Soft leather filling agent and preparation method thereof

A technology for fillers and leathers, applied in biocide-containing paints, coatings, antifouling/underwater coatings, etc., can solve problems such as lack of antibacterial properties, unstable performance, hardening of leather, etc., and achieve excellent oiliness Effect, softness improvement, permeability strong effect

Inactive Publication Date: 2018-10-16
江门市汇锦科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, most of the fillers currently have unstable performance, weak permeability, harden the leather after use, and form sticky oil spots, and do not have antibacterial properties

Method used

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  • Soft leather filling agent and preparation method thereof
  • Soft leather filling agent and preparation method thereof
  • Soft leather filling agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The preparation method of the soft leather filler of the present embodiment, comprises the steps:

[0031] Get the following raw materials in parts by weight:

[0032] 35 parts of acrylic resin emulsion, 33 parts of polyurethane resin emulsion, 24 parts of modified epoxy soybean oil, 4 parts of sodium dioctyl maleate sulfonate, 2 parts of fatty alcohol polyoxyethylene ether, 0.4 part of white clove extract 0.8 parts of camphor wood extract, 2 parts of peppermint extract, 0.2 parts of nano-lanthanum fluoride, 0.6 parts of nano-yttrium fluoride, 2 parts of aspartic acid, 3 parts of limonene, and 18 parts of deionized water.

[0033] (1) Add modified epoxy soybean oil, acrylic resin emulsion, and polyurethane resin emulsion to water in sequence, heat to 70° C. and keep stirring for 12 minutes to obtain material I;

[0034] (2) Add successively in the material I of step (1) gained dioctyl maleate sulfonate, fatty alcohol polyoxyethylene ether, nanometer lanthanum fluoride,...

Embodiment 2

[0037] The preparation method of the soft leather filler of the present embodiment, comprises the steps:

[0038] Get the following raw materials in parts by weight:

[0039] 40 parts of acrylic resin emulsion, 35 parts of polyurethane resin emulsion, 28 parts of modified epoxy soybean oil, 2.5 parts of sodium dioctyl maleate sulfonate, 2.5 parts of fatty alcohol polyoxyethylene ether, 0.3 part of white clove extract 0.3 parts of camphor wood extract, 1 part of peppermint extract, 0.3 parts of nano-lanthanum fluoride, 0.6 parts of nano-yttrium fluoride, 2 parts of aspartic acid, 3 parts of limonene, and 20 parts of deionized water.

[0040] (1) Add modified epoxy soybean oil, acrylic resin emulsion, and polyurethane resin emulsion to water successively, heat to 65° C. and keep stirring for 15 minutes to obtain material I;

[0041] (2) Add successively in the material I of step (1) gained dioctyl maleate sulfonate, fatty alcohol polyoxyethylene ether, nanometer lanthanum fluor...

Embodiment 3

[0044] The preparation method of the soft leather filler of the present embodiment, comprises the steps:

[0045] Get the following raw materials in parts by weight:

[0046]45 parts of acrylic resin emulsion, 38 parts of polyurethane resin emulsion, 25 parts of modified epoxy soybean oil, 5 parts of sodium dioctyl maleate sulfonate, 2 parts of fatty alcohol polyoxyethylene ether, 0.4 part of white clove extract 0.6 parts of camphor wood extract, 2 parts of peppermint extract, 0.1 part of nano-lanthanum fluoride, 0.5 part of nano-yttrium fluoride, 2 parts of aspartic acid, 2 parts of limonene, and 22 parts of deionized water.

[0047] (1) Add modified epoxidized soybean oil, acrylic resin emulsion, and polyurethane resin emulsion to water successively, heat to 75° C. and keep stirring for 8 minutes to obtain material I;

[0048] (2) Add successively in the material I of step (1) gained dioctyl maleate sulfonate, fatty alcohol polyoxyethylene ether, nanometer lanthanum fluorid...

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Abstract

The invention discloses a soft leather filling agent and a preparation method thereof. The soft leather filling agent comprises the following raw materials in parts by weight: 20 to 50 parts of acrylic acid resin emulsion, 15 to 40 parts of polyurethane resin emulsion, 15 to 30 parts of modified epoxidized soybean oil, 2 to 8 parts of a penetrating agent, 1 to 5 parts of an antibacterial agent, 0.1 to 1 part of metal salt, 1 to 5 parts of aspartic acid, 1 to 5 parts of limonene and 15 to 50 parts of water. The soft leather filling agent has specific raw materials and proportion, has high penetrability, can rapidly penetrate into leather, is firmly combined with leather fiber and forms one layer of ultrathin lubricating film on the surface of the leather, so that the softness, the toughnessand the antibacterial and anti-mildew properties of the leather are improved and excellent lubricating effect on the leather is achieved; furthermore, the preparation method is simple, convenient andsuitable for large-scale production application.

Description

technical field [0001] The invention relates to the technical field of leather processing, in particular to a soft leather filler and a preparation method thereof. Background technique [0002] Leather is denatured and non-perishable animal skin obtained through physical and chemical processing such as depilation and tanning. Leather is composed of natural protein fibers tightly woven in three-dimensional space. There is a special grain layer on the surface, which has natural grain and luster, and feels comfortable. . The market potential of leather and its products is very large. The total global demand for leather is about 100 million square meters, which is equivalent to the output of 300 million pieces of cowhide (standard leather). China's leather output is equivalent to nearly 70 million pieces of standard leather, accounting for about 23.33% of global leather production. However, enterprises in China's leather shoemaking and related industries should also face up t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D5/14C09D7/61C09D7/65
CPCC08K2201/011C08L2205/035C09D5/14C09D7/61C09D7/65C09D133/00C08L75/04C08L91/00C08K13/02C08K5/0058C08K3/16
Inventor 邹斌
Owner 江门市汇锦科技有限公司
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