CN103046157A - Carbon nano tube/polyurethane/polypropylene conductive fiber and preparation method thereof - Google Patents
Carbon nano tube/polyurethane/polypropylene conductive fiber and preparation method thereof Download PDFInfo
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- CN103046157A CN103046157A CN2012105640306A CN201210564030A CN103046157A CN 103046157 A CN103046157 A CN 103046157A CN 2012105640306 A CN2012105640306 A CN 2012105640306A CN 201210564030 A CN201210564030 A CN 201210564030A CN 103046157 A CN103046157 A CN 103046157A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/94—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of other polycondensation products
Abstract
The invention discloses a carbon nano tube/polyurethane/polypropylene conductive fiber, which consists of the following components by mass percent: 1-10% of carbon nano tube, 9-40% of polyurethane and 50-90% of polypropylene. The carbon nano tube/polyurethane/polypropylene conductive fiber is prepared by a conventional melt spinning process; the polyurethane and the polypropylene are incompatible high polymers, so that the polyurethane forms an in-situ microfiber in a polypropylene matrix under the action of continuous shearing, stretching and the like in the spinning process; the carboxyl on the surface of the carbon nano tube obtained by acidizing forms hydrogen bonds with the polyurethane, and the hydrogen bonds are selectively dispersed in the polyurethane microfibers, therefore, carbon nano tube/polyurethane microfibers form a continuous net-chain microfiber conductive channel in the polypropylene matrix to obtain the carbon nano tube/polyurethane/polypropylene conductive fiber.
Description
Technical field
The invention belongs to composite fibre and preparation field thereof, particularly a kind of carbon nano-tube/poly ammonia ester/polypropylene composite materials fiber and preparation method thereof.
Background technology
Chemical fibre with the incomparable premium properties of its many natural fabrics, has obtained developing rapidly since coming out, and market constantly enlarges.But simultaneously, in production and use procedure, also exposed an important common feature of they existence, be exactly that hygroscopicity is poor, in use easily produce static and bring harm to industrial production and people's lives thus, this is so that more and more paid close attention to by people the research of the electric conductivity of synthetic fiber.
The preparation method of conductive fiber has many kinds, and along with deepening continuously of research, according to the final performance and the preparation technology that make fiber, people have progressively eliminated some preparation methods that fall behind.At present, the method that is prepared into conductive fiber mainly contains three kinds; The one, make fiber surface form the coat of metal at textile surfaces such as fibers with physics or chemical method, this method be difficult to carry out textile process, and investment of production equipment is large because the coat of metal that forms often makes the feel of fiber become thick and stiff, efficient is low, and production cost is high; The 2nd, form semiconductor lamella with chemical method at fiber surface, chemical method technique is simpler, and little on the physical and mechanical properties impact of fiber, electric conductivity is better, but the conduction durability is relatively poor; The 3rd, electrically conductive particles is sneaked in the spinning melt; make the conductive fiber of skin-core structure or island structure by composite spinning, the Conductivity of Fiber electrical endurance that makes in this way is good, and less because adding conducting particles; do not damage the physical property of fiber, thereby be subject to extensive concern.But the processing cost of this conductive fiber is higher, and technique is also complicated, this has limited the production of conductive fiber to a certain extent, also limited popularizing of using, therefore conductive fiber is mainly used in high-tech area at present, and is applied to civilian of less types.
Along with the raising of people's living standard with to the enhancing of self healthy protect consciousness, promoting the use of of civilian conductive fiber must become trend, thus the processing of conductive fiber should to technique simply, future development cheaply.For taking conductive fabric, under the prerequisite of giving the fabric electric conductivity, also further Optimization Technology to keep original style of textiles, such as color and luster, feel, drapability etc., is taken requirement to meet.The exploitation of the development of nanometer technology and series function nano material and market turn to the multi-functional textiles of development and have brought opportunity.The plane that is similar to graphite that CNT (CNTs) is comprised of the carbon hexatomic ring is by the curling nanoscale tubular structure that forms of certain way.CNT can be divided into again Single Walled Carbon Nanotube (SWNTs) and multi-walled carbon nano-tubes (MWNTs) two large classes.The obvious quantum effect that CNT (CNTs) occurs under nano-scale, so CNT has unique texture and mechanics, electricity and chemical property.The accurate one dimension tracheary element structure of CNT uniqueness has caused physics, chemistry, material science and nanosecond science and technology field scholar's interest.
