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A monolithic helical ionic polymer metal composite linear drive unit and its preparation method

A technology of metal composite materials and ionic polymers, applied in metal material coating technology, ion implantation plating, vacuum evaporation plating, etc., can solve problems such as large space, unfavorable use, poor conductivity, etc., and achieve high yield High, stable force output performance, small space effect

Active Publication Date: 2020-01-03
ZHEJIANG SCI-TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

CN104696174A discloses a linear drive unit made of double-sheet ionic polymer metal composite material. Although the double-sheet IPMC can provide linear drive, the space required for its bending is large, which is not conducive to the use in a narrow space and limits its application range.
And the single-chip IPMC has a single movement form
[0004] In the preparation method of IPMC, electroless plating (platinum or gold) is the optimal process of manufacturing the IPMC based on Nafion film, but the metal electrode density that this method obtains is not good enough, electrical conductivity is not good, and electroless plating cannot Controlling the shape of IPMC electrodes limits the design of diverse electrodes for IPMC

Method used

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  • A monolithic helical ionic polymer metal composite linear drive unit and its preparation method
  • A monolithic helical ionic polymer metal composite linear drive unit and its preparation method
  • A monolithic helical ionic polymer metal composite linear drive unit and its preparation method

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Embodiment 1

[0031] A preparation method of a monolithic spiral-shaped ion polymer metal composite linear drive unit is as follows:

[0032] Step one, polish the nafion117 ionic polymer membrane, use W10 (04#) metallographic sandpaper, and polish it evenly in one direction.

[0033] Step 2: Put the polished nafion117 ionomer membrane obtained in step 1 into a beaker containing deionized water, soak for 10 minutes, then take out the ionomer membrane and put it into another beaker containing deionized water, ultrasonic After cleaning for 10 minutes, put the ionic polymer membrane in a 2mol / L HCL and boil for 1 hour. The heating temperature is 150℃, and the beaker is covered. Finally, the ionic polymer membrane is taken out and washed with deionized water and boiled with hydrogen peroxide. , Deionized water cleaning and deionized water boiling for 0.5h.

[0034] Step three, put the nafion117 ionic polymer membrane obtained in step two into 0.1mol / L H 2 SO 4 Soak it in the middle for 0.5h; then take...

Embodiment 2

[0040] A preparation method of a monolithic spiral-shaped ion polymer metal composite linear drive unit is as follows:

[0041] Step one, polish the nafion117 ionic polymer membrane, use W10 (No. 04) metallographic sandpaper to polish evenly in one direction;

[0042] Step 2: Put the polished nafion117 ionomer membrane obtained in step 1 into a beaker containing deionized water, soak for 10 minutes, then take out the nafion117 ionomer membrane and put it into another beaker containing deionized water. Ultrasonic cleaning for 10 minutes, then put the nafion117 ionic polymer membrane into 2mol / L HCL and boil it for 1h, heating temperature is 170℃, beaker with lid. Finally, take out the nafion117 ionic polymer membrane, wash with deionized water, boil hydrogen peroxide, deionized water and deionized water for 0.5h;

[0043] Step three, put the nafion117 ionic polymer membrane obtained in step two into 0.1mol / L H 2 S0 4 Soak the nafionl17 ionic polymer membrane for 0.5h; then take out t...

Embodiment 3

[0049] A preparation method of a monolithic spiral-shaped ion polymer metal composite linear drive unit is as follows:

[0050] Step one, polish the nafion117 ionic polymer membrane, use W10 (No. 04) metallographic sandpaper to polish evenly in one direction;

[0051] Step 2: Put the polished nafion117 ionomer membrane obtained in step 1 into a beaker containing deionized water, soak for 20 minutes, then take out the nafion117 ionomer membrane and put it into another beaker containing deionized water. Ultrasonic cleaning for 20 minutes, then put the nafion117 ionic polymer membrane into 2mol / L HCL and boil it for 1h, the heating temperature is 180℃, and the beaker is covered with a lid. Finally, take out the nafion117 ionic polymer membrane, wash with deionized water, boil with hydrogen peroxide, wash with deionized water, and boil with deionized water for 0.5 h.

[0052] Step three, put the nafion117 ionic polymer membrane obtained in step two into 0.1mol / L H 2 SO 4 Soak the nafion...

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Abstract

The invention relates to a single spiral ion polymer metal composite linear drive unit and a preparation method thereof. The single spiral ion polymer metal composite linear drive unit comprises a nafion117 ion polymer membrane, Ag nano particles and gold membrane electrodes, the Ag nano particles are embedded on surfaces of two sides of the nafion117 ion polymer membrane, the gold membrane electrodes are symmetrically arranged above the Ag nano particles at two sides of the nafion117 ion polymer membrane, and the gold membrane electrodes take on a continuous multiple-Z shape. The prepared ionpolymer metal composite can be bent in a spiral shape under electric driving, and can perform linear motion along the spiral shaft direction, thereby being a unit basis of a combined, superposed multi-direction driver. The single spiral ion polymer metal composite linear drive unit has a simple structure, has high repeatability, is stable in force output performance, and has a broad application prospect in fields like flexible electrically actuated smart materials, underwater smart switches and low voltage drive.

Description

Technical field [0001] The invention belongs to the field of flexible electrically actuated smart materials, and specifically relates to a monolithic spiral-shaped ion polymer metal composite (IPMC) linear drive unit and a preparation method thereof. [0002] technical background [0003] Nafion is a perfluorosulfonic acid ionic polymer membrane, which is terminated by a PTFE-like backbone, short side chains and sulfonic acid groups, including H + , Li + , Na + , K + , Hydrophobic fluorocarbon and hydrophilic ionic phase composition. Nafion has excellent properties such as easy production, light weight, large elasticity, large bending deformation, fast bending response speed, softness, and low-voltage driving. It has important application prospects in the field of ionic electric actuation smart materials. CN104696174A discloses a two-piece ionic polymer metal composite linear drive unit. Although the two-piece IPMC can provide linear drive, its bending requires a large space, which...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C14/02C23C14/04C23C14/20C23C14/35
CPCC23C14/025C23C14/028C23C14/042C23C14/205C23C14/35
Inventor 王顺利贾江鸣严博叶伟
Owner ZHEJIANG SCI-TECH UNIV