CN108842307A - A kind of fluffy elastic non-woven cloth production process - Google Patents
A kind of fluffy elastic non-woven cloth production process Download PDFInfo
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- CN108842307A CN108842307A CN201810760368.6A CN201810760368A CN108842307A CN 108842307 A CN108842307 A CN 108842307A CN 201810760368 A CN201810760368 A CN 201810760368A CN 108842307 A CN108842307 A CN 108842307A
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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
- D04H3/018—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the shape
-
- 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
- D04H3/14—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 yarns or filaments produced by welding
- D04H3/147—Composite yarns or filaments
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
- Woven Fabrics (AREA)
Abstract
The invention discloses a kind of fluffy elastic non-woven cloth production process, it is by low-crystalline polypropylene and thermoplastic elastomer (TPE) uniform stirring, the first component screw extruder, which is delivered to, by vacuum charging system carries out melt extruded, hot melt is obtained, is delivered to spinning manifold arranged side by side using melt filtration, melt-stoichiometry；By metallocene catalysis polypropylene and thermoplastic elastomer (TPE) uniform stirring, the second component screw extruder is delivered to by vacuum charging system and carries out melt extruded, hot melt is obtained, is delivered to spinning manifold arranged side by side using melt filtration, melt-stoichiometry；Two kinds of melts, which enter after spinning manifold, carries out spinning by filament spinning component arranged side by side, by side-blown cooling, drawing-off, obtain certain fineness micro- bullet, while high-elastic coiled-coil fiber and lapping, on-line heating activation processing, it allows and web is delivered to hot-rolling mill by mesh belt after the further helix-coil of fiber carries out hot calendering bonding, fluffy elastic non-woven is obtained into winder through cooling and shaping.
Description
Technical field
The present invention relates to non-woven production technical fields, more particularly to a kind of fluffy elastic non-woven cloth production process.
Background technique
Non-woven cloth is a kind of environment-friendly type new material, has that air permeable waterproof, environment-protecting and non-poisonous, process flow is short, yield is high etc.
Feature is now widely used in the fields such as disposable personal hygiene article, medical treatment, filtering, industrial protection, packaging.
The non-woven cloth of different characteristics is used in different field, and conventional nonwoven cloth lacks flexibility at this stage, is not able to satisfy people
Life requirement.The elastic non-woven of traditional handicraft production is among two layers of common spun-bonded non-woven plus one layer of elasticity
Film or spandex thread, are closed by gluing, to realize retractility, flexibility.Not only complex process, at high cost, gas permeability is bad, soft
Soft sense of touch is also unobvious, is not able to satisfy the market demand.
Summary of the invention
The object of the present invention is to provide a kind of fluffy elastic non-woven cloth production process, to overcome current elastic non-woven
Deficiency realize superior bulkiness, gas permeability, flexibility under the premise of guaranteeing good elastic effect, meet people and city
Field demand, and simple production process, it is easy to operate.
A kind of fluffy elastic non-woven cloth production process, includes the following steps：
(1) by melt index (MFR) be 30-45g/10min low-crystalline polypropylene, melt index (MFR) be 70-
The soft additive and melt index (MFR) of 120g/10min is the thermoplastic elastomer (TPE) uniform stirring of 20-50g/10min, is led to
It crosses vacuum charging system and is delivered to the first component screw extruder progress melt extruded, obtain hot melt, wherein the temperature of screw rod
It is 225-240 DEG C, the revolving speed of screw rod is 35-70rpm/min, and the torque of screw rod is 50-70N；
(2) hot melt that step (1) obtains is delivered to spinning manifold arranged side by side by melt filtration, melt-stoichiometry；Wherein,
Fondant filter and melt-stoichiometry temperature are 220-240 DEG C, and metering pump operating pressure is 50-75bar；
(3) by melt index (MFR) be 50-2000g/10min metallocene catalysis polypropylene, melt index (MFR) be
The soft additive and melt index (MFR) of 600-1000g/10min is that 50-220g/10min thermoplastic elastomer (TPE) uniformly stirs
It mixes, the second component screw extruder is delivered to by vacuum charging system and carries out melt extruded, obtains hot melt, wherein screw rod
Temperature be 200-230 DEG C, the revolving speed of screw rod is 45-75rpm/min, and the torque of screw rod is 30-80N；
(4) hot melt that step (3) obtain is delivered to spinning manifold arranged side by side by melt filtration, melt-stoichiometry；Melt
Filter and melt-stoichiometry temperature are 200-225 DEG C, and metering pump operating pressure is 50-75bar；
(5) two kinds of melts are controlled by metering pump speed, are entered after spinning manifold by filament spinning component arranged side by side according to a certain percentage
Spinning is carried out, thermo-fuse is obtained；Wherein, the temperature of spinning manifold is 210-225 DEG C, and the spinning plate aperture of spinning manifold is 0.5-
0.6mm, every hole extrusion output are 0.3-0.8g/min；
(6) thermo-fuse pass through side-blown cooling, drawing-off, obtain certain fineness micro- bullet, while high-elastic and section be simultaneously
The coiled-coil fiber of array structure or eccentric structure, wherein cooling wind temperature is 22-28 DEG C, draft speed 3000-
6000m/min, fibre fineness are 13-18 μm；
(7) fiber for obtaining step (6) by mesh-belt conveying to online hot wind activation system, at on-line heating activation
Reason, allows the further helix-coil of fiber；Wherein, 120-180 DEG C of hot blast temperature, activation system air outlet are apart from web height
60mm-350mm, hot wind air quantity are 1000-3000m3/h；
(8) it is thermally bonded after the completion of activating into hot-rolling mill, wherein roller temperature is 100-165 DEG C, pressure 60-
140daN/cm, raised point height of rolling is 0.8-1.2mm, and the area rolled a little is 8-13%.
