CN208101220U - A kind of bumps Through-Air Thermal Bonded Nonwovens - Google Patents
A kind of bumps Through-Air Thermal Bonded Nonwovens Download PDFInfo
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- CN208101220U CN208101220U CN201820399040.1U CN201820399040U CN208101220U CN 208101220 U CN208101220 U CN 208101220U CN 201820399040 U CN201820399040 U CN 201820399040U CN 208101220 U CN208101220 U CN 208101220U
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Abstract
The utility model relates to a kind of concave-convex Through-Air Thermal Bonded Nonwovens, belong to Through-Air Thermal Bonded Nonwovens field, it is intended to improve the imbibition ability of the high spot of concave-convex Through-Air Thermal Bonded Nonwovens.This kind bumps Through-Air Thermal Bonded Nonwovens, including the upper adsorption layer and lower adsorption layer being integrally formed by hot blast adhesion, upper adsorption layer and lower adsorption layer pressure rolling are at corrugated, the part of its protrusion is lug boss, pressure rolling has flow-guiding channel at the lug boss of upper adsorption layer and lower adsorption layer, and the bottom of flow-guiding channel extends at the adhesive surface of adsorption layer and lower adsorption layer.During using having concave-convex Through-Air Thermal Bonded Nonwovens product, contact of the concave-convex Through-Air Thermal Bonded Nonwovens with human skin has become point contact from face contact, when the high spot of concave-convex Through-Air Thermal Bonded Nonwovens increases flow-guiding channel, the liquid runs down flow-guiding channel of high spot quickly penetrates into inside concave-convex Through-Air Thermal Bonded Nonwovens, Accumulation Phenomenon will not occur for the liquid of high spot, user will not experience strong glutinous wet sense, and use feeling is preferable.
Description
Technical field
The utility model relates to hot wind non-woven material fields, more specifically, it to be related to a kind of concave-convex 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.
Concave-convex Through-Air Thermal Bonded Nonwovens are a special categories of hot wind nonwovens process, and plain weave is made after heat bonding in it
Through-Air Thermal Bonded Nonwovens, using the high temperature hot rolling of concave-convex roller, fibrocortex melts, then cooling and shaping, and the bumps of corrugated are made
Through-Air Thermal Bonded Nonwovens, are applied to sanitary napkin surface layer, and the longitudinal diffusion of accelerating liquid also can be applied to sanitary napkin side, comply with
Human cinology prevents liquid side leakage.During using having concave-convex Through-Air Thermal Bonded Nonwovens product, concave-convex hot wind is non-woven
Contact of the cloth with human skin has become point contact from face contact, although improving the impression of user, also requires simultaneously recessed
The high spot imbibition ability of convex Through-Air Thermal Bonded Nonwovens is stronger.If the imbibition ability of the high spot of concave-convex Through-Air Thermal Bonded Nonwovens compared with
Difference, user can experience strong glutinous wet sense, and the use feeling of user is poor.
Utility model content
The purpose of this utility model is to provide a kind of concave-convex Through-Air Thermal Bonded Nonwovens, by concave-convex Through-Air Thermal Bonded Nonwovens
High spot increases flow-guiding channel, improves the imbibition ability of the high spot of concave-convex Through-Air Thermal Bonded Nonwovens.
The above-mentioned technical purpose of the utility model technical scheme is that：It is a kind of that concave-convex hot wind is non-knits
Cloth is made, including the upper adsorption layer and lower adsorption layer being integrally formed by hot blast adhesion, the upper adsorption layer and lower adsorption layer pressure rolling
At corrugated, the part of protrusion is lug boss, and the upper adsorption layer has flow-guiding channel with pressure rolling at the lug boss of lower adsorption layer,
The bottom of flow-guiding channel extends at the adhesive surface of adsorption layer and lower adsorption layer.
By using above-mentioned technical proposal, during using having concave-convex Through-Air Thermal Bonded Nonwovens product, concave-convex hot wind
Contact of the non-woven cloth with human skin has become point contact from face contact, when the high spot increase of concave-convex Through-Air Thermal Bonded Nonwovens is led
When circulation road, the liquid runs down flow-guiding channel of high spot quickly penetrates into inside concave-convex Through-Air Thermal Bonded Nonwovens, and the liquid of high spot is not
Accumulation Phenomenon can occur, user will not experience strong glutinous wet sense, and use feeling is preferable.
The utility model is further arranged to：Two of the flow-guiding channel of the upper adsorption layer and adjacent lower adsorption layer lead
Circulation road is equidistant.
