Adhesive for silicone rubber lining materials

Claim 2

An adhesive for silicone rubber lining materials, for adhering a silicone rubber lining material and a (meth)acrylic resin denture base together, comprising: (a) 100 parts by weight of an organic solvent; (b) 0.1 to 20 parts by weight of a (meth)acrylic polymer modified with a siloxane having a functional group reactive in the hydrosilylation reaction; and (c) 0.1 to 20 parts by weight of a polymer of a (meth)acrylic acid alkyl ester represented by the following formula, CH 2 ═C(X)—COOR wherein X is a hydrogen atom or a methyl group, and R is an alkyl group having 1 to 6 carbon atoms.

Claim 3

An adhesive for silicone rubber lining materials according to claim 1 , wherein the (meth)acrylic resin polymer which is the component (b) contains structural units (α) represented by the following formula (1) in an amount of from 10 to 99.9% by mol, structural units (β) represented by the following formulas (2) and/or (2′) in an amount of from 90 to 0.1% by mol, and structural units (γ) represented by the following formula (3) in an amount of from 0 to 89.9% by mol, and has a weight-average molecular weight of from 5,000 to 1,000,000, wherein, in the above formulas (1), (2), (2′) and (3): R 1 , R 2 and R 13 are a hydrogen atom, a methyl group or an ethyl group; R 3 is an alkyl group having 1 to 13 carbon atoms or an aryl group having 6 to 14 carbon atoms; R 4 to R 10 and R 15 to R 21 are an alkyl group having 1 to 6 carbon atoms or an aryl group having 6 to 14 carbon atoms; R 11 , R 12 and R 22 are a hydrogen atom, an alkyl group having 1 to 6 carbon atoms or an aryl group having 6 to 14 carbon atoms; R 14 is an unsaturated hydrocarbon group having 2 to 20 carbon atoms, which may have an ether bond or an ester bond in the main chain thereof; A is a divalent hydrocarbon group having 2 to 20 carbon atoms, which may have an ether bond or an ester bond in the main chain thereof; c and d are the average number of repeating units of silicone, c being a number of from 1 to 100 and d being a number of from 0 to 100, and wherein 10≦c+d≦100 and 0≦d/c≦10.

Claim 4

An adhesive for silicone rubber lining materials according to claim 1 , wherein the organic solvent which is the component (a) is a halogen-free organic solvent.

Claim 5

An adhesive for silicone rubber lining materials according to claim 3 , wherein the halogen-free organic solvent is ethyl acetate.

Claim 6

A kit for lining a (meth)acrylic resin denture base comprising (I) a setting composition for silicone rubber lining materials, and (II) the adhesive for the silicone rubber lining materials of claim 1 .

Claim 7

A kit for lining a (meth)acrylic resin denture base according to claim 5 , wherein the settable composition for silicone rubber lining materials, which is the component (I) contains: (i) an organopolysiloxane having at least two organic groups in the molecules, the organic groups having a carbon-carbon unsaturated bond at the terminals; (ii) an organohydrogenpolysiloxane having at least three SiH groups in the molecules; (iii) a hydrosilylation catalyst; and (iv) a settable composition containing a silicone resin filler material and/or a silica filler.

Claim 8

A kit for lining a (meth)acrylic resin denture base according to claim 6 , wherein the settable composition for silicone rubber lining materials, which is the component (I), further contains (v) an organohydrogenpolysiloxane having one or two SiH groups in the molecules thereof.

Claim 9

A method of adhering a silicone rubber lining material and a (meth)acrylic resin denture base together by adhering the silicone rubber lining material and the (meth)acrylic resin denture base together by using the adhesive for silicone rubber lining materials of claim 1 .