(9) it after the completion of hot rolling, is formed into chill roll, is wound entering up- coiler, obtain fluffy elastic non-woven.
Fluffy elastic non-woven cloth production process of the present invention, wherein in the step (1), thermoplastic elastomer (TPE)
The mass ratio for accounting for all raw materials in step (1) is 5-30%.
Fluffy elastic non-woven cloth production process of the present invention, wherein in the step (1), soft additive is accounted for
The mass ratio of all raw materials is 1-5% in step (1).
Fluffy elastic non-woven cloth production process of the present invention, wherein in the step (3), thermoplastic elastomer (TPE)
The mass ratio for accounting for all raw materials in step (3) is 40-90%.
Fluffy elastic non-woven cloth production process of the present invention, wherein in the step (3), soft additive is accounted for
The mass ratio of all raw materials is 2-8% in step (3).
Fluffy elastic non-woven cloth production process of the present invention, wherein in the step (5), two kinds of hot melts
Mass ratio is 50:50 or 40:60 or 30:70.
Fluffy elastic non-woven cloth production process of the present invention, wherein the section of fiber made from the step (6)
For circle, and two kinds of groups are divided into parallel construction or eccentric structure.
Compared with the existing technology, protrusion effect of the invention is：
Traditional elastic non-woven cloth has the rubber sense similar to elastic membrane, plasticizing sense although there is preferable elasticity, and
Cloth cover is flat, poor air permeability.Not only elasticity is good for fluffy elastic non-woven of the invention, at the same have superior fluffy, gas permeability,
Flexibility has both higher mechanical property, and simple production process, easy to operate.
Explanation and specific embodiment make fluffy elastic non-woven cloth production process of the present invention with reference to the accompanying drawing
It further illustrates.
Detailed description of the invention
Fig. 1 is the first-born production. art flow diagram of spun-bond process two-component single mode.
1,5- feed hopper；2,6- extruder；3,7- filter；4,8- metering pump；9- spinneret cabinet；The side-blown bellows of 10-；
11- extension apparatus；12- lapper；13- hot bellows；14- hot-rolling mill；15- cooler；16- oiling machine；17- dryer；18- winding
Machine.
Specific embodiment
Embodiment 1
As shown in connection with fig. 1, a kind of fluffy elastic non-woven cloth production process, includes the following steps：
(1) the low-crystalline polypropylene for being 30-45g/10min by melt index (MFR), melt index (MFR) are 70-
The soft additive and melt index (MFR) of 120g/10min is the thermoplastic elastomer (TPE) uniform stirring of 20-50g/10min, is led to
It crosses vacuum charging system and is delivered to the first component screw extruder progress melt extruded, obtain hot melt, wherein the temperature of screw rod
It is 225-240 DEG C, the revolving speed of screw rod is 35-70rpm/min, and the torque of screw rod is 50-70N；The quality of thermoplastic elastomer (TPE) point
Number is 5%；The mass fraction of soft additive is 1.5%.
