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Composite material capable of slowly releasing antibacterial components, preparation method thereof and antibacterial slow-release bag

A technology of antibacterial ingredients and composite materials, which is applied in the field of preparation of antibacterial slow-release materials, can solve the problems of antibacterial essential oils that are easy to volatilize, essential oils are easy to volatilize quickly, and the antibacterial effect is not long-lasting, so as to achieve the effect of prolonging the release time

Active Publication Date: 2021-12-03
广州暨明科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the antibacterial film material prepared by directly adding antibacterial essential oil to the film resin, the essential oil is easy to volatilize quickly, resulting in a non-lasting antibacterial effect; therefore, it is urgent to solve the technical problem that the antibacterial essential oil is easy to volatilize in the film material

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] S11. Get zeolite powder and kaolin in a weight ratio of 2:1 to form a porous adsorption material, then mix with garlic essential oil to obtain a porous adsorption material adsorbed with essential oil; the amount ratio of the porous adsorption material to antibacterial essential oil is 1g : 0.5mL;

[0033] S12. mixing the porous adsorption material adsorbed with the essential oil and the gelatinized starch to obtain a composite material capable of slow-release antibacterial components;

[0034] Wherein, the weight ratio of the porous adsorption material adsorbed with essential oil to the starch after gelatinization is 3:1;

[0035] In step S12, the gelatinized starch is prepared by the following method: take corn starch and add it to water, stir it evenly and gelatinize at 75°C for 30 minutes to obtain the gelatinized starch; wherein, corn starch The dosage ratio of starch and water is 1g:3mL.

Embodiment 2

[0037] S11. Get zeolite powder and kaolin in a weight ratio of 2:1 to form a porous adsorption material, then mix with garlic essential oil to obtain a porous adsorption material adsorbed with essential oil; the amount ratio of the porous adsorption material to antibacterial essential oil is 1g : 0.5mL;

[0038] S12. Mixing the porous adsorption material adsorbed with the essential oil with the gelatinized starch and carbon nanotubes to obtain a composite material capable of slow-release antibacterial components;

[0039] Wherein, the weight ratio of the porous adsorption material adsorbed with essential oil to starch after gelatinization and carbon nanotubes is 3:1:0.05;

[0040] In step S12, the gelatinized starch is prepared by the following method: take corn starch and add it to water, stir it evenly and gelatinize at 75°C for 30 minutes to obtain the gelatinized starch; wherein, corn starch The dosage ratio of starch and water is 1g:3mL.

[0041] The difference between ...

Embodiment 3

[0043] S11. Get zeolite powder and kaolin in a weight ratio of 2:1 to form a porous adsorption material, then mix with garlic essential oil to obtain a porous adsorption material adsorbed with essential oil; the amount ratio of the porous adsorption material to antibacterial essential oil is 1g : 0.5mL;

[0044] S12. Mixing the porous adsorption material adsorbed with the essential oil with the gelatinized starch and modified carbon nanotubes to obtain a composite material capable of slow-release antibacterial components;

[0045] Wherein, the weight ratio of the porous adsorption material adsorbed with essential oil to the starch after gelatinization and the modified carbon nanotube is 3:1:0.05;

[0046] In step S12, the gelatinized starch is prepared by the following method: take corn starch and add it to water, stir it evenly and gelatinize at 75°C for 30 minutes to obtain the gelatinized starch; wherein, corn starch The dosage ratio of starch and water is 1g:3mL;

[0047...

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Abstract

The invention relates to the technical field of preparation of antibacterial film materials, and particularly discloses a composite material capable of slowly releasing antibacterial components, a preparation method thereof and an antibacterial slow-release bag. The preparation method of the composite material capable of slowly releasing the antibacterial component comprises the following steps: S11, mixing a porous adsorption material with antibacterial essential oil to obtain a porous adsorption material adsorbed with the essential oil; and S12, mixing the porous adsorption material adsorbed with the essential oil with the gelatinized starch to obtain the antibacterial slow-release material. The composite material capable of slowly releasing the antibacterial component prepared by the method can continuously release the essential oil antibacterial component for more than 4 months, and in the best embodiment, the continuous release time of the essential oil antibacterial component reaches 9 months. Furthermore, the composite material capable of slowly releasing the antibacterial components is wrapped in a breathable film bag made of PET (polyethylene terephthalate), PE (polyethylene), PA (polyamide) or PP (polypropylene) to prepare the antibacterial slow-release bag, and the antibacterial slow-release bag can be widely applied to various environments needing antibiosis.

Description

technical field [0001] The invention relates to the technical field of preparation of antibacterial slow-release materials, in particular to a composite material capable of slow-release antibacterial components, a preparation method thereof and an antibacterial slow-release bag. Background technique [0002] Polyethylene film refers to a film made of polyethylene resin; it is usually used as a packaging bag, such as commonly used food bags, clothing bags, etc. The antibacterial film is an antibacterial film made by adding a certain amount of antibacterial agent to the resin material for preparing the film; usually adding inorganic antibacterial agents such as nano-silver and nano-zinc oxide to achieve antibacterial effect. [0003] Garlic essential oil and mustard essential oil are natural products with antibacterial effects; adding garlic essential oil or mustard essential oil as antibacterial agents to film materials can achieve natural antibacterial effects and has broad ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L3/02C08L91/00C08K3/04C08K9/04C08J5/18
CPCC08L3/02C08L91/00C08J5/18C08K2201/011C08J2403/02C08J2491/00C08K3/041C08K9/04Y02W90/10
Inventor 林志丹熊子涵曹琳
Owner 广州暨明科技有限公司
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