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Graft copolymer of polyamide and a glycidyl group-containing acrylate copolymer,process for preparation and coating composition containing the graft copolymer
Graft copolymer of polyamide and a glycidyl group-containing acrylate copolymer,process for preparation and coating composition containing the graft copolymer
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机译:聚酰胺与含缩水甘油基的丙烯酸酯共聚物的接枝共聚物,制备方法及含有该接枝共聚物的涂料组合物
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摘要
A graft copolymer comprising a polyamide to which is grafted a glycidyl group-containing acrylate copolymer. The graft copolymer can be prepared by dispersing in an organic solvent a polyamide and a material which will react with the polyamide to form the graft copolymer of the polyamide and the acrylate copolymer and reacting the polyamide and the material so as to form said graft copolymer. The graft copolymer can exhibit improved toughness and reduced friability and can be used to form molded articles and in coating compositions, especially powder coating compositions. The coatings can exhibit transparency, reduced brittleness and increased chip resistance. The powder coatings can further exhibit high gloss and smoothness due to superior flow characteristics thereby enabling thinner coatings to be used that provide acceptable appearance.
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