CN104911809A - Profiled fiber non-woven fabric and manufacturing method thereof - Google Patents
Profiled fiber non-woven fabric and manufacturing method thereof Download PDFInfo
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- CN104911809A CN104911809A CN201510247481.0A CN201510247481A CN104911809A CN 104911809 A CN104911809 A CN 104911809A CN 201510247481 A CN201510247481 A CN 201510247481A CN 104911809 A CN104911809 A CN 104911809A
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Abstract
The invention belongs to the field of functional textile materials and discloses profiled fiber non-woven fabric and a manufacturing method thereof. Short profiled fiber and non-profiled fiber are taken as the base material and dispersed and mixed into a mixed fiber layer according to a certain mass ratio, and then lapping, needling or spunlace processing and hot pressing are conducted so as to obtain the profiled fiber non-woven fabric. The manufacturing method has the advantages that manufacturing technology is simple, and the hardness of the manufactured non-woven fabric is controllable. The manufactured non-woven fabric contains polymer fiber, can be widely applied to air filtration, metallurgy and the like, and has the advantages of being low in cost and wide in application range.
Description
[technical field]
The invention belongs to function textile material field, be specifically related to a kind of profiled filament nonwoven fabric and preparation method thereof.
[background technology]
Profiled filament refers to the fiber with special cross section shape that the spinneret orifice through certain geometry (non-round) spins.Also " profiled fibre " is claimed.Profiled filament is for circular fiber.It is with there being the spinneret hole of particular geometry to squeeze out, and makes cross section be the fiber of certain geometrical shape.
Due to the fibre structure that it is special, profiled filament, compared with conventional fibre, has following features.(1) optical effect is good; (2) surface area is large, can strengthen covering power, reduces fabric transparency, can also improve the shortcoming of the easy balling-up of conventional circular fiber; (3) bulkiness and gas permeability excellence, because cross section is special shape, the cohesive force between energy fortifying fibre, improves bulkiness and the gas permeability of fabric; (4) anti-performance of reeling off raw silk from cocoons is better than circular fiber.Profiled filament in a large number for woven, braiding and carpet industry in.China utilizes profiled filament mainly to produce textiles and knitwear, as produced imitative cambric, poult-de-soie, imitative thin silk, imitative thin,tough silk and woollen fancy suiting etc.
Due to the property of foreign fiber, adopt nonwoven needled technique in traditional needle punched non-woven fabrics, polyester staple fiber is carded to the cloth that fiber is staggered, space is evenly distributed, then acupuncture becomes felt.This manufacture craft has good mechanical property, and fabric size is stablized, and anti-wear performance is good, and voidage is large, and permeability is good, long service life, under normal temperature condition, just has good mechanical property and resistance to acids and bases.But in order to obtain larger nonwoven fabric specific area, better adsorption effect, the fiber that dawn number is thinner can only be adopted, this just causes being difficult to carry out in techniques such as the shaping middle lapping of nonwoven fabric, acupunctures, and cause the nonwoven fabric finished product of preparation too soft, cannot use in the field that some are special, significantly limit the scope of application of this kind nonwoven fabric.
Application number be 201310535900.1 patent discloses a kind of multifunctional special-shaped fabric lining, it comprises fabric body, described fabric comprises organizine and tram, described organizine is polyester heteromorphic fibre and cotton profiled filament, and described tram is polyester heteromorphic fibre, numb profiled filament, cotton profiled filament.This invention case have structure simple, be conducive to the features such as large-scale production, gas permeability are high, advantages of good adsorption effect, good in optical property.But the weak point of this invention is to utilize traditional organizine and the programming structure of tram, causes complex manufacturing, the shortcomings such as production cost is high.
Application number is 201310024724.5 preparation methods disclosing a kind of acoustextile, ball mill is adopted to be dispersed in polyethylene glycol by nano silicon, prepare shear thickening fluid, dilute with absolute ethyl alcohol again, the textiles of profiled filament manufacture is immersed in fluid completely, after the solution of ultrasonic, withhold excessive, dry, namely prepare a kind of acoustextile material.Preparation method's weak point that this invention provides is to utilize profiled filament to adsorb thickening liquid, prepares sound-absorbing material, cannot by the control of production technology, and what adjust textile material shows hardness, limits the scope of application of this material.
[summary of the invention]
For the problems referred to above, the invention provides a kind of profiled filament nonwoven fabric and preparation method thereof, by adding the non-profiled filament of different content and the control to the hot pressing temperature in heat pressing process and hot pressing time, prepare the profiled filament nonwoven fabric of different surfaces hardness, and preparation technology is simple, with low cost.
