CN103147233B - Spunlaid, pulp airlaid and spunlace-bonded non-woven fabric production process - Google Patents

Spunlaid, pulp airlaid and spunlace-bonded non-woven fabric production process Download PDF

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Publication number
CN103147233B
CN103147233B CN201310086862.6A CN201310086862A CN103147233B CN 103147233 B CN103147233 B CN 103147233B CN 201310086862 A CN201310086862 A CN 201310086862A CN 103147233 B CN103147233 B CN 103147233B
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pulp
web
fibre
roll
net
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CN103147233A (en
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严华荣
韦毓堃
葛钶
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Zhejiang Jinsanfa Sanitary Material Technology Co., Ltd.
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ZHEJIANG KINGSAFE NOW-WOVEN Co Ltd
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Abstract

The invention discloses a spunlaid, pulp airlaid and spunlace-bonded non-woven fabric, which comprises a first web, a second web and a pulp fiber layer, wherein the pulp fiber layer is arranged between the first web and the second web. The invention additionally discloses a spunlaid, pulp airlaid and spunlace-bonded non-woven fabric production process, which comprises the steps of melting, spinning, spunlacing, drying, thermal calendering and the like. By using polypropylene fibers and pulp paper as raw materials and combining a spunbonding method with a spunlacing method, the production cost is reduced; and through spunlacing, spunbonded filaments are enabled to be entangled in a staggered way and pulp fibers are scattered and covered in the spunbonded filaments which are entangled in the staggered way. The product not only has the characteristics of high strength and wear resistance of a polypropylene fiber spunbonded fabric, but also overcomes the defects that the water absorbability of the polypropylene fiber spunbonded fabric is poor, the polypropylene fiber spunbonded fabric is not apt to be dyed and the softness is poor.

