CN114232218A - Enveloping type elastic non-woven fabric and preparation device and preparation method thereof - Google Patents
Enveloping type elastic non-woven fabric and preparation device and preparation method thereof Download PDFInfo
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- CN114232218A CN114232218A CN202111613371.3A CN202111613371A CN114232218A CN 114232218 A CN114232218 A CN 114232218A CN 202111613371 A CN202111613371 A CN 202111613371A CN 114232218 A CN114232218 A CN 114232218A
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- Prior art keywords
- filament
- fiber layer
- spandex
- filament fiber
- woven fabric
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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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of 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
- D04H3/14—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 thermoplastic yarns or filaments produced by welding
-
- 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
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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
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/10—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyurethanes
Abstract
The invention discloses an enveloping elastic non-woven fabric, a preparation device and a preparation method thereof, and the enveloping elastic non-woven fabric prepared by the preparation device and the preparation method provided by the invention is provided with a first filament fiber layer positioned at the lower layer, a spandex fiber layer positioned at the middle layer and a second filament fiber layer positioned at the upper layer, and the whole fiber layer is rolled and pressed by a hot press roller and stretched and softened by a stretching roller, and can ensure that the first filament fiber layer and the second filament fiber layer have retractable concave-convex textures, so that the prepared enveloping elastic non-woven fabric has better elasticity, stronger strength and softer texture at the same time.
Description
Technical Field
The invention relates to the technical field of non-woven fabric production, in particular to an enveloping elastic non-woven fabric and a preparation device and a preparation method thereof.
Background
In the production of nonwoven fabrics, meltblown processes are often used. Meltblown is a type of polymer extrusion web, which is made by forming very fine staple fibers from an extruded polymer melt by high velocity hot air streams or other means (e.g., centrifugal force, electrostatic force, etc.), agglomerating the staple fibers onto a porous roll or screen, and consolidating the staple fibers by autogenous or thermal bonding to form a nonwoven fabric. At present, the method is widely applied to the manufacture of non-woven fabrics taking polypropylene, polyester and other thermoplastic resins as raw materials, but the application of the non-woven fabrics in the textile field is limited due to poor elasticity and hard hand feeling of the polypropylene, polyester and other non-woven fabrics. Therefore, there is a need for an enveloping elastic nonwoven fabric with better elasticity, stronger strength and soft texture, and a preparation device and a preparation method thereof.
Disclosure of Invention
The invention aims to provide an enveloping type elastic non-woven fabric, a preparation device and a preparation method thereof, which are used for solving the problems in the prior art and producing the enveloping type elastic non-woven fabric with better elasticity, stronger strength and soft texture.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides an envelope-type elastic non-woven fabric which comprises a first filament fiber layer positioned on a lower layer, a spandex fiber layer positioned on a middle layer and a second filament fiber layer positioned on an upper layer, wherein the first filament fiber layer and the spandex fiber layer are in thermal bonding connection, the spandex fiber layer and the second filament fiber layer are in thermal bonding connection, and the first filament fiber layer and the second filament fiber layer are respectively provided with a telescopic concave-convex texture.
The invention also provides a preparation device of the envelope-type elastic non-woven fabric, which comprises a conveyor, wherein the tail end of the conveyor is sequentially provided with a hot roll, a stretching roll and a winding shaft, and a first filament fiber netting device, a spandex fiber netting device and a second filament fiber netting device are sequentially arranged above the conveyor along the preparation direction.
Preferably, the conveyer is provided with a net conveying curtain.
The invention also provides a preparation method of the enveloping elastic non-woven fabric, which comprises the following steps:
firstly, fiber particles are melted and extruded by a melt extruder and then are spun into a net by a first filament fiber net former to form a first filament fiber layer;
conveying the first filament fiber layer to the lower part of a spandex filament netting device through a conveyor, and uniformly spreading spandex fibers on the first filament fiber layer under the spinning action of the spandex filament netting device to form a spandex filament fiber layer;
thirdly, the first filament fiber layer paved with the spandex fiber layer is conveyed to the lower part of a second filament fiber netting device through a conveyor, fiber particles are melt extruded through a melt extruder and then are spun through the second filament fiber netting device to form a net, and a second filament fiber layer is formed on the spandex fiber layer;
fourthly, conveying the whole fiber layer in the third step to a hot roll through a conveyor, rolling through the hot roll, melting the first filament fiber layer and the second filament fiber layer, and enveloping the spandex fiber layer in the middle to prepare non-elastic non-woven fabric;
and fifthly, continuously conveying the non-elastic non-woven fabric to a stretching roller, and stretching and softening the non-elastic non-woven fabric by the stretching roller to obtain the enveloping elastic non-woven fabric.
Preferably, the draw rolls draw the first and second filament fiber layers apart by more than 2 times.
