Method of producing polyurethane products having an improved fle

Details Method of producing polyurethane products having an improved fle Method of producing polyurethane products having an improved fle

1976-03-15

1978-04-25

Cockeram, H.S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25AY, 260 75NH, 260 75NP, 260 775AM, 528483, 528503, C08G 1882, C08G 1832

Patent

active

040862119

ABSTRACT:
Polyurethane products having improved flex crack resistance can be obtained by curing a mixture of (a) a polyurethane prepolymer having terminal isocyanate group and (b) at least one curative selected from polyamine and polyol to prepare a polyurethane product, and heat treating the polyurethane product at a temperature of 60.degree.-180.degree. C for 1-30,000 minutes under an atmosphere having an absolute humidity of at least 2%.

REFERENCES:
patent: 2741800 (1956-04-01), Brockway
patent: 2850467 (1958-09-01), Livingood
patent: 3190857 (1965-06-01), Fauser et al.
patent: 3403721 (1968-10-01), Robius et al.
patent: 3789032 (1974-01-01), Hoeschele
patent: 3980606 (1976-09-01), Werner
The Vanderbilt Rubber Handbook, R. T. Vanderbilt Co., Inc., New York, N.Y., (1968), pp. 208-213.
Wright & Cumming -- Solid Polyurethane Elastomers, Maclaren & Sons, London, 1969, pp. 207-222.

Affiliated with

Also associated with

Rating

Method of producing polyurethane products having an improved fle does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of producing polyurethane products having an improved fle, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of producing polyurethane products having an improved fle will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2419875