Preparation method of paperboard antibacterial moistureproof agent

A moisture-proof agent and cardboard technology, which is applied in the direction of anti-biological agent addition, paper, papermaking, etc., can solve the problems that the surface of the carton is easy to be affected by moisture, pollute the carton items, and the carton is easy to be affected by moisture, etc., achieve good moisture resistance, simple preparation method, and prevent water absorption and moisture Effect

Inactive Publication Date: 2016-09-07
JURONG DINGSHENG CARTON PACKING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Among all kinds of packaging for industrial products, corrugated boxes have become the mainstream of the packaging industry. Because of their light weight, foldability, low cost, environmental protection, easy specification changes, high-quality printing, and recycling, they can be used as renewable materials. Resources, therefore, are used more and more widely, but the surface of the carton is easy to be affected by moisture, and various physical performance indicators will drop sharply after being exposed to water.
Especially in the humid tropics and sub-humid tropics, when using cartons to store and transport materials, the cartons are prone to moisture and are easily polluted by microorganisms such as mold, which in turn contaminate the items stored in the cartons.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A preparation method of an antibacterial and moisture-proof agent for cardboard, comprising the following steps: dissolving 5 parts of rosin in 50 parts of a dispersant to make it a rosin solution; 4 parts of modified alkyd resin, 15 parts of microcrystalline wax, and 5 parts of methyl silicone oil After mixing 8 parts of Vaseline, heat and stir at 30°C to obtain a mixture, mix the mixture, turpentine solution, and 1 part of emulsifier, stir and heat up to 120°C, then add 2 parts of 1N sodium hydroxide solution, and continue heating for 10 minutes Finally, stir and emulsify, after cooling to room temperature, add 1 part of tea tree oil dropwise while stirring, and stir evenly.

[0015] The dispersant is a mixture of turpentine and water.

[0016] The emulsifier is Triton X-100.

[0017] The modified alkyd resin is composed of rosin, glycerin, phthalic anhydride and fatty acid.

Embodiment 2

[0019] A kind of preparation method of cardboard antibacterial moistureproof agent, dissolves 10 parts of turpentine in 70 parts of dispersant, makes it to become rosin solution; Modified alkyd resin 6 parts, microcrystalline wax 20 parts, methyl silicone oil 10 parts, vaseline 15 parts After the parts are mixed, heat and stir at 70°C to obtain the mixture, mix the mixture, pine resin solution, and emulsifier 5 parts, stir and heat up to 170°C, then add 8 parts of 1N sodium hydroxide solution, continue heating for 30 minutes, and then stir and emulsify. After cooling to room temperature, add 5 parts of tea tree oil dropwise while stirring, and stir evenly.

[0020] The dispersant includes a mixture of turpentine, water and ethanol.

[0021] The emulsifier is Triton X-100.

[0022] The modified alkyd resin is composed of rosin, glycerin, phthalic anhydride and fatty acid.

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PUM

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Abstract

The invention discloses a preparation method of a paperboard antibacterial moistureproof agent. The preparation method comprises dissolving turpentine in a dispersant to obtain a turpentine solution, mixing modified alkyd resin, microcrystalline wax, methylsilicone oil and Vaseline, heating the mixture at a temperature of 30-70 DEG C along with stirring to obtain a mixture, mixing the mixture, the turpentine solution and an emulsifier, stirring the mixture, heating the mixture to a temperature of 120-170 DEG C, adding 1N of a sodium hydroxide solution into the mixed solution, continuously heating the mixture for 10-30min, carrying out stirring emulsification, cooling the emulsion to the room temperature, dropwisely adding tea tree oil into the emulsion along with stirring and carrying out uniform stirring. The preparation method has simple processes and is free of special equipment. The paperboard antibacterial moistureproof agent has good moistureproof, anti-bacterium and anti-moth performances, is safe in use, does not pollute the environment and is suitable as a moistureproof agent in a carton package and especially as a carton moistureproof agent in a food package.

Description

technical field [0001] The invention relates to a preparation method of an antibacterial and moisture-proof agent for cardboard, belonging to the technical field of carton packaging. Background technique [0002] Among all kinds of packaging for industrial products, corrugated boxes have become the mainstream of the packaging industry. Because of their light weight, foldability, low cost, environmental protection, easy specification changes, high-quality printing, and recycling, they can be used as renewable materials. Resources, therefore, are used more and more widely, but the surface of the carton is easily affected by moisture. After contact with water, various physical performance indicators will drop sharply. Especially when cartons are used to store and transport materials in humid tropics and subhumid tropics, the cartons are susceptible to moisture and are easily polluted by microorganisms such as mold, which in turn contaminate the items stored in the cartons. The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H19/18D21H19/28D21H19/32D21H21/36
CPCD21H19/18D21H19/28D21H19/32D21H21/36
Inventor 赵秉盛余红军
Owner JURONG DINGSHENG CARTON PACKING
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