CN104339811B - Multilayer cloth and method for forming the same - Google Patents
Multilayer cloth and method for forming the same Download PDFInfo
- Publication number
- CN104339811B CN104339811B CN201310425118.4A CN201310425118A CN104339811B CN 104339811 B CN104339811 B CN 104339811B CN 201310425118 A CN201310425118 A CN 201310425118A CN 104339811 B CN104339811 B CN 104339811B
- Authority
- CN
- China
- Prior art keywords
- polyethylene
- film
- cloth
- shape
- tetrafluoroethylene
- 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.)
- Expired - Fee Related
Links
- 239000004744 fabric Substances 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims description 10
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 59
- 239000004698 Polyethylene Substances 0.000 claims abstract description 57
- 229920000573 polyethylene Polymers 0.000 claims abstract description 57
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 14
- 230000001788 irregular Effects 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000000178 monomer Substances 0.000 claims description 10
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 10
- 229920002554 vinyl polymer Polymers 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 6
- 239000002759 woven fabric Substances 0.000 claims description 6
- 238000007731 hot pressing Methods 0.000 claims description 5
- 239000003350 kerosene Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract description 29
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract description 29
- 239000000463 material Substances 0.000 abstract description 4
- 239000003292 glue Substances 0.000 description 6
- 239000011954 Ziegler–Natta catalyst Substances 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- 235000015110 jellies Nutrition 0.000 description 4
- 239000008274 jelly Substances 0.000 description 4
- 238000004078 waterproofing Methods 0.000 description 4
- 239000007790 solid phase Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 229910003074 TiCl4 Inorganic materials 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000001458 anti-acid effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical group Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical group CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/04—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the partial melting of at least one layer
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- 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
- B32B7/10—Interconnection of layers at least one layer having inter-reactive properties
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/73—Hydrophobic
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides a multilayer cloth, comprising: a breathable, waterproof film comprising: film-like polytetrafluoroethylene; and a plurality of chain-shaped polyethylenes, wherein the main chain of the chain-shaped polyethylene is embedded in the film-shaped polytetrafluoroethylene, and the tail end of the chain-shaped polyethylene is exposed out of the surface of the film-shaped polytetrafluoroethylene and is not aggregated into an integrated block, and a cloth material, wherein the cloth material is bonded with the breathable waterproof film by the tail end of the chain-shaped polyethylene. The polyethylene and PTFE in the breathable waterproof film can coexist for a long time.
Description
Technical field
The present invention relates to the multilayer cloth containing air permeable waterproof film, also in particular to its forming method.
Background technology
Tetrafluoroethylene (PTFE) is the synthetic macromolecular material that fluorine replaces all hydrogen atoms in polyethylene (PE). This kind of material has antiacid, alkali resistant and the feature of anti-various organic solvent, and is almost insoluble to all solvents. Meanwhile, PTFE has high temperature resistant feature, and its frictional coefficient is extremely low, so lubrication can be made, also for not being stained with the desirable coating of pot and water pipe internal layer. In cloth application, tetrafluoroethylene has water-proof breathable properties. Generally speaking, to allow PTFE film be attached on cloth, the mode such as a glue or face glue usually need to be adopted to stick together PTFE film and cloth. If the density of some glue is too low, PTFE film is easily allowed to come off on cloth. If the density of some glue too high (or the face of employing glue), then can affect the Gas permeability of PTFE film. In addition, after formation jelly is in PTFE film, all need to process to avoid jelly hardening within the short period of time and lose adhesive properties. In other words, PTFE layer and jelly are separately deposit before processing, are just combined in together man-hour adding. Thus, even if adopting identical PTFE film and jelly, it is also possible to because of the difference of machined parameters, and cannot guarantee that the PTFE film/glue/cloth being processed to form has consistent quality every time.
In sum, need new mode at present badly and bind PTFE film and cloth.
Summary of the invention
It is an object of the invention to provide a kind of new multilayer cloth and forming method thereof.
One embodiment of the invention provides the forming method of a kind of multilayer cloth, comprising: mixing polytetrafluorethylepowder powder, vinyl monomer, kerosene and Qi Gele. and Na Ta (Ziegler-Natta) catalyzer forms sticky mixture; To form film after three road roller pressing mixtures; The surface of heating film, vinyl monomer polymerization reaction take place under the effect of Ziegler-Natta catalyst is made to form the polyethylene of multiple chain shape, and the main chain of the polyethylene of chain shape and tetrafluoroethylene set mutually, wherein the end of the polyethylene of chain shape protrudes from the surface of film and is gathered into block; Apply the surface of irregular local light source energy to film, with the end of the cracked above-mentioned polyethylene being gathered into block; Heat cracked after polyethylene end so that it is melting plastic after heat is pressure bonded to cloth.
