Optimization of radiation transparency of polyurethane catalyst PC41 in orthopedic brace X-ray penetrating materials

optimization of radiation transparency of polyurethane catalyst pc41 in orthopedic brace x-ray penetrating materials 1. introduction: why do we need “invisible” orthopedic braces? in the medical field, orthopedic braces are an indispensable auxiliary tool. whether it is fracture fixation or postoperative rehabilitation, they can provide stable support and protection for patients. however, traditional orthopedic braces…