CN106801292A - The spunlace non-woven cloth and its preparation technology of a kind of ultra high molecular weight polyethylene films - Google Patents
The spunlace non-woven cloth and its preparation technology of a kind of ultra high molecular weight polyethylene films Download PDFInfo
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- CN106801292A CN106801292A CN201611272541.5A CN201611272541A CN106801292A CN 106801292 A CN106801292 A CN 106801292A CN 201611272541 A CN201611272541 A CN 201611272541A CN 106801292 A CN106801292 A CN 106801292A
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- molecular weight
- weight polyethylene
- high molecular
- ultra high
- polyethylene films
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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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4282—Addition polymers
- D04H1/4291—Olefin series
-
- 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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/492—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
Abstract
The invention discloses the spunlace non-woven cloth and its preparation technology of a kind of ultra high molecular weight polyethylene films, including ultra high molecular weight polyethylene films layer, using on the fine water flow jet of high pressure to one or more layers ultra high molecular weight polyethylene films layer, make ultra high molecular weight polyethylene films layer fibrillation, the fine water flow jet of high pressure makes filament that fibre web is combined into the form of tangling, spun lacing repeatedly so that fibre web is able to compress, reinforces, forms the spunlace non-woven cloth of ultra high molecular weight polyethylene films after drying.Preparation technology:(1) get the raw materials ready;(2) laying;(3) spun lacing is reinforced;(4) stretch;(5) secondary spun lacing is reinforced;(6) dry;(7) wind.Spunlace non-woven cloth prepared by the spunlace non-woven cloth and its preparation technology of ultra high molecular weight polyethylene films of the invention, one-shot forming is manufactured, making the overall mechanical properties of spunlace non-woven cloth strengthens, not only there is tearing strength higher, tensile break strength, bursting strength, and with good permeable, permeability, application field is extensive.
Description
Technical field
The present invention relates to field of nonwoven fabric technology, more particularly to a kind of spunlace non-woven cloth of ultra high molecular weight polyethylene films
And its preparation technology.
Background technology
Superhigh molecular weight polyethylene fibers, are current specific strength and Bi Mo in the world also known as high-strength high-modulus polyethylene fiber
Amount highest fiber, polyethylene institute spun fiber of its molecular weight 1,000,000~5,000,000.Superhigh molecular weight polyethylene fibers
Extension at break is low, and work to break is big, the ability with very strong energy absorption, thus with prominent impact resistance and anti-cut
Property, meanwhile, it is resistant to chemical etching with ultra-violet radiation resisting, the advantages of wearability.
Non-woven fabrics is defined as non-weaving cloth again, is made up of fiber orient or random, is environment-friendly materials of new generation,
With moistureproof, ventilative, flexible, light weight, not combustion-supporting, easy decomposition, nontoxic nonirritant, rich color, cheap, recyclable
The features such as using again.It is raw material more as used polypropylene (pp materials) pellet, is batched continuously through high-temperature fusion, spinneret, paving guiding principle, hot pressing
One-step production is formed.Cloth is called because of the outward appearance with cloth and some performances.Realized in the U.S. from nineteen forty-two early start
After industrialization production, because it has, low cost, products application big compared with conventional woven cloth simple production process, yield extensively etc.
Feature, nowadays, it has also become emerging field with the fastest developing speed in textile industry.Non-woven fabrics can be divided into by processing method difference:
Spun-bonded non-woven fabrics, spunlace non-woven cloth, heat seal non-woven fabrics, wet nonwoven fabrics, needle punched non-woven fabrics etc..Non-woven fabrics has many functionally
Excellent properties, purposes is extremely extensive, can be divided into according to its purposes:Clothes non-woven fabrics, furniture decoration/household non-woven fabrics,
Non-woven fabrics for medical healthcare, filtering material non-woven fabrics etc..
