CN108221184A - Nano-spun melts composite nonwoven material and its preparation method and application - Google Patents
Nano-spun melts composite nonwoven material and its preparation method and application Download PDFInfo
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- CN108221184A CN108221184A CN201810304023.XA CN201810304023A CN108221184A CN 108221184 A CN108221184 A CN 108221184A CN 201810304023 A CN201810304023 A CN 201810304023A CN 108221184 A CN108221184 A CN 108221184A
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- nonwoven material
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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
- D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
- D04H5/06—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length strengthened or consolidated by welding-together thermoplastic fibres, filaments, or yarns
-
- 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
- D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
- D04H5/08—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of fibres or yarns
Abstract
The present invention provides a kind of nano-spuns to melt composite nonwoven material and its preparation method and application, it is related to non-woven material technical field, nano-spun provided by the invention melts composite nonwoven material, including passing through hot rolling successively compound fiber bottom, nano-spray layer and fibre cover.By will fiber bottom and fibre cover intersecting be set by nano-spray layer made of electrostatic spinning nano fiber and made of spunbond long fibre, obtained nano-spun, which melts composite nonwoven material, not only has good mechanical strength, and fluffy softness, there is stronger strainability and permeability.Nano-spun provided by the invention melts the preparation method of composite nonwoven material, it is simple for process, it is easy to operate, a large amount of man power and material can be saved, production efficiency is effectively improved, and the nano-spun being prepared melts composite nonwoven material has the advantages that good permeability, fluffy degree are high and filterability is strong.
Description
Technical field
The present invention relates to non-woven material technical field, more particularly, to a kind of nano-spun melt composite nonwoven material and its
Preparation method and application.
Background technology
Non-woven material, also known as non-woven cloth, nonwoven fabric, supatex fabric, adhesive-bonded fabric or non-woven fabrics.Nonwoven techniques
It is a kind of new technology most promising in textile industry, production breaches traditional textile principle, combines weaving, changes
The industrial technologies such as work, plastics and papermaking take full advantage of the knowledge of the subjects such as modern physics, chemistry.Therefore, non-woven material
Development degree be to weigh the one of the important signs that of a national Technical Progress in Textile Industry.
Non-woven material is divided into as one-component non-woven material and multicomponent non-woven material.Existing multicomponent fiber is non-
Weaving material intensity is higher, but pliability is insufficient, and fluffy degree is inadequate, and water imbibition is poor.
Therefore, a kind of intensity height, good water absorption are developed, while soft texture, fluffy non-woven material are particularly important.
In view of this, it is special to propose the present invention.
Invention content
First of the present invention is designed to provide a kind of nano-spun and melts composite nonwoven material, to alleviate in the prior art
Existing multicomponent fiber non-woven material intensity is higher, but pliability is insufficient, and fluffy degree is inadequate, and the technology that water imbibition is poor
Problem.
Second object of the present invention is to provide the preparation method that above-mentioned nano-spun melts composite nonwoven material, this method
It is simple for process, it is easy to operate, a large amount of man power and material can be saved, effectively improves production efficiency, and the nanometer being prepared
Spinning molten composite nonwoven material has the advantages that good permeability and fluffy degree are high.
The present invention provides a kind of nano-spuns to melt composite nonwoven material, including be cascading fiber bottom, receive
Rice sprayed coating and fibre cover, the fiber bottom, nano-spray layer and fibre cover are compound successively by hot rolling；
The nano-spray layer is made of electrostatic spinning nano fiber, and the fiber bottom and fibre cover are long by spunbond
Fiber is made.
Further, the electrostatic spinning nano fiber is chemical synthetic fiber；
Preferably, the chemical synthetic fiber is prepared by water soluble polymer and/or oil-soluble macromolecule.
Further, the water soluble polymer includes water-soluble macromolecule, chemically modified natural polymers or conjunction
Into one or more in polymer；
Preferably, the water soluble polymer includes polyvinyl alcohol, polyacrylamide, polyoxyethylene, polyvinylpyrrolidine
It is one or more in ketone, polyvinylphenol, starch, hydroxymethyl cellulose.
Further, the oil-soluble macromolecule includes Kynoar, polyamide, polyurethane, makrolon, poly- second
Alkene, polypropylene, polystyrene, polycaprolactone, polyvinyl chloride, nylon, polyacrylonitrile, polymethyl methacrylate, three acetic acid are fine
It is one or more in dimension element.
