A polysiloxane block copolymer and of polyalkylene and its application to the stabilization of a flexible foam polyurethane

摘要

Cyano-modified polysiloxane-polyoxyalkylene block copolymers that contain a trifunctional RSiO3/2 siloxy unit, as well as, a process for producing flexible polyether urethane foam wherein said copolymers are employed as the foam stabilizing component.