公开(公告)号：US4157994A

公开(公告)日：1979-06-12

申请号：US833770

申请日：1977-09-16

申请人： Stuart M. Totty ,  James A. Meier

发明人： Stuart M. Totty ,  James A. Meier

IPC分类号： C08F20/00 ,  C08F20/26 ,  C08F212/00 ,  C08G12/42 ,  C08L25/00 ,  C08L33/00 ,  C08L33/02 ,  C08L33/04 ,  C08L59/00 ,  C08L61/20 ,  C09D125/00 ,  C09D125/06 ,  C09D133/02 ,  C09D133/04 ,  C09D133/06 ,  C09D133/20 ,  C09D161/20

CPC分类号： C09D133/066 ,  C08G12/427 ,  C09D125/06 ,  C09D133/20 ,  C08L61/20

摘要： A water-reducible acrylic enamel coating composition capable of being substantially completely cured at a relatively low temperature, such as about 250.degree. F. and containing a water-miscible partially etherified melamine formaldehyde cross-linking agent and an acrylic copolymerization product of about 3% to about 8% of an unsaturated carboxylic acid, about 10% to 30% of a hydroxy functional monomer and about 62% to 87% of a nonfunctional monomer. The acrylic copolymer is further characterized as having a glass transition temperature of about -10.degree. C. to 45.degree. C. and a molecular weight of about 2,000 to about 100,000. The aminoplast resin preferably is only partially etherified and contains about 10% to about 30% by weight reactive methylol groups.

摘要翻译： 一种可水稀释的丙烯酸搪瓷涂料组合物，其能够在比较低的温度例如约250°F下基本上完全固化，并含有水混溶的部分醚化的三聚氰胺甲醛交联剂和约3％ 至约8％的不饱和羧酸，约10％至30％的羟基官能单体和约62％至87％的非官能单体。 丙烯酸共聚物的特征还在于具有约-10℃至45℃的玻璃化转变温度和约2,000至约100,000的分子量。 氨基塑料树脂优选仅部分醚化并且含有约10重量％至约30重量％的反应性羟甲基。