COPOLYMERS IN SILICON POLYETER BLOCKS WITH HIGH MOLECULAR WEIGHT POLYETER RADICALS, PROCESS FOR THEIR PREPARATION, COMPOSITIONS CONTAINING THESE COPOLYMERS, POLYURETHANE FOAM AND ARTICLE

摘要

Copolymers in silicon polyester blocks with high molecular weight polyester radicals, process for their preparation, compositions containing said copolymers, use of polyolethane foams and articles silicone, comprising; a polyorganosiloxane having at least one polyether radical, wherein the copolymer is characterized by the fact that at least one polyether radical is present having a molecular weight greater than 5000 g / mol and the molecular weight of The average weight of all polyether radicals chemically bound to polyorganosiloxane is greater than 3000 g / mol, their production and use, as well as the compositions produced with it and polymeric articles.