Solvent-free epoxy anticorrosion paint with corrosion restoration function and preparation method thereof

具有腐蚀修复功能的无溶剂环氧防腐涂料及制备方法

Abstract

本发明提供的是一种具有腐蚀修复功能的无溶剂环氧防腐涂料及制备方法。包括甲、乙两种组分。甲组分按重量分数计的组成为:环氧树脂30~100、活性稀释剂0~30、修复性复合填料1~20、颜料1~10、填料20~50、消泡剂0.1~5、分散剂3~10、流平剂0.1~3;乙组分按重量分数计的组成为:胺类固化剂0.5~100、活性稀释剂0.5~20。本发明的具有腐蚀修复功能的无溶剂环氧防腐涂料可应用于输水管道、钢制及铝质船舶、桥梁、海上石油平台、码头设施、飞机蒙皮等设施及部位上,不但具有很强的防腐蚀性能和抗溶液渗透性能,还具有对划痕、刮伤等缺陷部位的修复作用,并能够在涂层使用过程中对出现防腐性能恶化的涂层及涂层下金属进行修复。
The invention provides a solvent-free epoxy anticorrosion paint with the corrosion restoration function and a preparation method thereof. The paint comprises a component A and a component B, wherein the component A comprises, by weight, 30-100 parts of an epoxy resin, 0-30 parts of an active diluent, 1-20 parts of a restoration composite filler, 1-10 parts of a pigment, 20-50 parts of a filler, 0.1-5 parts of an antifoaming agent, 3-10 parts of a dispersant and 0.1-3 parts of a leveling agent; and the component B comprises, by weight, 0.5-100 parts of an amine curing agent and 0.5-20 parts of the active diluent. The solvent-free epoxy anticorrosion paint with the corrosion restoration function of the invention, which can be applied to facilities and parts of water conveying pipelines, steel and aluminum ships, bridges, offshore petroleum platforms, wharf facilities, airplane sheathes and the like, has a strong anticorrosion performance and a solution penetration resistance, has a restoration effect on defect parts of scores, scratches and the like, and can restore anticorrosion-deteriorated coatings and metals under the coatings when the coatings are used.

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