Urea and biuret liquid prepolymers of MDI

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

528 61, 528 65, 528 75, 528 76, 528 84, 528 85, 521159, 521160, 521163, C08G 1810, C08G 1830

Patent

active

054281245

ABSTRACT:
Storage stable, liquid prepolymers of diphenylmethane diisocyanate containing urea and/or biuret groups are prepared by reacting an aminocrotonate with a mixture of isocyanates having a specified diphenylmethane diisocyanate isomer content. These prepolymers have isocyanate group contents of from about 5 to about 30%.

REFERENCES:
patent: 3666726 (1972-05-01), Grogler et al.
patent: 3862973 (1975-01-01), Dietrich et al.
patent: 4618706 (1986-10-01), Scholl et al.
patent: 5098984 (1992-03-01), Mafoti
patent: 5151470 (1992-09-01), Sanders et al.
patent: 5198522 (1993-03-01), Steppan et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Urea and biuret liquid prepolymers of MDI does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Urea and biuret liquid prepolymers of MDI, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Urea and biuret liquid prepolymers of MDI will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-288335

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.