CN106637682A - Ultrahigh molecular weight polyethylene filament nonwoven fabric based on film-splitting method and production process thereof - Google Patents
Ultrahigh molecular weight polyethylene filament nonwoven fabric based on film-splitting method and production process thereof Download PDFInfo
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- CN106637682A CN106637682A CN201611272543.4A CN201611272543A CN106637682A CN 106637682 A CN106637682 A CN 106637682A CN 201611272543 A CN201611272543 A CN 201611272543A CN 106637682 A CN106637682 A CN 106637682A
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
- D04H3/007—Addition polymers
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/002—Inorganic yarns or filaments
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/002—Inorganic yarns or filaments
- D04H3/004—Glass yarns or filaments
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
- D04H3/102—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically by needling
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/021—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polyethylene
- D10B2321/0211—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polyethylene high-strength or high-molecular-weight polyethylene, e.g. ultra-high molecular weight polyethylene [UHMWPE]
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention discloses an ultrahigh molecular weight polyethylene filament nonwoven fabric based on film-splitting method, comprising filament fiber mesh made by laying ultrahigh molecular weight polyethylene fiber filaments 0.5-20 dtex in average fineness, the filament fiber mesh is compressed by means of repeated needle-punching reinforcing and drawing to form the ultrahigh molecular weight polyethylene filament nonwoven fabric based on film-splitting method. The production process comprises: (1) preparing materials; (2) splitting; (3) lapping; (4) needle-punching; (5) rolling. The ultrahigh molecular weight polyethylene filament nonwoven fabric based on film-splitting method and the production process thereof have the advantages that the fabric is produced by one-time forming, the defects of the prior art such as poor firmness of nonwoven fabric and complexity of the preparation process can be overcome, overall strength of the filament nonwoven fabric is enhanced, and the nonwoven fabric has good water permeability and air permeability and is widely applicable.
Description
Technical field
The present invention relates to field of nonwoven fabric technology, more particularly to a kind of ultra-high molecular weight polyethylene for splitting method based on film is long
Silk non-woven fabrics and its preparation technology.
Background technology
The material for preparing of simple tension film is ultra-high molecular weight polyethylene, PTFE, polypropylene, PPS (polyphenylene sulfide), P84
(polyimides), wherein, superhigh molecular weight polyethylene fibers, also known as high-strength high-modulus polyethylene fiber, are at present in the world than strong
Degree and specific modulus highest fiber, polyethylene institute spun fiber of its molecular weight 1,000,000～5,000,000.Super high molecular weight is gathered
Vinyl fiber 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, meanwhile, the advantages of with ultra-violet radiation resisting, resistance to chemical attack, 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, capable of circulation
The features such as using again.As adopted polypropylene (pp materials) pellet for raw material, Jing high-temperature fusions, spinneret, paving guiding principle, hot pressing are batched continuously more
One-step production is formed.Cloth is called because of the outward appearance with cloth and some performances.Realize 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..
The cloth of method shaping, manufacture are tangled etc. more than the manufacture of existing non-woven fabrics using the direct hot melt adhesive of chopped fiber, machinery
Process is relatively easy, low cost. but the binding site of hot melt adhesive only occurs in fiber intersection points, advantage be have elasticity well and
Fluffy degree, has the disadvantage the cutting or directly purchase of chopped fiber, transport and personnel cost is increased, due to the spy of chopped fiber itself
There is the defect of fiber head, uneven surface in point, the non-woven fabrics prepared.
In prior art, splitting method film by film and split the filament fiber for can not make non-woven fabrics, for manufacturing woven bag etc.,
While how film is split the filament fiber manufacture non-woven fabrics for, filament fiber is not cut off, be non-woven fabrics directly into the method for cloth
The new trend of technical field.
The content of the invention
For defect present in prior art or deficiency, the present invention is innovatively proposed a kind of splits the super of method based on film
High molecular weight polyethylene continuous yarn non-woven fabrics and its preparation technology, one-shot forming manufacture can overcome non-woven fabrics jail in prior art
The defects such as solidity is poor, complicated process of preparation, the overall dynamics of the ultra-high molecular weight polyethylene continuous yarn non-woven fabrics for making to split method based on film
Strengthen, with good permeable, permeability, application is extensive.
