Matt coating composition for electrolyte-resistant colored aluminum plastic film

The invention provides a matte coating composition for an electrolyte-resistant colored aluminum plastic film, the matte coating composition comprises a main agent and a curing agent, the main agent comprises the following components in percentage by weight based on the total weight of the main agent: 15-25% of modified epoxy resin, 5-25% of polyimide, 3-6% of filler, 2-4% of dispersant and 40-75% of solvent; the curing agent is an amine curing agent. Compared with the prior art, the coating composition disclosed by the invention has the following beneficial effects: 1, the electrolyte corrosion resistance is high; 2, solvent scrubbing resistance is high; 3, the punching and stretching performance of the colored aluminum plastic film is not influenced; 4, the strength is high; and 5, the matte property is good, and rolling and packaging are easy. 本发明提供了一种耐电解液的着色铝塑膜用哑光涂层组合物，由主剂和固化剂组成，其中，以占所述主剂总量的重量百分比含量计，所述主剂包括如下各组分：改性环氧树脂15％-25％，聚酰亚胺5％-25％，填料3％-6％，分散剂2％-4％，溶剂40-75％；所述固化剂采用胺类固化剂。与现有技术相比，本发明的涂层组合物具有以下有益效果：1、耐电解