CN108978048A - Low elongation non-woven fabrics and its preparation method and application - Google Patents
Low elongation non-woven fabrics and its preparation method and application Download PDFInfo
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- CN108978048A CN108978048A CN201811156128.1A CN201811156128A CN108978048A CN 108978048 A CN108978048 A CN 108978048A CN 201811156128 A CN201811156128 A CN 201811156128A CN 108978048 A CN108978048 A CN 108978048A
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- woven fabrics
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
- D04H3/007—Addition polymers
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The present invention relates to a kind of low elongation non-woven fabrics and its preparation method and application, preparation method includes: using polypropylene chip as raw material, successively forms fine denier filament layer after screw extruder heating melting, filter device, metering pump, spinning die head, cooling drawing-off and sub-wire lapping；First layer fine denier filament layer is contacted after pressure roller precompressed at a temperature of first with the first chill roll to simultaneously fast cooling, then repeating said steps prepare the second layer and third layer, three layers of fine denier filament layer are closed into sizing by the high warm-rolling of milling train under second temperature again, then simultaneously fast cooling is contacted with the second chill roll, obtains low elongation non-woven fabrics.The preparation method of low elongation non-woven fabrics of the invention, fibre web form non-woven fabrics by certain temperature and under a certain pressure hot rolling, carry out shaping processing using chill roll, further increase the degree of orientation of fiber, be intended to it in the same direction；The raising of crystallinity can effectively improve the performance of fiber, and then improve the performance of non-woven fabrics.
Description
Technical field
The invention belongs to textile technology fields, and in particular to a kind of low elongation non-woven fabrics and its preparation method and application.
Background technique
Non-woven fabrics is made of fiber orient or random, is environment-friendly materials of new generation, is had moisture-proof, ventilative, soft
Tough, light, not combustion-supporting, easy the features such as decomposing, is nontoxic nonirritant, rich in color, cheap, recyclable.Nonwoven
Cloth breaches traditional weaving principle, and has that process flow is short, speed of production is fast, yield is high, at low cost, purposes extensively, raw material
The features such as source is more, therefore, in the past 20 years, non-woven fabrics industry has obtained rapid and alarming development, meanwhile, functional non-woven fabric
Also more and more applications have been obtained.Existing non-woven fabrics has the disadvantage in that (1) physical index performance is poor, insecure；(2) produce
The phenomenon that product surface evenness is poor, and there are uneven distributions；(4) durability and ageing-resistant difference, product becomes fragile after a period of time,
It is degradable；(5) production efficiency is low；(6) fiber orientation degree is not high, and fiber crystallization rate is slow, and non-woven fabrics degree of draft is high.
Summary of the invention
An object of the present invention is to provide a kind of preparation methods of low elongation non-woven fabrics.
The preparation method of low elongation non-woven fabrics of the invention, includes the following steps: S101: use containing melt index for
The material of the polypropylene chip of 35g/10min~55g/10min successively passes through screw extruder heating melting, mistake as raw material
Fine denier filament layer is formed after filtering device, metering pump, spinning die head, cooling drawing-off and sub-wire lapping；S102: first layer fine-denier is long
Silk layer contacts after pressure roller precompressed at a temperature of first with the first chill roll and fast cooling, then repeating said steps system
The standby second layer and third layer, then three layers of fine denier filament layer are closed into sizing by the high warm-rolling of milling train under second temperature, then with the
The contact of two chill rolls and fast cooling, obtain low elongation non-woven fabrics.
The preparation method of low elongation non-woven fabrics of the invention, fibre web is by 130 DEG C~150 DEG C temperature and in certain pressure
Lower hot rolling forms non-woven fabrics, carries out shaping processing using chill roll, further increases the degree of orientation of fiber, is intended to it together
To；The raising of crystallinity can effectively improve the performance of fiber, and then improve the performance of non-woven fabrics.
In addition, the preparation method of above-mentioned low elongation non-woven fabrics of the invention, can also have following additional technology special
Sign:
Further, in the step S101, the temperature of the spinning die head is 260 DEG C~280 DEG C.
Further, further include cooling masterbatch in the raw material in the step S101, the cooling masterbatch with it is described
The mass ratio of polypropylene chip is (0.5~3): 10.
Further, in the step S101, when cooling down drawing-off, the temperature of cooling wind is 10 DEG C~14 DEG C, drawing-off wind
Pressure is 0.1Mpa~0.2Mpa.
Further, in the step S102, first temperature is 100 DEG C~130 DEG C.