Compared with the prior art, the invention has the following beneficial technical effects:
the enveloping elastic non-woven fabric prepared by the preparation device and the preparation method provided by the invention is provided with the first filament fiber layer positioned at the lower layer, the spandex fiber layer positioned at the middle layer and the second filament fiber layer positioned at the upper layer, the whole fiber layer is rolled and pressed by the hot press roller and stretched and softened by the stretching roller, and the first filament fiber layer and the second filament fiber layer can be provided with the retractable concave-convex textures, so that the enveloping elastic non-woven fabric prepared by the preparation device and the preparation method has better elasticity, stronger strength and softer texture.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a structural view of an envelope type elastic nonwoven fabric of the present invention;
FIG. 2 is a view of an apparatus for manufacturing the enveloping type elastic nonwoven fabric of the present invention;
in the figure: 1: first filament fiber web former, 2: spandex filament netting device, 3: second filament fiber web former, 4: conveyor, 5: hot roll, 6: stretching roll, 7: envelope type elastic nonwoven fabric, 8: second filament fiber layer, 9: spandex filament fiber layer, 10: first filament fiber layer, 11: uneven texture, 12: a winding shaft and 13: a net conveying curtain.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide an enveloping type elastic non-woven fabric, a preparation device and a preparation method thereof, which are used for solving the problems in the prior art and producing the enveloping type elastic non-woven fabric with better elasticity, stronger strength and soft texture.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example 1:
the embodiment provides an enveloping elastic non-woven fabric 7, as shown in fig. 1, comprising a first filament fiber layer 10 located at a lower layer, a spandex fiber layer 9 located at a middle layer, and a second filament fiber layer 8 located at an upper layer, wherein the two filament fiber layers are arranged to make the strength of the enveloping elastic non-woven fabric 7 stronger, the first filament fiber layer 10 and the spandex fiber layer 9 are connected by thermal bonding, the spandex fiber layer 9 and the second filament fiber layer 8 are connected by thermal bonding, the first filament fiber layer 10 and the second filament fiber layer 8 are both provided with a retractable concave-convex texture 11, the first filament fiber layer 10 and the second filament fiber layer 8 have no elasticity, the arrangement can lead the two filament fiber layers to stretch along with the elastic spandex fiber layer 9, so that the enveloping elastic non-woven fabric 7 has better elasticity on the basis of stronger strength.
The embodiment also provides a preparation device of the enveloping elastic non-woven fabric 7, which comprises a conveyor 4, wherein the tail end of the conveyor 4 is sequentially provided with a hot roll 5, a stretching roll 6 and a winding shaft 12, as shown in fig. 2. The integral fiber layer is rolled by a hot roller 5, so that the bonding strength between the fiber layers can be further enhanced; because the first filament fiber layer 10 and the second filament fiber layer 8 have no elasticity, the spandex fiber layer 9 has elasticity, after being stretched and softened by the stretching roller 6, the spandex fiber layer 9 can restore the original length, and the two elongated filament fiber layers can not restore the original length but can shrink together with the spandex fiber layer 9, so that the first filament fiber layer 10 and the second filament fiber layer 8 are provided with the telescopic concave-convex textures 11 to prepare the enveloping elastic non-woven fabric 7, and further, after being softened, the enveloping elastic non-woven fabric 7 has softer texture; the winding shaft 12 can collect the manufactured enveloping type elastic non-woven fabric 7, and the enveloping type elastic non-woven fabric 7 is convenient to arrange and store. Thus, this arrangement enables the apparatus to produce an envelope-type stretch nonwoven fabric 7 having a higher elasticity, a higher strength and a soft texture according to a specific process. A first filament fiber netting device 1, a spandex fiber netting device 2 and a second filament fiber netting device 3 are sequentially arranged above the conveyor 4 along the preparation conveying direction of the enveloping elastic non-woven fabric 7, a first filament fiber layer 10 positioned on the lower layer, a spandex fiber layer 9 positioned on the middle layer and a second filament fiber layer 8 positioned on the upper layer can be sequentially produced, and the produced fiber layers are of a net-shaped structure.
The conveyer 4 is provided with the net conveying curtain 13, so that the fiber layers can be better conveyed, and the production of the envelope-type elastic non-woven fabric 7 is more convenient.
