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Underwater damage self-alarming and self-repairing material as well as preparation method and application thereof

A self-healing material and water-reactive technology, applied in the field of polymers, can solve problems such as impracticability and damage self-alarm, and achieve excellent electrical conductivity and excellent sensing performance

Pending Publication Date: 2022-08-05
山东圳谷新材料科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, adding a release color indicator cannot realize the damage self-alarm of the material under dark conditions

Method used

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  • Underwater damage self-alarming and self-repairing material as well as preparation method and application thereof
  • Underwater damage self-alarming and self-repairing material as well as preparation method and application thereof
  • Underwater damage self-alarming and self-repairing material as well as preparation method and application thereof

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preparation example Construction

[0045] In a second aspect, the present invention provides a method for preparing the self-alarming and self-repairing material for underwater damage, comprising the following steps:

[0046] A layer is prepared by mixing a substance that can react with water to generate hydrogen peroxide, a fluorine-containing polymer, an ionic liquid and an organic solvent;

[0047] Mixing peroxyoxalate, dye, fluorine-containing polymer, ionic liquid and organic solvent uniformly, drying after rotary evaporation, and hot pressing to form a film to prepare layer B;

[0048] Superimpose layer A and layer B;

[0049] The material prepared by mixing and coupling the fluoropolymer and the ionic liquid wraps the superimposed layer of the A layer and the B layer to form a hydrophobic protective layer.

[0050] In a third aspect, the present invention provides that the underwater damage self-alarming and self-healing material has potential applications in the fields of ionic skin and strain sensor p...

Embodiment 1

[0067] Preparation method of film A: Dissolve P(VDF-HFP) (10g) and EMITFSI (8g) in acetone at room temperature to obtain a homogeneous solution and then add CaO 2 (2g). Rotary steaming, drying, and compression molding to obtain A film.

[0068] Preparation method of B film: P(VDF-HFP) (10g) and EMITFSI (8g) were dissolved in acetone at room temperature to obtain a homogeneous solution, and then DNPO (2g) and DPA (0.003g) were added. Rotary steaming, drying, and compression molding to obtain B film.

[0069] Preparation method of hydrophobic transparent film: P(VDF-HFP) (10 g) and EMITFSI (8 g) were dissolved in acetone at room temperature to obtain a homogeneous solution. Then, rotary steam, drying, and compression molding are performed to obtain a hydrophobic transparent film.

[0070] The A film and the B film are first assembled into a whole, and then tightly wrapped with a hydrophobic transparent film to obtain the final material, whose structure is as follows: figure ...

Embodiment 2

[0074] Preparation method of film A: Dissolve P(VDF-HFP) (10g) and EMITFSI (5g) in acetone at room temperature to obtain a homogeneous solution and then add CaO 2 (2g). Rotary steaming, drying, and compression molding to obtain A film.

[0075] Preparation method of film B: P(VDF-HFP) (10g) and EMITFSI (5g) were dissolved in acetone at room temperature to obtain a homogeneous solution, and then DNPO (3g) and BPEA (0.001g) were added. Rotary steaming, drying, and compression molding to obtain B film.

[0076] Preparation method of hydrophobic transparent film: P(VDF-HFP) (10 g) and EMITFSI (5 g) were dissolved in acetone at room temperature to obtain a homogeneous solution. Then, rotary steam, drying, and compression molding are performed to obtain a hydrophobic transparent film.

[0077] The A film and the B film are first assembled into a whole, and then tightly wrapped with a hydrophobic transparent film to obtain the final material.

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Abstract

The invention discloses an underwater damage self-alarming and self-repairing material and a preparation method and application thereof, the underwater damage self-alarming and self-repairing material comprises a core layer and a hydrophobic protection layer, and the hydrophobic protection layer wraps the core layer; the core layer comprises a layer A and a layer B which are stacked, and the layer A comprises ionic liquid, a fluorine-containing polymer and a substance capable of reacting with water to generate hydrogen peroxide which are mixed with one another; the layer B comprises peroxyoxalate ester, dye, fluorine-containing polymer and ionic liquid which are mixed with one another; the hydrophobic protection layer is a film formed by coupling a fluorine-containing polymer and ionic liquid; the fluorine-containing polymer can be coupled with the ionic liquid, and the dye is a chemiluminescent dye. After the material is damaged, spontaneous alarm after damage can be realized through chemiluminescence adjusted by cascade reaction. In addition, due to the introduction of the ionic liquid, the material can be endowed with underwater self-healing capability, excellent conductivity and sensing performance.

Description

technical field [0001] The invention belongs to the field of polymers, and particularly relates to an underwater damage self-alarming and self-repairing material and a preparation method and application thereof. Background technique [0002] The statements herein merely provide background related to the present invention and do not necessarily constitute prior art. [0003] Although some existing synthetic materials have a certain self-healing function, in the self-healing system, most of the damaged surfaces need to be brought into contact to repair them, which requires people to be able to find the damage location in time. Therefore, it is also very important to study the self-alarm performance of materials after damage. [0004] There are two commonly used methods for self-alarming of damage, one is to release a color indicator, and the other is to add fluorescent probes to the material. However, the addition of a release color indicator could not achieve self-alarming ...

Claims

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Application Information

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IPC IPC(8): C08L27/16C08K5/44C08K5/3445C08J5/18B32B27/30B32B27/06B32B27/18B32B3/04
CPCC08J5/18B32B27/304B32B27/08B32B27/18B32B3/04C08J2327/16C08K5/44C08K5/3445C08K2201/001B32B2250/246B32B2307/202B32B2307/73Y02P20/54
Inventor 王旭贾良莹
Owner 山东圳谷新材料科技有限公司
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