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Pigment printing binding agent and synthesizing method thereof

A technology of pigment printing and synthesis method, applied in dyeing method, textile and papermaking, etc., can solve the problems of restricting the rapid development of pigment printing, taking into account the hand feeling and fastness, etc., and achieving excellent hand feeling and excellent color fastness. , the effect of low formaldehyde emission

Active Publication Date: 2012-10-03
成都德美精英化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The most commonly used PA emulsion binder in the domestic printing industry is difficult to make a major breakthrough in the two core indicators of hand feel and fastness, which restricts the rapid development of pigment printing in my country

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] 1. Synthesis of silicone-acrylic copolymer emulsion: Weigh 100 grams of deionized water, 2 grams of acrylic acid, 50 grams of butyl methacrylate, 15 grams of ethyl methacrylate, 11 grams of styrene, 1 gram of hydroxyl silicone oil, azoiso Add 0.1 g of butyronitrile, add 0-25 1 g of Pingping, emulsify at room temperature for 10 minutes at a high speed, and then react at a temperature of 40 ° C for 1 hour to prepare a silicone-acrylic copolymer emulsion;

[0031] 2. Synthesis of water-based polyurethane: Weigh 10 grams of dehydrated polyether diol, 2 grams of 1,4-butanediol and 20 grams of toluene diisocyanate, react at 70°C for 2 hours, then cool down to below 40°C, add 2 grams of triethylamine were neutralized, and 0.15 grams of ethylenediamine and 100 grams of deionized water were emulsified under high-speed shearing to obtain a water-based polyurethane prepolymer.

[0032] The above-prepared prepolymer was kept at 70° C. for 0.15 hours, and then the acetone was remove...

Embodiment 2

[0035] 1. Synthesis of silicone-acrylic copolymer emulsion: Weigh 100 grams of deionized water, 3 grams of acrylic acid, 50 grams of butyl methacrylate, 14 grams of ethyl methacrylate, 14 grams of styrene, 3 grams of hydroxyl silicone oil, azoiso Add 0.2 g of butyronitrile, add 0-25 1 g, emulsify at room temperature for 15 minutes at high speed, and then react at 100°C for 2 hours to prepare a silicone-acrylic copolymer emulsion;

[0036] 2. Synthesis of water-based polyurethane: Weigh 18 grams of dehydrated polyether diol, 7 grams of 1,4-butanediol, and 23 grams of toluene diisocyanate, react at 85°C for 3 hours, then cool to below 40°C, add 5 grams of triethylamine were neutralized, and 0.5 grams of ethylenediamine and 300 grams of deionized water were emulsified under high-speed shearing to obtain a water-based polyurethane prepolymer.

[0037] The prepolymer prepared above was kept at 70° C. for 0.5 hour, and then the acetone was removed by vacuuming to obtain water-based ...

Embodiment 3

[0040] 1. Synthesis of silicone-acrylic copolymer emulsion: Weigh 150 grams of deionized water, 2.4 grams of acrylic acid, 55 grams of butyl methacrylate, 18 grams of ethyl methacrylate, 19 grams of styrene, 1 gram of hydroxyl silicone oil, azoiso Add 0.17g of butyronitrile, add 0-252g of Pingping, emulsify at room temperature for 10 minutes at high speed, and then react at a temperature of 90°C for 1 hour to prepare a silicone-acrylic copolymer emulsion;

[0041] 2. Synthesis of water-based polyurethane: Weigh 17 grams of dehydrated polyether diol, 6 grams of 1,4-butanediol and 20 grams of toluene diisocyanate, react at 100 ° C for 2 hours, then cool to below 40 ° C, add 6 grams of triethylamine were neutralized, and 0.15 grams of ethylenediamine and 300 grams of deionized water were emulsified under high-speed shearing to obtain a water-based polyurethane prepolymer.

[0042] The prepolymer prepared above was kept at 78° C. for 0.5 hour, and then the acetone was removed by vac...

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PUM

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Abstract

The invention provides a pigment printing binding agent and a synthesizing method thereof. The binding agent is prepared from silicone-acrylate copolymer, aqueous polyurethane, liquid rubber, an emulsifying agent and the like. By taking advantage of the high film-forming property of polyacrylic acid, the high flexibility of organic silicone, the high air permeability of polyurethane and the high elasticity of the liquid rubber, the high-fastness and super-soft pigment printing binding agent is prepared by a complex synergistic technology. The binding agent has high film-forming property, air permeability, flexibility and elasticity, good handfeel and high color fastness. After the binding agent is applied to a printing fabric, the release amount of a harmful substance, namely formaldehyde, is small.

Description

technical field [0001] The invention belongs to the technical field of chemical and chemical synthesis, in particular to the technical field of polymer synthesis and processing, in particular to a method for synthesizing an ultra-soft paint printing adhesive. Background technique [0002] Water-based pigment printing / pigment dyeing technology is an environmentally friendly printing and dyeing technology that conforms to the sustainable development strategy and is the development direction of the world's printing and dyeing technology. The pigment printing technology of clean printing and dyeing technology has significant practical significance for printing and dyeing enterprises to reduce production costs, increase product added value, and promote energy saving and consumption reduction in the entire textile industry. [0003] Today's global pigment printing has an average share of 60% in the total printing market share, which is the largest proportion of all pigment printin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06P1/52D06P1/62C08F283/12C08F220/18C08F212/08C08G18/66C08G18/48
Inventor 陈荣义刘钢谌涛
Owner 成都德美精英化工有限公司