Patent ID: 9376564
Filing Date: 2016-06-28
CPC Classification: C08G,C08L

Claim Text:
1. A potting compound based on polyisocyanurate and on polyurethane, wherein the polyurethane and polyisocyanurate are obtained from a reaction mixture consisting of A) one or more polyisocyanates, B) one or more polyols, C) one or more polyepoxides, D) one or more latent catalysts and E) optionally additives, and F) optionally fillers, wherein the reaction mixture without fillers has a viscosity at 25° C. of 50 to 400 mPas, measured to DIN EN ISO 1342, a ratio of the number of NCO groups in component A) to the number of OH groups in component B) of 11:1 to 14:1, a ratio of the number of NCO groups in component A) to the number of epoxy groups in component C) of 7:1 to 15:1, and a ratio of the number of epoxy groups in component C) to the number of moles of latent catalyst in component D) of 3:1 to 10:1.