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High-thermal-conductivity phase change energy storage material based on electrostatic spinning and preparation method thereof

An electrospinning and electrospinning technology, which is applied in the field of elastic conductive temperature-regulating fabrics and its preparation, can solve problems such as poor thermal conductivity and electrical conductivity, and liquid leakage

Inactive Publication Date: 2020-08-11
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the deficiencies in the prior art, the primary purpose of the present invention is to provide a method for preparing an elastic phase-change intelligent temperature-regulating material based on electrospinning to prepare an elastic phase-change temperature-regulating fabric with electrical responsiveness and high thermal conductivity and electrical conductivity , and has shape and performance stability, which overcomes the problems of liquid leakage, poor thermal conductivity and poor electrical conductivity of phase change fabrics in the prior art

Method used

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  • High-thermal-conductivity phase change energy storage material based on electrostatic spinning and preparation method thereof
  • High-thermal-conductivity phase change energy storage material based on electrostatic spinning and preparation method thereof
  • High-thermal-conductivity phase change energy storage material based on electrostatic spinning and preparation method thereof

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Embodiment 1

[0026] The preparation method of the elastic phase change intelligent temperature regulating material based on electrospinning in this embodiment comprises the following steps:

[0027] (1), disperse 0.1g of carbon nanotubes in 8g of anhydrous DMF, sonicate for 2h, then add 2g of TPU and 4g of lauric acid, stir for 24h, and make it mix into a uniform spinning solution;

[0028] (2), and then inject the spinning solution of step (1) into the syringe of the electrospinning equipment for spinning. The spinning temperature is 20°C, the relative humidity is 45%, the spinning voltage is 15kV, the distance from the spinning needle to the receiving plate is 25cm, the propulsion rate of the spinning solution is 0.8mL / h, and the drum speed of the receiving device is 100rpm / min. Obtain the carbon nanotube / TPU / lauric acid composite fiber membrane, and dry it under vacuum at 20°C for 24h; from figure 1 It can be seen that the carbon nanotube / TPU / lauric acid composite fiber has an uneven s...

Embodiment 2

[0036] The preparation method of the elastic phase change intelligent temperature regulating material based on electrospinning in this embodiment comprises the following steps:

[0037] (1), disperse 0.5g of carbon nanotubes in 8g of anhydrous DMF, sonicate for 2h, then add 2g of TPU and 1.5g of lauric acid, stir for 24h, and make it mix into a uniform spinning solution;

[0038] (2), and then inject the spinning solution of step (1) into the syringe of the electrospinning equipment for spinning. The spinning temperature is 20°C, the relative humidity is 45%, the spinning voltage is 12kV, the distance from the spinning needle to the receiving plate is 25cm, the propulsion rate of the spinning solution is 0.8mL / h, and the drum speed of the receiving device is 100rpm / min. Obtain a carbon nanotube / TPU / lauric acid composite fiber film, and dry it under vacuum at 20°C for 24h;

[0039] (3), mix 0.1g sodium 4-dodecylbenzene sulfonate and 9g PEDOT:PSS aqueous solution, immerse the e...

Embodiment 3

[0042] The preparation method of the elastic phase change intelligent temperature regulating material based on electrospinning in this embodiment comprises the following steps:

[0043] (1), disperse 0.1g of carbon nanotubes in 8g of anhydrous DMF, sonicate for 2h, then add 2g of TPU and 2g of lauric acid, stir for 24h, and make it mix into a uniform spinning solution;

[0044] (2), and then inject the spinning solution of step (1) into the syringe of the electrospinning equipment for spinning. The spinning temperature is 20°C, the relative humidity is 45%, the spinning voltage is 12kV, the distance from the spinning needle to the receiving plate is 25cm, the propulsion rate of the spinning solution is 0.8mL / h, and the drum speed of the receiving device is 100rpm / min. Obtain a carbon nanotube / TPU / lauric acid composite fiber film, and dry it under vacuum at 20°C for 24h;

[0045] (3), mix 0.1g sodium 4-dodecylbenzene sulfonate and 9g PEDOT:PSS aqueous solution, immerse the ele...

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Abstract

The invention provides a high-thermal-conductivity phase change energy storage material based on electrostatic spinning and a preparation method thereof. The preparation method thereof comprises the steps of: preparation of thermoplastic polyurethane, a phase change material, and a nanocarbon mixing spinning solution; preparation of an elastic phase change energy storage electrostatic spinning membrane; and preparation of an elastic intelligent temperature adjusting material. The elastic intelligent temperature adjusting material is high in thermal conductivity and latent heat, good in electrical conductivity, and stable in shape and performance, can realize the function of electroresponse temperature adjustment, and has a wide application prospect in the fields of intelligent protective clothing and wearable electronic equipment.

Description

technical field [0001] The invention belongs to the field of elastic conductive temperature regulating fabric and its preparation. Background technique [0002] Smart textiles, capable of responding to various external stimuli, have emerged as emerging drivers for advanced flexible and wearable systems such as sensors, biomimetic implants, robotics, energy harvesting devices, temperature-regulating clothing, and heaters. However, current fabrics made from natural or semi-synthetic polymers are inherently electrically and thermally insulating, limiting their use in sensors and actuators made from conventional electronic hardware and hindering future Development of wearable electronics and smart protective clothing. Nano-carbon materials, such as carbon nanotubes and graphene, have good electrical and thermal conductivity, and are excellent electrical and thermal conductive structural units. The development of nanocomposite materials is currently attracting great interest. N...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D04H1/728D04H1/4382D04H1/4358C09K5/06D01F6/94D01F1/10D06M13/256D06M15/37D06M15/356D06M101/38
CPCC09K5/063D01F1/10D01F6/94D04H1/4358D04H1/4382D04H1/728D06M13/256D06M15/356D06M15/37D06M2101/38
Inventor 袁伟忠牛姿璇
Owner TONGJI UNIV