首页> 外国专利> CURABLE COATING COMPOSITIONS HAVING IMPROVED COMPATIBILITY AND SCRATCH AND MAR RESISTANCE, CURED COATED SUBSTRATES MADE THEREWITH AND METHODS FOR OBTAINING THE SAME COATING

CURABLE COATING COMPOSITIONS HAVING IMPROVED COMPATIBILITY AND SCRATCH AND MAR RESISTANCE, CURED COATED SUBSTRATES MADE THEREWITH AND METHODS FOR OBTAINING THE SAME COATING

机译:具有改善的相容性,耐刮擦性和耐擦伤性的可固化涂层组合物,由此制成的可固化涂层基体以及获得相同涂层的方法

摘要

The invention provides coating compositions having improved scratch and mar resistance. The curable coating compositions of the invention comprise a film-forming component (A) comprising one or more active hydrogen containing components (a), and one or more curing agents (b) comprising at least one aminoplast resin (bi) having from 0.5 to 3.5 moles of NH per mole of aminoplast resin (bi), a blocked acid catalyst (B) having a blocking agent which is not a tertiary amine, and a tertiary amine (C) present in an amount equal to 10 to 150% by weight of the blocking agent. The invention further provides a method of making cured coated substrates having improved scratch and mar resistance as well as a method of making multilayer coating compositions.
机译:本发明提供了具有改善的耐划伤性和耐擦伤性的涂料组合物。本发明的可固化涂料组合物包含包含一种或多种含活性氢的组分(a)的成膜组分(A)和包含至少一种具有0.5至0.5的氨基塑料树脂(bi)的一种或多种固化剂(b)。每摩尔氨基塑料树脂(bi)3.5摩尔NH,具有不是叔胺的嵌段剂的嵌段酸催化剂(B)和叔胺(C)的含量为10-150%重量封闭剂。本发明进一步提供了一种制备具有改进的耐划伤性和耐擦伤性的固化的涂覆基材的方法,以及一种制备多层涂料组合物的方法。

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