Surface treatment of peroxyacids

Details Surface treatment of peroxyacids Surface treatment of peroxyacids

1987-03-23

1990-02-13

Locker, Howard J.

Compositions

Oxidative bleachant, oxidant containing, or generative

Composition containing a stabilizer or a product in the form...

252 91, 252102, 252148, 25217413, 25218632, C11D 339, C11D 330

Patent

active

049004719

ABSTRACT:
Under conditions of misuse, water-soluble peroxyacids when they are left in direct contact with dyed fabrics can cause spotting and dye damage. The problem can be ameliorated by surface-treating the peroxyacid with an effective amount, preferably selected in the range of 8 to 25% w/w based on the peroxyacid, of aliphatic amines which melt or soften at about 30.degree. to 70.degree. C. Preferred agents include hydrogenated tallow amine dicocoamine and methyl dihydrogenated tallow amine. The agent can be applied in molten fashion or in inert solvent such as a chlorinated aliphatic hydrocarbon onto agitated particles of the peroxyacid.

REFERENCES:
patent: 3847830 (1974-11-01), Williams et al.
patent: 3868336 (1975-02-01), Mazzola et al.
patent: 3962149 (1976-06-01), Chirash et al.
patent: 3983254 (1976-09-01), Alterman et al.
patent: 4126573 (1978-11-01), Johnston
patent: 4327151 (1982-04-01), Mazzola
patent: 4374747 (1983-02-01), Tai
patent: 4655780 (1987-04-01), Chun et al.
patent: 4664836 (1987-05-01), Taylor, Jr. et al.
patent: 4726908 (1988-02-01), Kruse et al.
patent: 4728453 (1988-03-01), Choy
patent: 4820436 (1989-04-01), Andree et al.

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