Process for preparing diamines

Details Process for preparing diamines Process for preparing diamines

1987-07-27

1990-03-06

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

564 56, 564 59, C07C12715, C07C12717

Patent

active

049067745

ABSTRACT:
Polyoxyalkylene diamine reaction products which contain as the principle reaction component, a diamine having the formula: ##STR1## wherein R' independently represents hydrogen or methyl and x is a number having an average value of at least 1 to about 60 and a diisocyanate of the formula: ##STR2## The products of the invention are obtained by reacting an excess of polyoxyalkylene diamine with a diisocyanate in the presence of a polar solvent and have the following general structures: ##STR3## where B is alkyl group from diisocyanates, and R' has the same meaning as above.
These products are further used to prepare coatings with improved properties by reacting said amine products with isocyanates prepolymers and epoxy material.

REFERENCES:
patent: 4261845 (1981-04-01), Cuscurida

Affiliated with

Also associated with

Rating

Process for preparing diamines 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 preparing diamines, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing diamines will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-48512