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Sulfonated polyarylethersulfone, its preparation method and its application in the preparation of electric actuators

A polyarylethersulfone, sulfonated fluorene block technology, applied in piezoelectric/electrostrictive/magnetostrictive devices, circuits, electrical components, etc., can solve the problems of dependence, small force output of artificial muscle materials, etc. The effect of improving electromechanical properties, increasing hydrophilic capacity, and low price

Inactive Publication Date: 2019-05-21
ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the artificial muscle materials involved have not made breakthroughs in issues such as small force output and dependence on humid environments.

Method used

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  • Sulfonated polyarylethersulfone, its preparation method and its application in the preparation of electric actuators
  • Sulfonated polyarylethersulfone, its preparation method and its application in the preparation of electric actuators
  • Sulfonated polyarylethersulfone, its preparation method and its application in the preparation of electric actuators

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Embodiment 1: Synthesis of polyarylethersulfone

[0045] In a 100mL round bottom flask, add 2.5g of 4,4'-dichlorodiphenylsulfone (DCDPS), 1.9861g of 2,2-bis(4-hydroxyphenyl)propane (bisphenol A, BPA), 15% excess K 2 CO 3 1.381g, solvent N,N-dimethylacetamide (DMAc) 13mL, water agent toluene 6.5mL, then install a condenser with a separator, magnetic stirring, N 2 Under protection, the temperature was slowly raised to 135°C for 3 hours to remove the water generated by the reaction, and then the temperature was raised to 155°C to continue the reaction for 14 hours. After the reaction is over, add a certain amount of DMAc to the flask to dilute the product, then pour it into 100mL of methanol to precipitate the product (polyarylethersulfone, PAES), filter and dry it, and then stir and dissolve the product with 1,2-dichloroethane After 2 hours, it was precipitated in methanol to completely remove impurities such as inorganic salts and small molecules, then washed with wat...

Embodiment 2

[0046] Example 2: Synthesis of sulfonated polyarylethersulfone

[0047] Weigh 1g of PAES and dissolve in 15mL of 1,2-dichloroethane in a round-bottomed flask connected to a constant pressure dropping funnel, stir magnetically, then measure 100μL of chlorosulfonic acid and dissolve in 10ml of 1,2-dichloro Pour the ethane into the constant pressure funnel, control the flow rate, make the chlorosulfonic acid drop by drop into the PAES solution within 2h, and then continue the reaction for 2h. After the reaction, use a rotary evaporator to distill off the solvent in the reaction system to obtain an amber solid product (sulfonated polyarylethersulfone, SPAES), stir and heat the product in 3% KOH solution to 60°C for 1h, and filter with suction After washing with water, stir and heat to 60° C. in 5% HCl solution, and finally filter and wash with water for several times, then dry. Repeat the above steps to change the dosage of chlorosulfonic acid to 200 μL, 230 μL, 250 μL, 285 μL, a...

Embodiment 3

[0048] Example 3: Synthesis of polyarylethersulfone derivatives (polyarylethersulfone derivatives obtained by condensation of 4,4'-dichlorodiphenylsulfone and bisphenolfluorene)

[0049] Add DCDPS and bisphenol fluorene (BHPF) at a molar ratio of 1:1 to a 100 mL round bottom flask, and an excess of 15% K 2 CO 3 (dried in an oven at 180°C for 24 hours before use), dried dimethyl sulfoxide (DMSO) and water-carrying agent toluene, and then installed a condenser with a water separator, magnetic stirring, N 2 Under protection, the temperature was slowly raised to 135°C for 3 hours to remove the water generated by the reaction, and then the temperature was raised to 170-190°C to continue the reaction for 20 hours. After the reaction is over, add a certain amount of DMSO to the flask to dilute the product polyarylethersulfone derivative (BHPF-PAES), then pour it into 100mL of methanol to precipitate out, filter and dry, and then stir and dissolve the dried product with DMAc for 2h. ...

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Abstract

Sulfonated poly ether sulphone or a sulfonated poly ether sulphone derivative is a phenyl sulfone and 2,2-bis(4-hydroxyphenyl)propane or fluorene-9-bisphenol (BHPF) or polyethylene glycol modified fluorene-9-bisphenol sulfonated block polymer; sulfonated poly ether sulphone, the sulfonated poly ether sulphone derivative or the polyethylene glycol modified sulfonated poly ether sulphone derivative has the structural formula shown in the specification, wherein R1 refers to H or SO3H, and R2 refers to H or SO3H. Sulfonated poly ether sulfone can be used for preparing an ionic polymer-metal composite electrical actuator. Sulfonated poly ether sulfone has a higher ion-exchange equivalent, and a wider mechanical performance adjusting range, and is relatively low in cost.

Description

technical field [0001] The present invention relates to sulfonated polyaryl ether sulfone (SPAES) and its derivatives, ion exchange polymer / metal composite electric actuator and its application in mechanical bionics. technical background [0002] Ion-exchange polymer-metal composites (Ionic Polymer-Metal Composite, IPMC), as a new class of smart materials, enjoy the reputation of "artificial muscles". The electric actuator prepared by IPMC has the advantages of low driving voltage, simple actuation method, large relative deformation, light weight and safe operation. It is used in stress sensors, artificial muscles, bionic materials, flexible mechanical actuators and biomedical materials. and other fields have broad application prospects. [0003] IPMC consists of ion-exchange polymers (perfluorosulfonic acid (such as Nafion), perfluorocarbonic acid (such as Flemion), etc.) and inert metal nanoelectrodes adsorbed on both sides of the polymer. The structural characteristics ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G65/48C08G65/40C08J5/22C08L71/10H01L41/193
Inventor 方少明郭东杰程学瑞李亚珂刘瑞
Owner ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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