Production method for microfiber leather

A production method and technology of microfiber leather, applied in fiber processing, textile material processing, textiles and papermaking, etc., can solve the problems affecting the comfort, quality, appearance and wear life of sports shoes, poor air permeability and moisture permeability , Microfiber leather has poor drape and other problems, and achieves the effect of good air permeability and moisture permeability, strong leather feeling, and better color uniformity

Inactive Publication Date: 2016-12-07
SHANDONG FRIENDSHIP MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the improvement of market requirements, there are higher and higher requirements for the quality of microfiber leather, especially in the production of sports shoes, due to the air permeability and moisture permeability of microfiber leather produced by traditional microfiber leather production methods Poor, leading to the limited application of microfiber leather in the field of sports shoes, and the resulting microfiber leather has poor drape, prone to wrinkles, loose surface, voids inside the base fabric, and insufficient elasticity, which seriously affect the comfort of sports shoes , quality, appearance and wear life

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A kind of production method of microfiber leather, comprises the following steps:

[0029] 1) Spinning of composite fibers: Nylon 6 and low-density polyethylene are mixed at a mass ratio of 50:50, extruded and melted by a screw extruder, and the temperature is controlled at 245°C, and spun through the processes of drawing, oiling, and crimping Produce sea-island composite fibers;

[0030] 2) Production of non-woven fabrics: use the sea-island composite fiber produced in step 1), set the needling frequency to 500-1500 punctures / min, and the needling density to 1000-2000 punctures / m 2 , The number of laying layers is 25, the speed is 2m / min, and the average weight is 400g / ㎡ non-woven fabrics;

[0031] 3) Shaping of the non-woven fabric: Heat the non-woven fabric prepared in step 2) in an oven at 130°C for 5 minutes, and then shape it with rollers, and the thickness of the shape is 0.9mm;

[0032] 4) Prepare a high-solid content, high-viscosity polyurethane resin working...

Embodiment 2

[0039] A kind of production method of microfiber leather, comprises the following steps:

[0040] 1) Spinning of composite fibers: Nylon 6 and low-density polyethylene are mixed at a mass ratio of 55:45, extruded and melted by a screw extruder, controlled at a temperature of 260°C, and spun through the processes of drawing, oiling, and crimping. Produce sea-island composite fibers;

[0041] 2) Production of non-woven fabrics: use the sea-island composite fiber produced in step 1), set the needling frequency to 500-1500 punctures / min, and the needling density to 1000-2000 punctures / m 2 , The number of laying layers is 35 layers, the speed of the vehicle is 4m / min, and the average weight of the nonwoven fabric is 450g / ㎡;

[0042] 3) Shaping of non-woven fabrics: Heat the non-woven fabrics prepared in step 2) in an oven at 130°C for 5 minutes, and then shape them with rolls, with a thickness of 1.4mm;

[0043] 4) Prepare a high-solid content, high-viscosity polyurethane resin w...

Embodiment 3

[0050] A kind of production method of microfiber leather, comprises the following steps:

[0051] 1) Spinning of composite fibers: Nylon 6 and low-density polyethylene are mixed at a mass ratio of 60:40, extruded and melted by a screw extruder, controlled at a temperature of 270°C, and spun through the processes of drawing, oiling, and crimping. Produce sea-island composite fibers;

[0052] 2) Production of non-woven fabrics: use the sea-island composite fiber produced in step 1), set the needling frequency to 500-1500 punctures / min, and the needling density to 1000-2000 punctures / m 2 , The number of laying layers is 40 layers, the speed is 5m / min, and the average grammage is 500g / ㎡ non-woven fabrics;

[0053] 3) Shaping of the non-woven fabric: Heat the non-woven fabric prepared in step 2) in an oven at 130°C for 6 minutes, and then shape it with rollers, and the thickness of the shape is 1.9mm;

[0054] 4) Prepare a high-solid content, high-viscosity polyurethane resin wor...

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Abstract

The invention relates to a production method for microfiber leather. The production method comprises the following steps that firstly, composite fibers are spun; secondly, non-woven fabric is made; thirdly, the non-woven fabric is shaped; fourthly, a polyurethane resin working solution with high solid content and high viscosity is prepared; fifthly, a polyurethane resin working solution is smeared; sixthly, a polyurethane resin working solution with low solid content and low viscosity is prepared; seventhly, soaking and continuous rolling are carried out with the polyurethane resin working solution; eighthly, polyurethane is solidified; ninthly, methylbenzene decrement treatment is carried out. Compared with the prior art, the microfiber leather has the advantages of being good in hand touch and drape effect and high in air and water vapor permeability.

Description

technical field [0001] The invention relates to the technical field of superfiber synthetic leather, in particular to a production method of superfiber leather. Background technique [0002] With the global market's boycott of animal leather products and stricter environmental regulations, microfiber leather can meet the requirements of the European Union because of its environmental protection, pollution-free production, and heavy metals. More and more merchants have begun to use microfiber leather instead of genuine leather. in high-end products. Microfiber leather is mainly composed of chemical fibers. Microfibers simulate collagen fibers in terms of composition and structure, and their linear density and distribution are closer to natural leather. Because of their excellent performance, microfiber leather has an appearance and The inner structure, and the microfiber leather base cloth is made of microfiber, which has good elasticity, high strength, soft hand feeling and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06N3/00D06N3/14D01D5/30D06B3/18
CPCD01D5/30D06B3/18D06N3/0011D06N3/0052D06N3/0063D06N3/14
Inventor 翟国才
Owner SHANDONG FRIENDSHIP MACHINERY
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