A curable coating composition is composed of
(A) 100 parts by weight of an acryloyl- or methacryloyl-oxyalkyl cyanurate or isocyanurate compound of the following formula (I) or (l)
wherein X', X2 and X3 represent hydrogen, C1-C4 alkyl, acryloyl or methacryloyl such that at least two of X1, X2 and X3 are selected from acryloyl or methacryloyl and R1, R2 and R3 represent oxyalkylene or poly(oxyalkylene),
(B) more than 0 to 1,000 parts by weight of (b,) a polyacrylate or polymethacrylate with a number average molecular weight of 240 to 3,000 of an oxy- or polyoxyalkanepolyol containing 1 or more ether linkages and 3 or more hydroxyl groups per molecule, or (b2) a poly(meth)acrylate of an alkanepolyol having 4 or more hydroxyl groups per molecule,
(C) 0.01 to 20 parts by weight, per 100 parts by weight of the components (A) and (B), of a polymerization initiator capable of curing said components, and
(D) 0 to 200 parts by weight per 100 parts by weight of the components (A) and (B), of an inorganic solid filler. The composition can be used to coat plastics, metallic or ceramic articles.
可固化涂层组合物由以下成分组成
(A) 100 份重量的
丙烯酰基或甲基
丙烯酰基氧基烷基
氰尿酸酯或异
氰尿酸酯下式 (I) 或 (l) 化合物
其中 X'、X2 和 X3 代表氢、C1-C4 烷基、
丙烯酰基或甲基
丙烯酰基,这样 X1、X2 和 X3 中至少有两个选自
丙烯酰基或甲基
丙烯酰基,R1、R2 和 R3 代表氧亚烷基或聚氧亚烷基、
(B) 0 至 1,000 份(按重量计)以上的(b,)聚
丙烯酸酯或聚
甲基丙烯酸酯,其平均 分子量为 240 至 3,000 份,该聚
丙烯酸酯或聚
甲基丙烯酸酯为含 1 个或更多醚键且 每分子含 3 个或更多羟基的氧基或聚氧烷多元醇,或(b2)每分子含 4 个或更多羟基 的烷多元醇的聚(甲基)
丙烯酸酯、
(C) 按每 100 份组分(A)和(B)的重量计,加入 0.01 至 20 份可固化上述组分的聚合
引发剂,以及
(D) 以每 100 份组分(A)和(B)的重量计,0 至 200 份无机固体填料。该组合物可用于塑料、
金属或陶瓷制品的涂层。