CN103132249B - Pulp air laid spinning adhesive composite non-woven fabric and production technology thereof - Google Patents
Pulp air laid spinning adhesive composite non-woven fabric and production technology thereof Download PDFInfo
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- CN103132249B CN103132249B CN201310087013.2A CN201310087013A CN103132249B CN 103132249 B CN103132249 B CN 103132249B CN 201310087013 A CN201310087013 A CN 201310087013A CN 103132249 B CN103132249 B CN 103132249B
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Abstract
The invention discloses pulp air laid spinning adhesive composite non-woven fabric which comprises a first fiber web, a second fiber web and a pulp fibrous layer. The pulp fibrous layer is placed between the first fiber web and the second fiber web. The invention further discloses production technology of the pulp air laid spinning adhesive composite non-woven fabric. The production technology comprises steps of feeding, fusing, spinning, cooling drafting, web laying, first pre-rolling, second pre-rolling, hot rolling and take-up packaging. Polypropylene fiber and paper pulp serve as raw materials, a spinning adhesive method and a pulp web forming method are combined and processing steps of extruding, fusing, spinning, drafting, web laying, pre-rolling, hot rolling and the like are performed so that a finished product is manufactured. The polypropylene fiber and the paper pulp serve as the raw materials so that production cost is reduced. The pulp fibrous layer is added between the fiber webs so that water-absorbing quality of the finished product is improved and meanwhile hand feel and brute force of the woven fabric are guaranteed.
Description
[technical field]
The present invention relates to the technical field of non-weaving cloth, particularly the technical field of the spunbond composite non-weaving cloth of pulp air-lay process.
[background technology]
Non-weaving cloth is a kind of fabric formed that do not need to spin cotton and weave cloth, and only carries out orientation or random alignment with by textile staple or long filament, forms fibre net structure, then adopts machinery, the method such as hot sticky or chemical reinforces and form.Non-weaving cloth be directly utilize that high polymer is cut into slices, tencel goods with softness, ventilative and planar structure that staple fibre or long filament are formed by various web forming method and concretion technology, its technological process of production is short, speed of production fast, and output is high, cost is low, purposes is wide, raw material sources are many.
Spun-bond process and the development of spunlacing method production technology are rapidly, two kinds of processes conventional during non-weaving cloth manufactures, Spunbonded Nonwovens production technology is also known as polymer filature fleece formation method, utilize synthetic fiber spinning principle, in polymer spinning process, make the laid one-tenth net of continuous filament fibers, fibre web tangles into non-weaving cloth through hot rolling or pinprick reinforcement.
Spunlacing method is also known as spunlaced nonwoven, short fiber makes fibre web after opening or cleaning combing, then water under high pressure is utilized to produce numerous superfine liquid drugs injection directive fibre web, fiber is mutually tangled under the effect being subject to different directions jet, thus fiber web is reinforced, tangle into non-weaving cloth.
Although above-mentioned two kinds of methods can produce non-weaving cloth, all there is certain defect, the non-weaving cloth feel that spun-bond process is produced is comparatively hard, and water imbibition is poor; And non-weaving cloth that water acupuncture manipulation is produced is powerful poor, cost is high, along with the development in market, people to the demand of non-weaving cloth and quality requirement more and more higher, the non-weaving cloth that above-mentioned two kinds of methods are produced can not meet the needs of people.
[summary of the invention]
Object of the present invention solves the problems of the prior art exactly, the spunbond composite non-weaving cloth of a kind of pulp air-lay process and production technology thereof are proposed, net method can be become in conjunction with spun-bond process with pulp, produce good hand touch, brute force is good, good water absorption, cost are low non-weaving cloth.
For achieving the above object, the present invention proposes the spunbond composite non-weaving cloth of a kind of pulp air-lay process, comprise the first fibre web, the second fibre web and pulp fibers layer, described pulp fibers layer is between the first fibre web and the second fibre web, the thickness of described first fibre web is 0.2 ~ 0.3mm, the thickness of the second fibre web is 0.2 ~ 0.3mm, and the thickness of pulp fibers layer is 0.5 ~ 0.8mm.
