CN110295413A - A kind of porous type functional composite fiber arranged side by side and preparation method thereof - Google Patents
A kind of porous type functional composite fiber arranged side by side and preparation method thereof Download PDFInfo
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- CN110295413A CN110295413A CN201910593066.9A CN201910593066A CN110295413A CN 110295413 A CN110295413 A CN 110295413A CN 201910593066 A CN201910593066 A CN 201910593066A CN 110295413 A CN110295413 A CN 110295413A
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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
- D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
- D01D5/247—Discontinuous hollow structure or microporous structure
-
- 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
- D01D5/32—Side-by-side structure; Spinnerette packs therefor
-
- 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
- D01F1/10—Other agents for modifying properties
-
- 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
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
-
- 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
- D01F8/08—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyacrylonitrile as constituent
-
- 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
- D01F8/10—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained by reactions only involving carbon-to-carbon unsaturated bonds as constituent
-
- 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
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
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- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
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- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Multicomponent Fibers (AREA)
Abstract
The present invention relates to a kind of porous type functional composite fibers arranged side by side and preparation method thereof.Porous type functional composite fiber arranged side by side includes porous structural and functional structure, is evenly distributed hole on porous structural；Include polymer component A and dissolvable particle in the porous structural, includes polymer B component and functional particles in the functional structure.The fibre section of composite fibre is one of " H " type, " 8 " font, " 0 " font, " △ " type, " ◇ " type or a variety of.Porous type functional composite fiber arranged side by side includes the porous structural and functional structure of different polymers compositions, has biggish surface area and excellent three-dimensional crimp performance, preparation process is simple, low in cost.
Description
Technical field
The present invention relates to a kind of porous type functional composite fibers arranged side by side and preparation method thereof, belong to spinning fibre material
Technical field.
Background technique
Currently, to be widely used in weaving, health care, security protection, packaging, electronic apparatus, environmental protection etc. each for fiber
Field.With social progress, the continuous improvement of living standards of the people, functionalization and differential demand to fiber are increasingly
It is high.Parallel composite fiber is combined by two-component, and composite fibre has both the respective feature performance benefit of two-component, is imparted more
Combining properties, promote the differential development of fiber.Parallel composite fiber strong, excellent in mechanical performance spy with flexibility
Point, is being widely used in every field.For the application field of further open parallel composite fiber, and then assign compound fibre
A component in dimension constitutes porous structural, and another component is as mechanical support and provides other specific functions, is prepared for more
Pass functional composite fiber arranged side by side can be applied to multiple technical fields such as heat-insulated, sound insulation, at the same in composite fibre and
Array structure also gives the excellent three-dimensional crimp performance of fiber.
Summary of the invention
The deficiencies in the prior art are directed to, it is functional multiple side by side that the purpose of the present invention is to provide a kind of porous types
Condensating fiber and preparation method thereof.Porous type functional composite fiber arranged side by side include different polymers compositions porous structural and
Functional structure has biggish surface area and excellent three-dimensional crimp performance, and preparation process is simple, low in cost.
Purpose to realize the present invention, the invention adopts the following technical scheme:
A kind of porous type functional composite fiber arranged side by side, including porous structural and functional structure, on the porous structural
It is evenly distributed hole；It include polymer component A and dissolvable particle in the porous structural, wherein the polymer A
Component is one of polyethylene, polyphenylene sulfide, polyester, polylactic acid, polyolefin elastomer, polyacrylonitrile, polyamide or a variety of；
It include polymer B component and functional particles in the functional structure, wherein the polymer B component is polypropylene, polyester, poly- third
One of alkene nitrile, polyamide, Kynoar, polyolefin elastomer are a variety of.
The fibre section of the porous type functional composite fiber arranged side by side be " H " type, " 8 " font, " 0 " font, " △ " type,
One of " ◇ " type is a variety of, and the distribution of SMD of hole is 100 ~ 5000nm on the porous structural.
Preferably, the polyester is one of PET, PBT, PTT or a variety of.
Preferably, the polymer component A and polymer B component are different polymer.
The dissolvable particle is sodium chloride, in potassium chloride, ammonium chloride, ammonium sulfate, potassium sulfate, sodium sulphate, sucrose
It is one or more；The functional particles are sodium chloride, graphene, carbon nanotube, nano metal particles, metal powder, special
One or more of functional oxide, nano-silicon nitride, silicon carbide, nano-silicon, mica powder, barium titanate.