Further, the spunbond long fibre includes polypropylene, polyethylene, polyamide or polyethylene terephthalate
In it is one or more.
Further, the thickness that the nano-spun melts composite nonwoven material is 0.48-0.57mm；
Preferably, the thickness of the fiber bottom is 0.28-0.32mm；
Preferably, the thickness of the nano-spray layer is 0.03-0.05mm；
Preferably, the thickness of the fibre cover is 0.17-0.2mm.
The present invention also provides the preparation methods that above-mentioned nano-spun melts composite nonwoven material, include the following steps：
(a) spunbond long fibre is prepared, and makes its air drawing networking, fiber bottom is made；
(b) electrostatic spinning nano fiber is prepared on fiber bottom, and makes its networking that nano-spray layer be made；
(c) it prepares spunbond long fibre again on nano-spray layer, and makes its air drawing networking, fiber covering is made
Layer；
(d) by fiber bottom, nano-spray layer and fibre cover successively method hot rolling, obtained nano-spun melts compound non-knit
Producing material material.
Further, in step (a), spunbond long fibre passes through filament die extrusion molding；
Preferably, in step (b), electrostatic spinning nano fiber is prepared by electrostatic method nano-technology techniques.
Further, step (e) finishing functions are further included, including hydrophilic, antibacterial, it is fluffy, soft or antistatic in extremely
A kind of few finishing technique.
In addition, the present invention also provides above-mentioned nano-spuns to melt composite nonwoven material in general health care material is prepared
Using.
Nano-spun provided by the invention melts composite nonwoven material, including by hot rolling successively compound fiber bottom, receive
Rice sprayed coating and fibre cover.The present invention made of electrostatic spinning nano fiber by nano-spray layer and will be grown by spunbond fine
Fiber bottom made of dimension and the setting of fibre cover intersecting so that the fiber of different angle mutually supports, and what is obtained receives
Rice, which spins molten composite nonwoven material, not only has good mechanical strength, but also fluffy softness, have stronger strainability and
Permeability disclosure satisfy that requirement of the people for highly-breathable and high filtration textile.
Nano-spun provided by the invention melts the preparation method of composite nonwoven material, simple for process, easy to operate, Neng Goujie
About a large amount of man power and material, effectively improves production efficiency, and the nano-spun being prepared melts composite nonwoven material and has thoroughly
The advantages of gas is good, fluffy degree is high and filterability is strong.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram that the nano-spun that the embodiment of the present invention 1 provides melts composite nonwoven material.
Icon：1- fiber bottoms；2- nano-spray layers；3- fibre covers.
Specific embodiment
Technical scheme of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
It is part of the embodiment of the present invention to apply example, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel all other embodiments obtained without making creative work belong to the model that the present invention protects
It encloses.
Embodiment 1
As shown in Figure 1, the present invention provides a kind of nano-spuns to melt composite nonwoven material, including the fibre being cascading
Tie up bottom 1, nano-spray layer 2 and fibre cover 3, fiber bottom 1, nano-spray layer 2 and fibre cover 3 by hot rolling according to
It is secondary compound.
Wherein, nano-spray layer 2 is made of electrostatic spinning nano fiber, and fiber bottom 1 and fibre cover 3 are long by spunbond
Fiber is made.
On the one hand, electrostatic spinning nano fiber filter efficiency is high, and compared with conventional filter material, filter efficiency improves
70% and more than.Second is that water flux is big, compared to traditional filtering material, electrostatic spinning nano fiber has low grammes per square metre and high hole
Rate, high osmosis and aperture controllability provide the combined platform of function by filtering and absorption, by targeted molecular
It captures in nanofiber surface, pollutant can be effectively removed.It, can be significantly by the use of electrostatic spinning nano fiber material as filtering material
Adsorption capacity and filter efficiency are improved, so as to have important application value and prospect in filtration art.
The present invention is by will be by nano-spray layer 2 made of electrostatic spinning nano fiber and the fiber made of spunbond long fibre
Bottom 1 and the setting of 3 intersecting of fibre cover so that the fiber of different angle mutually supports, and obtained nano-spun melts compound
Non-woven material not only has good mechanical strength, but also fluffy softness, has stronger strainability and permeability, energy
Enough meet requirement of the people for highly-breathable and high filtration textile.
