公开(公告)号：US20180346636A1

公开(公告)日：2018-12-06

申请号：US15771533

申请日：2016-10-26

Applicant: BASF SE

Inventor： Sebastian KOCH ,  Michele GATTI ,  Mark ELBING ,  Christian KOENIG ,  Johann KLASSEN

IPC: C08G18/48 ,  C08G18/76 ,  C08G18/50 ,  C08G18/18 ,  C08J9/14 ,  F16L59/00

Abstract: A polyol component b) comprising: 20 to 40 wt % of polyetherester polyols B) having a functionality of 3.8 to 4.8, an OH number of 380 to 440 mg KOH/g and a fatty acid and/or fatty acid ester content of 8 to 17 wt %, based on the weight of polyetherester polyols B); 20 to 40 wt % of polyether polyols C) having a functionality of 3.7 to 4 and an OH number of 300 to 420 mg KOH/g; 20 to 40 wt % of one or more polyether polyols D) having a functionality of 4.5 to 6.5 and an OH number of 400 to 520 mg KOH/g; 0.5 to 5.5 wt % of catalysts E), 0.1 to 5 wt % of further auxiliaries and/or added-substance materials F), 0.5 to 5 wt % of water G); and also rigid polyurethane foams obtained therewith and use thereof for insulation and refrigeration applications.