Polyurethane elastomers having a compression set of 50 or less

Details Polyurethane elastomers having a compression set of 50 or less Polyurethane elastomers having a compression set of 50 or less

1975-04-30

1976-12-14

Cockeram, H. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 775AT, C08G 1832, C08G 1875

Patent

active

039975142

ABSTRACT:
A polyurethane composition is prepared by (1) reacting excess polyalkylene ether or polyester glycol with an aromatic diisocyanate, (2) reacting the product of (1) with excess aliphatic diisocyanate, and (3) curing the resulting prepolymer with an aromatic diamine.

REFERENCES:
patent: 2929800 (1960-03-01), Hill
patent: 3211701 (1965-10-01), Mueller et al.
patent: 3600358 (1971-08-01), Taub
patent: 3637599 (1972-01-01), Ditty
patent: 3706710 (1972-12-01), Camilleri et al.
patent: 3766148 (1973-10-01), Taub
patent: 3789032 (1974-01-01), Hoeschele
Follett-Modern American Usage, Hill and Wang, N.Y. 1966, pp. 105-106.

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