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Title:
HEXAVALENT CHROMIUM FORMATION SUPPRESSING AGENT FOR CHROM-TANNED LEATHER, AND METHOD FOR PRODUCING CHROM-TANNED LEATHER
Document Type and Number:
Japanese Patent JP2017039876
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a treatment agent by which the formation of hexavalent chromium from chromium contained in chrom-tanned leather is suppressed.SOLUTION: Provided is a treatment agent for suppressing the formation of hexavalent chromium from chromium contained in chrom-tanned leather, and is characterized by containing a phenolic antioxidant, a water-soluble antioxidant and a peptide. When using BHA, which is used as a food additive, as the phenolic antioxidant, L-ascorbic acid as the water-soluble antioxidant, and collagen peptide as the peptide, the formation of hexavalent chromium can be suppressed below detection limit by synergy effect. These are all edible components and are also excellent in safety.SELECTED DRAWING: Figure 14

Inventors:
OGATA KIMINORI
KUMAZAWA YUKI
Application Number:
JP2015163491A
Publication Date:
February 23, 2017
Filing Date:
August 21, 2015
Export Citation:
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Assignee:
JAPAN INST OF LEATHER RES (JILR)
International Classes:
C14C3/06; C09K15/08
Attorney, Agent or Firm:
Kimura Mitsuru
Etsuko Saito
Takanori Mamoru