Non-aqueous shade enhancing agent

摘要

PCT No. PCT/JP88/00200 Sec. 371 Date Oct. 20, 1988 Sec. 102(e) Date Oct. 20, 1988 PCT Filed Feb. 25, 1988 PCT Pub. No. WO88/06655 PCT Pub. Date Sep. 7, 1988.A non-aqueous shade enhancing agent composition comprises (a) a copolymer obtained by graft-polymerizing a main chain polymer being substantially insoluble in a non-aqueous solvent having a solubility parameter in the range of 6.5 t0 10.0 with a branch polymer being soluble in said solvent at a weight ratio of the main chain polymer to the branch polymer in the range between 90/10 and 10/90 and (b) a specific quaternary ammonium salt.