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Anti-microbial antistatic PET composite material and preparation method thereof

A composite material and antistatic technology, which is applied in the field of antibacterial and antistatic PET composite materials and its preparation, can solve the problems that the antibacterial performance and antistatic performance of PET materials cannot meet the requirements of specific fields, achieve great promotion value, improve antibacterial performance, Effect of lowering surface resistivity

Inactive Publication Date: 2019-01-11
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an antibacterial and antistatic PET composite material and its preparation method to solve the problem that the antibacterial performance and antistatic performance of existing PET materials cannot meet the requirements of specific fields

Method used

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  • Anti-microbial antistatic PET composite material and preparation method thereof
  • Anti-microbial antistatic PET composite material and preparation method thereof
  • Anti-microbial antistatic PET composite material and preparation method thereof

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preparation example Construction

[0034] The preparation method of antibacterial agent, comprises the following steps:

[0035] (1) Take a certain amount of zeolite, copper nitrate solution and deionized water, and add them into a three-necked flask to form solution A; the mass ratio of zeolite, copper nitrate solution and deionized water is (20-28):( 60-80): (200-240).

[0036] (2) Adjust the pH value of solution A to 6-7 with nitric acid, and react in a water bath at 60-80° C. for 4-6 hours to obtain solution B;

[0037] (3) Filtrating, washing, drying and grinding solution B to obtain copper-loaded zeolite;

[0038] (4) Weigh a certain amount of sodium α-mercaptopyridine-N-oxide, N,N dimethylformamide and copper-loaded zeolite, put them into a reaction vessel, and react in a water bath at 70-90°C for 2-4 hours, Filter, wash, dry, grind, and pass through a 400-mesh sieve to obtain the antibacterial agent. The mass ratio of α-mercaptopyridine-N-oxide sodium, N,N dimethylformamide and copper-loaded zeolite ...

Embodiment 1

[0046] (1) Weigh 80 parts of PET, 2 parts of antibacterial agent, 1 part of nano-indium trioxide, 3 parts of polyvinyl alcohol, 0.1 part of Irganox168 and mix and stir evenly to obtain a mixture;

[0047] (2) Extruding and granulating the mixture obtained in step (1) to obtain PET composite material P1.

[0048] Among them, the temperature and screw speed of each zone of the twin-screw extruder are respectively: the temperature of the first zone is 240°C, the temperature of the second zone is 280°C, the temperature of the third zone is 280°C, the temperature of the fourth zone is 280°C, the temperature of the fifth zone is 280°C, and the temperature of the sixth zone is 280°C. The head temperature is 280°C, and the screw speed is 200r / min.

Embodiment 2

[0050] (1) Weigh 100 parts of PET, 6 parts of antibacterial agent, 2 parts of nano-indium trioxide, 6 parts of polyvinyl alcohol, 0.1 part of Irganox168, 0.2 part of Irganox1010, 0.2 part of Irganox1330 and mix them evenly to obtain a mixture;

[0051] (2) extruding and granulating the mixture obtained in the step (1) to obtain PET composite material P2.

[0052]Among them, the temperature and screw speed of each zone of the twin-screw extruder are respectively: the temperature of the first zone is 260°C, the temperature of the second zone is 300°C, the temperature of the third zone is 300°C, the temperature of the fourth zone is 300°C, the temperature of the fifth zone is 300°C, and the temperature of the sixth zone is 300°C. The head temperature is 300°C, and the screw speed is 280r / min.

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Abstract

The invention relates to an anti-microbial antistatic PET composite material and a preparation method thereof. The anti-microbial antistatic PET composite material comprises the following components in parts by weight: 80-100 parts of PET, 2-6 parts of antibacterial agent, 4-8 parts of antistatic agent and 0.1-0.5 part of antioxidant. A novel copper pyrithione loaded zeolite antibacterial agent iscompounded according to the technology and is capable of effectively improving the antibacterial property of a PET composite material; nanometer indium sesquioxide and polyvinyl alcohol are used as acompound antistatic agent, so that the surface resistivity of the PET composite material can be reduced; nanometer indium sesquioxide and polyvinyl alcohol are difficult to migrate, can permanently form a conductive path and can achieve an antistatic effect; compared with a single antistatic agent, the compound antistatic agent has a better effect; the defects of the present product are overcome;the anti-microbial antistatic PET composite material has ultrahigh promotional value.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, in particular to an antibacterial and antistatic PET composite material and a preparation method thereof. Background technique [0002] Polyethylene terephthalate (PET) has the advantages of light weight, non-toxic, odorless, good chemical stability, insoluble in common solvents at room temperature, and low water absorption. Although the overall performance of PET is excellent, the antibacterial and antistatic properties of PS are average, which greatly limits the application range of PET composite materials. [0003] In view of this reason, the inventor uses a new type of antibacterial agent to improve the antibacterial performance of PET, and at the same time uses a composite antistatic agent to improve the electrical conductivity of PET, and finally makes a PET composite material with excellent antibacterial performance and antistatic performance. To make up for the shortage of exis...

Claims

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Application Information

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IPC IPC(8): C08L67/02C08L29/04C08K13/06C08K9/12C08K3/22C08K5/46
CPCC08L67/02C08K2201/017C08L2201/04C08L29/04C08K9/12C08K3/22C08K5/46C08K13/06
Inventor 刘凯孙启林吴露露
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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