Polyether/polyester type polyurethane material and process for preparing condom from it


Application Number: 00109920
Application Date: 2000.07.14
Publication Number: 1304944
Publication Date: 2001.07.25
Priority Information:
International: A61F6/04;B29D23/00;C08G18/42;C08G18/66;C08L71/00
Applicant(s) Name: Sichuan Univ
Address:
Inventor(s) Name: Zhong Yinping;He Chengsheng;Fan Cuirong
Patent Agency Code: 51202
Patent Agent: tang lirong
Abstract A process for preparing polyether/polyester-type polyurethane features the two-step polymerization of diisocyanate, polyether polyol, polyester polyol, chain-enlarging agent, lubricant and antioxidant. The condom is prepared through dissolving obtained polyurethane is mixed solvent, dipping the condom core die in it, drying and demoulding. Its advantages are simple process, short period, thin and comfortable products, no toxicity, high strength and flexibility and high thermal conductivity.