Washing powder contg. nonionic detergent and soap - prepd. by mixing spray dried portion with soap contg. portion

摘要

Compsn. contains 4-25% (pref. 5-15% of a nonionic detergent 1-10% (pref. 2-7%) of a soap and 70-95% of auxiliary detergent prods. and opt. other detergents, bleaching agents, water and the usual minor additives. The powder is formed from two powder compsns. One, prepd. by spray drying, contains at least a part of the nonionic detergent, much less soap than the other compsn, and not contg. Ca fixing insoluble aluminosilicates; the other powder is enriched in soap in proportion by =3:1 (pref. =4:1) compared with the powder contg. the smaller amt. of soap. Prepn. comprises spray-drying a mixt., contg. pref. 0.25 pts. soap/pt nonionic detergent and the prod. is mixed with the second powder which is enriched in soap by a factor of =3:1 compared with the first powder. The powders are free flowing, and are more easily wetted than similar known prods.