The Dow Chemical Company

Willie L Myles

James L Bertram

Michael P Kubisiak

Uncured compositions are prepared from dialkanolamines and polyglycidyl ethers of tris(hydroxyphenyl)alkanes. These compositions are water soluble or water miscible.

Compositions prepared from dialkanolamines and triglycidyl ethers of

Curable amide modified epoxy resins are prepared by polymerizing (I) the reaction product of (A) the reaction product of (1) an epoxy resin having an average of more than one 1,2-epoxy group per molecule and an average of from about 0 to about 30 aliphatic hydroxyl groups per molecule such as a diglycidyl ether of bisphenol A and (2) (a) a material having only one primary amine group per molecule such as monoethanolamine and (b) a material having only one secondary amine group per molecule such as diethanolamine wherein (a) and (b) are added sequentially with (a) being added first, or as a mixture with (B) an anhydride of an unsaturated dicarboxylic acid such as maleic anhydride with (II) a polymerizable ethylenically unsaturated monomer or mixture of monomers such as styrene and methacrylic acid. The resultant resin can be employed as is in the preparation of organic solvent borne coatings or it can be neutralized with a base so as to improve its stability in the preparation of aqueous coatings.

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Sweeny, TX, United States of America

Willie L Myles