Low temperature stable polymethylene polyphenylene...

Details Low temperature stable polymethylene polyphenylene... Low temperature stable polymethylene polyphenylene...

C - Chemistry, Metallurgy

08

G

260/335, 403/45

C08G 18/79 (2006.01) C07D 229/00 (2006.01) C08G 18/00 (2006.01)

Patent

CA 1285956

LOW TEMPERATURE STABLE POLYMETHYLENE POLYPHENYLENE POLYISOCYANATES Abstract of the Disclosure Low temperature stable polymethylene polyphenylene polyisocyanates are composed of crude polymethylene poly- phenylene polyisocyanate containing from about 50 to about 80 percent by weight 2-ring diphenylmethane diisocyanate wherein from about 65 to about 93 weight percent of the 2-ring diisocyanate is 4,4'- and from about 7 to about 35 weight percent is 2,4'- and furthermore the composition contains from about 1 to about 5 weight percent carbo- diimide-uretonimine structure. The polyisocyanates are useful in preparing polyurethane foams.

500270

Affiliated with

Also associated with

Rating

Low temperature stable polymethylene polyphenylene... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Low temperature stable polymethylene polyphenylene..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Low temperature stable polymethylene polyphenylene... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1314827