CN112030254A - Microporous fiber and manufacturing method thereof - Google Patents
Microporous fiber and manufacturing method thereof Download PDFInfo
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- CN112030254A CN112030254A CN202010888704.2A CN202010888704A CN112030254A CN 112030254 A CN112030254 A CN 112030254A CN 202010888704 A CN202010888704 A CN 202010888704A CN 112030254 A CN112030254 A CN 112030254A
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- Prior art keywords
- fiber
- hot melting
- fiber body
- wall
- melting material
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- 239000000835 fiber Substances 0.000 title claims abstract description 100
- 238000004519 manufacturing process Methods 0.000 title claims description 18
- 239000004744 fabric Substances 0.000 claims abstract description 37
- 239000003795 chemical substances by application Substances 0.000 claims description 41
- 239000000463 material Substances 0.000 claims description 41
- 238000002844 melting Methods 0.000 claims description 24
- 230000008018 melting Effects 0.000 claims description 24
- 239000002245 particle Substances 0.000 claims description 22
- 238000005422 blasting Methods 0.000 claims description 20
- 239000000919 ceramic Substances 0.000 claims description 14
- 150000003839 salts Chemical class 0.000 claims description 14
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 12
- 238000005507 spraying Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 239000012943 hotmelt Substances 0.000 claims description 7
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 5
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 5
- JYYOBHFYCIDXHH-UHFFFAOYSA-N carbonic acid;hydrate Chemical group O.OC(O)=O JYYOBHFYCIDXHH-UHFFFAOYSA-N 0.000 claims description 4
- 238000001914 filtration Methods 0.000 abstract description 8
- 230000001788 irregular Effects 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 3
- 239000008187 granular material Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
Images
Classifications
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Filtering Materials (AREA)
Abstract
The application relates to a microporous fiber, including the fiber body be equipped with a plurality of groups of holes on the fiber body outer wall, the hole is irregular distribution on the fiber body outer wall, through be equipped with a plurality of groups of holes on the fiber body outer wall, the hole is irregular distribution on the fiber body outer wall, has increased the surface area of fiber body, has improved the filtration efficiency of melt-blown cloth.
Description
Technical Field
The present application relates to fiber manufacturing, and more particularly, to a microporous fiber and a method of manufacturing the same.
Background
Melt-blown fabrics have been widely used in the manufacture of filtration, cloth, cleaning articles. The market demand is large.
The melt-blown fabric requires a high filtration rate due to its functional use. The diameter of the fiber is drawn to be thinner, the strength of the melt-blown fabric is reduced, the strength is ensured, the compactness of the melt-blown fabric needs to be improved, and the air resistance of the melt-blown fabric is increased in turn. The series of contradictions bring difficulty to the production and operation processes.
Disclosure of Invention
In order to improve the filtration efficiency of the fiber, the present application provides a microporous fiber and a method for manufacturing the same.
The application provides a microporous fiber adopts following technical scheme:
the microporous fiber comprises a fiber body, wherein a plurality of groups of holes are arranged on the outer wall of the fiber body, and the holes are irregularly distributed on the outer wall of the fiber body.
Through adopting above-mentioned technical scheme, through be equipped with a plurality of groups of holes on the fibre body outer wall, the hole is irregular distribution on the fibre body outer wall, has increased the surface area of fibre body, has improved the filtration efficiency of melt-blown fabric.
Preferably, the voids extend through the body of the fiber.
Preferably, the voids do not extend through the fiber body.
Preferably, the outer wall of the fiber body is respectively provided with a cavity penetrating through the fiber body and a cavity not penetrating through the fiber body, and the non-penetrating cavities and the penetrating cavities are distributed irregularly in a staggered manner.
Through adopting above-mentioned technical scheme, through setting up the hole into the combination that runs through or not run through or run through and not run through, through such setting, simple structure, convenient operation has further improved the surface area of fibre body, has improved the filtration efficiency of melt-blown cloth.
Preferably, the cavity inner wall is circular-arc setting, and integrated into one piece has a plurality of groups rupture disk on the cavity inner wall, the rupture disk stretches out outside the cavity, the one end that the rupture disk stretches out outside the cavity is irregular setting.
Through adopting above-mentioned technical scheme, there are a plurality of groups rupture discs through integrated into one piece on the cavity inner wall, outside the rupture disc stretches out the cavity, through such setting, simple structure, convenient operation has further improved the surface area of fibre body, has further improved the filtration efficiency of melt-blown fabric.
A method of making a microporous fiber comprising the steps of:
step one, adding a blasting agent which can generate gas after being heated into a hot melting material;
fully mixing the blasting agent and the hot melting material, and then spraying out the mixture through a material spraying mechanism;
and step three, under the action of the temperature of the hot melt material and hot wind, the blasting agent is heated to generate gas to expand, and a cavity is generated on the outer wall of the fiber body.
