TANNING PROCESS

PURPOSE:To produce a tanned skin having excellent quality in a short time in high efficiency by immersing untanned hide in lime, defatting the treated hide, immersing in a phosphate buffer solution and tanning the hide by adding an aldehyde. CONSTITUTION:An untanned hide immersed in lime is divided,...

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1. Verfasser:	ARIMA JUNJI
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS THEREFOR CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING,IMPREGNATING, FINISHING CHEMISTRY COMPOSITIONS FOR TANNING HIDES LEATHER METALLURGY PELTS SKINS
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creator	ARIMA JUNJI
description	PURPOSE:To produce a tanned skin having excellent quality in a short time in high efficiency by immersing untanned hide in lime, defatting the treated hide, immersing in a phosphate buffer solution and tanning the hide by adding an aldehyde. CONSTITUTION:An untanned hide immersed in lime is divided, washed with water, defatted in a solution containing a phosphoric acid salt and a defatting agent and then immersed in a phosphoric acid salt solution to form a buffering region of pH6-7 by the reaction of the phosphoric acid salt and Ca ion in the untanned hide. The hide can be tanned by adding an aldehyde to the above liquid. The aldehyde content of the tanned skin is increased, the thermal shrinkage temperature in the liquid is raised and the total time necessary for the treatment can be shortened by the increased reactivity of the skin and the aldehyde owing to the formation of the buffering region.
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CONSTITUTION:An untanned hide immersed in lime is divided, washed with water, defatted in a solution containing a phosphoric acid salt and a defatting agent and then immersed in a phosphoric acid salt solution to form a buffering region of pH6-7 by the reaction of the phosphoric acid salt and Ca ion in the untanned hide. The hide can be tanned by adding an aldehyde to the above liquid. The aldehyde content of the tanned skin is increased, the thermal shrinkage temperature in the liquid is raised and the total time necessary for the treatment can be shortened by the increased reactivity of the skin and the aldehyde owing to the formation of the buffering region.</description><language>eng</language><subject>APPARATUS THEREFOR ; CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING,IMPREGNATING, FINISHING ; CHEMISTRY ; COMPOSITIONS FOR TANNING ; HIDES ; LEATHER ; METALLURGY ; PELTS ; SKINS</subject><creationdate>1990</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900510&DB=EPODOC&CC=JP&NR=H02123200A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900510&DB=EPODOC&CC=JP&NR=H02123200A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ARIMA JUNJI</creatorcontrib><title>TANNING PROCESS</title><description>PURPOSE:To produce a tanned skin having excellent quality in a short time in high efficiency by immersing untanned hide in lime, defatting the treated hide, immersing in a phosphate buffer solution and tanning the hide by adding an aldehyde. CONSTITUTION:An untanned hide immersed in lime is divided, washed with water, defatted in a solution containing a phosphoric acid salt and a defatting agent and then immersed in a phosphoric acid salt solution to form a buffering region of pH6-7 by the reaction of the phosphoric acid salt and Ca ion in the untanned hide. The hide can be tanned by adding an aldehyde to the above liquid. 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CONSTITUTION:An untanned hide immersed in lime is divided, washed with water, defatted in a solution containing a phosphoric acid salt and a defatting agent and then immersed in a phosphoric acid salt solution to form a buffering region of pH6-7 by the reaction of the phosphoric acid salt and Ca ion in the untanned hide. The hide can be tanned by adding an aldehyde to the above liquid. The aldehyde content of the tanned skin is increased, the thermal shrinkage temperature in the liquid is raised and the total time necessary for the treatment can be shortened by the increased reactivity of the skin and the aldehyde owing to the formation of the buffering region.</abstract><oa>free_for_read</oa></addata></record>
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subjects	APPARATUS THEREFOR CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING,IMPREGNATING, FINISHING CHEMISTRY COMPOSITIONS FOR TANNING HIDES LEATHER METALLURGY PELTS SKINS
title	TANNING PROCESS
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