With the increasingly rapid development of national economy, construction quality requirement of the country to infrastructure is increasingly stricter, to improve
The quality of national basis facility, such as agricultural, industry, health care, civil engineering, high-speed railway, highway, cross a river bridge
Earth working material science and technology is greatly developed Deng, country, makes great efforts to improve the intensity and quality of earth working material.Wherein nonwoven cloth material is main
Research object, methods that domestic many patents propose different enhancing non-woven fabrics, but all relatively complicated and there is certain disadvantage
End, Chinese patent such as filed in 1 day June in 2012 of Jinjiang City Gang Yi fibres Co., Ltd《A kind of composite acupuncture nonwoven
Cloth》, be laid on warp knitting cloth between two-layer nonwoven web by Patent No. 201220256454.1, then with the mode of acupuncture
It is made compound nonwoven cloth, this mode is to improve non-woven fabrics by the way of have woven or knitted fabric and nonwoven web compound
Overall mechanical properties, so on the one hand improve manufacturing cost, the addition of another aspect woven fabric or knitted fabric has a strong impact on
The good characteristic of non-woven fabrics water-permeable and air permeable in itself, and the rate of utilization of strength of fiber is relatively low.Wang Changyi was in October 30 in 2008
Chinese patent filed in day《A kind of method for producing nonwoven gridding reinforced composite nonwoven fabrics》, Patent No.
200810154952.3, a kind of mode of non-woven mesh is employed to strengthen non-woven fabrics, this problem is effectively solved, fill
Point make use of the intensity of reinforcing fiber, efficiency is higher, but the method can only pair warp and weft both direction strengthened, for it
The non-woven fabrics of the upward intensity requirement of other party is not applied to also, and interlayer is molded by the way of bonding, and resistance to overturning is poor.
The content of the invention
For defect present in prior art or deficiency, the present invention innovatively proposes a kind of superhigh molecular weight polyethylene
The spunlace non-woven cloth and its preparation technology of alkene film, one-shot forming manufacture, making the overall mechanical properties of spunlace non-woven cloth strengthens, not only
With tearing strength higher, tensile break strength, bursting strength, and with good permeable, permeability.
The technical proposal of the invention is realized in this way:
A kind of spunlace non-woven cloth of ultra high molecular weight polyethylene films, including ultra high molecular weight polyethylene films layer, using high pressure
Fine water flow jet to one or more layers ultra high molecular weight polyethylene films layer on, make ultra high molecular weight polyethylene films layer fibrillation,
The fine water flow jet of high pressure makes filament that fibre web is combined into the form of tangling, repeatedly spun lacing so that fibre web is able to
Compression, reinforcing, form the spunlace non-woven cloth of ultra high molecular weight polyethylene films after drying.
Preferably, the spun lacing uses 3-5 water jet, and pressure is 5-50Mpa.
Preferably, it is described divided by spun lacing after superhigh molecular weight polyethylene fibers silk a diameter of 0.003-0.03mm
Elongated fibers.
Preferably, the superhigh molecular weight polyethylene fibers silk for constituting spunlace non-woven cloth is for the fiber not cut off continuously is long
Silk, the filament length, the filametntary length is 5-3000mm.
