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Preparation method of fiber capacitor

A technology of capacitors and fibers, which is applied in the field of smart wearables, can solve the problems of textiles that cannot be stretched, fail to meet the requirements of reliability, and lack elasticity, etc., and achieve good insulation performance, low cost, and small diameter.

Active Publication Date: 2019-04-19
嘉兴极展科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] There are many forms of capacitors in existing smart textiles. Although traditional ceramic capacitors, mica capacitors, glass film capacitors, and polyester capacitors can provide capacitance for wearable electronic devices, they are poor in comfort and do not have good elasticity. Textiles with high stretching requirements are easy to fall off after being rubbed, and the reliability does not meet the requirements

Method used

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  • Preparation method of fiber capacitor
  • Preparation method of fiber capacitor
  • Preparation method of fiber capacitor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Realize the preparation method of the fiber capacitor of this embodiment according to the following steps:

[0038] (1) A polyolefin filament with a diameter of 50um planted with a carbon nanotube conductive layer is straightened with a stretching effect of 1 times the length, that is, the original length;

[0039] (2) The straight polyolefin wire with carbon nanotube conductive layer and an unstretched straightened 30um ultra-fine copper wire are arranged side by side in a line-by-side space position relationship, and the gap between them is 5um;

[0040] (3) Pass the side-by-side polyolefin wires and ultra-fine copper wires through a container containing a solvent-based insulating adhesive at a constant speed, so that the adhesive is evenly attached and coated on the wires, and its length is always kept unchanged;

[0041] (4) After the adhesive is completely cured, the fiber capacitor is prepared.

[0042] Among them, the spatial structure of the high elastic conduct...

Embodiment 2

[0046] (1) A polyolefin filament with a diameter of 50um that is planted with a carbon nanotube conductive layer is stretched and tensioned with a stretching effect of 3 times the length;

[0047] (2) Arrange the stretched and tensioned polyolefin filaments and one unstretched, straightened 30um ultra-fine copper wire in a spaced relationship, with a gap of 5um between them;

[0048] (3) Pass the polyolefin wire and ultra-fine copper wire obtained in step (2) through a container containing a solvent-based insulating adhesive at a constant speed, so that the adhesive is evenly attached to the wire, and its length is always kept unchanged ;

[0049] (4) After the adhesive is completely cured, the tension of the polyolefin filaments is gradually removed, and the bonded filaments are retracted slowly at a uniform speed, gradually decreasing until the pre-applied stretching tension is eliminated, and a fiber capacitor is prepared.

[0050] Figure 4 It is a schematic diagram of t...

Embodiment 3

[0052] The number of polyolefin wires with carbon nanotube conductive layer is 2, and the spatial positions of the 2 polyolefin wires and the ultra-fine copper wires are arranged side by side in a straight line, and the stretching effect of the polyolefin wires is 5 times the length. Stretching, other implementation methods are the same as in Example 2 to prepare a fiber capacitor.

[0053] Figure 5 Schematic diagram of the structure of the fiber capacitor made in this example, the ultra-fine copper wire is sandwiched by two polyolefin conductive wires, the increase in the number of polyolefin wires improves the retraction force, compared to the pitch of the fiber capacitor in Example 2 smaller and more elastic.

[0054] Figure 6 For the relationship curve between the change of the elastic recovery rate of the fiber capacitor obtained in this embodiment and the number of stretches, the composite fiber capacitor was repeatedly stretched 1000 times under the stretch of a con...

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Abstract

The invention discloses a preparation method of a fiber capacitor. A plurality of high-elasticity conductive continuous filaments and a plurality of low-elasticity conductive continuous filaments areused as two electrode materials of the fiber capacitor respectively; The preparation method comprises the following steps: pre-stretching a plurality of high-elasticity conductive continuous filaments, and arranging the pre-stretched high-elasticity conductive continuous filaments and the straightened low-elasticity conductive continuous filaments in a certain space structure; and finally, rapidlycoating the two conductive continuous filaments through an insulating adhesive, bonding and fixing the two conductive continuous filaments, rapidly curing the insulating adhesive, and filling the insulating adhesive between the two conductive continuous filaments to form a good dielectric layer. And after the insulating adhesive is rapidly cured, segmented rotation induction and segmented removalof the tension of the high-elasticity conductive continuous filaments are carried out, so that the fiber capacitor can be rapidly prepared. The method disclosed by the invention can be used for rapidly preparing the two-dimensional or three-dimensional multi-rotation-direction unique spiral or three-dimensional structure fiber capacitor with excellent elasticity, washability and capacitance stability.

Description

technical field [0001] The invention relates to a method for preparing a fiber capacitor, in particular to a method for preparing a fiber capacitor with excellent elasticity, washability and capacitance stability, and belongs to the technical field of smart wear. Background technique [0002] In recent years, smart textiles have developed rapidly, and smart wear has become a hot spot in the development of the technology industry. Fiber capacitors, as an important material for manufacturing electronic smart textiles, are in the ascendant. In practical applications, especially in wearable electronic devices, fiber capacitors need to meet the requirements of miniaturization, good elasticity, stable capacitance, and water resistance, which are related to the comfort, stability, and reliability of wearable electronic devices. [0003] There are many forms of capacitors for smart textiles. Although traditional ceramic capacitors, mica capacitors, glass film capacitors, and polyest...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G4/00H01G4/005H01G4/008H01G4/06H01G4/224
CPCH01G4/00H01G4/005H01G4/008H01G4/06H01G4/224
Inventor 宋泽铭巫莹柱杨子航
Owner 嘉兴极展科技有限公司