FIELD: leather industry. SUBSTANCE: leather raw is washed out, soaked off followed by depilating in an aqueous solution of enzyme preparation and leather liming in an aqueous solution of sodium sulfide and calcium hydroxide. Complex enzyme preparation "Prock" is used as an enzyme preparation that is a mixture of neutral and alkaline proteases, elastase, lipase, collagenase and amylase obtained from actinomycetes culture. EFFECT: improved method of treatment. 2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF MAKING RAW-HIDE | 0 |
|
SU1715840A1 |
| ENZYME PREPARATION FOR UNHAIRING AND SOFTENING LEATHER-FUR RAW | 1995 |
|
RU2127311C1 |
| METHOD OF PROTEOLYTIC ENZYMES PREPARATION USED FOR RAW HIDE WORKING | 0 |
|
SU1788010A1 |
| METHOD OF PROCESSING RABBIT SKINS | 1996 |
|
RU2114917C1 |
| RAWSTOCK UNHAIRING METHOD | 2002 |
|
RU2198932C1 |
| METHOD OF SOAKING-DEFATTING FISH SKINS | 1998 |
|
RU2132389C1 |
| RAWSTOCK TREATMENT METHOD | 2002 |
|
RU2213785C1 |
| RAWSTOCK TREATMENT METHOD | 2003 |
|
RU2222601C1 |
| METHOD OF PREPARING PROTEIN HYDROLYZATE | 1995 |
|
RU2118370C1 |
| METHOD OF ENZYMATIC HIDE UNHAIRING | 1994 |
|
RU2061046C1 |
