CN108538516A - A kind of stretchable spring-like conductor wire and preparation method thereof - Google Patents
A kind of stretchable spring-like conductor wire and preparation method thereof Download PDFInfo
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- CN108538516A CN108538516A CN201810328646.0A CN201810328646A CN108538516A CN 108538516 A CN108538516 A CN 108538516A CN 201810328646 A CN201810328646 A CN 201810328646A CN 108538516 A CN108538516 A CN 108538516A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
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Abstract
The invention belongs to conductor wire technical field, specially a kind of stretchable spring-like conductor wire and preparation method thereof.The present invention is by the way that polymer solution to be coated uniformly in template, then using this polymer as substrate, one layer of electrode active materials of top-down coating, size adjustable is finally prepared by stripping means, with good flexibility, tensility and spring-like conductor wire that is excellent and stablizing electric conductivity.The spring-like conductor wire that the present invention is obtained by template is easy to large-scale production since preparation process is simple, thus has a good application prospect.
Description
Technical field
The invention belongs to conductor wire technical fields, and in particular to a kind of stretchable spring-like conductor wire and preparation method thereof.
Background technology
Flexible extensible and wearable electronic device have become the development trend of modern electronics.They are in electronics skin
Skin, wearable display, Intelligent garment, the fields such as medical treatment sensing, which have, widely applies.And conductor wire is most basic as them
And important component part, simple there is an urgent need to develop a kind of preparation process, good conductivity, tensile property is excellent, stability
Strong conductor wire, to meet the needs of modern electronic technology development.In recent years, stretchable conductor wire achieves certain development,
They are substantially by graphene, and carbon nanotube, nano silver wire etc. is embedded in flexible substrates and is made, or passes through the means systems such as transfer
The standby wave structure etc. with fold, tensile property is poor, and with the growth of extensibility, and conductivity declines very fast.In addition,
Its preparation process is complex, is not easy to mass produce.
Invention content
The purpose of the present invention is to provide a kind of universalities, simple and easy to do and prepare potentiality with serialization and can be used for can
Stretchable spring-like conductor wire of wearable device and preparation method thereof.
Stretchable spring-like conductor wire provided by the invention is uniformly coated using template on the screw as template
Polymer is as substrate, then top-down coating electrode active materials on this basis.
The preparation method of stretchable spring-like conductor wire provided by the invention, is as follows：
（1）Prepare polymer solution：It takes suitable polymer that related solvents are added, obtains polymeric viscous solution；
（2）Prepare polymeric substrates：By step（1）One kind of prepared polymer mucus, is coated uniformly on screw, waits for molten
Liquid is put into 70-90 DEG C of baking oven dry 0.5-8 hours, subsequent room temperature cools down to obtain polymeric substrates after screw surface levelling；
（3）Prepare spring-like conductor wire：Step is coated uniformly on by electrode active materials are top-down（2）Acquired smooth gathers
Along screw thread direction active material is removed after cooling in 70-90 DEG C of oven drying 20-30 minutes in polymer substrates surface 1-3 times
The polymeric substrates for expecting attachment, obtain spring-like conductor wire.
In the present invention, the polymer is selected from one kind of polyurethane, dimethyl silicone polymer, polyvinyl alcohol, but is not limited to
This, as polyethylene terephthalate, polyethylene naphthalate can be applicable in.
In the present invention, the operating procedure for preparing polymer solution is：It is polyurethane for substrate, polyurethane takes pellet 3.5-
4.5 grams, 4-6 milliliters of n,N-Dimethylformamide are added, simultaneously stirring and dissolving 30-60 minutes are heated under 70-90 DEG C of oil bath, are gathered
The viscous solution of urethane；It is dimethyl silicone polymer for substrate, takes 8-10 grams of polydimethylsiloxane prepolymer object, 0.9- is added
1.2 grams of curing agent, obtain dimethyl silicone polymer mucus；It is polyvinyl alcohol to substrate, takes 1-2 grams of polyvinyl alcohol, 8-12 is added
Ml deionized water heats simultaneously stirring and dissolving 2-3 hours, obtains polyethylene under 70-90 DEG C of oil bath after room temperature is swollen 10-16 hours
The viscous solution of alcohol.
In the present invention, the electrode active materials are silver paste, but not limited to this, nano silver wire, carbon nanotube, graphene
It is applicable.
In the present invention, various suitable commercial screws can be selected in the screw as template.
Stretchable spring-like conductor wire prepared by above-mentioned preparation method only need to will be electric when for the work of conduct electrons device
Sub- device pin is simply plugged into conductor wire.