Another embodiment of the present invention provides a kind of multilayer cloth, comprising: air permeable waterproof film, comprising: the tetrafluoroethylene of film shape; And the polyethylene of multiple chain shape, wherein the main chain of the polyethylene of chain shape is embedded in the tetrafluoroethylene of film shape, and the end of the polyethylene of chain shape exposes the surface of tetrafluoroethylene of film shape and is not gathered into block, and cloth, wherein bind with the end of the polyethylene of chain shape between cloth and air permeable waterproof film.
The useful effect of the present invention is: polyethylene and PTFE in above-mentioned air permeable waterproof film can coexist for a long time.
Accompanying drawing explanation
Fig. 1, Fig. 2, Fig. 4 and Fig. 5 are in one embodiment of the invention, form the operation sectional view of air permeable waterproof film.
Fig. 3 is the vertical view of corresponding diagram 2.
Fig. 6 is the vertical view of corresponding diagram 5.
Fig. 7 to Fig. 9 is in one embodiment of the invention, forms the operation sectional view of air permeable waterproof film.
Figure 10 to Figure 11 is in one embodiment of the invention, forms the sectional view of multilayer cloth.
Embodiment
As shown in Figure 1, PTFE (tetrafluoroethylene) powder, vinyl monomer, kerosene and Ziegler-Natta catalyst are formed sticky mixture after mixing by one embodiment of the invention, then via three road rollers, mixture are pressed into film 10. In an embodiment of the present invention, the Primary Catalysts of Ziegler-Natta catalyst is TiCl4, secondary catalyzer is triethyl aluminum.
Then as shown in Figure 2, the upper surface of heating film 10, makes in film 10 kerosene of residual move towards the upper surface of film 10, related vinyl monomer is moved towards the upper surface of film. In heat-processed, the vinyl monomer of blending in PTFE powder will carry out home position polymerization reaction under the effect of Ziegler-Natta catalyst, and the polyethylene 11 forming chain shape is in the PTFE13 of film shape. Owing to kerosene drives vinyl monomer to move towards film upper surface, and cause the end of the polyethylene 11 of chain shape to produce solid phase with the PTFE13 of film shape and it is separated. The end of the polyethylene 11 of chain shape will expose the upper surface of the PTFE13 of film shape and be gathered into block 11A, and the main chain 11B of the polyethylene 11 of chain shape will embed in the PTFE13 of film shape. Fig. 3 is the vertical view of Fig. 2 structure. As shown in Figure 3, on the PTFE13 upper surface of film shape, it is irregular alignment that the polyethylene end of chain shape is gathered into block 11A. Above-mentioned heating film 10 makes the temperature that the end of polyethylene 11 is separated with the PTFE13 solid phase of film shape, about between 125 DEG C to 140 DEG C. If the temperature of heating is too low, then the end of polyethylene and PTFE cannot be made to produce to be separated. If the temperature of heating is too high, then to be gathered into the degree of block 11A excessive for the polyethylene end of chain shape.
As shown in Figure 4, then the local light source energy 21 applying irregular (not timing of such as not fixing a point) is on the upper surface of the PTFE13 of film shape. Now the polyethylene end of the chain shape on the upper surface of the PTFE13 of film shape is gathered into block 11A, by cracked and form the end 11C of polyethylene by irregular local light source energy 21, as shown in Figure 5. If it is noted that apply energy of light source on all upper surfaces of the PTFE13 of film shape, then may the end 11C of polyethylene 11 of all chain shapes of cracking. The polyethylene making chain shape cannot be exposed the upper surface of the PTFE13 of film shape by this. On the other hand, if not applying irregular local light source energy 21 on the upper surface of the PTFE13 of film shape, the polyethylene end of chain shape is gathered into block 11A will make the PTFE13 of film shape lose ventilating performance.
Fig. 6 is the vertical view of Fig. 5 structure. As shown in Figure 6, on the upper surface of the PTFE13 of film shape, the end 11C of the polyethylene of chain shape is irregular alignment. Polyethylene and PTFE in waterproof breathable membrane 100 can coexist for a long time, can not produce the problem of layering (delaminate) after the short period of time deposits as the bilayer structure of polyethylene/PTFE.
