Process for preparing epoxy modified acrylic acid-polyurethane emulsion and water-soluble polyurethane paint


Application Number: 00111085
Application Date: 2000.04.27
Publication Number: 1320669
Publication Date: 2001.11.07
Priority Information:
International: C09D175/04
Applicant(s) Name: Shandong Polytechnical Univ
Address:
Inventor(s) Name: Wu Youshi;Shi Yuanchang;Wu Si
Patent Agency Code: 37205
Patent Agent: geng qiangzhang
Abstract An epoxy modified acrylic acid-polyurethane emulsion is prepared through the copolymerization of the hydroxy-containing compound (polyester or polyether, triglycol, epoxy resin, hydroxyethyl acrylate, or DMPA) with isocyanate-containing compound (toluene diisocyanate) in the presence of mixed catalyst (tin dibutyl dilaurate) and initiator (ammonium persulfate) while dropwise adding phenylethylene, butyl acrylate and acrylic acid, and adding triethylamine to obtain high-performance said emulsion. If relative assistant is added to it, a water-soluble polyurethane paint is obtained, which features excellent adhesion, toughness, antiwear nature, brightness and hardness.