abstract |
The invention discloses a kind of water pressure resistance polyurethane loomage coating adhesive, raw material includes:Polytetrahydrofuran diol, isophorone diisocyanate, carborane glycol, stannous octoate, organic siliconresin, aminopropyl trimethoxysilane, adhesion promoter, agent for polyacrylic acid thickening, high-carbon alcohol defoaming agent, curing agent, propylene glycol methyl ether acetate.The present invention also proposes the preparation method of water pressure resistance polyurethane loomage coating adhesive, includes the following steps:Polytetrahydrofuran diol, isophorone diisocyanate, carborane glycol, stannous octoate are added to react in solvent, prefabricated material A is made;Organic siliconresin is added, prefabricated material B is made in aminopropyl trimethoxysilane reaction;Adhesion promoter, polyurethanes thickener, dimethyl silicone polymer, di-2-ethylhexylphosphine oxide hexamethylene alkanamine, propylene glycol methyl ether acetate mixing is added, water pressure resistance polyurethane loomage coating adhesive is made.The water-fast and excellent in mechanical performance of coating adhesive of the present invention. |