CN207669906U - A kind of high-barrier Breathable nonwoven - Google Patents
A kind of high-barrier Breathable nonwoven Download PDFInfo
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- CN207669906U CN207669906U CN201721473536.0U CN201721473536U CN207669906U CN 207669906 U CN207669906 U CN 207669906U CN 201721473536 U CN201721473536 U CN 201721473536U CN 207669906 U CN207669906 U CN 207669906U
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Abstract
The utility model is related to a kind of high-barrier Breathable nonwovens, including the first air-permeable layer, the first barrier layer, the first isolation layer, central barrier layer, the second isolation layer, the second barrier layer, the second air-permeable layer；First barrier layer is set between the first air-permeable layer and the first isolation layer, neutral barrier layer is set between the first isolation layer and the second isolation layer, the second barrier layer is set between the second isolation layer and air-permeable layer；Method of each layer by repeatedly melting jet spinning connects each layer in the way of hot melting cohesion.Pass through multiple imitative " ten " character form structure fiber crossovers, after hot melt, being formed in non-woven fabrics has imitative " rice " character form structure, both there is excellent structural strength, ensure inner fabric structure voidage, conducive to air etc. lead it is wet, while also have multiple barrier channels, the path for reinforcing internal gas flow communication, to improve the barrier property of non-woven fabrics.
Description
【Technical field】
The utility model is related to field of nonwoven fabric technology, specifically, being a kind of high-barrier Breathable nonwoven.
【Background technology】
Non-woven fabrics (English name:Non Woven Fabric or Nonwoven cloth) it is also known as nonwoven fabric, it is by orienting
Or random fiber and constitute, be environment-friendly materials of new generation, have it is moisture-proof, ventilative, flexible, light, not combustion-supporting, be easy point
The features such as solving, be nontoxic nonirritant, rich in color, cheap, recyclable.Such as mostly use polypropylene (pp materials) pellet
For raw material, batches continuous one-step through high-temperature fusion, spinneret, paving guiding principle, hot pressing and produce.Because having the appearance of cloth and certain property
Can and be called cloth.And barrier and the important performance that permeability is non-woven fabrics, normally due to the gap of non-woven fabrics is uncontrollable, and
Internal conducting structure causes its barrier property poor, while causing barrier property excellent inside non-woven fabrics using secluding film, but
Its gas permeability is affected, and therefore, it is difficult to reach non-woven fabrics high-barrier and ventilative unification.
At present in the structure of non-woven fabrics, typically use multilayer multiple functions non-woven fabrics overlapped, it is compound or
Bonding obtains.A kind of medical mask of Chinese patent with non-woven fabrics (201610563377.7), include successively from inside to outside skin-friendly layer,
Water accepting layer, antibacterial layer, barrier layer, waterproof ventilative layer knead dough layer；The skin-friendly layer knead dough layer is nonwoven layer；The barrier layer
For resin film layer, a diameter of 0.1~1 μm of micropore of receiving which is provided with.A kind of medical mask non-woven fabrics of the present invention, passes through each layer
Rational design, can effectively obstruct PM2.5 dust and the toxic gas in air, while capableing of the water of efficient absorption characteristics of contaminated respiratory droplets
Vapour, plays human body and is effectively protected, while also meeting the effect of comfortable ventilating at the effect of also having both restraining and sterilizing bacteria, comprehensive
It can excellent, wide market.
A kind of uvioresistant non-woven fabrics filter disc (201520724015.2) of Chinese patent sets on polypropylene spunbond non-woven fabrics outer layer
The bamboo fibre melt spraying non-woven fabrics outer layer of active layer of charcoal and attachment phthalocyanines photosensitizer, is connected between each layer, respectively with adhesive layer
The thickness of layer is no more than 0.5mm, and polypropylene spunbond non-woven fabrics outer layer is covered with several air holes, and several hole diameters are 10 μm, living
Property layer of charcoal grammes per square metre be 30~40g/m2, by multiple filtration and suction-operated, have effectively achieved barrier PM2.5 particles and enter
The purpose of human body, activation layer of charcoal have potent adsorption capacity, while also having both the effect of sterilizing, you can prevent the pollution of the environment pair
The damage of human body can prevent the propagation of disease again, be worth producing and promoting.
