C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 3/00 (2006.01) C08G 18/50 (2006.01) C08G 63/66 (2006.01) C08L 63/00 (2006.01) C08L 67/00 (2006.01) C09D 7/00 (2006.01) C09D 7/12 (2006.01)
Patent
CA 2256086
A liquid, pourable 100% active Theological additive especially useful for thickening non-aqueous compositions is described. The additive, which exists in a pourable, pumpable form at up to a 100% as a Theologically active composition, exhibits excellent thickening efficiency for systems including inks, epoxies, polyesters, paints, greases and other systems, including ease of dispersibility, without adversely affecting gloss. The additive may operate by both an associative and a reaction mechanism to provide rheological viscosity properties to such systems, and is also similarly useful for aqueous systems. One important aspect of the present invention relates to a liquid Theological additive composition comprising a reaction product obtained from the reaction of: a) One or more active hydrogen compounds, wherein the active hydrogen compound contains at least two active hydrogen moieties; and b) One or more compounds containing at least two moieties which are capable of reacting with the active hydrogen moieties of (a), wherein the active hydrogen moieties of compound a) are in stoichiometric excess of the reactive moieties of compound b); and the reaction product has at least two active hydrogen moieties at its termini.
Elementis Specialties Inc.
Rheox Inc.
Sim & Mcburney
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