The stretchable spring-like conductor wire obtained by this method, have excellent electric conductivity, tensility can and persistently
Stability.First, electrical conductive activities realize adherency that is uniform, stablizing in polymeric substrate surface, and are easy to according to screw thread side
To being removed to obtain conductor wire, this method simple general-purpose is of low cost, has stronger universality and practicability.Secondly, lead to
The stretchable conductor wire for crossing template preparation, can select the screw of different dimensions to obtain the conduction of size adjustable as needed
Line.Finally, conductor wire electric conductivity obtained is excellent, and conductivity is up to 35000 S/cm, the conductivity under different stretch ratio
It is held essentially constant, amount of tension reaches as high as 1000%, and electric conductivity is not bright compared with original state after undergoing multi-drawing
Aobvious to decline, stability is strong, thus has a good application prospect many fields are for example wearable.
Description of the drawings
Fig. 1 is the pictorial diagram of stretchable spring-like conductor wire preparation method schematic diagram and conductor wire.Wherein, a is conductor wire
Preparation method schematic diagram, b be different size electroconductive lines pictorial diagram.
Fig. 2 is the electric conductivity test data of stretchable spring-like conductor wire.Wherein, a is conductivity and the stretching of conductor wire
The relation curve of ratio, b are the conductivity of conductor wire with the variation relation of drawing numbers.
Fig. 3 is the scanning electron microscope image of stretchable spring-like conductor wire.Wherein, a is the figure before conductor wire stretches
Picture, b are the image after conductor wire stretches 1000 times.
Fig. 4 is the optical photograph that stretchable spring-like conductor wire is connected to blue light diode under different stretch ratio.Wherein,
A is the non-stretched photo of conductor wire, and b is the photo that conductor wire is stretched to about 600%, and c is the photograph that conductor wire is stretched to about 900%
Piece.
Specific implementation mode
Embodiment 1
（1）Prepare polymer solution：It is taken as 4 grams of the polyurethane pellet for substrate, is added 5 milliliters of n,N-Dimethylformamide, 70
Heating and stirring and dissolving 40 minutes, obtain the viscous solution of polyurethane under DEG C oil bath；
（2）Prepare polymeric substrates：By step（1）The viscous solution of the polyurethane of preparation is coated uniformly on the spiral shell that screw pitch is 1 millimeter
On silk, after solution after screw surface levelling, it is put into the drying 8 hours of 80 DEG C of baking oven, subsequent room temperature cools down to obtain polymeric substrates；
（3）Prepare stretchable spring-like conductor wire：Step is coated uniformly on by conductive silver paste is top-down（2）It is acquired smooth
Polymeric substrate surface is primary, attached along screw thread direction stripping active material after cooling in 80 DEG C of oven dryings 20 minutes
The polymeric substrates obtain spring-like conductor wire.
Embodiment 2
（1）Prepare polymer solution：It is taken as 9 grams of the polydimethylsiloxane prepolymer object for substrate, 1 gram of curing agent is added, obtains
Dimethyl silicone polymer mucus；
（2）Prepare polymeric substrates：By step（1）It is 0.7 millimeter that prepared dimethyl silicone polymer, which is coated uniformly on screw pitch,
Screw on, after mucus after screw surface levelling, be put into 80 DEG C of baking oven and cure 30 minutes, subsequent room temperature cools down to obtain polymer
Substrate；
（3）Prepare stretchable spring-like conductor wire：Step is coated uniformly on by conductive silver paste is top-down（2）It is acquired smooth
Polymeric substrate surface is primary, attached along screw thread direction stripping active material after cooling in 80 DEG C of oven dryings 20 minutes
The polymeric substrates obtain spring-like conductor wire.
Embodiment 3
（1）Prepare polymer solution：It is taken as 1 gram of the polyvinyl alcohol for substrate, 10 ml deionized waters are added, room temperature swelling 12 is small
When after heating and stirring and dissolving 3 hours under 70 DEG C of oil baths, obtain the viscous solution of polyvinyl alcohol；
（2）Prepare polymeric substrates：By step（1）It is 2 millimeters that the viscous solution of prepared polyvinyl alcohol, which is coated uniformly on screw pitch,
Screw on, after solution after screw surface levelling, be put into the drying 30 minutes of 80 DEG C of baking oven, subsequent room temperature cools down to obtain polymer
Substrate；
（3）Prepare stretchable spring-like conductor wire：Step is coated uniformly on by conductive silver paste is top-down（2）It is acquired smooth
Polymeric substrate surface is primary, attached along screw thread direction stripping active material after cooling in 80 DEG C of oven dryings 20 minutes
The polymeric substrates obtain spring-like conductor wire.
