Related introduction and advantages of water-based polyurethane

polyurethane fromit began to develop in the 1930s, and the research on water-based polyurethane began in the 1940s. in 1942, p. schlack of germany successfully developed a polyurethane emulsion by dispersing diisocyanate in water and adding diamine through vigorous stirring in the presence of emulsifier and protective glue. in 1953, wyandott of dupont company dispersed…