With CNT as the more existing reports of the research of the various CNTs of filler/high polymer conductive fiber.Patent 200410033773.6 is mixed polyester, CNT and coupling agent, through extruding and spinning process is prepared into conductive fiber.Patent CN101250770A utilizes the wet spinning technology, uses CNT that the acrylic as-spun fibre that still is in gel state is carried out quick modification, obtains antistatic acrylic fiber.Patent CN101864015A in ionic liquid, then adds carbon nanotube dispersed wherein polymerization with monomer, initator and obtains Polypropylene/Carbon Nanotube Composites stoste, adopts wet spinning or dry-jet wet spinning process to prepare polypropylene/carbon nano tube composite fibre.Patent CN1569939A at first with carbon nanotube dispersed in water, then carbon nano-tube aqueous solutions is mixed with thermoplastic polymer, dry, granulation, be spun at last conductive fiber.
A present trend is to reduce the content of conductive filler in the conduction high polymer with the multi-phase polymer co-mixing system, be separated and the inorganic conductive material of superpolymer blend optionally be distributed to a certain mutually in, can in the lower situation of conductive agent consumption, obtain the composite of high conductivity, can provide reasonable processing characteristics on the other hand, and effectively weaken the impact that increases the mechanical performance decline that causes owing to filer content.Superpolymer blend be separated and distribution and the arrangement mode of inorganic conductive material control conducting particles in system is to obtain high-performance, the important channel of conductive fiber cheaply, also be the development trend of conductive polymer composite.This patent proposes to utilize configuration control method in the blend polymer spinning process, makes the decentralized photo original position become fento, and controls the conducting particles selective distribution in in-situ micro-fibril, thereby the acquisition of simple and effective is low-cost, high performance conductive fiber.
Summary of the invention
The preparation method who the purpose of this invention is to provide a kind of carbon nano-tube/poly ammonia ester/polypropylene conductive fiber.
Conductive fiber provided by the invention is to be comprised of CNT, polyurethane and polypropylene, and the mass percent that CNT accounts for composite fibre is 1%～10%, and polyurethane accounts for 9%～40%, and polypropylene accounts for 50%～90%.
The method of carbon nano-tube/poly ammonia ester of the present invention/polypropylene conductive fiber may further comprise the steps:
(1) with CNT in the strong acid solution of mass fraction 70%～98% backflow 0.5-1.5 hour, dilute with deionized water, filter, and repeatedly wash with deionized water, the gained black solid is placed on is dried to constant weight in the vacuum drying oven, obtain carbon nanotube functionalized with carboxylic acid group;
(2) carboxylic carbon nano-tube, polyurethane and polypropylene are put in the high-speed mixer, the control mixing temperature mixes at 100 ℃～120 ℃; At double screw extruder or single screw extrusion machine, in 170 ℃～230 ℃ melt blendings and the granulation of system band, obtain carbon nano-tube/poly ammonia ester/polypropylene conductive section;
(3) will conduct electricity section carries out spinning with melt spinning method, obtains the nascent conductive fiber of carbon nano-tube/poly ammonia ester/polypropylene, and 190 ℃～240 ℃ of spinning temperatures, spinning speed are 200m/min～1000 m/min;
(4) will come into being conductive fiber through 70 ℃～120 ℃ hot drawing-offs, drafting multiple is 1.5～5 times, obtains carbon nano-tube/poly ammonia ester/polypropylene conductive fiber.
CNT used in the present invention is at least a in single armed CNT, the multi-arm carbon nano-tube.
Strong acid of the present invention is at least a in nitric acid, the sulfuric acid.
Described polypropylene is that conventional weaving is cut into slices with polypropylene fibre.
Described polyurethane is the section of fibre-grade polyurethane.
