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Antibacterial agent as well as preparation method and application thereof

A technology of antibacterial agent and antioxidant, applied in the field of antibacterial agent, can solve problems such as easy decomposition at high temperature, antibacterial performance, mechanical property decline, poor thermal stability, etc., and achieve low harm and pollution, long-term antibacterial performance, and antibacterial efficiency high effect

Active Publication Date: 2021-10-15
NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
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Problems solved by technology

Organic antibacterial agent is one of the commonly used antibacterial agents at present. It has the advantages of good bactericidal effect and good compatibility with polyolefin matrix resin, but it has the disadvantages of easy decomposition at high temperature and poor thermal stability. The overall antibacterial performance and mechanical properties of the material are reduced due to thermal decomposition.

Method used

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  • Antibacterial agent as well as preparation method and application thereof
  • Antibacterial agent as well as preparation method and application thereof
  • Antibacterial agent as well as preparation method and application thereof

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preparation example Construction

[0033] Some embodiments of the present invention also provide a method for preparing an antibacterial agent, which includes: reacting furandicarbaldehyde and amino acid with a molar ratio of 1-10:10-1 in an aqueous phase system at 15-40°C, Thereby obtain the antibacterial agent shown in formula (I),

[0034]

[0035] Formula (I)

[0036] Wherein, n is an integer of 4-15, and m is an integer of 1-2.

[0037] In some embodiments, the preparation method specifically includes: dissolving furandicarbaldehyde and amino acid in water, and stirring and reacting at 15-40° C. for 12-24 hours to obtain the antibacterial agent.

[0038] In some embodiments, the preparation method further includes: after the reaction is completed, the solid matter in the reaction system is separated by filtration, which is the antibacterial agent.

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Abstract

The invention discloses an antibacterial agent as well as a preparation method and application thereof. The structure of the antibacterial agent is shown as a formula (I), wherein n is an integer from 4 to 15, and m is an integer from 1 to 2. The antibacterial agent disclosed by the invention not only has an excellent antibacterial effect, but also has good high-temperature resistance, and meanwhile, the preparation process is good in controllability and high in yield. The antibacterial agent can be combined with matrix resin such as polyolefin to prepare products with excellent antibacterial performance, and the antibacterial agent is wide in antibacterial range, safe, reliable, free of peculiar smell, low in harm and pollution degree to human bodies and the environment and wide in application prospect.

Description

technical field [0001] The invention relates to an antibacterial agent, in particular to an environment-friendly high-efficiency antibacterial agent and its preparation method and application, for example, its use in the preparation of antibacterial plastics. Background technique [0002] Polyolefin is one of the most widely used general-purpose plastics due to its abundant raw materials, low price, easy processing and molding, and excellent comprehensive performance. In particular, polypropylene and polyethylene are widely used in the shell and lining of household appliances, kitchen and bathroom equipment, food packaging and other fields. In order to endow polyolefin with various properties, various additives are added during processing, which makes the products prepared under suitable conditions very easy to breed bacteria, which in turn affects people's health. An existing way to solve the above problems is to modify the polyolefin by adding a suitable antibacterial age...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L23/14C08L23/12C08L31/04C08K5/29
CPCC08K5/29C08L2207/062C08L2207/066C08L23/06C08L23/14C08L23/12C08L31/04
Inventor 林华杰李涛柳兆坤柳翼张晋丽卢光明
Owner NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
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