The technical scheme is that what is be achieved in that：
The ultra-high molecular weight polyethylene continuous yarn non-woven fabrics of method are split based on film, including the surpassing for 0.5-20dtex by average fineness
The filament web of high molecular weight polyethylene fiber long filament laying, the mode reinforced using repeated puncture and stretched makes long filament
Fleece is compressed, and the ultra-high molecular weight polyethylene continuous yarn non-woven fabrics of method are split in formation based on film.
Preferably, the needling density of the filament web is 100-800 pins/square centimeter.
Preferably, it is mixed with metal fiber wire or glass fiber in the ultra-high molecular weight polyethylene continuous yarn non-woven fabrics
One or two.
Preferably, percentage by weight shared by the superhigh molecular weight polyethylene fibers long filament in the composition filament is 20-
80%, percentage by weight shared by the metal fiber wire is 10-35%, and percentage by weight shared by the glass fiber is 10-
45%.
Preferably, the elongated fibers of a diameter of 0.003-0.03mm of the superhigh molecular weight polyethylene fibers long filament, institute
State the elongated fibers of a diameter of 0.005-0.05mm of metal fiber wire, a diameter of 0.004-0.04mm of the glass fiber
Elongated fibers.
Preferably, the fiber filament constituted in ultra-high molecular weight polyethylene continuous yarn non-woven fabrics is the fibre continuously not cut off
Dimension long filament, the length of the fiber filament, the length >=100mm of the fiber filament.
Preferably, the ultra high molecular weight polyethylene films are one-way membrane.
The invention also discloses a kind of preparation technology of the ultra-high molecular weight polyethylene continuous yarn non-woven fabrics that method is split based on film, bag
Include following steps：
(1), get the raw materials ready：According to Production requirement, ultra-high molecular weight polyethylene one-way membrane is prepared according to quantity；
(2), fibrillation：The ultra-high molecular weight polyethylene one-way membrane Jing films of step (1) are split into device and cuts into 100-50000 roots
The superhigh molecular weight polyethylene fibers long filament of method is split based on film；
(3), lapping：Jing films in step (2) are split into the obtained superhigh molecular weight polyethylene fibers that method is split based on film of device
Long filament is dispersed and is laid on lapper lace curtaining, by the reciprocal laying of lapper lace curtaining, is formed and splits the super of method based on film
High molecular weight polyethylene filament web is intersected with each other to be stacked on output lace curtaining；
(4), acupuncture：It is the pricker of triangle and seamed edge with hook thorn using section, by filament fiber obtained in step (3)
Net carries out acupuncture, and when several prickers are pierced into filament web, the hook thorn on pricker can be with the fibre of filament fiber net surface
Dimension passes through filament web with pricker, mutually tangles, and in the presence of frictional force, is compressed filament web, and acupuncture adds
Gu when, fiber filament departs from hook thorn and rests in the vertical state in filament web so that compressed filament web
No longer restore to the original state, according to Production requirement, reach default density for 0.2-2.5 gram/cm, formation splits method based on film
Ultra-high molecular weight polyethylene continuous yarn non-woven fabrics；
(5), wind：The obtained ultra-high molecular weight polyethylene continuous yarn non-woven fabrics winding for splitting method based on film of step (4) is beaten
Bag.
Preferably, the needling density of the filament web is 100-800 pins/square centimeter.
Preferably, it is characterised in that the Denier range of the superhigh molecular weight polyethylene fibers long filament that method is split based on film
In 0.5-20dtex, strength scope is in 25-45cN/dtex.
Compared with prior art, the beneficial effects of the present invention is：
The invention discloses a kind of ultra-high molecular weight polyethylene continuous yarn non-woven fabrics and its preparation technology that method is split based on film, should
Technique is split method and directly ultra-high molecular weight polyethylene one-way membrane is split into device by film and is cut into the superelevation point that method is split based on film by film
Sub- weight polyethylene fiber long filament, then subsequently prepare during non-woven fabrics without the need for cut staple long filament, with other technique productions
Non-woven fabrics compares, the mode of one-step shaping, saves traditional fibre cutting, opens bag, staple card lapping operation, saves
The production cost of artificial and product, reduces the transit link of chopped fiber, also prevent two of chopped fiber in transportation
Secondary pollution.