The invention has the beneficial effects as follows: the present invention adopts conventional melt spinning technology to prepare carbon nano-tube/poly ammonia ester/polypropylene conductive fiber, polyurethane and polypropylene are incompatible high polymer, owing to be subject to the effects such as shearing that continuous phase applies, stretching, polyurethane forms in-situ micro-fibril in polypropylene matrix in spinning process; The carboxyl of the acidified processing of CNT rear surface and polyurethane form hydrogen bond, so it optionally is dispersed in the polyurethane fento; So that carbon nano-tube/poly ammonia ester fento forms continuous net chain fento conductive channel in polypropylene matrix, obtain conductive fiber like this.
This fiber not only has conduction or antistatic behaviour, and owing to polymer flow cognition in the spinning process makes the polyurethane fento along the fiber axial orientation, thereby play the effect that fento strengthens, can greatly improve the strength and modulus of synthetic fiber.The method need not to change production line and the equipment of original polypropylene fibre, and technical process is easy, produces flexibly.The fiber of producing not only has higher electrical conductivity, and has the characteristics such as intensity height, good hand touch, can satisfy the requirement of the later process such as weaving fully.The conductive fiber that obtains with above-mentioned material and preparation method has good electric conductivity, except can be used as semiconductor devices, electromagnetic shielding material and antistatic material, can also absorb radar, infrared ray, ultraviolet ray etc., is applied to many special dimensions.
The specific embodiment
Embodiment 1
Multi-walled carbon nano-tubes is put into the single port flask, add 70% red fuming nitric acid (RFNA) under the vigorous stirring, put into and take out after 140 ℃ of constant temperature oil baths refluxed 1 hour, dilute with deionized water, filter, and repeatedly wash with deionized water, the gained black solid is placed in the vacuum drying oven in 50 ℃ is dried to constant weight at last, obtain carbon nanotube functionalized with carboxylic acid group;
Get 20g carbon nanotube functionalized with carboxylic acid group, the section of 380g polyurethane and 600g polypropylene chip and mix, put in the high-speed mixer, the control mixing temperature mixes rear in double screw extruder melt blending and the granulation of system band at 110 ℃.It is as follows that double screw extruder is respectively distinguished temperature:
| Subregion | One district | Two districts | Three districts | Four districts | Five districts |
| Temperature (℃) | 190 | 200 | 205 | 210 | 220 |
Compound slice is carried out spinning, drawing-off according to conventional melt spinning method, and 230 ℃ of spinning temperatures, spinning speed are 800 m/min, and 100 ℃ of hot drawing-offs, drafting multiple is 3 times.The mass fraction of this fibrous carbon nanotube is 2%, and the mass fraction of polyurethane is 38%, and polyacrylic mass fraction is 60%.The electrical conductivity of fiber is 10
-9S/cm, intensity is 2.85 cN/dtex.
Embodiment 2
Multi-walled carbon nano-tubes is put into the single port flask, add nitration mixture (volume ratio of 70% concentrated sulfuric acid and 98% red fuming nitric acid (RFNA) is 3:1) under the vigorous stirring, put into and take out after 120 ℃ of constant temperature oil baths refluxed 1 hour, dilute with deionized water, filter, and repeatedly wash with deionized water, the gained black solid is placed in the vacuum drying oven in 50 ℃ is dried to constant weight at last, obtain carbon nanotube functionalized with carboxylic acid group;
Get 30g carbon nanotube functionalized with carboxylic acid group, the section of 300g polyurethane and 670g polypropylene chip and mix, put in the high-speed mixer, the control mixing temperature mixes rear in double screw extruder melt blending and the granulation of system band at 110 ℃.It is as follows that double screw extruder is respectively distinguished temperature:
| Subregion | One district | Two districts | Three districts | Four districts | Five districts |
| Temperature (℃) | 170 | 200 | 205 | 210 | 220 |
Compound slice is carried out spinning, drawing-off according to conventional melt spinning method, and 225 ℃ of spinning temperatures, spinning speed are 600 m/min, and 100 ℃ of hot drawing-offs, drafting multiple is 4 times.The mass fraction of this fibrous carbon nanotube is 3%, and the mass fraction of polyurethane is 30%, and polyacrylic mass fraction is 67%.The electrical conductivity of fiber is 10
-6S/cm, intensity is 3.15 cN/dtex.
