Hydrophobically-modified associative thickener polymers process for the preparation and uses thereof
AssigneeHercules Incorporated
InventorsKelly Anne Brush, Venkataram Krishnan, Zeena Kottukapally Cherian, Todd A. Brugel
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Abstract
Disclosed is a hydrophobically-modified associative thickener polymer prepared from a reaction mixture comprising a) a polytetrahydrofuran having a formula (I): b) at least one active hydrogen-containing compound; c) a gem-polyhalide with an alkali hydroxide; or d) a polyglycidyl ether with an alkali hydroxide; e) optionally, a hydrophobe-containing compound, wherein m is an integer in a range from 2 to 750; also disclosed are the aqueous protective coating compositions; further disclosed is a process to prepare a hydrophobically-modified associative thickener polymer.
Claims7
A hydrophobically-modified associative thickener polymer prepared from a reaction mixture comprising:
- a) a polytetrahydrofuran having a formula (I):
- b) at least one active hydrogen-containing compound;
- c) a gem-polyhalide with an alkali hydroxide;
- or
- d) a polyglycidyl ether with an alkali hydroxide;
- and
- e) a monofunctional hydrophobe-containing component,
- wherein m is an integer in a range from 2 to 750,
- wherein the active hydrogen containing compound(s) are present in an amount from about 50 wt % to about 99 wt %.
Dependencies are inferred from the claim text.