Description

The production technology of filature fleece formation pulp air-lay process water thorn consolidated nonwoven cloth
Technical field
The present invention relates to the technical field of non-weaving cloth, particularly the technical field of the production technology of non-weaving cloth.
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, proposes the production technology of a kind of filature fleece formation pulp air-lay process water thorn consolidated nonwoven cloth, can 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 production technology of a kind of filature fleece formation pulp air-lay process water thorn consolidated nonwoven cloth, in turn include the following steps:
A) charging: polypropylene fibre is poured in the first feed hopper and the second feed hopper, 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 210 ~ 215 DEG C, 240 ~ 245 DEG C, 231 ~ 233 DEG C, 233 ~ 235 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 1000 ~ 1100kPa;
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: be laid in by pulp fibers net 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 1200 ~ 1300kPa;
I) water thorn: Hydroentangled process is carried out to spunbond-pulp-spunbond three layers of composite web embryo net;
J) dry: be input in baking oven carry out drying and processing by through the spun-bonded continuous yarn of Hydroentangled process, pulp fibers composite web embryo net, the temperature of described baking oven is 140 ~ 180 DEG C, and drying time is 10 ~ 12 seconds;
K) hot rolling: carry out hot rolling process to the spun-bonded continuous yarn after oven dry, pulp fibers composite web embryo net, hot rolling treatment temperature is 170 ~ 180 DEG C;
L) batch packaging: to the composite non-weaving cloth grey cloth completing drying and processing with 120 meters/involve in row to batch, and involve in row packaging often to wrap 2, form filature fleece formation pulp air-lay process water thorn consolidated nonwoven 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 213 DEG C, 243 DEG C, 232 DEG C, 234 DEG C, 230 DEG C.
As preferably, in described spinning process, the aperture of described spinnerets is 0.25mm, and the performance of the obtained first thread polypropylene fibre and the second thread polypropylene fibre is better, and size is more suitable for water thorn consolidation, and then improves the quality of product.
As preferably, describedly to roll in advance in treatment step, describedly once to roll in advance, the pressure of the first roll and the second roll is 1050kPa, and during secondary rolls in advance, the pressure of the 3rd roll is 1250kPa.
As preferably, in described hot-rolled step, described hot-rolled temperature is 175 DEG C, spunbond layer polypropylene fiber is under high temperature action, polypropylene spunbond fiber filament intersection point melting consolidation, makes polypropylene spunbond Inter-fiber voids shrink further, is blocked further by pulp fibers and cannot overflow in space.
As preferably, in described baking step, the temperature of described baking oven is 160 DEG C, and drying time is 11 seconds.
Beneficial effect of the present invention: the present invention by with polypropylene fibre and pulp paper for raw material, in conjunction with spun-bond process and water acupuncture manipulation, through extruding, melting, spinning, drawing-off, lapping, roll in advance, water thorn, the treatment step such as hot rolling form, with polypropylene fibre and pulp paper for raw material, reduce production cost, stung by water, such that spun-bonded continuous yarn is staggered to tangle, and pulp fibers is broken up be wrapped among the staggered spun-bonded continuous yarn tangled.Product not only has high, the anti abrasive feature of polypropylene spunbond cloth intensity, and overcomes the characteristic of polypropylene spunbond cloth water imbibition poor not easy dyeing and pliability difference.
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 before the hot rolling of filature fleece formation pulp air-lay process water of the present invention thorn consolidated nonwoven water distribution thorn;
Fig. 2 is the structural representation after the hot rolling of filature fleece formation pulp air-lay process water of the present invention thorn consolidated nonwoven water distribution thorn;
Fig. 3 is the flow chart of the production technology of filature fleece formation pulp air-lay process water of the present invention thorn consolidated nonwoven cloth.
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-spun-laced machine, 7-baking oven, 8-hot-rolling mill.
Detailed description of the invention
Consult Fig. 1,2, the filature fleece formation pulp air-lay process water thorn consolidated nonwoven cloth that the present invention relates to, 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 0.3 ~ 0.4mm mm, the thickness of the second fibre web 2 is 0.1 ~ 0.5mm, and the thickness of pulp fibers layer 3 is 0.5 ~ 0.8mm.
Consult Fig. 3, the production technology of filature fleece formation pulp air-lay process water thorn consolidated nonwoven cloth of the present invention, in turn includes the following steps:
A) charging: polypropylene fibre is poured in the first feed hopper 11 and the second feed hopper 21, 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 210 ~ 215 DEG C, 240 ~ 245 DEG C, 231 ~ 233 DEG C, 233 ~ 235 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 1000 ~ 1100kPa;
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 3 after net to import between the first fibre web 1 and the second fibre web 2;
H) secondary rolls in advance: be laid in by pulp fibers net 3 between 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 5, 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 1200 ~ 1300kPa;
I) water thorn: Hydroentangled process is carried out to spunbond-pulp-spunbond three layers of composite web embryo net;
J) dry: be input in baking oven 7 carry out drying and processing by through the spun-bonded continuous yarn of Hydroentangled process, pulp fibers composite web embryo net, the temperature of described baking oven 7 is 140 ~ 180 DEG C, and drying time is 10 ~ 12 seconds;
K) hot rolling: carry out hot rolling process to the spun-bonded continuous yarn after oven dry, pulp fibers composite web embryo net, hot rolling treatment temperature is 170 ~ 180 DEG C;
L) batch packaging: to the composite non-weaving cloth grey cloth completing drying and processing with 120 meters/involve in row to batch, and involve in row packaging often to wrap 2, form filature fleece formation pulp air-lay process water thorn consolidated nonwoven 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 213 DEG C, 243 DEG C, 232 DEG C, 234 DEG C, 230 DEG C, in described spinning process, the aperture of described 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 to roll in advance in treatment step, describedly once to roll in advance, the pressure of the first roll 17 and the second roll 27 is 1050kPa, during secondary rolls in advance, the pressure of the 3rd roll 5 is 1250kPa, in described hot-rolled step, the temperature of described hot-rolling mill 8 is 175 DEG C, in described baking step, the temperature of described baking oven 7 is 160 DEG C, drying time is 11 seconds.
Between the first spinning manifold 14 and the first air drawing machine 16, first side-blown blower fan 15 is installed, between the second spinning manifold 24 and the second air drawing machine 26, second side-blown blower fan 25 is installed, lateral blowing process is carried out to the first thread polypropylene fibre and the second thread polypropylene fibre, the first side-blown blower fan 15 and the second side-blown blower fan 25 is arranged on any side of the first thread polypropylene fibre and the second thread polypropylene fibre.
Consult Fig. 2, in described water thorn step, under the effect of spun-laced machine 6, water thorn makes the staggered entanglement of spun-bonded fibre long filament, and pulp fibers is broken up in the space of spun-bonded fibre long filament, and then be evenly distributed in non-weaving cloth, general SMS composite non-weaving cloth has obvious layering, but our product is after water thorn process, pulp fibers is dispersed, and be wrapped among the staggered spun-bonded continuous yarn tangled, thus effect is more more excellent than SMS composite algorithm, because SMS composite algorithm is due to bilevel obstruct, the effect in intermediate layer is relatively weak.And pulp fibers is broken up in upper and lower two-layer spinning building, make the performance of pulp fibers more outstanding, product not only has high, the anti abrasive feature of polypropylene spunbond cloth intensity, and overcomes the feature of polypropylene spunbond cloth water imbibition poor not easy dyeing and pliability difference.
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 (6)