The utility model is further arranged to：The upper adsorption layer and lower adsorption layer are by the hollow fibre of a large amount of side by side bicomponent
Bonding is formed dimension in the molten state, and the side by side bicomponent doughnut includes two laid out in parallel inside cortex and cortex
Sandwich layer, the cortex is rounded or oval, the sandwich layer semicircular in shape, the arc surface of the sandwich layer and the inner surface of cortex
Fitting, the horizontal plane of two sandwich layers is opposite, and cavity is formed inside cortex；The fusing point of the cortex is molten lower than sandwich layer
Point, when side by side bicomponent doughnut, which melts, to be heated, the cortex is Nian Jie with the deformation of the connecting portion of cortex, the cortex
The arc surface of inner surface cladding sandwich layer.
By using above-mentioned technical proposal：Hollow structure in side by side bicomponent doughnut increases in unit volume
Surface area, when liquid contacts concave-convex Through-Air Thermal Bonded Nonwovens, liquid quickly passes through outer layer and reaches cavity；The introducing of sandwich layer improves
The crimp property of concave-convex Through-Air Thermal Bonded Nonwovens assigns lasting crimp property, meanwhile, sandwich layer, which enhances, will enter liquid in cavity
Adsorption capacity, the water suction of concave-convex 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 is 1.5-2 denier.
The utility model is further arranged to：The fibre length of the side by side bicomponent doughnut is 38-52mm.
The utility model is further arranged to：The material of the cortex is polyethylene fibre, and the material of the sandwich layer is poly-
Ethylene glycol terephthalate fiber.
In conclusion the utility model has the advantages that：Using with concave-convex Through-Air Thermal Bonded Nonwovens product
In the process, contact of the concave-convex Through-Air Thermal Bonded Nonwovens with human skin has become point contact from face contact, when concave-convex hot wind is non-woven
When the high spot of cloth increases flow-guiding channel, the liquid runs down flow-guiding channel of high spot quickly penetrates into concave-convex Through-Air Thermal Bonded Nonwovens
Accumulation Phenomenon will not occur for portion, the liquid of high spot, and user will not experience strong glutinous wet sense, and use feeling is preferable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of concave-convex Through-Air Thermal Bonded Nonwovens；
Fig. 2 is the structural schematic diagram of the flow-guiding channel of the high spot of concave-convex Through-Air Thermal Bonded Nonwovens；
Fig. 3 is any longitudinal section view of side by side bicomponent doughnut.
In figure, 1, upper adsorption layer；2, lower adsorption layer；3, lug boss；4, concave part；5, flow-guiding channel；6, cortex；7, core
Layer；8, 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 bumps Through-Air Thermal Bonded Nonwovens, as shown in Figures 1 and 2, including upper adsorption layer 1 and lower adsorption layer 2, upper adsorption layer
1 is integrally formed with lower adsorption layer 2 by hot blast adhesion.Upper adsorption layer 1 is with lower 2 pressure rolling of adsorption layer at corrugated, the portion of protrusion
It is divided into lug boss 3, forms concave part 4 between two adjacent lug bosses 3.At this point, under the lug boss 3 of upper adsorption layer 1 corresponds to
The concave part 4 of adsorption layer 2, the concave part 4 of upper adsorption layer 1 correspond to the lug boss 3 of lower adsorption layer 2.Upper adsorption layer 1 and lower absorption
Pressure rolling has flow-guiding channel 5 at the lug boss 3 of layer 2, and the bottom of flow-guiding channel 5 extends to the bonding of adsorption layer 1 Yu lower adsorption layer 2
At face.
In conjunction with Fig. 2 and Fig. 3, it is 1.5 denier that upper adsorption layer 1, which is by a large amount of fibre finenesses with lower adsorption layer 2, and fibre length is
The side by side bicomponent doughnut of 45mm bonds to be formed in the molten state.Wherein, the cortex 6 of side by side bicomponent doughnut
Material is polyethylene fibre, and the material of sandwich layer 7 is pet fiber.Side by side bicomponent doughnut is not
Before melting, in its arbitrary radial section, cortex 6 is rounded or oval, two laid out in parallel of cladding and knot in cortex 6
The identical sandwich layer 7 of structure, wherein single 7 semicircular in shape of sandwich layer, the arc surface of two sandwich layers 7 are bonded with the inner surface of cortex 6, and two
The horizontal plane of root sandwich layer 7 is opposite, and cavity 8 is formed inside cortex 6.When side by side bicomponent doughnut high-temperature fusion, cortex 6
Polyethylene fibre melt first, the arc surface of sandwich layer 7 is attached to after polyethylene fibre melting, by the circular arc of cortex 6 and sandwich layer 7
Gap filling between face.Since the fusing point of the pet fiber of sandwich layer 7 is higher, when cortex 6 melts, skin
During layer 6 coats sandwich layer 7, sandwich layer 7 can keep original state, to keep 8 shape invariance of cavity.
