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    • 44. 发明授权
    • Primer composition
    • 底漆组成
    • US4543404A
    • 1985-09-24
    • US644694
    • 1984-08-27
    • Shunji SuganoKoichi HagiwaraIsao MiuraAkira Honto
    • Shunji SuganoKoichi HagiwaraIsao MiuraAkira Honto
    • B32B17/10C08G18/58C08G18/67C08G18/83C09J5/02C08G77/04
    • C09J5/02B32B17/10688B32B17/10733C08G18/58C08G18/672C08G18/837C09J2400/146
    • There is disclosed a primer composition 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]: ##STR1## wherein, R.sup.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 .dbd.CR.sup.2 COO).sub.a R.sup.3 [II] wherein R.sup.2 is a hydrogen atom or a methyl group; R.sup.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.sup.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.
    • 公开了一种底漆组合物,其包含[A]反应产物:(1)由以下组成的含羟基的有机化合物: (a)由通式[I]表示的含环氧基的醇:其中R1是具有1至15个碳原子的烃基,或其中相同或不同的烃基的有机基团 通过醚键或酯键彼此键合; 并且m和n中的每一个是1或更大的值; 和(b)由式[II]表示的含羟基的(甲基)丙烯酸酯:(CH2 = CR2COO)aR3 [II]其中R2是氢原子或甲基; R3是取代或未取代的烃基,或其中相同或不同的烃基通过醚键或酯键彼此键合的基团,R3是a价并且具有至少一个羟基; a为1〜3的整数。 上述(a)中包含的活性氢原子数相对于上述(1)中包含的活性氢原子的总量为25〜75%,(2)包含理论值的70〜100%的多异氰酸酯 将与前述(1)中包括的活性氢原子的总量反应的异氰酸酯基的量; [B]上述(1)(a)中所含的含有氨基的烷氧基硅烷或其部分水解缩合物,每个环氧基具有0.5〜1.5个氨基活性氢原子; 和[C]稀释剂。