Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
253 words
A primer composition characterized by comprising: [A] a reaction product of: (1) a hydroxyl group-containing organic compound composed of; (a) an epoxy group-containing alcohol represented by the general formula [I]: ##STR6## wherein, R 1 is a hydrocarbon group having 1 to 15 carbon atoms, or an organic group in which the same or different hydrocarbon groups are bonded to each other by an ether bond or an ester bond; and each of m and n is a value of 1 or more; and (b) a hydroxyl group-containing (meth)acrylate represented by the formula [II]: (CH.sub.2 ═CR.sup.2 COO).sub.a R.sup.3 [II] wherein R 2 is a hydrogen atom or a methyl group; R 3 is a substituted or unsubstituted hydrocarbon group, or a group in which the same or different hydrocarbon groups are bonded to each other by ether bond or the ester bond, the R 3 being a-valent and having at least one hydroxyl group; and a is an integer of 1 to 3; an amount of active hydrogen atoms included in the aforesaid (a) being 25 to 75% with respect to the total amount of active hydrogen atoms included in the aforesaid (1), and (2) a polyisocyanate including 70 to 100% of the theoretical amount of isocyanato groups which will react with the total amount of the active hydrogen atoms included in the aforesaid (1); [B]an amino group-containing alkoxysilane or its partially hydrolyzed condensate having 0.5 to 1.5 amino active hydrogen atoms per epoxy group included in the aforesaid (1)(a); and [C] a diluent.
Claim 2
Dependent Claim
253 words
A primer composition characterized by comprising: [A] a reaction product of: (1) a hydroxyl group-containing organic compound composed of; (a) an epoxy group-containing alcohol represented by the general formula [I]: ##STR6## wherein, R 1 is a hydrocarbon group having 1 to 15 carbon atoms, or an organic group in which the same or different hydrocarbon groups are bonded to each other by an ether bond or an ester bond; and each of m and n is a value of 1 or more; and (b) a hydroxyl group-containing (meth)acrylate represented by the formula [II]: (CH.sub.2 ═CR.sup.2 COO).sub.a R.sup.3 [II] wherein R 2 is a hydrogen atom or a methyl group; R 3 is a substituted or unsubstituted hydrocarbon group, or a group in which the same or different hydrocarbon groups are bonded to each other by ether bond or the ester bond, the R 3 being a-valent and having at least one hydroxyl group; and a is an integer of 1 to 3; an amount of active hydrogen atoms included in the aforesaid (a) being 25 to 75% with respect to the total amount of active hydrogen atoms included in the aforesaid (1), and (2) a polyisocyanate including 70 to 100% of the theoretical amount of isocyanato groups which will react with the total amount of the active hydrogen atoms included in the aforesaid (1); [B]an amino group-containing alkoxysilane or its partially hydrolyzed condensate having 0.5 to 1.5 amino active hydrogen atoms per epoxy group included in the aforesaid (1)(a); and [C] a diluent.
Claim 3
Dependent Claim
12 words
The primer composition according to claim 1, wherein said (2) is glycidol.
Claim 4
Dependent Claim
19 words
The primer composition according to claim 1, wherein the R 1 in said (a) is an aliphatic hydrocarbon group.
Claim 5
Dependent Claim
20 words
The primer composition according to claim 1, wherein said (b) is a (meth)acrylate having one hydroxyl group in its molecule.
Claim 6
Dependent Claim
15 words
The primer composition according to claim 1, wherein said [B] is an amino group-containing alkoxysilane.
Claim 7
Dependent Claim
12 words
The primer composition according to claim 5, wherein said [B] is N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane.
Claim 8
Dependent Claim
24 words
The primer composition according to claim 1, wherein said composition has a viscosity of 10,000 cP or less at a temperature of 25° C.
Claim 9
Dependent Claim
24 words
The primer composition according to claim 7, wherein said composition has a viscosity of 1,000 cP or less at a temperature of 25° C.