CN103132249A - 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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- CN103132249A CN103132249A CN2013100870132A CN201310087013A CN103132249A CN 103132249 A CN103132249 A CN 103132249A CN 2013100870132 A CN2013100870132 A CN 2013100870132A CN 201310087013 A CN201310087013 A CN 201310087013A CN 103132249 A CN103132249 A CN 103132249A
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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 that does not need to spin cotton and weave cloth and form, and only uses textile staple or long filament are carried out orientation or random alignment, forms fibre net structure, then adopts the method reinforcing such as mechanical, hot sticky or chemical to form.Non-weaving cloth is the tencel goods with softness, ventilative and planar structure that directly utilize high polymer section, staple fibre or long filament to form by various fibre web manufacturing process and concretion technology, its technological process of production is short, speed of production is fast, and output is high, cost is low, purposes is wide, raw material sources are many.
Spun-bond process and the development of water acupuncture manipulation nonwoven manufacturing technique are rapidly, two kinds of processes commonly used during non-weaving cloth is made, the Spunbonded Nonwovens production technology claims again the polymer spinning to become the net method, to utilize the synthetic fiber spinning principle, make the laid one-tenth net of continuous filament fibers in polymer spinning process, fibre web tangles into non-weaving cloth through hot rolling or pinprick reinforcement.
Water acupuncture manipulation non-weaving cloth claims again the jet net-spraying method non-weaving cloth, short fiber is made fibre web after the opening or cleaning combing, then utilize water under high pressure to produce numerous superfine liquid drugs injection directive fibre web, make fiber under the effect that is subject to the different directions jet and mutually tangle, thereby fiber web is reinforced, tangled into non-weaving cloth.
Although above-mentioned two kinds of methods can be produced non-weaving cloth, all have certain defective, the non-weaving cloth feel that spun-bond process is produced is harder, and water imbibition is relatively poor; And the non-weaving cloth that the water acupuncture manipulation is produced is powerful poor, cost is high, and along with the development in market, people are more and more higher to demand and the quality requirement of non-weaving cloth, and the non-weaving cloth that above-mentioned two kinds of methods are produced can not satisfy people's needs.
[summary of the invention]
Purpose 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, can become the net method with pulp in conjunction with spun-bond process, produce good hand touch, powerful good, good water absorption, non-weaving cloth that cost is low.
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.
As preferably, the thickness of described the first fibre web is 0.2～0.3mm, and 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: at first the polypropylene fibre in the first feed hopper is sent into and carried out extrusion process in the first extruder, polypropylene fibre in the second feed hopper is sent into carried out extrusion process in the second extruder, then will send into through the polypropylene fibre in the first extruder of extrusion process and carry out melting operation in the first screw extruder, to send into through the polypropylene fibre in the second extruder of extruding and carry out melting operation in the second screw extruder, described the first screw extruder and the second screw extruder comprise five districts, the temperature in described five districts is respectively 205～209 ℃, 235～239 ℃, 245～249 ℃, 235～239 ℃, 229～231 ℃,
C) spinning: control through measuring pump, polypropylene fibre in the first screw extruder is sent into the first spinning manifold, polypropylene fibre in the second screw extruder is sent into the second spinning manifold, carry out respectively spinning operation, obtain respectively the first thread polypropylene fibre and the second thread polypropylene fibre, the aperture of described spinnerets is 0.2～0.3mm;
D) cooling drawing-off: respectively the first thread polypropylene fibre and the second thread polypropylene fibre are carried out the air-flow traction, form respectively the first fibre web idiosome and the second fibre web idiosome;
E) lapping: by air draught off the net, the first fibre web idiosome and the second fibre web idiosome are adsorbed on defeated lace curtaining, obtain the first fibre web and the second fibre web;
F) once roll in advance: by the first roll is pressurizeed, the first fibre web that compacting is fluffy pressurizes to the second roll, the second fibre web that compacting is fluffy, and described the 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 become net through random web-laying equipment, and the pulp fibers net after becoming to net imports between the first fibre web and the second fibre web;
H) secondary rolls in advance: the pulp fibers net is tiled 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 in advance processing, obtain spunbond-pulp paper-spunbond three layers of composite web embryo net, described the 3rd added pressure of 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 to be processed, described hot-rolled temperature is 140～150 ℃;
J) batch packing: to complete that hot rolling processes spunbond-pulp paper-spunbond three layers of composite web with 120 meters/involve in row to batch, and involve in the row packing with every bag 2, form the spunbond composite non-weaving cloth finished product of pulp air-lay process.
As preferably, in described melting step, the temperature in five districts of described the first screw extruder and the second screw extruder is respectively 207 ℃, 237 ℃, 247 ℃, 237 ℃, 230 ℃.