Embodiment 3
Multi-walled carbon nano-tubes is put into the single port flask, add nitration mixture (volume ratio of 70% concentrated sulfuric acid and 98% red fuming nitric acid (RFNA) is 3:1) under the vigorous stirring, put into and take out after 120 ℃ of constant temperature oil baths refluxed 1 hour, dilute with deionized water, filter, and repeatedly wash with deionized water, the gained black solid is placed in the vacuum drying oven in 50 ℃ is dried to constant weight at last, obtain carbon nanotube functionalized with carboxylic acid group;
Get 50g carbon nanotube functionalized with carboxylic acid group, the section of 300g polyurethane and 650g polypropylene chip and mix, put in the high-speed mixer, the control mixing temperature mixes rear in double screw extruder melt blending and the granulation of system band at 120 ℃.It is as follows that double screw extruder is respectively distinguished temperature:
| Subregion | One district | Two districts | Three districts | Four districts | Five districts |
| Temperature (℃) | 190 | 210 | 215 | 215 | 225 |
Compound slice is carried out spinning, drawing-off according to conventional melt spinning method, and 235 ℃ of spinning temperatures, spinning speed are 500 m/min, and 100 ℃ of hot drawing-offs, drafting multiple is 4 times.The mass fraction of this fibrous carbon nanotube is 5%, and the mass fraction of polyurethane is 30%, and polyacrylic mass fraction is 65%.The electrical conductivity of fiber is 10
-3S/cm, intensity is 3.26 cN/dtex.
Embodiment 4
The single armed wall carbon nano tube is put into the single port flask, add 98% concentrated sulfuric acid under the vigorous stirring, put into and take out after 120 ℃ of constant temperature oil baths refluxed 1.5 hours, dilute with deionized water, filter, and repeatedly wash with deionized water, in vacuum drying oven, be dried to constant weight, obtain carboxylated single armed CNT;
Get the carboxylated single armed CNT of 80g, the section of 320g polyurethane and 600g polypropylene chip and mix, put in the high-speed mixer, the control mixing temperature mixes rear in double screw extruder melt blending and the granulation of system band at 110 ℃.It is as follows that double screw extruder is respectively distinguished temperature:
| Subregion | One district | Two districts | Three districts | Four districts | Five districts |
| Temperature (℃) | 180 | 210 | 215 | 220 | 230 |
Compound slice is carried out spinning, drawing-off according to conventional melt spinning method, and 240 ℃ of spinning temperatures, spinning speed are 500 m/min, and 110 ℃ of hot drawing-offs, drafting multiple is 3.5 times.The mass fraction of this fibrous carbon nanotube is 8%, and the mass fraction of polyurethane is 32%, and the mass fraction of polyurethane is 60%.The electrical conductivity of fiber is 10
-2S/cm, intensity is 2.85 cN/dtex.
Embodiment 5
Multi-walled carbon nano-tubes is put into the single port flask, add nitration mixture (volume ratio of 70% concentrated sulfuric acid and 98% red fuming nitric acid (RFNA) is 3:1) under the vigorous stirring, put into and take out after 120 ℃ of constant temperature oil baths refluxed 1 hour, dilute with deionized water, filter, and repeatedly wash with deionized water, the gained black solid is placed in the vacuum drying oven in 50 ℃ is dried to constant weight at last, obtain carbon nanotube functionalized with carboxylic acid group;
Get 55g carbon nanotube functionalized with carboxylic acid group, the section of 400g polyurethane and 545g polypropylene chip and mix, put in the high-speed mixer, the control mixing temperature mixes rear in double screw extruder melt blending and the granulation of system band at 100 ℃.It is as follows that double screw extruder is respectively distinguished temperature:
| Subregion | One district | Two districts | Three districts | Four districts | Five districts |
| Temperature (℃) | 170 | 200 | 205 | 215 | 225 |
Compound slice is carried out spinning, drawing-off according to conventional melt spinning method, and 225 ℃ of spinning temperatures, spinning speed are 300 m/min, and 100 ℃ of hot drawing-offs, drafting multiple is 4 times.The mass fraction of this fibrous carbon nanotube is 5.5%, and the mass fraction of polyurethane is 40%, and polyacrylic mass fraction is 54.5%.The electrical conductivity of fiber is 10
-4S/cm, intensity is 2.94 cN/dtex.
