Environment-friendly antibacterial foreign language translation machine material and preparation method thereof

A translation machine and foreign language technology, which is applied in the field of functional environmental protection materials and their preparation, can solve problems such as endangering the health of users, polluting groundwater sources, and producing harmful gases, so as to reduce energy consumption, reduce requirements, and enhance interface bonding strength. Effect

Pending Publication Date: 2022-04-22
HUAIYIN INSTITUTE OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, most foreign language translator shells on the market are made of non-degradable plastics such as lightweight ABS and PC. The upgrading and elimination of their products will inevitably bring more environmental pollution. For example, burying them in the soil will affect the absorption of nutrients and water by crops. It will lead to a reduction in crop production, and it will also pollute groundwater sources. Incineration will produce harmful gases and pollute the air. It will inevitably cause the adhesion and proliferation of bacteria, and even become the carrier of germ transmission, and the foreign language translation machine needs to keep a relatively close distance from the nose and mouth of the person during use, thus endangering the health of the user

Method used

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  • Environment-friendly antibacterial foreign language translation machine material and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0033] (1) Dissolve chitosan in the mixed aqueous solution of 4wt.% acetic acid / 1wt.% ethylenediamine and stir, then add 0.2g / L dilute silver nitrate solution and stir, and use visible light irradiation to assist the electrostatic spinning process. The silk aperture is 0.1mm, and the voltage is 15kV. During the spinning process, visible light irradiation promotes Ag + In-situ reduction to nano-Ag to obtain chitosan antibacterial fibers loaded with nano-Ag particles;

[0034] (2) The biodegradable polylactic acid is heated to 180°C for melting, and the hollow filament is extruded through an extrusion molding process;

[0035] (3) Import the three-dimensional model of the foreign language translator into the fused deposition modeling machine, and perform layered slice processing;

[0036] (4) Put the chitosan antibacterial fiber loaded with nano-Ag particles described in step (1) into the hollow polylactic acid wire hole described in step (2), and send the wire to the After en...

Embodiment 2

[0040] (1) Dissolve chitosan in a mixed aqueous solution of 3.5wt.% acetic acid / 0.5wt.% ethylenediamine and stir, then add 0.8g / L dilute silver nitrate solution and stir, and use visible light irradiation to assist the electrospinning process , the spinning aperture is 0.2mm, and the voltage is 16kV. During the spinning process, visible light irradiation promotes Ag +In-situ reduction to nano-Ag to obtain chitosan antibacterial fibers loaded with nano-Ag particles;

[0041] (2) The biodegradable polylactic acid is heated to 180°C for melting, and the hollow filament is extruded through an extrusion molding process;

[0042] (3) Import the three-dimensional model of the foreign language translator into the fused deposition modeling machine, and perform layered slice processing;

[0043] (4) Put the chitosan antibacterial fiber loaded with nano-Ag particles described in step (1) into the hollow polylactic acid wire hole described in step (2), and send the wire to the After ent...

Embodiment 3

[0046] (1) Dissolve chitosan in a mixed aqueous solution of 3.5wt.% acetic acid / 0.5wt.% ethylenediamine and stir, then add 0.8g / L dilute silver nitrate solution and stir, and use visible light irradiation to assist the electrospinning process , the spinning aperture is 0.2mm, and the voltage is 18kV. During the spinning process, visible light irradiation promotes Ag + In-situ reduction to nano-Ag to obtain chitosan antibacterial fibers loaded with nano-Ag particles;

[0047] (2) The biodegradable polylactic acid is heated to 190°C for melting, and the hollow filament is extruded through an extrusion molding process;

[0048] (3) Import the three-dimensional model of the foreign language translator into the fused deposition modeling machine, and perform layered slice processing;

[0049] (4) Put the chitosan antibacterial fiber loaded with nano-Ag particles described in step (1) into the hollow polylactic acid wire hole described in step (2), and send the wire to the After en...

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Abstract

The invention discloses an environment-friendly antibacterial foreign language translation machine material and a preparation method thereof. The material comprises antibacterial nano Ag particle loaded microporous structure chitosan/polylactic acid. The preparation method comprises the following steps: mixing a chitosan solution with a silver nitrate solution, and carrying out visible light irradiation and electrostatic spinning processes to obtain chitosan antibacterial fibers loaded with nano Ag particles; polylactic acid is heated and melted, and a hollow polylactic acid wire is extruded; importing the three-dimensional model of the foreign language translator into a fused deposition modeling device for layering and slicing; the preparation method comprises the following steps: putting the chitosan antibacterial fiber into a hollow polylactic acid wire hole, heating and melting into a melt, introducing critical inert gas, maintaining pressure, dissolving the inert gas into the melt, carrying out fused deposition on the melt to form a foreign language translation machine structure, and carrying out in-situ microcellular foaming to form a microcellular structure in the processes of room-temperature cooling solidification and pressure release. The preparation of the environment-friendly degradable long-acting antibacterial foreign language translator material is realized, and the application prospect is wide.

Description

technical field [0001] The invention relates to a functional environment-friendly material and a preparation method thereof, in particular to an environment-friendly and antibacterial foreign language translator material and a preparation method thereof. Background technique [0002] Language is an important tool for us to express our emotions and needs. With the acceleration of the globalization process, the demand for communication between people from different countries has increased sharply. Communication between people from different countries is restricted. The foreign language translation machine is a translation tool that can realize mutual translation of multiple languages, and its birth can solve the above problems. [0003] At present, most foreign language translator shells on the market are made of non-degradable plastics such as lightweight ABS and PC. The upgrading and elimination of their products will inevitably bring more environmental pollution. For examp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/04C08L5/08C08K3/08C08K9/12C08J9/12C08J9/00
CPCC08J9/122C08J9/0061C08J9/009C08J2367/04C08J2405/08C08J2203/06C08J2203/08C08K2003/0806C08K9/12
Inventor 张晓雯谈鑫王雨静殷嘉澳孙建光李梓夏木建
Owner HUAIYIN INSTITUTE OF TECHNOLOGY
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