| abstract |
(57) [Summary] [PROBLEMS] To provide a liquid system containing a polyester which is insoluble in water but soluble in a water / alcohol mixed solvent, which is useful as an adhesive, a paint, a hair spray or the like. [Structure] (A) a mixed solvent of water and a C 3-5 alcohol, and (B) (a) (1) terephthalic acid and / or dimethyl terephthalate, (2) sodium salt of sulfodimethylphthalate and (3) ) A polyester having a molecular weight of 1,000 to 7,000, which comprises a diacid component consisting of isophthalic acid or azelaic acid and (b) a repeating unit derived from ethylene glycol and neopentyl glycol, and has one carboxyl group at the terminal. Consisting of p A liquid system in which H is at least 7. |