Preferably, the nano metal particles be Pt nano particle, nanometer Au, nanometer Fe, nanometer Ge, nanometer Cu, nanometer Ag,
Nanometer one of Cr and Nanoalloy or a variety of；The metal powder is superfine iron powder, super fine silver powder, nickel powder, copper powder
One of or it is a variety of；The specific function oxide is aluminium oxide, Fe3O4Nano particle, TiO2Nanoparticle, nano oxygen
Change one of zinc, iron oxide, tin oxide, composite oxides, zirconium oxide or a variety of.
Preferably, by weight, the weight of porous structural: weight=7:3 ~ 3:7 of functional structure；Also, it is described porous
Polymer component A and the weight ratio of dissolvable particle are 99:1 ~ 7:3 in type structure, in the functional structure polymer B component and
The weight ratio of functional particles is 99:1 ~ 6:4.
A kind of preparation method of porous type functional composite fiber arranged side by side, comprising the following steps:
(1) by weight, weigh polymer component A and dissolvable inorganic particulate respectively, launch into mixer or twin-screw into
Row is blended, and is uniformly mixed and obtains the raw material of porous structural；By weight, polymer B component and functional particles are weighed respectively, are thrown
It is put into mixer or twin-screw and is blended, be uniformly mixed and obtain the raw material of functional structure；
(2) it will launch after the raw material of porous structural and the raw material drying of functional structure into melt composite spinning machine, melting is spun
The functional composite fiber arranged side by side with special fiber section is made in silk；
(3) functional composite fiber arranged side by side obtained in step (2) is immersed in tap water, is immersed in moisture in fiber
Portion, do not heat or 35-100 DEG C of heating condition under, be dissolved into the dissolvable particle in porous structural in water；
(4) it washs, product obtained in step (3) is passed through into the distilled water of 30 ~ 80 DEG C of temperature and dehydrated alcohol elutes 4 ~ 8 times,
Remaining inorganic solute molecule is removed, porous type functional composite fiber arranged side by side is finally obtained.
The fibre section of the porous type functional composite fiber arranged side by side be " H " type, " 8 " font, " 0 " font, " △ " type,
One of " ◇ " type is a variety of, and the distribution of SMD of hole is 100 ~ 5000nm on the porous structural.
Preferably, the technological parameter of the melt spinning: spinning temperature is 150 ~ 380 DEG C, and spinning temperature fluctuation range is
± 1 DEG C, spinning pressure is 6 ~ 50MPa, and draw ratio is 1 ~ 5 times, and spinning speed is 1000 ~ 6000m/min.
After above-mentioned technical solution, the invention has the following beneficial effects:
1. the present invention provides a kind of porous type functional composite fiber arranged side by side, due to including different polymerizations in the composite fibre
Object component, there are certain thermal contraction and stress differences, thus macroscopically having excellent three-dimensional crimp performance.
2. porous type of the invention functional composite fiber arranged side by side is formed more by polymer component A and dissolvable particle
Pass structure, compared with traditional fibre, which has biggish surface area；And the functional structure of composite fibre is guaranteeing
While composite fibre mechanical property, it can also assign fiber special property by the regulation to functional particles in functional structure
Can, such as excellent electric conductivity, anti-ultraviolet property etc..
3. the dissolvable particle selection sodium chloride in porous type of the invention functional composite fiber arranged side by side etc. is soluble,
Free of contamination inorganic matter, such inorganic matter can dissolve in pure water, simple process and low cost.Pass through dissolution time and temperature
Adjusting, can control the dissolution rate of particle in fiber composition, and then control the porosity of fiber.
4. porous type of the invention functional composite fiber arranged side by side imparts the structure of fiber multihole type, can be greatly
The application field of the composite fibre is extended, such as can be used for disposable filtering material, sound insulation, heat-barrier material and suction can be used as
It receives material and is applied to sea pollution by oil pollution control etc..
Detailed description of the invention
Fig. 1 is a kind of cross-sectional structure schematic diagram of porous type functional composite fiber arranged side by side of the present invention.
Fig. 2 is the schematic diagram of composite spining module in melt composite spinning machine used in 1-4 of the embodiment of the present invention, A
It is the melt flow channel of porous structural raw material and functional structure raw material with B, C is coextrusion runner, and D is spinneret aperture.
Fig. 3 is that spinneret aperture cross-sectional view, outer ledge are in melt composite spinning machine used in the present invention
The figure of eight.
Specific embodiment
For a better understanding of the invention, the present invention is further elaborated below with reference to embodiment, but embodiment not structure
At limiting the scope of the invention.
