Chain extending polyurethanes with a large excess of water

Details Chain extending polyurethanes with a large excess of water Chain extending polyurethanes with a large excess of water

1976-07-14

1977-09-20

Cockeram, H. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 75NH, 260 775AA, 260 775AM, 260 75NA, C08G 1810, C08G 1830, C08G 1882

Patent

active

040496325

ABSTRACT:
A polyurethane-urea composition is described that is highly resistant to textile fiber-dressings. The composition is a product from the reaction of an ester urethane prepolymer formed from the reaction of a diisocyanate and a hydroxy-terminated polyester of equivalent weight 400-1,000 in which the ratio of isocyanate functionality:hydroxy functionality is from 2.0:1 to 4.0:1; and an excess of water.

REFERENCES:
patent: 2657151 (1953-10-01), Gensel et al.
patent: 2968575 (1961-01-01), Mallonee
patent: 3213049 (1965-10-01), Heiss
patent: 3505275 (1970-04-01), Sato et al.
patent: 3560447 (1971-02-01), Bingham
patent: 3714095 (1973-01-01), Reischl et al.

Affiliated with

Also associated with

Rating

Chain extending polyurethanes with a large excess of water does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Chain extending polyurethanes with a large excess of water, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Chain extending polyurethanes with a large excess of water will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-670336