CN208101221U - A kind of compound Through-Air Thermal Bonded Nonwovens - Google Patents
A kind of compound Through-Air Thermal Bonded Nonwovens Download PDFInfo
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- CN208101221U CN208101221U CN201820399314.7U CN201820399314U CN208101221U CN 208101221 U CN208101221 U CN 208101221U CN 201820399314 U CN201820399314 U CN 201820399314U CN 208101221 U CN208101221 U CN 208101221U
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Abstract
The utility model relates to a kind of compound Through-Air Thermal Bonded Nonwovens, belong to Through-Air Thermal Bonded Nonwovens field, it is intended to improve infiltration and the water absorbing properties of compound Through-Air Thermal Bonded Nonwovens.This kind of compound Through-Air Thermal Bonded Nonwovens, including guide layer, the guide layer pressure rolling have surface layer by hot blast adhesion at corrugated, the upper and lower surface of the guide layer, and the surface layer is smooth plane away from the outer surface of guide layer.After surface layer adsorption liquid body, liquid penetrates into guide layer by surface layer, since guide layer is in corrugated, the liquid that part enters surface layer can contact position close with surface layer in guide layer first, to rapidly enter in guide layer, it is adsorbed by guide layer, to improve infiltration and the water absorbing properties of compound Through-Air Thermal Bonded Nonwovens, reduces reverse osmosis amount.
Description
Technical field
The utility model relates to hot wind non-woven material fields, more specifically, it to be related to a kind of compound hot wind non-woven
Cloth.
Background technique
Non-woven cloth is a kind of fabric for not needing spinning and weaving and being formed, and only carries out textile staple or long filament
Orientation or random alignment form fibre net structure, are then reinforced using the methods of mechanical, hot sticky or chemical.Wherein, hot wind is non-
Woven cloths are a kind of novel non-woven cloths formed using bonding method.
The characteristics of compound Through-Air Thermal Bonded Nonwovens are a special categories of hot wind nonwovens process, it uses equipment, makes heat
Wind non-woven cloth is by two or more layers structure composite, to improve the thickness and elasticity of non-woven cloth.But in use,
Since the physical and chemical properties of two or more layers structure are inconsistent, after the adsorption moisture of upper layer, moisture is not easy under quickly penetrating into
Layer, be easy to cause reverse osmosis, influences use feeling.
Utility model content
The purpose of this utility model is to provide a kind of compound Through-Air Thermal Bonded Nonwovens, by compound Through-Air Thermal Bonded Nonwovens
Guide layer is added, infiltration and the water absorbing properties of compound Through-Air Thermal Bonded Nonwovens are improved, reduces reverse osmosis amount.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of compound hot wind is non-to be knitted
Cloth, including guide layer are made, the guide layer pressure rolling has face by hot blast adhesion at corrugated, the upper and lower surface of the guide layer
Layer, the surface layer are smooth plane away from the outer surface of guide layer.
By using above-mentioned technical proposal, after surface layer adsorption liquid body, liquid penetrates into guide layer by surface layer, due to leading
Fluid layer is in corrugated, partially position close with surface layer in guide layer can be contacted first into the liquid of surface layer, thus quickly
It into guide layer, is adsorbed by guide layer, to improve infiltration and the water absorbing properties of compound Through-Air Thermal Bonded Nonwovens, reduces anti-
Milliosmolarity.
The utility model is further arranged to：Pressure rolling has several adhesive surfaces for extending to guide layer and surface layer in the surface layer
Flow-guiding channel.
By using above-mentioned technical proposal, liquid can accelerate the speed for penetrating into guide layer using the flow-guiding channel in surface layer
Degree.
The utility model is further arranged to：The part of the guide layer protrusion is lug boss, and the flow-guiding channel is located at
At lug boss.
By using above-mentioned technical proposal, liquid is quickly connect with the lug boss of guide layer by the flow-guiding channel in surface layer
Touching, the speed for penetrating into guide layer greatly improve.
