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Ionic conductor elastomer and preparation and application thereof

A technology of ion conductors and elastomers, applied in the direction of additive processing, etc., can solve the problems of long self-healing effect and inability to take into account stability, etc., and achieve the effects of easy batch production, self-repairing elongation at break, and convenient operation process

Inactive Publication Date: 2019-06-25
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 an ion conductor elastomer and its preparation and application, which overcomes the inability of the existing ion conductor elastomer to take into account stability under extreme ambient temperature, high strength, self-repairing effect and super long The elongation at break defect

Method used

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  • Ionic conductor elastomer and preparation and application thereof
  • Ionic conductor elastomer and preparation and application thereof
  • Ionic conductor elastomer and preparation and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] 5 g of 3-(2-methacryloxyethyl dimethylamino) propanesulfonate monomer, 1.3 g of polyacrylic acid and 2.1 g of 1-ethyl-3-methylimidazole ethyl sulfate salt were dispersed In 30mL of water, stir evenly; add 0.1g of ammonium persulfate initiator; mix the aqueous solution and heat it at 70°C for 6 hours, and the obtained polymer aqueous solution is dried at room temperature to form a film, or processed into various shapes by 3D printing, A high-strength, self-healing, ultra-long stretchable ion conductor elastomer at room temperature can be obtained.

[0034] The tensile curve of the ion conductor elastomer obtained in this embodiment is as follows figure 1 The mechanical data are shown in Table 1. From figure 1 As can be seen in Table 1, the ionic conductor elastomer has a Young's modulus of 2.3 MPa, an elongation at break of more than 10000%, and a rapid room temperature self-healing effect.

[0035] Table 1 The mechanical data of the ion-conducting elastomer prepare...

Embodiment 2

[0041]Disperse 2 g of 3-(2-methacryloyloxyethyldimethylamino)propanesulfonate monomer, 1.3 g of polyacryl alcohol and 3 g of 1-butyl-3-methylimidazolium tetrafluoroborate In 10mL of water, stir evenly; add 0.5g of potassium persulfate initiator; mix the aqueous solution and heat reaction at 50°C for 24 hours, and the obtained polymer aqueous solution is dried at room temperature to form a film, or processed into various shapes by 3D printing, A high-strength, self-healing, ultra-long stretchable ion conductor elastomer at room temperature can be obtained.

[0042] The ionic conductor elastomer prepared in this example has a Young's modulus of 1 MPa, an elongation at break of more than 2000%, and a rapid self-repair effect at room temperature (the self-repair time at room temperature is 36 hours, and the self-repair efficiency is close to 100%); Good ion conduction stability (deviation <±3%) can be maintained at extreme low temperature (-10°C) and extreme high temperature (100°...

Embodiment 3

[0044] Disperse 2g of acrylic acid monomer, 1.3g of acrylamide monomer, 1g of polyvinyl alcohol and 2.1g of 1-ethyl-3-methylimidazole ethyl sulfate salt in 10mL of water, stir well; add 1g of 2-hydroxy- Methylphenylpropan-1-one initiator; the mixed aqueous solution was subjected to UV (365nm, 200mW cm -2 ) light for 1 second, and the obtained polymer aqueous solution is dried at 100°C to form a film, or processed into various shapes by 3D printing, and a high-strength, self-healing, ultra-long stretchable ion conductor at room temperature can be obtained. elastomer.

[0045] The ionic conductor elastomer obtained in this example has a Young's modulus of 1.1 MPa, an elongation at break of more than 2000%, and a rapid self-repair effect at room temperature (the self-repair time at room temperature is 12h, and the self-repair efficiency is close to 100%) ; Good ion conduction stability (deviation <±3%) can be maintained at extreme low temperature (-10°C) and extreme high tempera...

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Abstract

The invention relates to an ionic conductor elastomer and preparation and application thereof. The ionic conductor elastomer is prepared by taking a high molecular monomer, a water-soluble polymer andan ionic liquid as raw materials, carrying out one-step water phase free radical polymerization under the action of an initiator, and processing. The ionic conductor elastomer prepared by the invention has high strength, self-repair, ultra-long stretching and other high performance, and is easy to be processed into various shapes. The ionic conductor elastomer has simple steps and easy operation,is convenient to realize large-scale production and preparation, and is expected to be used in the fields of Internet of Things sensing equipment, medical bionic electronic instruments, intelligent robots and the like.

Description

technical field [0001] The invention belongs to the technical field of functional materials, and in particular relates to an ion conductor elastic body and its preparation and application. Background technique [0002] In recent years, with the rapid increase in demand for the concept of "Internet of Things" and soft matter robots, related industries and technical fields are also facing more opportunities and challenges, among which sensors are important components of the "nervous system" of soft matter robots and the Bottom-level accessories are the key equipment to support the operation of future soft-matter robots and the entire Internet of Things. In order to build a large-scale sensor network, it is necessary to develop low-cost, high-efficiency sensor equipment, especially those capable of bionic tissue mechanics flexibility, simulation and even beyond Sensors with biological perception functions, that is, bionic skin devices, will provide more intelligent materials an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F265/02C08F220/38C08F261/04C08F220/34C08F271/02C08F271/00C08F212/14C08J5/18C08L51/00C08K5/3445C08K5/41C08K5/55B33Y70/00
Inventor 雷周玥武培怡
Owner DONGHUA UNIV
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