The invention also discloses a kind of preparation technology of the spunlace non-woven cloth of ultra high molecular weight polyethylene films, including following step
Suddenly:
(1), get the raw materials ready:According to Production requirement, ultra high molecular weight polyethylene films are prepared according to quantity;
(2), laying:Ultra high molecular weight polyethylene films are stacked on request;
(3), spun lacing is reinforced:Spun lacing uses 3-5 water jet, and pressure is 5-50Mpa, by the fine water flow jet of high pressure to step
Suddenly on the ultra high molecular weight polyethylene films layer of (2) stacking, ultra high molecular weight polyethylene films layer fibrillation, the fine water flow jet of high pressure are made
Filament is mutually tangled, and compressed filament, form filament stratum reticulare;
(4), stretch:After spun lacing 50-60 minutes, the filament stratum reticulare after compression is carried out into stretch processing, elongation strain is
5-50%, under conditions of rate of extension is 50-5000 mm/mins, stretches along direction;
(5), secondary spun lacing is reinforced:Spun lacing uses 2-3 water jet, and pressure is 2-20Mpa, by the fine water flow jet of high pressure
To filament stratum reticulare, rebounded by holding lace curtaining, filament stratum reticulare is interted again, the filament in filament stratum reticulare is in difference
Under the interspersed hydraulic action of direction high-speed water jet, displacement, interspersed, entanglement and obvolvent are produced, so that filament stratum reticulare is obtained
Compression, reinforcing so that compressed filament stratum reticulare no longer restores to the original state, and according to Production requirement, reaching default density is
0.2-2.5 grams/cm, form the spunlace non-woven cloth of ultra high molecular weight polyethylene films;
(6), dry:Spunlace non-woven cloth after secondary spun lacing is reinforced in step (5) is carried out into drying and processing;
(7), wind:The spunlace non-woven cloth of the ultra high molecular weight polyethylene films after step (6) is dried winds packing.
Preferably, a kind of preparation technology of the spunlace non-woven cloth of ultra high molecular weight polyethylene films, comprises the following steps:
(1), get the raw materials ready:According to Production requirement, ultra high molecular weight polyethylene films are prepared according to quantity;
(2), laying:Ultra high molecular weight polyethylene films are stacked on request;
(3), spun lacing is reinforced:Spun lacing uses 4 water jets, and pressure is 30Mpa, by the fine water flow jet of high pressure to step
(2) on the ultra high molecular weight polyethylene films layer of stacking, ultra high molecular weight polyethylene films layer fibrillation is made, the fine water flow jet of high pressure makes
Filament mutually tangles, and is compressed filament, forms filament stratum reticulare;
(4), stretch:After spun lacing 55 minutes, the filament stratum reticulare after compression is carried out into stretch processing, elongation strain is
35%, under conditions of rate of extension is 3500 mm/mins, stretched along direction;
(5), secondary spun lacing is reinforced:Spun lacing uses 2 water jets, and pressure is 18Mpa, by the fine water flow jet of high pressure to fibre
After dimension silk screen layer, rebounded by holding lace curtaining, filament stratum reticulare is interted again, the filament in filament stratum reticulare is in different directions
Under the interspersed hydraulic action of high-speed water jet, produce displacement, it is interspersed, tangle and obvolvent so that filament stratum reticulare compressed,
Reinforce so that compressed filament stratum reticulare no longer restores to the original state, according to Production requirement, reach default density for 1.5 grams/
Square centimeter, forms the spunlace non-woven cloth of ultra high molecular weight polyethylene films;
(6), dry:Spunlace non-woven cloth after secondary spun lacing is reinforced in step (5) is carried out into drying and processing;
(7), wind:The spunlace non-woven cloth of the ultra high molecular weight polyethylene films after step (6) is dried winds packing.
Preferably, the stretching mode in the step (4) can be replaced biaxial tension, by filament stratum reticulare in elongation strain
It is 5-50%, rate of extension is under conditions of 50-5000 mm/mins, elder generation stretches along a direction, then further along another
Individual direction stretching.
Preferably, in 0.5-20dtex, strength scope is in 25- for the filametntary Denier range of the ultra high molecular polyethylene
45cN/dtex。
Compared with prior art, the beneficial effects of the present invention are:
The spunlace non-woven cloth and its preparation technology of a kind of ultra high molecular weight polyethylene films, in the super high molecular weight of laying layer by layer
On polyethylene film, after spun lacing reinforcing, stretching, secondary spun lacing, formation spunlace non-woven cloth is one-shot forming manufacture, makes spun lacing
The overall mechanical properties enhancing of non-woven fabrics, not only with tearing strength higher, tensile break strength, bursting strength, and tool
Textured good, good permeable, permeability, application field are extensive.
