Explore the unique advantages of polyurethane catalyst PC-77 in environmentally friendly polyurethane production

i. introduction: the rise of the polyurethane catalyst pc-77 in today’s era of increasing calls for environmental protection, industrial production is undergoing a profound green revolution. as a brilliant pearl in modern materials science, polyurethane materials have become one of the indispensable basic materials due to their excellent performance and wide application fields. however, the…