CN205856780U - A kind of non-woven material with asymmetric transmission characteristic - Google Patents
A kind of non-woven material with asymmetric transmission characteristic Download PDFInfo
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- CN205856780U CN205856780U CN201620741713.8U CN201620741713U CN205856780U CN 205856780 U CN205856780 U CN 205856780U CN 201620741713 U CN201620741713 U CN 201620741713U CN 205856780 U CN205856780 U CN 205856780U
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Abstract
This utility model is applicable to the technical field of non-woven material, disclose a kind of non-woven material with asymmetric transmission characteristic, non-woven material is multi-level structure, including moisture absorption layer, transition wetness-guiding layer and refuse wet layer, described transition wetness-guiding layer is at moisture absorption layer and refuses between wet layer, and and moisture absorption layer, refuse wet layer to be combined, described moisture absorption layer is made up of according to certain ratio multiple moisture-absorbing fibre, described transition wetness-guiding layer is by the mutually interspersed mixed fiber layer formed of moisture-absorbing fibre and PLA long filament, described refuses the fluffy fiber layer that wet layer is made up of PLA long filament, the composite nonwoven material constituted by PLA fibrous layer and moisture absorption layer, not only green, environmental protection, biodegradable, simultaneously, the asymmetric transmission in non-woven material of aqueous water or vaporous water can also be realized.
Description
[technical field]
This utility model relates to the technical field of non-woven material, has the non-of asymmetric transmission characteristic particularly to a kind of
Weaving material and preparation technology thereof.
[background technology]
Non-woven material, as the one of fibrous material, owing to its raw material sources are wide, processing technique is flexible and changeable, can make
It is prepared as the preferable staple fiber nonwovens of hygroscopicity with hygroscopicity preferable atural staple fibre cotton, hair, fiber crops, bamboo fibre etc.,
The Biodegradable fibers such as chitin fiber, chitin fiber, viscose rayon can be used to be prepared as green non-woven material, also
Polylactic acid slice can be utilized to be prepared as biodegradable filament nonwoven material by melt spinning method into the net.
Along with improving and the progress of science and technology of people's living standard, the non-woven material used at one's side is not required nothing more than by people
Its most functional and comfortableness provided, also requires that it has green, environmental protection, biodegradable characteristic.Such as diaper, defend
The surface layer of raw towel just requires that material not only has softness, ventilative characteristic, moreover it is possible to allows the liquid to rapid osmotic and does not bleeds back, and keeps
Paste the dry and comfortable of skin face.
So-called asymmetric transmission characteristic refers to that aqueous water or vaporous water can be with through-thickness quickly from non-woven materials
One side is delivered to another side, and opposite direction is transmitted, and speed is very slow or cannot transmit.Control aqueous water and vaporous water non-woven
The main method of the transmission characteristic in material is by controlling the architectural feature of non-woven material or using chemical finishing agent (water repellent
Finishing agent, hydrophilic finishing agent etc.) method produce differential capillary effect, form aqueous water or vaporous water edge in non-woven material
The asymmetric transmission of thickness direction.And for the non-woven material being made up of Biodegradable fibers, utilize chemical finishing
Although agent can control aqueous water and the vaporous water transmission characteristic in non-woven material, but destroy raw material green,
Environmental protection, biodegradable characteristics.
Non-woven material is widely used in operating coat, protective garment, sterilization infantees, mask, diaper, women as one
The fibrous material of the medicine and hygiene fieldses such as sanitary towel, bag bag tea-bag, and the Long Term Contact such as human body skin, medical apparatus and instruments, therefore
Development one not only has asymmetric transmission characteristic to aqueous water or vaporous water, has again green, environmental protection, biodegradable characteristics
Non-woven material be the key improving people's living standard further.
[utility model content]
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, it is provided that one has asymmetric transmission characteristic
Non-woven material, both there is green, environmental protection, biodegradable environmental protection characteristic, aqueous water or vaporous water can have been realized again non-
Asymmetric transmission in weaving material.
For achieving the above object, the utility model proposes a kind of non-woven material with asymmetric transmission characteristic, non-
Weaving material is multi-level structure, and including moisture absorption layer, transition wetness-guiding layer with refuse wet layer, described transition wetness-guiding layer is positioned at moisture absorption layer
And refuse between wet layer, and with moisture absorption layer, refuse wet layer be combined, described moisture absorption layer is according to certain ratio by multiple moisture-absorbing fibre
Example forms, and described transition wetness-guiding layer is by the mutually interspersed mixed fiber layer formed of moisture-absorbing fibre and PLA long filament, described
Refuse the fluffy fiber layer that wet layer is made up of PLA long filament.
As preferably, the grammes per square metre of described moisture absorption layer is 15～20gsm, and the described grammes per square metre refusing wet layer is 10～15gsm,
The grammes per square metre of described transition wetness-guiding layer is 8～12gsm.
