FIELD: leather industry.
SUBSTANCE: method comprises pickling, tanning, and neutralizing the semifinished item. During pickling and subsequent tanning, the picking liquid is provided with acetate sodium in amount of 0.2-0.5 % and, then, chromic tanner in amount of 1.5-1.8%. The tanning is carried out until the pH of the solution reaches 4.2-4.4.
EFFECT: enhanced quality of tanning.
2 tbl
Title |
Year |
Author |
Number |
METHOD OF TREATING LEATHER |
0 |
- Sidorin Vitalij Fedorovich
- Derbaremdiker Mark Lejvi-Isaakovich
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- Lyumkis Roman Davidovich
- Kharlashkin Valentin Ivanovich
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METHOD OF SKIN PROCESSING FOR FOOTWEAR UPPER |
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- Novak Aleksej Alekseevich
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- Klenovskaja Natal'Ja Viktorovna
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1993 |
- Chursin V.I.
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- Babich N.P.
- L'Vova A.N.
|
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- Zurabjan K.M.(Ru)
- Makarov-Zemljanskij Ja.Ja.(Ru)
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METHOD OF TANNING LEATHER |
0 |
- Lyumkis Roman Davidovich
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1992 |
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- Korneev I.A.
|
RU2036972C1 |