pmi foam has good application prospects and the competitive advantages of chinese enterprises continue to increase
pmi foam, also known as polymethacrylimide foam, is a closed-cell, rigid foam obtained by foaming a copolymer of methacrylic acid (maa) and methacrylonitrile (man). pmi foam is a new type of polymer structure foam material. its preparation process includes low-temperature bulk polymerization and high-temperature foaming method, reaction extrusion foaming method, etc. in addition to the…