The invention allows for the production technology of the spunbond composite non-weaving cloth of a kind of pulp air-lay process, in turn include the following steps:
A) charging: polypropylene fibre is poured into respectively in the first feed hopper and the second feed hopper, and the paper pulp dregs of rice are put in charger;
B) melting: first the polypropylene fibre in the first feed hopper is sent in the first extruder and carry out extrusion process, polypropylene fibre in second feed hopper is sent in the second extruder and carries out extrusion process, then the polypropylene fibre in the first extruder of extrusion process is sent in the first screw extruder and carry out melting operation, polypropylene fibre in the second extruder of extruding is sent in the second screw extruder and carries out melting operation, described first screw extruder and the second screw extruder comprise five districts, the temperature in described five districts is respectively 205 ~ 209 DEG C, 235 ~ 239 DEG C, 245 ~ 249 DEG C, 235 ~ 239 DEG C, 229 ~ 231 DEG C,
C) spinning: control through measuring pump, polypropylene fibre in first screw extruder is sent into the first spinning manifold, polypropylene fibre in second screw extruder is sent into the second spinning manifold, carry out spinning operation respectively, obtain the first thread polypropylene fibre and the second thread polypropylene fibre respectively, the aperture of spinnerets is 0.2 ~ 0.3mm;
D) drawing-off is cooled: respectively air-flow traction is carried out to the first thread polypropylene fibre and the second thread polypropylene fibre, form the first fibre web idiosome and the second fibre web idiosome respectively;
E) lapping: by air draught off the net, makes the first fibre web idiosome and the second fibre web idiosome be adsorbed on defeated lace curtaining respectively, obtains the first fibre web and the second fibre web;
F) once roll in advance: by pressurizeing to the first roll, the first fibre web that compacting is fluffy, to the second roll pressurization, the second fibre web that compacting is fluffy, described first roll and the second roll applied pressure are 900 ~ 1000kPa;
G) the paper pulp dregs of rice become net: the paper pulp dregs of rice in charger carry out into net through random web-laying equipment, become the pulp fibers net after net to import between the first fibre web and the second fibre web;
H) secondary rolls in advance: pulp fibers net is laid between the first fibre web and the second fibre web, then the first fibre web, pulp fibers net and the second fibre web are imported between two the 3rd rolls, carry out secondary and roll process in advance, obtain spunbond-pulp paper-spunbond three layers of composite web embryo net, the pressure added by described 3rd roll is 1000 ~ 1200kPa;
I) hot rolling: to after rolling in advance spunbond-pulp paper-spunbond three layers of composite web embryo net carry out hot rolling process, hot-rolled temperature is 140 ~ 150 DEG C;
J) batch packaging: to complete hot rolling process spunbond-pulp paper-spunbond three layers of composite web with 120 meters/involve in row to batch, and involve in row packaging often to wrap 2, form pulp air-lay process spunbond composite non-weaving cloth finished product.
As preferably, in described melting step, the temperature in five districts of described first screw extruder and the second screw extruder is respectively 207 DEG C, 237 DEG C, 247 DEG C, 237 DEG C, 230 DEG C.
As preferably, in described spinning process, the aperture of described spinnerets is 0.25mm.
As preferably, describedly once to roll in advance in step, the pressure of the first roll and the second roll is 950kPa, and described secondary rolls in step in advance, and the pressure of the 3rd roll is 1100kPa.
As preferably, in described hot-rolled step, described hot-rolled temperature is 145 DEG C, makes, by hot rolling process, to make spun-bonded continuous yarn consolidation, and then the space in spun-bonded continuous yarn is shunk further, and the pulp fibers be present in wherein cannot be departed from.
