Carboxylated polymer composition

摘要

PCT No. PCT/JP96/01930 Sec. 371 Date Apr. 22, 1998 Sec. 102(e) Date Apr. 22, 1998 PCT Filed Jul. 11, 1996 PCT Pub. No. WO97/03128 PCT Pub. Date Jan. 30, 1997A polymer composition containing carboxyl groups which has excellent water solubility, thickening properties and flow characteristics. The composition comprises (A) a crosslinked polymer comprising (a) an alpha , beta -unsaturated carboxylic acid and (b) a compound having at least two ethylenically unsaturated groups, and (B) at least one polymer comprising N-vinylpyrrolidone as essential monomer.