| 摘要 |
<p>The brightening agent - a substd. 4,4'-bis-(2,4,6-triamino-s-triazinyl)-stilbene-2,2'-disulphonic acid (or its Na, K, NH4 salts) is continued in a 16-30C satd. (hydroxy) fatty acid which melts at >60 degrees C., the ratio agent; acid being 1 : 5-1 : 100 and particle size 0.01-0.8 mm. The other particles in the washing agent are obtd. from a mixt. of (wt.%) 5-25 >=1 anionic, non-ionic or zwitterionic detergent, 30-70 >=1 complex builder and alkali soap, 10-35 Na perborate and 1-25 auxiliaries. Coloured, esp. pastel shades, articles are washed with whites at 30-40 degrees C., then removed and the white articles can be washed at 60-100 degrees C., when brightening agent released, in the same soln. Useful in drum washing machines.</p> |
