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Method for preparing ionic polymer-metal smart electric driving composite material

An ionic polymer and metal composite technology is applied in the field of preparation of electroactive ionic polymer-metal-sensitive electro-driven composite materials, which can solve the problems of high price of material synthesis and molding technology, high deformation initial stress, and complicated production process. , to achieve the effect of large deformation, low initial deformation stress and low cost

Inactive Publication Date: 2012-11-07
QINGDAO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This type of ionic polymer can prepare SEDM, but the preparation process and method have problems such as high deformation initial stress, complicated production process, and environmental pollution, and the synthesis and molding technology of the material is expensive and difficult to apply

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] (1) Raw material pretreatment: the emulsion polymerized monomer is distilled under reduced pressure, removes the polymerization inhibitor, and is placed in the refrigerator for subsequent use; 0.25 g of the initiator ammonium persulfate is formulated into an aqueous solution of 2% by weight;

[0011] (2) Styrene-butyl acrylate-propylene sulfonate ternary emulsion polymerization: first add 1.0g sodium lauryl sulfate, 5g propylene sulfonate, 0.4g sodium bicarbonate and 75ml deionized water to 250ml four Place the four-necked flask in a water bath at 55°C and stir to dissolve at 250r / min, fill with nitrogen for 20min to remove the oxygen in the device; add 16ml of butyl acrylate and 16ml of styrene into the constant pressure dropping funnel, and then Add 50% of the mixed monomer dropwise into the four-necked flask, pre-emulsify for 0.5 hours, raise the temperature to 75°C, add 50% by weight ammonium persulfate solution, and react until no monomer refluxes; slowly drop the r...

Embodiment 2

[0016] (1) raw material pretreatment: the emulsion polymerization monomer is distilled under reduced pressure, removes the polymerization inhibitor, is placed in the refrigerator for subsequent use; 0.3 g of the initiator ammonium persulfate is formulated into an aqueous solution of 2% by weight;

[0017] (2) Styrene-butyl acrylate-sodium acrylate ternary emulsion polymerization: with the step (2) of embodiment 1;

[0018] (3) nano-emulsion film-forming: get 3g nano-emulsion and pour in the petri dish on the horizontal desktop, place 24 hours in the air at room temperature, make copolymer latex film;

[0019] (4) Preparation of IPMC material: Take 5g of nano-silver modified carbon fiber and 8g of nano-emulsion, mix the two to form a conductive emulsion, place the dried copolymer latex film on a spin coater, turn on the spin coater, and put 1g of conductive The emulsion is poured on the center of the copolymer latex film. After the conductive emulsion is evenly dispersed on the...

Embodiment 3

[0022] (1) raw material pretreatment: with the first (1) step of embodiment 1;

[0023] (2) acrylonitrile-butyl acrylate-sodium acrylate ternary emulsion polymerization: with the step (2) of embodiment 1;

[0024] (3) Nano-emulsion film formation: get 10g of nano-emulsion and pour it into a petri dish on a horizontal desktop, place it in the air at room temperature for 72 hours, and form a film;

[0025] (4) Preparation of ionic polymer and metal composite membrane material: take 5g nano-silver modified carbon fiber, 10g nano-emulsion, mix the two to form a conductive emulsion, place the dried copolymer emulsion film on a spin coater, turn on the spinner Coating instrument, pour 3g of conductive emulsion on the center of the copolymer latex film, wait until the conductive emulsion is evenly dispersed on the surface of the copolymer latex film, remove the copolymer latex film from the spin coater, and place it in the air at room temperature for 38 hours; The copolymer latex me...

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PUM

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Abstract

The invention belongs to the technical field of preparation of macromolecular metal composite materials, and relates to a method for preparing an electroactive ionic polymer-metal smart electric driving composite material. The material prepared by the method has the characteristic of smart deformation under low direct current voltage driving. The method comprises process steps of: preparing ternary ionic copolymer; preparing an ionic polymer and metal composite film; and preparing surface electrodes on two sides, wherein emulsion polymerization monomer is distilled under reduced pressure by using an emulsion polymerization method, a polymerization inhibitor is removed, and the monomer is placed in a refrigerator for later use during the preparation of the ternary ionic copolymer; the ionic polymer-metal composite film is obtained by pouring nano latex in a shallow glass channel type flat bottomed mould under atmospheric environment during the preparation of the ionic polymer-metal composite film; and a micron-thick metal plating is prepared through a chemical reduction method or a conductive filler-containing conductive coating is coated by using a physical spin coating method during the preparation of the surface electrodes on the two sides. The method has the advantages of simple preparation process, high toughness of prepared products, low cost and no environmental pollution.

Description

Technical field: [0001] The invention belongs to the technical field of polymer metal composite material preparation, and relates to a preparation method of an electroactive ion polymer-metal smart electric driving composite material, and the prepared material has the characteristics of smart deformation under low DC voltage driving. Background technique: [0002] Smart electric driving materials (smart electric driving materials, SEDM) have a wide range of applications in the fields of intelligent and micro-robot skin and drives, micro-nano fluid control, biological tissue engineering, artificial biological organs, etc. Materials with large deformation can undergo complex deformation process under controlled alternating voltage. Generally, electroactive polymers (EAP) can be used as the matrix material of SEDM. Under the action of an external electric field, they can produce various forms of mechanical responses such as stretching, bending, tightening or expansion through c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08J7/04C08J5/18C08F220/18C08F212/08C08F228/02C08F2/24C08F220/06C08F220/44C23C18/40C23C18/44
Inventor 唐建国杨波刘继宪王瑶黄林军庄娜廖金龙
Owner QINGDAO UNIV
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