CN104339811A - Multilayer cloth and method for forming the same - Google Patents
Multilayer cloth and method for forming the same Download PDFInfo
- Publication number
- CN104339811A CN104339811A CN201310425118.4A CN201310425118A CN104339811A CN 104339811 A CN104339811 A CN 104339811A CN 201310425118 A CN201310425118 A CN 201310425118A CN 104339811 A CN104339811 A CN 104339811A
- Authority
- CN
- China
- Prior art keywords
- chain
- film
- polyethylene
- ptfe
- membranaceous
- 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.)
- Granted
Links
- 239000004744 fabric Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims description 11
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 57
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 57
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 57
- 239000004698 Polyethylene Substances 0.000 claims abstract description 42
- 229920000573 polyethylene Polymers 0.000 claims abstract description 42
- 230000001788 irregular Effects 0.000 claims description 11
- 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
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 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
- 239000000835 fiber Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000002759 woven fabric Substances 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 5
- 239000003350 kerosene Substances 0.000 claims description 5
- 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
- 230000000694 effects Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 description 9
- 239000003292 glue Substances 0.000 description 6
- 239000011954 Ziegler–Natta catalyst Substances 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- 238000007731 hot pressing Methods 0.000 description 4
- 235000015110 jellies Nutrition 0.000 description 4
- 239000008274 jelly Substances 0.000 description 4
- 238000004078 waterproofing Methods 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000007790 solid phase Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 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
- 239000003513 alkali Substances 0.000 description 1
- 230000001458 anti-acid effect Effects 0.000 description 1
- 230000009286 beneficial 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
- 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
- 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
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 laminates containing air permeable waterproof film, also in particular to its formation method.
Background technology
Polytetrafluoroethylene (PTFE) (PTFE) is the Prof. Du Yucang macromolecular material that fluorine replaces all hydrogen atoms in polyethylene (PE).This material has antiacid, alkali resistant, feature with anti-various organic solvent, and is dissolved in all solvents hardly.Meanwhile, PTFE has resistant to elevated temperatures feature, and its coefficient of friction is extremely low, so can make lubrication, is also the desirable coating of non-stick cooker and water pipe internal layer.In cloth application, polytetrafluoroethylene (PTFE) 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 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 air permeability of PTFE film.In addition, after formation jelly is in PTFE film, all need to process at short notice to avoid jelly harden and lose adhesive properties.In other words, PTFE layer and jelly are separate to deposit before processing, just combine man-hour adding.Thus, even if adopt identical PTFE film and jelly, also because of the difference of machined parameters, and may cannot guarantee that the PTFE film/glue/cloth be at every turn processed to form has consistent quality.
In sum, need new mode at present badly and bind PTFE film and cloth.
Summary of the invention
The object of the present invention is to provide a kind of new laminates and forming method thereof.
One embodiment of the invention provides a kind of formation method of laminates, comprising: mixing polytetrafluorethylepowder powder, vinyl monomer, kerosene and Ziegler. and Natta (Ziegler-Natta) catalyst 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, and the poly main chain of chain and polytetrafluoroethylene (PTFE) are set mutually, wherein the poly end of chain protrudes from the surface of film and is gathered into block; Apply the surface of irregular local light source energy to film, with the cracked above-mentioned poly end being gathered into block; Heat cracked after polyethylene end, make its melting plastic after heat be pressure bonded to cloth.
Another embodiment of the present invention provides a kind of laminates, comprising: air permeable waterproof film, comprising: membranaceous polytetrafluoroethylene (PTFE); And the polyethylene of multiple chain, wherein the poly main chain of chain is embedded in membranaceous polytetrafluoroethylene (PTFE), and the poly end of chain exposes the surface of membranaceous polytetrafluoroethylene (PTFE) and is not gathered into block, and cloth, the poly end wherein with chain between cloth and air permeable waterproof film binds.
Beneficial effect of the present invention is: the polyethylene in above-mentioned air permeable waterproof film and PTFE 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 top view of corresponding diagram 2.
Fig. 6 is the top 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 laminates.
Detailed description of the invention
As shown in Figure 1, one embodiment of the invention forms sticky mixture by after the mixing of PTFE (polytetrafluoroethylene (PTFE)) powder, vinyl monomer, kerosene and Ziegler-Natta catalyst, then via three road rollers, mixture is pressed into film 10.In an embodiment of the present invention, the major catalyst of Ziegler-Natta catalyst is TiCl
4, secondary catalyst is triethyl aluminum.
