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Kaolin-modified mildew-resistant paperboard paint and preparation method thereof

A kaolin and modified technology, applied in the field of coatings, can solve the problems of destroying the waterproof effect of the coating layer, reducing the mechanical strength of the carton, and degrading the product quality.

Inactive Publication Date: 2016-11-09
铜陵锋帆彩色印务股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Mildew will not only damage the waterproof effect of the paint layer and reduce the mechanical strength of the carton, but also cause a decline in the quality of the products inside the carton.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0015] The invention provides a kind of preparation method based on kaolin modified anti-mildew cardboard coating, comprising:

[0016] 1) The process of decocting Chinese herbal medicines in water to obtain Chinese herbal medicine extracts;

[0017] 2) In the presence of ultraviolet rays, the process of activating kaolin, plant ash, sodium chloroplatinate and molybdenum disulfide to obtain an activated product;

[0018] 3) Under acidic conditions, the process of mixing the activator with the amino acid and performing modification treatment to obtain the modified activator;

[0019] 4) Conduct a contact reaction of acrylic emulsion, polystyrene, dioctyl phthalate, aluminum oxide, boron nitride and sodium nitrite, and then add emulsifiers, modified activators, and Chinese herbal medicine extracts to the reaction system The process of mixing the liquid to obtain a kaolin-modified anti-mildew cardboard coating;

[0020] Among them, Chinese herbal medicines include mugwort leaf,...

Embodiment 1

[0033] 1) Take mugwort leaf, yam, borneol, honeysuckle vine, Chuanxiong, Tongcao, angelica, kudzu root, Trichosanthes bark, Coptis chinensis, and water according to the ratio of 100:52:48:39:28:77:42:31:36:92:500 Mixed by weight, and decocted at 160°C for 5 hours to obtain Chinese herbal medicine extract;

[0034] 2) In the presence of ultraviolet rays with a wavelength of 230nm, kaolin, plant ash, sodium chloroplatinate and molybdenum disulfide were mixed in a weight ratio of 100:62:19:37, and activated at 80°C for 14 hours to obtain an activated product;

[0035] 3) Under the condition of pH 5, the activated substance was mixed with amino acid (weight ratio 100:55) and modified at 55°C for 8 hours to obtain the modified activated substance;

[0036] 4) Mix acrylic emulsion, polystyrene (weight-average molecular weight: 5000), dioctyl phthalate, aluminum oxide, boron nitride and sodium nitrite, and mix them at 100°C and a vacuum of 8MPa The contact reaction was carried out a...

Embodiment 2

[0039] 1) Take mugwort leaf, yam, borneol, honeysuckle, chuanxiong, Tongcao, angelica, kudzu root, melon skin, coptis, and water according to the ratio of 100:45:42:36:24:74:36:22:29:88:400 Mixed in weight ratio, and decocted at 150°C for 4 hours to obtain Chinese herbal medicine extract;

[0040] 2) In the presence of ultraviolet light with a wavelength of 200nm, kaolin, plant ash, sodium chloroplatinate and molybdenum disulfide were mixed in a weight ratio of 100:55:14:32, and activated at 75°C for 12 hours to obtain an activated product;

[0041] 3) Under the condition of pH 4, the activated substance was mixed with amino acid (weight ratio 100:47) and then modified at 50°C for 6 hours to obtain the modified activated substance;

[0042] 4) Mix acrylic emulsion, polystyrene (weight-average molecular weight: 3000), dioctyl phthalate, aluminum oxide, boron nitride and sodium nitrite, and mix them at 95°C and a vacuum of 5MPa The contact reaction was carried out for 1 h, and th...

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Abstract

The invention discloses kaolin-modified mildew-resistant paperboard paint and a preparation method thereof. The preparation method comprises 1, putting Chinese herbal medicines into water and carrying out decoction to obtain Chinese herbal medicine extract, 2, under UV, carrying out activation treatment on kaolin, plant ash, sodium chloroplatinate and molybdenum disulfide to obtain an activator, 3, under acidic conditions, mixing the activator and amino acids and carrying out modification treatment to obtain a modified activator, 4, making an acrylic acid emulsion, polystyrene, dioctyl phthalate, alumina, boron nitride and sodium nitrite contact so the materials react, adding an emulsifier, the modified activator and the Chinese herbal medicine extract into the reaction product and carrying out mixing to obtain the kaolin-modified mildew-resistant paperboard paint. The Chinese herbal medicines comprise folium artemisiae argyi, Chinese yam, borneol, honeysuckle stem, ligusticum wallichii, ricepaperplant pith medulla tetrapanacis, radix angelicae sinensis, root of kudzu vine, trichosanthes bark and coptis root. The paint can be stably attached to the surface of a carton main body and has excellent waterproof and antibacterial performances.

Description

technical field [0001] The invention relates to a coating, in particular to a kaolin-based modified anti-mildew cardboard coating and a preparation method thereof. Background technique [0002] Carton is currently the most common form of outer packaging for most products, and it is the first line of defense to protect product appearance, function, integrity, etc., and because water is the biggest culprit that causes damage to the appearance and function of many products, consumers are very concerned about cartons. Water resistance has extremely high requirements. [0003] The method of enhancing the waterproofness of cartons is mainly to add a waterproof coating layer on the surface of the carton, and the method of adding coating is mainly organic printing, manual brushing, spraying, etc. Existing waterproof coatings for cartons generally contain a large amount of macromolecules. After the cartons are used for a long time, the coating layer on the surface of the cartons wil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H21/36D21H19/40D21H19/44D21H19/58
CPCD21H21/36D21H19/40D21H19/44D21H19/58
Inventor 解和锋沐磊
Owner 铜陵锋帆彩色印务股份有限公司
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