Through adopting above-mentioned technical scheme, through adding the blasting agent in the hot melt material, blasting agent and hot melt material intensive mixing, after spouting material mechanism blowout, the blasting agent is heated and is produced gas to produce the hole on the fibre body outer wall, through such setting, simple structure, convenient operation has made things convenient for the operator to form the hole on the fibre body outer wall.
Preferably, the blasting agent is selected from water or sodium bicarbonate.
Through adopting above-mentioned technical scheme, through selecting for use water or sodium bicarbonate with the blasting agent, water is heated steam, and sodium bicarbonate is decomposed into carbon dioxide and steam and sodium carbonate after being heated, then washes the sodium carbonate on the fibre through clear water, through such setting, simple structure, convenient operation has reduced the influence of blasting agent to the fibre, has reduced the residue of blasting agent.
A method for manufacturing microporous fibers comprises the following steps,
step one, adding a dissolving agent which can be dissolved in a solvent into a hot melting material;
fully mixing the dissolving agent and the hot melting material, and then spraying out the mixture through a material spraying mechanism;
step three, after the hot melting material is sprayed out and forms fiber cloth, cleaning the fiber cloth, and dissolving a dissolving agent in a solvent;
and step four, cleaning, namely cleaning the fiber cloth subjected to the step three, and washing off the dissolving agent remained on the surface of the fiber cloth.
Through adopting above-mentioned technical scheme, mix the dissolving agent in hot melt material, after forming fibre cloth, wash fibre cloth, dissolve the dissolving agent on the fibre cloth, form the cavity after the dissolving agent dissolves, through such setting, simple structure, convenient operation has made things convenient for the operator to form the cavity on the fibre surface.
Preferably, the dissolving agent in the step 1 is sodium carbonate, and the solvent is water.
Through adopting above-mentioned technical scheme, through setting up the dissolving agent into sodium carbonate, select the solvent as water, through such setting, simple structure, convenient operation has made things convenient for and has all dissolved the dissolving agent, has reduced the influence of dissolving agent to the user.
A method for manufacturing microporous fibers comprises the following steps,
step one, adding nano ceramic particles or water-insoluble salt particles into a hot melting material;
step two, fully mixing the hot melting material with the nano ceramic particles or the water-insoluble salt particles, and then ejecting the mixture through a material ejecting mechanism;
and step three, after the hot melting material is sprayed out and forms fiber cloth, washing the fiber cloth, and stripping away the nano ceramic particles or the water-insoluble salt particles in the fiber cloth.
Through adopting above-mentioned technical scheme, through adding nano ceramic granule or non-water-soluble salt granule in the hot melt material, after forming the fibre cloth, wash fibre cloth through the high pressure water, wash out nano ceramic granule or non-water-soluble salt granule, retrieve nano ceramic granule or non-water-soluble salt granule reuse, through such setting, simple structure, convenient operation has made things convenient for the operator to the recycle of nano ceramic granule or non-water-soluble salt granule, made things convenient for the operator to form the hole on the fibre outer wall.
In summary, the present application includes at least one of the following beneficial technical effects:
the surface area of the fiber body is increased, and the filtration efficiency of the melt-blown fabric is improved;
the operator can conveniently form a cavity on the outer wall of the fiber body;
the influence of the blasting agent on the fiber is reduced, and the residue of the blasting agent is reduced.
Drawings
Fig. 1 is a schematic overall structure diagram of a first embodiment of the present application.
Fig. 2 is a schematic overall structure diagram of a second embodiment of the present application.
Fig. 3 is a schematic overall structure diagram of a third embodiment of the present application.
Fig. 4 is a schematic overall structure diagram of a fourth embodiment of the present application.
Description of reference numerals: 1. a fiber body; 2. a cavity; 3. a rupture disk.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a microporous fiber and a manufacturing method thereof.
The embodiment of the application discloses a microporous fiber and a manufacturing method thereof.
As shown in fig. 1, a microporous fiber comprises a fiber body 1, wherein a plurality of groups of cavities 2 are formed in the outer wall of the fiber body 1, and the groups of cavities 2 are irregularly arranged on the outer wall of the fiber body 1.
As shown in fig. 1, the voids 2 do not extend through the fiber body 1.
The second embodiment is different from the first embodiment in that: as shown in fig. 2, the voids extend through the fiber body 1.
The third embodiment is different from the first embodiment in that: as shown in fig. 3, a combination of through voids 2 and non-through voids 2 is provided on the outer wall of the fiber body 1, and the through voids 2 and the non-through voids 2 are irregularly distributed with a displacement therebetween.
The fourth embodiment is different from the first to third embodiments in that, as shown in fig. 4, a plurality of groups of rupture discs 3 are integrally formed on the inner wall of the cavity 2, one end of each rupture disc 3 extends out of the cavity 2, and one end of each rupture disc 3 extending out of the cavity 2 is irregularly arranged.