Further, in the step S102, the second temperature is 140 DEG C~150 DEG C.
Further, in the step S102, the temperature of first chill roll is 4 DEG C~14 DEG C, and described second is cold
But the temperature of roller is 4 DEG C~14 DEG C.
It is another object of the present invention to the low elongation non-woven fabrics for proposing that the preparation method obtains.
Another object of the present invention is to propose application of the non-woven fabrics in preparation fabrics product.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Specific embodiment
The embodiment of the present invention is described below in detail, the embodiment is exemplary, it is intended to it is used to explain the present invention, and
It is not considered as limiting the invention.
Embodiment 1
Embodiment 1 proposes a kind of low elongation non-woven fabrics, and preparation method includes the following steps:
(1) it uses that contain melt index be the material of the polypropylene chip of 35g/10min as raw material, successively passes through screw rod
Extruder heating melting, filter device, metering pump, temperature are 280 DEG C of spinning die head, then 10 DEG C cooling wind and
Cooling drawing-off under 0.2Mpa drawing-off wind pressure, using formation fine denier filament layer after sub-wire lapping.
(2) by first layer fine denier filament layer after pressure roller precompressed at a temperature of 100 DEG C with temperature be 14 DEG C first
Chill roll contact and fast cooling, then repeating said steps prepare the second layer and third layer, and three layers of fine denier filament layer are passed through
The high warm-rolling of milling train at a temperature of 140 DEG C closes sizing, then contacts simultaneously fast cooling with the second chill roll that temperature is 14 DEG C, obtains
Low elongation non-woven fabrics.
Embodiment 2
Embodiment 2 proposes a kind of low elongation non-woven fabrics, and preparation method includes the following steps:
(1) use contain melt index be the polypropylene chip of 55g/10min and cooling masterbatch material as raw material, institute
The mass ratio for stating cooling masterbatch and the polypropylene chip is 1:20, successively by screw extruder heating melting, filter device,
Metering pump, the spinning die head that temperature is 260 DEG C, the then cooling drawing-off under 14 DEG C of cooling wind and 0.1Mpa drawing-off wind pressure, then
Fine denier filament layer is formed after sub-wire lapping.
(2) by first layer fine denier filament layer after pressure roller precompressed at a temperature of 130 DEG C with temperature it is 4 DEG C first cold
But roller contact and fast cooling, then repeating said steps prepare the second layer and third layer, then three layers of fine denier filament layer are passed through
The high warm-rolling of milling train at a temperature of 150 DEG C closes sizing, then contacts simultaneously fast cooling with the second chill roll that temperature is 4 DEG C, obtains
Low elongation non-woven fabrics.
Embodiment 3
Embodiment 3 proposes a kind of low elongation non-woven fabrics, and preparation method includes the following steps:
(1) use that contain melt index be the polypropylene chip of 45g/10min and cooling masterbatch as raw material, the cooling
The mass ratio of master batch and the polypropylene chip is 3:10, successively passes through screw extruder heating melting, filter device, metering
Pump, the spinning die head that temperature is 270 DEG C, the then cooling drawing-off under 12 DEG C of cooling wind and 0.15Mpa drawing-off wind pressure, using
Fine denier filament layer is formed after sub-wire lapping.
(2) by first layer fine denier filament layer after pressure roller precompressed at a temperature of 115 DEG C with temperature it is 9 DEG C first cold
But roller contact and fast cooling, then repeating said steps prepare the second layer and third layer, then three layers of fine denier filament layer are passed through
The high warm-rolling of milling train at a temperature of 145 DEG C closes sizing, then contacts simultaneously fast cooling with the second chill roll that temperature is 9 DEG C, obtains
Low elongation non-woven fabrics.
To sum up, the preparation method of low elongation non-woven fabrics of the invention, fibre web pass through 140 DEG C of temperature and under a certain pressure
Hot rolling forms non-woven fabrics, carries out shaping processing using chill roll, further increases the degree of orientation of fiber, is intended to it together
To；The raising of crystallinity can effectively improve the performance of fiber, and then improve the performance of non-woven fabrics.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (9)
1. a kind of preparation method of low elongation non-woven fabrics, which comprises the steps of:
S101: using that contain melt index be the material of the polypropylene chip of 35g/10min~55g/10min as raw material, according to
It is secondary to be formed carefully after screw extruder heating melting, filter device, metering pump, spinning die head, cooling drawing-off and sub-wire lapping
Denier filament layer；
S102: first layer fine denier filament layer is contacted with the first chill roll after pressure roller precompressed at a temperature of first and quick
Cooling, then repeating said steps prepare the second layer and third layer, then by three layers of fine denier filament layer by rolling under second temperature
The high warm-rolling of machine closes sizing, and simultaneously fast cooling is then contacted with the second chill roll, obtains low elongation non-woven fabrics.