The utility model is further arranged to：The surface layer and guide layer are by a large amount of side by side bicomponent doughnuts molten
Melt to bond under state and be formed, the side by side bicomponent doughnut includes the core of two laid out in parallel inside cortex and cortex
Layer, the cortex is rounded or oval, the sandwich layer semicircular in shape, and the arc surface of the sandwich layer and the inner surface of cortex paste
It closes, the horizontal plane of two sandwich layers is opposite, and cavity is formed inside cortex；The fusing point of the cortex is lower than the fusing point of sandwich layer,
When side by side bicomponent doughnut melt heat when, the cortex is Nian Jie with the deformation of the connecting portion of cortex, the cortex it is interior
The arc surface of surface cladding sandwich layer.
By using above-mentioned technical proposal, the hollow structure in side by side bicomponent doughnut is increased in unit volume
Surface area, the hollow introducing of sandwich layer improve composite fibre crimp property, assign lasting crimp property, improve that hot wind is non-to be knitted
The fluffy performance of cloth is made, meanwhile, the adsorption capacity of liquid is enhanced, when liquid contacts compound Through-Air Thermal Bonded Nonwovens, is quickly seeped
Thoroughly, the water suction of compound Through-Air Thermal Bonded Nonwovens and water retention property greatly enhance.
The utility model is further arranged to：The fineness of the side by side bicomponent doughnut of the surface layer is 1.5 denier, described
The fineness of the side by side bicomponent doughnut of guide layer is 12 denier.
The utility model is further arranged to：The core/sheath ratio of the side by side bicomponent doughnut of the guide layer is 40/
60-50/50。
The utility model is further arranged to：The crispation number of the side by side bicomponent doughnut of the guide layer is 12-20
no./cm。
The utility model is further arranged to：The crimpness of the side by side bicomponent doughnut of the guide layer is 10-
15%。
In conclusion the utility model has the advantages that：
1, the straight arrangement of fiber in the utility model, accelerating liquid longitudinal diffusion increase contact area, reach quickly lower and seep
Effect, and surface layer+guide layer advantageously reduces the structure level number of amenities, reduces material cost.
2, after surface layer adsorption liquid body, liquid by surface layer penetrate into guide layer in, due to guide layer be in corrugated, partially into
The liquid for entering surface layer can contact position close with surface layer in guide layer first, to rapidly enter in guide layer, by water conservancy diversion
Layer absorption, to improve infiltration and the water absorbing properties of compound Through-Air Thermal Bonded Nonwovens, reduces reverse osmosis amount.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of compound Through-Air Thermal Bonded Nonwovens；
Fig. 2 is the structural schematic diagram of the flow-guiding channel of the high spot of compound Through-Air Thermal Bonded Nonwovens；
Fig. 3 is any longitudinal section view of side by side bicomponent doughnut.
In figure, 1, guide layer；11, lug boss；12, concave part；2, surface layer；3, flow-guiding channel；4, cortex；5, sandwich layer；6,
Cavity.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.The wherein identical attached drawing of identical components
Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
It is the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
Embodiment 1
A kind of compound Through-Air Thermal Bonded Nonwovens, as shown in Figures 1 and 2, including guide layer 1,1 pressure rolling of guide layer at corrugated,
The part of its protrusion is lug boss 11, and concave part 12 is formed between two adjacent lug bosses 11, and the upper and lower surface of guide layer 1 is logical
It crosses hot wind and is bonded with surface layer 2.Surface layer 2 is smooth plane away from the outer surface of guide layer 1.Pressure rolling has several water conservancy diversion in surface layer 2
Channel 3, flow-guiding channel 3 extend to the high spot of guide layer 1 and the adhesive surface of surface layer 2.
