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Method for preparing polyacrylate/nanometer ZnO composite coating printing binder by using Pickering emulsion polymerization method

A technology of polyacrylate and emulsion polymerization, which is applied in dyeing, textiles and papermaking, etc. It can solve the problems of limited pigment printing application, color fastness to hot sticky and cold brittle printing, and easy occurrence of network blocking and pulp cracking, etc., to achieve Improve color fastness, improve hot sticking and cold brittleness, small size effect

Inactive Publication Date: 2014-03-05
河北汇彩永泰科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it has defects such as "hot stickiness and cold brittleness" and low printing color fastness, and it is prone to network blocking and cracking during the printing process of fabrics, which largely limits the application of pigment printing

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] 1) Mix 1.36g of nano-ZnO, 0.55g of allyloxynonylphenol polyoxyethylene ether ammonium sulfate and 41g of water, and use an ultrasonic pulverizer to sonicate for 10min at an ultrasonic power of 400W to prepare uniform nano-ZnO and the aqueous dispersion of allyloxynonylphenol polyoxyethylene ether ammonium sulfate; then add 13.63g of butyl acrylate and 13.63g of methyl methacrylate was emulsified for 10min at a rotational speed of 3000r / min using an emulsifier to obtain a Pickering emulsion;

[0020] 2) Pour the Pickering emulsion into a 250mL three-neck flask equipped with a stirrer and a condensing device, then raise the temperature to 70°C at a stirring speed of 250r / min, and then dropwise add 0.25g of ammonium persulfate and 75g of ammonium persulfate within 150min The aqueous solution of ammonium persulfate prepared from water is kept for 2 hours after the dropwise addition, and then naturally cooled to room temperature, and the material is filtered to obtain the po...

Embodiment 2

[0022] 1) Mix 1.36g of nano-ZnO, 0.55g of allyloxynonylphenol polyoxyethylene ether ammonium sulfate and 41g of water, and use an ultrasonic pulverizer to sonicate for 30min at an ultrasonic power of 400W to prepare uniform nano-ZnO and the aqueous dispersion of allyloxynonylphenol polyoxyethylene ether ammonium sulfate; then add 16.36g of butyl acrylate and 10.91 g of methyl methacrylate was emulsified for 10 min at a rotational speed of 3000 r / min using an emulsifier to obtain a Pickering emulsion;

[0023] 2) Pour the Pickering emulsion into a 250mL three-neck flask equipped with a stirrer and a condensing device, then raise the temperature to 70°C at a stirring speed of 250r / min, and then dropwise add 0.25g of ammonium persulfate and 75g of ammonium persulfate within 150min The aqueous solution of ammonium persulfate prepared from water is kept for 3 hours after the dropwise addition, and then naturally cooled to room temperature, and the material is filtered to obtain the...

Embodiment 3

[0025] 1) After mixing 1.91g of nano-ZnO, 0.55g of allyloxynonylphenol polyoxyethylene ether ammonium sulfate and 41g of water, use an ultrasonic pulverizer to sonicate for 30min at an ultrasonic power of 400W to prepare uniform nano-ZnO and the aqueous dispersion of allyloxynonylphenol polyoxyethylene ether ammonium sulfate; then add 16.36g of butyl acrylate and 10.91g of methyl methacrylate was emulsified for 5min at a rotational speed of 4000r / min using an emulsifier to obtain a Pickering emulsion;

[0026] 2) Pour the Pickering emulsion into a 250mL three-necked flask equipped with a stirrer and a condensing device, then raise the temperature to 75°C at a stirring speed of 250r / min, and then dropwise add 0.41g of ammonium persulfate and 80g of ammonium persulfate within 180min The aqueous solution of ammonium persulfate prepared from water is kept for 3 hours after the dropwise addition, and then naturally cooled to room temperature, and the material is filtered to obtain ...

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Abstract

The invention discloses a method for preparing a polyacrylate / nanometer ZnO composite coating printing binder by using a Pickering emulsion polymerization method. The method comprises the steps: mixing nanometer ZnO, allyloxy nonylphenol polyoxyethylene ether ammonium sulfate and water, and then, carrying out uniform ultrasonic treatment by using an ultrasonic pulverizer to obtain an aqueous dispersion of nanometer ZnO and allyloxy nonylphenol polyoxyethylene ether ammonium sulfate; then, adding butyl acrylate and methyl methacrylate into the aqueous dispersion and emulsifying to obtain a Pickering emulsion; carrying out free radical polymerization on the Pickering emulsion by taking ammonium persulfate as an initiator to obtain the polyacrylate / nanometer ZnO composite coating printing binder. By using the method, the defects of hot sticking and cold brittleness of polyacrylate binders can be overcome; after the prepared polyacrylate / nanometer ZnO composite coating printing binder is applied to a fabric coating printing process, the phenomena including mesh clogging and crazing cannot be caused, and a coating printed fabric has favorable color fastness.

Description

technical field [0001] The invention relates to a method for preparing a pigment printing adhesive for fabrics, in particular to a method for preparing a polyacrylate / nanometer ZnO composite pigment printing adhesive by a Pickering emulsion polymerization method. Background technique [0002] Pigment printing is the simplest and most common printing method. It uses the principle of adhesive to form a film on the surface of the fabric to adhere various pigments without affinity and reactivity to the fabric, thus giving the fabric various colors and colors. Pattern, which has the advantages of simple process, no washing after color fixing, energy saving and water saving, etc. It is suitable for various fibers and blended fabrics. Polyacrylate printing adhesives have excellent film-forming properties, adhesive properties, weather resistance and gloss and color retention, and have become the most widely used film-forming substances in textile pigment printing materials. However...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F220/18C08F220/14C08F2/44C08F2/26D06P1/52D06P1/673
Inventor 高党鸽冯军芳吕斌马建中魏青
Owner 河北汇彩永泰科技有限公司
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