Specific embodiment
With reference to specific embodiment, technical scheme is clearly and completely described, it is clear that retouched
The embodiment stated is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to the present invention
The scope of protection.
A kind of spunlace non-woven cloth of ultra high molecular weight polyethylene films, including ultra high molecular weight polyethylene films layer, using high pressure
Fine water flow jet to one or more layers ultra high molecular weight polyethylene films layer on, make ultra high molecular weight polyethylene films layer fibrillation,
The fine water flow jet of high pressure makes filament that fibre web is combined into the form of tangling, repeatedly spun lacing so that fibre web is able to
Compression, reinforcing, form the spunlace non-woven cloth of ultra high molecular weight polyethylene films after drying, wherein, the spun lacing uses 3-5 spun lacing
Head, pressure is 5-15Mpa;It is described divided by spun lacing after superhigh molecular weight polyethylene fibers silk a diameter of 0.003-0.03mm
Elongated fibers;The superhigh molecular weight polyethylene fibers silk for constituting spunlace non-woven cloth is the continuous fiber filament not cut off,
The filament length, the filametntary length is 5-3000mm.
The invention also discloses a kind of preparation technology of the spunlace non-woven cloth of ultra high molecular weight polyethylene films, including following step
Suddenly:
(1), get the raw materials ready:According to Production requirement, ultra high molecular weight polyethylene films are prepared according to quantity;
(2), laying:Ultra high molecular weight polyethylene films are stacked on request;
(3), spun lacing is reinforced:Spun lacing uses 3-5 water jet, and pressure is 5-50Mpa, by the fine water flow jet of high pressure to step
Suddenly on the ultra high molecular weight polyethylene films layer of (2) stacking, ultra high molecular weight polyethylene films layer fibrillation, the fine water flow jet of high pressure are made
Filament is mutually tangled, and compressed filament, form filament stratum reticulare;
(4), stretch:After spun lacing 50-60 minutes, the filament stratum reticulare after compression is carried out into stretch processing, elongation strain is
5-50%, under conditions of rate of extension is 50-5000 mm/mins, stretches along direction;
(5), secondary spun lacing is reinforced:Spun lacing uses 2-3 water jet, and pressure is 2-20Mpa, by the fine water flow jet of high pressure
To filament stratum reticulare, rebounded by holding lace curtaining, filament stratum reticulare is interted again, the filament in filament stratum reticulare is in difference
Under the interspersed hydraulic action of direction high-speed water jet, displacement, interspersed, entanglement and obvolvent are produced, so that filament stratum reticulare is obtained
Compression, reinforcing so that compressed filament stratum reticulare no longer restores to the original state, and according to Production requirement, reaching default density is
0.2-2.5 grams/cm, form the spunlace non-woven cloth of ultra high molecular weight polyethylene films;
(6), dry:Spunlace non-woven cloth after secondary spun lacing is reinforced in step (5) is carried out into drying and processing;
(7), wind:The spunlace non-woven cloth of the ultra high molecular weight polyethylene films after step (6) is dried winds packing.
Preferably, the stretching mode in the step (4) can be replaced biaxial tension, by filament stratum reticulare in elongation strain
It is 5-50%, rate of extension is under conditions of 50-5000 mm/mins, elder generation stretches along a direction, then further along another
Individual direction stretching.