In the present embodiment, the technological process of production of this kind bumps 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 side by side bicomponent doughnut, wherein circular blow wind velocity is 0.7m/s, and wind speed is 20 DEG C；Side by side bicomponent
Doughnut networking and by hot blast adhesion after combing, make the cortex 6 of side by side bicomponent doughnut in the molten state into
Row superposition bonding forms Through-Air Thermal Bonded Nonwovens；Along its length and width direction pressure rolling spacing by the Through-Air Thermal Bonded Nonwovens prepared
Identical flow-guiding channel 5；Two pieces of Through-Air Thermal Bonded Nonwovens are taken, one of is upper adsorption layer 1, and another piece is lower adsorption layer 2, will be upper
Adsorption layer 1 is bonded with the surface of lower adsorption layer 2, meanwhile, the flow-guiding channel 5 of upper adsorption layer 1 and lower adsorption layer 2, which misplaces, to be placed, and is made
The flow-guiding channel 5 of upper adsorption layer 1 is equidistant with the flow-guiding channel 5 of adjacent lower adsorption layer 2；Later by the height of concave-convex roller
Warm is rolled, and during high temperature hot rolling, adsorption layer 1 and the flow-guiding channel 5 of lower adsorption layer 2 is made to be located at high spot, fiber
Cortex 6 melts, then cooling and shaping, and the concave-convex Through-Air Thermal Bonded Nonwovens of corrugated are made.
Embodiment 2
A kind of bumps Through-Air Thermal Bonded Nonwovens, the difference from embodiment 1 is that, the fineness of side by side bicomponent doughnut is
2 denier, fibre length 38mm.
Embodiment 3
A kind of bumps Through-Air Thermal Bonded Nonwovens, the difference from embodiment 1 is that, the fineness of side by side bicomponent doughnut is
1.5 denier, fibre length 42mm.
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 (6)
1. a kind of bumps Through-Air Thermal Bonded Nonwovens, which is characterized in that including the upper adsorption layer (1) that is integrally formed by hot blast adhesion with
Lower adsorption layer (2), the upper adsorption layer (1) and lower adsorption layer (2) pressure rolling are lug boss (3) at corrugated, the part of protrusion,
There is flow-guiding channel (5) pressure rolling at the lug boss (3) of the upper adsorption layer (1) and lower adsorption layer (2), the bottom of flow-guiding channel (5)
It extends at the adhesive surface of adsorption layer (1) and lower adsorption layer (2).
2. a kind of concave-convex Through-Air Thermal Bonded Nonwovens according to claim 1, it is characterised in that：Upper adsorption layer (1) is led
Circulation road (5) is equidistant with two flow-guiding channel (5) of adjacent lower adsorption layer (2).
3. a kind of concave-convex Through-Air Thermal Bonded Nonwovens according to claim 1, it is characterised in that：The upper adsorption layer (1) is under
Adsorption layer (2) is to be bonded to be formed in the molten state by a large amount of side by side bicomponent doughnuts, the hollow fibre of side by side bicomponent
Dimension includes the sandwich layer (7) of cortex (6) and internal two laid out in parallel of cortex (6), and the cortex (6) is rounded or oval,
Sandwich layer (7) semicircular in shape, the arc surface of the sandwich layer (7) are bonded with the inner surface of cortex (6), two sandwich layers (7)
Horizontal plane it is opposite, form cavity (8) inside the cortex (6)；The fusing point of the cortex (6) is lower than the fusing point of sandwich layer (7), when simultaneously
When the melting heating of column bi-component doughnut, the cortex (6) is Nian Jie with the deformation of the connecting portion of cortex (6), the cortex (6)
Inner surface cladding sandwich layer (7) arc surface.
4. a kind of concave-convex Through-Air Thermal Bonded Nonwovens according to claim 3, it is characterised in that：The hollow fibre of side by side bicomponent
The fineness of dimension is 1.5-2 denier.
5. a kind of concave-convex Through-Air Thermal Bonded Nonwovens according to claim 4, it is characterised in that：The hollow fibre of side by side bicomponent
The fibre length of dimension is 38-52mm.
6. a kind of concave-convex Through-Air Thermal Bonded Nonwovens according to claim 3, it is characterised in that：The material of the cortex (6) is
Polyethylene fibre, the material of the sandwich layer (7) are pet fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820399040.1U CN208101220U (en) | 2018-03-22 | 2018-03-22 | A kind of bumps Through-Air Thermal Bonded Nonwovens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820399040.1U CN208101220U (en) | 2018-03-22 | 2018-03-22 | A kind of bumps Through-Air Thermal Bonded Nonwovens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208101220U true CN208101220U (en) | 2018-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820399040.1U Active CN208101220U (en) | 2018-03-22 | 2018-03-22 | A kind of bumps Through-Air Thermal Bonded Nonwovens |
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| Country | Link |
|---|---|
| CN (1) | CN208101220U (en) |
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2018
- 2018-03-22 CN CN201820399040.1U patent/CN208101220U/en active Active
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