Embodiment 1
By weight, 100 parts of PET and 10 part of sodium chloride particle is weighed, launches into mixer, is blended at 260 DEG C
The PET mixture containing NaCl inorganic particulate is prepared in 10min；By weight, 100 parts of PBT and 1.5 part of stone is weighed
Black alkene is launched into mixer, 20min is blended at 230 DEG C, the PBT mixture containing graphene is prepared.
PET mixture and PBT mixture are subjected to melt spinning by melt composite spinning machine, obtained fiber cross section is
The functional composite fiber arranged side by side of " 8 " font, wherein the mass ratio of PET mixture and PBT mixture is 50:50.It is spun in melting
PBT slice is directly dried without pre-crystallized before silk, and 130 DEG C of drying temperature, drying time is 12 h；PET is at 120 DEG C
Pre-crystallized 1h, the dry 12h at 165 DEG C.The technological parameter of melt spinning: PET spinning temperature is an area: 280 DEG C；2nd area: 286
℃；3rd area: 292 DEG C；4th area: 290 DEG C, PBT spinning temperature is an area: 250 DEG C；2nd area: 265 DEG C；3rd area: 260 DEG C；4th area:
260℃；Spinning temperature fluctuation is ± 1 DEG C, spinning pressure 6MPa, and draw ratio is 3 times, spinning speed 1280m/min.
Composite spining module in melt composite spinning machine is as shown in Fig. 2, interior be equipped with two melt flow channels (A and B) and a co-extrusion
Runner C out, PBT blend and PET blend squeeze after melt flow channel A and B enter coextrusion runner C from spinneret aperture D respectively
Out；The spinneret aperture cross section D is as shown in figure 3, its outer ledge is in the figure of eight.
The functional composite fiber arranged side by side being prepared is immersed in 40min in the tap water of flowing, is immersed in moisture
Fibrous inside is dissolved into sodium chloride particle in water under 60 DEG C of heating conditions.Then the product obtained after dissolution process is passed through
It crosses distilled water to elute 4 times, removes remaining inorganic solute molecule, finally obtain porous type functional composite fiber arranged side by side.
The crimp contraction of porous type functional composite fiber arranged side by side is 55%, elastic recovery rate 80%；It is compound by this
Fiber is that the creasy recovery angle of raw material weaving gained fabric is 300 °, and elastic recovery rate 80%, porosity reaches 8%, fiber
Electric conductivity is remarkably reinforced, and conductivity reaches 3.3 × 102S/m。
Embodiment 2
By weight, 100 parts of polylactic acid and 15 parts of sucrose powder are weighed, dispensing is mixed to get into mixer containing sucrose
Particle poly-lactic acid mixture；100 parts of polyacrylonitrile and 3 parts of carbon nanotube are weighed, dispensing is mixed to get into mixer to be contained
There is the polyacrylonitrile mixture of carbon nanotube.
Polylactic acid and polyacrylonitrile mixture are subjected to melt spinning by melt composite spinning machine, fiber cross section is made
For the functional composite fiber arranged side by side of " H " type, wherein the mass ratio of polylactic acid and polyacrylonitrile mixture is 40:60.Polylactic acid
12h is dried in vacuo at 120 DEG C before melt spinning with polyacrylonitrile mixture.The technological parameter of melt spinning: spinning temperature
It is 275 DEG C, spinning temperature fluctuation is ± 1 DEG C, spinning pressure 10MPa, and draw ratio is 4 times, spinning speed 3000m/min.
The functional composite fiber arranged side by side being prepared is immersed in 1h in the tap water of flowing, moisture is made to be immersed in fiber
Inside is dissolved into sucrose molecule in water under 65 DEG C of heating conditions.Then by the product obtained after dissolution process by distilling
Water elutes 6 times, removes remaining inorganic solute molecule, finally obtains porous type functional composite fiber arranged side by side.
The crimp contraction of porous type functional composite fiber arranged side by side is 55%, elastic recovery rate 88%；It is compound by this
Fiber is that the creasy recovery angle of raw material weaving gained fabric is 310 °, and elastic recovery rate 87%, porosity reaches 15%, fiber
Electric conductivity is remarkably reinforced, and conductivity reaches 2.1 × 102S/m。
Embodiment 3
By weight, 100 parts of PTT and 12 part of ammonium chloride is weighed, dispensing is mixed to get into mixer containing ammonium chloride
PTT mixture；By weight, 100 parts of Kynoar and 5 parts of TiO are weighed2The mixed powder of nanoparticle and mica powder
Body, wherein TiO2With weight ratio 1:1 mixing, dispensing is mixed to get into mixer containing TiO for nanoparticle and mica powder2Nanometer
Particle-mica powder Kynoar mixture.