The embodiment also provides a preparation method of the enveloping elastic non-woven fabric 7, which comprises the following steps:
firstly, fiber particles are melted and extruded by a melt extruder and then are spun into a net by a first filament fiber net former 1 to form a first filament fiber layer 10;
the first filament fiber layer 10 is conveyed to the lower part of the spandex filament netting device 2 through the conveyor 4, and spandex fibers are uniformly spread on the first filament fiber layer 10 under the spinning action of the spandex filament netting device 2 to form a spandex fiber layer 9;
thirdly, the first filament fiber layer 10 paved with the spandex fiber layer 9 is conveyed to the lower part of the second filament fiber netting device 3 through the conveyor 4, fiber particles are melted and extruded through the melt extruder and then are spun through the second filament fiber netting device 3 to form a net, and a second filament fiber layer 8 is formed on the spandex fiber layer 9;
fourthly, the whole fiber layer in the third step is conveyed to a hot roller 5 through a conveyor 4, the first filament fiber layer 10 and the second filament fiber layer 8 are melted through rolling of the hot roller 5, and the spandex fiber layer 9 is wrapped in the middle to be made into non-elastic non-woven fabric;
fifthly, the non-elastic non-woven fabric is continuously conveyed to a stretching roller 6 and is stretched and softened by the stretching roller 6 to obtain the enveloping elastic non-woven fabric 7.
The draw roll 6 draws the first filament fiber layer 10 and the second filament fiber layer 8 by 2 times or more, thereby producing the enveloping elastic nonwoven fabric 7 having a draw ratio of 2 times or more.
The principle and the implementation mode of the invention are explained by applying specific examples, and the description of the above examples is only used for helping understanding the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In summary, this summary should not be construed to limit the present invention.
Claims (5)
1. An envelope type elastic non-woven fabric is characterized in that: including the first filament fibrous layer that is located the lower floor, be located medial spandex silk fibrous layer and be located the second filament fibrous layer on upper strata, first filament fibrous layer and spandex silk fibrous layer heat bonding are connected, and spandex silk fibrous layer and second filament fibrous layer heat bonding are connected, all are equipped with the unsmooth texture of telescopic on first filament fibrous layer and the second filament fibrous layer.
2. A preparation facilities of envelope type elasticity non-woven fabrics which characterized in that: the device comprises a conveyor, wherein a hot roll, a stretching roll and a winding shaft are sequentially arranged at the tail end of the conveyor, and a first filament fiber netting device, a spandex fiber netting device and a second filament fiber netting device are sequentially arranged above the conveyor along the preparation direction.
3. The apparatus for preparing envelope-type elastic nonwoven fabric according to claim 2, wherein: the conveyer is provided with a net conveying curtain.
4. The preparation method of the enveloping elastic non-woven fabric is characterized by comprising the following steps:
firstly, fiber particles are melted and extruded by a melt extruder and then are spun into a net by a first filament fiber net former to form a first filament fiber layer;
conveying the first filament fiber layer to the lower part of a spandex filament netting device through a conveyor, and uniformly spreading spandex fibers on the first filament fiber layer under the spinning action of the spandex filament netting device to form a spandex filament fiber layer;
thirdly, the first filament fiber layer paved with the spandex fiber layer is conveyed to the lower part of a second filament fiber netting device through a conveyor, fiber particles are melt extruded through a melt extruder and then are spun through the second filament fiber netting device to form a net, and a second filament fiber layer is formed on the spandex fiber layer;
fourthly, conveying the whole fiber layer in the third step to a hot roll through a conveyor, rolling through the hot roll, melting the first filament fiber layer and the second filament fiber layer, and enveloping the spandex fiber layer in the middle to prepare non-elastic non-woven fabric;
and fifthly, continuously conveying the non-elastic non-woven fabric to a stretching roller, and stretching and softening the non-elastic non-woven fabric by the stretching roller to obtain the enveloping elastic non-woven fabric.
5. The method for preparing the enveloping elastic nonwoven fabric according to claim 4, wherein the method comprises the following steps: the draw roll draws the first filament fiber layer and the second filament fiber layer apart by more than 2 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111613371.3A CN114232218A (en) | 2021-12-27 | 2021-12-27 | Enveloping type elastic non-woven fabric and preparation device and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111613371.3A CN114232218A (en) | 2021-12-27 | 2021-12-27 | Enveloping type elastic non-woven fabric and preparation device and preparation method thereof |
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| CN114232218A true CN114232218A (en) | 2022-03-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115467094A (en) * | 2022-08-26 | 2022-12-13 | 柔怡美(厦门)卫生材料有限公司 | Preparation method of elastic composite material and elastic composite material thereof |
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| CN110468505A (en) * | 2019-08-05 | 2019-11-19 | 武汉纺织大学 | Ultra-fine elastic non-woven cloth and preparation method thereof |
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| CN100999856A (en) * | 2006-01-11 | 2007-07-18 | 花王株式会社 | Extensible non-woven cloth |
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| CN115467094A (en) * | 2022-08-26 | 2022-12-13 | 柔怡美(厦门)卫生材料有限公司 | Preparation method of elastic composite material and elastic composite material thereof |
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Application publication date: 20220325 |
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