(2) hot melt that step (1) obtains is delivered to spinning manifold arranged side by side by melt filtration, melt-stoichiometry；Wherein,
Fondant filter and melt-stoichiometry temperature are 220-240 DEG C, and metering pump operating pressure is 50-75bar；
(3) by melt index (MFR) be 20-2000g/10min metallocene catalysis polypropylene, melt index (MFR) be
The soft additive and melt index (MFR) of 600-1000g/10min is that 50-220g/10min thermoplastic elastomer (TPE) uniformly stirs
It mixes, the second component screw extruder is delivered to by vacuum charging system and carries out melt extruded, obtains hot melt, wherein screw rod
Temperature be 200-230 DEG C, the revolving speed of screw rod is 45-75rpm/min, and the torque of screw rod is 30-80N；Thermoplastic elastomer (TPE)
Mass fraction is 70%；The mass fraction of soft additive is 5%.
(4) hot melt that step (3) obtain is delivered to spinning manifold arranged side by side by melt filtration, melt-stoichiometry；Melt
Filter and melt-stoichiometry temperature are 200-225 DEG C, and metering pump operating pressure is 50-75bar；
(5) two kinds of melts are controlled by metering pump speed, are entered after spinning manifold by filament spinning component arranged side by side according to a certain percentage
Spinning is carried out, thermo-fuse is obtained；Wherein, the temperature of spinning manifold is 210-225 DEG C, and the spinning plate aperture of spinning manifold is 0.5-
0.6mm, every hole extrusion output are 0.3-0.8g/min；The mass ratio of two kinds of hot melts is 50:50.
(6) thermo-fuse pass through side-blown cooling, drawing-off, obtain certain fineness micro- bullet, while high-elastic and section be simultaneously
The coiled-coil fiber of array structure or eccentric structure, wherein cooling wind temperature is 22-28 DEG C, draft speed 3000-
6000m/min, fibre fineness are 13-18 μm；The section of fiber is circle；
(7) fiber for obtaining step (6) by mesh-belt conveying to online hot wind activation system, at on-line heating activation
Reason, allows the further helix-coil of fiber；Wherein, 120-180 DEG C of hot blast temperature, activation system air outlet are apart from web height
60mm-350mm, hot wind air quantity are 1000-3000m3/h；
(8) it is thermally bonded after the completion of activating into hot-rolling mill, wherein roller temperature is 100-165 DEG C, pressure 60-
140daN/cm, raised point height of rolling is 0.8-1.2mm, and the area ratio rolled a little is 8-13%.
(9) it after the completion of hot rolling, is formed into chill roll, is wound entering up- coiler, obtain fluffy elastic non-woven.
Embodiment 2
Compared with Example 1, technical arrangement plan is as follows：
In step (1), the mass fraction of thermoplastic elastomer (TPE) is 15%；The mass fraction of soft additive is 3%.
In step (3), the mass fraction of thermoplastic elastomer (TPE) is 80%；The mass fraction of soft additive is 7%.
In step (5), the mass ratio of two kinds of hot melts is 40:60.
Remaining process conditions and parameter remain unchanged.
Embodiment 3
Compared with Example 1, technical arrangement plan is as follows：
In step (1), the mass fraction of thermoplastic elastomer (TPE) is 20%；The mass fraction of soft additive is 3%.
In step (3), the mass fraction of thermoplastic elastomer (TPE) is 90%；The mass fraction of soft additive is 5%.
In step (5), the mass ratio of two kinds of hot melts is 30:70.
Remaining process conditions and parameter remain unchanged.
Embodiment 4
Compared with Example 1, technical arrangement plan is as follows：
In step (1), the mass fraction of thermoplastic elastomer (TPE) is 10%；The mass fraction of soft additive is 2%.
In step (3), the mass fraction of thermoplastic elastomer (TPE) is 60%；The mass fraction of soft additive is 3%.
In step (5), the mass ratio of two kinds of hot melts is 45:55.
Remaining process conditions and parameter remain unchanged.
Embodiment 5
Compared with Example 1, technical arrangement plan is as follows：
In step (1), the mass fraction of thermoplastic elastomer (TPE) is 20%；The mass fraction of soft additive is 5%.
In step (3), the mass fraction of thermoplastic elastomer (TPE) is 80%；The mass fraction of soft additive is 6%.
In step (5), the mass ratio of two kinds of hot melts is 35:65.
Remaining process conditions and parameter remain unchanged.
For prominent beneficial effects of the present invention, following comparative example test has also been carried out.
Comparative example 1
The production method of traditional elastic non-woven cloth, includes the following steps：
(1) the prefabricated common spun-bonded non-woven of bottom is unreeled；
(2) elastic membrane or spandex thread pre-stretching；
(3) glue spraying is to spandex thread surface；
(4) prefabricated upper layer Pu Song spun-bonded non-woven is unreeled；
(5) trilaminate material is compound；
(6) cooling squeeze carries out glue bond；
(7) it winds.
