Base material for adhesion and silicone rubber-adhered article using thereof

Abstract

A base material for adhesion to be adhered to a solid body includes a substrate made from metal, polymer resin, glass or ceramics whose surface is adhesive to the solid body by silyl-ether-linkage that at least one active silyl group selected from the group consisting of a hydrosilyl-containing silyl group, a vinyl-containing silyl group, an alkoxysilyl-containing silyl group and a hydrolytic group-containing silyl group having reactivity with a reactive group on the surface of the solid body is bound to a dehydrogenated residue of hydroxyl group on the surface of the substrate.

1 . A base material for adhesion to be adhered to a solid body comprising:
 a substrate made from metal, polymer resin, glass or ceramics whose surface is adhesive to the solid body by silyl-ether-linkage that at least one active silyl group selected from the group consisting of a hydrosilyl-containing silyl group, a vinyl-containing silyl group, an alkoxysilyl-containing silyl group and a hydrolytic group-containing silyl group having reactivity with a reactive group on the surface of the solid body is bound to a dehydrogenated residue of hydroxyl group on the surface of the substrate.   
     
     
         2 . The base material for adhesion according to  claim 1 , wherein the hydroxyl group is an inherent hydroxyl group on the surface of the substrate, or a generated hydroxyl group on the surface of the substrate by corona discharge treatment, atmospheric-pressure plasma treatment or ultraviolet irradiation treatment, and is bound to the active silyl group from an alkoxysilyl group of an alkoxysilane compound through the silyl-ether-linkage. 
     
     
         3 . The base material for adhesion according to  claim 2 , wherein the surface of the solid body has hydroxyl group by oxidation and said hydroxyl group is bound to the active silyl group from the alkoxysilyl group through the silyl-ether-linkage. 
     
     
         4 . The base material for adhesion according to  claim 3 , wherein the silyl-ether-linkage from the alkoxysilane compound constitutes a monomolecular layer. 
     
     
         5 . The base material for adhesion according to  claim 1 , wherein the active silyl group is;
 the hydrosilyl-containing silyl group selected from a monohydrosilyl-containing silyl group and a dihydrosilyl-containing silyl group;   the vinyl-containing silyl group as a vinylsilyl-containing silyl group;   the alkoxysilyl-containing silyl group selected from a terminal-trialkoxysilyl-containing silyl group and a terminal-dialkoxysilyl-containing silyl group;   the hydrolytic group-containing silyl group having a hydrolysable functional group selected from an acyloxysilyl group, an alkenyloxysilyl group, an alkaniminooxy group, an alkyloxysilyl group, an alkylaminosilyl group, a dialkylaminosilyl group, a nitrogenous heterocyclic substituted silyl group and a arylaminosilyl group.   
     
     
         6 . The base material for adhesion according to  claim 5 , wherein the active silyl group is the hydrosilyl-containing silyl group having —SiH(R 1 ) 2  group or —SiH 2 (R 2 ) group on the terminal thereof in which R 1  and R 2  are an alkyl group having 1 to 4 carbon atoms, or —SiH— group between both terminals thereof. 
     
     
         7 . The base material for adhesion according to  claim 5 , wherein the active silyl group is the vinylsilyl-containing silyl group having —Si—R 3  group on the terminal thereof in which R 3  is a vinyl-containing group, or —Si(R 4 )— group between both terminals thereof in which R 4  is a vinyl-containing group. 
     
     
         8 . The base material for adhesion according to  claim 5 , wherein the active silyl group is the terminal-alkoxysilyl-containing silyl group having —Si(OR 5 ) 2 R 6  group on the terminal thereof in which R 5  and R 6  are an alkyl group having 1 to 4 carbon atoms, or —Si(OR 7 ) 3  group on the terminal thereof in which R 7  is alkyl group having 1 to 4 carbon atoms. 
     
     
         9 . The base material for adhesion according to  claim 5 , wherein the active silyl group is the hydrolytic group-containing silyl group having the hydrolysable functional group represented by —Si(R 8 ) a (R 9 ) 3-a  group in which R 8  is selected from hydrogen atom; a halogen atom; an alkyl group that respectively have 1 to 12 carbon atoms; an aralkyl group; and aryl group, R 9  is selected from an acyloxy group, alkenyloxy group, an alkaniminooxy group, an alkyloxy group, an alkylamino group and a dialkylamino group that respectively have 1 to 12 carbon atoms; a nitrogenous heterocyclic group and an arylamino group, and a is a number of 0 to 3. 
     
