Catalysts for extending the shelf life of formulations for produ

Details Catalysts for extending the shelf life of formulations for produ Catalysts for extending the shelf life of formulations for produ

1992-02-10

1993-02-02

Foelak, Morton

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

502167, 521 78, 521 79, 521131, 521129, C08K 300

Patent

active

051835835

ABSTRACT:
The present invention relates to an improved process for producing, by means of a portable foaming apparatus having a static mixer, a polyurethane foam by reacting a reaction mixture comprised of a polyol, an organic isocyanate, a foaming/frothing agent, and a reaction catalyst, the improvement comprising employing monochlorodifluoromethane as at least a portion of said blowing/frothing agent in said reaction and employing an acid-blocked amine catalyst as at least a portion of said reaction catalyst in order to produce a CFC-free essentially closed-cell rigid or simi-rigid polyurethane foam.

REFERENCES:
patent: 3286992 (1966-11-01), Armeniades
patent: 3541023 (1970-11-01), Cole, III
patent: 3769232 (1973-10-01), Houldrige
patent: 3882052 (1975-05-01), Raynor et al.
patent: 5032623 (1991-07-01), Keske et al.

Affiliated with

Also associated with

Rating

Catalysts for extending the shelf life of formulations for produ does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Catalysts for extending the shelf life of formulations for produ, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Catalysts for extending the shelf life of formulations for produ will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-5674