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1. A member for a vehicle, wherein the member is equipped with a resinous substrate, and a protective film being formed on at least a part of a surface of the resinous substrate; and
said protective film is made by curing a coating-agent composition containing:
Component (A) in an amount of from 99 to 65 parts by mass;Component (B) in an amount of from 1 to 35 parts by mass;a radical-polymerization initiator serving as Component (C) in an amount of from 0.1 to 10 parts by mass;an ultraviolet absorber serving as Component (D) in an amount of from 1 to 12 parts by mass; andan organic solvent serving as Component (E) in an amount of from 10 to 1,000 parts by mass;with respect to a sum of said Component (A) and said Component (B) being taken as 100 parts by mass;wherein Component (A) comprises a mixture of isocyanuric ring-containing (meth)acrylates, the mixture being constituted of a urethane adduct compound (a1) and a tri(meth)acrylate compound (a2);the urethane adduct compound (a1) being obtained by an addition reaction of a hydroxide group-containing di(meth)acrylate compound, which is expressed by 1 Formula (1), and an isocyanate compound, which has two or more isocyanate groups within the molecule;the tri(meth)acrylate compound (a2) being expressed by following Formula (2); wherein in Formula (1), each of R1, R2 and R3 expresses a divalent organic group whose number of carbon atoms is from 2 to 10 independently; each of R4 and R5 expresses a hydrogen atom or a methyl group independently; each of n1, n2 and n3 expresses a number of from 1 to 3 independently; and n1+n2+n3=from 3 to 9; wherein in Formula (2), each of R6, R7 and R8 expresses a divalent organic group whose number of carbon atoms is from 2 to 10 independently; each of R9, R10 and R11 expresses a hydrogen atom or a methyl group independently; each of n4, n5 and n6 expresses a number of from 1 to 3 independently; and n4+n5+n6=from 3 to 9; Component (B) comprises an involatile component in reaction products being made by reacting an alkoxysilane compound (b1), which is expressed by Formula (3), with a colloidal silica (b2), in a mass ratio of from 9:1 to 1:9 between (b1) and (b2), the involatile component involving those in which (b2) is modified chemically with (b1);
(P—SiO3/2)(O1/2R12)z (3) wherein in Formula (3), “P” expresses a group being expressed by Formula (4); R12 expresses a hydrogen atom or a monovalent organic group; and “z” expresses a positive number of from 0.1 or more to 3 or less; moreover, when “z” is less than 3, (b1) involves a condensate, and each of “P” and R12 may even involve two or more types of distinct groups within a molecule in the condensate; wherein in Formula (4), each of R13 and R14 expresses a hydrogen atom, an alkyl group, an alkenyl group or an aryl group independently, or alternatively expresses a hydrocarbon group in which R13 and R14 are unified to form a five-membered ring or a six-membered ring; and R15 expresses a divalent saturated hydrocarbon group whose number of carbon atoms is from 1 to 6. |
