METHOD FOR TREATMENT OF FUR HALF-STOCK Russian patent published in 2010 - IPC D06L3/02 C14C3/06 

FIELD: textile, paper.

SUBSTANCE: method for treatment of fur half-stock with pigmented hair includes tanning, treatment in bleaching composition and further washing, at the same time bleaching composition includes hydrogen peroxide, potassium persulphate and target additives: catalyst 3 (NH₄)₂Mo₄ 4(MoO₂ H₂O) and carbopol. Treatment is carried out by plunging or application at the temperature of 28-30°C, and preliminary treatment is carried out in the presence of carbopol. It is possible to treat fur half-stock by application of bleaching composition both with natural pigmented hair and hair previously dyed with acid dyes, at the same time consumption of carbopol in bleaching composition makes 8-10 g/l, process is carried out at 23-25°C for 8-10 hours.

EFFECT: high-quality bleaching of fur, integrity of hair and skin and to expand technological capabilities of method, with production of multi-colour effect at previously dyed hair.

4 cl, 2 tbl, 4 ex