CN104494244A - Composite flow guide material - Google Patents
Composite flow guide material Download PDFInfo
- Publication number
- CN104494244A CN104494244A CN201410848090.XA CN201410848090A CN104494244A CN 104494244 A CN104494244 A CN 104494244A CN 201410848090 A CN201410848090 A CN 201410848090A CN 104494244 A CN104494244 A CN 104494244A
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- China
- Prior art keywords
- fiber
- guide material
- net
- fibre
- composite guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/08—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
-
- 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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/04—Cellulosic plastic fibres, e.g. rayon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/12—Conjugate fibres, e.g. core/sheath or side-by-side
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/14—Mixture of at least two fibres made of different materials
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The invention discloses a composite flow guide material. The flow guide material is composed of two layers of fiber nets, wherein the fiber net on the surface layer is made of skin-core bicomponent fibers which are treated for many times by using a hydrophilic oiling agent, are relatively regularly arranged along the length direction and are fixed on a net through hot air bonding; the fiber net on the lower layer is made of viscose fibers and polyester fibers which are fixed on a net through spunlacing and tangling; the fiber net on the lower layer has the characteristics of upper fluffiness and lower denseness, namely fluffy upper surface and dense lower surface; and the two layers of fiber nets are bonded through spraying a wet-strength hot melt adhesive. The composite flow guide material has the characteristics that multi-permeation speed is high, and the back-permeation quantity is small; a liquid is mainly diffused along the length direction, the diffusion area on the surface layer is small, the diffusion area on the lower layer is large, and the diffusion area ratio of a material on the lower layer to a material on the upper layer is larger than 15.
Description
Technical field
The present invention relates to a kind of composite guide material.Described composite guide material is mainly used in the Disposable Sanitary Accessory such as paper nappy, sanitary napkin.
Background technology
Fluid conducting material is positioned at the centre position of Disposable Sanitary Accessory (as: paper nappy, sanitary napkin etc.) top layer and absorbent core layer, mainly play conduction, diffusion, fast under blend the effect preventing reverse osmosis, thus make liquid at this layer of arrival afterwards fast and be delivered to absorbent core layer along its length equably, improve the absorption efficiency of SAP in sandwich layer to greatest extent, effectively prevent the amenities phenomenon of leakage from occurring.
Existing Disposable Sanitary Accessory compound guide layer used is liquid absorptive material, its objective is temporarily to store liquid by absorbent material, and then by liquid diffusing baffle to absorbent core layer.This compound guide layer thickness is comparatively large, and cellulose fiber peacekeeping superabsorbent fiber use amount is more, therefore expensive, and liquid not can infiltrate in core body completely and goes, and still has comparatively many parts to remain in guide layer absorbent material, causes the product amount of bleeding back larger.Separately, such compound guide layer adopts dust-free paper technique (dry method of paper-making technique) manufacture, can produce a large amount of dust, complex manufacturing, and there is material dry linting phenomenon, bring inconvenience to the production process of amenities in production process.
Summary of the invention
The object of the invention is, a kind of composite guide material is provided.
For achieving the above object, the present invention by the following technical solutions: a kind of composite guide material, is made up of two layer web.Top fiber net adopts hot blast adhesion to reinforce and forms.Lowermost fibre Netcom crosses water jet entanglement reinforcing and forms.Bond by spraying wet epistasis PUR between fleece.
Described surface fibre net adopts core-skin bicomponent fibers, and its mediopellis is polyethylene, and sandwich layer is any one in polypropylene, polyester two kinds of resins; Fibre length is 30 ~ 70mm, and fineness is 3 ~ 40D; Fiber is through commercial repeatedly hydrophilic spinning oil process.Through combing well known in the art, drawing-off, the random technique of impurity elimination, make the most of fiber in described hot blast adhesion fleece arrange more regular along its length, the gap length between wherein staggered elongate strip fibre bundle is 0.2 ~ 4.5mm.Surface fibre net grammes per square metre is 15 ~ 45g/m
2.
Described lowermost fibre net is made up of viscose fiber and polyester fiber two component, and wherein the content of viscose fiber is 30 ~ 95wt %.Fibroreticulate grammes per square metre is 50 ~ 160 g/m
2.Its design feature is: upper Panasonic is real, namely upper surface is fluffy, lower surface is closely knit, this design feature realizes through water jet process control technology well known in the art, that is: upper surface water thorn number of channels and water thorn pressure are all less than lower surface, thus make to form funnel-form fluid transport structure between this fleece upper and lower surface, and fleece up and down between there is potential energy difference, to ooze under can making liquid rapidly, rapid diffusion.