PTT and Kynoar mixture are subjected to melt spinning by melt composite spinning machine, fiber cross section is made
For the functional composite fiber arranged side by side of " 0 " font, wherein the mass ratio of PTT and Kynoar mixture is 55:45.PTT and
Kynoar mixture is dried in vacuo 16h at 130 DEG C before melt spinning.The technological parameter of melt spinning: spinning temperature
It is 250 DEG C, spinning temperature fluctuation is ± 1 DEG C, spinning pressure 3MPa, and draw ratio is 3.8 times, spinning speed 2500m/min.
The functional composite fiber arranged side by side being prepared is immersed in 30min in the tap water of flowing, is immersed in moisture
Fibrous inside makes ammonium chloride molecular melting into water.Then the product obtained after dissolution process is eluted 6 times by distilled water,
Remaining inorganic solute molecule is removed, porous type functional composite fiber arranged side by side is finally obtained.
The crimp contraction of porous type functional composite fiber arranged side by side is 67%, elastic recovery rate 90%；It is compound by this
Fiber is that the creasy recovery angle of raw material weaving gained fabric is 293 °, and elastic recovery rate 91%, porosity reaches 17%, fiber
Anti-ultraviolet property is remarkably reinforced, and UPF value reaches 61.
Embodiment 4
By weight, 100 parts of PBT and 8 part of sucrose powder is weighed, dispensing is mixed to get containing sucrose particle into mixer
PBT mixture；By weight, 100 parts of polyolefin elastomer and 8 parts of sodium chloride particle are weighed, launches and is mixed into mixer
Conjunction obtains the polyolefin elastomer mixture containing sodium chloride.
Polyolefin elastomer and PBT mixture are subjected to melt spinning by melt composite spinning machine, it is transversal that fiber is made
Face is the functional composite fiber arranged side by side of " H " type, and wherein the mass ratio of PBT and polyolefin elastomer mixture is 30:70.PBT
Mixture is dried in vacuo 12h before melt spinning at 120 DEG C, and polyolefin elastomer mixture is before melt spinning at 80 DEG C
It is dried in vacuo 12h.The technological parameter of melt spinning: spinning temperature is 255 DEG C, and spinning temperature fluctuation is ± 1 DEG C, and spinning pressure is
6MPa, draw ratio are 2.8 times, spinning speed 1900m/min.
The functional composite fiber arranged side by side being prepared is immersed in 2h in the tap water of flowing, moisture is made to be immersed in fiber
Inside makes sucrose molecule and sodium chloride molecular melting into water under 45 DEG C of heating conditions.Then it will obtain after dissolution process
Product elutes 6 times by distilled water, removes remaining inorganic solute molecule, and it is functional compound side by side to finally obtain bilateral porous type
Fiber.
The crimp contraction of the bilateral porous type functional composite fiber arranged side by side is 58%, elastic recovery rate 97%；By this
Composite fibre is that the creasy recovery angle of raw material weaving gained fabric is 302 °, and elastic recovery rate 95%, porosity reaches 20%.
It should be pointed out that the related technical personnel of this research field are not it should be recognized that departing from the skill of the invention provided
In the case where art feature and range, to increase made by technical characteristic, replaces, all belong to the scope of protection of the present invention.
Claims (10)
1. a kind of porous type functional composite fiber arranged side by side, which is characterized in that described including porous structural and functional structure
Hole is evenly distributed on porous structural；Comprising polymer component A and dissolvable particle in the porous structural, wherein
The polymer component A is polyethylene, in polyphenylene sulfide, polyester, polylactic acid, polyolefin elastomer, polyacrylonitrile, polyamide
It is one or more；It include polymer B component and functional particles in the functional structure, wherein the polymer B component is poly- third
One of alkene, polyester, polyacrylonitrile, polyamide, Kynoar, polyolefin elastomer are a variety of.
2. porous type functional composite fiber arranged side by side according to claim 1, which is characterized in that the porous type function arranged side by side
The fibre section of energy property composite fibre is one of " H " type, " 8 " font, " 0 " font, " △ " type, " ◇ " type or a variety of, institute
The distribution of SMD for stating hole on porous structural is 100 ~ 5000nm.
3. porous type functional composite fiber arranged side by side according to claim 2, which is characterized in that the polyester be PET,
One of PBT, PTT or a variety of.
4. porous type functional composite fiber arranged side by side according to claim 3, it is characterised in that: the polymer component A
It is different polymer with polymer B component.
