| 摘要 |
FIELD: chemistry.SUBSTANCE: method of treating hair cover of sheepskin includes treating a semi-product with a plasticising composition, cutting hair and treatment twice with a fixing agent containing formalin with intermediate smoothing, wherein as the plasticising composition a collagen-containing dispersion in an organic acid with total consumption thereof of 0.26-0.15 g/mis used; treatment of the sheepskin with the plasticising composition is carried out twice with intermediate ageing at room temperature, and as the fixing agent formalin (40%) with concentration of 70 ml/l with total consumption of 0.2-2.0 ml/m, at smoothing temperature of 135-140°C is used. The disclosed treatment provides high quality of hair cover with an optimum moderate mode of processing factors.EFFECT: set of treatment parameters significantly reduces consumption of harmful chemicals and treatment temperature, thereby improving the quality of the hair cover.1 tbl |
