Wave absorbing material for medical apparatus and preparation method thereof

A technology for absorbing materials and medical devices, applied in the field of medical materials, can solve the problems of the need for further improvement of the absorbing effect, the limited service life of materials, and the limited absorbing range, and achieves the control of electromagnetic pollution, the low manufacturing cost, and the absorbing effect. Good results

Inactive Publication Date: 2018-05-08
CHENGDU YUYA TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These traditional absorbing materials in the prior art have a limited absorbing range, and the absorbing effect needs to be further improved, and most of these materials can only be made into absorbing materials for medical devices by doping into polymer materials, and these materials are expensive , Easy to bleed out or phase separate from the polymer material, making the material have a limited service life

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A method for preparing a wave-absorbing material for medical devices, comprising the steps of:

[0028] 1) Preparation of vinylferrocene-4-vinylaniline-acrylonitrile triblock copolymer: 400g of vinylferrocene, 400g of 4-vinylaniline, 150g of acrylonitrile, 20g of benzoin ethyl ether and dodecylbenzene 20g of sodium sulfonate was uniformly mixed by stirring and ultrasonication, then dropped on a glass template, and irradiated with ultraviolet light with a wavelength of 220nm at room temperature for 50min to obtain a copolymer;

[0029] 2) Preparation of polypyrrole tube: 600g FeCl 3 •6H 2 O. Disperse 20 g of methyl orange in 3000 g of water. When flocculent substances are formed, add 20 g of pyrrole monomer and stir at room temperature for 24 hours. Obtain a black suspension, filter and dry to obtain a black solid substance;

[0030] 3) Surface modification of polypyrrole tubes: ultrasonically disperse 20 g of polypyrrole nanotubes prepared in step 2) in 100 g of N-me...

Embodiment 2

[0035] A method for preparing a wave-absorbing material for medical devices, comprising the steps of:

[0036] 1) Preparation of vinylferrocene-4-vinylaniline-acrylonitrile triblock copolymer: 400g vinylferrocene, 400g 4-vinylaniline, 150g acrylonitrile, 30g benzoin and polyoxypropylene polyethylene glycerin Mix 30g of ether evenly by stirring and ultrasonication, then drop it on a glass template, and irradiate it with ultraviolet light with a wavelength of 230nm at room temperature for 45min to obtain a copolymer;

[0037] 2) Preparation of polypyrrole tube: 600g FeCl 3 •6H 2 O. Disperse 20 g of methyl orange in 4000 g of water. When flocculent substances are formed, add 30 g of pyrrole monomer and stir at room temperature for 28 hours. Obtain a black suspension, filter and dry to obtain a black solid substance;

[0038] 3) Surface modification of polypyrrole tubes: ultrasonically disperse 22 g of polypyrrole nanotubes prepared in step 2) in 150 g of N-methylpyrrolidone, t...

Embodiment 3

[0043] A method for preparing a wave-absorbing material for medical devices, comprising the steps of:

[0044] 1) Preparation of vinylferrocene-4-vinylaniline-acrylonitrile triblock copolymer: 400g of vinylferrocene, 400g of 4-vinylaniline, 150g of acrylonitrile, 40g of benzoin dimethyl ether and nonylphenol 30g of polyoxyethylene ether was mixed uniformly by stirring and sonication, and then dropped on a glass template, and irradiated with ultraviolet light with a wavelength of 250nm at room temperature for 50min to obtain a copolymer;

[0045] 2) Preparation of polypyrrole tube: 600g FeCl 3 •6H 2 O. Disperse 20 g of methyl orange in 5000 g of water. When flocculent substances are formed, add 35 g of pyrrole monomer and stir at room temperature for 30 hours. Obtain a black suspension, filter and dry to obtain a black solid substance;

[0046] 3) Surface modification of polypyrrole tubes: 25 g of polypyrrole nanotubes prepared in step 2) were ultrasonically dispersed in 180...

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PUM

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Abstract

The invention provides a preparation method of a wave absorbing material for a medical apparatus. The method comprises the steps of preparation of a vinyl ferrocene-4-vinylaniline-acrylonitrile triblock copolymer, preparation of a polypyrrole tube, preparation of a beta-cyclodextrin surface modified polypyrrole tube and a wave absorbing material and the like; the wave absorbing material for the medical apparatus can efficiently treat electromagnetic pollution, reduce electromagnetic wave damage to the human body and improve the data monitoring accuracy of the medical apparatus, and has wide wave absorbing frequency bands, a good wave absorbing effect and excellent market application prospects.

Description

technical field [0001] The invention belongs to the technical field of medical materials, and relates to a wave-absorbing material and a preparation method thereof, in particular to a wave-absorbing material for medical equipment and a preparation method thereof. Background technique [0002] With the progress of society and the rapid development of science and technology, technologies and products based on electromagnetic waves have sprung up like mushrooms. While these technologies and products bring convenience to people's lives, they also have an increasing impact on the environment. . Excessive electromagnetic wave radiation can cause disorders in the nervous system, immune system, reproductive system and blood circulation system, and may even induce serious diseases including various types of cancer. Radio waves may cause interference to the airport environment, and aircraft flights may be delayed due to electromagnetic wave interference; in hospitals, mobile phones m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L53/00C08L79/04C08L5/16C08F293/00C08F230/04C08F212/14C08F220/44
CPCC08F293/00C08L53/00C08L2203/02C08L2205/03C08L79/04C08L5/16C08F230/04C08F212/14C08F220/44
Inventor 汪梅花
Owner CHENGDU YUYA TECH
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