Composite guide material as above, adopts wet epistasis PUR to glue together between two layer web; Described wet epistasis PUR is the one in Henkel 5811u or Bostik 4660 or Fuller 1,088 three kinds; Resin application methods is the one in omega glue spraying or fiber glue spraying or spiral glue spraying three kinds, preferred omega glue spraying.
Beneficial effect of the present invention is:
Liquid mainly spreads along its length in composite guide material, little in the online diffusion area of surface fibre, large in the online diffusion area of bottom fiber, lowermost fibre net is greater than 15 with top fiber net diffusion area ratio, the liquid that this characteristic makes described fluid conducting material contact with subsides skin surface material is few, reverse osmosis is just less to the liquid of surface material, therefore can effectively reduce the stimulation of the excretas such as urine to skin.The another side of described fluid conducting material contacts with absorbent core layer, because liquid diffusion area is large, is beneficial to liquid and is absorbed by absorbent core layer more rapidly, effectively, improve the absorption efficiency of absorbent core layer.In addition, described fluid conducting material repeatedly permeates rapidly, and the amount of bleeding back is few, and through the test of LISTER-CA permeameter, first three time time of penetration is all less than 3s, and the amount of bleeding back is less than or equal to 0.1g.
Detailed description of the invention
A kind of composite guide material is made up of two layer web, and top fiber net adopts hot blast adhesion to reinforce and forms, and lowermost fibre Netcom crosses water jet entanglement reinforcing and forms.
Surface fibre net adopts sheath/core bicomponent fiber, and its mediopellis is polyethylene, sandwich layer is polyester, and fibre length is 30 ~ 70mm, and fineness is 3 ~ 40D, and fiber is through repeatedly hydrophilic finish HA-YJ-1309D/HA-YJ-1308(is commercial) process.Surface fibre is transferred to doffer after Cylinder Carding, by reducing the velocity ratio between doffer and Condensing Roller, makes the most of fiber after combing arrange regular along its length.Be transferred on baking oven lace curtaining after web forming, output speed due to fibre web is less than the speed of baking oven lace curtaining, in the moment of contact, lace curtaining has the effect of a tractive to fibre web, makes the gap length between elongate strip fibre bundle staggered in the fibre web after hot blast solidification be 0.2 ~ 4.5mm.This fibroreticulate square of grammes per square metre is 15 ~ 45g/m
2.
Lowermost fibre net adopts polyester fiber and viscose fiber mixing match, and wherein the ratio of viscose fiber is 30 ~ 95wt%; After mixed fiber carding, through high-pressure water shot flowing water thorn, upper surface water stings 2 roads, and water thorn pressure is respectively 30bar and 50bar, and lower surface water stings 3 roads, and water thorn pressure is respectively 40bar, 60bar and 80bar; After dewatered drying, make the water jet entangled fiber net that upper surface is fluffy, lower surface is closely knit, its square of grammes per square metre is 50 ~ 160g/m
2.
Two layer web is bondd by wet epistasis PUR Henkel 5811u or Bostik 4660 or Fuller 1088, and resin application methods is the one in omega glue spraying or fiber glue spraying or spiral glue spraying three kinds, preferred omega glue spraying.
According to said method, produce composite guide material sample 1, sample 2, sample 3 and sample 4, each sample and contrast sample (being widely used in the fluid conducting material of Disposable Sanitary Accessory at present) parameter as shown in table 1:
Table 1
Configure a certain amount of physiological saline, and add 0.5% indigo, for subsequent use in physiological saline.
Employing LISTER-CA permeameter, tests sample respectively and contrast sample repeatedly permeates, the data of the amount of bleeding back.
Diffusion length measuring method: be placed on the filter paper of iron plate by test sample, regulate the height of addition funnel, makes the specimen surface of the distance bottom 5mm ~ 10mm of its end opening.Accurately pipette test solution 5mL in the funnel regulated with pipette, then open rapidly funnel section door to maximum, solution is freely flow on the surface of sample, after solution stream is complete, funnel section door is closed.Continuous discharge 3 times, then measures physiological saline at the diffusion length of sample upper surface and lower surface and width, repeatedly tests, average, and calculate area.
