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Multi-stimulus-response actuating film and preparation and application thereof

A thin film and actuation technology, which is applied in the direction of manufacturing microstructure devices, piezoelectric devices/electrostrictive devices, and processes for producing decorative surface effects, etc., can solve the problem of low film formation strength and single response stimulus conditions of actuated films and other problems, the preparation method is simple and fast, the actuation behavior is obvious, and the effect of reducing interface problems is achieved.

Active Publication Date: 2020-06-12
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a multi-stimuli-responsive actuation film and its preparation and application, which overcomes the defects of low carbon-based material actuation film film-forming strength and single response stimulus condition

Method used

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  • Multi-stimulus-response actuating film and preparation and application thereof
  • Multi-stimulus-response actuating film and preparation and application thereof
  • Multi-stimulus-response actuating film and preparation and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] (1) At room temperature, measure 0.3 ml of acetic acid, add deionized water and dilute to 10 ml to obtain an acetic acid solution with a volume concentration of 3%, weigh 250 mg of chitosan and disperse it into a 3% acetic acid solution, heat and stir at 60 °C to obtain Chitosan dispersion, then weigh 25 mg of carbon nanotubes and add it to the chitosan dispersion, and treat it with a cell ultrasonic pulverizer in an ice-water bath for 2 hours to disperse the carbon nanotubes uniformly to obtain a carbon nanotube-chitosan dispersion. ;

[0040] (2) Pour the carbon nanotube-chitosan dispersion obtained in step (1) into a sand core funnel, and use cellulose acetate filter paper as a filter membrane to perform suction filtration through a circulating water vacuum pump. After the carbon nanotube-chitosan / acetate filter paper film was formed by suction filtration, that is, after the carbon nanotube-chitosan dispersion lost its fluidity, it was dried in a 50°C oven for 2 hour...

Embodiment 2

[0047] (1) At room temperature, measure 0.3 ml of acetic acid, add deionized water and dilute to 10 ml to obtain an acetic acid solution with a volume concentration of 3%, weigh 250 mg of chitosan and disperse it into a 3% acetic acid solution, heat and stir at 60 °C to obtain Chitosan dispersion, then weigh 35 mg of carbon nanotubes and add it to the chitosan dispersion, and treat with a cell ultrasonic pulverizer in an ice-water bath for 2 hours to disperse the carbon nanotubes uniformly to obtain a carbon nanotube-chitosan dispersion. ;

[0048] (2) Pour the carbon nanotube-chitosan dispersion obtained in step (1) into a sand core funnel, and use cellulose acetate filter paper as a filter membrane to perform suction filtration through a circulating water vacuum pump. After the carbon nanotube-chitosan / acetate fiber filter paper film was formed by suction filtration, that is, after the carbon nanotube-chitosan dispersion lost its fluidity, it was dried in a 60°C oven for 1.5...

Embodiment 3

[0050] (1) At room temperature, measure 0.3 ml of acetic acid, add deionized water and dilute to 10 ml to obtain an acetic acid solution with a volume concentration of 3%, weigh 250 mg of chitosan and disperse it into a 3% acetic acid solution, heat and stir at 60 °C to obtain Chitosan dispersion, then weigh 45 mg of carbon nanotubes and add it to the chitosan dispersion, and treat it with a cell ultrasonic pulverizer in an ice-water bath for 2 hours to disperse the carbon nanotubes uniformly to obtain a carbon nanotube-chitosan dispersion. ;

[0051] (2) Pour the carbon nanotube-chitosan dispersion obtained in step (1) into a sand core funnel, and use cellulose acetate filter paper as a filter membrane to perform suction filtration through a circulating water vacuum pump. After the carbon nanotube-chitosan / acetate fiber filter paper film is formed by suction filtration, that is, after the carbon nanotube-chitosan dispersion loses its fluidity, it is dried in a 70°C oven for 1...

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Abstract

The invention relates to a multi-stimulus-response actuating film and preparation and application thereof. The film comprises a carbon nanotube-chitosan film layer and a microfiltration film layer. The preparation method is simple and rapid, large-scale production can be achieved, and the prepared carbon nanotube-chitosan / cellulose acetate fiber filter paper film can have rapid, remarkable and stable deformability under the conditions of electrification, water vapor and infrared light and has important application value in the fields of flexible switches, artificial muscles, soft robots, environmental monitoring and the like.

Description

technical field [0001] The invention belongs to the field of actuating films and their preparation and application, in particular to a multi-stimulus-responsive actuating film and its preparation and application. Background technique [0002] A flexible actuator is an intelligent device that can respond to external environmental stimuli such as light, heat, electricity, humidity, magnetic field, pressure, etc. Actuators, electric actuators, magnetic actuators, pressure actuators, etc. Flexible actuators that can respond to a variety of stimuli, respond to more external environmental conditions, and are convenient and controllable, so they have a high degree of research in the fields of flexible control, artificial muscles, biomedicine, and environmental monitoring. value and application prospects. [0003] Carbon nanotubes are one-dimensional nanomaterials with light weight and excellent mechanical, electrical and chemical properties. With the deepening of the research, i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B81B3/00B81C1/00
CPCB81B3/0021B81B3/0024B81B3/0029B81B3/0032B81C1/00158Y02A50/30
Inventor 李耀刚张令坤王宏志张青红侯成义
Owner DONGHUA UNIV
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