Hydrophobically modified ethoxylated rheology

During these developments, hydrophobically modified ethoxylated urethane (HE UR) thickeners were synthesized and patented (6, 7). Their application in coatings was discussed, but the emphasis was on improved barrier properties (8), not on rheological influences. The HEUR polymers of the... [Pg.152]

Hydrophobically modified, ethoxylated urethanes (HEURs) are the thickeners of choice in exterior coatings and in corrosion-resistant, high-gloss industrial latex finishes. This chapter presents an overview of our research efforts and discusses approaches to the synthesis of HEUR polymers with different molecular architectures, geometrical influences on solution properties, and viable mechanisms by which this class of associative thickener effects desirable coatings rheology and applied film properties. [Pg.496]

Chem. Descrip. Hydrophobe modified ethoxylate Uses Rheology control agent, associative thickener for latex systems, high gloss and semi-gloss coatings, waterborne architectural and industrial paints, printing inks, suitable for acrylics, styrene-acrylics Properties Clear liq. dens. 8.75 Ib/gal vise. 1800 cps VOC 20% (EPA Method 24) 40% act., 40% water Use Level 1.0-3.0% on total wt. [Pg.575]

Chem. Descrip. Hydrophobe modified urethane ethoxylate Uses Rheology control agent, associative thickener, flow control agent for water-based architectural and industrial coatings, adhesives, acrylic and epoxy coatings, printing inks, latex food pkg. adhesives Features Improves applic. props. [Pg.575]