Embodiment five, a manufacturing method for manufacturing the microporous fiber described in the above embodiments one to three, comprising the steps of:
step one, adding a dissolving agent which can be dissolved in a solvent into a hot melting material;
fully mixing the dissolving agent and the hot melting material, and then spraying out the mixture through a material spraying mechanism;
step three, after the hot melting material is sprayed out and forms fiber cloth, cleaning the fiber cloth, and dissolving a dissolving agent in a solvent;
and step four, cleaning, namely cleaning the fiber cloth subjected to the step three, and washing off the dissolving agent remained on the surface of the fiber cloth.
The dissolving agent in the first step is sodium carbonate, and the solvent is water.
Sixth, a method for manufacturing the microporous fiber described in the first to third embodiments, comprising the steps of:
adding nano ceramic particles or water-insoluble salt particles into a hot melting material, wherein the nano ceramic particles adopt silicon dioxide particles, and the water-insoluble salt particles adopt calcium carbonate particles;
step two, fully mixing the hot melting material with the nano ceramic particles or the water-insoluble salt particles, and then ejecting the mixture through a material ejecting mechanism;
and step three, after the hot melting material is sprayed out and forms fiber cloth, washing the fiber cloth, and stripping away the nano ceramic particles or the water-insoluble salt particles in the fiber cloth.
Example seven, a method for making the microporous fiber described in example four above, comprising the steps of,
adding a blasting agent which can generate gas after being heated into a hot-melt material, wherein the blasting agent is water or sodium bicarbonate;
fully mixing the blasting agent and the hot melting material, and then spraying out the mixture through a material spraying mechanism;
and step three, under the action of the temperature of the hot melting material and hot wind, the blasting agent is heated to generate gas to expand, and a cavity 2 is generated on the outer wall of the fiber body 1.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A microporous fiber, characterized by: the fiber body comprises a fiber body (1), wherein a plurality of groups of cavities (2) are arranged on the outer wall of the fiber body (1), and the cavities (2) are irregularly distributed on the outer wall of the fiber body (1).
2. A microcellular fiber according to claim 1, wherein: the cavity (2) penetrates through the fiber body (1).
3. A microcellular fiber according to claim 1, wherein: the voids (2) do not extend through the fiber body (1).
4. A microcellular fiber according to claim 1, wherein: the outer wall of the fiber body (1) is respectively provided with a hole (2) which penetrates through the fiber body (1) and does not penetrate through the fiber body (1), and the hole (2) which does not penetrate through and the hole (2) which penetrates through are distributed irregularly in a staggered manner.
5. A microcellular fiber according to any one of claims 2 to 4, wherein: a plurality of groups of rupture discs (3) are integrally formed on the inner wall of the cavity (2), the rupture discs (3) extend out of the cavity (2), and one ends of the rupture discs (3) extending out of the cavity (2) are irregularly arranged.
6. A method of making a microcellular fiber according to claim 5, wherein: the method comprises the following steps:
step one, adding a blasting agent which can generate gas after being heated into a hot melting material;
fully mixing the blasting agent and the hot melting material, and then spraying out the mixture through a material spraying mechanism;
and step three, under the action of the temperature of the hot melt material and hot wind, the blasting agent is heated to generate gas to expand, and a cavity (2) is generated on the outer wall of the fiber body (1).
7. The method of claim 6, wherein: the blasting agent is selected from water or sodium bicarbonate.
8. A method of making a microporous fiber according to any of claims 2-4, wherein: comprises the following steps of (a) carrying out,
step one, adding a dissolving agent which can be dissolved in a solvent into a hot melting material;
fully mixing the dissolving agent and the hot melting material, and then spraying out the mixture through a material spraying mechanism;
step three, after the hot melting material is sprayed out and forms fiber cloth, cleaning the fiber cloth, and dissolving a dissolving agent in a solvent;
and step four, cleaning, namely cleaning the fiber cloth subjected to the step three, and washing off the dissolving agent remained on the surface of the fiber cloth.
9. The method of claim 8, wherein: the dissolving agent in the step 1 is sodium carbonate, and the solvent is water.
10. A method of making a microporous fiber according to claims 2-4, wherein: comprises the following steps of (a) carrying out,
step one, adding nano ceramic particles or water-insoluble salt particles into a hot melting material;
step two, fully mixing the hot melting material with the nano ceramic particles or the water-insoluble salt particles, and then ejecting the mixture through a material ejecting mechanism;
and step three, after the hot melting material is sprayed out and forms fiber cloth, washing the fiber cloth, and stripping away the nano ceramic particles or the water-insoluble salt particles in the fiber cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010888704.2A CN112030254A (en) | 2020-08-28 | 2020-08-28 | Microporous fiber and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010888704.2A CN112030254A (en) | 2020-08-28 | 2020-08-28 | Microporous fiber and manufacturing method thereof |
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| CN112030254A true CN112030254A (en) | 2020-12-04 |
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| US5746916A (en) * | 1994-01-26 | 1998-05-05 | Mitsubishi Rayon Co., Ltd. | Microporous membrane made of non-crystalline polymers and method of producing the same |
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Application publication date: 20201204 |