Test result is as shown in table 2:
Table 2
Test result shows, a kind of composite guide material provided by the invention, due to the special construction of surface fibre net, ooze rapidly under making liquid, and diffusion area is little, containing hydrophily and the good viscose fiber of wet guilding in lowermost fibre net, fully, promptly the liquid adsorption in surface fibre net can be got off, simultaneously by the structure that Panasonic on it is close, liquid is mainly spread and unidirectional downward infiltration along its length, therefore the amount of bleeding back is minimum.
Below in conjunction with the embodiments to invention has been comparatively detailed description, but this does not form the restriction to content of the present invention.The amendment made under same design, change and modification, all fall into protection scope of the present invention.
Claims (7)
1. a composite guide material, is made up of two layer web, and top fiber net adopts hot blast adhesion to reinforce and forms, and lowermost fibre Netcom crosses water jet entanglement reinforcing and forms; Bond by spraying wet epistasis PUR between fleece; This composite guide material is repeatedly permeated rapidly, and first three time time of penetration is less than 3s, and the amount of bleeding back is less than or equal to 0.1g; Liquid mainly spreads along its length, little in the online diffusion area of surface fibre, and large in the online diffusion area of lowermost fibre, lowermost fibre net is greater than 15 with top fiber net diffusion area ratio.
2. composite guide material as claimed in claim 1, it is characterized in that described surface fibre net adopts sheath/core bicomponent fiber, its mediopellis is polyethylene, sandwich layer is any one in polypropylene and polyester two kinds of resins, fibre length is 30 ~ 70mm, fineness is 3 ~ 40D, and fiber is through repeatedly hydrophilic finish process.
3. composite guide material as claimed in claim 1, is characterized in that the most of fiber in the hot blast adhesion fleece of described top layer arranges more regular along its length, and the gap length between wherein staggered elongate strip fibre bundle is 0.2 ~ 4.5mm; Square grammes per square metre of surface fibre net is 15 ~ 45g/m
2.
4. composite guide material as claimed in claim 1, is characterized in that the ratio of the viscose fiber that described lowermost fibre net adopts is 30 ~ 95wt%.
5. composite guide material as claimed in claim 1, is characterized in that the structure of described lowermost fibre net is that upper surface is fluffy, lower surface is closely knit, and the water jet puncture number of channels suffered by upper surface and water jet puncture pressure are all less than lower surface.
6. composite guide material as claimed in claim 1, is characterized in that square grammes per square metre of described lowermost fibre net is 50 ~ 160g/m
2.
7. composite guide material as claimed in claim 1, is characterized in that described glue spraying mode is fiber glue spraying or spiral glue spraying or omega glue spraying, preferred omega glue spraying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410848090.XA CN104494244A (en) | 2014-12-31 | 2014-12-31 | Composite flow guide material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410848090.XA CN104494244A (en) | 2014-12-31 | 2014-12-31 | Composite flow guide material |
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| CN104494244A true CN104494244A (en) | 2015-04-08 |
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| CN201410848090.XA Pending CN104494244A (en) | 2014-12-31 | 2014-12-31 | Composite flow guide material |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105369476A (en) * | 2015-10-09 | 2016-03-02 | 东华大学 | Nonwoven composite material with oriented water guide function, and manufacturing method thereof |
| CN105780301A (en) * | 2016-03-30 | 2016-07-20 | 大源非织造（苏州）有限公司 | Strong-hydrophilic composite double-layer through-air thermal-bonded nonwoven and preparation method thereof |
| CN106691705A (en) * | 2015-07-30 | 2017-05-24 | 佛山市啟盛卫生用品有限公司 | Sanitary towel with double-guide-layer structure |
| CN106691703A (en) * | 2015-07-30 | 2017-05-24 | 佛山市啟盛卫生用品有限公司 | Infant paper diaper with double-guiding-layer structure |