A kind of antibacteria and fragrance Non-woven tape of Chinese patent and preparation method thereof (201610324535.3), antibacteria and fragrance without
Woven fabric adhesive tape includes base material and adhesive-layer, and base material includes upper layer non-woven fabrics, lower nonwoven cloth and intermediate fabric layer cloth, upper layer nonwoven
Cloth and lower nonwoven cloth include according to the raw material of parts by weight：Polyester fiber, viscose rayon, intermediate fabric layer cloth is according to parts by weight
Raw material include：Terylene, spandex, bamboo charcoal fiber；Be coated with additive on intermediate fabric layer cloth, additive according to parts by weight original
Material includes：Fragrance particle, aloe juice, rose extract.The present invention has good permeability, stretch performance and glues
Performance is tied, intermediate fabric layer cloth is additionally arranged in base material, which can effectively obstruct external bacterium intrusion wound, reduce
Wound infection probability, and adhesive tape antibacterial timeliness is lasting, and the present invention can discharge fragrance, add aloe juice and rose extraction
Liquid can aid in wound and restore and not stay scar, easy to use.
Chinese patent is a kind of to have antibacterial, ventilative, anti-static function operation non-woven fabrics hole towel
(201420411515.6), including draping surgery, fluid aspirating bag, the fluid aspirating bag are arranged in draping surgery, are set in draping surgery
It punches, it is characterized in that the draping surgery is functional ventilated membrane compound nonwoven cloth construction, the side that the draping surgery back side punches
Edge is equipped with graphene ring, is pasted equipped with inner ring imbibition at the edge that draping surgery front punches, and inner ring imbibition patch periphery is equipped with annular
Diversion trench, annular diversion trench periphery are pasted equipped with outer shroud imbibition, and the annular diversion trench is connect by conduit with fluid aspirating bag.This practicality
Novel advantageous effect is：This hole towel has many advantages, such as that good permeability, antistatic, light-weight, water imbibition is strong, easy to use, clear
Clean health, energy block contaminants, allow medical worker and patient to trust；And the multinomial advantage such as at low cost, environmentally protective, have fine
Economic benefit and social benefit.
A kind of high antibacterial of Chinese patent, the novel slightly soluble non-woven fabrics for adsorbing heavy metal molecule
(201620144753.4), include the ES fibers of carboxymethyl chitosan fiber, chitin fiber and low melting point, ES fibers are inner core
Type structure, inner core are PP fibers, and crust is PE fibers, and non-woven fabrics is equipped with heat pressure adhesive area, is between adjacent heat pressure adhesive area
Original non-woven fabrics area.The utility model flexible, breathable, intensity is big, not easy to break, and moisture-absorbing moisture-keeping performance is remarkably reinforced, in temperature 25
~40 DEG C, PH be that carboxymethyl chitosan fiber, chitin fiber dissolve in various degree under 5.0~8.0 environment, generate slightly soluble shape
State, effective barrier, filtering molecule, has higher anti-microbial property, absorption heavy metal molecule performance.
A kind of high-barrier non-woven fabric composite material of Chinese patent and its manufacturing method and special equipment
(201010607698.5), the present invention includes that integrally formed at least two layers of spun-bonded non-woven fabrics and at least one layer of superfine fibre are membranaceous
Structural material；The membranaceous structural material of superfine fibre, which is that the superfine fibre cloth that is generated by melt-blown is calendered, to be obtained, and is pressed from both sides
It is located between the spun-bonded non-woven fabrics, the spun-bonded non-woven fabrics are 3~120g/m2, the membranaceous material of superfine fibre be 3~
60g/m2, manufactured by special equipment and manufacturing method of the present invention, acquired non-woven fabric composite material it is resistance to quiet
Hydraulic pressure HSH is that 1.5-10 times of common SMS non-woven fabrics of the melt-blown micro fibre layer without press polish film process is even higher, barrier
Ability substantially increases, and is fully able to reach operating coat, surgical operation towel, the paper urine of the industries high barriers such as medical treatment, health, industry
The occasion that the high-barriers such as trousers substrate, protective clothes require, and processed without additional coating or overlay film.
