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Antibacterial flame-retardant polyethylene material and preparation method thereof, antibacterial flame-retardant polyethylene film and preparation method thereof

A flame retardant polyethylene and polyethylene technology is applied in the field of antibacterial flame retardant polyethylene film and its preparation, and can solve the problems of inability to meet application requirements and poor performance.

Pending Publication Date: 2022-07-12
SHANGHAI UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the performance of polyethylene film materials with antibacterial, antiviral, flame retardant and smoke suppression functions in the domestic market is still poor, and cannot meet the growing application requirements

Method used

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  • Antibacterial flame-retardant polyethylene material and preparation method thereof, antibacterial flame-retardant polyethylene film and preparation method thereof
  • Antibacterial flame-retardant polyethylene material and preparation method thereof, antibacterial flame-retardant polyethylene film and preparation method thereof
  • Antibacterial flame-retardant polyethylene material and preparation method thereof, antibacterial flame-retardant polyethylene film and preparation method thereof

Examples

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preparation example Construction

[0035] In the present invention, the preparation method of the nano-copper oxide-polymer composite material preferably includes the following steps:

[0036] Mixing organic copper salt, polymer material carrier and organic solvent to obtain a mixture precursor;

[0037] removing the organic solvent from the mixture precursor to obtain a dry mixture precursor;

[0038] The dried mixture precursor is calcined to obtain the nano-copper oxide-polymer composite material.

[0039] In the present invention, the organic copper salt, the polymer material carrier and the organic solvent are mixed to obtain the mixture precursor.

[0040] In the present invention, the organic copper salt is preferably copper formate.

[0041] In the present invention, the organic solvent is preferably ethanol.

[0042] In the present invention, the polymer material carrier is preferably one or more of polytetrafluoroethylene, nylon 66, polyvinyl chloride, polycarbonate and polyphenylene sulfide.

[0...

Embodiment 1

[0101] Step 1: fully mix copper (II) formate, polymer material carrier (polyvinyl chloride) and absolute ethanol through magnetic stirring to obtain a mixture precursor; remove the ethanol solvent in the mixture precursor through a blast drying oven , to obtain a dried mixture precursor; the dried mixture precursor is calcined at 275 ° C to obtain the copper oxide-polymer composite material, and the mass ratio of the nano-copper oxide to the polymer carrier is 1: 6.

[0102] The low-density polyethylene, copper oxide-polymer composite material, zinc stannate, nano-calcium carbonate, antioxidant, and coupling agent are mixed according to a certain dose and uniformly mixed by a high-speed mixer, and then passed through a twin-screw After mixing, melting, cooling, pelletizing and drying in the compounding extruder, the masterbatch of antibacterial and flame retardant polyethylene is obtained.

[0103] Among them, the mass percentages of low density polyethylene, copper oxide-pol...

Embodiment 2

[0108] Example 2 is basically the same as Example 1. Only in step 2, the antibacterial and flame-retardant polyethylene material prepared in step 1 is directly melted and extruded by an extrusion film blowing machine, and is no longer processed with low-density polyethylene. The process of mixing ethylene ingredients to obtain antibacterial flame retardant polyethylene film. In the obtained antibacterial and flame retardant polyethylene film material, the mass ratio of the antibacterial agent copper oxide-polymer composite material is 2.0 wt %, and the mass ratio of the flame retardant zinc stannate is 10.0 wt %.

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Abstract

The invention belongs to the technical field of film materials, and particularly relates to an antibacterial flame-retardant polyethylene material and a preparation method thereof, and an antibacterial flame-retardant polyethylene film and a preparation method thereof. The antibacterial flame-retardant polyethylene material provided by the invention comprises the following components in parts by weight: 75-90 parts of polyethylene, 0.1-10 parts of an antibacterial aid, 2-10 parts of a flame retardant, 4-8 parts of nano calcium carbonate, 0.2-1 part of an antioxidant and 1-4 parts of a coupling agent, the antibacterial auxiliary agent is a nano copper oxide-polymer composite material; the flame retardant is a tin-based flame retardant. According to the antibacterial flame-retardant polyethylene material provided by the invention, the polyethylene material is used as a main body, the copper oxide-polymer composite material is added as the antibacterial agent, and the tin-based flame retardant, the nano calcium carbonate, the antioxidant and the coupling agent are matched, so that the preparation of the antibacterial flame-retardant polyethylene material and the film thereof is realized within the range of the mass parts; the material has excellent broad-spectrum and efficient antibacterial, antiviral and flame-retardant properties.

Description

technical field [0001] The invention belongs to the technical field of film materials, and in particular relates to an antibacterial and flame retardant polyethylene material and a preparation method thereof, an antibacterial and flame retardant polyethylene film and a preparation method thereof. Background technique [0002] Polyethylene is currently the most widely used and most productive film material in the world. It has stable chemical properties, simple molding, non-toxic and tasteless, low price, and good processing performance and performance. Polyethylene film is widely used in transportation packaging, agricultural film, container, medicine, chemical industry, electronics, printing and other fields. However, the polyethylene material itself does not have anti-harmful microorganism and flame retardant properties, which hinders the application of polyethylene in the occasions where antibacterial and flame retardant requirements are required. [0003] In order to en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08K3/24C08K3/26C08K5/098C08K5/134C08K5/372C08K5/526C08K5/5435C08K5/544C08K9/12C08K13/06C08J5/18
CPCC08J5/18C08J2323/06C08J2423/06C08K5/098C08K9/12C08K3/24C08K2003/265C08K5/1345C08K5/526C08K5/5435C08K5/372C08K5/544C08K13/06C08K2201/011
Inventor 刘轶孙科吴卫林黄和仔
Owner SHANGHAI UNIV
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