In conjunction with Fig. 2 and Fig. 3, surface layer 2 with guide layer 1 is glued in the molten state by a large amount of side by side bicomponent doughnut
It closes and is formed.Wherein, wherein the material of the cortex 4 of side by side bicomponent doughnut is polyethylene fibre, and the material of sandwich layer 5 is poly-
Ethylene glycol terephthalate fiber.Side by side bicomponent doughnut is not before melting, in its arbitrary radial section, skin
Layer 4 is rounded or oval, two laid out in parallel of cladding and the identical sandwich layer 5 of structure in cortex 4, wherein single sandwich layer 5 is in half
The arc surface of circle, two sandwich layers 5 is bonded with the inner surface of cortex 4, and the horizontal plane of two sandwich layers 5 is opposite, in 4 inside shape of cortex
At cavity 6.When side by side bicomponent doughnut high-temperature fusion, the polyethylene fibre of cortex 4 melts first, and polyethylene fibre is molten
It is attached to the arc surface of sandwich layer 5 after melting, the gap between cortex 4 and the arc surface of sandwich layer 5 is filled.Due to poly- pair of sandwich layer 5
The fusing point of ethylene terephthalate fiber is higher, and when cortex 4 melts, during cortex 4 coats sandwich layer 5, sandwich layer 5 can be protected
Original state is held, to keep 6 shape invariance of cavity.Wherein, the fineness of the side by side bicomponent doughnut of surface layer 2 is 1.5
Denier, the fineness of the side by side bicomponent doughnut of guide layer 1 are 12 denier, core/sheath ratio 40/60, crispation number be 15 no./cm,
Crimpness is 10%.
In the present embodiment, the technological process of production of this kind of compound Through-Air Thermal Bonded Nonwovens is as follows：
Polythene material and pet material are first fed into corresponding screw rod melt extruded machine respectively
In squeezed, filtered and calculated load, be respectively formed the two of polythene material and pet material
Kind melt；Subsequent two-component polymer enters spinneret guide hole side by side, after being squeezed out by spinneret, acts on down by ring wind quenching
Cooling drawing-off forms the side by side bicomponent doughnut of surface layer 2 and guide layer 1, wherein circular blow wind velocity is 0.7m/s, and wind speed is
20℃；By the side by side bicomponent doughnut of guide layer 1, the networking and by hot blast adhesion after combing, keeps side by side bicomponent hollow
The cortex 4 of fiber is overlapped bonding in the molten state and forms Through-Air Thermal Bonded Nonwovens；By guide layer 1 by the high temperature of concave-convex roller
The cortex 4 of hot rolling, fiber melts, then cooling and shaping, and the guide layer 1 of corrugated is made；It is laid with later in the two sides of guide layer 1
The side by side bicomponent doughnut of surface layer 2, the networking and by hot blast adhesion after combing, at this point, it is non-woven to form compound hot wind
Cloth；The compound Through-Air Thermal Bonded Nonwovens pressure rolling flow-guiding channel 3 that will be prepared, make flow-guiding channel 3 extend to the high spot of guide layer 1 with
The adhesive surface of surface layer 2.
Embodiment 2
A kind of compound Through-Air Thermal Bonded Nonwovens, the difference from embodiment 1 is that, the hollow fibre of the side by side bicomponent of guide layer 1
The core/sheath ratio of dimension is 40/60, crispation number is 12 no./cm, crimpness 10%.
Embodiment 3
A kind of compound Through-Air Thermal Bonded Nonwovens, the difference from embodiment 1 is that, the hollow fibre of the side by side bicomponent of guide layer 1
The core/sheath ratio of dimension is 50/50, crispation number is 20 no./cm, crimpness 15%.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of compound Through-Air Thermal Bonded Nonwovens, which is characterized in that including guide layer (1), guide layer (1) pressure rolling is at corrugation
The upper and lower surface of shape, the guide layer (1) has surface layer (2) by hot blast adhesion, and the surface layer (2) is away from the outer of guide layer (1)
Surface is smooth plane.
