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Mould-proof paperboard coating modified based on expanded vermiculite and preparation method thereof

An expanded vermiculite and modification technology is applied in the field of anti-mildew cardboard coating and its preparation, which can solve the problems of reducing the mechanical strength of the carton, destroying the waterproof effect of the coating layer, 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 destroy the waterproof effect of the paint layer and reduce the mechanical strength of the carton, but also cause the quality of the products inside the carton to decline.

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 the mold-proof cardboard coating modified by expanded vermiculite, 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 expanded vermiculite, 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 Liquid is mixed to make the process of anti-mold cardboard coating based on expanded vermiculite modification;

[0020] Among...

Embodiment 1

[0033] 1) Take mugwort leaf, Polyporus sativa, Borneolum, Fried Perilla, Alisma, Codonopsis, Honey Locust, Pueraria Root, Trichosanthes Peel, Coptidis, water according to 100:57:48:59:48:95:57:31:36:94 : mixed at a weight ratio of 500, and decocted at 160°C for 5 hours to obtain a Chinese herbal medicine extract;

[0034] 2) In the presence of ultraviolet rays with a wavelength of 230nm, mix expanded vermiculite, plant ash, sodium chloroplatinate and molybdenum disulfide in a weight ratio of 100:59:18:39, and perform activation treatment at 80°C for 14 hours to obtain activated thing;

[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 cont...

Embodiment 2

[0039] 1) Mix Artemisia argyi leaves, Polyporus, Borneolum, Fried Perilla, Alisma, Codonopsis, Honey Locust, Pueraria Root, Trichosanthes Peel, Coptidis, water according to 100:45:42:55:45:80:52:22:29:88 : mixed at a weight ratio of 400, and decocted at 150° C. for 4 hours to obtain a Chinese herbal medicine extract;

[0040] 2) In the presence of ultraviolet rays with a wavelength of 200nm, mix expanded vermiculite, plant ash, sodium chloroplatinate and molybdenum disulfide in a weight ratio of 100:55:14:32, and perform activation treatment at 75°C for 12 hours to obtain activated thing;

[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 T...

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Abstract

The invention discloses a mould-proof paperboard coating modified based on expanded vermiculite and a preparation method thereof. The method includes the steps that 1, Chinese herbal medicines are decocted in water to prepare a Chinese herbal medicine extracting solution; 2, expanded vermiculite, plant ash, sodium chloroplatinate and molybdenum disulfide are subjected to activation treatment to prepare an activation product in the presence of ultraviolet light; 3, the activation product and amino acid are mixed and then are subjected to modification treatment under the acidic conditions to prepare a modified activation product; 4, acrylic emulsion, polystyrene, dioctyl phthalate, aluminum oxide, boron nitride and sodium nitrite performs contact reaction, and then an emulsifier, the modified activation product and the Chinese herbal medicine extracting solution are mixed to prepare the mould-proof paperboard coating modified based on the expanded vermiculite, wherein the Chinese herbal medicines includes folium artemisiae argyi, grifola, borneol, fried perilla seeds, rhizoma alismatis, roots of hairy asiabell, gleditsia sinensis, kudzu vine roots, snake gourd peels and coptis chinensis. The coating can stably attach to the surface of a carton body and has excellent waterproof and antibacterial performance.

Description

technical field [0001] The invention relates to a paint, in particular to a mold-resistant paperboard paint modified based on expanded vermiculite 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 o...

Claims

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Application Information

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IPC IPC(8): D21H19/20D21H19/22D21H21/36D21H27/10
CPCD21H19/20D21H19/22D21H21/36D21H27/10
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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