A kind of resistance to flushing of Chinese patent, selective resistance belong to function every the non-woven fabrics (201510022783.8) of ultraviolet light
Property textile field, more particularly to the non-woven fabrics with UV resistance function.This non-woven fabrics is by by large stretch of graphene oxide
As UV absorption filler, in water after mixing with aqueous polymer resin, non-woven fabrics both sides are coated in, drying forming obtains
It arrives.Mean transmissivity of the non-woven fabrics that the present invention obtains in long wave ultraviolet region is less than 4%, UV resistance coefficient>30, visible
The transmitance in light region is small (30%~50%) compared with pure non-woven fabrics fall, and is vigorously stirred after 30 days and can still protect in water
Hold the above performance.The present invention is easy, at low cost, environmentally protective, is suitble to large-scale industrial production, and high selectivity, UV resistance
Performance is good, and resistance to flushing has good flexibility, and coating is not easily to fall off, acid and alkali-resistance, can keep the temperature, and can be used for ultraviolet protection clothes, anti-purple
The fields such as outer screen window, UV resistance tarpaulin.
Chinese patent it is a kind of can blocking radiant heat high strength non-woven fabric (201620325333.6), including from top to bottom according to
Upper polypropylene fiber silk fibrous layer, middle polypropylene fiber silk fibrous layer and the lower polypropylene fiber silk fibrous layer of secondary bonding, in the upper polypropylene fiber silk fibrous layer and
It is bonded with by adhesive between the middle polypropylene fiber silk fibrous layer and lower polypropylene fiber silk fibrous layer between middle polypropylene fiber silk fibrous layer
One aluminium foil layer, and it is bonded with a glass fiber mesh layer respectively in the upper and lower surface of the middle polypropylene fiber silk fibrous layer.This reality
With the novel polypropylene fibre silk fiber using three-decker, there is certain thickness, good heat-insulated erasure effect can be played, and lead to
The aluminium foil for crossing setting double-layer structure compensates for deficiency existing for non-woven fabrics pull resistance and morphotropism, is less prone to drawing crack breakage, together
When can also effectively obstruct stronger heat radiation, reach better heat insulation, be additionally provided with the glass fibre of high intensity,
It can further improve the comprehensive strength of the non-woven fabrics.
【Utility model content】
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of high-barrier Breathable nonwoven.
The purpose of this utility model is achieved through the following technical solutions：
A kind of high-barrier Breathable nonwoven, including the first air-permeable layer, the first barrier layer, the first isolation layer, central barrier layer,
Second isolation layer, the second barrier layer, the second air-permeable layer；First barrier layer is set between the first air-permeable layer and the first isolation layer, the
Neutral barrier layer is set between one isolation layer and the second isolation layer, the second barrier layer is set between the second isolation layer and air-permeable layer.
Method of each layer by repeatedly melting jet spinning connects each layer in the way of hot melting cohesion.
The Density of first air-permeable layer is 30~50g/m2, the first ventilative layer thickness is 0.5~
1.0mm；
The Density of first barrier layer is 60~80g/m2, the first barrier layer layer thickness is 0.25~
0.75mm；
The Density of first isolation layer is 80~100g/m2, the described first isolation layer thickness is 1.0~
2.0mm；
The Density of the central barrier layer is 150~200g/m2, the central barrier layer thickness 1.5~
3.0mm；
First air-permeable layer and the second air-permeable layer institutional framework having the same；
First isolation layer and the second isolation layer institutional framework having the same；
First air-permeable layer is terylene nonwoven layer of cloth, and the terylene non-woven fabric of the first air-permeable layer is passed through by polyester raw material
Unidirectional melting jet spinning obtains the yarn of the first air-permeable layer terylene non-woven fabric；
First barrier layer is with polytetrafluoroethylene (PTFE) nonwoven layer, and the polytetrafluoroethylene (PTFE) non-woven fabrics of the first barrier layer
The weft for the warp and the first barrier layer that layer obtains the first barrier layer by polytetrafluoroethylene (PTFE) through two-way solution jet spinning is constituted,
And first the weft orientation of warp and the first barrier layer of barrier layer be in imitative " ten " font；
First isolation layer is low melting point polypropylene non-woven layer of cloth, and the low melting point polypropylene non-woven of the first isolation layer
Layer of cloth obtains the first isolation layer low melting point polypropylene non-woven fabric by low melting point pp material through unidirectional melting jet spinning
Yarn；
The yarn of the yarn of the first air-permeable layer terylene non-woven fabric and the first isolation layer low melting point polypropylene non-woven fabric
It is arranged in imitative " ten " font, and the yarn of the first air-permeable layer terylene non-woven fabric, the first isolation layer low melting point polypropylene non-woven fabric
The weft of yarn, the warp of the first barrier layer and the first barrier layer is in that imitative " rice " character form structure arranges.
