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Near-infrared-light-responsive intelligent aquagel bionic arm and preparation method thereof

A near-infrared photoresponse and bionic arm technology, applied in the field of bionic smart materials, can solve the problems of rare hydrogels and limited mechanical properties, and achieve the effect of overcoming low driving precision, excellent mechanical strength, and mild polymerization conditions

Active Publication Date: 2015-12-02
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the reported high mechanical strength hydrogels are limited to the characterization of mechanical properties, and the application of hydrogels, especially in hydrogel smart actuators, is still rare.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] At room temperature, 5 mg of graphene oxide was ultrasonically dispersed in 10 mL of deoxygenated deionized water to obtain an aqueous dispersion of graphene oxide, and then 0.1 g of lithium diatomaceous earth LaponiteXLG gel-type product was dispersed in the above aqueous dispersion of graphene oxide, Stir for 2 hours; then add 0.5g of acrylamide monomer, stir for 2 hours to obtain a uniform dispersion; pass argon into the dispersion for 10 minutes to remove oxygen, add initiator potassium persulfate 0.015g and tetramethylethylenediamine 0.004 g, to obtain reaction solution I; 5 mg of graphene oxide was dispersed in 10 mL of deoxygenated deionized water by ultrasonic at room temperature to obtain a graphene oxide aqueous dispersion, and then 0.1 g of lithium algalite LaponiteXLG gel-type product was dispersed in the above oxidation In the graphene aqueous dispersion, stir for 2h; then add 0.5g N - Isopropylacrylamide monomer, stirred for 2h to obtain a uniform dispersi...

Embodiment 2

[0030]At room temperature, 20 mg of graphene oxide was ultrasonically dispersed in 10 mL of deoxygenated deionized water to obtain an aqueous dispersion of graphene oxide, and then 0.2 g of LaponiteRD gel-type product was dispersed in the above aqueous dispersion of graphene oxide, Stir for 2 hours; then add 0.9g of acrylamide monomer, stir for 2 hours to obtain a uniform dispersion; pass argon into the dispersion for 10 minutes to remove oxygen, add initiator ammonium persulfate 0.001g and tetramethylethylenediamine 0.001 g, to obtain the reaction solution I; at room temperature, 20 mg of graphene oxide was dispersed in 10 mL of deoxygenated deionized water by ultrasound to obtain a graphene oxide aqueous dispersion, and then 0.2 g of lithium diatomaceous earth LaponiteRD gel-type product was dispersed in the above oxidation In the graphene aqueous dispersion, stir for 2h; then add 0.7g N - Isopropylacrylamide monomer, stirred for 2 hours to obtain a uniform dispersion; feed ...

Embodiment 3

[0032] At room temperature, 5 mg of graphene oxide was ultrasonically dispersed in 10 mL of deoxygenated deionized water to obtain an aqueous dispersion of graphene oxide, and then 0.3 g of lithium diatomaceous earth LaponiteRD gel-type product was dispersed in the above aqueous dispersion of graphene oxide, Stir for 2 hours; then add 1.3g of acrylamide monomer, stir for 2 hours to obtain a uniform dispersion; pass argon into the dispersion for 10 minutes to remove oxygen, add initiator ammonium persulfate 0.007g and tetramethylethylenediamine 0.003 g, to obtain reaction solution I; 5 mg of graphene oxide was dispersed in 10 mL of deoxygenated deionized water by ultrasonic at room temperature to obtain a graphene oxide water dispersion, and then 0.3 g of laponite RD gel-type product was dispersed in the above oxidation In the graphene aqueous dispersion, stir for 2h; then add 1.0g N - Isopropylacrylamide monomer, stirred for 2 hours to obtain a uniform dispersion; feed argon g...

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Abstract

The invention discloses a near-infrared-light-responsive intelligent aquagel bionic arm and a preparation method thereof. The aquagel bionic arm is formed by connecting three aquagels with different functions by in-situ free-radical polymerization, wherein the three aquagels are respectively a I-extension section, a II-contraction section and a III-grabbing section. The aquagel bionic arm can capture the target object under the action of viscosity or magnetism. The intelligent aquagel bionic arm can implement the bionic actions of extension, object capturing and retrieval under the irradiation of near-infrared light. The preparation method comprises the following steps: respectively dispersing the three aquagel components in water, adding an initiator, adding the three aquagels into a mold according to the sequence of I-II-III or III-II-I, sealing, and reacting in a 10-25-DEG C environment for 12-48 hours to obtain the near-infrared-light-responsive intelligent aquagel bionic arm.

Description

technical field [0001] The invention relates to the field of bionic intelligent materials of functional polymer-inorganic lithium algae nano-hybrid materials, in particular to a near-infrared light-responsive intelligent hydrogel bionic arm and a preparation method thereof. Background technique [0002] Because hydrogel contains a large amount of water and has a perfect three-dimensional network structure to give it the characteristics of soft matter, this structure is similar to biological tissue, and has important application prospects in the field of biomedical materials, and soft matter actuators, especially hydrogels The development of actuators in the field of smart materials is receiving increasing attention. The unique structure and intelligent responsiveness of organisms to external stimuli have important inspiration and guidance for the development and design of new actuator materials. Apply the structure and characteristics of organisms to the design and developme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F292/00C08F220/56C08F220/54C08F4/40A61L27/16A61L27/02A61L27/20A61L27/52
Inventor 王涛黄家和杨奕青赵雷孙尉翔童真
Owner SOUTH CHINA UNIV OF TECH
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