A kind of latex particle anti-reflection coating liquid and its preparation method and application

An anti-reflection, latex particle technology, used in textiles, papermaking, fiber processing, etc., can solve problems such as the morphology of additives that are not mentioned, and achieve the effect of avoiding dependence and making the finishing process simple and easy.

Active Publication Date: 2017-07-07
ZHEJIANG SCI-TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When these two methods are used, although the finishing fabric obtains a deepening effect, the patent does not mention the morphology of the auxiliary agent on the surface of the finishing fabric, and there is no description of deepening the fabric based on "nano-rough surface".

Method used

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  • A kind of latex particle anti-reflection coating liquid and its preparation method and application
  • A kind of latex particle anti-reflection coating liquid and its preparation method and application
  • A kind of latex particle anti-reflection coating liquid and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Weigh 0.2g of sodium lauryl sulfate and add it to 74.77g of water. After mechanically stirring and mixing, add 10g of methyl methacrylate and 8g of divinylbenzene to the solution. After mechanically stirring, put it in N in the water bath 2 15min, after heating up to 75℃, dissolve 0.03g potassium persulfate in 5g water and add it to the above reaction mixture. After 2.5 hours of reaction, the reaction solution (ie the latex core structure emulsion) is obtained, which is slowly dripped into the reaction solution Add 1.5g of butyl acrylate and 0.5g of methacryloxypropyltrimethoxysilane, and add dropwise within 0.5h. After continuing the reaction for 3 hours, the temperature was raised to 90° C. and kept for 30 minutes to prepare an anti-reflective coating liquid composed of the latex particle solution product 1 with a core-shell structure, with a solid content of 20%.

[0046] Dilute the product 1 and use the Malvern nanometer to measure the particle size distribution curve,...

Embodiment 2

[0050] Weigh 0.5g of sodium dodecylbenzene sulfonate into 67.46g of water, mechanically stir and mix well, then add 12g of methyl methacrylate and 8g of ethylene glycol dimethacrylate to the solution. After stirring evenly, put it in a water bath and pass N 2 After 20min, when the temperature reaches 70℃, dissolve 0.04g potassium persulfate in 5g water and add it to the above reaction mixture. After reacting for 2h, slowly add 5g butyl acrylate and 2g methacryloyloxy to the reaction solution. The mixed solution of propyltrimethoxysilane was added dropwise within 2h. After continuing the reaction for 2.5 hours, the temperature was raised to 85° C. and kept for 45 minutes to prepare an anti-reflective coating liquid composed of a core-shell structure latex particle solution product 2 with a solid content of 27%.

[0051] Figure 4 It is a TEM picture of product 2. From Figure 4 It can be seen that the product 2 has formed a core-shell structure and still maintains a good dispersi...

Embodiment 3

[0053] Weigh 1g of sodium alkyl sulfonate and add it to 68.95g of water, mechanically stir and mix well, add 10g of methyl methacrylate and 5g of divinylbenzene to the solution, and after mechanically stir evenly, put it into a water bath Zhongtong N 2 20min, after the temperature reaches 80℃, dissolve 0.05g ammonium persulfate in 5g water and add it to the above reaction mixture. After reacting for 3h, slowly drop 8g acrylonitrile and 2g [4-(methacrylic acid) into the reaction solution. The mixture of acyloxy)butyl]pentamethylsiloxane was added dropwise within 2h. After continuing the reaction for 3 hours, the temperature was raised to 90° C. and kept for 40 minutes to prepare an anti-reflective coating liquid composed of a core-shell structure latex particle solution product 3, with a solid content of 25%.

[0054] Figure 5 It is an AFM photo of the latex film of product 3, and it can be seen that the surface of the coating film has an uneven nano rough structure. by image 3...

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Abstract

The invention discloses a latex particle anti-reflection coating solution and its preparation method and its application on polyester fabrics. The preparation method comprises: fully stirring an emulsifier and a part of water to form an emulsifier aqueous solution, and preparing Add the core monomer and cross-linking agent into the emulsifier aqueous solution, pass through the protective gas to remove oxygen for 15-20 minutes, when the temperature rises to 70°C-80°C, add the initiator and the rest of the water, and react for 2-3 hours to obtain the latex core structure emulsion; add the first shell monomer and the second shell monomer dropwise to the core structure emulsion of the latex, and the dropping time is 1 to 1.5 hours. After the addition, continue to react for 2 to 3 hours, Insulate at ~90°C for 30-45 minutes to obtain an anti-reflection coating solution for latex particles. The coating liquid of the present invention can form a low-refractive-index nano-rough surface on the surface of the polyester fabric, thereby realizing anti-reflection and deepening of the polyester fabric. Moreover, the structure bonds fibers with the shell layer to endow the finishing effect with durability.

Description

Technical field [0001] The invention relates to a textile auxiliary agent and the preparation field thereof, in particular to a latex particle anti-reflection coating liquid, a preparation method thereof and its application on polyester fabrics. Background technique [0002] Polyester fabric has the advantages of abrasion resistance, stiffness, easy washing, quick-drying, etc., and is welcomed by consumers. However, because the surface of polyester fiber is smooth, there are few reactive groups and fiber (n f =1.73) and air (n 0 =1.0) The difference in refractive index is large. The incident light is largely reflected on the fiber surface, and only a small part of the light refracts into the fiber, and is selectively absorbed by the dye to form colored light. Therefore, the saturation of the cloth surface is poor, and it is difficult to show such as dark green, Deep color effects such as navy blue, purple red, and ink black. Especially when the fiber size decreases, because the s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06M15/263D06M15/356D06M15/233D06M15/31C08F220/14C08F220/18C08F230/08C08F220/44C08F212/36D06M101/32
Inventor 杨雷宋庆婷沈一峰
Owner ZHEJIANG SCI-TECH UNIV
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