CN106048757B - A kind of preparation method of the phase change fiber with nucleocapsid bead structure - Google Patents
A kind of preparation method of the phase change fiber with nucleocapsid bead structure Download PDFInfo
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- CN106048757B CN106048757B CN201610442121.0A CN201610442121A CN106048757B CN 106048757 B CN106048757 B CN 106048757B CN 201610442121 A CN201610442121 A CN 201610442121A CN 106048757 B CN106048757 B CN 106048757B
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
- D01D5/34—Core-skin structure; Spinnerette packs therefor
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0015—Electro-spinning characterised by the initial state of the material
- D01D5/003—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion
- D01D5/0046—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion the fibre formed by coagulation, i.e. wet electro-spinning
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0069—Electro-spinning characterised by the electro-spinning apparatus characterised by the spinning section, e.g. capillary tube, protrusion or pin
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0076—Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0092—Electro-spinning characterised by the electro-spinning apparatus characterised by the electrical field, e.g. combined with a magnetic fields, using biased or alternating fields
-
- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/16—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds as constituent
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Multicomponent Fibers (AREA)
- Materials For Medical Uses (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention discloses the preparation method of the phase change fiber with nucleocapsid bead structure, the resin solution that phenolic resin is dissolved in organic solvent formation with high molecular component is poured into the syringe being connected with spinneret cortex；Low-temperature phase-change material is poured into the syringe being connected with spinneret sandwich layer；Phase transformation as-spun fibre is obtained in rotation or tablet reception device；Phase transformation as-spun fibre obtained, which is placed in solidify liquid, to be cured, and is then washed, is dried to obtain the phase change fiber with nucleocapsid bead structure.The present invention is prepared for the beading phase change fiber of special construction by a step coaxial electrostatic spinning method, reduces the preparation process of phase change fiber；The nucleocapsid being connected using coaxial electrostatic spinning method, reduces secondary load, improves the energy storage density of phase change fiber, and then improves material efficiency；Core-skin bead prepared by electrostatic spinning has good cladding to phase-change material, improves the covering property of phase change fiber.
Description
Technical field
The invention belongs to the preparation fields of special fibre, and in particular to a kind of flame-retardant high-molecular be shell, low-temperature phase-change material
For the bead of core, and pass through the preparation method for the phase change fiber with nucleocapsid bead structure that fiber between pearl connects.
Background technology
Phase change fiber is the energy storage characteristic using phase-change material, the flexible intelligent temperature adjustment that a kind of energy-controllable of acquisition obtains
Fiber.Have broad application prospects at present in many fields such as building materials, aviation, weaving, agricultural, medical treatment.Wherein low temperature phase change material
Material, because of its good heat storage performance, wider fusion temperature and higher latent heat of phase change, it is nontoxic and non-corrosive the advantages that, into
For the phase-change material most paid close attention to by researcher.
But there is also after easy leakage, volatile, cladding the deficiencies of easy firing for such material.It is easily revealed for phase-change material
Problem, it is using either physically or chemically by phase-change material cladding largely to study the route followed.Including：Shi Fei is proposed
（A kind of preparation method of phase change fiber：Chinese ZL 201310694807.5 [P]）Phase-change material is directly circulated into hollow fibre
Dimension is internal, and phase-change material is fixed by the capillarity of doughnut endoporus；Wang Bin is proposed（A kind of preparation side of phase change fiber
Method：Chinese ZL 201310420382.9 [P]）By adding in microencapsulated phase change material in spinning solution so that phase change fiber has
The characteristics of being uniformly dispersed, but the above method is relatively low there is covering property, and energy storage density is small, while incendive shortcoming.For
The incendive problem of phase-change material, mostly using the method for addition fire retardant, the addition of fire retardant can increase the toxicity of material, and
The energy storage effect and physical property of material are influenced to a certain extent.Zhu Fanglong is proposed（Protecting thermal insulating layer is fine with fire-retardant phase transformation
The preparation method of dimension：Chinese ZL 201010574244.2 [P]）, continuous skin-core structure is prepared under high voltage electrostatic field
Retardant phase change fiber, wherein core material are fire-retardant phase transformation micro-nano capsule, and cortex is the fire-retardant high polymer of essential type.This method improves
Anti-flammability, but in order to improve cladding compactness, reduce the content of phase-change material, the energy storage effect of phase-change material is difficult to send out
It waves.If but the problem of improving the energy storage effect of material, increasing the dosage of phase-change material, then phase-change material may be caused to reveal.