The central barrier layer is polytetrafluoroethylene (PTFE) nonwoven layer, and polytetrafluoroethylene (PTFE) nonwoven layer is sprayed by solution
The mode of spinning makes polytetrafluoroethylene fibre form the polytetrafluoroethylene (PTFE) non-woven fabrics of central barrier layer in a manner of random arrangement
Layer.
Polytetrafluoroethylene (PTFE) is commonly called as " King ", has excellent chemical stability, corrosion resistance, leakproofness, high lubrication not
Viscosity, electrical insulating property and good anti-aging endurance.Polytetrafluoroethylene fibre itself has excellent low-surface-energy and hydrophobicity
Can, as thin-film material, it is used for gas-insulated seperation film and has excellent performance；Isolation centered on polytetrafluoroethylene (PTFE) and barrier layer
Material provides the barrier property of whole non-woven fabrics, while utilizing fibrous material sheet using the isolation effect of polytetrafluoroethylene (PTFE) itself
The gas permeability of body institutional framework, to improve the permeability of non-woven fabrics, avoid due to monoblock membrane material permeability not
The problem of foot.
Simultaneously using the excellent hydrophobic and ventilating structure of the low melting point polypropylene fibre in isolation layer, to improve non-woven fabrics
Permeability.And low melting point polypropylene fibre itself has excellent hot melting cohesion performance, can be good at and each layer
Nonwoven cloth material carries out hot melting cohesion.
By multiple imitative " ten " character form structure fiber crossovers, after hot melt, being formed in non-woven fabrics has imitative " rice " word
Shape structure, both have excellent structural strength, ensure inner fabric structure voidage, conducive to air etc. lead it is wet, together
When also have multiple barrier channels, reinforce the path of internal gas flow communication, to improve the barrier property of non-woven fabrics, and tie
Polytetrafluoroethylene (PTFE) nonwoven layer random in central barrier layer is closed, the barrier property of whole non-woven fabrics is improved；And by symmetrical
The ventilative unification with high obstructing performance of height of non-woven fabrics is realized in the distribution of structure.
Compared with prior art, the good effect of the utility model is：
The utility model bonds design by the fabric with different structure and functions, both ensure that the structure of fabric was strong
Degree and frivolous property, while also achieving the barrier of non-woven fabrics and the demand of gas permeability；It is realized with multi-layer fiber cloth by being thermally bonded
Connection between tissue layer is prevented the bonding connection of " rice " character form structure by using the fiber of different arrangements, both ensure that strong
It spends while also ensuring barrier property and permeability, by the design of multiple symmetrical structures, maximum possible ensure that nonwoven
The gas permeability of cloth, while the barrier property of the polytetrafluoroethylene (PTFE) using central barrier layer are realized using the micropore of polytetrafluoroethylene (PTFE)
The permeability and barrier property of non-woven fabrics are strengthened, and ensure barrier and the gas permeability of whole non-woven fabrics.
【Description of the drawings】
The structural schematic diagram of Fig. 1 the utility model；
Fig. 2 the utility model part nonwoven layer structural schematic diagram.
Label in attached drawing be：
1 is the first air-permeable layer, and 2 be the first barrier layer, and 3 be the first isolation layer, barrier layer centered on 4, and 5 be the second isolation
Layer, 6 be the second barrier layer, and 7 be the second air-permeable layer；101 be the yarn of the first air-permeable layer terylene non-woven fabric, and 201 be the first barrier
The warp of layer, 202 be the weft of the first barrier layer, and 301 be the yarn of the first isolation layer low melting point polypropylene non-woven fabric.
【Specific implementation mode】
A kind of specific implementation mode of high-barrier Breathable nonwoven of the utility model presented below.
Embodiment 1
Refer to attached drawing, a kind of high-barrier Breathable nonwoven, including the first air-permeable layer 1, the first barrier layer 2, the first isolation
Layer 3, central barrier layer 4, the second isolation layer 5, the second barrier layer 6, the second air-permeable layer 7；First air-permeable layer and the first isolation layer it
Between the first barrier layer is set, neutral barrier layer, the second isolation layer and air-permeable layer are set between the first isolation layer and the second isolation layer
Between the second barrier layer is set；Method of each layer by repeatedly melting jet spinning connects each layer in the way of hot melting cohesion
It connects.