Then as shown in Figure 2, the upper surface of heating film 10, kerosene residual in film 10 is moved towards the upper surface of film 10, and the related vinyl monomer that makes moves towards the upper surface of film.In heating process, the vinyl monomer of blending in PTFE powder carries out home position polymerization reaction by under the effect of Ziegler-Natta catalyst, and the catenulate polyethylene of shape 11 is in membranaceous PTFE13.Because kerosene drives vinyl monomer to move towards film upper surface, and cause the end of the polyethylene 11 of chain and membranaceous PTFE13 to produce solid phase being separated.The end of the polyethylene 11 of chain will expose the upper surface of membranaceous PTFE13 and be gathered into block 11A, and the main chain 11B of the polyethylene 11 of chain will embed in membranaceous PTFE13.Fig. 3 is the top view of Fig. 2 structure.As shown in Figure 3, on membranaceous PTFE13 upper surface, it is irregular alignment that the polyethylene end of chain is gathered into block 11A.The temperature that above-mentioned heating film 10 makes the end of polyethylene 11 be separated with membranaceous PTFE13 solid phase, about between 125 DEG C to 140 DEG C.If the temperature of heating is too low, then poly end and PTFE cannot be made to produce and to be separated.If the temperature of heating is too high, to be then gathered into the degree of block 11A excessive for the polyethylene end of chain.
Then as shown in Figure 4, the local light source energy 21 of irregular (such as unfixed point not timing) is applied on the upper surface of membranaceous PTFE13.The polyethylene end of the chain on the upper surface of now membranaceous PTFE13 is gathered into block 11A, will be cracked and form poly end 11C by irregular local light source energy 21, as shown in Figure 5.Energy of light source is applied on all upper surfaces of membranaceous PTFE13, then the end 11C of the polyethylene 11 of all chains of possibility cracking if it should be noted that.This upper surface that will the polyethylene of chain made cannot to expose membranaceous PTFE13.On the other hand, if do not apply irregular local light source energy 21 on the upper surface of membranaceous PTFE13, the polyethylene end of chain is gathered into block 11A will make membranaceous PTFE13 lose ventilating performance.
Fig. 6 is the top view of Fig. 5 structure.As shown in Figure 6, on the upper surface of membranaceous PTFE13, the poly end 11C of chain is irregular alignment.Polyethylene in waterproof breathable membrane 100 and PTFE can coexist for a long time, can not produce the problem of layering (delaminate) as the double-decker of polyethylene/PTFE after the short time deposits.
Although in the above-described embodiments, the poly end 11C of chain only comes across the upper surface of membranaceous PTFE13, also can come across the lower surface of membranaceous PTFE13.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 simultaneously in film 10 and vinyl monomer will carry out home position polymerization reaction, the catenulate polyethylene 11 of shape.The end of the polyethylene 11 of chain is separated with membranaceous PTFE13 solid phase.The end of the polyethylene 11 of chain will expose the surface of membranaceous PTFE13 and be gathered into block 11A, and the main chain 11B of the polyethylene 11 of chain will embed in membranaceous PTFE13.
Then as shown in Figure 8, the local light source energy 21 of irregular (such as unfixed point not timing) is applied on the upper surface and lower surface of membranaceous PTFE13.On the upper surface of now membranaceous polytetrafluoroethylene (PTFE) 13 and lower surface, the polyethylene end of chain is gathered into block 11A, will be cracked and form polyethylene end 11C by irregular local energy 21, as shown in Figure 9, forms surperficial hot melt adhesive characteristic.
Then as shown in Figure 10, 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 the overlong time of applying hot blast 15, then adhesive fabric 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 mode of heatings such as such as microwave.Then with dual cylinder 17, cloth 19 and ventilative waterproofing membrane 100 hot pressing after applying hot blast 15 are formed layer 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 too small 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 subsides problem loosely.In an embodiment of the present invention, cloth 19 comprises looped fabric, short fiber woven fabric or long fine flat fabric.For example, the layer cloth after hot pressing can be short fiber woven fabric/PTFE film, looped fabric/PTFE film or long fine flat fabric/PTFE film, and the polyethylene end 11C with melting plastic between cloth 19 and PTFE film binds.