Embodiment 6
Multi-walled carbon nano-tubes is put into the single port flask, add 70% red fuming nitric acid (RFNA) under the vigorous stirring, put into and take out after 120 ℃ of constant temperature oil baths refluxed 1 hour, dilute with deionized water, filter, and repeatedly wash with deionized water, the gained black solid is placed in the vacuum drying oven in 50 ℃ is dried to constant weight at last, obtain carbon nanotube functionalized with carboxylic acid group;
Get 20g carbon nanotube functionalized with carboxylic acid group, the section of 380g polyurethane and 600g polypropylene chip and mix, put in the high-speed mixer, the control mixing temperature mixes rear in double screw extruder melt blending and the granulation of system band at 110 ℃.It is as follows that double screw extruder is respectively distinguished temperature:
| Subregion | One district | Two districts | Three districts | Four districts | Five districts |
| Temperature (℃) | 190 | 200 | 205 | 210 | 220 |
Compound slice is carried out spinning, drawing-off according to conventional melt spinning method, and 230 ℃ of spinning temperatures, spinning speed are 800 m/min, and 100 ℃ of hot drawing-offs, drafting multiple is 3 times.The mass fraction of this fibrous carbon nanotube is 2%, and the mass fraction of polyurethane is 38%, and polyacrylic mass fraction is 60%.The electrical conductivity of fiber is 10
-9S/cm, intensity is 3.85 cN/dtex.
Embodiment 7
Multi-walled carbon nano-tubes is put into the single port flask, add 70% red fuming nitric acid (RFNA) under the vigorous stirring, put into and take out after 120 ℃ of constant temperature oil baths refluxed 1 hour, dilute with deionized water, filter, and repeatedly wash with deionized water, the gained black solid is placed in the vacuum drying oven in 50 ℃ is dried to constant weight at last, obtain carbon nanotube functionalized with carboxylic acid group;
Get 90g carbon nanotube functionalized with carboxylic acid group, the section of 400g polyurethane and 510g polypropylene chip and mix, put in the high-speed mixer, the control mixing temperature mixes rear in double screw extruder melt blending and the granulation of system band at 110 ℃.It is as follows that double screw extruder is respectively distinguished temperature:
| Subregion | One district | Two districts | Three districts | Four districts | Five districts |
| Temperature (℃) | 190 | 200 | 215 | 220 | 230 |
Compound slice is carried out spinning, drawing-off according to conventional melt spinning method, and 230 ℃ of spinning temperatures, spinning speed are 300 m/min, and 100 ℃ of hot drawing-offs, drafting multiple is 3 times.The mass fraction of this fibrous carbon nanotube is 9%, and the mass fraction of polyurethane is 40%, and polyacrylic mass fraction is 51%.The electrical conductivity of fiber is 10
-3S/cm, intensity is 2.74 cN/dtex.
In above-described embodiment, polypropylene chip is available from petrochemical industry, the trade mark: 71735, melt index be 30～40g/10min (230 ℃, 2.16Kg).The single armed CNT is available from the nanometer port, diameter＜2nm, length 5～15 μ m, specific area 500～700 m
2/ g.Multi-arm carbon nano-tube is available from the nanometer port, diameter＜10nm, length 5～15 μ m, specific area 250～300 m
2/ g.The polyurethane section is space elastomer Co., Ltd for fibre-grade available from Tianjin.
Claims (4)
1. carbon nano-tube/poly ammonia ester/polypropylene conductive fiber, it is characterized in that: described conductive fiber is comprised of CNT, polyurethane, polypropylene, the mass percent of CNT is 1%～10%, the mass percent of polyurethane is 9%～40%, and polyacrylic mass percent is 50%～90%.
2. carbon nano-tube/poly ammonia ester according to claim 1/polypropylene conductive fiber is characterized in that: described CNT is at least a in single armed CNT, the multi-arm carbon nano-tube.