Although in the above-described embodiments, only there is the upper surface of the PTFE13 in film shape in the end 11C of the polyethylene of chain shape, but the lower surface of the PTFE13 in film shape also can occurs. As shown in Figure 7, the upper and lower surface of heating film 10, makes vinyl monomer move towards the upper and lower surface of film 10. Ziegler-Natta catalyst in film 10 and vinyl monomer will carry out home position polymerization reaction simultaneously, form the polyethylene 11 of chain shape. The end of the polyethylene 11 of chain shape is separated with the PTFE13 solid phase of film shape. The end of the polyethylene 11 of chain shape will expose the surface of the PTFE13 of film shape and be gathered into block 11A, and the main chain 11B of the polyethylene 11 of chain shape will embed in the PTFE13 of film shape.
As shown in Figure 8, then the local light source energy 21 applying irregular (not timing of such as not fixing a point) is on the upper surface and lower surface of the PTFE13 of film shape. Now the upper surface of the tetrafluoroethylene 13 of film shape and the polyethylene end of lower surface cochain shape are gathered into block 11A, by cracked and form polyethylene end 11C by irregular local energy 21, as shown in Figure 9, form surface hot melt adhesive characteristic.
As shown in Figure 10, then apply ventilative its upper surface of waterproofing membrane 100 of hot blast 15 to Fig. 5, make polyethylene end 11C melting plastic. In one embodiment, the temperature of hot blast 15 is between 480 DEG C to 590 DEG C, and the time applying hot blast 15 is between 1��2 second. If the temperature of hot blast 15 is too high and/or applies the overlong time of hot blast 15, then fitting cloth feel can be hardening. If the temperature of hot blast 15 is too low and/or the time of applying hot blast 15 is too short, then cannot make polyethylene end 11C melting plastic. In other embodiments of the present invention, other modes can be adopted to replace hot blast 15, the type of heating such as such as microwave. Then with dual cylinder 17, formation layer cloth is closed in ventilative waterproofing membrane 100 hot pressing after cloth 19 and applying hot blast 15. In an embodiment of the present invention, the temperature of cylinder 17 is between 110 DEG C to 180 DEG C, and the spacing between cylinder 17 is between 0.02mm to 0.04mm, and cylinder 17 rotating speed is between 6m/s to 8m/s. If the temperature of cylinder 17 is too high, spacing is excessively little and/or rotating speed is excessively slow, then may produce the problems such as feel is really up to the mark. If the temperature of cylinder 17 is too low, spacing is excessive and/or rotating speed is too fast, then may produce the problem pasted loosely. In an embodiment of the present invention, cloth 19 comprises looped fabric, short fine Woven Fabrics or long fine flat fabric. For example, the layer cloth after hot pressing conjunction can be short fine Woven Fabrics/PTFE film, looped fabric/PTFE film or long fine flat fabric/PTFE film, and binds with the polyethylene end 11C of melting plastic between cloth 19 and PTFE film.
As shown in figure 11, apply ventilative its upper surface of waterproofing membrane 100 and the lower surface of hot blast 15 to Fig. 9, make polyethylene end 11C melting plastic. In one embodiment, the temperature of hot blast 15 is between 480 DEG C to 590 DEG C, and the time applying hot blast 15 is between 1��2 second. If the temperature of hot blast 15 is too high and/or applies the overlong time of hot blast 15, then fitting cloth feel can be hardening. If the temperature of hot blast 15 is too low and/or the time of applying hot blast 15 is too short, then cannot make polyethylene end 11C melting plastic. In other embodiments of the present invention, other modes can be adopted to replace hot blast 15, the type of heating such as such as microwave. Then with dual cylinder 17, the ventilative waterproofing membrane 100 after cloth 19, applying hot blast 15 and cloth 19 ' hot pressing are synthesized three layers of cloth. In an embodiment of the present invention, the temperature of cylinder 17 is between 110 DEG C to 180 DEG C, and the spacing between cylinder 17 is between 0.02mm to 0.04mm, and cylinder 17 rotating speed is between 6m/s to 8m/s. If the temperature of cylinder 17 is too high, spacing is excessively little and/or rotating speed is excessively slow, then may produce the problems such as feel is really up to the mark. If the temperature of cylinder 17 is too low, spacing is excessive and/or rotating speed is too fast, then may produce the problem pasted loosely. In an embodiment of the present invention, cloth 19 and 19 ' comprises looped fabric, short fine Woven Fabrics or long fine flat fabric separately. For example, three layers of cloth after hot pressing conjunction can be short fine Woven Fabrics/PTFE film/looped fabric, looped fabric/PTFE film/looped fabric, long fine flat fabric/PTFE film/looped fabric or other three layers of cloth, and binds with the polyethylene end 11C of melting plastic between cloth 19 (and 19 ') and PTFE film.
Although the present invention discloses as above with better embodiment; but itself and be not used to limit the present invention, any be familiar with this those skilled in the art, without departing from the spirit and scope of the present invention; when doing arbitrary variation and modify, therefore protection scope of the present invention is when being as the criterion depending on those as defined in claim.
