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Aqueous PU color changing treating agent used for synthetic leather

A color treatment, synthetic leather technology, applied in fiber treatment, textiles and papermaking, etc., can solve the comprehensive effects of synthetic leather products such as poor viscosity, stability, hand feel, poor synthetic leather feel, and synthetic leather bottom layer dissolution. problem, to achieve the effect of excellent comprehensive effect, low cost, and solvent resistance of the coating

Inactive Publication Date: 2010-01-27
JIANGSU BAOZE POLYMER MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. The organic solvent contained in the solvent-based color-changing treatment agent will cause the bottom layer of synthetic leather or artificial leather to dissolve, and the treated synthetic leather will not feel good;
[0005] 2. The organic solvent contained in the solvent-based color-changing treatment agent not only has high cost, strong smell, and is easy to pollute the environment, but also has safety hazards such as flammability and explosion;
[0006] 3. Synthetic leather products prepared by solvent-based color-changing treatment agents have poor comprehensive effects such as viscosity, stability, and hand feel

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] 1. The water-based PU color-changing treatment agent for synthetic leather is composed of the following raw materials: 100 kg of aliphatic polyurethane emulsion (30% solid content), 200 kg of ordinary tap water, 40 kg of emulsifier, 1.7 kg of amino silicone oil, and 0.8 kg of silicone defoamer , 1.5 kg of silicone leveling agent, 15 kg of water-based polyurethane thickener.

[0027] 2. The preparation method of the water-based PU color-changing treatment agent for synthetic leather of the present invention is as follows:

[0028] ① Select 100 kg of aliphatic polyurethane emulsion (30% solid content) according to the above ratio, 200 kg of ordinary tap water, 40 kg of emulsifier, 1.7 kg of amino silicone oil, 0.8 kg of silicone defoamer, 1.5 kg of silicone leveling agent, and stir 2 hours, fully mixed, set aside;

[0029] ② Grinding and filtering the reaction mixture obtained in step ①;

[0030] ③ Take the mixture obtained by filtering in step ② and add 15 kg of water-...

Embodiment 2

[0035] 1. The water-based PU color-changing treatment agent for synthetic leather is composed of the following raw materials: 80 kg of aromatic polyurethane emulsion (30% solid content), 120 kg of ordinary tap water, 30 kg of emulsifier, 5 kg of amino silicone oil, and 8 kg of silicone defoamer , 2 kg of silicone leveling agent, 4 kg of non-ionic polyurethane polymer.

[0036] 2. The preparation method of the water-based PU color-changing treatment agent for synthetic leather of the present invention is as follows:

[0037] ① Select 80 kg of aromatic polyurethane emulsion (30% solid content) according to the above ratio, 120 kg of ordinary tap water, 30 kg of emulsifier, 5 kg of amino silicone oil, 8 kg of silicone defoamer, 2 kg of silicone leveling agent, and stir 3 hours, fully mixed, set aside;

[0038] ② Grinding and filtering the reaction mixture obtained in step ①;

[0039] ③ Take the mixture obtained by filtering in step ② and add 4 kg of non-ionic polyurethane polym...

Embodiment 3

[0044] 1. The water-based PU color-changing treatment agent for synthetic leather is composed of the following raw materials: 70 kg of aliphatic polyurethane dispersion (30% solid content), 120 kg of ordinary tap water, 30 kg of emulsifier, 5 kg of amino silicone oil, and 8 kg of silicone defoamer kg, silicone leveling agent 2 kg, non-ionic polyurethane polymer 4 kg.

[0045] 2. The preparation method of the water-based PU color-changing treatment agent for synthetic leather of the present invention is as follows:

[0046] ① Select 70 kg of aliphatic polyurethane dispersion (30% solid content) according to the above ratio, 100 kg of ordinary tap water, 24 kg of emulsifier, 4 kg of amino silicone oil, 6 kg of silicone defoamer, 1.5 kg of silicone leveling agent, , stirred for 2 hours, fully mixed, and set aside;

[0047] ② Grinding and filtering the reaction mixture obtained in step ①;

[0048] ③ Take the mixture obtained by filtering in step ② and add 3 kilograms of nonionic...

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Abstract

The invention discloses an aqueous PU color changing treating agent used for synthetic leather, which comprises the following raw materials by weight percent: 30-40% of aqueous polyurethane resin, 10-15% of emulsifying agent, 1-3% of amino silicone oil, 0.5-1% of organic silicon flatting agent, 2-5% of organic silicon antifoaming agent, 0.5-2% of aqueous polyurethane thickening agent and 40-60% of water. The aqueous PU color treating agent used for synthetic leather of the invention takes water as solvent to replace toxic solvent, such as dimethyl fomamide, butanone and the like and has the performance of being non-combustible, safe, environment-friendly and saving cost. The aqueous PU color treating agent also has the advantages of no influence on the original effect of leather surfaces, good hand feel, fine and smooth texture, good air permeability and the like, especially when being used in treating sheep bar leather. The synthetic leather manufactured by the color changing treating agent in the invention has fine comprehensive effects, such as hand feel, smoothness, water proof, waxy feel and the like.

Description

technical field [0001] The invention relates to a surface treatment agent for synthetic leather, in particular to a water-based PU color-changing surface treatment agent for synthetic leather used in the back-stage process of synthetic leather. Background technique [0002] At present, synthetic leather products have gradually become a popular trend in the future, and synthetic leather has been widely used in the production of luggage, clothing, footwear and other products. The base fabric of PU leather is a canvas PU material with good tensile strength. In addition to being coated on the top of the base fabric, the base fabric can also be included in the middle, so that the existence of the base fabric cannot be seen from the outside. PU leather has physical properties. Good, resistance to twists and turns, good softness, high tensile strength, and breathability, so PU leather is widely used in the fabric of footwear or the weight-bearing parts of bags. [0003] At present...

Claims

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Application Information

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IPC IPC(8): D06M15/643D06M15/564D06M13/50C08L75/04
Inventor 时云刚
Owner JIANGSU BAOZE POLYMER MATERIAL
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