NS-1埋地钢管外壁高压无气喷涂用无溶剂环氧涂料的制备

The Preparation of Non-solvent Epoxy Coatings for High-pressure Airless Spraying of NS-1 Buried Steel Tube Walls

介绍了埋地钢管外壁高压无气喷涂用无溶剂环氧涂料的制备工艺,并重点讨论了涂料颜基比及固化剂种类的筛选,同时详细阐述了配方助剂体系的优化过程,成功解决了无溶剂环氧涂料在一次成膜厚度较大时韧性和抗流挂性较差的问题。

This paper introduces the preparation of non-solvent epoxy coatings lbr high-pressure airless spraying of buried steel tube walls, and mainly discusses the best pigment-binder ratio of coatings and also screening of curing agent types, detailing the optimization process of the additives system. This test deals with the problem that the solvent-free epoxy coatings have relatively poor toughness and anti-flow resistance when the film is thick.