Comparative example 2
Compared with Example 1, technical arrangement plan is as follows：
Wherein, in step (1), the melt index (MFR) of thermoplastic elastomer (TPE) is 50g/10min, extruder temperature 245
DEG C, soft additives ratio is 0.5%
In step (2), fondant filter and melt-stoichiometry temperature are 245 DEG C
In step (3), the melt index (MFR) of thermoplastic elastomer (TPE) is 25g/10min, and soft additives ratio is
1.5%
In step (4), fondant filter and melt-stoichiometry temperature are 245 DEG C
In step (5), spinning body temperature is 235 DEG C
In step (6), cooling wind temperature is 18 DEG C
Remaining process conditions and parameter remain unchanged.
Comparative example 3
Compared with Example 1, technical arrangement plan is as follows：
Wherein, in step (1), thermoplastic elastomer (TPE) ratio is 35%, and extruder temperature is 220 DEG C
In step (2), fondant filter and melt-stoichiometry temperature are 215 DEG C
In step (3), thermoplastic elastomer (TPE) ratio is 95%, and extruder temperature is 235 DEG C
In step (5), spinning body temperature is 230 DEG C
In step (6), cooling wind temperature is 20 DEG C
In step (7), hot blast temperature is 200 DEG C,
Remaining process conditions and parameter remain unchanged.
Fluffy elastic non-woven made from embodiment 1-5 is subjected to performance pair with non-woven cloth made from comparative example 1-3
Than see the table below 1.
Table 1
From the Experimental comparison results of upper table：Embodiment 1-4 bulkiness, flexibility, gas permeability are all relatively outstanding, whole
Compare balance.There is no problem for 1 bulkiness of comparative example, and gas permeability and pliability performance are poor, and comparative example 2,3 flexibilities are fine, but
Gas permeability and fluffy sex expression are poor.
Elasticity performance test is compared using ASTM D5459 test method, is shown in Table 2：
Table 2
From the Experimental comparison results of upper table：Embodiment 1-5 elasticity is superior, and resilience is preferable.The MD and CD of comparative example 1
Elastic effect is poor, and stability is bad.2 elastic effect of comparative example is bad, and 3 elastic effect of comparative example is preferable.
Consolidated statement 1,2 performance data of table, the elasticity of embodiment 1-5, bulkiness, gas permeability, flexibility are superior, relatively
It balances, has short slab in the overall merit performance of comparative example 1-3.
Embodiment described above only describe the preferred embodiments of the invention, not to model of the invention
It encloses and is defined, without departing from the spirit of the design of the present invention, those of ordinary skill in the art are to technical side of the invention
The various changes and improvements that case is made should all be fallen into the protection scope that claims of the present invention determines.
Claims (8)
1. a kind of fluffy elastic non-woven cloth production process, which is characterized in that include the following steps：
(1) by melt index MFR be 30-45g/10min low-crystalline polypropylene, melt index MFR be 70-120g/10min
Soft additive and melt index MFR be 20-50g/10min thermoplastic elastomer (TPE) uniform stirring, pass through vacuum feeding system
System is delivered to the first component screw extruder and carries out melt extruded, obtains hot melt, wherein and the temperature of screw rod is 225-240 DEG C,
The revolving speed of screw rod is 35-70rpm/min, and the torque of screw rod is 50-70N；
(2) hot melt that step (1) obtains is delivered to spinning manifold arranged side by side by melt filtration, melt-stoichiometry；Wherein, melt
Filter and melt-stoichiometry temperature are 220-240 DEG C, and metering pump operating pressure is 50-75bar；
(3) by melt index MFR be 50-2000g/10min metallocene catalysis polypropylene, melt index MFR be 600-
The soft additive and melt index MFR of 1000g/10min is 50-220g/10min thermoplastic elastomer (TPE) uniform stirring, is passed through
Vacuum charging system is delivered to the second component screw extruder and carries out melt extruded, obtains hot melt, wherein the temperature of screw rod is
200-230 DEG C, the revolving speed of screw rod is 45-75rpm/min, and the torque of screw rod is 30-80N；
(4) hot melt that step (3) obtain is delivered to spinning manifold arranged side by side by melt filtration, melt-stoichiometry；Melt filtration
Device and melt-stoichiometry temperature are 200-225 DEG C, and metering pump operating pressure is 50-75bar；
(5) two kinds of melts are controlled by metering pump speed, are carried out after entering spinning manifold according to a certain percentage by filament spinning component arranged side by side
Spinning obtains thermo-fuse；Wherein, the temperature of spinning manifold is 210-225 DEG C, and the spinning plate aperture of spinning manifold is 0.5-
0.6mm, every hole extrusion output are 0.3-0.8g/min；
(6) thermo-fuse pass through side-blown cooling, drawing-off, obtain certain fineness micro- bullet, while high-elastic and section be to tie side by side
The coiled-coil fiber of structure or eccentric structure, wherein cooling wind temperature is 22-28 DEG C, draft speed 3000-6000m/
Min, fibre fineness are 13-18 μm；
(7) fiber for obtaining step (6) is allowed by mesh-belt conveying to online hot wind activation system, on-line heating activation processing
The further helix-coil of fiber；Wherein, 120-180 DEG C of hot blast temperature, activation system air outlet are 60mm- apart from web height
350mm, hot wind air quantity are 1000-3000m3/h；
(8) it is thermally bonded after the completion of activating into hot-rolling mill, wherein roller temperature is 100-165 DEG C, pressure 60-
140daN/cm, raised point height of rolling is 0.8-1.2mm, and the area rolled a little is 8-13%,
(9) it after the completion of hot rolling, is formed into chill roll, is wound entering up- coiler, obtain fluffy elastic non-woven.
