Modified polyurethane foams containing imide groups

Details Modified polyurethane foams containing imide groups Modified polyurethane foams containing imide groups

1974-12-10

1976-01-20

Rzucidlo, Eugene C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25A, 260 25AJ, 260 25AV, C08J 906

Patent

active

039337006

ABSTRACT:
Fire resistant modified polyurethane foams are prepared from polyols and the monomeric products formed by the pre-reaction of polyarylpolyisocyanates and halogenated phthalic anhydrides at a temperature of about 210.degree. to 300.degree.C. wherein the weight ratio of the polyarylpolyisocyanate to be halogenated phthalic anhydride is from above 2:1 to 10:1 and wherein the amount of the imide incorporated into the polyarylpolyisocyanate varies from about 25 to about 75 percent.

REFERENCES:
patent: 3300420 (1967-01-01), Frey
patent: 3317480 (1967-05-01), Fetscher
patent: 3431223 (1969-03-01), Reymore et al.
patent: 3562189 (1971-02-01), Farrissey et al.
patent: 3622525 (1971-11-01), Miller

Affiliated with

Also associated with

Rating

Modified polyurethane foams containing imide groups does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1696079