5. porous type functional composite fiber arranged side by side according to claim 4, which is characterized in that the dissolvable particle
For one of sodium chloride, potassium chloride, ammonium chloride, ammonium sulfate, potassium sulfate, sodium sulphate, sucrose or a variety of；The functional particles
For sodium chloride, graphene, carbon nanotube, nano metal particles, metal powder, specific function oxide, nano-silicon nitride, carbonization
One or more of silicon, nano-silicon, mica powder, barium titanate.
6. porous type functional composite fiber arranged side by side according to claim 5, which is characterized in that the nano metal particles
Son is one of Pt nano particle, nanometer Au, nanometer Fe, nanometer Ge, nanometer Cu, nanometer Ag, nanometer Cr and Nanoalloy or more
Kind；The metal powder is one of superfine iron powder, super fine silver powder, nickel powder, copper powder or a variety of；The specific function oxygen
Compound is aluminium oxide, Fe3O4Nano particle, TiO2Nanoparticle, nano zine oxide, iron oxide, tin oxide, composite oxides, oxygen
Change one of zirconium or a variety of.
7. porous type functional composite fiber arranged side by side according to claim 1-6, which is characterized in that by weight
Than the weight of porous structural: weight=7:3 ~ 3:7 of functional structure；Also, in the porous structural polymer component A and
The weight ratio that can dissolve particle is 99:1 ~ 7:3, and polymer B component and the weight ratio of functional particles are 99 in the functional structure:
1~6:4。
8. any one of -7 a kind of preparation method of porous type functional composite fiber arranged side by side according to claim 1, feature
It is, comprising the following steps:
(1) by weight, weigh polymer component A and dissolvable inorganic particulate respectively, launch into mixer or twin-screw into
Row is blended, and is uniformly mixed and obtains the raw material of porous structural；By weight, polymer B component and functional particles are weighed respectively, are thrown
It is put into mixer or twin-screw and is blended, be uniformly mixed and obtain the raw material of functional structure；
(2) it will launch after the raw material of porous structural and the raw material drying of functional structure into melt composite spinning machine, melting is spun
The functional composite fiber arranged side by side with special fiber section is made in silk；
(3) functional composite fiber arranged side by side obtained in step (2) is immersed in tap water, is immersed in moisture in fiber
Portion, do not heat or 35-100 DEG C of heating condition under, be dissolved into the dissolvable particle in porous structural in water；
(4) it washs, product obtained in step (3) is passed through into the distilled water of 30 ~ 80 DEG C of temperature and dehydrated alcohol elutes 4 ~ 8 times,
Remaining inorganic solute molecule is removed, porous type functional composite fiber arranged side by side is finally obtained.
9. the preparation method of porous type functional composite fiber arranged side by side according to claim 8, which is characterized in that described more
The fibre section of pass functional composite fiber arranged side by side is one of " H " type, " 8 " font, " 0 " font, " △ " type, " ◇ " type
Or it is a variety of, the distribution of SMD of hole is 100 ~ 5000nm on the porous structural.
10. the preparation method of porous type functional composite fiber arranged side by side according to claim 8, which is characterized in that described
The technological parameter of melt spinning: spinning temperature be 150 ~ 380 DEG C, spinning temperature fluctuation range be ± 1 DEG C, spinning pressure be 6 ~
50MPa, draw ratio are 1 ~ 5 times, and spinning speed is 1000 ~ 6000m/min.
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| CN111040152A (en) * | 2019-11-27 | 2020-04-21 | 浙江恒澜科技有限公司 | Preparation method of polyesteramide based on prepolymer and preparation method of polyesteramide fiber |
| CN111155180A (en) * | 2020-01-14 | 2020-05-15 | 北京服装学院 | Polylactic acid parallel composite fiber and preparation method thereof |
| CN111763998A (en) * | 2020-07-16 | 2020-10-13 | 常州纺兴精密机械有限公司 | Three-component parallel composite fiber and spinning assembly thereof |
| CN111763997A (en) * | 2020-07-16 | 2020-10-13 | 常州纺兴精密机械有限公司 | Three-component composite hollow fiber and spinning assembly thereof |
| CN112626639A (en) * | 2020-12-16 | 2021-04-09 | 四川大学 | Active carbon-loaded polyphenylene sulfide porous fiber and preparation method and application thereof |
| CN114908437A (en) * | 2022-05-20 | 2022-08-16 | 常熟市海立复合材料有限公司 | Moisture-conductive quick-drying self-crimping elastic fiber and preparation method and application thereof |
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