Beneficial effect of the present invention: the present invention by with polypropylene fibre and the paper pulp dregs of rice for raw material, net method is become with pulp in conjunction with spun-bond process, through extruding, melting, spinning, drawing-off, lapping, roll in advance, the procedure of processing such as hot rolling obtains finished product, with polypropylene fibre and pulp paper for raw material, reduce production cost, by adding pulp fibers layer between fibre web, improving finished product absorptive while, ensure the feel of weaving cotton cloth and brute force.
Feature of the present invention and advantage will be described in detail by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the spunbond composite non-weaving cloth of a kind of pulp air-lay process of the present invention;
Fig. 2 is the flow chart of the production technology of the spunbond composite non-weaving cloth of a kind of pulp air-lay process of the present invention.
In figure: 1-first fibre web, 2-second fibre web, 3-pulp fibers layer, 11-first feed hopper, 12-first extruder, 13-first screw extruder, 14-first spinning manifold, 15-first blows side blower fan, 16-first air drawing machine, 17-first roll, 18-first induced-draught fan off the net, 21-second feed hopper, 22-second extruder, 23-second screw extruder, 24-second spinning manifold, 25-second blows side blower fan, 26-second air drawing machine, 27-second roll, 28-second induced-draught fan off the net, 41-charger, 42-random web-laying equipment, 5-the 3rd roll, 6-hot-rolling mill.
[detailed description of the invention]
Consult Fig. 1, the spunbond composite non-weaving cloth of a kind of pulp air-lay process of the present invention, comprise the first fibre web 1, second fibre web 2 and pulp fibers layer 3, described pulp fibers layer 3 is between the first fibre web 1 and the second fibre web 2, the thickness of described first fibre web 1 is 0.25mm, the thickness of the second fibre web 2 is 0.25mm, and the thickness of pulp fibers layer 3 is 0.7mm.
Consult Fig. 2, the production technology of the spunbond composite non-weaving cloth of a kind of pulp air-lay process of the present invention, in turn includes the following steps:
A) charging: polypropylene fibre is poured into respectively in the first feed hopper 11 and the second feed hopper 21, and the paper pulp dregs of rice are arranged in charger 41;
B) melting: first the polypropylene fibre in the first feed hopper 11 is sent in the first extruder 12 and carry out extrusion process, polypropylene fibre in second feed hopper 21 is sent in the second extruder 22 and carries out extrusion process, then the polypropylene fibre in the first extruder 12 of extrusion process is sent in the first screw extruder 13 and carry out melting operation, polypropylene fibre in the second extruder 22 of extruding is sent in the second screw extruder 23 and carries out melting operation, described first screw extruder 13 and the second screw extruder 23 comprise five districts, the temperature in described five districts is respectively 205 ~ 209 DEG C, 235 ~ 239 DEG C, 245 ~ 249 DEG C, 235 ~ 239 DEG C, 229 ~ 231 DEG C,
C) spinning: control through measuring pump, polypropylene fibre in first screw extruder 13 is sent into the first spinning manifold 14, polypropylene fibre in second screw extruder 23 is sent into the second spinning manifold 24, carry out spinning operation respectively, obtain the first thread polypropylene fibre and the second thread polypropylene fibre respectively, the aperture of spinnerets is 0.2 ~ 0.3mm;
D) drawing-off is cooled: respectively air-flow traction is carried out to the first thread polypropylene fibre and the second thread polypropylene fibre, form the first fibre web idiosome and the second fibre web idiosome respectively;
E) lapping: by air draught off the net, makes the first fibre web idiosome and the second fibre web idiosome be adsorbed on defeated lace curtaining respectively, obtains the first fibre web 1 and the second fibre web 2;
F) once rolling in advance: by pressurizeing to the first roll 17, the first fibre web 1 that compacting is fluffy, pressurizeing to the second roll 27, the second fibre web 2 that compacting is fluffy, described first roll 17 and the second roll 27 applied pressure are 900 ~ 1000kPa;
G) the paper pulp dregs of rice become net: the paper pulp dregs of rice in charger carry out into net through random web-laying equipment, become the pulp fibers net after net to import between the first fibre web and the second fibre web;
H) secondary rolls in advance: pulp fibers net 3 is laid between the first fibre web 1 and the second fibre web 2, then the first fibre web 1, pulp fibers net 3 and the second fibre web 2 are imported between two the 3rd rolls, carry out secondary and roll process in advance, obtain spunbond-pulp paper-spunbond three layers of composite web embryo net, the pressure added by described 3rd roll 5 is 1000 ~ 1200kPa;
I) hot rolling: carry out hot rolling process to spunbond-pulp paper-spunbond three layers of composite web embryo net, hot-rolled temperature is 140 ~ 150 DEG C;
J) batch packaging: to complete hot rolling process spunbond-pulp paper-spunbond three layers of composite web with 120 meters/involve in row to batch, and involve in row packaging often to wrap 2, form pulp air-lay process spunbond composite non-weaving cloth finished product.
