Graphene antibacterial brush wire as well as preparation method and application thereof

A graphene and graphene composite technology, applied in brushes, applications, bristles, etc., can solve problems such as limited antibacterial effect and toxicity, and achieve the effects of avoiding bacterial growth, lasting efficacy, and broad antibacterial spectrum.

Inactive Publication Date: 2017-09-22
NANTONG QIANGSHENG GRAPHENE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the antibacterial effect of the brush filament is still limited, and high doses of ethyl vanillin have certain toxicity

Method used

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  • Graphene antibacterial brush wire as well as preparation method and application thereof
  • Graphene antibacterial brush wire as well as preparation method and application thereof
  • Graphene antibacterial brush wire as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The present embodiment provides a kind of preparation method of graphene antibacterial brush filament, and its reaction mechanism is as follows figure 1 shown. Specifically include the following steps:

[0032] S1, mixing molten PA610 slices with graphene powder, extruding and granulating to prepare graphene composite slices;

[0033] S2. Dry the graphene composite slices and put them into an injection molding machine. After softening, use a push rod or a rotating screw to continuously extrude from the die, and cool to prepare the brush filaments.

[0034] In step S1, the content of graphene in the graphene composite slice is 0.3wt%.

[0035] In step S1, the mixing temperature is 220° C., the mixing speed is 10000 rad / min, and the mixing time is 20 minutes; the extrusion granulation temperature is 200-270° C.

[0036] In step S2, the drying temperature of the graphene composite slice is 100° C., and the drying time is 5 hours; the softening temperature is 200° C.; th...

Embodiment 2

[0038] The present embodiment provides a kind of preparation method of graphene antibacterial brush wire, comprises the following steps:

[0039] S1, mixing molten PA610 slices with graphene powder, extruding and granulating to prepare graphene composite slices;

[0040] S2. Dry the graphene composite slices and put them into an injection molding machine. After softening, use a push rod or a rotating screw to continuously extrude from the die, and cool to prepare the brush filaments.

[0041] In step S1, the content of graphene in the graphene composite slice is 1 wt%.

[0042] In step S1, the mixing temperature is 240° C., the mixing speed is 8000 rad / min, and the mixing time is 10 minutes; the extrusion granulation temperature is 200-270° C.

[0043] In step S2, the drying temperature of the graphene composite slice is 70° C., and the drying time is 20 hours; the softening temperature is 230° C.; the extruding temperature is 180-250° C.

Embodiment 3

[0045] The present embodiment provides a kind of preparation method of graphene antibacterial brush wire, comprises the following steps:

[0046] S1, mixing molten PA610 slices with graphene powder, extruding and granulating to prepare graphene composite slices;

[0047] S2. Dry the graphene composite slices and put them into an injection molding machine. After softening, use a push rod or a rotating screw to continuously extrude from the die, and cool to prepare the brush filaments.

[0048] In step S1, the content of graphene in the graphene composite slice is 0.5wt%.

[0049] In step S1, the mixing temperature is 250° C., the mixing speed is 5000 rad / min, and the mixing time is 40 minutes; the extrusion granulation temperature is 200-270° C.

[0050]In step S2, the drying temperature of the graphene composite slice is 80° C., and the drying time is 15 hours; the softening temperature is 220° C.; the extruding temperature is 180-250° C.

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Abstract

The invention relates to a graphene antibacterial brush wire as well as a preparation method and application thereof. The preparation method comprises the following steps: S1, mixing a melted plastic slice with graphene powder, and extruding and granulating to prepare a graphene composite slice; S2, after carrying out drying treatment on the graphene composite slice, putting the graphene composite slice into an injection molding machine; after softening, continuously extruding from a die opening by utilizing a push rod or a rotary screw rod; cooling to prepare the brush wire. According to the brush wire provided by the invention, graphene is not easily separated from plastic, and can realize long-time antibacterial and physical therapy effects; the added graphene basically has no cytotoxicity, so that the brush wire is more suitable for being in direct contact with oral cavities or skin of human bodies, is safe and harmless when acting on the human bodies, and can be widely used for manufacturing toothbrushes and cosmetic brushes.

Description

technical field [0001] The invention relates to the technical field of brush filament preparation, in particular to a graphene antibacterial brush filament and its preparation method and application. Background technique [0002] Polyamide is commonly known as nylon, also known as nylon. Among them, nylon 610 occupies a very important position in the nylon family. It was successfully developed by DuPont in the United States in 1941. Its performance is similar to nylon 66 in many aspects. At the same time, it has low water absorption, good dimensional stability of products, and electrical insulation. Excellent, low rigidity and other advantages. Production and application began in the 1950s to replace metal materials to meet the lightweight and low-cost requirements of downstream industrial products. Therefore, it is widely used as gears, linings, sealing materials, oil pipelines, and oil storage in machinery manufacturing, transportation, and daily necessities. Containers,...

Claims

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Application Information

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IPC IPC(8): C08L77/06C08L77/02C08K3/04B29B9/06B29C47/00A46D1/00A46D1/04
CPCA46D1/0207A46D1/04B29B9/06B29C48/05C08K3/04C08L77/06C08L77/02
Inventor 沙嫣沙晓林
Owner NANTONG QIANGSHENG GRAPHENE TECH CO LTD
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