As preferably, in described spinning step, the aperture of described spinnerets is 0.25mm.
As preferably, in described roll treatment step, described once rolling 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 ℃, makes by hot rolling and processes, and makes spun-bonded continuous yarn fixed, and then the space in spun-bonded continuous yarn is further shunk, and the pulp fibers that is present in wherein can't be broken away from.
Beneficial effect of the present invention: the present invention is by take polypropylene fibre and the paper pulp dregs of rice as raw material, become the net method 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 makes finished product, take polypropylene fibre and pulp paper as raw material, reduced production cost, by add the pulp fibers layer between fibre web, in the absorptive while of improving finished product, guarantee feel and the brute force of weaving cotton cloth.
Feature of the present invention and advantage will be elaborated by reference to the accompanying drawings by embodiment.
[description of drawings]
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-the first fibre web, 2-the second fibre web, 3-pulp fibers layer, 11-the first feed hopper, 12-the first extruder, 13-the first screw extruder, 14-the first spinning manifold, 15-the first side-blown blower fan, 16-the first air drawing machine, 17-the first roll, 18-first induced-draught fan off the net, 21-the second feed hopper, 22-the second extruder, 23-the second screw extruder, 24-the second spinning manifold, 25-the second side-blown blower fan, 26-the second air drawing machine, 27-the second roll, 28-second induced-draught fan off the net, the 41-charger, the 42-random web-laying equipment, 5-the 3rd roll, the 6-hot-rolling mill.
[specific embodiment]
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, the 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 the 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: at first the polypropylene fibre in the first feed hopper 11 is sent in the first extruder 12 and carried out extrusion process, polypropylene fibre in the second feed hopper 21 is sent in the second extruder 22 carried out extrusion process, then will send in the first screw extruder 13 through the polypropylene fibre in the first extruder 12 of extrusion process and carry out melting operation, to send in the second screw extruder 23 through the polypropylene fibre in the second extruder 22 of extruding and carry out melting operation, described the first screw extruder 13 and the second screw extruder 23 comprise five districts, the temperature in described five districts is respectively 205～209 ℃, 235～239 ℃, 245～249 ℃, 235～239 ℃, 229～231 ℃,
C) spinning: control through measuring pump, polypropylene fibre in the first screw extruder 13 is sent into the first spinning manifold 14, polypropylene fibre in the second screw extruder 23 is sent into the second spinning manifold 24, carry out respectively spinning operation, obtain respectively the first thread polypropylene fibre and the second thread polypropylene fibre, the aperture of described spinnerets is 0.2～0.3mm;
D) cooling drawing-off: respectively the first thread polypropylene fibre and the second thread polypropylene fibre are carried out the air-flow traction, form respectively the first fibre web idiosome and the second fibre web idiosome;
E) lapping: by air draught off the net, the first fibre web idiosome and the second fibre web idiosome are adsorbed on defeated lace curtaining, obtain the first fibre web 1 and the second fibre web 2;
F) once roll in advance: by the first roll 17 is pressurizeed, the first fibre web 1 that compacting is fluffy pressurizes to the second roll 27, the second fibre web 2 that compacting is fluffy, and described the first roll 17 and the second roll 27 applied pressures are 900～1000kPa;
G) the paper pulp dregs of rice become net: the paper pulp dregs of rice in charger become net through random web-laying equipment, and the pulp fibers net after becoming to net imports between the first fibre web and the second fibre web;
H) secondary rolls in advance: pulp fibers net 3 is tiled 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 in advance processing, obtain spunbond-pulp paper-spunbond three layers of composite web embryo net, described the 3rd added pressure of roll 5 is 1000～1200kPa;
I) hot rolling: spunbond-pulp paper-spunbond three layers of composite web embryo net are carried out hot rolling process, described hot-rolled temperature is 140～150 ℃;
J) batch packing: to complete that hot rolling processes spunbond-pulp paper-spunbond three layers of composite web with 120 meters/involve in row to batch, and involve in the row packing with every bag 2, form the spunbond composite non-weaving cloth finished product of pulp air-lay process.
in described melting step, the temperature in five districts of described the first screw extruder 13 and the second screw extruder 23 is respectively 207 ℃, 237 ℃, 247 ℃, 237 ℃, 230 ℃, in described spinning step, the first thread polypropylene fibre and the second thread polypropylene fibre are carried out the lateral blowing processing, the first side-blown blower fan 15 is installed between the first spinning manifold 14 and the first air drawing machine 16, the second side-blown blower fan 25 is installed between the second spinning manifold 24 and the second air drawing machine 26, the aperture of described spinnerets is 0.25mm, in described lapping step, the first induced-draught fan 18 off the net is installed below the first fibre web idiosome, the second induced-draught fan 28 off the net is installed below the second fibre web idiosome, in described roll treatment step, describedly once 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 ℃.