As preferably, described moisture-absorbing fibre includes bamboo fibre, viscose rayon, tencel fiber, chitin fiber, carapace
Two or more in cellulose fiber, atural staple fibre.
As preferably, described moisture absorption layer is prepared from by the fiber of following parts by weight: bamboo fibre 30～40 parts, viscose glue
Fiber 50～60 parts, chitin fiber 8～12 parts.
As preferably, described moisture absorption layer is prepared from by the fiber of following parts by weight: bamboo fibre 30 parts, viscose rayon
60 parts, chitin fiber 10 parts.
As preferably, described moisture absorption layer is prepared from by the fiber of following parts by weight: bamboo fibre 35 parts, viscose rayon
55 parts, chitin fiber 10 parts.
As preferably, described moisture absorption layer is prepared from by the fiber of following parts by weight: bamboo fibre 40 parts, viscose rayon
50 parts, chitin fiber 10 parts.
The beneficial effects of the utility model: compared with prior art, the one that this utility model provides has asymmetric biography
The non-woven material of defeated characteristic and preparation technology thereof, non-woven material is a kind of multi-level structure, leads wet including moisture absorption layer, transition
Layer and refuse wet layer, moisture absorption layer is to have multiple multiple moisture-absorbing fibre including bamboo fibre, viscose glue, chitosan according to certain
Ratio forms, and refuses the fluffy fiber layer that wet layer is made up of PLA long filament, transition wetness-guiding layer be by one layer by moisture-absorbing fibre and
The mixed fiber layer of PLA long filament composition, so that non-woven material forms multi-level structure, and then realizes asymmetric to liquid
Transmission characteristic；Do not use any chemical finishing agent, there is the characteristic of green, environment-friendly degradable, simultaneously bamboo fibre, chitosan suppression
Antibacterial, the growth of microorganism, the frivolous softness of quality, it is possible at short notice liquid is quickly delivered to moisture absorption layer also from refusing wet layer
Prevent liquid from bleeding back.
Feature of the present utility model and advantage will combine accompanying drawing by embodiment and be described in detail.
[accompanying drawing explanation]
Fig. 1 is the structural representation of a kind of non-woven material with asymmetric transmission characteristic of this utility model embodiment.
In figure: 1-moisture absorption layer, 2-transition wetness-guiding layer, 3-refuse wet layer.
[detailed description of the invention]
For making the purpose of this utility model, technical scheme and advantage of greater clarity, below by accompanying drawing and implement
Example, is further elaborated to this utility model.However, it should be understood that specific embodiment described herein only in order to
Explain this utility model, be not limited to scope of the present utility model.Additionally, in the following description, eliminate known knot
Structure and the description of technology, to avoid unnecessarily obscuring concept of the present utility model.
Refering to Fig. 1, this utility model embodiment provides a kind of non-woven material with asymmetric transmission characteristic, non-woven
Material is multi-level structure, and including moisture absorption layer 1, transition wetness-guiding layer 2 with refuse wet layer 3, described transition wetness-guiding layer 2 is positioned at moisture absorption layer
1 and refuse between wet layer 3, and with moisture absorption layer 1, refuse wet layer 3 and be combined, described moisture absorption layer 1 is according to one by multiple moisture-absorbing fibre
Fixed ratio composition, described transition wetness-guiding layer 2 is by the mutually interspersed composite fibre formed of moisture-absorbing fibre and PLA long filament
Layer, described refuses the fluffy fiber layer that wet layer 3 is made up of PLA long filament.
Wherein, the grammes per square metre of described moisture absorption layer 1 is 15～20gsm, and the described grammes per square metre refusing wet layer 3 is 10～15gsm, institute
The grammes per square metre of the transition wetness-guiding layer 2 stated is 8～12gsm.
Further, described moisture-absorbing fibre includes bamboo fibre, viscose rayon, tencel fiber, chitin fiber, carapace
Two or more in cellulose fiber, atural staple fibre.
Further, described moisture absorption layer 1 is prepared from by the fiber of following parts by weight: bamboo fibre 30～40 parts,
Viscose rayon 50～60 parts, chitin fiber 8～12 parts.
The present embodiment also provides for the preparation technology of a kind of non-woven material with asymmetric transmission characteristic, including walking as follows
Rapid:
Step one, prepare fibrous layer: utilize multiple moisture-absorbing fibre to prepare moisture absorption layer according to certain ratio by compound
1, utilize polylactic acid slice to be prepared as biodegradable refusing wet layer 3 by melt spinning method into the net.
Step 2, fibrous layer are compound: pass through compound by moisture absorption layer 1 with refusing wet layer 3 so that the part moisture absorption on moisture absorption layer 1
Property fiber and the part PLA long filament refused in wet layer 3 mutually intert the mixed fiber layer transition wetness-guiding layer 2 of composition, form tool
There is the non-woven material of asymmetric transmission characteristic.
Wherein, Combined Mining method hot rolling method.
