Chain-extending agent for ordinary-temp quick solidification of Medical polyurethane elastomer


Application Number: 00113267
Application Date: 2000.02.02
Publication Number: 1273977
Publication Date: 2000.11.22
Priority Information:
International: C08G18/18
Applicant(s) Name: National Defence Science and Technology Univ., P. L. A.
Address:
Inventor(s) Name: Li Xiaodong;Peng Ping;Yue Manjun
Patent Agency Code: 43008
Patent Agent: zhao hong
Abstract A chain-extending agent for ordinary-temp quick solidification aof medical polyurethane elastomer is disclosed. The aliphatic polyol (15-35%) and mixed catalyst system prepared from one of mixed catalysts of amines and metal salts and 2-3 other catalysts are dissolved in votatile solvent. Its advantages include no poison, no carcinogensis, high flesibility and stability and high strength.