The present invention is achieved by the following technical solutions, and provide a kind of profiled filament nonwoven fabric, raw material is calculated by mass percentage, comprises following component:
Abnormity staple fibre 60% ~ 100%,
Non-profiled filament 0% ~ 40%.
Especially, described special-shaped staple fibre is one or both the combination in PET abnormity staple fibre, PBT abnormity staple fibre, PTT abnormity staple fibre, polypropylene abnormity staple fibre, PLA abnormity staple fibre.
Especially, described special-shaped staple fibre cross section comprises triangle, X-shaped, H-shaped, Y shape, pentagon, trilobal cross, four blade profiles, five blade profiles, fan-shaped, hollow type.
Especially, described non-profiled filament to be cross section be circular polypropylene fibre, cross section are circular polyester fiber, cross section is one in circular acid fiber by polylactic.
The present invention is also achieved through the following technical solutions, and provides a kind of preparation method of profiled filament nonwoven fabric, comprises the following steps:
S1: prepare mixed fiber layer;
S2: preparation blended fiber net;
S3: be prepared into nonwoven fabric.
Especially, described step S1 specifically implements according to the following steps:
Be that 60 ~ 100:0 ~ 40 mix in mass ratio by special-shaped staple fibre and non-profiled filament, through opener shredding and dispersion treatment, mix, obtain the mixed fiber layer of special-shaped staple fibre and non-profiled filament.
Especially, described step S2 specifically implements according to the following steps:
By the mixed fiber layer lay prepared in step S1 on the lapping curtain rotated, form the blended fiber net that 1 ~ 10mm is thick, wherein the order number of lapping curtain is 50 orders.
Especially, described step S1 specifically implements according to the following steps:
The mixed fiber layer prepared in step S2 is carried out acupuncture or water thorn, hot-pressing processing, be prepared into nonwoven fabric, described hot pressing time is 1 ~ 30min, and hot pressing temperature is 90 ~ 250 DEG C.
Compared to prior art, a kind of profiled filament nonwoven fabric provided by the invention and preparation method thereof, selected non-profiled filament is macromolecular fibre, by adding the content of different macromolecular fibre and the control to the hot pressing temperature in heat pressing process and hot pressing time, prepare the profiled filament nonwoven fabric of different surfaces hardness, this nonwoven fabric has the following advantages:
1, the present invention adopts special-shaped staple fibre as the base material producing nonwoven fabric, makes nonwoven fabric under the condition of equal fibre number, has larger specific area, give the excellent gas permeability of this nonwoven fabric and poisture-penetrability.
2, polymer fiber material is added with in nonwoven fabric of the present invention, in the moulding process of hot pressing, fiber can according to different hot pressing time and temperature, generating portion or whole meltings, special-shaped staple fibre is bonded together, thus improves the hardness of nonwoven cloth material;
In sum, preparation method of the present invention is simple, and the nonwoven fabric hardness prepared is controlled, and can extensively use in the industry such as air filtration, metal metallurgy smelting, has expanded the use field of nonwoven cloth material greatly.
[detailed description of the invention]
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is described in more detail.
Embodiment 1
Take the triangle PET opposite sex staple fibre of 100kg, be put in opener that rotating speed is 2500 turns/min, do shredding and dispersion treatment, form triangle PET layer; Then triangle PET layer being put in negative blast in the random web-laying equipment of 5000Pa, is that 50 objects rotation lapping curtains form the thick special-shaped blended fiber net of 1mm at order number; Then special-shaped blended fiber net is carried out acupuncture, hot-pressing processing, wherein hot pressing time is 30min, and hot pressing temperature is 90 DEG C, prepares triangle PET profiled filament nonwoven fabric.
Embodiment 2
Take 90kg Y shape PBT staple fibre, 10kg polypropylene fibre, be put in opener that rotating speed is 2500 turns/min, do shredding and dispersion treatment, form Y shape PET and polyacrylic mixed fiber layer; Then being put in carding machine by mixed fiber layer, is that 50 objects rotation lapping curtains form the thick special-shaped blended fiber net of 3mm at order number; Then special-shaped blended fiber net is carried out acupuncture, hot-pressing processing, wherein hot pressing time is 25min, and hot pressing temperature is 110 DEG C, prepares PET profiled filament nonwoven fabric in low melting point.
