Patent ID: 8980422
Filing Date: 2015-03-17
Classification: B32B,C08G,C08J,Y10T

Abstract:
1. A polyurethane/polyisocyanurate foam obtained from the reaction of A) a polyol component comprising with B) a polyisocyanate component, wherein the equivalent ratio of NCO groups to the sum of the hydrogen atoms reactive towards NCO groups is from ≧110:100 to≦200:100 and components A1) and A3) are present in a weight ratio of from<=4:1 to<=8:1 relative to one another and wherein in the polyol component A), components A1) and A2) are present in a weight ratio of from ≧1:1 to ≦3:1 relative to one another and/or components A2) and A3) are present in a weight ratio of from ≧2:1 to ≦4:1 relative to one another.