Non-aqueous thickening agents

Details Non-aqueous thickening agents Non-aqueous thickening agents

1991-10-18

1994-06-07

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 75, 524426, 524427, 524457, 524459, C08G 1808

Patent

active

053190556

ABSTRACT:
Novel thickening agents, useful for thickening non-aqueous solvent-containing compositions, are provided. The thickening agents are the reaction product of a polyol containing at least two hydroxyl groups; a polyisocyanate containing at least two isocyanato groups; and an active hydrogen compound. A method of thickening non-aqueous systems by admixing with the novel thickening agents is also provided.

REFERENCES:
patent: 4107256 (1978-08-01), Conrad et al.
patent: 4191802 (1980-03-01), Guise et al.
patent: 4337184 (1982-06-01), Schimmel et al.
patent: 4520158 (1985-05-01), Peiffer et al.
patent: 4668131 (1987-05-01), Lochhead, et al.
patent: 4778843 (1988-10-01), Cooperman et al.
patent: 4866120 (1989-09-01), Rudnick et al.

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