2. a kind of compound Through-Air Thermal Bonded Nonwovens according to claim 1, it is characterised in that：There is pressure rolling on the surface layer (2)
The flow-guiding channel (3) of several adhesive surfaces for extending to guide layer (1) and surface layer (2).
3. a kind of compound Through-Air Thermal Bonded Nonwovens according to claim 2, it is characterised in that：Guide layer (1) protrusion
Part is lug boss (11), and the flow-guiding channel (3) is located at lug boss (11).
4. a kind of compound Through-Air Thermal Bonded Nonwovens according to claim 1, it is characterised in that：The surface layer (2) and guide layer
It (1) is to be bonded to be formed in the molten state by a large amount of side by side bicomponent doughnuts, the side by side bicomponent doughnut includes
The sandwich layer (5) of cortex (4) and internal two laid out in parallel of cortex (4), the cortex (4) is rounded or oval, the core
Layer (5) semicircular in shape, the arc surface of the sandwich layer (5) are bonded with the inner surface of cortex (4), the level of two sandwich layers (5)
Face is opposite, forms cavity (6) inside cortex (4)；The fusing point of the cortex (4) is lower than the fusing point of sandwich layer (5), when double groups arranged side by side
When dividing doughnut melting heating, the cortex (4) is Nian Jie with the deformation of the connecting portion of cortex (4), the interior table of the cortex (4)
Bread covers the arc surface of sandwich layer (5).
5. a kind of compound Through-Air Thermal Bonded Nonwovens according to claim 4, it is characterised in that：Arranged side by side pair of the surface layer (2)
The fineness of component doughnut is 1.5 denier, and the fineness of the side by side bicomponent doughnut of the guide layer (1) is 12 denier.
6. a kind of compound Through-Air Thermal Bonded Nonwovens according to claim 4, it is characterised in that：The guide layer (1) it is arranged side by side
The core/sheath ratio of bi-component doughnut is 40/60-50/50.
7. a kind of compound Through-Air Thermal Bonded Nonwovens according to claim 4, characterized in that arranged side by side pair of the guide layer (1)
The crispation number of component doughnut is 12-20 no./cm.
8. a kind of compound Through-Air Thermal Bonded Nonwovens according to claim 4, characterized in that arranged side by side pair of the guide layer (1)
The crimpness of component doughnut is 10-15%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820399314.7U CN208101221U (en) | 2018-03-22 | 2018-03-22 | A kind of compound Through-Air Thermal Bonded Nonwovens |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820399314.7U CN208101221U (en) | 2018-03-22 | 2018-03-22 | A kind of compound Through-Air Thermal Bonded Nonwovens |
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| CN208101221U true CN208101221U (en) | 2018-11-16 |
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| CN201820399314.7U Active CN208101221U (en) | 2018-03-22 | 2018-03-22 | A kind of compound Through-Air Thermal Bonded Nonwovens |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113855401A (en) * | 2021-10-21 | 2021-12-31 | 广东昱升个人护理用品股份有限公司 | Corrugated absorption composite core and manufacturing method thereof |
| CN114561745A (en) * | 2021-12-13 | 2022-05-31 | 杭州诺邦无纺股份有限公司 | Phase-change non-woven material with temperature adjusting function |
-
2018
- 2018-03-22 CN CN201820399314.7U patent/CN208101221U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113855401A (en) * | 2021-10-21 | 2021-12-31 | 广东昱升个人护理用品股份有限公司 | Corrugated absorption composite core and manufacturing method thereof |
| CN114561745A (en) * | 2021-12-13 | 2022-05-31 | 杭州诺邦无纺股份有限公司 | Phase-change non-woven material with temperature adjusting function |
| CN114561745B (en) * | 2021-12-13 | 2023-03-17 | 杭州诺邦无纺股份有限公司 | Phase-change non-woven material with temperature adjusting function |
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