| 摘要 |
PCT No. PCT/EP94/02914 Sec. 371 Date Mar. 13, 1996 Sec. 102(e) Date Mar. 13, 1996 PCT Filed Sep. 2, 1994 PCT Pub. No. WO95/08017 PCT Pub. Date Mar. 23, 1995Brightener mixtures containing from 75% by weight to 100% by weight, based on the weight of the mixture, of the bisstyryl compounds of the formulae I and II <IMAGE> (I) <IMAGE> (II) in a weight ratio from 10:90 to 70:30, formulations containing the novel mixtures, and also their use for optically brightening synthetic, semisynthetic or natural polymer materials. |