Preferably, in 0.5-20dtex, strength scope is in 25- for the filametntary Denier range of the ultra high molecular polyethylene
45cN/dtex。
Embodiment 1:
A kind of preparation technology of the spunlace non-woven cloth of ultra high molecular weight polyethylene films, comprises the following steps:
(1), get the raw materials ready:According to Production requirement, ultra high molecular weight polyethylene films are prepared according to quantity;
(2), laying:Ultra high molecular weight polyethylene films are stacked on request;
(3), spun lacing is reinforced:Spun lacing uses 3 water jets, and pressure is 10Mpa, by the fine water flow jet of high pressure to step
(2) on the ultra high molecular weight polyethylene films layer of stacking, ultra high molecular weight polyethylene films layer fibrillation, ultra high molecular polyethylene fiber are made
In 0.5dtex, in 25cN/dtex, the fine water flow jet of high pressure makes filament mutually tangle to strength scope to the Denier range of silk, and
Filament is compressed, filament stratum reticulare is formed;
(4), stretch:After spun lacing 50 minutes, the filament stratum reticulare after compression is carried out into stretch processing, elongation strain is
10%, under conditions of rate of extension is 500 mm/mins, stretched along direction;
(5), secondary spun lacing is reinforced:Spun lacing uses 2 water jets, and pressure is 5Mpa, by the fine water flow jet of high pressure to fibre
After dimension silk screen layer, rebounded by holding lace curtaining, filament stratum reticulare is interted again, the filament in filament stratum reticulare is in different directions
Under the interspersed hydraulic action of high-speed water jet, produce displacement, it is interspersed, tangle and obvolvent so that filament stratum reticulare compressed,
Reinforce so that compressed filament stratum reticulare no longer restores to the original state, according to Production requirement, reach default density for 0.2 gram/
Square centimeter, forms the spunlace non-woven cloth of ultra high molecular weight polyethylene films;
(6), dry:Spunlace non-woven cloth after secondary spun lacing is reinforced in step (5) is carried out into drying and processing;
(7), wind:The spunlace non-woven cloth of the ultra high molecular weight polyethylene films after step (6) is dried winds packing.
Embodiment 2:
A kind of preparation technology of the spunlace non-woven cloth of ultra high molecular weight polyethylene films, comprises the following steps:
(1), get the raw materials ready:According to Production requirement, ultra high molecular weight polyethylene films are prepared according to quantity;
(2), laying:Ultra high molecular weight polyethylene films are stacked on request;
(3), spun lacing is reinforced:Spun lacing uses 4 water jets, and pressure is 30Mpa, by the fine water flow jet of high pressure to step
(2) on the ultra high molecular weight polyethylene films layer of stacking, ultra high molecular weight polyethylene films layer fibrillation, ultra high molecular polyethylene fiber are made
In 12dtex, in 35cN/dtex, the fine water flow jet of high pressure makes filament mutually tangle to strength scope to the Denier range of silk, and
Filament is compressed, filament stratum reticulare is formed;
(4), stretch:After spun lacing 55 minutes, the filament stratum reticulare after compression is carried out into stretch processing, elongation strain is
35%, rate of extension is under conditions of 3500 mm/mins, elder generation stretches along a direction, then further along another direction
Stretching;
(5), secondary spun lacing is reinforced:Spun lacing uses 2 water jets, and pressure is 18Mpa, by the fine water flow jet of high pressure to fibre
After dimension silk screen layer, rebounded by holding lace curtaining, filament stratum reticulare is interted again, the filament in filament stratum reticulare is in different directions
Under the interspersed hydraulic action of high-speed water jet, produce displacement, it is interspersed, tangle and obvolvent so that filament stratum reticulare compressed,
Reinforce so that compressed filament stratum reticulare no longer restores to the original state, according to Production requirement, reach default density for 1.5 grams/
Square centimeter, forms the spunlace non-woven cloth of ultra high molecular weight polyethylene films;
(6), dry:Spunlace non-woven cloth after secondary spun lacing is reinforced in step (5) is carried out into drying and processing;
(7), wind:The spunlace non-woven cloth of the ultra high molecular weight polyethylene films after step (6) is dried winds packing.
