Encapsulated bleach particles coated with a mixture of C.sub.16

Details Encapsulated bleach particles coated with a mixture of C.sub.16 Encapsulated bleach particles coated with a mixture of C.sub.16

1985-12-31

1987-04-07

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

Bleaching

Chemical

252 91, 252 96, 252 97, 252 98, 25217413, 25218634, 25218635, 427212, 427213, C11D 3395, C11D 1100, B05D 102

Patent

active

046557806

ABSTRACT:
Hard spherical bleaching particles are disclosed whose composition is an intimately dispersed agglomerated core mixture of an active halogen oxidizing material, an inorganic diluent salt and a binder. The cores are coated with a mixture of from about 70-85% of a C.sub.16 -C.sub.18 fatty acid soap and from about 15-30% of a C.sub.12 -C.sub.14 fatty acid soap. A method for bleaching substrates as well as a process for preparing the bleach particles are disclosed.

REFERENCES:
patent: 3112274 (1963-11-01), Morgenthaler et al.
patent: 3609088 (1971-09-01), Sumner
patent: 3650961 (1972-03-01), Hudson
patent: 3908045 (1975-09-01), Alterman et al.
patent: 3933670 (1976-01-01), Brill et al.
patent: 3959165 (1976-05-01), Yurko
patent: 3971726 (1976-07-01), Smith, Jr. et al.
patent: 4136052 (1979-01-01), Mazzola
patent: 4237024 (1980-01-01), Feaechko

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