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Bacterium-inhibiting and fresh-keeping paint containing natural plant extracting solution and preparation method thereof

A technology of natural plants and extracts, which is applied in the field of coatings to achieve the effects of saving energy, inhibiting the formation of germs, and reducing biological toxicity

Active Publication Date: 2017-02-15
HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, water-based paint for interior walls has been relatively stable and mature in terms of conventional performance and environmental protection. With the improvement of people's living standards, the technical requirements of this industry are getting higher and higher. Conventional interior wall paints can no longer meet people's requirements. Development of functional aspects of coatings
[0003] Although there are many studies on the inhibition of post-harvest pathogenic bacteria by plant extracts, there are few studies on the application of natural plant extracts in coatings during the preservation of fruits and vegetables. There are certain differences, and it is necessary to determine the best application conditions and techniques for the use of natural plant extracts in coatings for different degrees of freshness of fruits and vegetables

Method used

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  • Bacterium-inhibiting and fresh-keeping paint containing natural plant extracting solution and preparation method thereof
  • Bacterium-inhibiting and fresh-keeping paint containing natural plant extracting solution and preparation method thereof
  • Bacterium-inhibiting and fresh-keeping paint containing natural plant extracting solution and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A kind of natural plant extract of the present invention inhibits pathogen fresh-keeping paint, comprises the following components by weight:

[0028]

[0029]

[0030] The aqueous synthetic resin emulsion is vinyl acetate-ethylene copolymer emulsion. The solid content of the vinyl acetate-ethylene copolymer emulsion is 54-56%. The vinyl acetate-ethylene copolymer emulsion of the present invention is a known product, which can be purchased from Wacker Chemie EZ3010.

[0031] The wetting agent is alkyl polyoxyethylene ether. For Clariant's LCN407.

[0032] The dispersant is ammonium polyacrylate. 963 for Dow.

[0033] The defoamer is BASF's A10.

[0034] Described titanium dioxide is the rutile titanium dioxide produced by chlorination method, is the LR996 of Lomon;

[0035] The filler is a combination of calcined kaolin, diatomite, and heavy calcium carbonate; the calcined kaolin is calcined kaolin DB80 from Shanxi Jinyu, the diatomite is Celite diatomite 499...

Embodiment 2

[0054] The difference between embodiment 2 and embodiment 1 is:

[0055] A kind of natural plant extract of the present invention inhibits pathogen fresh-keeping paint, comprises the following components by weight:

[0056]

[0057] The thickener is polyacrylate.

[0058] The wetting agent is polyoxyethylene alkylphenol ether.

[0059] The filler is calcined kaolin.

[0060] The preparation method of the natural plant extract of the present invention inhibiting pathogenic bacteria fresh-keeping coating, comprises the steps:

[0061] In step (1), weigh the above-mentioned substances according to the mass percentage, add deionized water into reaction tank A in turn, stir at a speed of 150rpm, heat up to 50°C, slowly add litsea cubeba and cloves, and Stir at a high speed for 15 minutes; stop and keep warm for 24 hours, filter out the plant residue and reserve the natural plant extract for later use; put the thyme into the distillation device to extract the thyme essential o...

Embodiment 3

[0069] The difference between embodiment 3 and embodiment 1 is: a kind of natural plant extract of the present invention inhibits pathogen fresh-keeping coating, comprises the following components by weight:

[0070]

[0071]

[0072] The wetting agent is polyoxyethylene polyoxypropylene block copolymer.

[0073] The filler is heavy calcium carbonate.

[0074] The preparation method of the natural plant extract of the present invention inhibiting the fresh-keeping paint of germs comprises the following steps:

[0075] In step (1), weigh the above-mentioned substances according to the mass percentage described in claim 1, add deionized water into reaction tank A in turn, stir at a speed of 200rpm, heat up to 50°C, and slowly add litsea cubeba and clove , stirred at a speed of 200rpm for 15min; shut down and keep warm for 24h, filter out the plant residue and leave the natural plant extract for subsequent use; put thyme into a distillation device to extract thyme essentia...

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Abstract

The invention discloses bacterium-inhibiting and fresh-keeping paint containing a natural plant extracting solution and a preparation method thereof. The bacterium-inhibiting and fresh-keeping paint containing the natural plant extracting solution is prepared from the following components in parts by weight: 30 to 60 parts of aqueous synthetic resin emulsion, 15.3 to 25 parts of packing, 0.1 to 0.2 part of cellulose, 0.1 to 0.5 part of a wetting agent, 0.2 to 0.4 part of a dispersant, 0.2 to 0.6 part of a de-foaming agent, 5 to 20 parts of the natural plant extracting solution, 2 to 10 parts of plant essential oil, 10 to 30 parts of de-ionized water, 10 to 30 parts of plant compound powder, 100 to 250 parts of titanium dioxide, 0.1 to 0.8 part of a thickening agent, 0.3 to 0.8 part of a leveling agent, 0.1 to 0.3 part of a pH (Potential of Hydrogen) regulator and 0.1 to 0.15 part of a film-forming addition agent. The bacterium-inhibiting and fresh-keeping paint provided by the invention has the effects of efficiently sterilizing and inhibiting the formation of bacteria.

Description

technical field [0001] The invention belongs to the field of coatings, and in particular relates to a fresh-keeping coating for inhibiting germs by a natural plant extract and a preparation method thereof. Background technique [0002] At present, water-based paint for interior walls has been relatively stable and mature in terms of conventional performance and environmental protection. With the improvement of people's living standards, the technical requirements of this industry are getting higher and higher. Conventional interior wall paints can no longer meet people's requirements. The functional aspects of coatings are developed. [0003] Although there are many studies on the inhibition of post-harvest pathogenic bacteria by plant extracts, there are few studies on the application of natural plant extracts in coatings during the preservation of fruits and vegetables. There are certain differences, and it is necessary to determine the best application conditions and tec...

Claims

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Application Information

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IPC IPC(8): C04B26/04
CPCC04B26/04C04B2111/00482C04B2111/20C04B14/106C04B14/08C04B14/28C04B24/383C04B24/32C04B2103/408C04B2103/50C04B24/00C04B14/305C04B2103/44C04B2103/0068C04B24/2641C04B2103/0094C04B24/26
Inventor 崔佳慧郑毅陈向新赵娟李青春仝其超
Owner HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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