C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
403/41, 403/44
C08G 18/76 (2006.01) C08G 18/48 (2006.01) C08G 18/14 (1980.01)
Patent
CA 1115900
Mo-1780-JG LeA 17,468 LeA 17,964 PROCESS FOR THE PRODUCTION OF COLD SETTING FOAMS WHICH CONTAIN URETHANE GROUPS ABSTRACT OF THE DISCLOSURE The instant invention is directed to a process for the production of cold setting, flexible foams which contain urethane groups by the reaction of polyethers with a molecular weight of 400 to 10,000 which contain at least two hydroxyl groups and in which at least 10% by weight of the hydroxyl groups are primary hydroxyl groups, with a mixture of diphenyl methane diisocyanates and oligomeric polyphenyl-polymethylene polyisocyanates in the presence of blowing agents and optionally in the presence of catalysts and other foaming aids, the improvement wherein the mixture of diphenylmethane diisocyanates and polyphenyl-polymethylene polyisocyanate mixtures contains from 60 to 90% by weight of 4,4'-diphenylmethane diisocyanate and from 3 to 30% by weight of 2,4'-diphenylmethane diisocyanate. LeA 17,468
289078
Hauptmann Gunter
Ick Jurgen
K"onig Klaus
Meiners Hans J.
Oertel Gunter
Aktiengesellschaft Bayer
Sherman
LandOfFree
Process for the production of cold setting foams which... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for the production of cold setting foams which..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the production of cold setting foams which... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-22075