Coating composition, coating method, and coated article
AssigneesShin-Etsu Chemical Co., Ltd., Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
InventorsKazuyuki Matsumura, Masaaki Yamaya, Koichi Higuchi, Muneo Kudo, Yoshifumi Kato, Takashi Komori, Toshihisa Shimo
Life of this patent
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Abstract
A coating composition comprising the reaction product of a benzotriazole compound having a polymerizable vinyl group and a hydroxyl group with a silane compound and/or a (partial) hydrolyzate thereof is applied to plastic substrates, typically polycarbonate resin substrates to form transparent coatings having improved mar, weather and chemical resistance.
Claims12
A coating composition comprising
- (1) 0.1 to 100 parts by weight of a reaction product obtained by effecting addition reaction between a compound of the general formula (A):
- wherein R1 and R2 each are hydrogen, a halogen atom or alkyl group of 1 to 10 carbon atoms, R3 is a substituted or substituted divalent hydrocarbon group of 1 to 18 carbon atoms, R4 is hydrogen or an alkyl group of 1 to 4 carbon atoms, n is an integer of 0 to 2, and m is an integer of 1 to 3, and an amino group-containing organoxysilane of the general formula (B):
- (R5HN—R6)p—SiR7q(OR8)4−p−q
- wherein R5 is hydrogen or an alkyl group of 1 to 15 carbon atoms, R6 is a divalent hydrocarbon group of 1 to 15 carbon atoms or an amino group-containing divalent hydrocarbon group of 1 to 15 carbon atoms, R7 is an alkyl group or aryl group of 1 to 10 carbon atoms, R8 is hydrogen or a monovalent organic group of 1 to 10 carbon atoms, p is equal to 1 or 2, q is equal to 0 or 1, and p+q is equal to 1 or 2, and/or a (partial) hydrolyzate thereof,
- (2) 100 parts by weight of a silane compound of the general formula (C):
- R9rSiR7s(OR8)4−r−s
- wherein R9 is an alkyl group, aryl group, halogenated alkyl group, halogenated aryl group or alkenyl group of 1 to 10 carbon atoms, or an organic group having an epoxy, (meth)acryloxy, mercapto, amino or cyano group, R7 is an alkyl group or aryl group of 1 to 10 carbon atoms, R8 is hydrogen or a monovalent organic group of 1 to 10 carbon atoms, r and s each are equal to 0, 1 or 2, and r+s is equal to 0, 1 or 2, and/or a hydrolyzate thereof, and
- (3) 1 to 200 parts by weight of colloidal silica having a particle size of 1 to 100 nm.
A coating composition comprising
- (1) 0.1 to 100 parts by weight of a reaction product obtained by effecting addition reaction between a compound of the general formula (A):
- wherein R1 and R2 each are hydrogen, a halogen atom or alkyl group of 1 to 10 carbon atoms, R3 is a substituted or substituted divalent hydrocarbon group of 1 to 18 carbon atoms, R4 is hydrogen or an alkyl group of 1 to 4 carbon atoms, n is an integer of 0 to 2, and m is an integer of 1 to 3, and an amino group-containing organoxysilane of the general formula (B):
- (R5HN—R6)p—SiR7q(OR8)4−p−q
- wherein R5 is hydrogen or an alkyl group of 1 to 15 carbon atoms, R6 is a divalent hydrocarbon group of 1 to 15 carbon atoms or an amino group-containing divalent hydrocarbon group of 1 to 15 carbon atoms, R7 is an alkyl group or aryl group of 1 to 10 carbon atoms, R8 is hydrogen or a monovalent organic group of 1 to 10 carbon atoms, p is equal to 1 or 2, q is equal to 0 or 1, and p+q is equal to 1 or 2, and/or a (partial) hydrolyzate thereof,
- (2) 100 parts by weight of a silane compound of the general formula (C):
- R9rSiR7s(OR8)4−r−s
- wherein R9 is an alkyl group, aryl group, halogenated alkyl group, halogenated aryl group or alkenyl group of 1 to 10 carbon atoms, or an organic group having an epoxy, (meth)acryloxy, mercapto, amino or cyano group, R7 is an alkyl group or aryl group of 1 to 10 carbon atoms, R8 is hydrogen or a monovalent organic group of 1 to 10 carbon atoms, r and s each are equal to 0, 1 or 2, and r+s is equal to 0, 1 or 2, and/or a hydrolyzate thereof,
- (3) 1 to 200 parts by weight of colloidal silica having a particle size of 1 to 100 nm, and
- (4) a cohydrolyzate obtained by subjecting component (1) with a silane compound and/or a (partial) hydrolyzate thereof and component (2) and/or a hydrolyzate-thereof to cohydrolysis.
