claim 17, wherein the oxygen-substituted allyl aromatic compound has a formula (I)
- 24. The method in accordance with claim 23, wherein R2 comprises Group II; R1 is hydrogen; R3 is hydrogen; and W is the group
- 25. The method in accordance with claim 17, wherein the oxygen-substituted allyl aromatic compound is present in a range between about 0.1% by weight and about 5% by weight of the total composition.
- 26. The method in accordance with claim 17, wherein the substrate comprises a polymer.
- 27. The method in accordance with claim 26, wherein the polymer comprises a polyamide.
- 28. The method in accordance with claim 17, wherein the silicone composition is applied to a thickness in a range between about 1 millimeter and about 20 millimeters.
- 29. The method in accordance with claim 17, wherein the silicone composition is cured at a temperature in a range between about 50° C. and about 150° C. over a period in a range between about 0.25 hours and about 150 hours.
- 30. A method to provide cohesive failure to a silicone composition and a polyamide substrate which comprises the steps of:
(1) applying a silicone composition to a substrate to a thickness in a range between about 1 millimeter and about 20 millimeters, wherein the silicone composition comprises:
(A) an oxygen-substituted allyl aromatic compound present in a range between about 0.1% by weight and about 5% by weight of the total composition; (B) a vinyl-containing polydiorganosiloxane present in a range between about 10% by weight and about 80% by weight of the total composition, (C) a hydrogen-containing polysiloxane in a range between about 1% by weight and about 15% by weight of the total composition, (D) a catalytic amount of a hydrosilylation catalyst, (E) an inhibitor in a range between about 0.01% by weight and about 1% by weight of the total composition, (F) an extending filler in a range between about 0% by weight and about 50% by weight of the total composition, (G) a reinforcing filler in a range between about 0% by weight and about 70% by weight of the total composition, and (2) curing the silicone composition at a temperature in a range between about 50° C. and about 150° C. over a period in a range between about 0.25 hours and about 150 hours.
- 31. An oxygen-substituted allyl aromatic compound comprising a formula (I)
- 32. The oxygen-substituted allyl aromatic compound in accordance with claim 30, wherein R2 comprises Group II; R1 is hydrogen; R3 is hydrogen; and W is the group
- 33. The oxygen-substituted allyl aromatic compound in accordance with claim 31, wherein the substrate is a polyamide.
- 34. An oxygen-substituted allyl aromatic compound comprising a formula
Government Interests
[0001] The government has rights in this invention pursuant to Contract No. DAAE3099C1042 awarded by SERDP.