     
         10 . The base material for adhesion according to  claim 1 , wherein the reactive group is at least one selected from the group consisting of hydrosilyl, vinylsilyl, hydroxysilyl, alkyloxysilyl, alkenyloxysilyl, acyloxysilyl, iminooxysilyl and alkylaminosilyl. 
     
     
         11 . The base material for adhesion according to  claim 1 ,
 wherein the active silyl group is the vinyl-containing silyl group,   a platinum-containing catalyst or a rhodium-containing catalyst is applied on the surface of the substrate that exposes the active silyl group,   and the reactive group is hydrosilyl.   
     
     
         12 . The base material for adhesion according to  claim 11 , wherein the platinum-containing catalyst is a platinum complex, and the rhodium-containing catalyst is a rhodium complex. 
     
     
         13 . The base material for adhesion according to  claim 11 , wherein the platinum-containing catalyst or the rhodium-containing catalyst is applied to the surface of the substrate by coating or immersing with a solution or a suspension including thereof. 
     
     
         14 . The base material for adhesion according to  claim 11 , wherein platinum atom of the platinum-containing catalyst or rhodium atom of the rhodium-containing catalyst coordinates with plural groups of the vinyl-containing silyl group. 
     
     
         15 . The base material for adhesion according to  claim 11 , wherein the vinyl-containing silyl group is derived from a vinyl-containing silyl compound selected from (CH 2 ═CH—)(CH 3 O—) 2 Si—O—[(CH 2 ═CH—)(CH 3 O—)Si—O] b1 —Si(—OCH 3 ) 2 (—CH═CH 2 ) in which b1 is a number of 0 to 100, (CH 2 ═CH—)(C 2 H 5 O—) 2 Si—O—[(CH 2 ═CH—)(C 2 H 5 O—)Si—O] b2 —Si(—OC 2 H 5 ) 2 (—CH═CH 2 ) in which b2 is a number of 0 to 100, or (CH 2 ═CH—)(C 3 H 7 O—) 2 Si—O—[(CH 2 ═CH—)(C 3 H 7 O—)Si—O] b3 —Si(—OC 3 H 7 ) 2 (—CH═CH 2 ) in which b3 is a number of 1 to 100. 
     
     
         16 . The base material for adhesion according to  claim 1 , wherein the solid body is made from silicone rubber or silicone resin. 
     
     
         17 . A silicone rubber-adhered article comprising;
 the base material for adhesion according to  claim 1 , and   an adhesive silicone rubber blanket made from polysiloxane, vinyl silicone and/or silanol silicone that is adhered to the surface of the substrate of the base material for adhesion.   
     
     
         18 . The silicone rubber-adhered article according to  claim 17 , wherein plural of the base material for adhesion are adhered through the adhesive silicone rubber blanket which is granular, textile, membranous, filmy or plate-like. 
     
     
         19 . The silicone rubber adhered article according to  claim 17 , wherein the polysiloxane is represented by H(CH 3 ) 2 SiO[SiH(CH 3 )O] c [Si(R 11 )R 12 O] d Si(CH 3 ) 2 H in which R 11  and R 12  are an alkyl group, an alkenyl group, an alkyloxy group or a fluoro-substituted alkyl group that respectively have 1 to 12 carbon atoms; an aralkyl group; an aryl group; or HSi(CH 3 ) 2 O—, c is a number of 1 to 80, and d is a number of 0 to 80,
 the vinyl silicone is represented by CH 2 ═CH(CH 3 ) 2 SiO[SiCH═CH 2 (CH 3 )O] e [Si(R 13 )R 14 O] f Si(CH 3 ) 2 CH═CH 2  in which R 13  and R 14  are an alkyl group, an alkenyl group, an alkyloxy group or a fluoro-substituted alkyl group that respectively have 1 to 12 carbon atoms; an aralkyl group; or an aryl group, e is a number of 1 to 80, and f is a number of 0 to 80, 
 the silanol silicone is represented by A-(CH 3 ) 2 SiO[Si(CH 3 ) 2 O] g  [Si(R 15 )R 16 O] h Si(CH 3 )— 2 -A in which R 15  and R 16  are an alkyl group, an alkenyl group, an alkyloxy group or a fluoro-substituted alkyl group that respectively have 1 to 12 carbon atoms; and aralkyl group; or an aryl group, A is hydroxyl group, an alkyloxy group, an alkenyloxy group, an aryloxy group, an acyloxy group that respectively have 1 to 4 carbon atoms, an iminooxy group, or an amino group, g is a number of 1 to 80, and h is a number of 0 to 80.