The Density of first air-permeable layer is 30~50g/m2, the first ventilative layer thickness is 0.5~
1.0mm；
The Density of first barrier layer is 60~80g/m2, the first barrier layer layer thickness is 0.25~
0.75mm；
The Density of first isolation layer is 80~100g/m2, the described first isolation layer thickness is 1.0~
2.0mm；
The Density of the central barrier layer is 150~200g/m2, the central barrier layer thickness 1.5~
3.0mm；
First air-permeable layer and the second air-permeable layer institutional framework having the same；
First isolation layer and the second isolation layer institutional framework having the same；
First air-permeable layer is terylene nonwoven layer of cloth, and the terylene non-woven fabric of the first air-permeable layer is passed through by polyester raw material
Unidirectional melting jet spinning obtains the yarn 101 of the first air-permeable layer terylene non-woven fabric；
First barrier layer is with polytetrafluoroethylene (PTFE) nonwoven layer, and the polytetrafluoroethylene (PTFE) non-woven fabrics of the first barrier layer
Layer obtains the weft of the warp 201 and the first barrier layer of the first barrier layer by polytetrafluoroethylene (PTFE) through two-way solution jet spinning
202 are constituted, and the weft orientation of the warp of the first barrier layer and the first barrier layer is in imitative " ten " font；
First isolation layer is low melting point polypropylene non-woven layer of cloth, and the low melting point polypropylene non-woven of the first isolation layer
Layer of cloth obtains the first isolation layer low melting point polypropylene non-woven fabric by low melting point pp material through unidirectional melting jet spinning
Yarn 301；
The yarn of the yarn 101 of the first air-permeable layer terylene non-woven fabric and the first isolation layer low melting point polypropylene non-woven fabric
Line 301 is arranged in imitative " ten " font, and the yarn 101 of the first air-permeable layer terylene non-woven fabric, the first isolation layer low melting point polypropylene
The yarn 301 of non-woven fabrics, the warp 201 of the first barrier layer and the weft 202 of the first barrier layer are in that imitative " rice " character form structure arranges.
The central barrier layer is polytetrafluoroethylene (PTFE) nonwoven layer, and polytetrafluoroethylene (PTFE) nonwoven layer is sprayed by solution
The mode of spinning makes polytetrafluoroethylene fibre form the polytetrafluoroethylene (PTFE) non-woven fabrics of central barrier layer in a manner of random arrangement
Layer.
Polytetrafluoroethylene (PTFE) is commonly called as " King ", has excellent chemical stability, corrosion resistance, leakproofness, high lubrication not
Viscosity, electrical insulating property and good anti-aging endurance.Polytetrafluoroethylene fibre itself has excellent low-surface-energy and hydrophobicity
Can, as thin-film material, it is used for gas-insulated seperation film and has excellent performance；Isolation centered on polytetrafluoroethylene (PTFE) and barrier layer
Material provides the barrier property of whole non-woven fabrics, while utilizing fibrous material sheet using the isolation effect of polytetrafluoroethylene (PTFE) itself
The gas permeability of body institutional framework, to improve the permeability of non-woven fabrics, avoid due to monoblock membrane material permeability not
The problem of foot.
Simultaneously using the excellent hydrophobic and ventilating structure of the low melting point polypropylene fibre in isolation layer, to improve non-woven fabrics
Permeability.And low melting point polypropylene fibre itself has excellent hot melting cohesion performance, can be good at and each layer
Nonwoven cloth material carries out hot melting cohesion.
By multiple imitative " ten " character form structure fiber crossovers, after hot melt, being formed in non-woven fabrics has imitative " rice " word
Shape structure, both have excellent structural strength, ensure inner fabric structure voidage, conducive to air etc. lead it is wet, together
When also have multiple barrier channels, reinforce the path of internal gas flow communication, to improve the barrier property of non-woven fabrics, and tie
Polytetrafluoroethylene (PTFE) nonwoven layer random in central barrier layer is closed, the barrier property of whole non-woven fabrics is improved；And by symmetrical
The ventilative unification with high obstructing performance of height of non-woven fabrics is realized in the distribution of structure.
Compared with prior art, the good effect of the utility model is：
The utility model bonds design by the fabric with different structure and functions, both ensure that the structure of fabric was strong
Degree and frivolous property, while also achieving the barrier of non-woven fabrics and the demand of gas permeability；It is realized with multi-layer fiber cloth by being thermally bonded
Connection between tissue layer is prevented the bonding connection of " rice " character form structure by using the fiber of different arrangements, both ensure that strong
It spends while also ensuring barrier property and permeability, by the design of multiple symmetrical structures, maximum possible ensure that nonwoven
The gas permeability of cloth, while the barrier property of the polytetrafluoroethylene (PTFE) using central barrier layer are realized using the micropore of polytetrafluoroethylene (PTFE)
The permeability and barrier property of non-woven fabrics are strengthened, and ensure barrier and the gas permeability of whole non-woven fabrics.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
Art personnel can also make several improvements and modifications without departing from the concept of the premise utility, these improvements and modifications
Also it should be regarded as in the scope of protection of the utility model.