2. the preparation method of low elongation non-woven fabrics according to claim 1, which is characterized in that in the step S101
In, the temperature of the spinning die head is 260 DEG C~280 DEG C.
3. the preparation method of low elongation non-woven fabrics according to claim 1, which is characterized in that in the step S101
In, further include cooling masterbatch in the raw material, the mass ratio of the cooling masterbatch and the polypropylene chip is (0.5~3):
10。
4. the preparation method of low elongation non-woven fabrics according to claim 1, which is characterized in that in the step S101
In, when cooling down drawing-off, the temperature of cooling wind is 10 DEG C~14 DEG C, and drawing-off wind pressure is 0.1Mpa~0.2Mpa.
5. the preparation method of low elongation non-woven fabrics according to claim 1, which is characterized in that in the step S102
In, first temperature is 100 DEG C~130 DEG C.
6. the preparation method of low elongation non-woven fabrics according to claim 1, which is characterized in that in the step S102
In, the second temperature is 140 DEG C~150 DEG C.
7. the preparation method of low elongation non-woven fabrics according to claim 1, which is characterized in that in the step S102
In, the temperature of first chill roll is 4 DEG C~14 DEG C, and the temperature of second chill roll is 4 DEG C~14 DEG C.
8. the low elongation non-woven fabrics that the described in any item preparation methods of claim 1-7 obtain.
9. application of the described in any item non-woven fabrics of claim 1-8 in preparation fabrics product.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811156128.1A CN108978048B (en) | 2018-09-30 | 2018-09-30 | Low-elongation non-woven fabric and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811156128.1A CN108978048B (en) | 2018-09-30 | 2018-09-30 | Low-elongation non-woven fabric and preparation method and application thereof |
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| CN108978048A true CN108978048A (en) | 2018-12-11 |
| CN108978048B CN108978048B (en) | 2019-12-31 |
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| CN201811156128.1A Active CN108978048B (en) | 2018-09-30 | 2018-09-30 | Low-elongation non-woven fabric and preparation method and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112411022A (en) * | 2020-10-20 | 2021-02-26 | 常熟市森拓非织造布有限公司 | High-strength low-stretch high-water-absorptivity non-woven fabric and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1381619A (en) * | 2002-05-16 | 2002-11-27 | 山东省化学纤维研究所 | Antibacterial antistatic dyeable fine-denier polypropylkene filament |
| US20030032357A1 (en) * | 2001-08-02 | 2003-02-13 | Bba Nonwovens Simpsonville, Inc. | Spunbond nonwoven fabrics from reclaimed polymer and the manufacture thereof |
| CN102154714A (en) * | 2011-01-13 | 2011-08-17 | 泉州市东翔化工轻纺有限公司 | Process method for producing polypropylene filament and polypropylene fiber non-woven fabric by using waste PP (polypropylene) plastic |
| CN107780047A (en) * | 2017-08-23 | 2018-03-09 | 山东荣泰新材料科技有限公司 | Preparation method, elastic non-woven cloth and its application of elastic non-woven cloth |
-
2018
- 2018-09-30 CN CN201811156128.1A patent/CN108978048B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030032357A1 (en) * | 2001-08-02 | 2003-02-13 | Bba Nonwovens Simpsonville, Inc. | Spunbond nonwoven fabrics from reclaimed polymer and the manufacture thereof |
| CN1381619A (en) * | 2002-05-16 | 2002-11-27 | 山东省化学纤维研究所 | Antibacterial antistatic dyeable fine-denier polypropylkene filament |
| CN102154714A (en) * | 2011-01-13 | 2011-08-17 | 泉州市东翔化工轻纺有限公司 | Process method for producing polypropylene filament and polypropylene fiber non-woven fabric by using waste PP (polypropylene) plastic |
| CN107780047A (en) * | 2017-08-23 | 2018-03-09 | 山东荣泰新材料科技有限公司 | Preparation method, elastic non-woven cloth and its application of elastic non-woven cloth |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112411022A (en) * | 2020-10-20 | 2021-02-26 | 常熟市森拓非织造布有限公司 | High-strength low-stretch high-water-absorptivity non-woven fabric and preparation method thereof |
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| CN108978048B (en) | 2019-12-31 |
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