Tar urethane composition

Details Tar urethane composition Tar urethane composition

1974-05-15

1976-12-28

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 28P, 260 336UB, 260 775AP, 260 775AT, 427340, 427385R, 428262, 428423, C08G 1806, C08K 101, C08L 9100

Patent

active

040000990

ABSTRACT:
A urethane composition comprising as a base compound a polyol and/or an isocyanate-reactive tar, and as a curing agent a liquid product of a toluene diisocyanate tar occurring as a by-product in the preparation of toluene diisocyanate obtained by dissolving or dispersing the toluene diisocyanate tar in an aromatic solvent having a boiling point at atmospheric pressure of at least 200.degree. C and a method for producing the liquid toluene diisocyanate tar product.

REFERENCES:
patent: 3455836 (1969-07-01), Shultz et al.
patent: 3522285 (1970-07-01), Kirss
patent: 3876728 (1975-04-01), Kuroda et al.

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