Above-described embodiment is to explanation of the present invention, is not limitation of the invention, any scheme after simple transformation of the present invention is all belonged to protection scope of the present invention.
Claims (7)
1. 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.
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: the thickness of described the first fibre web is 0.2～0.3mm, and the thickness of the second fibre web is 0.2～0.3mm, and the thickness of pulp fibers layer is 0.5～0.8mm.
3. the production technology of the spunbond composite non-weaving cloth of pulp air-lay process is characterized in that: in turn include the following steps:
A) charging: polypropylene fibre is divided into two groups, pours into respectively in the first feed hopper and the second feed hopper, and the paper pulp dregs of rice are dropped in charger;
b) melting: at first the polypropylene fibre in the first feed hopper is sent into and carried out extrusion process in the first extruder, polypropylene fibre in the second feed hopper is sent into carried out extrusion process in the second extruder, then will send into through the polypropylene fibre in the first extruder of extrusion process and carry out melting operation in the first screw extruder, to send into through the polypropylene fibre in the second extruder of extruding and carry out melting operation in the second screw extruder, described the first screw extruder and the second screw extruder comprise five districts, the temperature in described five districts is respectively 205～209 ℃, 235～239 ℃, 245～249 ℃, 235～239 ℃, 229～231 ℃,
C) spinning: control through measuring pump, polypropylene fibre in the first screw extruder is sent into the first spinning manifold, polypropylene fibre in the second screw extruder is sent into the second spinning manifold, carry out respectively spinning operation, obtain respectively the first thread polypropylene fibre and the second thread polypropylene fibre, the aperture of described spinnerets is 0.2～0.3mm;
D) cooling drawing-off: respectively the first thread polypropylene fibre and the second thread polypropylene fibre are carried out the air-flow traction, form respectively the first fibre web idiosome and the second fibre web idiosome;
E) lapping: by air draught off the net, the first fibre web idiosome and the second fibre web idiosome are adsorbed on defeated lace curtaining, obtain the first fibre web and the second fibre web;
F) once roll in advance: by the first roll is pressurizeed, the first fibre web that compacting is fluffy pressurizes to the second roll, the second fibre web that compacting is fluffy, and described the 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 become net through random web-laying equipment, and the pulp fibers net after becoming to net imports between the first fibre web and the second fibre web;
H) secondary rolls in advance: the pulp fibers net is tiled 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 in advance processing, obtain spunbond-pulp paper-spunbond three layers of composite web embryo net, described the 3rd added pressure of 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 to be processed, described hot-rolled temperature is 140～150 ℃;
J) batch packing: to complete that hot rolling processes spunbond-pulp paper-spunbond three layers of composite web with 120 meters/involve in row to batch, and involve in the row packing with every bag 2, form the spunbond composite non-weaving cloth finished product of pulp air-lay process.
4. the production technology of the spunbond composite non-weaving cloth of a kind of pulp air-lay process as claimed in claim 3, it is characterized in that: in described melting step, the temperature in five districts of described the first screw extruder and the second screw extruder is respectively 207 ℃, 237 ℃, 247 ℃, 237 ℃, 230 ℃.
5. the production technology of the spunbond composite non-weaving cloth of a kind of pulp air-lay process as claimed in claim 3, it is characterized in that: in described spinning step, the aperture of described spinnerets is 0.25mm.
6. the production technology of the spunbond composite non-weaving cloth of a kind of pulp air-lay process as claimed in claim 3, it is characterized in that: in described roll treatment step, describedly once roll in advance in step, the pressure of the first roll and the second roll is 950kPa, described secondary rolls in step in advance, and the pressure of the 3rd roll is 1100kPa.
7. the production technology of the spunbond composite non-weaving cloth of a kind of pulp air-lay process as described in any one in claim 3 to 6, it is characterized in that: in described hot-rolled step, described hot-rolled temperature is 145 ℃.
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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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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105239274A (en) * | 2015-11-12 | 2016-01-13 | 浙江金三发非织造布有限公司 | Two-sided hydrophilic punched non-woven fabric special for sanitary consumables and production method thereof |
| 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 |
| 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 |
| 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 |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105239274A (en) * | 2015-11-12 | 2016-01-13 | 浙江金三发非织造布有限公司 | Two-sided hydrophilic punched non-woven fabric special for sanitary consumables and production method thereof |
| 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 |
| 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 |
| 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 |
| 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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|---|---|
| CN103132249B (en) | 2015-04-15 |
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