Surfactant for polyisocyanurate foams made with alternative blow

Details Surfactant for polyisocyanurate foams made with alternative blow Surfactant for polyisocyanurate foams made with alternative blow

1993-10-25

1994-05-03

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521155, 521902, C08J 900

Patent

active

053088816

ABSTRACT:
A closed cell, rigid polyisocyanurate foam which comprises the reaction product of a polyisocyanate and a polyol in the presence of (a) a hydrogen-containing blowing agent or a mixture of a hydrogen-containing blowing agent and at least one co-blowing agent, and (b) a siloxane oxyalkylene copolymer (i) having a molecular weight below about 7500 and an oxyalkylene portion containing greater than 60 weight percent of oxyethylene units and (ii) being prepared by the reaction of an organohydrogensiloxane with a polyoxyalkylene in an essentially solventless system or in the presence of a high boiling point polar polyol.

REFERENCES:
patent: 4636529 (1987-01-01), Crooker
patent: 4847398 (1989-07-01), Mehta et al.
patent: 4857583 (1989-08-01), Austin et al.
patent: 5124366 (1992-06-01), Gluck et al.
patent: 5159096 (1992-10-01), Austin et al.

Affiliated with

Also associated with

Rating

Surfactant for polyisocyanurate foams made with alternative blow does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Surfactant for polyisocyanurate foams made with alternative blow, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Surfactant for polyisocyanurate foams made with alternative blow will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2115389