In described melting step, the temperature in five districts of described first screw extruder 13 and the second screw extruder 23 is respectively 207 DEG C, 237 DEG C, 247 DEG C, 237 DEG C, 230 DEG C, in described spinning process, lateral blowing process is carried out to the first thread polypropylene fibre and the second thread polypropylene fibre, between the first spinning manifold 14 and the first air drawing machine 16, install first to blow side blower fan 15, between the second spinning manifold 24 and the second air drawing machine 26, install second to blow side blower fan 25, the aperture of spinnerets is 0.25mm, in described lapping process, first induced-draught fan 18 off the net is installed below the first fibre web idiosome, second induced-draught fan 28 off the net is installed below the second fibre web idiosome, describedly once to roll in advance in step, the pressure of the first roll 17 and the second roll 27 is 950kPa, described secondary rolls in step in advance, the pressure of the 3rd roll 5 is 1100kPa, in described hot-rolled step, the temperature of described hot-rolling mill 6 is 145 DEG C.
Above-described embodiment is to explanation of the present invention, is not limitation of the invention, anyly all belongs to protection scope of the present invention to the scheme after simple transformation of the present invention.
Claims (5)
1. the spunbond composite non-weaving cloth of pulp air-lay process, it is characterized in that: comprise the first fibre web, the second fibre web and pulp fibers layer, described pulp fibers layer is between the first fibre web and the second fibre web, the thickness of described first fibre web is 0.2 ~ 0.3mm, the thickness of the second fibre web is 0.2 ~ 0.3mm, the thickness of pulp fibers layer is 0.5 ~ 0.8mm, and the production technology of the spunbond composite non-weaving cloth of pulp air-lay process in turn includes the following steps:
A) charging: polypropylene fibre is divided into two groups, pours in the first feed hopper and the second feed hopper respectively, and drops in charger by the paper pulp dregs of rice;
B) melting: first the polypropylene fibre in the first feed hopper is sent in the first extruder and carry out extrusion process, polypropylene fibre in second feed hopper is sent in the second extruder and carries out extrusion process, then the polypropylene fibre in the first extruder of extrusion process is sent in the first screw extruder and carry out melting operation, polypropylene fibre in the second extruder of extruding is sent in the second screw extruder and carries out melting operation, described first screw extruder and the second screw extruder comprise five districts, the temperature in described five districts is respectively 205 ~ 209 DEG C, 235 ~ 239 DEG C, 245 ~ 249 DEG C, 235 ~ 239 DEG C, 229 ~ 231 DEG C,
C) spinning: control through measuring pump, polypropylene fibre in first screw extruder is sent into the first spinning manifold, polypropylene fibre in second screw extruder is sent into the second spinning manifold, carry out spinning operation respectively, obtain the first thread polypropylene fibre and the second thread polypropylene fibre respectively, the aperture of spinnerets is 0.2 ~ 0.3mm;
D) drawing-off is cooled: respectively air-flow traction is carried out to the first thread polypropylene fibre and the second thread polypropylene fibre, form the first fibre web idiosome and the second fibre web idiosome respectively;
E) lapping: by air draught off the net, makes the first fibre web idiosome and the second fibre web idiosome be adsorbed on defeated lace curtaining respectively, obtains the first fibre web and the second fibre web;
F) once roll in advance: by pressurizeing to the first roll, the first fibre web that compacting is fluffy, to the second roll pressurization, the second fibre web that compacting is fluffy, described first roll and the second roll applied pressure are 900 ~ 1000kPa;
