Claims
- 1. A silicone elastomer, comprising the cross-linked hydrosilylation reaction product of:(i) an alkenyl functional silicone compound; (ii) a silylhydride functional silicone compound; and (iii) one or more allyl started, hydrogen, alkyl, aryl or acyl terminated polyether compounds.
- 2. The composition of claim 1, wherein the composition comprises the cross-linked hydrosilylation reaction product of, based on 100 parts by weight of the combined alkenyl functional silicone compound, silylhydride functional silicone compound and allyl started, hydrogen, alkyl, aryl or acyl terminated polyether compounds, from 10 parts by weight to 99.9 parts by weight of the combined alkenyl functional silicone compound and silylhydride functional silicone compound and from greater than 0.1 parts by weight to 90 parts by weight of the one or more allyl started, hydrogen, alkyl, aryl or acyl terminated polyether compounds.
- 3. The composition of claim 1, wherein the alkenyl functional silicone compound comprises one or more compounds of the formula:MaMvibDcDvidTeTvifQg wherein:M is R1R2R3SiO1/2; Mvi is R4R5R6SiO1/2; D is R7R8SiO2/2; Dvi is R9R10SiO2/2; T is R11SiO3/2; Tvi is R12SiO3/2; and Q is SiO4/2; R1, R2, R3, R7, R8 and R11 are each independently alkyl, aryl or aralkyl; R4, R9 and R12 are each independently monovalent terminally unsaturated hydrocarbon radicals; R5, R6 and R10 are each independently monovalent terminally unsaturated hydrocarbon radicals, alkyl, aryl or aralkyl; a, b, c, d, e, f and g are each integers wherein: a, b, e, f, and g are each greater than or equal to 0 and less than or equal to 50, 0≦c≦2000, 0≦d≦200, and provided that: (a+b)≦(2+3e+3f+4g) and 1.5≦(b+d+f)≦200.
- 4. The composition of claim 3, wherein R4 is a monovalent terminally unsaturated (C2-C6)hydrocarbon radical; R5, R6, R7 and R8 are each independently (C1-C6)alkyl; b is 2; 100≦c≦2000; and a, d, e, f and g are each 0.
- 5. The composition of claim 3, wherein there are at least two different alkenyl functional silicone compounds.
- 6. The composition of claim 1, wherein the silylhydride functional silicone compound comprises one or more compounds of the formula:MhMHiDjDHkTlTHmQn wherein:M is R1R2R3SiO1/2; MH is R13R14R15SiO1/2; D is R7R8SiO2/2; DH is R16R17SiO2/2; T is R11SiO3/2; TH is R18SiO3/2; Q is SiO4/2; R1, R2, R3, R7, R8 and R11 are each independently alkyl, aryl or aralkyl; R13, R16 and R18 are each independently H; R14, R15 and R17 are each independently H, alkyl, aryl or aralkyl; and h, i, j, k, l, m, and n are each integers wherein h, i, l, m and n are each greater than or equal to 0 and less than or equal to 50, 0≦j≦2000, 0≦k≦200, and provided that (h+i)≦(2+3l+3m+4n) and 1.5≦(i+k+m)≦200.
- 7. The composition of claim 6, wherein R14 and R15 are each independently (C1-C6)alkyl; R13 is H; 4≦i≦30; 1≦n≦15 and h, j, k, l and m are each 0.
- 8. The composition of claim 6, wherein R14, R15 and R17 are each independently (C1-C12)alkyl, R13 and R16 are each H; h+i=2, 0≦j≦100, 2≦k≦100 and l, m and n are each 0.
- 9. The composition of claim 1, wherein the allyl started, hydrogen, alkyl, aryl or acyl terminated polyether compound comprises one or more compounds of the formula:CH2═CH(CH2)oO(CpH2pO)q(CrH2rO)sR19 R19 is hydrogen, alkyl, aryl or acyl; o, p, q, r and s are each integers wherein: 0≦o≦6; p and r are each independently greater than or equal to 1 and less than or equal to 4; q and s are each independently greater than or equal to 0 and less than 200 such that 0≦q+s≦200.
- 10. The composition of claim 9, wherein R19 is (C1-C20)alkyl.
- 11. A method for making a cross-linked polyether substituted silicone elastomer, comprising forming the hydrosilylation reaction product of (i) an alkenyl functional silicone compound; (ii) a silylhydride functional silicone compound; and (iii) one or more allyl started, hydrogen, alkyl, aryl or acyl terminated polyether compounds.
- 12. The method of claim 11, wherein the cross-linked polyether substituted silicone elastomer is formed by contacting the alkenyl functional silicone compound, silylhydride functional silicone compound and the one or more allyl started, hydrogen, alkyl, aryl or acyl terminated polyether compounds under hydrosilylation conditions.
CROSS-REFERENCE TO RELATED APPLICATIONS
This applicaton claims rights of priority from U.S. Provisional Patent Application Serial No. 60/150,649, filed Aug. 25, 1999.
US Referenced Citations (19)
Provisional Applications (1)
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Number |
Date |
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60/150649 |
Aug 1999 |
US |