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Antibacterial plastic and preparation method thereof

A technology of antibacterial plastics and antibacterial agents, applied in the field of antibacterial plastics and its preparation, to achieve the effects of accelerated reduction, good bonding performance of coatings, and improved dispersion

Inactive Publication Date: 2021-05-14
张乘邦
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention provides a long-acting antibacterial and anti-aging antibacterial plastic, which solves the shortcomings caused by traditional antibacterial agents

Method used

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  • Antibacterial plastic and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0051] An antibacterial plastic, consisting of the following parts by weight: 35 parts by weight of polypropylene, 8 parts by weight of carbon nanotube fibers, 10 parts by weight of montmorillonite, 4 parts by weight of chlorosulfonated polyethylene, 1 part by weight of bis(acetylacetonate) Ethoxy isopropoxy titanate, 3 parts by weight of trimethylpentanol, 2 parts by weight of L-polylactic acid, 4 parts by weight of ethylene oxide, and 5 parts by weight of antibacterial agent.

[0052] The antibacterial agent is a Cu-Ag composite antibacterial agent;

[0053] Described antibacterial agent is Cu-Ag compound antibacterial agent, and preparation method is as follows:

[0054] (1) Mix 12 parts by weight of copper nitrate, 20 parts by weight of reducing agent and 20 parts by weight of oleylamine, stir at 500 rpm for 30 minutes at a temperature of 100 ° C, keep stirring and raise the temperature to 200 ° C at a speed of 10 ° C / min, and continue to stir for 2.5 h, cooling at room...

Embodiment 2

[0065] Basically the same as Example 1, the difference is that the modifying agent is dodecyltriphenylphosphine bromide.

Embodiment 3

[0069] Basically the same as Example 1, the difference is that the reducing agent is sodium borohydride.

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Abstract

The invention discloses antibacterial plastic and a preparation method thereof, and belongs to the technical field of plastic. The antibacterial plastic is prepared from the following raw materials in parts by weight: 30-40 parts of a plastic substrate, 5-10 parts of carbon nanotube fibers, 6-14 parts of montmorillonite, 3-10 parts of a plasticizer, 0.5-3 parts of a coupling agent, 2-6 parts of a dispersing agent, 1-4 parts of a nucleating agent, 3-7 parts of a stabilizer and 3-10 parts of an antibacterial agent. By adding the novel antibacterial agent and the modified nano titanium dioxide, not only are original excellent thermal stability and mechanical properties of the antibacterial plastic maintained, but also the defects that traditional plastic is poor in antibacterial property and prone to aging are overcome, and the antibacterial plastic has the advantages of being easy to operate, free of pollution, low in cost and the like.

Description

technical field [0001] The invention relates to the technical field of plastics, in particular to an antibacterial plastic and a preparation method thereof. Background technique [0002] Antibacterial plastic is a new type of environmentally friendly material with special functions developed in recent years. It refers to adding a certain amount of antibacterial agent to the plastic to make it have antibacterial properties, which can inhibit and kill bacteria, fungi and other microorganisms that come into contact with it. Without losing its original conventional performance and processing performance. The ideal antibacterial plastic should have long-term, high efficiency, broad-spectrum, safety, non-toxic and non-irritating properties. The type and processing technology of antibacterial agents will directly determine the performance of the final product. As a new type of functional material, antibacterial plastics can solve the problem of bacterial infection from the root an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L23/34C08K9/12C08K9/10C08K3/08C08K9/06C08K9/04C08K9/02C08K3/22C08K3/04C08K3/34C08K7/00C08K13/06
CPCC08K2003/0806C08K2003/085C08K2003/2241C08K2201/011C08K2201/014C08L23/12C08L2201/08C08L23/34C08K9/12C08K9/10C08K3/08C08K9/06C08K9/08C08K9/02C08K3/22C08K3/041C08K3/346C08K7/00C08K13/06
Inventor 张乘邦
Owner 张乘邦
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