A coating composition comprising
- a co-hydrolyzate obtained by subjecting co-hydrolysis of
- (1) 0.1 to 100 parts by weight of a reaction product obtained by effecting addition reaction between a compound of the general formula (A):
- wherein R1and R2 each are hydrogen, a halogen atom or alkyl group of 1 to 10 carbon atoms, R3 is a substituted or unsubstituted divalent hydrocarbon group of 1 to 18 carbon atoms, R4 is hydrogen or an alkyl group of 1 to 4 carbon atoms, n is an integer of 0 to 2, and m is an integer of 1 to 3, and an amino group-containing organoxysilane of the general formula (B):
- (R5HN—R6)pSiR7q(OR8)4−p−q (B)
- wherein R5 is hydrogen or an alkyl group of 1 to 15 carbon atoms, R6 is a divalent hydrocarbon group of 1 to 15 carbon atoms or an amino group-containing divalent hydrocarbon group of 1 to 15 carbon atoms, R7 is an alkyl group or aryl group of 1 to 10 carbon atoms, R8 is hydrogen or a monovalent organic group of 1 to 10 carbon atoms, p is equal to 1 or 2, q is equal to 0 or 1, and p+q is equal to 1 or 2, and/or a (partial) hydrolyzate thereof, and
- (2) 100 parts by weight of a silane compound of the general formula (C):
- R9rSiR7s(OR8)4−r−s (C)
- wherein R9 is an alkyl group, aryl group, halogenated alkyl group, halogenated aryl group or alkenyl group of 1 to 10 carbon atoms, or an organic group having an epoxy, (meth)acryloxy, mercapto, amino or cyano group, R7 is an alkyl group or aryl group of 1 to 10 carbon atoms, R8 is hydrogen or a monovalent organic group of 1 to 10 carbon atoms, r and s each are equal to 0, 1 or 2, and r+s is equal to 0, 1 or 2, and/or a hydrolyzate thereof, and
- (3) 1 to 200 parts by weight of colloidal silica having a particle size of 1 to 100 nm.
A coating composition consisting essentially of
- (1) 0.1 to 100 parts by weight of a reaction product obtained by effecting addition reaction between a compound of the general formula (A):
- wherein R1 and R2 each are hydrogen, a halogen atom or alkyl group of 1 to 10 carbon atoms, R3 is a substituted or unsubstituted divalent hydrocarbon group of 1 to 18 carbon atoms, R4 is hydrogen or an alkyl group of 1 to 4 carbon atoms, n is an integer of 0 to 2, and m is an integer of 1 to 3, and an amino group-containing organoxysilane of the general formula (B):
- (R5HN—R6)p—SiR7q(OR8)r−p−q (B)
- wherein R5 is hydrogen or an alkyl group of 1 to 15 carbon atoms, R6 is a divalent hydrocarbon group of 1 to 15 carbon atoms or an amino group-containing divalent hydrocarbon group of 1 to 15 carbon atoms, R7 is an alkyl group or aryl group of 1 to 10 carbon atoms, R8 is hydrogen or a monovalent organic group of 1 to 10 carbon atoms, p is equal to 1 or 2, q is equal to 0 or 1, and p+q is equal to 1 or 2, and/or a (partial) hydrolyzate thereof,
- (2) 100 parts by weight of a silane compound of the general formula (C):
- R9rSiR7s(OR8)4−r−s (C)
- wherein R9 is an alkyl group, aryl group, halogenated alkyl group, halogenated aryl group or alkenyl group of 1 to 10 carbon atoms, or an organic group having an epoxy, (meth)acryloxy, mercapto, amino or cyano group, R7 is an alkyl group or aryl group of 1 to 10 carbon atoms, R8 is hydrogen or a monovalent organic group of 1 to 10 carbon atoms, r and s each are equal to 0, 1 or 2, and r+s is equal to 0, 1 or 2, and/or a hydrolyzate thereof, and
- (3) 1 to 200 parts by weight of colloidal silica having a particle size of 1 to 100 nm.
A coating composition consisting essentially of a co-hydrolyzate obtained by subjecting co-hydrolysis of
- (1) 0.1 to 100 parts by weight of a reaction product obtained by effecting addition reaction between a compound of the general formula (A):
- wherein R1 and R2 each are hydrogen, a halogen atom or alkyl group of 1 to 10 carbon atoms, R3 is a substituted or unsubstituted divalent hydrocarbon group of 1 to 18 carbon atoms, R4 is hydrogen or an alkyl group of 1 to 4 carbon atoms, n is an integer of 0 to 2, and m is an integer of 1 to 3, and an amino group-containing organoxysilane of the general formula (B):
- (R5HN—R6)p—SiR7q(OR8)4−p−q (B)
- wherein R5 is hydrogen or an alkyl group of 1 to 15 carbon atoms, R6 is a divalent hydrocarbon group of 1 to 15 carbon atoms or an amino group-containing divalent hydrocarbon group of 1 to 15 carbon atoms, R7 is an alkyl group or aryl group of 1 to 10 carbon atoms, R8 is hydrogen or a monovalent organic group of 1 to 10 carbon atoms, p is equal to 1 or 2, q is equal to 0 or 1, and p+q is equal to 1 or 2, and/or a (partial) hydrolyzate thereof, and
- (2) 100 parts by weight of a silane compound of the general formula (C):
- R9rSiR7s(OR8)4−r−s (C)
- wherein R9 is an alkyl group, aryl group, halogenated alkyl group, halogenated aryl group or alkenyl group of 1 to 10 carbon atoms, or an organic group having an epoxy, (meth)acryloxy, mercapto, amino or cyano group, R7 is an alkyl group or aryl group of 1 to 10 carbon atoms, R8 is hydrogen or a monovalent organic group of 1 to 10 carbon atoms, r and s each are equal to 0, 1 or 2, and r+s is equal to 0, 1 or 2, and/or a hydrolyzate thereof, and
- (3) 1 to 200 parts by weight of colloidal silica having a particle size of 1 to 100 nm.