G) the paper pulp dregs of rice become net: the paper pulp dregs of rice in charger carry out into net through random web-laying equipment, become the pulp fibers net after net to import between the first fibre web and the second fibre web;
H) secondary rolls in advance: pulp fibers net is laid between the first fibre web and the second fibre web, then the first fibre web, pulp fibers net and the second fibre web are imported between two the 3rd rolls, carry out secondary and roll process in advance, obtain spunbond-pulp paper-spunbond three layers of composite web embryo net, the pressure added by described 3rd roll is 1000 ~ 1200kPa;
I) hot rolling: to after rolling in advance spunbond-pulp paper-spunbond three layers of composite web embryo net carry out hot rolling process, hot-rolled temperature is 140 ~ 150 DEG C;
J) batch packaging: to complete hot rolling process spunbond-pulp paper-spunbond three layers of composite web with 120 meters/involve in row to batch, and involve in row packaging often to wrap 2, form pulp air-lay process spunbond composite non-weaving cloth finished product.
2. the spunbond composite non-weaving cloth of a kind of pulp air-lay process as claimed in claim 1, it is characterized in that: in described melting step, the temperature in five districts of described first screw extruder and the second screw extruder is respectively 207 DEG C, 237 DEG C, 247 DEG C, 237 DEG C, 230 DEG C.
3. the spunbond composite non-weaving cloth of a kind of pulp air-lay process as claimed in claim 1, is characterized in that: in described spinning process, and the aperture of described spinnerets is 0.25mm.
4. the spunbond composite non-weaving cloth of a kind of pulp air-lay process as claimed in claim 1, it is characterized in that: describedly once to roll in advance in step, the pressure of the first roll and the second roll is 950kPa, and described secondary rolls in step in advance, and the pressure of the 3rd roll is 1100kPa.
5. the spunbond composite non-weaving cloth of a kind of pulp air-lay process according to any one of Claims 1-4, is characterized in that: in described hot-rolled step, described hot-rolled temperature is 145 DEG C.
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| CN201310087013.2A CN103132249B (en) | 2013-03-18 | 2013-03-18 | Pulp air laid spinning adhesive composite non-woven fabric and production technology thereof |
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| CN201310087013.2A CN103132249B (en) | 2013-03-18 | 2013-03-18 | Pulp air laid spinning adhesive composite non-woven fabric and production technology thereof |
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| CN103132249B true CN103132249B (en) | 2015-04-15 |
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| CN107323011A (en) * | 2017-08-09 | 2017-11-07 | 大连瑞光非织造布集团有限公司 | Three layers of composite water absorbing pad non-woven fabrics and production method |
| CN108754877A (en) * | 2018-07-17 | 2018-11-06 | 郑州豫力新材料科技有限公司 | The production line and its production technology of spunbond pulp non-woven cloth |
| CN108642721A (en) * | 2018-07-17 | 2018-10-12 | 郑州豫力新材料科技有限公司 | Spunbond pulp non-woven cloth |
| CN112853615A (en) * | 2021-01-09 | 2021-05-28 | 广州市东峻投资有限公司 | Disposable cotton soft towel and preparation process thereof |
| CN114075718A (en) * | 2021-11-15 | 2022-02-22 | 大连瑞源非织造布有限公司 | Water-absorbing composite non-woven fabric and manufacturing method thereof |
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Address after: 313100 new century Industrial Park, Li Jiaxiang, Changxing County, Huzhou, Zhejiang Patentee after: Zhejiang Jinsanfa Sanitary Material Technology Co., Ltd. Address before: 313100 new century Industrial Park, Li Jiaxiang, Changxing County, Huzhou, Zhejiang Patentee before: Zhejiang Kingsafe Now-woven Co., Ltd. |