| CN107938165A (en) * | 2017-12-29 | 2018-04-20 | 广东川田卫生用品有限公司 | A kind of double-deck spunlace non-woven cloth of sanitary napkin |
| CN108796946A (en) * | 2018-06-28 | 2018-11-13 | 东华大学 | The densification of sectional tension formula and loose gradient-structure fabric Preparation method and use |
| CN108796947A (en) * | 2018-06-28 | 2018-11-13 | 东华大学 | Positive hot rolling prepares gradient-structure suction moisture-inhibiting and perspires cloth process and purposes with counter wear loose |
| CN109453003A (en) * | 2018-11-13 | 2019-03-12 | 上海护理佳实业有限公司 | The compound lateral guide layer and preparation method and spill-preventive breast pad of a kind of spill-preventive breast pad |
| CN110284261A (en) * | 2019-07-10 | 2019-09-27 | 武汉纺织大学 | A kind of preparation method of reverse osmosis compound nonwoven cloth |
| CN112829416A (en) * | 2020-12-31 | 2021-05-25 | 福建恒安集团有限公司 | Flow guide layer non-woven fabric and manufacturing method and application thereof |
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| US20020046445A1 (en) * | 2000-10-19 | 2002-04-25 | Gerd Pferdmenges | Sliver-forming device in a fiber processing machine |
| WO2009061366A1 (en) * | 2007-11-05 | 2009-05-14 | Huesker, Inc. | Geotextile composite for filtration of contaminated liquids and sediments and methods of using same |
| CN101530628A (en) * | 2009-04-17 | 2009-09-16 | 东华大学 | Composite flowing layer material and preparation method thereof |
| CN202751506U (en) * | 2012-06-26 | 2013-02-27 | 稳健医疗（黄冈）有限公司 | All-cotton degradable environment-friendly sanitary pad |
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2014
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020046445A1 (en) * | 2000-10-19 | 2002-04-25 | Gerd Pferdmenges | Sliver-forming device in a fiber processing machine |
| WO2009061366A1 (en) * | 2007-11-05 | 2009-05-14 | Huesker, Inc. | Geotextile composite for filtration of contaminated liquids and sediments and methods of using same |
| CN101530628A (en) * | 2009-04-17 | 2009-09-16 | 东华大学 | Composite flowing layer material and preparation method thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106691705A (en) * | 2015-07-30 | 2017-05-24 | 佛山市啟盛卫生用品有限公司 | Sanitary towel with double-guide-layer structure |
| CN106691703A (en) * | 2015-07-30 | 2017-05-24 | 佛山市啟盛卫生用品有限公司 | Infant paper diaper with double-guiding-layer structure |
| CN105369476A (en) * | 2015-10-09 | 2016-03-02 | 东华大学 | Nonwoven composite material with oriented water guide function, and manufacturing method thereof |
| CN105780301A (en) * | 2016-03-30 | 2016-07-20 | 大源非织造（苏州）有限公司 | Strong-hydrophilic composite double-layer through-air thermal-bonded nonwoven and preparation method thereof |
| CN107938165A (en) * | 2017-12-29 | 2018-04-20 | 广东川田卫生用品有限公司 | A kind of double-deck spunlace non-woven cloth of sanitary napkin |
| CN108796947A (en) * | 2018-06-28 | 2018-11-13 | 东华大学 | Positive hot rolling prepares gradient-structure suction moisture-inhibiting and perspires cloth process and purposes with counter wear loose |
| CN108796946A (en) * | 2018-06-28 | 2018-11-13 | 东华大学 | The densification of sectional tension formula and loose gradient-structure fabric Preparation method and use |
| CN108796946B (en) * | 2018-06-28 | 2020-12-25 | 东华大学 | Preparation method and application of sectional tension type dense and loose gradient structure fabric |
| CN108796947B (en) * | 2018-06-28 | 2021-01-15 | 东华大学 | Method for preparing moisture-absorbing and moisture-permeable sweat-releasing fabric with gradient structure by positive hot rolling and negative loosening and application |
| CN109453003A (en) * | 2018-11-13 | 2019-03-12 | 上海护理佳实业有限公司 | The compound lateral guide layer and preparation method and spill-preventive breast pad of a kind of spill-preventive breast pad |
| CN109453003B (en) * | 2018-11-13 | 2024-02-27 | 上海护理佳实业有限公司 | Composite transverse flow guiding layer of anti-galactorrhea pad, preparation method and anti-galactorrhea pad |
| CN110284261A (en) * | 2019-07-10 | 2019-09-27 | 武汉纺织大学 | A kind of preparation method of reverse osmosis compound nonwoven cloth |
| CN112829416A (en) * | 2020-12-31 | 2021-05-25 | 福建恒安集团有限公司 | Flow guide layer non-woven fabric and manufacturing method and application thereof |
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Application publication date: 20150408 |
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