Green environment-friendly leather tanning agent

Abstract

The invention relates to a green environment-friendly leather tanning agent which is prepared from the following raw materials in parts by weight: 30-55 parts of naphthol, 12-26 parts of sulfuric acid, 1-2 parts of sodium sulfate, 1.5-2.6 parts of sodium carboxymethyl cellulose, 1.2-2 parts of ammonium persulfate, 4-10 parts of methylparaben, 7-12 parts of water-based lanolin, 6-13 parts of hydroxyethyl ethylenediamine, 1.3-2.4 parts of acrylic acid, 3-4 parts of myristic amide propyl hydroxypropyl sulphobetaine, 8-22 parts of sodium hydroxide, 3-6 parts of dichromate, 6-9 parts of silicon dioxide and 3-5 parts of glutaraldehyde. The green environment-friendly leather tanning agent has the advantages of high tanning speed, high tanning property and no irritating odor, can lighten and thin the leather and reduce the pollution, and conforms to the environment-friendly requirements.

Description

technical field [0001] The invention relates to a green and environment-friendly leather blending agent. Background technique [0002] Tanning is a key step in turning leather into leather, a process of qualitative change, and the chemical material that can turn leather into leather is called leather tanning agent. The tanning agent penetrates into the leather during the tanning process and combines with the leather fibers to modify the leather and turn it into leather. With the progress of the economy and the development of society, people consume more and more leather, which promotes the progress of tanning technology. The current leather blending agent can no longer meet the requirements, and some problems have been exposed. Not only the production cost is high More importantly, it causes serious environmental pollution. The treatment of leather wastewater has become a major problem in environmental protection. Leather companies have paid a heavy price for the treatment ...

AI Technical Summary

Problems solved by technology

With the progress of the economy and the development of society, people consume more and more leather, which promotes the progress of tanning technology. The current leather blending agent can no longer meet the requirements, and some problems have been exposed. Not only the production cost is high More importantly, it causes serious environmental pollution. The treatment of leather wastewater has become a major problem in environmental protection. Leather companies have paid a heavy price for the treatment of leather wastewater pollution, and some admixtures have a lot of pungent odors.