Embodiment 3:
A kind of preparation technology of the spunlace non-woven cloth of ultra high molecular weight polyethylene films, comprises the following steps:
(1), get the raw materials ready:According to Production requirement, ultra high molecular weight polyethylene films are prepared according to quantity;
(2), laying:Ultra high molecular weight polyethylene films are stacked on request;
(3), spun lacing is reinforced:Spun lacing uses 5 water jets, and pressure is 50Mpa, by the fine water flow jet of high pressure to step
(2) on the ultra high molecular weight polyethylene films layer of stacking, ultra high molecular weight polyethylene films layer fibrillation, ultra high molecular polyethylene fiber are made
In 20dtex, in 45cN/dtex, the fine water flow jet of high pressure makes filament mutually tangle to strength scope to the Denier range of silk, and
Filament is compressed, filament stratum reticulare is formed;
(4), stretch:After spun lacing 60 minutes, the filament stratum reticulare after compression is carried out into stretch processing, elongation strain is
50%, under conditions of rate of extension is 5000 mm/mins, stretched along direction;
(5), secondary spun lacing is reinforced:Spun lacing uses 3 water jets, and pressure is 20Mpa, by the fine water flow jet of high pressure to fibre
After dimension silk screen layer, rebounded by holding lace curtaining, filament stratum reticulare is interted again, the filament in filament stratum reticulare is in different directions
Under the interspersed hydraulic action of high-speed water jet, produce displacement, it is interspersed, tangle and obvolvent so that filament stratum reticulare compressed,
Reinforce so that compressed filament stratum reticulare no longer restores to the original state, according to Production requirement, reach default density for 2.5 grams/
Square centimeter, forms the spunlace non-woven cloth of ultra high molecular weight polyethylene films;
(6), dry:Spunlace non-woven cloth after secondary spun lacing is reinforced in step (5) is carried out into drying and processing;
(7), wind:The spunlace non-woven cloth of the ultra high molecular weight polyethylene films after step (6) is dried winds packing.
The preferred embodiment of invention is the foregoing is only, is not intended to limit the invention, it is all in spirit of the invention
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (8)
1. a kind of spunlace non-woven cloth of ultra high molecular weight polyethylene films, it is characterised in that including ultra high molecular weight polyethylene films layer,
Using on the fine water flow jet of high pressure to one or more layers ultra high molecular weight polyethylene films layer, make ultra high molecular weight polyethylene films
Layer fibrillation, the fine water flow jet of high pressure makes filament that fibre web is combined into the form of tangling, repeatedly spun lacing so that filament
Net is able to compress, reinforces, and the spunlace non-woven cloth of ultra high molecular weight polyethylene films is formed after drying.
2. the spunlace non-woven cloth of ultra high molecular weight polyethylene films according to claim 1, it is characterised in that the spun lacing is adopted
With 3-5 water jet, pressure is 5-50Mpa.
3. the spunlace non-woven cloth of ultra high molecular weight polyethylene films according to claim 2, it is characterised in that described by spun lacing
The elongated fibers of a diameter of 0.003-0.03mm of the superhigh molecular weight polyethylene fibers silk after division.
4. the spunlace non-woven cloth of ultra high molecular weight polyethylene films according to claim 3, it is characterised in that the composition water
The superhigh molecular weight polyethylene fibers silk of prick nonwoven cloth is the continuous fiber filament not cut off, the filament length, institute
Filametntary length is stated for 5-3000mm.