Claims (10)
1. a kind of high-barrier Breathable nonwoven, including the first air-permeable layer, the first barrier layer, the first isolation layer, central barrier layer, the
Two isolation layers, the second barrier layer, the second air-permeable layer；First barrier layer is set between the first air-permeable layer and the first isolation layer, first
Neutral barrier layer is set between isolation layer and the second isolation layer, the second barrier layer is set between the second isolation layer and air-permeable layer.
2. a kind of high-barrier Breathable nonwoven as described in claim 1, which is characterized in that the fabric of first air-permeable layer
Density is 30~50g/m2, the first ventilative layer thickness is 0.5~1.0mm.
3. a kind of high-barrier Breathable nonwoven as described in claim 1, which is characterized in that the fabric of first barrier layer
Density is 60~80g/m2, the first barrier layer thickness is 0.25~0.75mm.
4. a kind of high-barrier Breathable nonwoven as described in claim 1, which is characterized in that the fabric of first isolation layer
Density is 80~100g/m2, the first isolation layer thickness is 1.0~2.0mm.
5. a kind of high-barrier Breathable nonwoven as described in claim 1, which is characterized in that the fabric of the central barrier layer
Density is 150~200g/m2, the 1.5~3.0mm of central barrier layer thickness.
6. a kind of high-barrier Breathable nonwoven as described in claim 1, which is characterized in that first air-permeable layer is terylene
Nonwoven layer, and the terylene non-woven fabric of the first air-permeable layer obtains the first air-permeable layer by polyester raw material through unidirectional melting jet spinning
The yarn of terylene non-woven fabric.
7. a kind of high-barrier Breathable nonwoven as described in claim 1, which is characterized in that first barrier layer is with poly-
Tetrafluoroethene nonwoven layer, and the polytetrafluoroethylene (PTFE) nonwoven layer of the first barrier layer is sprayed by polytetrafluoroethylene (PTFE) through two-way solution
The weft for the warp and the first barrier layer that spinning obtains the first barrier layer is constituted, and the warp of the first barrier layer and the first barrier layer
Weft orientation be in imitative " ten " font.
8. a kind of high-barrier Breathable nonwoven as described in claim 1, which is characterized in that first isolation layer is eutectic
Point polypropylene non-woven layer of cloth, and the low melting point polypropylene non-woven layer of cloth of the first isolation layer is unidirectional by low melting point pp material warp
Melting jet spinning obtains the yarn of the first isolation layer low melting point polypropylene non-woven fabric.
9. a kind of high-barrier Breathable nonwoven as described in claim 1, which is characterized in that the first air-permeable layer terylene without
The yarn of the yarn of woven fabric and the first isolation layer low melting point polypropylene non-woven fabric is in that imitative " ten " font arranges, and the first air-permeable layer is washed
The yarn of synthetic fibre non-woven fabrics, the yarn of the first isolation layer low melting point polypropylene non-woven fabric, the warp of the first barrier layer and the first barrier
The weft of layer is in that imitative " rice " character form structure arranges.
10. a kind of high-barrier Breathable nonwoven as described in claim 1, which is characterized in that the central barrier layer is poly-
Tetrafluoroethene nonwoven layer, and polytetrafluoroethylene (PTFE) nonwoven layer makes polytetrafluoroethylene fibre by way of solution jet spinning
The polytetrafluoroethylene (PTFE) nonwoven layer of central barrier layer is formed in a manner of random arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721473536.0U CN207669906U (en) | 2017-11-07 | 2017-11-07 | A kind of high-barrier Breathable nonwoven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721473536.0U CN207669906U (en) | 2017-11-07 | 2017-11-07 | A kind of high-barrier Breathable nonwoven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207669906U true CN207669906U (en) | 2018-07-31 |
Family
ID=62965193
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|---|---|---|---|
| CN201721473536.0U Expired - Fee Related CN207669906U (en) | 2017-11-07 | 2017-11-07 | A kind of high-barrier Breathable nonwoven |
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| Country | Link |
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