公开(公告)号：US20180186924A1

公开(公告)日：2018-07-05

申请号：US15736994

申请日：2016-06-16

Applicant: BASF SE

Inventor： Christiane GIESKER ,  Mark ELBING ,  Joerg KROGMANN ,  Patrick LAX

IPC: C08G18/76 ,  C08G18/42 ,  C08G18/32 ,  C08J9/12 ,  C08J9/08 ,  C08G18/48 ,  C08G18/40 ,  C08G18/66 ,  C08G18/36 ,  C08J9/14 ,  C08J9/00

CPC classification number: C08G18/7664 ,  C08G18/092 ,  C08G18/3206 ,  C08G18/36 ,  C08G18/4018 ,  C08G18/4288 ,  C08G18/4291 ,  C08G18/4816 ,  C08G18/4845 ,  C08G18/6696 ,  C08G2101/0025 ,  C08G2101/005 ,  C08G2101/0083 ,  C08G2330/00 ,  C08J9/0023 ,  C08J9/0038 ,  C08J9/08 ,  C08J9/125 ,  C08J9/141 ,  C08J9/147 ,  C08J2201/022 ,  C08J2203/02 ,  C08J2203/10 ,  C08J2203/14 ,  C08J2203/142 ,  C08J2203/204 ,  C08J2205/10 ,  C08J2375/04 ,  C08K5/11 ,  C08L75/04

Abstract: The present invention relates to a process for the production of a rigid polyurethane foam or rigid polyisocyanurate foam, comprising the reaction of at least one polyisocyanate and of a polyol composition (PZ), where the polyol composition (PZ) comprises at least one compound having at least two hydrogen atoms reactive toward isocyanate groups and at least one compound (I) selected from the group consisting of dicarboxylic diesters of dicarboxylic acids having from 2 to 18 C atoms and tricarboxylic triesters of tricarboxylic acids having from 3 to 18 C atoms, where at least one blowing agent is used during the reaction. The present invention further relates to rigid polyurethane foams or rigid polyisocyanurate foams obtainable or obtained by such a process, and also to a polyol composition (PZ) at least comprising one compound having at least two hydrogen atoms reactive toward isocyanate groups and at least one compound (I) selected from the group consisting of dicarboxylic diesters of dicarboxylic acids having from 2 to 18 C atoms and tricarboxylic triesters of tricarboxylic acids having from 3 to 18 C atoms. The present invention also relates to the use of such a polyol composition (PZ) for the production of rigid polyurethane foams or rigid polyisocyanurate foams, and also to the use of a rigid polyurethane foam or rigid polyisocyanurate foam of the invention as, or for the production of, insulation materials, preferably insulation sheets, sandwich elements, hot-water tanks, boilers, coolers, insulation foams, refrigerators or freezers.