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A composite resin tanning agent

A technology of composite resin and tanning agent, applied in the field of composite resin tanning agent, to achieve the effect of plump leather, good hand feeling and better leather body

Active Publication Date: 2020-01-17
南通市宏飞橡胶制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved in the present invention is to provide a kind of composite resin tanning agent, to solve existing

Method used

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  • A composite resin tanning agent
  • A composite resin tanning agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Put 25kg of resin tanning agent R6, 2kg of kaolin, 5kg of sodium sulfate, 4kg of talcum powder, 3kg of sodium lignosulfonate and 1kg of flour into the mixer in sequence, stir for 30 minutes, and then discharge the materials for packaging to obtain the composite resin tanning agent. Among them, resin tanning agent R6 is resin tanning agent R6 with a solid content of 95% and a pH value of 8.5 to 9.5. The particle size of kaolin is 0.2 to 5 µm, the particle size of sodium sulfate is 1800 to 2000 mesh, and the talcum powder The particle size of sodium lignosulfonate is 1200-1500 mesh and 100-150 mesh.

Embodiment 2

[0024] Put 35kg of resin tanning agent R6, 4kg of kaolin, 6kg of sodium sulfate, 5kg of talcum powder, 3.6kg of sodium lignosulfonate and 1.4kg of flour into the mixer in sequence, stir for 30 minutes, and then discharge the materials for packaging to obtain the compound Resin tanning agent; Among them, the resin tanning agent R6 selects the resin tanning agent R6 with a solid content of 95% and a pH value of 8.5-9.5, the particle size of kaolin is 0.2-5 µm, and the particle size of sodium sulfate is 1800-2000 mesh. The particle size of talcum powder is 1200-1500 mesh and that of sodium lignosulfonate is 100-150 mesh.

Embodiment 3

[0026] Put 30kg of resin tanning agent R6, 3kg of kaolin, 5.5kg of sodium sulfate, 4.5kg of talcum powder, 3.3kg of sodium lignosulfonate and 1.2kg of flour into the mixer in order, stir for 30min, and then discharge for packaging, that is Obtain a composite resin tanning agent; wherein, the resin tanning agent R6 selects the resin tanning agent R6 with a solid content of 95% and a pH value of 8.5 to 9.5, the particle size of kaolin is 0.2 to 5 μm, and the particle size of sodium sulfate is 1800 to 2000 μm. Mesh, the particle size of talcum powder is 1200-1500 mesh and the particle size of sodium lignosulfonate is 100-150 mesh.

[0027] The physical and chemical indicators of the composite resin tanning agent prepared by Examples 1-3 are shown in Table 1.

[0028] The application indicators of the composite resin tanning agent prepared in Examples 1-3 to leather retanning are shown in Table 2.

[0029] The physicochemical index of the composite resin tanning agent prepared by...

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Abstract

The invention relates to a composite resin tanning agent. The composite resin tanning agent is prepared from, by weight, 25-35 parts of a resin tanning agent R6, 2-4 parts of kaolin, 5-6 parts of anhydrous sodium sulphate, 4-5 parts of talcum powder, 3-3.6 parts of sodium lignin sulfonate and 1-1.4 parts of flour. The composite resin tanning agent has the beneficial effects that the prepared composite resin tanning agent can be used for retanning various kinds of chrome tanning leather, various original performances of the chrome tanning leather can be kept, the composite resin tanning agent has the good selective filling effect, slack parts of a leather structure can be well filled with the composite resin tanning agent, the compactness and the fullness of the leather can be improved, and the hand feeling is good; and in addition, the astringency of the product is small, the leveling property is good, the good grain side can be generated, and knurling polishing is facilitated.

Description

technical field [0001] The invention belongs to the technical field of leather chemical synthesis, in particular to a composite resin tanning agent. Background technique [0002] For the tanning process, leather retanning technology is very important, known as "alchemy". In the tanning process, there are many kinds of retanning agents, among which the commonly used resin retanning agents are acrylic and maleic polymer aqueous solutions. However, most of these resin retanning agents are anionic, which have a great influence on dye uptake in the dyeing process of the post-tanning process, and the phenomenon of "fading" often occurs when the finished leather is dyed in dark colors. One of the ways to solve the problem of "fading" is to use resin retanning agents containing metal ions. A kind of chromium-containing thioacrylic resin retanning agent has been reported as German patent DE 3724807; Soviet patent SU1447853 has reported a kind of chromium-containing aluminum acrylic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C14C3/22
CPCC14C3/22
Inventor 朱宏伟陈荣明孙桂龙
Owner 南通市宏飞橡胶制品有限公司
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