Thermoreversible thickener

Details Thermoreversible thickener Thermoreversible thickener

1996-01-24

1997-08-19

Yoon, Tae

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

526260, 526263, 526265, C08F 2600, C08L 3100

Patent

active

056589816

ABSTRACT:
A thermoreversible thickener comprising a water-soluble copolymer containing as constituent monomer at least 50% by weight of a vinyl carboxylic ester of a cylic amine or a non-cyclic amine with at least 5 carbons with an alkylene oxide added thereto. The thickener, with a transition temperature which can be easily controlled according to the purpose of application such as coating, rolling oil, adhesives or inks, has a characteristic such that heating the aqueous solution thereof up to a temperature above the transition temperature causes rapid thickening of the solution.

REFERENCES:
patent: 3985698 (1976-10-01), Matsudaira et al.
patent: 4318956 (1982-03-01), Stevens et al.
patent: 4521552 (1985-06-01), Schnee et al.
patent: 4892916 (1990-01-01), Hawe et al.
patent: 5102936 (1992-04-01), Huth et al.
patent: 5484610 (1996-01-01), Bae
English Abstract of JP-A-2-75682 (original filed on 17 Feb. 1994).
Translation of claims of JP-A-56-32511 (original filed on 17 Feb. 1994).
Fu-Mian Li, "Vinyl Minomers Having Chromophore Moities . . . ", Polymer Preprints, (Japan) vol. 40 No. 5 P1521-1523.

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