RU95106108A - Method leather production - Google Patents

Method leather production

Info

Publication number
RU95106108A
RU95106108A RU95106108/12A RU95106108A RU95106108A RU 95106108 A RU95106108 A RU 95106108A RU 95106108/12 A RU95106108/12 A RU 95106108/12A RU 95106108 A RU95106108 A RU 95106108A RU 95106108 A RU95106108 A RU 95106108A
Authority
RU
Russia
Prior art keywords
tanning
chrome
semifinished product
leather
additional
Prior art date
Application number
RU95106108/12A
Other languages
Russian (ru)
Other versions
RU2056708C1 (en
Inventor
С.М. Кернер
В.Е. Бурмистр
Г.Ф. Шмодина
В.И. Аверкова
А.В. Жук
Original Assignee
Акционерное общество закрытого типа "Вознесенское производственное кожевенное объединение"
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Акционерное общество закрытого типа "Вознесенское производственное кожевенное объединение" filed Critical Акционерное общество закрытого типа "Вознесенское производственное кожевенное объединение"
Priority to RU95106108/12A priority Critical patent/RU2056708C1/en
Application granted granted Critical
Publication of RU2056708C1 publication Critical patent/RU2056708C1/en
Publication of RU95106108A publication Critical patent/RU95106108A/en

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  • Treatment And Processing Of Natural Fur Or Leather (AREA)

Abstract

FIELD: leather industry, staining-greasing processes. SUBSTANCE: method involves the additional tanning semifinished product with chrome tanning agent, staining, greasing and additional tanning with synthetic tanning agents. Before neutralization semifinished product is treated additionally with chrome-containing protein hydrolyzate at amount 3.5-4.5% of semifinished product mass at 40-45 C for 50-60 min and additional tanning with synthetic tanning agents is carried out in the presence of chrome tanning agent at their ratio (1.0-1.5): 1. Method can be used for production of elastic leather from cattle raw for shoe top making. EFFECT: improved leather quality.

Claims (1)

Изобретение относится к кожевенному производству, в частности к красильно-жировальным процессам, и может быть использовано при выработке эластичных кож для верха обуви из сырья крупного рогатого скота. Для улучшения качества кож в способе выработки кож, включающем додубливание полуфабриката хромовым дубителем, крашение, жирование и додубливание синтетическими дубителями, перед нейтрализацией полуфабрикат дополнительно обрабатывают хромсодержащим белковым гидролизатом в количестве 3,5-4,5% от массы полуфабриката при 40-45°С в течение 50-60 мин, а додубливание синтетическими дубителями осуществляют в присутствии хромового дубителя при их соотношении 1,0-1,5:1 соответственно.The invention relates to leather production, in particular to dyeing and greasing processes, and can be used in the production of elastic leathers for upper shoes from raw cattle. To improve the quality of the leathers in the method of leather production, including the retanning of the semi-finished product with a chrome tanning agent, dyeing, fatliquoring and the retanning of synthetic tanning agents, before neutralization the semi-finished product is additionally treated with a chromium-containing protein hydrolyzate in an amount of 3.5-4.5% by weight of the semi-finished product at 40-45 ° С for 50-60 minutes, and retanning with synthetic tanning agents is carried out in the presence of a chrome tanning agent at a ratio of 1.0-1.5: 1, respectively.
RU95106108/12A 1995-04-20 1995-04-20 METHOD FOR LEARNING SKIN RU2056708C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU95106108/12A RU2056708C1 (en) 1995-04-20 1995-04-20 METHOD FOR LEARNING SKIN

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU95106108/12A RU2056708C1 (en) 1995-04-20 1995-04-20 METHOD FOR LEARNING SKIN

Publications (2)

Publication Number Publication Date
RU2056708C1 RU2056708C1 (en) 1996-03-20
RU95106108A true RU95106108A (en) 1996-04-27

Family

ID=48451043

Family Applications (1)

Application Number Title Priority Date Filing Date
RU95106108/12A RU2056708C1 (en) 1995-04-20 1995-04-20 METHOD FOR LEARNING SKIN

Country Status (1)

Country Link
RU (1) RU2056708C1 (en)

Also Published As

Publication number Publication date
RU2056708C1 (en) 1996-03-20

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