The ultra-high molecular weight polyethylene continuous yarn non-woven fabrics that method is split based on film of the present invention, one-shot forming manufacture, can overcome
Non-woven fabrics fastness is poor in prior art, complicated process of preparation, increase the defects such as human cost, makes the superelevation point that method is split based on film
The overall dynamics of sub- weight northylen continuous yarn non-woven fabrics strengthens, with good flexibility, water penetration, permeability etc., meanwhile, gram
The defect that fiber head is excessive, surface is not smooth enough has been taken in conventional staple non-woven fabrics, and application is 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 the embodiment of whole.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.
The invention provides a kind of ultra-high molecular weight polyethylene continuous yarn non-woven fabrics that method is split based on film, including by average fineness
For the filament web of the superhigh molecular weight polyethylene fibers long filament laying that method is split based on film of 0.5-20dtex, utilize anti-
Multiple pinprick reinforcement and the mode of stretching are compressed filament web, and formation is long based on the ultra-high molecular weight polyethylene that film splits method
Silk non-woven fabrics；The needling density of filament web is 100-800 pins/square centimeter；The superhigh molecular weight polyethylene of method is split based on film
Be mixed with metal fiber wire or glass fiber in alkene continuous yarn non-woven fabrics one or two, wherein, surpass in composition filament
Percentage by weight shared by high molecular weight polyethylene fiber long filament is 20-80%, percentage by weight shared by metal fiber wire is 10-
35%th, percentage by weight shared by glass fiber is 10-45%；A diameter of 0.003- of superhigh molecular weight polyethylene fibers long filament
The elongated fibers of 0.03mm, the elongated fibers of a diameter of 0.005-0.05mm of metal fiber wire, glass fiber it is a diameter of
The elongated fibers of 0.004-0.04mm；Composition splits the fiber filament in the ultra-high molecular weight polyethylene continuous yarn non-woven fabrics of method based on film
For the fiber filament continuously not cut off, the length of the fiber filament, the length >=100mm of the fiber filament.
Embodiment 1：
A kind of preparation technology of the ultra-high molecular weight polyethylene continuous yarn non-woven fabrics that method is split based on film, is comprised the steps：
(1), get the raw materials ready：According to Production requirement, ultra-high molecular weight polyethylene one-way membrane is prepared according to quantity；
(2), fibrillation：The ultra-high molecular weight polyethylene one-way membrane Jing films of step (1) are split into device cut into 10000 and be based on
Film splits the superhigh molecular weight polyethylene fibers long filament of method, and the Denier range of the superhigh molecular weight polyethylene fibers long filament exists
5dtex, strength scope is in 25cN/dtex；
(3), lapping：Jing films in step (2) are split into the obtained superhigh molecular weight polyethylene fibers that method is split based on film of device
Long filament is dispersed and is laid on lapper lace curtaining, by the reciprocal laying of lapper lace curtaining, is formed and splits the super of method based on film
High molecular weight polyethylene filament web is intersected with each other to be stacked on output lace curtaining；
(4), acupuncture：It is the pricker of triangle and seamed edge with hook thorn using section, by filament fiber obtained in step (3)
Net carries out acupuncture, and the needling density of filament web is 100 pins/square centimeter；When several prickers are pierced into filament web,
Hook thorn on pricker can pass through filament web with the fiber of filament fiber net surface with pricker, mutually tangle, in frictional force
In the presence of, filament web is compressed, during pinprick reinforcement, fiber filament departs from hook thorn and rests on length in the vertical state
In silk fiber net so that compressed filament web no longer restores to the original state, according to Production requirement, reaching default density is
0.2 gram/cm, the ultra-high molecular weight polyethylene continuous yarn non-woven fabrics of method are split in formation based on film；
(5), wind：The obtained ultra-high molecular weight polyethylene continuous yarn non-woven fabrics winding for splitting method based on film of step (4) is beaten
Bag.