5. the preparation technology of the spunlace non-woven cloth of the ultra high molecular weight polyethylene films according to any one of claim 1-4,
It is characterised in that it includes following steps:
(1), get the raw materials ready:According to Production requirement, ultra high molecular weight polyethylene films are prepared according to quantity;
(2), laying:Ultra high molecular weight polyethylene films are stacked on request;
(3), spun lacing is reinforced:Spun lacing uses 3-5 water jet, and pressure is 5-50Mpa, by the fine water flow jet of high pressure to step
(2) on the ultra high molecular weight polyethylene films layer of stacking, ultra high molecular weight polyethylene films layer fibrillation is made, the fine water flow jet of high pressure makes
Filament mutually tangles, and is compressed filament, forms filament stratum reticulare;
(4), stretch:After spun lacing 50-60 minutes, the filament stratum reticulare after compression is carried out into stretch processing, elongation strain is 5-
50%, under conditions of rate of extension is 50-5000 mm/mins, stretched along direction;
(5), secondary spun lacing is reinforced:Spun lacing uses 2-3 water jet, and pressure is 2-20Mpa, by the fine water flow jet of high pressure to fibre
After dimension silk screen layer, rebounded by holding lace curtaining, filament stratum reticulare is interted again, the filament in filament stratum reticulare is in different directions
Under the interspersed hydraulic action of high-speed water jet, produce displacement, it is interspersed, tangle and obvolvent so that filament stratum reticulare compressed,
Reinforce so that compressed filament stratum reticulare no longer restores to the original state, according to Production requirement, reach default density for 0.2-
2.5 grams/cm, form the spunlace non-woven cloth of ultra high molecular weight polyethylene films;
(6), dry:Spunlace non-woven cloth after secondary spun lacing is reinforced in step (5) is carried out into drying and processing;
(7), wind:The spunlace non-woven cloth of the ultra high molecular weight polyethylene films after step (6) is dried winds packing.
6. the preparation technology of the spunlace non-woven cloth of ultra high molecular weight polyethylene films according to claim 5, it is characterised in that
Comprise the following steps:
(1), get the raw materials ready:According to Production requirement, ultra high molecular weight polyethylene films are prepared according to quantity;
(2), laying:Ultra high molecular weight polyethylene films are stacked on request;
(3), spun lacing is reinforced:Spun lacing uses 4 water jets, and pressure is 30Mpa, by the fine water flow jet of high pressure to step (2) heap
On folded ultra high molecular weight polyethylene films layer, make ultra high molecular weight polyethylene films layer fibrillation, the fine water flow jet of high pressure makes fiber
Silk mutually tangles, and is compressed filament, forms filament stratum reticulare;
(4), stretch:After spun lacing 55 minutes, the filament stratum reticulare after compression is carried out into stretch processing, elongation strain is 35%, drawn
Speed is stretched under conditions of 3500 mm/mins, to be stretched along a direction;
(5), secondary spun lacing is reinforced:Spun lacing uses 2 water jets, and pressure is 18Mpa, by the fine water flow jet of high pressure to filament
After stratum reticulare, rebounded by holding lace curtaining, interted filament stratum reticulare again, the filament in filament stratum reticulare in different directions at a high speed
Under the interspersed hydraulic action of water jet, displacement, interspersed, entanglement and obvolvent are produced, so that filament stratum reticulare is compressed, added
Gu so that compressed filament stratum reticulare no longer restores to the original state, according to Production requirement, reach default density for 1.5 grams/it is flat
Square centimetre, form the spunlace non-woven cloth of ultra high molecular weight polyethylene films;
(6), dry:Spunlace non-woven cloth after secondary spun lacing is reinforced in step (5) is carried out into drying and processing;
(7), wind:The spunlace non-woven cloth of the ultra high molecular weight polyethylene films after step (6) is dried winds packing.
7. the preparation technology of the spunlace non-woven cloth of the ultra high molecular weight polyethylene films according to any one of claim 5 or 6,
In elongation strain it is 5- by filament stratum reticulare characterized in that, the stretching mode in the step (4) can be replaced biaxial tension
50%, rate of extension is under conditions of 50-5000 mm/mins, elder generation stretches along a direction, then further along another side
To stretching.
8. the spunlace non-woven cloth preparation technology of the ultra high molecular weight polyethylene films according to any one of claim 5 or 6, it is special
Levy and be, in 0.5-20dtex, strength scope is in 25-45cN/dtex for the filametntary Denier range of ultra high molecular polyethylene.
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CN111254580A (en) * | 2020-03-02 | 2020-06-09 | 桐乡佳车科技股份有限公司 | Manufacturing method of split fiber non-woven fabric |
CN114347598A (en) * | 2021-12-21 | 2022-04-15 | 北京普凡防护科技有限公司 | Preparation method and application of flexible material for puncture prevention |
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