Embodiment 3
Take 80kg pentagon PTT staple fibre, 20kg acid fiber by polylactic is put in the opener that rotating speed is 2500 turns/min, does shredding and dispersion treatment, forms Y shape PBT fiber and polyacrylic mixed fiber layer; Then being put in carding machine by mixed fiber layer, is that 50 objects rotation lapping curtains form the thick special-shaped blended fiber net of 5mm at order number; Then special-shaped blended fiber net is carried out acupuncture, hot-pressing processing, wherein hot pressing time is 20min, and hot pressing temperature is 130 DEG C, prepares PBT profiled filament nonwoven fabric in low melting point.
Embodiment 4
Take the trilobal polypropene staple of 70kg, 30kg polyester fiber, be put in opener that rotating speed is 2500 turns/min, do shredding and dispersion treatment, form Y shape ptt fiber and polyacrylic mixed fiber layer; Then being put in carding machine by mixed fiber layer, is 50 objects rotation lapping curtains are formed on 50 object lapping curtains form the thick special-shaped blended fiber net of 7mm at order number; Then special-shaped blended fiber net is carried out acupuncture, hot-pressing processing, wherein hot pressing time is 15min, and hot pressing temperature is 160 DEG C, prepares PTT profiled filament nonwoven fabric in low melting point.
Embodiment 5
Take the quatrefoil polylactic acid short-fiber of 60kg, 40kg polypropylene fibre, be put in opener that rotating speed is 2500 turns/min, do shredding and dispersion treatment, form Y shape PET and polyacrylic fibrage; Then being put in carding machine by mixed fiber layer, is that 50 objects rotation lapping curtains form the thick special-shaped blended fiber net of 8mm at order number; Then special-shaped blended fiber net is carried out acupuncture, hot-pressing processing, wherein hot pressing time is 10min, and hot pressing temperature is 190 DEG C, prepares PET profiled filament nonwoven fabric in low melting point.
Embodiment 6
Take the five leaf PET staple fibres of 40kg, the five leaf PTT staple fibres of 50kg, 10kg acid fiber by polylactic, be put in opener that rotating speed is 2500 turns/min, do shredding and dispersion treatment, form mixed fiber layer; Then the fibrage of mixing is put in negative blast in the random web-laying equipment of 5000Pa, be that 50 objects are rotated the special-shaped blended fiber net that lapping curtains form 9mm thick and then special-shaped blended fiber net carried out acupuncture, hot-pressing processing at order number, wherein hot pressing time is 5min, hot pressing temperature is 220 DEG C, prepares PET profiled filament nonwoven fabric in low melting point.
Embodiment 7
Take the fan-shaped PET staple fibre of 50kg, the five leaf PTT staple fibres of 40kg, 10kg polyester fiber, be put in opener that rotating speed is 2500 turns/min, do shredding and dispersion treatment, form mixed fiber layer; After mixed fiber layer is put in carding machine, be that 50 objects are rotated on lapping curtains and formed the thick special-shaped blended fiber net of 10mm at order number; Then special-shaped blended fiber net is carried out acupuncture, hot-pressing processing, wherein hot pressing time is 5min, and hot pressing temperature is 250 DEG C, prepares PET profiled filament nonwoven fabric in low melting point.
300g/m will be prepared in embodiment 1 ~ 7
2nonwoven cloth material and 300g/m
2conventional identical grammes per square metre polyester needle punched non-woven fabrics carries out test comparison, and characterize with filter material comprehensive test platform, weigh the filter effect of filter material with pressure drop and filter effect, gained test result is as shown in table 1 below:
Table 1
As can be seen from test result, the profiled filament nonwoven fabric utilizing preparation method provided by the invention to prepare has more excellent strainability compared with conventional fibre polyester needle punched non-woven fabrics, less pressure drop, and the quality factor of filter material is better.
Should be understood that, in those skilled in the art, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (8)
1. a profiled filament nonwoven fabric, is characterized in that, raw material is calculated by mass percentage, comprises following component:
Abnormity staple fibre 60% ~ 100%,
Non-profiled filament 0% ~ 40%.
2. a kind of profiled filament nonwoven fabric according to claim 1, it is characterized in that, described special-shaped staple fibre is one or both the combination in PET abnormity staple fibre, PBT abnormity staple fibre, PTT abnormity staple fibre, polypropylene abnormity staple fibre, PLA abnormity staple fibre.
3. a kind of profiled filament nonwoven fabric according to claim 1, is characterized in that, described special-shaped staple fibre cross section comprises triangle, X-shaped, H-shaped, Y shape, pentagon, trilobal cross, four blade profiles, five blade profiles, fan-shaped, hollow type.
4. a kind of profiled filament nonwoven fabric according to claim 1, is characterized in that, described non-profiled filament to be cross section be circular polypropylene fibre, cross section are circular polyester fiber, cross section is one in circular acid fiber by polylactic.