The content of the invention
The technical problems to be solved by the invention be for the inflammable of existing phase change fiber, covering property is poor, energy storage density is low
The shortcomings that, a kind of preparation method of the beading phase change fiber of the core-shell particles structure of flame-retardant phenolic resin cladding is provided.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of preparation method of the phase change fiber with nucleocapsid bead structure, comprises the following steps：
（1）Phenolic resin and high molecular component are dissolved in organic solvent, it is molten to stir 10-600min formation resins at room temperature
Liquid pours into resin solution in the syringe being connected with spinneret cortex；
（2）Organic phase change material or the mixture of inorganic phase-changing material or organic phase change material and inorganic phase-changing material are made
For low-temperature phase-change material, low-temperature phase-change material is poured into the syringe being connected with spinneret sandwich layer；
（3）Coaxial electrostatic spinning silk device is connected, sets the injection speed of sandwich layer low-temperature phase-change material and cortex resin solution
Rate obtains phase transformation as-spun fibre in rotation or tablet reception device；
（4）By step（3）Phase transformation as-spun fibre obtained, which is placed in solidify liquid, to be cured, and is then washed, is dried to obtain and has
The phase change fiber of nucleocapsid bead structure.
The step（1）The mass ratio of middle phenolic resin, high molecular component and organic solvent is 5-60：10-20：100.
The step（1）In phenolic resin be thermosetting phenolic resin or thermoplastic phenolic resin.
The step（1）In high molecular component be polyethylene glycol formal, polyethylene glycol butyral or polyvinyl pyrrole
Alkanone.
The step（1）In organic solvent in ethyl alcohol, methanol, tetrahydrofuran or N,N-dimethylformamide at least
It is a kind of.
The step（2）In organic phase change material for n-tetradecane, hexadecane, n-octadecane, n-eicosane, positive two
Dodecane or paraffin；The step（2）In inorganic phase-changing material be Na that mass fraction is 5%-50%2SO4Aqueous solution or quality
Fraction is the CaCl of 5%-50%2Measure aqueous solution.
The step（3）In spinneret tip and the distance between substrate be 8-40cm, the electricity between needle point and substrate
It presses as 5-30KV, outer, rate 0.3-6mL/h, internal layer rate is 0.01-2 mL/h, and experimental situation temperature is 20-30 DEG C.
The step（4）In curing be that phase transformation as-spun fibre is placed in solidify liquid, with the heating rate of 4-40 DEG C/h
95 DEG C uniformly are warming up to, constant temperature 0-5h is cured, and is then cooled down.
The step（4）In solidify liquid be the aqueous hydrochloric acid solution of 8wt%-25wt% and the formalin of 8wt%-25wt%
It is made after mixing.
Compared with the prior art, beneficial effects of the present invention are：It is special to be prepared for by a step coaxial electrostatic spinning method
The beading phase change fiber of structure reduces the preparation process of phase change fiber；It is connected using coaxial electrostatic spinning method
Nucleocapsid reduces secondary load, improves the energy storage density of phase change fiber, and then improves material efficiency；Use phenolic aldehyde
Resin, using the intrinsic flame-retarding characteristic of phenolic aldehyde, obtains fire-retardant phase change fiber as cortex；Core-skin pearl prepared by electrostatic spinning
Grain has good cladding to phase-change material, improves the covering property of phase change fiber；Gained phase change fiber film is soft, can cut out,
It provides the foundation for the extensive use of phase change fiber.
Description of the drawings
Fig. 1 is the SEM figures of the phase change fiber with nucleocapsid bead structure prepared by the present invention.
Specific embodiment
With reference to embodiment, the present invention is described further, as described below, is only the preferable implementation to the present invention
Example, not limits the present invention, any person skilled in the art is possibly also with the disclosure above
Technology contents be changed to the equivalent embodiment changed on an equal basis.It is every without departing from the present invention program content, according to the present invention
Any simple modification for being made to following embodiment of technical spirit or equivalent variations, all fall in protection scope of the present invention.