Embodiment 2：
A kind of preparation technology of the ultra-high molecular weight polyethylene continuous yarn non-woven fabrics that method is split based on film, is comprised the steps：
(1), get the raw materials ready：According to Production requirement, ultra-high molecular weight polyethylene one-way membrane is prepared according to quantity；
(2), fibrillation：The ultra-high molecular weight polyethylene one-way membrane Jing films of step (1) are split into device cut into 30000 and be based on
Film splits the superhigh molecular weight polyethylene fibers long filament of method, and the Denier range of the superhigh molecular weight polyethylene fibers long filament exists
15dtex, strength scope is in 35cN/dtex；
(3), lapping：Jing films in step (2) are split into the obtained superhigh molecular weight polyethylene fibers that method is split based on film of device
Long filament is dispersed and is laid on lapper lace curtaining, by the reciprocal laying of lapper lace curtaining, is formed and splits the super of method based on film
High molecular weight polyethylene filament web is intersected with each other to be stacked on output lace curtaining；
(4), acupuncture：It is the pricker of triangle and seamed edge with hook thorn using section, by filament fiber obtained in step (3)
Net carries out acupuncture, and the needling density of filament web is 550 pins/square centimeter；When several prickers are pierced into filament web,
Hook thorn on pricker can pass through filament web with the fiber of filament fiber net surface with pricker, mutually tangle, in frictional force
In the presence of, filament web is compressed, during pinprick reinforcement, fiber filament departs from hook thorn and rests on length in the vertical state
In silk fiber net so that compressed filament web no longer restores to the original state, according to Production requirement, reaching default density is
1.5 grams/cm, the ultra-high molecular weight polyethylene continuous yarn non-woven fabrics of method are split in formation based on film；
(5), wind：The obtained ultra-high molecular weight polyethylene continuous yarn non-woven fabrics winding for splitting method based on film of step (4) is beaten
Bag.
Embodiment 3：
A kind of preparation technology of the ultra-high molecular weight polyethylene continuous yarn non-woven fabrics that method is split based on film, is comprised the steps：
(1), get the raw materials ready：According to Production requirement, ultra-high molecular weight polyethylene one-way membrane is prepared according to quantity；
(2), fibrillation：The ultra-high molecular weight polyethylene one-way membrane Jing films of step (1) are split into device cut into 50000 and be based on
Film splits the superhigh molecular weight polyethylene fibers long filament of method, and the Denier range of the superhigh molecular weight polyethylene fibers long filament exists
20dtex, strength scope is in 45cN/dtex；
(3), lapping：Jing films in step (2) are split into the obtained superhigh molecular weight polyethylene fibers that method is split based on film of device
Long filament is dispersed and is laid on lapper lace curtaining, by the reciprocal laying of lapper lace curtaining, is formed and splits the super of method based on film
High molecular weight polyethylene filament web is intersected with each other to be stacked on output lace curtaining；
(4), acupuncture：It is the pricker of triangle and seamed edge with hook thorn using section, by filament fiber obtained in step (3)
Net carries out acupuncture, and the needling density of filament web is 800 pins/square centimeter；When several prickers are pierced into filament web,
Hook thorn on pricker can pass through filament web with the fiber of filament fiber net surface with pricker, mutually tangle, in frictional force
In the presence of, filament web is compressed, during pinprick reinforcement, fiber filament departs from hook thorn and rests on length in the vertical state
In silk fiber net so that compressed filament web no longer restores to the original state, according to Production requirement, reaching default density is
2.5 grams/cm, the ultra-high molecular weight polyethylene continuous yarn non-woven fabrics of method are split in formation based on film；
(5), wind：The obtained ultra-high molecular weight polyethylene continuous yarn non-woven fabrics winding for splitting method based on film of step (4) is beaten
Bag.
The preferred embodiment of invention is the foregoing is only, not to limit the present invention, all spirit in the present invention
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. the ultra-high molecular weight polyethylene continuous yarn non-woven fabrics of method are split based on film, it is characterised in that include that by average fineness be 0.5-
The filament web of the superhigh molecular weight polyethylene fibers long filament laying of 20dtex, is reinforced using repeated puncture and is stretched
Mode is compressed filament web, and the ultra-high molecular weight polyethylene continuous yarn non-woven fabrics of method are split in formation based on film.
2. ultra-high molecular weight polyethylene continuous yarn non-woven fabrics that method is split based on film according to claim 1, it is characterised in that institute
The needling density for stating filament web is 100-800 pins/square centimeter.
3. ultra-high molecular weight polyethylene continuous yarn non-woven fabrics that method is split based on film according to claim 1, it is characterised in that institute
State one or two that be mixed with ultra-high molecular weight polyethylene continuous yarn non-woven fabrics in metal fiber wire or glass fiber.
4. ultra-high molecular weight polyethylene continuous yarn non-woven fabrics that method is split based on film according to claim 2, it is characterised in that institute
State composition filament in superhigh molecular weight polyethylene fibers long filament shared by percentage by weight be 20-80%, the metallic fiber
The shared percentage by weight of silk is 10-35%, and percentage by weight shared by the glass fiber is 10-45%.