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 the overlong time of applying hot blast 15, then adhesive fabric 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 mode of heatings such as such as microwave.Then with dual cylinder 17 by cloth 19, apply the ventilative waterproofing membrane 100 after hot blast 15, synthesize three layers of cloth with cloth 19 ' hot pressing.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 too small 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 subsides problem loosely.In an embodiment of the present invention, cloth 19 and 19 ' comprises looped fabric, short fiber woven fabric or long fine flat fabric separately.For example, three layers of cloth after hot pressing can be short fiber woven fabric/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 the polyethylene end 11C with melting plastic between cloth 19 (and 19 ') and PTFE film binds.
Although the present invention discloses as above with preferred embodiment; but itself and be not used to limit the present invention, be anyly 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 (8)
1. a formation method for laminates, is characterized in that, comprising:
Mixing polytetrafluorethylepowder powder, vinyl monomer, kerosene and Ziegler. Natta catalyst forms a sticky mixture;
To form a film after three these mixtures of road roller pressing;
Heat a surface of this film, make vinyl monomer at Ziegler. under the effect of Natta catalyst, polymerization reaction take place forms the polyethylene of multiple chain, and the poly main chain of described chain and membranaceous polytetrafluoroethylene (PTFE) are set mutually, the poly end of wherein said chain 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 cracked described poly end being gathered into block;
Heat cracked after polyethylene end, make its melting plastic after heat be pressure bonded to a cloth.
2. the formation method of laminates according to claim 1, is characterized in that, heats the temperature on this surface of this film between 125 DEG C to 140 DEG C.
3. the formation method of laminates according to claim 1, is characterized in that, heat cracked after the temperature of polyethylene end between 480 DEG C to 590 DEG C.
4. the formation method of laminates according to claim 1, is characterized in that, described cloth comprises looped fabric, short fiber woven fabric or long fine flat fabric.
5. the formation method of laminates according to claim 1, is characterized in that, the polyethylene end after to be positioned on the surface of this membranaceous polytetrafluoroethylene (PTFE) cracked is irregular alignment.
6. a laminates, is characterized in that, comprising:
One air permeable waterproof film, comprising:
One membranaceous polytetrafluoroethylene (PTFE); And
The polyethylene of multiple chain,
The poly main chain of wherein said chain is embedded in this membranaceous polytetrafluoroethylene (PTFE), and the poly end of described chain exposes the surface of this membranaceous polytetrafluoroethylene (PTFE) and is not gathered into block, and
One cloth, the poly end wherein with described chain between this cloth and this air permeable waterproof film binds.
7. laminates according to claim 6, is characterized in that, described cloth comprises looped fabric, short fiber woven fabric or long fine flat fabric.
8. laminates according to claim 6, is characterized in that, the polyethylene end being positioned at the described chain on the surface of described membranaceous polytetrafluoroethylene (PTFE) is irregular alignment.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102128218 | 2013-08-07 | ||
| TW102128218A TWI483975B (en) | 2013-08-07 | 2013-08-07 | Multi-layered cloth and method of manufacturing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104339811A true CN104339811A (en) | 2015-02-11 |
| CN104339811B 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 (4)
| 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 |
| JPH08218567A (en) * | 1995-02-17 | 1996-08-27 | Japan Gore Tex Inc | Moisture-permeable composite sheet for concrete waterproofing |
| US20080245041A1 (en) * | 2007-04-05 | 2008-10-09 | Kyung-Ju Choi | Filter with eptfe and method of forming |
| CN201541785U (en) * | 2009-10-30 | 2010-08-11 | 江苏三川染整有限公司 | Multifunctional fabric |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 (4)
| 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 |
| JPH08218567A (en) * | 1995-02-17 | 1996-08-27 | Japan Gore Tex Inc | Moisture-permeable composite sheet for concrete waterproofing |
| US20080245041A1 (en) * | 2007-04-05 | 2008-10-09 | Kyung-Ju Choi | Filter with eptfe and method of forming |
| 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 |
|---|---|
| TW201506067A (en) | 2015-02-16 |
| TWI483975B (en) | 2015-05-11 |
| CN104339811B (en) | 2016-06-01 |
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Granted publication date: 20160601 Termination date: 20200917 |