Embodiment 1
A kind of preparation method of the phase change fiber with nucleocapsid bead structure, specifically includes following steps：
（1）By thermoplastic phenolic resin（5g）With polyethylene glycol formal（10g）It is dissolved in methanol（100g）In, it stirs at room temperature
It mixes 10min and forms homogeneous solution, pour into the syringe being connected with spinneret cortex；
（2）Using n-tetradecane as phase-change material, pour into the syringe being connected with spinneret sandwich layer；
（3）Coaxial electrostatic spinning silk device is connected, sets the injection rate point of sandwich layer phase-change material and cortex resin solution
Not Wei 0.01mL/h and 0.3mL/h, the distance between spinneret tip and substrate are 8cm, and voltage between the two is 5KV, if
Experimental situation temperature is put as 20 DEG C, phase transformation as-spun fibre is obtained on Rotation of receiver device；
（4）According to HCl weight contents 8%, CH in hydrochloric acid, formalin2O weight contents 8% configure, and gained phase transformation is come into being
Fiber is put into above-mentioned solidify liquid, is uniformly warming up to 95 DEG C of postcoolings, taking-up washing with the heating rate of 4 DEG C/h, is dried to obtain
The phase change fiber of bead structure.
The phase change fiber of gained impregnates in toluene, water and methanol solution, and material without phase-change is tested using spectrophotometer
Leakage washs 20 times without precipitation, is 31 by oxygen index instrument test limits oxygen index (OI), latent heat of phase change is 96 J/g.
Embodiment 2
A kind of preparation method of the phase change fiber with nucleocapsid bead structure, specifically includes following steps：
（1）By thermoplastic phenolic resin（60g）With polyethylene glycol formal（20g）It is dissolved in methanol（100g）In, at room temperature
It stirs 10min and forms homogeneous solution, pour into the syringe being connected with spinneret cortex；
（2）Using hexadecane and n-docosane according to weight 1:1 mixing is poured into and spinneret core as phase-change material
In the connected syringe of layer；
（3）Coaxial electrostatic spinning silk device is connected, sets the injection rate point of sandwich layer phase-change material and cortex resin solution
Not Wei 2mL/h and 6mL/h, the distance between spinneret tip and substrate are 40cm, and voltage between the two is 30KV, is set real
Environment temperature is tested as 30 DEG C, phase transformation as-spun fibre is obtained on Rotation of receiver device；
（4）Solidify liquid is made after the formalin of the aqueous hydrochloric acid solution of 25wt% and 25wt% are mixed,
Gained phase transformation as-spun fibre is put into above-mentioned solidify liquid, 95 DEG C are uniformly warming up to the heating rate of 40 DEG C/h,
Constant temperature 5h postcoolings, the phase change fiber for taking out washing, being dried to obtain bead structure.
The phase change fiber of gained impregnates in toluene, water and methanol solution, and material without phase-change is tested using spectrophotometer
Leakage washs 20 times without precipitation, is 28 by oxygen index instrument test limits oxygen index (OI), latent heat of phase change is 112 J/g.
Embodiment 3
A kind of preparation method of the phase change fiber with nucleocapsid bead structure, specifically includes following steps：
（1）By thermoplastic phenolic resin（20g）With polyethylene glycol formal（15g）It is dissolved in methanol（100g）In, at room temperature
It stirs 10min and forms homogeneous solution, pour into the syringe being connected with spinneret cortex；
（2）Use Na2SO4Aqueous solution is poured into as phase-change material in the syringe being connected with spinneret sandwich layer；
（3）Coaxial electrostatic spinning silk device is connected, sets the injection rate point of sandwich layer phase-change material and cortex resin solution
Not Wei 1mL/h and 2mL/h, the distance between spinneret tip and substrate are 20cm, and voltage between the two is 20KV, is set real
Environment temperature is tested as 25 DEG C, phase transformation as-spun fibre is obtained on Rotation of receiver device；
（4）Solidify liquid is made after the formalin of the aqueous hydrochloric acid solution of 15wt% and 14wt% are mixed,
Gained phase transformation as-spun fibre is put into above-mentioned solidify liquid, is uniformly warming up to 95 DEG C with the heating rate of 18 DEG C/h, perseverance
Warm 2.5h postcoolings, the phase change fiber for taking out washing, being dried to obtain bead structure.
The phase change fiber of gained impregnates in toluene, water and methanol solution, and material without phase-change is tested using spectrophotometer
Leakage washs 20 times without precipitation, is 38 by oxygen index instrument test limits oxygen index (OI), latent heat of phase change is 107 J/g.
