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Photochromic water-based ink for textiles, and preparation method and application thereof

A photosensitive discoloration and textile technology, which is applied in the field of textile printing, can solve the problems of poor light fastness of printing paste, non-continuous processing of easy-plug net, slow coating drying speed, etc., and achieve bright color, excellent washability, fast drying effect

Inactive Publication Date: 2020-04-03
上海驰纺材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a photosensitive color-changing ink for textiles and its preparation method and application. Poor washability, slow drying speed of coating, and non-continuous processing of easy-stop netting, etc., and also solves the problem of poor light fastness of existing photochromic microcapsule printing paste

Method used

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  • Photochromic water-based ink for textiles, and preparation method and application thereof

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preparation example Construction

[0049] 1) Preparation of the water phase: 4 g of gum arabic emulsifier was added to 50 g of deionized water, and stirred to disperse the emulsifier evenly in the water.

[0050] 2) Preparation of oil phase: 4g of photochromic core material, 1g of ultraviolet absorbing core material, 1g of photostable core material, 4g of methyl methacrylate and 2g of pentaerythritol tetraacrylate were mixed evenly.

[0051] 3) Emulsification: After pouring the oil phase into the water phase, shear at a speed of 6000rpm for 20min at high speed; pour the emulsion into a three-necked flask, then add 0.15g of azobisisobutyronitrile, then raise the temperature to 80°C, Under the condition of reflux condensation, the reaction was carried out for 5 hours, and the stirring speed was 300 rpm / min. The product was centrifuged at 5000 rpm in a centrifuge, and the microcapsules were taken out after 10 minutes, washed with deionized water and ethanol respectively, and then freeze-dried to obtain a weather-r...

Embodiment 1

[0053] First dilute the thickener and deionized water according to the ratio of 1:1 for later use, adopt the following weight and feeding sequence, the preparation method of photochromic ink per 1000g parts by weight: take 150g of weather-resistant photochromic microcapsule powder (photochromic core material is spiral Pyran compound, UV absorbing core material is benzotriazole compound, light stable core material is hindered amine compound), add 344g deionized water and 20g dispersant and stir evenly, add 1g defoamer and stir evenly, add 1g Stir well with triethylamine, add 35g diluted spare thickener and stir well, add 120g acrylic resin and stir well, add 100g polyurethane resin and stir well, add 10g crosslinking agent and stir well, add 40g wax emulsion and stir well, add 2g anti Stir the oxidizing agent evenly, add 10g of penetrant and stir evenly, add 5g of leveling agent and stir evenly, add 45g of film-forming agent and stir evenly, add 2g of preservative and stir evenl...

Embodiment 2

[0056] First dilute the thickener and deionized water according to the ratio of 1:1 for later use, adopt the following weight and feeding sequence, the preparation method of photochromic ink per 1000g parts by weight: take 100g of weather-resistant photochromic microcapsule powder (photochromic core material is spiral Oxazine compounds, UV-absorbing core material is benzophenone compound, light-stable core material is hindered amine compound), add 263g deionized water and 30g dispersant and stir evenly, add 1.5g defoamer and stir evenly, add 0.8g of triethanolamine and stir well, add 35g of diluted spare thickener and stir well, add 150g of acrylic resin and stir well, add 100g of polyurethane resin and stir well, add 12g of cross-linking agent and stir well, add 50g of wax emulsion and stir well, add 3g Stir the antioxidant well, add 20g penetrating agent and stir well, add 7g leveling agent and stir well, add 40g film forming agent and stir well, add 3g preservative and stir ...

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Abstract

The invention relates to a photochromic water-based ink for textiles, and a preparation method and an application thereof. The photochromic water-based ink is prepared from a weather-proof photochromic microcapsule powder, an adhesive, a cross-linking agent, a dispersing agent, a wax emulsion, a leveling agent, a film-forming agent, a penetrating agent, a pH regulator, an antifoaming agent, an antioxidant, a preservative, a thickener and deionized water. The photochromic water-based ink for textiles makes up the defects of a commercially available photochromic oily system, realizes zero TVOC emission, meets the requirements of ecological environmental protection, makes up the defects of a commercially available photochromic aqueous system, and has the characteristics of uniform dispersion,long storage time, good stability, excellent washability, high drying speed and good processing continuity.

Description

technical field [0001] The invention belongs to the field of textile printing, in particular to a photosensitive color-changing ink for textiles and a preparation method and application thereof. Background technique [0002] As the environment is getting worse and worse, people's awareness of safety and environmental protection is increasing. In photochromic textile printing, TVOC-free water-based coatings are getting more and more attention. The traditional optical variable printing paste on the market is an oily system, and the dispersion medium is mainly an organic solvent, such as toluene, xylene, methanol, ethyl acetate, etc. Its advantages are low price, stable performance, fast drying speed, and good film-forming properties. The disadvantage is that the TVOC content is high, which will produce a large amount of toxic volatile gas, which poses a great threat to the health of front-line operators and consumers during production, and also causes great damage to the surro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/03C09D11/102C09D11/107D06P1/00D06P1/667D06P1/81
CPCC09D11/107C09D11/102C09D11/03D06P1/004D06P1/667D06P1/81
Inventor 李晓宇王先锋靳晓松阙朋公杜博超周盼红纪新颖
Owner 上海驰纺材料科技有限公司
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