1. the production technology of filature fleece formation pulp air-lay process water thorn consolidated nonwoven cloth, is characterized in that: in turn include the following steps:
A) charging: polypropylene fibre is poured in the first feed hopper and the second feed hopper, 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 210 ~ 215 DEG C, 240 ~ 245 DEG C, 231 ~ 233 DEG C, 233 ~ 235 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 1000 ~ 1100kPa;
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: be laid in by pulp fibers net 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 1200 ~ 1300kPa;
I) water thorn: Hydroentangled process is carried out to spunbond-pulp-spunbond three layers of composite web embryo net;
J) dry: be input in baking oven carry out drying and processing by through the spun-bonded continuous yarn of Hydroentangled process, pulp fibers composite web embryo net, the temperature of described baking oven is 140 ~ 180 DEG C, and drying time is 10 ~ 12 seconds;
K) hot rolling: carry out hot rolling process to the spun-bonded continuous yarn after oven dry, pulp fibers composite web embryo net, hot rolling treatment temperature is 170 ~ 180 DEG C;
L) batch packaging: to the composite non-weaving cloth grey cloth completing drying and processing with 120 meters/involve in row to batch, and involve in row packaging often to wrap 2, form filature fleece formation pulp air-lay process water thorn consolidated nonwoven cloth finished product.
2. the production technology of filature fleece formation pulp air-lay process water thorn consolidated nonwoven cloth 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 213 DEG C, 243 DEG C, 232 DEG C, 234 DEG C, 230 DEG C.
3. the production technology of filature fleece formation pulp air-lay process water thorn consolidated nonwoven cloth as claimed in claim 1, it is characterized in that: in described spinning process, the aperture of described spinnerets is 0.25mm.
4. the production technology of filature fleece formation pulp air-lay process water thorn consolidated nonwoven cloth as claimed in claim 1, it is characterized in that: describedly to roll in advance in treatment step, describedly once to roll in advance, the pressure of the first roll and the second roll is 1050kPa, during secondary rolls in advance, the pressure of the 3rd roll is 1250kPa.
5. the production technology of filature fleece formation pulp air-lay process water thorn consolidated nonwoven cloth as claimed in claim 1, it is characterized in that: in described hot-rolled step, hot rolling treatment temperature is 175 DEG C.
6. the production technology of the filature fleece formation pulp air-lay process water thorn consolidated nonwoven cloth according to any one of claim 1 to 5, it is characterized in that: in described baking step, the temperature of described baking oven is 160 DEG C, and drying time is 11 seconds.
CN201310086862.6A 2013-03-18 2013-03-18 Spunlaid, pulp airlaid and spunlace-bonded non-woven fabric production process Active CN103147233B (en)

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CN105734968A (en) * 2014-12-12 2016-07-06 聚隆纤维股份有限公司 Method for preparing natural cellulose non-woven fabric having flame retardant function in spunbond mode
CN105483940A (en) * 2015-12-01 2016-04-13 浙江金三发非织造布有限公司 Production technology of hydrophilic polypropylene non-woven fabric
CN107458035B (en) * 2017-07-25 2020-06-26 东莞市新华业纤维科技有限公司 Manufacturing process and manufacturing equipment of composite material and composite middle baseplate of composite material
CN108018716A (en) * 2017-12-29 2018-05-11 梅庆波 A kind of preparation method of wear-resisting hydroscopicity non-woven fabrics

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Address after: 313100 new century Industrial Park, Li Jiaxiang, Changxing County, Huzhou, Zhejiang

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