In one preferred embodiment, electrostatic spinning nano fiber is chemical synthetic fiber.
Compared with natural fiber and staple fibre, the raw material of chemical synthetic fiber is the life as made from artificial synthesis
Production is not limited by natural conditions.Synthetic fibers are in addition to the general superior function with chemical fibre, as intensity is high, light, easy
Wash that quick-drying, elasticity is good, is not afraid of outer, each unique energy of synthetic fibers of different cultivars such as mould moth.
Preferably, chemical synthetic fiber is prepared by water soluble polymer and/or oil-soluble macromolecule.
In one preferred embodiment, chemical synthetic fiber is by water soluble polymer and the compound system of oil-soluble macromolecule
It is standby to obtain.When chemical synthetic fiber is simultaneously comprising water soluble polymer and oil-soluble macromolecule, enable to be prepared receives
Rice spins molten composite nonwoven material and has both water-soluble and two kinds of physicochemical properties of oil-soluble, and the scope of application is wider.
In one preferred embodiment, it is natural to include water-soluble macromolecule, chemical modification for water soluble polymer
It is one or more in polymer or synthetic polymer；
Preferably, water soluble polymer includes polyvinyl alcohol, polyacrylamide, polyoxyethylene, polyvinylpyrrolidone, gathers
It is one or more in vinylphenol, starch, hydroxymethyl cellulose.
In one preferred embodiment, oil-soluble macromolecule includes Kynoar, polyamide, polyurethane, poly- carbon
Acid esters, polyethylene, polypropylene, polystyrene, polycaprolactone, polyvinyl chloride, nylon, polyacrylonitrile, polymethyl methacrylate,
It is one or more in Triafol T.
In one preferred embodiment, spunbond long fibre includes polypropylene, polyethylene, polyamide or poly- terephthaldehyde
It is one or more in sour glycol ester.
In one preferred embodiment, the thickness that nano-spun melts composite nonwoven material is 0.48-0.57mm, such as
It can be, but be not limited to 0.48mm, 0.49mm, 0.5mm, 0.51mm, 0.52mm, 0.53mm, 0.54mm, 0.55mm, 0.56mm
Or 0.57mm.0.48-0.57mm is set as by the thickness that nano-spun is melted to composite nonwoven material, so that nano-spun melts again
Closing non-woven material not only has good mechanical strength, but also with good fluffy sense, hydrophily and filterability.When nano-spun melts
When the thickness of composite nonwoven material is less than 0.48mm, intensity is poor, and when thickness is more than 0.57mm, nano-spun melts compound non-
The fluffy sense of weaving material and hydrophily be not good enough.
Preferably, the thickness of fiber bottom 1 is 0.28-0.32mm, such as can be, but be not limited to 0.28mm, 0.29mm,
0.3mm, 0.31mm or 0.32mm.
Preferably, the thickness of nano-spray layer 2 is 0.03-0.05mm, such as can be, but be not limited to 0.03mm,
0.031mm、0.032mm、0.333mm、0.034mm、0.035mm、0.036mm、0.037mm、0.038mm、0.039mm、
0.04mm、0.041mm、0.042mm、0.043mm、0.044mm、0.045mm、0.046mm、0.047mm、0.048mm、
0.049mm or 0.05mm.
Preferably, the thickness of fibre cover 3 is 0.17-0.2mm, such as can be, but be not limited to 0.17mm,
0.18mm, 0.19mm or 0.2mm.
By the way that the thickness of fiber bottom 1 is set as 0.28-0.32mm respectively, the thickness of nano-spray layer 2 is set as
0.03-0.05mm, the thickness of fibre cover 3 is set as 0.17-0.2mm, so that nano-spun melts composite nonwoven material
Mechanical strength higher, more fluffy more soft, water imbibition is more preferable, and filterability is stronger.
