invisible car clothing is made of thermoplastic polyurethane film
2023-01-14
the material of the invisible car clothing is thermoplastic polyurethane film (tpu). the thermoplastic polyurethane film is an (ab) n-type block linear polymer. a is a high molecular weight (1000~6000) polyester or polyether, and b is a polyester or polyether containing 2 a diol with ~12 linear carbon atoms, the chemical structure between ab segments is diisocyanate. thermoplastic poly...