Chenhua won an invention patent that can improve the quality of polyurethane foam and reduce costs

Latest News: Chenhua announced at noon on July 25 that the company recently obtained an invention patent issued by the State Intellectual Property Office, the name of the invention is a phthalic anhydride diisopropanolamide and its preparation Method and phthalic anhydride diisopropanolamide polyurethane foam and preparation method thereof. The announcement shows that the use of…