The performance that nano-spun provided by the invention melts composite nonwoven material is as shown in the table：
| Project | Index |
| Fiber index | Staple fiber single fiber diameter≤1.0 μm, spun-bonded continuous yarn single fiber diameter≤1.5 μm |
| Respirable dust | <5 μm, cleaning resistance ratios PPS coated filter materials low less than 35% |
| Pliability | Lateral pliability (bending) 13.5mm (15g) |
| Hydrophilic speed | Close times water rate >=1300%, time of break-through≤1.4s |
| The uniformity | The product uniformity≤0.03g/m2 |
| Ductility | Transverse and longitudinal elongation >=80% (for 10 grams) |
| Intensity | Laterally strength >=24N；Longitudinal direction strength >=36N is (with 20g/cm2For) |
Embodiment 2
Originally it applies example and provides the preparation method that 1 described nano-spun of the embodiment of the present invention melts composite nonwoven material, wrap
Include following steps：
(a) spunbond long fibre is prepared, and makes its air drawing networking, fiber bottom 1 is made；
(b) electrostatic spinning nano fiber is prepared on fiber bottom 1, and makes its networking that nano-spray layer 2 be made；
(c) it prepares spunbond long fibre again on nano-spray layer 2, and makes its air drawing networking, fiber covering is made
Layer 3；
(d) by fiber bottom 1, nano-spray layer 2 and fibre cover 3 successively method hot rolling, obtained nano-spun melts compound
Non-woven material.
Nano-spun provided by the invention melts the preparation method of composite nonwoven material, simple for process, easy to operate, Neng Goujie
About a large amount of man power and material, effectively improves production efficiency, and the nano-spun being prepared melts composite nonwoven material and has thoroughly
The advantages of gas is good, fluffy degree is high and filterability is strong.
It is now pp material with fiber bottom 1 and fibre cover 3, nano-spray layer 2 is by polyvinyl alcohol and gathers inclined
Vinyl fluoride is raw material, and the preparation method that composite nonwoven material is melted to nano-spun provided by the invention illustrates, and the present invention adopts
Process equipment is the first filament die, electrostatic spinning apparatus and the second filament die set gradually.
The preparation method that nano-spun provided by the invention melts composite nonwoven material is prepared in accordance with the following steps：
(a) polypropylene agglomerate is mixed with other auxiliary agent master batches, and pass through air-flow be delivered to the first screw extruding melting set
Standby to be heated, the first screw extruding fusion apparatus is connected with the first filament die, when polypropylene agglomerate and other auxiliary agents are female
Jet spinning and the networking under air drawing are carried out by the spinneret orifice on the first filament die after grain melting uniformly, fiber is made
Bottom 1；
(b) fiber bottom 1 is delivered to below the nozzle of electrostatic spinning apparatus, by polyvinyl alcohol master batch and Kynoar
Master batch is delivered to the second screw extruding fusion apparatus by air-flow and is heated, the second screw extruding fusion apparatus and electrostatic spinning
Device is connected, and passes through the spinneret on electrostatic spinning apparatus nozzle after polyvinyl alcohol master batch and the melting uniformly of Kynoar master batch
Hole is sprayed to networking on fiber bottom 1, and nano-spray layer 2 is made；
(c) the fiber bottom 1 being stacked and nano-spray layer 2 are delivered to below the second filament die, the second long filament
Die head is connected with third screw extruding fusion apparatus, melts uniform polypropylene and other auxiliary agents pass through on the second filament die
Spinneret orifice carry out the networking on nano-spray layer 2 under jet spinning and air drawing, fibre cover 3 is made；
(d) heat is carried out to the fiber bottom 1, nano-spray layer 2 and fibre cover 3 that are cascading by pressure roller
It rolls, makes three layers of method hot rolling, obtain nano-spun and melt composite nonwoven material.
Nano-spun provided by the invention melts the preparation method of composite nonwoven material, combines two different networking skills
Art, production technology has many advantages and flexibility, can adjust fiber bottom 1, nanometer respectively according to the performance requirement of product
The thickness proportion of sprayed coating 2 and fibre cover 3 so that product has superior performance, meets customer need.
In a preferred embodiment, in step (a), spunbond long fibre passes through filament die extrusion molding.
In a preferred embodiment, step (e) finishing functions are further included, including hydrophilic, antibacterial, fluffy, soft
Or at least one of antistatic finishing technique.By carrying out finishing functions, nano-spun can be made to melt composite nonwoven material
Performance is more preferably excellent, more disclosure satisfy that the different demands of user.
Embodiment 3
The nano-spun for present embodiments providing the offer of the embodiment of the present invention 1 melts composite nonwoven material or real using the present invention
It applies the nano-spun that the preparation method that example 2 provides is prepared and melts composite nonwoven material answering in general health care material is prepared
With.
