Particulate sodium perborate monohydrate containing adsorbed act

Details Particulate sodium perborate monohydrate containing adsorbed act Particulate sodium perborate monohydrate containing adsorbed act

1984-04-09

1985-10-08

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Bleaching

Chemical

8101, 252 95, 252 99, C11D 339, C11D 754

Patent

active

045457840

ABSTRACT:
It would be desirable to improve upon the washing or disinfection capability of hydrogen peroxide-generating compositions at ambient to low operating conditions. The instant invention provides bleach compositions in which an activator is adsorbed into sodium perborate monohydrate, often in an amount of 20-40% w/w thereof. The invention permits liquid and consequently often low molecular weight activators to be readily employed in solid formulations. Preferred activators are selected from enol esters or gem-diesters, including vinyl benzoate, ethylidene benzoate acetate and divinyl adipate. The invention can also render N-acyl activators such as TAED more storage-stable.

REFERENCES:
patent: 3833506 (1974-09-01), Fries et al.
patent: 4009113 (1977-02-01), Green et al.
patent: 4207199 (1980-06-01), Perner et al.
patent: 4372868 (1983-02-01), Saran et al.
patent: 4457858 (1984-07-01), Saran et al.

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