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US 5,650,453 AGranted
UV curable epoxysilicone blend compositions
AssigneeGeneral Electric Company
InventorsRichard P. Eckberg, Michael J. O'Brien
Life of this patent
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Abstract
Blends of epoxysilicone polymers and vinyl ether monomers or oligomers and an effective amount of a suitable iodonium photocatalyst provide an ultraviolet curable low viscosity silicone coating composition.
Claims17
An ultra-violet or electron beam curable silicone coating composition comprising:
- (a) an epoxy functional silicone selected from the group consisting of
- MD.sub.x D.sup.E.sub.y Q.sub.z T.sub.u D.sup.Rf.sub.j D.sup.A.sub.k D.sup.P.sub.l (D'(CH(R)CH.sub.2 O).sub.m).sub.n D.sup.B.sub.p M,
- M.sup.E D.sub.x D.sup.E.sub.y Q.sub.z T.sub.u D.sup.Rf.sub.j D.sup.A.sub.k D.sup.P.sub.l (D'(CH(R)CH.sub.2 O).sub.m).sub.n D.sup.B.sub.p M.sup.E,
- M.sup.E D.sub.x D.sup.E.sub.y Q.sub.z T.sub.u D.sup.Rf.sub.j D.sup.A.sub.K D.sup.P.sub.l (D'(CH(R)CH.sub.2 O).sub.m).sub.n D.sup.B.sub.p M, and mixtures thereof;
- where
- M=(CH.sub.3).sub.3 SiO.sub.1/2,
- M.sup.E =(C.sub.6 H.sub.9 O(CH.sub.2).sub.2)(CH.sub.3).sub.2 SiO.sub.1/2,
- D=(CH.sub.3).sub.2 SiO.sub.2/2,
- D'=(CH.sub.3).sub.3 SiO.sub.2/2,
- D.sup.E =(C.sub.6 H.sub.9 O(CH.sub.2).sub.2)(CH.sub.3)SiO.sub.2/2,
- D.sup.R.sub.f =(CF.sub.3 CH.sub.2 CH.sub.2)(CH.sub.3)SiO.sub.2/2,
- D.sup.A =((HO)(C.sub.2 H.sub.3)C.sub.6 H.sub.9 (CH.sub.2).sub.2)(CH.sub.3)SiO.sub.2/2,
- D.sup.P =((HO)(C.sub.6 H.sub.4)(CH.sub.2).sub.3)(CH.sub.3)SiO.sub.2/2,
- D.sup.B =((C.sub.6 H.sub.5 COO)(HO)(C.sub.6 H.sub.9)(CH.sub.2).sub.2)(CH.sub.3)SiO.sub.2/2,
- Q=SiO.sub.4/2,
- T=(CH.sub.3).sub.3 SiO.sub.3/2,
- where R is selected from the group consisting of hydrogen, methyl, and ethyl, and where j, k, l, m, n, p, x, y, z, and u are positive integers and k, l, n, p, and u may be zero and wherein said epoxy functional silicone has a viscosity ranging from about 100 to about 100,000 centistokes at 25.degree. C.;
- (b) an unsaturated ether compound selected from the group consisting of:
- CH.sub.2 .dbd.CH--O--(CH.sub.2).sub.11 CH.sub.3,
- (CH.sub.2 .dbd.CH--O--CH.sub.2).sub.2 --(C.sub.6 H.sub.10)
- CH.sub.2 .dbd.CH--O--(CH.sub.2 CH.sub.2 --O--).sub.3 --CH.dbd.CH.sub.2,
- (CH.sub.2 .dbd.CHOCH.sub.2)(HOCH.sub.2)(C.sub.6 H.sub.10),
- CH.sub.2 (CH.sub.2 CO.sub.2 CH.sub.2 --C.sub.6 H.sub.10 --CH.sub.2 OCH.dbd.CH.sub.2).sub.2
- (CH.sub.2 .dbd.CHO(CH.sub.2).sub.4 O.sub.2 C).sub.2 (C.sub.6 H.sub.4),
- and mixtures thereof;
- and
- (c) an effective amount of a bis(dodecylphenyl) iodonium salt photocatalyst, said photocatalyst being selected from the salts of the group of acids consisting of hexafluoroantimonic acid, hexafluoroarsenic acid, hexafluorophosphoric acid, tetrafluoroboric acid, tetra(perfluorophenyl)boric acid and mixtures thereof.