Claims (5)
1. a kind of preparation method of stretchable spring-like conductor wire, which is characterized in that be as follows：
（1）Prepare polymer solution：It takes suitable polymer that related solvents are added, obtains polymeric viscous solution；
（2）Prepare polymeric substrates：By step（1）One kind of prepared polymer mucus, is coated uniformly on screw, waits for molten
Liquid is put into 70-90 DEG C of baking oven dry 0.5-8 hours, subsequent room temperature cools down to obtain polymeric substrates after screw surface levelling；
（3）Prepare spring-like conductor wire：Step is coated uniformly on by electrode active materials are top-down（2）Acquired smooth gathers
Along screw thread direction active material is removed after cooling in 70-90 DEG C of oven drying 20-30 minutes in polymer substrates surface 1-3 times
The polymeric substrates for expecting attachment, obtain spring-like conductor wire.
2. preparation method according to claim 1, which is characterized in that the polymer is selected from polyurethane, poly dimethyl silicon
One kind of oxygen alkane, polyvinyl alcohol, polyethylene terephthalate, polyethylene naphthalate.
3. preparation method according to claim 2, which is characterized in that step（1）The middle operation step for preparing polymer solution
Suddenly it is：It is polyurethane for substrate, polyurethane takes 3.5-4.5 grams of pellet, and 4-6 milliliters of n,N-Dimethylformamide, 70-90 is added
Heating and stirring and dissolving 30-60 minutes, obtain the viscous solution of polyurethane under DEG C oil bath；It is dimethyl silicone polymer for substrate,
8-10 grams of polydimethylsiloxane prepolymer object is taken, 0.9-1.2 grams of curing agent is added, obtains dimethyl silicone polymer mucus；To base
Bottom is polyvinyl alcohol, 70-90 DEG C after taking 1-2 grams of polyvinyl alcohol, addition 8-12 ml deionized waters, room temperature to be swollen 10-16 hours
Simultaneously stirring and dissolving 2-3 hours are heated under oil bath, obtain the viscous solution of polyvinyl alcohol.
4. preparation method according to claim 2, which is characterized in that step（3）Described in electrode active materials be silver
Slurry, nano silver wire, carbon nanotube, one kind of graphene.
5. a kind of stretchable spring-like conductor wire obtained by one of claim 1-4 preparation methods.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810328646.0A CN108538516B (en) | 2018-04-13 | 2018-04-13 | A kind of stretchable spring like conductor wire and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810328646.0A CN108538516B (en) | 2018-04-13 | 2018-04-13 | A kind of stretchable spring like conductor wire and preparation method thereof |
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| CN108538516A true CN108538516A (en) | 2018-09-14 |
| CN108538516B CN108538516B (en) | 2019-10-15 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202005003392U1 (en) * | 2005-03-03 | 2006-07-20 | Leoni Kabel Holding Gmbh & Co. Kg | Flexible multicore electrical cable has planar zig-zag profile that allows extension in such as a telescope and has a restoring force |
| CN102024526A (en) * | 2010-10-15 | 2011-04-20 | 镇江市华银仪表电器有限公司 | Method for processing novel environmental-protection spiral cable with high elasticity |
| CN103627255A (en) * | 2013-05-06 | 2014-03-12 | 苏州冷石纳米材料科技有限公司 | Nano-silver conductive ink and conductive film prepared by employing same |
| CN104538088A (en) * | 2014-12-30 | 2015-04-22 | 江南石墨烯研究院 | Constructing and preparation scheme of conductive elastic composite material |
-
2018
- 2018-04-13 CN CN201810328646.0A patent/CN108538516B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202005003392U1 (en) * | 2005-03-03 | 2006-07-20 | Leoni Kabel Holding Gmbh & Co. Kg | Flexible multicore electrical cable has planar zig-zag profile that allows extension in such as a telescope and has a restoring force |
| CN102024526A (en) * | 2010-10-15 | 2011-04-20 | 镇江市华银仪表电器有限公司 | Method for processing novel environmental-protection spiral cable with high elasticity |
| CN103627255A (en) * | 2013-05-06 | 2014-03-12 | 苏州冷石纳米材料科技有限公司 | Nano-silver conductive ink and conductive film prepared by employing same |
| CN104538088A (en) * | 2014-12-30 | 2015-04-22 | 江南石墨烯研究院 | Constructing and preparation scheme of conductive elastic composite material |
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