Thermosetting polyurethane compositions

Details Thermosetting polyurethane compositions Thermosetting polyurethane compositions

1979-10-03

1981-03-10

Welsh, Maurice J.

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...

C08G 1832

Patent

active

042555523

ABSTRACT:
Improved thermoset or vulcanized polyurethane elastomers are obtained by adding to liquid polyurethane reactants, prior to reaction to form the polyurethane, organic peroxides having a half-life value of greater than one hour at 100.degree. C. Such mixtures may be heated to form the polyurethane article and thereafter thermoset or vulcanized, or the polyurethane containing the unactivated peroxide may be provided in sheet, crumbs, granules or otherwise and then formed and heated to thermoset or vulcanize the polyurethane.

REFERENCES:
patent: 3211700 (1965-10-01), Weisfeld
patent: 3230199 (1966-01-01), Muhlhausen et al.
patent: 3577389 (1971-05-01), Kuhar
patent: 3644569 (1972-02-01), Pietsch et al.

Affiliated with

Also associated with

Rating

Thermosetting polyurethane compositions does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Thermosetting polyurethane compositions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Thermosetting polyurethane compositions will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1295127