Application of thermal-sensitive catalyst SA-102 in outdoor polyurethane products

application of thermosensitive catalyst sa-102 in outdoor polyurethane products 1. introduction polyurethane (pu) is a polymer material widely used in the fields of construction, automobile, furniture, shoe materials, etc. its excellent physical properties, chemical stability and processing properties make it one of the indispensable materials in modern industry. however, when used outdoors, polyurethane products often face challenges such as ultraviolet rays, temperature changes, and humidity, resulting…