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Polymer device with driving and sensing capability, preparation thereof and application thereof

A sensing and functional technology, applied in the manufacture/assembly of piezoelectric/electrostrictive devices, piezoelectric/electrostrictive/magnetostrictive devices, electrical components, etc., can solve the problems of low actuation ability of PVDF, To achieve the effect of improving the control accuracy

Inactive Publication Date: 2014-02-05
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to solve the shortcomings of the low actuation ability of PVDF existing in the prior art, the present invention provides a polymer device with driving and sensing ability and its preparation and application

Method used

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  • Polymer device with driving and sensing capability, preparation thereof and application thereof
  • Polymer device with driving and sensing capability, preparation thereof and application thereof
  • Polymer device with driving and sensing capability, preparation thereof and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0085] The first step is to prepare the ion exchange layer 1:

[0086] Ion exchange solution: Nafion DE520cs, curing agent dimethylsulfoxide (DMSO), glass mold volume size 10cm×10cm×10cm.

[0087] To prepare a 0.4 mm ion exchange layer, put a glass mold containing 112 ml of Nafion solution into a vacuum drying oven, control the temperature of the vacuum drying oven at 60° C., and dry the solution to a concentration of 30%. Add DMSO dropwise into the solution (volume ratio: DMSO:Nafion=1:35) to form a film-casting liquid, and put the film-casting liquid into an ultrasonic cleaning machine to vibrate for about 30 minutes. Place the casting solution in an oven at 55°C until the surface of the film is dry, raise the temperature of the oven to 110°C and keep it for 1 hour, then raise the temperature to 130°C and keep it for 4 hours, turn off the oven, and let it cool down to room temperature naturally.

[0088] The second step is to prepare the transition electrode layer 2:

[00...

Embodiment 2

[0105] The first step is to prepare the ion exchange layer 1

[0106] Raw materials: ion exchange solution: Nafion DE520cs, curing agent dimethyl sulfoxide (DMSO), glass mold volume size 10cm×10cm×10cm, and prepare 0.2mm ion exchange layer.

[0107] Put the glass mold filled with 56 milliliters of Nafion solution into a vacuum drying oven, control the temperature of the vacuum drying oven to be 55° C., and bake the solution to a concentration of 25%. Add DMSO dropwise to the solution (volume ratio: DMSO:Nafion=1:40) to form a film-casting liquid, and put the film-casting liquid into an ultrasonic cleaning machine to vibrate for about 25 minutes. Put the casting solution in an oven at 55°C until the surface of the film is dry, raise the temperature of the oven to 100°C and keep it for 1.5 hours, then raise the temperature to 120°C and keep it for 3 hours, turn off the oven, and let it cool down to room temperature naturally.

[0108] After taking it out, cut it into a strip-sh...

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Abstract

The invention discloses a polymer device with driving and sensing capability, preparation thereof and application thereof. The device comprises a piezoelectric layer formed by a PVDF film, function material is multilayer composite material, and with an ion exchange layer as a center, upper and lower surfaces are symmetrically provided with a transition electrode layer, an elastic conductive bonding layer, the piezoelectric layer and an electrode layer from inside to outside. The ion exchange layer is obtained through solidification of a Nafion solution. The transition electrode layer is two layers formed by metal Pt or Ag at inside and outside. The elastic conductive bonding layer is obtained through uniformly adding nanometer level conductive material to the Nafion solution and solidification. The piezoelectric layer is the PVDF film. The electrode layer is a plurality of mutually independent latticed microelectrodes which are formed by metal Ag or Al. The microelectrodes are mutually insulated and are electrically connected with a driving source or a sensing source according to a design requirement. According to the device, the preparation and the application of the invention, the material can generate multi-scale multi-dimensional continuous controllable deformation.

Description

1. Technical field [0001] The polymer device with driving and sensing capabilities of the present invention can be widely used in the fields of aerospace, bionic engineering, biomedicine, energy collection and the like. 2. Background technology [0002] Researchers have long focused on the study of hard materials with wide applications in engineering and mechanics, however, the mechanical structures of animal and plant organisms in nature are usually soft materials. Compared with traditional "hard materials" such as metals and ceramics, polymers are typical representatives of "soft materials". Soft materials can produce different degrees of deformation in response to external stimuli (such as mechanical stress, temperature, electromagnetic field, etc.) and show activity. Smart soft material is a new type of functional material that can sense external stimuli, judge and process it appropriately, and can be executed by itself. Compared with traditional hard smart materials, i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L41/047H01L41/193H01L41/45
Inventor 熊克卞侃朱程燕苏永刚顾莉莉
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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