24 more elements
An ultra-violet or electron beam curable silicone coating composition consisting essentially of:
- (a) an epoxy functional silicone selected from the group consisting of
- MD.sub.x D.sup.E.sub.y Q.sub.z T.sub.u D.sup.Rf.sub.j D.sup.A.sub.k D.sup.P.sub.l (D'(CH(R)CH.sub.2 O).sub.m).sub.n D.sup.B.sub.p M.
- M.sup.E D.sub.x D.sup.E.sub.y Q.sub.z T.sub.u D.sup.Rf.sub.j D.sup.A.sub.k D.sup.P.sub.l (D'(CH(R)CH.sub.2 O).sub.m).sub.n D.sup.B.sub.p M.sup.E,
- M.sup.E D.sub.x D.sup.E.sub.y Q.sub.z T.sub.u D.sup.Rf.sub.j D.sup.A.sub.k D.sup.P.sub.l (D'(CH(R)CH.sub.2 O).sub.m).sub.n D.sup.B.sub.p M, and mixtures thereof;
- where
- M=(CH.sub.3).sub.3 SiO.sub.1/2,
- M.sup.E =(C.sub.6 H.sub.9 O(CH.sub.2).sub.2)(CH.sub.3).sub.2 SiO.sub.1/2,
- D=(CH.sub.3).sub.2 SiO.sub.2/2,
- D'=(CH.sub.3).sub.3 SiO.sub.2/2,
- D.sup.E =(C.sub.6 H.sub.9 O(CH.sub.2).sub.2)(CH.sub.3)SiO.sub.2/2,
- D.sup.R.sub.f =(CF.sub.3 CH.sub.2 CH.sub.2)(CH.sub.3)SiO.sub.2/2,
- D.sup.A =((HO)(C.sub.2 H.sub.3)C.sub.6 H.sub.9 (CH.sub.2).sub.2)(CH.sub.3)SiO.sub.2/2,
- D.sup.P =((HO)(C.sub.6 H.sub.4)(CH.sub.2).sub.3)(CH.sub.3)SiO.sub.2/2,
- D.sup.B =((C.sub.6 H.sub.5 COO)(HO)(C.sub.6 H.sub.9)(CH.sub.2).sub.2)(CH.sub.3)SiO.sub.2/2,
- Q=SiO.sub.4/2,
- T=(CH.sub.3).sub.3 SiO.sub.3/2,
- where R is selected from the group consisting of hydrogen, methyl, and ethyl, and where j, k, l, m, n, x, y, z, and u are positive integers and k, l, n, and u may be zero and wherein said epoxy functional silicone has a viscosity ranging from about 100 to about 100,000 centistokes at 25.degree. C.;
- (b) an unsaturated ether compound selected from the group consisting of:
- CH.sub.2 .dbd.CH--O--(CH.sub.2).sub.11 CH.sub.3,
- (CH.sub.2 .dbd.CH--O--CH.sub.2).sub.2 --(C.sub.6 H.sub.10)
- CH.sub.2 .dbd.CH--O--(CH.sub.2 CH.sub.2 --O--).sub.3 --CH.dbd.CH.sub.2,
- (CH.sub.2 .dbd.CHOCH.sub.2)(HOCH.sub.2)(C.sub.6 H.sub.10),
- CH.sub.2 (CH.sub.2 CO.sub.2 CH.sub.2 --C.sub.6 H.sub.10 --CH.sub.2 OCH.dbd.CH.sub.2).sub.2
- (CH.sub.2 .dbd.CHO(CH.sub.2).sub.4 O.sub.2 C).sub.2 (C.sub.6 H.sub.4),
- and mixtures thereof;
- and
- (c) an effective amount of a bis(dodecylphenyl) iodonium salt photocatalyst, said photocatalyst being selected from the salts of the group of acids consisting of hexafluoroantimonic acid, hexafluoroarsenic acid, hexafluorophosphoric acid, tetrafluoroboric acid, tetra(perfluorophenyl)boric acid and mixtures thereof.
24 more elements
Dependencies are inferred from the claim text.