Embodiment 4
A kind of preparation method of the phase change fiber with nucleocapsid bead structure, specifically includes following steps：
（1）By thermoplastic phenolic resin（15g）With polyethylene glycol formal（14g）It is dissolved in methanol（100g）In, at room temperature
It stirs 600min and forms homogeneous solution, pour into the syringe being connected with spinneret cortex；
（2）Using n-octadecane as phase-change material, pour into the syringe being connected with spinneret sandwich layer；
（3）Coaxial electrostatic spinning silk device is connected, sets the injection rate point of sandwich layer phase-change material and cortex resin solution
Not Wei 0.5mL/h and 1.3mL/h, the distance between spinneret tip and substrate are 18cm, and voltage between the two is 19KV, if
Experimental situation temperature is put as 27 DEG C, phase transformation as-spun fibre is obtained on Rotation of receiver device；
（4）Solidify liquid is made after the formalin of the aqueous hydrochloric acid solution of 19wt% and 13wt% are mixed,
Gained phase transformation as-spun fibre is put into above-mentioned solidify liquid, is uniformly warming up to 95 DEG C with the heating rate of 15 DEG C/h, perseverance
Warm 2h postcoolings, the phase change fiber for taking out washing, being dried to obtain bead structure.
The phase change fiber of gained impregnates in toluene, water and methanol solution, and material without phase-change is tested using spectrophotometer
Leakage washs 20 times without precipitation, is 27 by oxygen index instrument test limits oxygen index (OI), latent heat of phase change is 104 J/g.
Embodiment 5
A kind of preparation method of the phase change fiber with nucleocapsid bead structure, specifically includes following steps：
（1）By thermoplastic phenolic resin（7g）With polyethylene glycol butyral（6g）It is dissolved in methanol（100g）In, it stirs at room temperature
It mixes 100min and forms homogeneous solution, pour into the syringe being connected with spinneret cortex；
（2）Using n-eicosane as phase-change material, pour into the syringe being connected with spinneret sandwich layer；
（3）Coaxial electrostatic spinning silk device is connected, sets the injection rate point of sandwich layer phase-change material and cortex resin solution
Not Wei 0.2mL/h and 1 mL/h, the distance between spinneret tip and substrate are 18cm, and voltage between the two is 19KV, if
Experimental situation temperature is put as 27 DEG C, phase transformation as-spun fibre is obtained on Rotation of receiver device；
（4）Solidify liquid is made after the formalin of the aqueous hydrochloric acid solution of 15wt% and 18wt% are mixed, at the beginning of gained phase transformation
Raw fiber is put into above-mentioned solidify liquid, is uniformly warming up to 95 DEG C with the heating rate of 13 DEG C/h, constant temperature 2h postcoolings take out water
Wash, be dried to obtain the phase change fiber of bead structure.
The phase change fiber film of gained impregnates in toluene, water and methanol solution, and material without phase-change is tested using spectrophotometer
Material leakage washs 20 times without precipitation, is 32 by oxygen index instrument test limits oxygen index (OI), latent heat of phase change is 127 J/g.
Embodiment 6
A kind of preparation method of the phase change fiber with nucleocapsid bead structure, specifically includes following steps：
（1）Thermosetting phenolic resin will be contained（7g）Methanol（100g）Solution and polyethylene glycol butyral（6g）Blending,
100min is stirred at room temperature and forms homogeneous solution, is poured into the syringe being connected with spinneret cortex；
（2）Using n-eicosane as phase-change material, pour into the syringe being connected with spinneret sandwich layer；
（3）Coaxial electrostatic spinning silk device is connected, sets the injection rate point of sandwich layer phase-change material and cortex resin solution
Not Wei 0.2mL/h and 2 mL/h, the distance between spinneret tip and substrate are 20cm, and voltage between the two is 19KV, if
Experimental situation temperature is put as 27 DEG C, phase transformation as-spun fibre is obtained on Rotation of receiver device；
（4）Gained phase transformation as-spun fibre is put into vacuum drying chamber, 60 DEG C is warming up under nitrogen protection, keeps the temperature 60min,
Inorganic acid catalytic curing obtains the phase change fiber of bead structure.
The phase change fiber of gained impregnates in toluene, water and methanol solution, and material without phase-change is tested using spectrophotometer
Leakage washs 20 times without precipitation, is 35 by oxygen index instrument test limits oxygen index (OI), latent heat of phase change is 125 J/g.
Basic principle of the invention and main feature and advantages of the present invention has been shown and described above.The skill of the industry
Art personnel it should be appreciated that the present invention is not limited to the above embodiments, the above embodiments and description only describe
The principle of the present invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these
Changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and
Its equivalent thereof.