A coating composition consisting essentially of
- (1) 0.1 to 100 parts by weight of a reaction product obtained by effecting addition reaction between a compound of the general formula (A):
- wherein R1 and R2 each are hydrogen, a halogen atom or alkyl group of 1 to 10 carbon atoms, R3 is a substituted or unsubstituted divalent hydrocarbon group of 1 to 18 carbon atoms, R4 is hydrogen or an alkyl group of 1 to 4 Carbon atoms, n is an integer of 0 to 2, and m is an integer of 1 to 3, and an amino group-containing organoxysilane of the general formula (B):
- (R5HN—R6)p—SiR7q(OR8)4−p−q (B)
- wherein R5 is hydrogen or an alkyl group of 1 to 15 carbon atoms, R6 is a divalent hydrocarbon group of 1 to 15 carbon atoms or an amino group-containing divalent hydrocarbon group of 1 to 15 carbon atoms, R7 is an alkyl group or aryl group of 1 to 10 carbon atoms, R8 is hydrogen or a monovalent organic group of 1 to 10 carbon atoms, p is equal to 1 or 2, q is equal to 0 or 1, and p+q is equal to 1 or 2, and/or a (partial) hydrolyzate thereof,
- (2) 100 parts by weight of a silane compound of the general formula (C):
- R9rSiR7s(OR8)4−r−s (C)
- wherein R9 is an alkyl group, aryl group, halogenated alkyl group, halogenated aryl group or alkenyl group of 1 to 10 carbon atoms, or an organic group having an epoxy, (meth)acryloxy, mercapto, amino or cyano group, R7 is an alkyl group or aryl group of 1 to 10 carbon atoms, R8 is hydrogen or a monovalent organic group of 1 to 10 carbon atoms, r and s each are equal to 0, 1 or 2, and r+s is equal to 0, 1 or 2, and/or a hydrolyzate thereof,
- (3) 1 to 200 parts by weight of colloidal silica having a particle size of 1 to 100 nm, and
- (4) 0.1 to 100 parts by weight of a mioroparticulate inorganic oxide containing at least one atom selected from the group consisting of titanium, cerium and zinc and capable of absorbing light having a wavelength of up to 400 nm.
A coating composition consisting essentially of
- a co-hydrolyzate obtained by subjecting co-hydrolysis of
- (1) 0.1 to 100 parts by weight of a reaction product obtained by effecting addition reaction between a compound of the general formula (A):
- wherein R1 and R2 each are hydrogen, a halogen atom or alkyl group of 1 to 10 carbon atoms, R3 is a substituted or unsubstituted divalent hydrocarbon group of 1 to 18 carbon atoms, R4 is hydrogen or an alkyl group of 1 to 4 carbon atoms, n is an integer of 0 to 2, and m is an integer of 1 to 3, and an amino group-containing organoxysilane of the general formula (B):
- (R5HN—R6)pSiRq(OR8)4−p−q (B)
- wherein R5 is hydrogen or an alkyl group of 1 to 15 carbon atoms, R6 is a divalent hydrocarbon group of 1 to 15 carbon atoms or an amino group-containing divalent hydrocarbon group of 1 to 15 carbon atoms, R7is an alkyl group or aryl group of 1 to 10 carbon atoms, R8 is hydrogen or a monovalent organic group of 1 to 10 carbon atoms, p is equal to 1 or 2, q is equal to 0 or 1, and p+q is equal to 1 or 2, and/or a (partial) hydrolyzate thereof, and
- (2) 100 parts by weight of a silane compound of the general formula (C):
- R9rSiR7s(OR8)4−r−s (C)
- wherein R9 is an alkyl group, aryl group, halogenated alkyl group, halogenated aryl group or alkenyl group of 1 to 10 carbon atoms, or an organic group having an epoxy, (meth)acryloxy, mercapto, amino or cyano group, R7 is an alkyl group or aryl group of 1 to 10 carbon atoms, R8 is hydrogen or a monovalent organic group of 1 to 10 carbon atoms, r and s each are equal to 0, 1 or 2, and r+s is equal to 0, 1 or 2, and/or a hydrolyzate thereof,
- (3) 1 to 200 parts by weight of colloidal silica having a particle size of 1 to 100 nm, and
- (4) 0.1 to 100 parts by weight of a microparticulate inorganic oxide containing at least one atom selected from the group consisting of titanium, cerium and zinc and capable of absorbing light having a wavelength of up to 400 nm.
Dependencies are inferred from the claim text.