5. a preparation method for profiled filament nonwoven fabric, is characterized in that, comprises the following steps:
S1: prepare mixed fiber layer;
S2: preparation blended fiber net;
S3: be prepared into nonwoven fabric.
6. the preparation method of a kind of profiled filament nonwoven fabric according to claim 5, it is characterized in that, described step S1 specifically implements according to the following steps:
Be that 60 ~ 100:0 ~ 40 mix in mass ratio by special-shaped staple fibre and non-profiled filament, through opener shredding and dispersion treatment, mix, obtain the mixed fiber layer of special-shaped staple fibre and non-profiled filament.
7. the preparation method of a kind of profiled filament nonwoven fabric according to claim 5, it is characterized in that, described step S2 specifically implements according to the following steps:
By the mixed fiber layer lay prepared in step S1 on the lapping curtain rotated, form the blended fiber net that 1 ~ 10mm is thick, the order number of described lapping curtain is 50 orders.
8. the preparation method of a kind of profiled filament nonwoven fabric according to claim 5, it is characterized in that, described step S1 specifically implements according to the following steps:
The mixed fiber layer prepared in step S2 is carried out acupuncture or water thorn, hot-pressing processing, be prepared into nonwoven fabric, described hot pressing time is 1 ~ 30min, and hot pressing temperature is 90 ~ 250 DEG C.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105780300A (en) * | 2016-03-28 | 2016-07-20 | 水利部交通运输部国家能源局南京水利科学研究院 | Controllable type large-aperture drainage board filtration fabric making method |
| CN106048894A (en) * | 2016-08-12 | 2016-10-26 | 温州新宇无纺布有限公司 | Nonwoven fabric and production process and application thereof |
| CN106074208A (en) * | 2016-07-05 | 2016-11-09 | 佛山市南海清秀化妆品有限公司 | Sensitive skin adaptive type facial film and preparation method thereof |
| CN106948088A (en) * | 2017-04-21 | 2017-07-14 | 天守(福建)超纤科技股份有限公司 | A kind of non-woven fabrics preparation method led surely |
| CN108286125A (en) * | 2018-01-30 | 2018-07-17 | 平湖市伊凡家箱包有限公司 | A kind of function wet tissue of antibacterial water suction |
| CN108698530A (en) * | 2015-12-30 | 2018-10-23 | 博优国际集团股份有限公司 | Car carpeting with solid polylobal shape fiber |
| CN110947239A (en) * | 2019-10-30 | 2020-04-03 | 东莞市利韬过滤材料有限公司 | Melt-spun non-woven fabric filter material and preparation method thereof |
| CN111038039A (en) * | 2019-12-25 | 2020-04-21 | 上海市纺织科学研究院有限公司 | High-performance polyester profiled fiber sound-absorbing cotton for automobile |
| CN114164559A (en) * | 2021-12-07 | 2022-03-11 | 福建恒安卫生材料有限公司 | Profiled fiber wood pulp composite spunlace fabric and preparation method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108698530A (en) * | 2015-12-30 | 2018-10-23 | 博优国际集团股份有限公司 | Car carpeting with solid polylobal shape fiber |
| CN105780300A (en) * | 2016-03-28 | 2016-07-20 | 水利部交通运输部国家能源局南京水利科学研究院 | Controllable type large-aperture drainage board filtration fabric making method |
| CN105780300B (en) * | 2016-03-28 | 2018-05-25 | 水利部交通运输部国家能源局南京水利科学研究院 | Controllable type large aperture drain bar filter membrane manufacturing method |
| CN106074208A (en) * | 2016-07-05 | 2016-11-09 | 佛山市南海清秀化妆品有限公司 | Sensitive skin adaptive type facial film and preparation method thereof |
| CN106048894A (en) * | 2016-08-12 | 2016-10-26 | 温州新宇无纺布有限公司 | Nonwoven fabric and production process and application thereof |
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| CN108286125A (en) * | 2018-01-30 | 2018-07-17 | 平湖市伊凡家箱包有限公司 | A kind of function wet tissue of antibacterial water suction |
| CN110947239A (en) * | 2019-10-30 | 2020-04-03 | 东莞市利韬过滤材料有限公司 | Melt-spun non-woven fabric filter material and preparation method thereof |
| CN111038039A (en) * | 2019-12-25 | 2020-04-21 | 上海市纺织科学研究院有限公司 | High-performance polyester profiled fiber sound-absorbing cotton for automobile |
| CN114164559A (en) * | 2021-12-07 | 2022-03-11 | 福建恒安卫生材料有限公司 | Profiled fiber wood pulp composite spunlace fabric and preparation method thereof |
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