5. ultra-high molecular weight polyethylene continuous yarn non-woven fabrics that method is split based on film according to claim 3, it is characterised in that institute
State the elongated fibers of a diameter of 0.003-0.03mm of superhigh molecular weight polyethylene fibers long filament, the diameter of the metal fiber wire
For the elongated fibers of 0.005-0.05mm, the elongated fibers of a diameter of 0.004-0.04mm of the glass fiber.
6. ultra-high molecular weight polyethylene continuous yarn non-woven fabrics that method is split based on film according to claim 1, it is characterised in that institute
It is the fiber filament continuously not cut off to state the fiber filament constituted in ultra-high molecular weight polyethylene continuous yarn non-woven fabrics, and the fiber is long
The length of silk, the length >=100mm of the fiber filament.
7. ultra-high molecular weight polyethylene continuous yarn non-woven fabrics that method is split based on film according to claim 1, it is characterised in that institute
Ultra high molecular weight polyethylene films are stated for one-way membrane.
8. the preparation of the ultra-high molecular weight polyethylene continuous yarn non-woven fabrics that method is split based on film according to any one of claim 1-7
Technique, it is characterised in that comprise the steps：
(1), get the raw materials ready：According to Production requirement, ultra-high molecular weight polyethylene one-way membrane is prepared according to quantity；
(2), fibrillation：The ultra-high molecular weight polyethylene one-way membrane Jing films of step (1) are split into device cut into 100-50000 and be based on
Film splits the superhigh molecular weight polyethylene fibers long filament of method；
(3), lapping：Jing films in step (2) are split into the obtained superhigh molecular weight polyethylene fibers long filament that method is split based on film of device
It is dispersed and be laid on lapper lace curtaining, by the reciprocal laying of lapper lace curtaining, form the superelevation point that method is split based on film
Sub- weight northylen filament web is intersected with each other to be stacked on output lace curtaining；
(4), acupuncture：It is the pricker of triangle and seamed edge with hook thorn using section, filament web obtained in step (3) is entered
The hand-manipulating of needle is pierced, when several prickers are pierced into filament webs, the hook thorn on pricker can with the fiber of filament fiber net surface with
Pricker passes through filament web, mutually tangles, and in the presence of frictional force, is compressed filament web, during pinprick reinforcement,
Fiber filament departs from hook thorn and rests in the vertical state in filament web so that compressed filament web is no longer extensive
Shape is restored, according to Production requirement, default density is reached for 0.2-2.5 gram/cm, the superelevation point that method is split based on film is formed
Sub- weight northylen continuous yarn non-woven fabrics；
(5), wind：By the obtained ultra-high molecular weight polyethylene continuous yarn non-woven fabrics winding packing that method is split based on film of step (4).
9. the preparation technology of the ultra-high molecular weight polyethylene continuous yarn non-woven fabrics that method is split based on film according to claim 8, its
It is characterised by, the needling density of the filament web is 100-800 pins/square centimeter.
10. the preparation technology of the ultra-high molecular weight polyethylene continuous yarn non-woven fabrics that method is split based on film according to claim 8, its
It is characterised by, the Denier range of the superhigh molecular weight polyethylene fibers long filament that method is split based on film is in 0.5-20dtex, strength
Scope is in 25-45cN/dtex.
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| CN201611272543.4A CN106637682A (en) | 2016-12-30 | 2016-12-30 | Ultrahigh molecular weight polyethylene filament nonwoven fabric based on film-splitting method and production process thereof |
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| CN201611272543.4A CN106637682A (en) | 2016-12-30 | 2016-12-30 | Ultrahigh molecular weight polyethylene filament nonwoven fabric based on film-splitting method and production process thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN115262092A (en) * | 2022-07-27 | 2022-11-01 | 上海精发实业股份有限公司 | Orange petal cleavage type double-component filament needle-punched electrostatic cotton and preparation method thereof |
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| 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 |
| CN114347598B (en) * | 2021-12-21 | 2022-09-02 | 北京普凡防护科技有限公司 | Preparation method and application of flexible material for puncture prevention |
| CN115262092A (en) * | 2022-07-27 | 2022-11-01 | 上海精发实业股份有限公司 | Orange petal cleavage type double-component filament needle-punched electrostatic cotton and preparation method thereof |
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Application publication date: 20170510 |