Above-mentioned nano-spun is melted into composite nonwoven material applied in general health care material, enables to general health care material
Mechanical strength higher, more fluffy more soft, water imbibition is more preferable, and filterability is stronger.
In addition, it is necessary to explanation, nano-spun provided by the invention melts composite nonwoven material to be defended available for preparing medicine
Green material, but above-mentioned field is not limited to, those skilled in the art can use, such as can be according to the demand of related field,
But it is not limited to protective materials, facial mask or wet tissue etc..
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical features into
Row equivalent replacement；And these modifications or replacement, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of nano-spun melts composite nonwoven material, which is characterized in that including be cascading fiber bottom, nanometer spray
Coating and fibre cover, the fiber bottom, nano-spray layer and fibre cover are compound successively by hot rolling；
The nano-spray layer is made of electrostatic spinning nano fiber, and the fiber bottom and fibre cover are by spunbond long fibre
It is made.
2. nano-spun according to claim 1 melts composite nonwoven material, which is characterized in that the electrostatic spinning nano fiber
For chemical synthetic fiber；
Preferably, the chemical synthetic fiber is prepared by water soluble polymer and/or oil-soluble macromolecule.
3. nano-spun according to claim 2 melts composite nonwoven material, which is characterized in that the water soluble polymer packet
It includes one or more in water-soluble macromolecule, chemically modified natural polymers or synthetic polymer；
Preferably, the water soluble polymer includes polyvinyl alcohol, polyacrylamide, polyoxyethylene, polyvinylpyrrolidone, gathers
It is one or more in vinylphenol, starch, hydroxymethyl cellulose.
4. nano-spun according to claim 2 melts composite nonwoven material, which is characterized in that the oil-soluble high score attached bag
Include Kynoar, polyamide, polyurethane, makrolon, polyethylene, polypropylene, polystyrene, polycaprolactone, polyvinyl chloride,
It is one or more in nylon, polyacrylonitrile, polymethyl methacrylate, Triafol T.
5. nano-spun according to claim 1 melts composite nonwoven material, which is characterized in that the spunbond long fibre includes
It is one or more in polypropylene, polyethylene, polyamide or polyethylene terephthalate.
6. composite nonwoven material is melted according to claim 1-5 any one of them nano-spuns, which is characterized in that the nano-spun
The thickness of molten composite nonwoven material is 0.48-0.57mm；
Preferably, the thickness of the fiber bottom is 0.28-0.32mm；
Preferably, the thickness of the nano-spray layer is 0.03-0.05mm；
Preferably, the thickness of the fibre cover is 0.17-0.2mm.
7. as claim 1-6 any one of them nano-spuns melt the preparation method of composite nonwoven material, which is characterized in that packet
Include following steps：
(a) spunbond long fibre is prepared, and makes its air drawing networking, fiber bottom is made；
(b) electrostatic spinning nano fiber is prepared on fiber bottom, and makes its networking that nano-spray layer be made；
(c) it prepares spunbond long fibre again on nano-spray layer, and makes its air drawing networking, fibre cover is made；
(d) by fiber bottom, nano-spray layer and fibre cover successively method hot rolling, obtained nano-spun melts complex nonwoven material
Material.
8. preparation method according to claim 7, which is characterized in that in step (a), spunbond long fibre passes through long filament mould
Head extrusion molding；
Preferably, in step (b), electrostatic spinning nano fiber is prepared by electrostatic method nano-technology techniques.
9. preparation method according to claim 7 or 8, which is characterized in that step (e) finishing functions are further included, including parent
Water, antibacterial, fluffy, soft or at least one of antistatic finishing technique.
10. as claim 1-6 any one of them nano-spuns melt composite nonwoven material in general health care material is prepared
Using.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810304023.XA CN108221184A (en) | 2018-04-03 | 2018-04-03 | Nano-spun melts composite nonwoven material and its preparation method and application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810304023.XA CN108221184A (en) | 2018-04-03 | 2018-04-03 | Nano-spun melts composite nonwoven material and its preparation method and application |
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Family
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110699860A (en) * | 2019-11-18 | 2020-01-17 | 江苏盛纺纳米材料科技股份有限公司 | Soft and smooth non-woven fabric and preparation method and application thereof |
| CN114575042A (en) * | 2022-03-01 | 2022-06-03 | 浙江盛纺纳米材料科技有限公司 | Antibacterial non-woven fabric and preparation method thereof |
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