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A kind of core-shell structure emulsion deepening agent for polyester fabric and preparation method thereof

A core-shell structure and polyester fabric technology is applied in the field of core-shell structure emulsion deepening agent and its preparation, which can solve the problems of cumbersome operation process, small molecular weight of organosilsesquioxane, limitation and the like, save textile resources, avoid Shade yellowing, to avoid the effect of hard feel

Active Publication Date: 2017-06-06
科凯精细化工(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The existing Chinese patent application No. 201410299181.2 discloses a high-efficiency darkening agent and its preparation and finishing application method. After rolling, heat setting is attached to the surface of the fiber, and then the second step of padding is carried out to cover the rough fiber surface with a silicone film. Although the deepening principle of this technology is basically consistent with the present invention, because it adopts a two-step finishing application process, not only The operation process is cumbersome, and the high temperature effect may damage the dye structure, so the use of this darkening agent is limited
[0006] The existing Chinese invention patent with application number 201310636510.3 discloses a darkening agent, its preparation method and a method for improving the color fastness of dyed textiles. Agent, because the active hydrogen on the amino group, especially the primary amino group, is very easy to oxidize and decompose to form a chromophore, resulting in yellowing and affecting the shade, so the use of this darkening agent is also limited
[0007] The existing Chinese patent application number 201210419746.7 discloses a polyester fabric darkening agent copolymer emulsion and its preparation method, which discloses the compounding of organosilsesquioxane and modified amino silicone oil with epoxy chloroalkyl compounds The preparation of the darkening agent, but the molecular weight of the organosilsesquioxane prepared by it is small, so that the adhesion on the fiber is small and the film-forming property is poor, so the application of the darkening agent is also limited.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • A kind of core-shell structure emulsion deepening agent for polyester fabric and preparation method thereof
  • A kind of core-shell structure emulsion deepening agent for polyester fabric and preparation method thereof
  • A kind of core-shell structure emulsion deepening agent for polyester fabric and preparation method thereof

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Embodiment 1

[0037] The preparation of core-shell structure emulsion deepening agent comprises steps:

[0038]Add 0.25g of dodecyldimethylbenzyl ammonium chloride into the reactor, then add 0.25g of fatty alcohol polyoxyethylene ether (AE0-3) and 25g of deionized water, heat and stir, and control the temperature to 45°C , after it was completely dissolved, 6 g of methyl methacrylate monomer was slowly added into the reactor, and the stirring was continued at a stirring speed of 1000 revolutions per minute, and the stirring time was 35 minutes.

[0039] 2) Reduce the stirring speed to 200 rpm, adjust the reaction temperature to 75°C, and add 10 mL of 0.1% azobisisobutylamidine hydrochloride aqueous solution with a certain concentration prepared in advance to the above reactor drop by drop , control the dropping time for 2 hours. After all the drops are completed, a transparent liquid with blue light is obtained. Cool down to 70°C, add 0.3mL of a pre-prepared 1mol / L tetramethylammonium hydro...

Embodiment 2

[0047] The preparation of core-shell structure emulsion deepening agent comprises steps:

[0048] 1) Add 0.3 g of dodecyl dimethyl benzyl ammonium chloride into the reactor, then add 0.3 octylphenol polyoxyethylene ether (OP-10) and 20 g of deionized water, heat and stir, and control the temperature to 50°C, after it is completely dissolved, slowly add 10 g of ethyl methacrylate monomer into the reactor, and keep stirring at a stirring speed of 1000 rpm for 40 minutes.

[0049] 2) Reduce the stirring speed to 250 rpm, adjust the reaction temperature to 80° C., and add 10 mL of 0.1% azoisobutylcyanoformamide aqueous solution with a certain concentration prepared in advance to the above reactor dropwise, Control the dropping time to 2.5 hours. After all the drops are completed, a transparent liquid with blue light is obtained. Cool down to 70°C, add 0.4 mL of a pre-prepared 1 mol / L potassium hydroxide aqueous solution, and adjust the pH to 10-11.

[0050] 3) In another reactor,...

Embodiment 3

[0057] The preparation of core-shell structure emulsion deepening agent comprises steps:

[0058] 1) Add 0.1 g of dodecyl dimethyl benzyl ammonium chloride and 0.1 g of cetyl trimethyl ammonium bromide into the reactor, and then add 0.2 g of fatty alcohol polyoxyethylene ether (AE0-3) , 0.3g of octylphenol polyoxyethylene ether (OP-10) and 20g of deionized water, heated and stirred, and the temperature was controlled at 40°C. After it was completely dissolved, 4g of methyl methacrylate was slowly added to the reactor, Stir continuously, the stirring speed is 900 rpm, and the stirring time is 30 minutes.

[0059] 2) Reduce the stirring speed to 200 rpm, adjust the reaction temperature to 78°C, and add 10 mL of 0.1% azobisisobutylamidine hydrochloride aqueous solution with a certain concentration prepared in advance to the above reactor drop by drop , control the dropping time to 2 hours. After all the drops are completed, a transparent liquid with blue light is obtained. The t...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention relates to a core-shell emulsion deepening agent for polyester fabric and a preparation method thereof. The preparation method comprises the following steps: carrying out emulsion polymerization by taking acrylate monomer as a core monomer and organo-siloxane monomer as a shell monomer to generate a polyacrylate-polysiloxane core-shell emulsion; taking the polyacrylate-polysiloxane core-shell emulsion as an intensifier deep agent of a polyester fabric, and utilizing the flexibility and film-forming property of an organosilicone section, and hard texture and difficulty in melting of polyacrylate to form emulsion particles with hard core and soft core; forming a layer of uneven irreflexive film on the surface of the treated fabric, and combing the low refractive index of the organosilicone section and polyacrylate so as to ensure the great increase of incident light absorptive amount of the fabric, so that the reflected light is reduced and the effect of increasing the fabric color depth can be achieved. The preparation method disclosed by the invention has the characteristics of being easy in operation and control and environmentally friendly, and having no pollution. The deepening rate of the polyester fabric treated by the intensifier deep agent exceeds 20%, the fabric has small chromatic aberration and smooth hand feeling and the intensifier deep agent has small influence on dry and wet crockfastness and soaping fastness of the fabric.

Description

technical field [0001] The invention belongs to the field of textile dyeing and finishing auxiliaries, and in particular relates to a core-shell structure emulsion darkening agent for polyester fabrics and a preparation method thereof. Background technique [0002] As a traditional pillar industry of our country, the textile industry is widely used in industry, agriculture, aquatic products, medicine, national defense industry, etc., and plays a great role in promoting the development of the national economy. However, the rapid development of economy has brought a series of problems to resources and environment. In the 2007 government work report, it has been clearly stated that energy saving and consumption reduction are the primary task and breakthrough point for adjusting the economic structure. The water consumption of the printing and dyeing industry accounts for the second largest in the national manufacturing industry, the wastewater discharge is the sixth in the cou...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06M15/19C08G77/442D06M101/32
Inventor 任一波周文张萍顾永欢
Owner 科凯精细化工(上海)有限公司
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