Embodiment one,
Described moisture absorption layer 1 is prepared from by the fiber of following parts by weight: bamboo fibre 30 parts, viscose rayon 60 parts, shell
Polysaccharide fiber 10 parts.
Embodiment two,
Described moisture absorption layer 1 is prepared from by the fiber of following parts by weight: bamboo fibre 35 parts, viscose rayon 55 parts, shell
Polysaccharide fiber 10 parts.
Embodiment three,
Described moisture absorption layer 1 is prepared from by the fiber of following parts by weight: bamboo fibre 40 parts, viscose rayon 50 parts, shell
Polysaccharide fiber 10 parts.
A kind of non-woven material with asymmetric transmission characteristic of this utility model and preparation technology thereof, utilize hygroscopicity fine
The transition wetness-guiding layer 2 of the mutually interspersed composition of peacekeeping PLA long filament, utilizes the moisture absorption passage of composition between fiber to realize aqueous water or gas
State water quickly transmits to moisture absorption layer from refusing wet layer, and to refuse the PLA fibrous layer in wet layer 3 be fluffy lacunose, under stress can
Capturing rapidly liquid, moisture absorption layer 1 is then provided that the capillary force of vertical direction, makes liquid quickly to transmit, and reduces reverse osmosis
Amount, meanwhile, moisture-absorbing fibre and PLA filament fiber all greens, environmental protection, biodegradable, there is the higher feature of environmental protection.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Any amendment, equivalent or the improvement etc. made within the spirit of utility model and principle, should be included in this utility model
Protection domain within.
Claims (7)
1. a non-woven material with asymmetric transmission characteristic, it is characterised in that: non-woven material is multi-level structure, bag
Including moisture absorption layer (1), transition wetness-guiding layer (2) and refuse wet layer (3), described transition wetness-guiding layer (2) is positioned at moisture absorption layer (1) and refuses wet layer
(3) between, and with moisture absorption layer (1), refuse wet layer (3) be combined, described moisture absorption layer (1) is according to necessarily by multiple moisture-absorbing fibre
Ratio composition, described transition wetness-guiding layer (2) is mutually interted the composite fibre formed by moisture-absorbing fibre and PLA long filament
Layer, described refuses the fluffy fiber layer that wet layer (3) is made up of PLA long filament.
A kind of non-woven material with asymmetric transmission characteristic, it is characterised in that: described suction
The grammes per square metre of wet layer (1) is 15～20gsm, and the described grammes per square metre refusing wet layer (3) is 10～15gsm, described transition wetness-guiding layer (2)
Grammes per square metre be 8～12gsm.
A kind of non-woven material with asymmetric transmission characteristic, it is characterised in that: described suction
Moist fiber includes two kinds in bamboo fibre, viscose rayon, tencel fiber, chitin fiber, chitin fiber, atural staple fibre
Or it is two or more.
A kind of non-woven material with asymmetric transmission characteristic, it is characterised in that: described suction
Wet layer (1) is prepared from by the fiber of following parts by weight: bamboo fibre 30～40 parts, viscose rayon 50～60 parts, chitosan fibre
Tie up 8～12 parts.
A kind of non-woven material with asymmetric transmission characteristic, it is characterised in that: described suction
Wet layer (1) is prepared from by the fiber of following parts by weight: bamboo fibre 30 parts, viscose rayon 60 parts, chitin fiber 10 parts.
A kind of non-woven material with asymmetric transmission characteristic, it is characterised in that: described suction
Wet layer (1) is prepared from by the fiber of following parts by weight: bamboo fibre 35 parts, viscose rayon 55 parts, chitin fiber 10 parts.
A kind of non-woven material with asymmetric transmission characteristic, it is characterised in that: described suction
Wet layer (1) is prepared from by the fiber of following parts by weight: bamboo fibre 40 parts, viscose rayon 50 parts, chitin fiber 10 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620741713.8U CN205856780U (en) | 2016-07-12 | 2016-07-12 | A kind of non-woven material with asymmetric transmission characteristic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620741713.8U CN205856780U (en) | 2016-07-12 | 2016-07-12 | A kind of non-woven material with asymmetric transmission characteristic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205856780U true CN205856780U (en) | 2017-01-04 |
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|---|---|---|---|
| CN201620741713.8U Active CN205856780U (en) | 2016-07-12 | 2016-07-12 | A kind of non-woven material with asymmetric transmission characteristic |
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| Country | Link |
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| CN (1) | CN205856780U (en) |
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2016
- 2016-07-12 CN CN201620741713.8U patent/CN205856780U/en active Active
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 313100 new century Industrial Park, Li Jiaxiang, Changxing County, Huzhou, Zhejiang Patentee after: Zhejiang Jinsanfa Sanitary Material Technology Co., Ltd. Address before: 313100 new century Industrial Park, Li Jiaxiang, Changxing County, Huzhou, Zhejiang Patentee before: Zhejiang Kingsafe Now-woven Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |