Preparation of liquid TDI for compositions

Details Preparation of liquid TDI for compositions Preparation of liquid TDI for compositions

1976-04-26

1977-10-25

Torrence, Dolph H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260453PH, C07C11802, C07C119048

Patent

active

040555852

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: 2680128 (1954-06-01), Slocombe et al.
patent: 3180852 (1965-04-01), Pferschke et al.

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