Mold-proof paint as well as preparation method and application thereof
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An anti-mildew and coating technology, applied in anti-fouling/underwater coatings, coatings, paints containing biocides, etc., can solve the problems of poor anti-bacterial and anti-mildew properties, mildew and corruption, loss of original value, etc. Inexpensive, stable in nature, and the effect of preventing the reproduction of microorganisms
Inactive Publication Date: 2018-05-29
CHANGDE JINDE NEW MATERIAL TECH CO LTD
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Problems solved by technology
However, the antibacterial and anti-mildew performance of ordinary anti-mold film is poor, and fresh food is easy to lose its original value due to mildew and corruption due to the proliferation of microorganisms.
Method used
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preparation example Construction
[0029] The preparation method of the above-mentioned mildew-resistant coating according to an embodiment of the present invention includes the following steps S1-S3:
[0030] S1. Weigh each raw material according to the parts by mass.
[0031] S2. Put the resin and solvent into the reaction kettle, raise the temperature to 30-65° C., and stir at 100-300 rpm for 5-15 minutes.
[0032] S3. Put the remaining raw materials into the reaction kettle, and continue to stir at 500-800 rpm for 3-5 hours to obtain the anti-mildew coating.
[0033] The preparation method of the above-mentioned anti-mold coating is simple and easy to implement. The obtained anti-mold coating is coated on the surface of the film and after the water evaporates to form a coating, the anti-mold component is exposed on the surface of the coating in an embedded manner. After contacting with microorganisms, It can effectively eliminate microorganisms or prevent the germination of dormant bodies such as spores to...
Embodiment 1
[0037] Weigh each raw material according to the following parts by mass: 65 parts of polyvinyl alcohol (1788), 7 parts of sodium diacetate, 1 part of arbutin, 1 part of thymol, 3 parts of Houttuynia cordata injection, 1 part of citral, 0.8 parts of borneol, 0.5 parts of citronellal, 0.5 parts of chitinase, 1.5 parts of β-glucanase, 2 parts of litsea cubeba oil, 0.1 part of potassium chloride, 28 parts of water, 0.5 parts of surfactant and three 0.5 parts of ethylamine. Put polyvinyl alcohol (1788) and water into the reactor, heat the reactor to 55° C., turn on the stirring device, and stir at 300 rpm for 10 min. Then put the remaining raw materials into the reaction kettle, and continue stirring at 800rpm for 4 hours to obtain the anti-mildew coating.
Embodiment 2
[0039] The experimental procedure of embodiment 2 is basically the same as that of embodiment 1, except that the raw materials do not include citral, borneol and citronellal.
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Abstract
The invention relates to a mold-proof paint as well as a preparation method and application thereof. The mold-proof paint is prepared from the following raw materials in parts by mass: 60 to 70 partsof resin, 5 to 8 parts of sodium diacetate, 0.5 to 2 parts of arbutin, 0.5 to 2 parts of thymol, 2 to 5 parts of houttuynia cordata injection, 25 to 30 parts of a solvent and 0.3 to 2 parts of assistants. The mold-proof paint disclosed by the invention has the advantages that the resin with good chemical stability and low possibility of molding are taken as main body materials and other mold-proofcomponents are dissolved in molecular chain gaps of the mold-proof paint; after the mold-proof paint coats the surface of a thin film and a coating is formed by evaporating water, the mold-proof components are exposed to the surface of the coating in an embedded manner; after being contacted with microorganisms, the mold-proof components can effectively kill microorganisms or prevent germinationof hypopus such as spores so as to achieve the aim of preventing microbial reproduction; the mold-proof coating has excellent bactericidal effect and mold resistance, so that storage life of food canbe significantly prolonged.
Description
technical field [0001] The invention relates to the field of anti-mold technology, in particular to an anti-mold coating and its preparation method and application. Background technique [0002] Fresh food is an important source of nutrients that people need daily, and has unique shape, color, aroma and taste. Fresh food has high water content and rich nutrition, but it is not resistant to storage, and it is easy to perish and deteriorate, resulting in a decrease in quality, or even a complete loss of commodity value and nutritional value. The storage and preservation of fresh food is the continuation of production activities. Maintaining food quality and freshness is one of the important goals that people pursue, and it is a problem that must be solved in the process of food storage, transportation and circulation. [0003] At present, in the field of food packaging and transportation in family life, supermarkets, hotels and restaurants, and industrial production, a method...
Claims
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Application Information
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