Claims (9)
1. a kind of preparation method of the phase change fiber with nucleocapsid bead structure, it is characterised in that comprise the following steps：
（1）Phenolic resin and high molecular component are dissolved in organic solvent, 10-600min is stirred at room temperature and forms resin solution,
Resin solution is poured into the syringe being connected with spinneret cortex；
（2）Using organic phase change material or the mixture of inorganic phase-changing material or organic phase change material and inorganic phase-changing material as low
Warm phase-change material pours into low-temperature phase-change material in the syringe being connected with spinneret sandwich layer；
（3）Coaxial electrostatic spinning silk device is connected, sets the injection rate of sandwich layer low-temperature phase-change material and cortex resin solution,
Phase transformation as-spun fibre is obtained in rotation or tablet reception device；
（4）By step（3）Phase transformation as-spun fibre obtained, which is placed in solidify liquid, to be cured, and is then washed, is dried to obtain with nucleocapsid
The phase change fiber of bead structure.
2. the preparation method of the phase change fiber according to claim 1 with nucleocapsid bead structure, it is characterised in that：It is described
Step（1）The mass ratio of middle phenolic resin, high molecular component and organic solvent is 5-60：10-20：100.
3. the preparation method of the phase change fiber according to claim 1 with nucleocapsid bead structure, it is characterised in that：It is described
Step（1）In phenolic resin be thermosetting phenolic resin or thermoplastic phenolic resin.
4. the preparation method of the phase change fiber according to claim 1 with nucleocapsid bead structure, it is characterised in that：It is described
Step（1）In high molecular component be polyethylene glycol formal, polyethylene glycol butyral or polyvinylpyrrolidone.
5. the preparation method of the phase change fiber according to claim 1 with nucleocapsid bead structure, it is characterised in that：It is described
Step（1）In organic solvent at least one of for ethyl alcohol, methanol, tetrahydrofuran or N,N-dimethylformamide.
6. the preparation method of the phase change fiber according to claim 1 with nucleocapsid bead structure, it is characterised in that：It is described
Step（2）In organic phase change material be n-tetradecane, hexadecane, n-octadecane, n-eicosane, n-docosane or stone
Wax；The step（2）In inorganic phase-changing material be Na that mass fraction is 5%-50%2SO4Aqueous solution or mass fraction are 5%-
50% CaCl2Measure aqueous solution.
7. the preparation method of the phase change fiber according to claim 1 with nucleocapsid bead structure, it is characterised in that：It is described
Step（3）In spinneret tip and the distance between substrate be 8-40cm, the voltage between needle point and substrate is 5-30KV, outside
Layer rate is 0.3-6mL/h, and internal layer rate is 0.01-2 mL/h, and experimental situation temperature is 20-30 DEG C.
8. the preparation method of the phase change fiber according to claim 1 with nucleocapsid bead structure, it is characterised in that：It is described
Step（4）In curing be that phase transformation as-spun fibre is placed in solidify liquid, be uniformly warming up to 95 with the heating rate of 4-40 DEG C/h
DEG C, constant temperature 0-5h is cured, and is then cooled down.
9. the preparation method of the phase change fiber according to claim 1 with nucleocapsid bead structure, it is characterised in that：It is described
Step（4）In solidify liquid be after the aqueous hydrochloric acid solution of 8wt%-25wt% is mixed with the formalin of 8wt%-25wt% be made.
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| CN110318120B (en) * | 2019-04-09 | 2022-07-29 | 中国海洋大学 | Core-shell self-repairing fiber bead type electrostatic spinning material based on pH response and synthesis method and application thereof |
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| CN115887762B (en) * | 2022-10-11 | 2024-03-15 | 苏州大学 | Microfluidic electrospun fiber membrane microsphere, preparation method thereof and application thereof in vascular repair |
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2016
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Patent Citations (6)
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|---|---|---|---|---|
| WO2003062513A2 (en) * | 2000-10-19 | 2003-07-31 | Outlast Technologies, Inc. | Temperature adaptable textile fibers and method of preparing same |
| CN1493720A (en) * | 2003-07-02 | 2004-05-05 | 东华大学 | Phase change composite spinning solution and its preparation and application |
| CN1958890A (en) * | 2006-11-08 | 2007-05-09 | 中国科学院广州化学研究所 | Heat storaging, thermoregulated superfine composite fibre of possessing kernel / shell structure, and preparation method |
| CN101353827A (en) * | 2007-07-25 | 2009-01-28 | 中国科学院化学研究所 | Multi-stage phase change micro-nano complex fiber, and preparation method and application thereof |
| CN102071486A (en) * | 2010-12-06 | 2011-05-25 | 中原工学院 | Method for preparing retardant phase change fiber for protecting thermal insulating layer |
| CN102899738A (en) * | 2012-10-09 | 2013-01-30 | 清华大学 | Method for preparing superfine phenolic fibre |
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