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Graphene oxide antibacterial fresh-keeping film

A fresh-keeping film and graphene technology, applied in the field of fresh-keeping materials, can solve the problems of unsatisfactory antibacterial effect of the fresh-keeping film, and achieve the effects of stable antibacterial effect, low energy consumption and simple operation.

Inactive Publication Date: 2018-11-23
郴州国盛新材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to overcome the unsatisfactory antibacterial effect of the existing plastic wrap, and provide a kind of graphene oxide antibacterial plastic wrap, which effectively improves the antibacterial effect of the plastic wrap material by compounding the antibacterial composition. Antibacterial effect, can achieve long-term antibacterial preservation of fruits and vegetables

Method used

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  • Graphene oxide antibacterial fresh-keeping film

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Embodiment 1

[0028] A kind of graphene oxide antibacterial fresh-keeping film, antibacterial fresh-keeping film comprises polyethylene, tackifier, antibacterial agent, antifogging agent, and described antibacterial agent is the mixture of chrysanthemum extract, dandelion extract and graphene oxide, each group See Table 1 for the specific quality ratio of the points.

[0029] Wherein the quality of tackifier is polyethylene, the antifogging agent of embodiment 1 is xylitol ester, the antifogging agent of embodiment 2 is sorbitol monopalmitate, the antifogging agent of embodiment 3 is lauric acid, embodiment The anti-fogging agent of 4 is stearic acid monoglyceride.

[0030] The preparation method of graphene oxide antibacterial fresh-keeping film is as follows:

[0031] S1. Mix polyethylene, tackifier, and anti-fogging agent evenly to prepare a mixed base material for plastic wrap. The mixing time is 25 minutes, the mixing temperature is 70°C, and the mixing speed is 145r / min;

[0032] S2...

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Abstract

The invention provides a graphene oxide antibacterial fresh-keeping film. The graphene oxide fresh-keeping film comprises polyethylene, a tackifier, an antibacterial agent and an antifog agent, wherein the antibacterial agent is a mixture of herba corydalis bungeanae extract, dandelion herb extract and graphene oxide, wherein the mass of the antibacterial agent is 0.2 to 0.8 percent of polyethylene. The mixed antibacterial agent consisting of the graphene material and the plant extract can well ensure the overall bacterial resistance, the fresh-keeping film is stable in antibacterial effect, the lasting time is long, the storage quality and the storage time of fruits and plantings can be apparently improved, the preparation method is simple in operation, the energy consumption is low, andthe graphene oxide antibacterial fresh-keeping film is suitable for the industrial production.

Description

technical field [0001] The invention relates to the technical field of fresh-keeping materials, in particular to a graphene oxide antibacterial fresh-keeping film. Background technique [0002] With the improvement of people's living standards, the requirements for the freshness of fresh fruits and vegetables are getting higher and higher, and the pursuit of product safety and quality is also increasing. During the storage of fruits and vegetables, not only the respiration will cause the loss of nutrients, but also improper storage will cause the decay of fruits and vegetables. Among them, the action of microorganisms such as bacteria and mold is also an important factor affecting the freshness of fruits and vegetables, which shortens the shelf life of fruits and vegetables to a large extent. Therefore, it is necessary to develop excellent fresh-keeping technologies and materials to keep fruits and vegetables fresh. [0003] Currently commonly used fresh-keeping technologie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J7/06C08J5/18C08L23/06C08L23/20C08K5/103C08K5/09C09D5/14
CPCC08J5/18C08J7/06C08J7/065C08J2323/06C08J2423/22C08K5/09C08K5/103C09D5/14
Inventor 李丽萍
Owner 郴州国盛新材科技有限公司
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