Claims (6)
1. the forming method of a multilayer cloth, it is characterised in that, comprising:
Mixing polytetrafluorethylepowder powder, vinyl monomer, kerosene and Qi Gele. Natta catalyst forms a sticky mixture;
To form a film after three these mixtures of road roller pressing;
The surface to 125 DEG C heating this film is to 140 DEG C, make vinyl monomer at Qi Gele. under the effect of Natta catalyst, polymerization reaction take place forms the polyethylene of multiple chain shape, and the tetrafluoroethylene of the main chain of the polyethylene of described chain shape and film shape sets mutually, the end of the polyethylene of wherein said chain shape protrudes from this surface of this film and is gathered into block;
Apply irregular local light source energy this surface to this film, with the end of the cracked described polyethylene being gathered into block;
With hot blast heating cracked after polyethylene end to 480 DEG C to 590 DEG C between 1 to 2 second, with dual cylinder, its hot pressing is bonded to a cloth after making its melting plastic, the temperature of its intermediate roll is between 110 DEG C to 180 DEG C, spacing between cylinder is between 0.02mm to 0.04mm, and drum rotational speed is between 6m/s to 8m/s.
2. the forming method of multilayer cloth according to claim 1, it is characterised in that, described cloth comprises looped fabric, short fine Woven Fabrics or long fine flat fabric.
3. the forming method of multilayer cloth according to claim 1, it is characterised in that, be positioned at this film shape tetrafluoroethylene surface on cracked after polyethylene end be irregular alignment.
4. a multilayer cloth, it is characterised in that, comprising:
One air permeable waterproof film, comprising:
The tetrafluoroethylene of one film shape; And
The polyethylene of multiple chain shape,
The main chain of the polyethylene of wherein said chain shape is embedded in the tetrafluoroethylene of this film shape, and the end of the polyethylene of described chain shape exposes the surface of tetrafluoroethylene of this film shape and is not gathered into block, and
One cloth, wherein binds with the end of the polyethylene of described chain shape between this cloth and this air permeable waterproof film,
Wherein this multilayer cloth is formed by method according to claim 1.
5. multilayer cloth according to claim 4, it is characterised in that, described cloth comprises looped fabric, short fine Woven Fabrics or long fine flat fabric.
6. multilayer cloth according to claim 4, it is characterised in that, be positioned at described film shape tetrafluoroethylene surface on the polyethylene end of described chain shape be irregular alignment.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102128218A TWI483975B (en) | 2013-08-07 | 2013-08-07 | Multi-layered cloth and method of manufacturing the same |
| TW102128218 | 2013-08-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104339811A CN104339811A (en) | 2015-02-11 |
| CN104339811B true CN104339811B (en) | 2016-06-01 |
Family
ID=52496647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310425118.4A Expired - Fee Related CN104339811B (en) | 2013-08-07 | 2013-09-17 | Multilayer cloth and method for forming the same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104339811B (en) |
| TW (1) | TWI483975B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2110571U (en) * | 1991-08-15 | 1992-07-22 | 陈国龙 | High-strength polytetrafluorethylene welding composite cloth |
| CN201541785U (en) * | 2009-10-30 | 2010-08-11 | 江苏三川染整有限公司 | Multifunctional fabric |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08218567A (en) * | 1995-02-17 | 1996-08-27 | Japan Gore Tex Inc | Moisture-permeable composite sheet for concrete waterproofing |
| US7837756B2 (en) * | 2007-04-05 | 2010-11-23 | Aaf-Mcquay Inc. | Filter with ePTFE and method of forming |
| CN101481081B (en) * | 2009-01-21 | 2011-07-06 | 重庆大学 | Preparation of composite structure super-hydrophobic film |
| CN103009687A (en) * | 2012-11-27 | 2013-04-03 | 常州市泛亚微透科技有限公司 | Expanded polytetrafluoroethylene-based thermal insulation moisture permeable garment material and preparation method thereof |
-
2013
- 2013-08-07 TW TW102128218A patent/TWI483975B/en not_active IP Right Cessation
- 2013-09-17 CN CN201310425118.4A patent/CN104339811B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2110571U (en) * | 1991-08-15 | 1992-07-22 | 陈国龙 | High-strength polytetrafluorethylene welding composite cloth |
| CN201541785U (en) * | 2009-10-30 | 2010-08-11 | 江苏三川染整有限公司 | Multifunctional fabric |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI483975B (en) | 2015-05-11 |
| TW201506067A (en) | 2015-02-16 |
| CN104339811A (en) | 2015-02-11 |
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Granted publication date: 20160601 Termination date: 20200917 |