Freezing-tolerant solubilizing type leather degreasing agent and preparation method thereof

A degreasing agent and leather technology, which can be used in leather degreasing, small raw hide/big raw hide/leather/fur treatment, small raw hide/large raw hide/leather skin/fur chemical treatment, etc. It can solve the problem of low non-ionic surfactant content, The degreasing effect is general, easy to precipitate and other problems, to achieve the effect of good water solubility, low equipment requirements, and excellent permeability

Active Publication Date: 2017-08-01
中轻日化科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to solve the defects that the existing leather degreasing agent has a general degreasing effect, low content of non-ionic surfactant in the components, and easy to precipitate at low temperature, and provide a kind of oil that has a strong ability to solubilize oil and is still transparent at ~10°C Freeze-resistant and solubilizing special leather degreasing agent and preparation method thereof

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Anionic surfactant: C 12～14 Fatty alcohol polyoxyethylene ether sodium sulfate (n=2) (calculated as 100% active substance) 18g.

[0026] Nonionic surfactant: C 12～14 Fatty acid methyl ester ethoxylate (n=9) (what adopted is the product of Zhongqing Daily Chemical Technology Co., Ltd., batch is FMEE-24-09) 28g.

[0027] Electrolyte: 0.5g sodium chloride, 5g sodium citrate.

[0028] Deionized water: 48.5g.

[0029] Preparation method: Stir anionic surfactant, nonionic surfactant and deionized water at 50°C, add electrolyte at the same stirring and temperature, mix well and cool to 30°C to obtain the product. The product is a colorless transparent liquid.

Embodiment 2

[0031] Anionic surfactant: C 12～14 Sodium alkylbenzene sulfonate (calculated as 100% active matter) 20g.

[0032] Nonionic surfactant: C 12～18 Fatty acid methyl ester ethoxylate (n=11) (what adopted is the product of Zhongqing Daily Chemical Technology Co., Ltd., batch is FMEE-28-11) 35g.

[0033] Electrolyte: potassium chloride 0.8g, sodium carbonate 7g.

[0034] Deionized water: 37.2g.

[0035] Preparation method: Stir anionic surfactant, nonionic surfactant and deionized water at 60°C, add electrolyte at the same stirring and temperature, mix well and cool to 30°C to obtain the product. The product is light yellow transparent liquid.

Embodiment 3

[0037] Anionic surfactant: C 12～14 Fatty alcohol polyoxyethylene ether sodium sulfate (n=2) (based on 100% active matter) 7g, C 12～14 Sodium alkylbenzene sulfonate (100% active substance) 18g.

[0038] Nonionic surfactant: C 12～14 Fatty acid methyl ester ethoxylate (n=8) (what adopted is the product of Zhongqing Daily Chemical Technology Co., Ltd., batch is FMEE-24-08) 28g.

[0039] Electrolyte: sodium chloride 2g.

[0040] Deionized water: 45g.

[0041]Preparation method: Stir anionic surfactant, nonionic surfactant and deionized water at 40°C, add electrolyte at the same stirring and temperature, mix well and cool to 30°C to obtain the product. The product is light yellow transparent liquid.

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PUM

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Abstract

The invention relates to the field of leather care, in particular to a freezing-tolerant solubilizing type leather degreasing agent. The freezing-tolerant solubilizing type leather degreasing agent is prepared from, by mass, 1%-25% of anionic surfactant, 3%-80% of non-ionic surfactant, 0.5%-8% of electrolyte and 10%-85% of water. A preparation method comprises the steps that the anionic surfactant, the non-ionic surfactant and the water are stirred to be uniform at 40 DEG C to 60 DEG C, the electrolyte is added at the same stirring speed and temperature, all the materials are mixed to be uniform and cooled to 30 DEG C, and then the product is obtained. According to the degreasing agent, fatty acid methyl ester ethoxylate is adopted as the main raw material and supplemented by the anionic surfactant for enhancing the synergetic effect, the product has a high capacity for solubilizing grease and is excellent in penetrating performance, high in degreasing rate and good in raw material biodegradability, and the freezing-tolerant solubilizing type leather degreasing agent is still a transparent flowing liquid at -10 DEG C and can serve as a specialized leather degreasing agent.

Description

technical field [0001] The invention relates to the field of leather care, in particular to a frost-resistant solubilizing leather degreasing agent and a preparation method thereof. Background technique [0002] In the tanning industry, there will be a certain amount of fat in the skin of the raw material. If it is not degreased, it will hinder the penetration of the tanning process materials into the skin, and the fatty acid generated by the hydrolysis of the oil will react with the metal ion to form a water-insoluble Metal soap salts are not conducive to dyeing treatment, so the degreasing process generally runs through the wet operation stage of the entire tanning process. At present, the method commonly used in the industry is the emulsification degreasing method, and its active ingredients are mainly surfactants. Cationic surfactants have low emulsifying ability, and will combine with skin collagen under high pH conditions to lose the effect of emulsifying oil. , so it...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C14C5/00
CPCC14C5/00
Inventor 温朋鹏孙永强郭建国高于洋
Owner 中轻日化科技有限公司
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