Leverkusen, Germany -- Bayer MaterialScience (BMS) has filed an application with the World Intellectual Property Office for a polyurethane with long-term resistance to hydrolysis.
Aimed at prolonging the life of polyurethane in goods including footwear, automotive and furniture applications, BMS claims the process involving the reaction of components including perchlorates and a polyester polyol.
According to the filing, “..the present invention further relates to soles, carpets, rollers, sealing strips, coating, tires, wipers, steering wheels or gaskets
It goes on: “...However, the ester bonds within the polyester polyurethane material structure are apt to hydrolyse, due to unavoidable exposure to moisture or direct contact with water during life cycle time, thus leading to cleavage of ester bonds and gradual or even complete physical properties loss of materials.”
Details of the innovation BMS seeks to protect were published on 31 July, 2014 under publication number WO2014114614 A1. The company filed the application on 21 January, 2014.