2. fluffy elastic non-woven cloth production process according to claim 1, it is characterised in that：In the step (1), heat
The mass ratio that thermoplastic elastic accounts for all raw materials in step (1) is 5-30%.
3. fluffy elastic non-woven cloth production process according to claim 2, it is characterised in that：It is soft in the step (1)
The mass ratio that soft additive accounts for all raw materials in step (1) is 1-5%.
4. fluffy elastic non-woven cloth production process according to claim 3, it is characterised in that：In the step (3), heat
The mass ratio that thermoplastic elastic accounts for all raw materials in step (3) is 40-90%.
5. fluffy elastic non-woven cloth production process according to claim 4, it is characterised in that：It is soft in the step (3)
The mass ratio that soft additive accounts for all raw materials in step (3) is 2-8%.
6. fluffy elastic non-woven cloth production process according to claim 5, it is characterised in that：In the step (5), two
The mass ratio of kind hot melt is 50:50 or 40:60 or 30:70.
7. fluffy elastic non-woven cloth production process according to claim 6, it is characterised in that：The step (6) is made
The section of fiber be circle, and two kinds of groups are divided into parallel construction or eccentric structure.
8. fluffy elastic non-woven cloth production process according to claim 6, it is characterised in that：The step (6) is made
The section of fiber be triangle, and two kinds of groups are divided into laid out in parallel structure.
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| CN112095230A (en) * | 2020-08-15 | 2020-12-18 | 福建冠泓工业有限公司 | Super-soft super-fluffy spun-bonded non-woven fabric and preparation method thereof |
| CN112251916A (en) * | 2020-10-10 | 2021-01-22 | 佛山市裕丰无纺布有限公司 | Improved elastic cloth and manufacturing process thereof |
| CN113166989A (en) * | 2018-11-23 | 2021-07-23 | 莱芬豪舍有限责任两合公司机器制造厂 | Bulky nonwoven fabric with enhanced compressibility and recovery |
| CN115247288A (en) * | 2021-12-22 | 2022-10-28 | 青岛大学 | Parallel double-component crimped filament and preparation method thereof |
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| EP3677708A1 (en) * | 2019-01-07 | 2020-07-08 | Jeongsan International Co., Ltd. | Thermoplastic elastomer yarn with improved unwinding, weaving and yarn shrinking property, and manufacturing method thereof |
| CN111411431A (en) * | 2019-01-07 | 2020-07-14 | 正山国际有限公司 | Thermoplastic elastomer base yarn and method for producing same |
| US11432611B2 (en) | 2019-01-07 | 2022-09-06 | Jeongsan International Co., Ltd. | Manufacturing method of a thermoplastic elastomer yarn |
| CN112095230A (en) * | 2020-08-15 | 2020-12-18 | 福建冠泓工业有限公司 | Super-soft super-fluffy spun-bonded non-woven fabric and preparation method thereof |
| CN112251916A (en) * | 2020-10-10 | 2021-01-22 | 佛山市裕丰无纺布有限公司 | Improved elastic cloth and manufacturing process thereof |
| CN115247288A (en) * | 2021-12-22 | 2022-10-28 | 青岛大学 | Parallel double-component crimped filament and preparation method thereof |
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