3. the preparation method of carbon nano-tube/poly ammonia ester as claimed in claim 1 or 2/polypropylene conductive fiber is characterized in that its step is as follows:
(1) with CNT in the strong acid solution of mass fraction 70%～98% backflow 0.5-1.5 hour, dilute with deionized water, filter, and repeatedly wash with deionized water, the gained black solid is placed on is dried to constant weight in the vacuum drying oven, obtain carbon nanotube functionalized with carboxylic acid group;
(2) carboxylic carbon nano-tube, polyurethane and polypropylene are put in the high-speed mixer, the control mixing temperature mixes at 100 ℃～120 ℃; At double screw extruder or single screw extrusion machine, in 170 ℃～230 ℃ melt blendings and the granulation of system band, obtain carbon nano-tube/poly ammonia ester/polypropylene conductive section;
(3) will conduct electricity section carries out spinning with melt spinning method, obtains the nascent conductive fiber of carbon nano-tube/poly ammonia ester/polypropylene, and 190 ℃～240 ℃ of spinning temperatures, spinning speed are 200m/min～1000 m/min;
(4) will come into being conductive fiber through 70 ℃～120 ℃ hot drawing-offs, drafting multiple is 1.5～5 times, obtains carbon nano-tube/poly ammonia ester/polypropylene conductive fiber.
4. the preparation method of carbon nano-tube/poly ammonia ester according to claim 1/polypropylene conductive fiber is characterized in that: described strong acid is at least a in nitric acid, the sulfuric acid.
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| CN106012093A (en) * | 2016-05-23 | 2016-10-12 | 湖北华强科技有限责任公司 | Preparation method of compound conductive fibers |
| CN106868614A (en) * | 2017-01-10 | 2017-06-20 | 烟台泰和新材料股份有限公司 | A kind of conductive spandex fibre and preparation method thereof |
| CN107877893A (en) * | 2017-11-24 | 2018-04-06 | 河南工程学院 | Preparation method of electromagnetic shielding PP film |
| CN109487367A (en) * | 2018-11-15 | 2019-03-19 | 杨兴贵 | A kind of polypropylene fiber silk band and preparation method thereof |
| CN110523142A (en) * | 2019-08-23 | 2019-12-03 | 天津工业大学 | A kind of imitative bark polypropylene/polycarbonate nano fiber melt-blowing air filtrate and preparation method thereof |
| CN114526849A (en) * | 2022-02-23 | 2022-05-24 | 重庆文理学院 | Preparation method of non-woven fabric-based flexible pressure sensor |
| CN114990721A (en) * | 2022-06-30 | 2022-09-02 | 中原工学院 | High-strength photo-thermal polypropylene fiber and preparation method and application thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012093A (en) * | 2016-05-23 | 2016-10-12 | 湖北华强科技有限责任公司 | Preparation method of compound conductive fibers |
| CN106012093B (en) * | 2016-05-23 | 2018-02-06 | 湖北华强科技有限责任公司 | A kind of preparation method of composite conducting fiber |
| CN106868614A (en) * | 2017-01-10 | 2017-06-20 | 烟台泰和新材料股份有限公司 | A kind of conductive spandex fibre and preparation method thereof |
| CN107877893A (en) * | 2017-11-24 | 2018-04-06 | 河南工程学院 | Preparation method of electromagnetic shielding PP film |
| CN109487367A (en) * | 2018-11-15 | 2019-03-19 | 杨兴贵 | A kind of polypropylene fiber silk band and preparation method thereof |
| CN110523142A (en) * | 2019-08-23 | 2019-12-03 | 天津工业大学 | A kind of imitative bark polypropylene/polycarbonate nano fiber melt-blowing air filtrate and preparation method thereof |
| CN110523142B (en) * | 2019-08-23 | 2023-04-18 | 天津工业大学 | Bark-imitated polypropylene/polycarbonate nanofiber melt-blown air filter material and preparation method thereof |
| CN114526849A (en) * | 2022-02-23 | 2022-05-24 | 重庆文理学院 | Preparation method of non-woven fabric-based flexible pressure sensor |
| CN114990721A (en) * | 2022-06-30 | 2022-09-02 | 中原工学院 | High-strength photo-thermal polypropylene fiber and preparation method and application thereof |
| CN114990721B (en) * | 2022-06-30 | 2023-07-21 | 中原工学院 | High-strength photo-thermal polypropylene fiber and preparation method and application thereof |
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