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Photochromic fragrance slow-release water-based coating and preparation method thereof

A technology of photochromic and water-based coatings, applied in the field of coatings, to achieve good visual effects, inhibit mold growth, and improve the life of coatings

Inactive Publication Date: 2019-12-03
TIANJIN UVOS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is no photochromic coating available

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] 1. Preparation of essence microcapsules (in situ polymerization method)

[0037] Take 10kg of rose essence, add 50kg of emulsifier SMA, emulsify and shear until the particle size is about 2.5 microns, dissolve 15kg of water-based melamine resin in 80kg of deionized water, slowly add the mixture of melamine resin and deionized water, and continue to use 10000rpm Speed ​​emulsification and shearing to a uniformly distributed emulsion of about 2.5 microns; transfer the emulsion to a 250mL conical flask, heat and stir at 60 degrees Celsius for 1 hour, then raise the temperature to 90 degrees Celsius at a rate of half an hour per 10 degrees Celsius, drop to room temperature, and use 10 %NaOH was used to adjust the pH of the emulsion to 8 to obtain essence microcapsules.

[0038] 2. Preparation method of photochromic microcapsules (interfacial polymerization method)

[0039] Dissolve 2kg of photochromic raw powder in 30kg of oil (801) and 30kg of water-based melamine resin, ...

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PUM

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Abstract

The invention provides a photochromic fragrance slow-release water-based coating. The specific formula comprises the following components: 1-7 parts of phenoxyethanol, 2-5 parts of a composite mould inhibitor F-114, 2-10 parts of a film-forming auxiliary agent, 5-20 parts of photochromic MC powder, 5-15 parts of essence microcapsules, 2-5 parts of a dispersant, 2-5 parts of a water-based light stabilizer, 2-5 parts of a levelling agent, 3-5 parts of a thickening agent, 10-20 parts of deionized water, 70-100 parts of methacrylic resin polymer as a filler, and 40-60 parts of filler calcium carbonate. According to the coating provided by the invention, essence is subjected to microencapsulated wrapping, the particle size is maintained at about 2.5 microns, the fragrance slow release period isas long as one year or more, at the same time, the photochromic microcapsules are applied to the water-based coating for the first time, and the coating can show a color change effect under ultraviolet radiation and return to an own color in the absence of sunlight or ultraviolet rays, has an ultraviolet intensity indicator function outdoors, and prompts people to perform ultraviolet protection;and the multifunctional coating provided by the invention opens the situation of serious homogenization of products in a coating market.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a photochromic fragrance slow-release water-based coating and a preparation method thereof. Background technique [0002] In the existing water-based paint, the water-soluble resin used can be mixed with water in any ratio, so that the paint has good leveling property, and the use of water as the dispersion medium instead of the previous organic solvent not only avoids the occurrence of fire hazards caused by the paint, It is also in line with the modern people's green, safe and environmentally friendly life philosophy. However, in the current coatings market, there are serious defects in product homogeneity, fierce market competition, and price wars make profits meager. [0003] The present invention aims to create a multi-functional water-based paint. By collecting and analyzing the prior art and combining the applicant's technical status, it is planned to produce a photochromic water-...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D5/29C09D5/14C09D7/40
CPCC08K2003/265C09D5/14C09D5/29C09D133/04C09D7/40C08K9/10C08K5/00C08K3/26C08K5/06C08K13/06
Inventor 汪丰孟继本刘宗张丽鑫席志强孟祥美
Owner TIANJIN UVOS TECH CO LTD
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