CN206367253U - Envelop materialses composite bed - Google Patents
Envelop materialses composite bed Download PDFInfo
- Publication number
- CN206367253U CN206367253U CN201621432543.1U CN201621432543U CN206367253U CN 206367253 U CN206367253 U CN 206367253U CN 201621432543 U CN201621432543 U CN 201621432543U CN 206367253 U CN206367253 U CN 206367253U
- Authority
- CN
- China
- Prior art keywords
- layer
- composite bed
- envelop materialses
- tpu
- foaming
- 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
Landscapes
- Laminated Bodies (AREA)
Abstract
The utility model provides a kind of envelop materialses composite bed.The envelop materialses composite bed includes bearing layer, barrier layer and the weathering layer that order is stacked, and envelop materialses composite bed also includes foaming layer, and foaming layer is arranged between bearing layer and barrier layer and/or between barrier layer and weathering layer.Because the envelop materialses composite bed includes the bearing layer, barrier layer, foaming layer and the weathering layer that are stacked, so as to make envelop materialses composite bed that there is weatherability and barrier, can also be by the heat-proof quality of foaming layer, make envelop materialses composite bed that there is higher thermal insulation, so as to reduce influenceing for the External Heat Flux that product internal temperature is subject to.
Description
Technical field
The utility model is related to field of material technology, in particular to a kind of envelop materialses composite bed.
Background technology
Traditional envelop materialses composite bed is formed by MULTILAYER COMPOSITE, multiple generally on traditional dirigible composite fabric material
Barrier layer and weathering layer are closed, to play a part of trapping and UV resistant.
Above-mentioned envelop materialses composite bed is after the outdoor prolonged stay in low latitude, and product internal temperature is highly susceptible to extraneous heat
The influence of radiation, causes internal temperature to raise, and pressure difference becomes big, increases accident risk.
Utility model content
Main purpose of the present utility model is to provide a kind of envelop materialses composite bed, to solve utricule material in the prior art
Material composite bed easily is influenceed to cause the problem of internal temperature is raised by External Heat Flux.
To achieve these goals, according to one side of the present utility model, there is provided a kind of envelop materialses composite bed, bag
Bearing layer, barrier layer and weathering layer that order is stacked are included, envelop materialses composite bed also includes foaming layer, and foaming layer is set
Between bearing layer and barrier layer and/or between barrier layer and weathering layer.
Further, above-mentioned foaming layer is TPU foamed material layers.
Further, the thickness of above-mentioned foaming layer is 50~100 μm.
Further, above-mentioned barrier layer is TPU barrier layers.
Further, the thickness of above-mentioned barrier layer is 15~100 μm.
Further, above-mentioned weathering layer is weatherability TPU materials.
Further, the thickness of above-mentioned weathering layer is 20~150 μm.
Further, above-mentioned bearing layer is scrim layer.
Further, above-mentioned envelop materialses composite bed also includes being arranged in bearing layer, barrier layer, foaming layer and weathering layer
Adhesive layer between adjacent two layers.
Further, above-mentioned adhesive layer is TPU adhesive layers.
Using the technical solution of the utility model there is provided a kind of envelop materialses composite bed, because the envelop materialses are compound
Layer includes bearing layer, barrier layer, foaming layer and the weathering layer being stacked, so as to can not only have envelop materialses composite bed
Weatherability and barrier, moreover it is possible to by the heat-proof quality of foaming layer, make envelop materialses composite bed have higher thermal insulation, so as to drop
Low product internal temperature by External Heat Flux influenceed.
In addition to objects, features and advantages described above, the utility model also has other purposes, feature and excellent
Point.Below with reference to figure, the utility model is described in further detail.
Brief description of the drawings
A part of Figure of description of the present utility model is constituted to be used for providing further understanding to of the present utility model, this
The schematic description and description of utility model is used to explain the utility model, does not constitute to improper limit of the present utility model
It is fixed.In the accompanying drawings：
Fig. 1 shows a kind of cross-section structure signal for envelop materialses composite bed that the utility model embodiment is provided
Figure；
Fig. 2 shows the cross-section structure signal for another envelop materialses composite bed that the utility model embodiment is provided
Figure.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
10th, bearing layer；20th, barrier layer；30th, weathering layer；40th, foaming layer；50th, adhesive layer.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In order that those skilled in the art more fully understand the utility model scheme, it is real below in conjunction with the utility model
The accompanying drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model part, rather than whole embodiments.Based on the reality in the utility model
Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made all should
When the scope for belonging to the utility model protection.
It should be noted that term " first " in specification and claims of the present utility model and above-mentioned accompanying drawing,
" second " etc. is for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so
The data used can be exchanged in the appropriate case, so as to embodiment of the present utility model described herein.In addition, term " bag
Include " and " having " and their any deformation, it is intended that covering is non-exclusive to be included, for example, containing series of steps
Or process, method, system, product or the equipment of unit are not necessarily limited to those steps or the unit clearly listed, but it can wrap
Include not listing clearly or for the intrinsic other steps of these processes, method, product or equipment or unit.
As described in background technology, in the prior art envelop materialses composite bed the outdoor prolonged stay in low latitude it
Afterwards, product internal temperature is highly susceptible to the influence of External Heat Flux, causes internal temperature to raise, and pressure difference becomes big, increases accident
Risk.The utility model is studied regarding to the issue above, it is proposed that a kind of envelop materialses composite bed, as illustrated in fig. 1 and 2, bag
Bearing layer 10, barrier layer 20 and weathering layer 30 that order is stacked are included, envelop materialses composite bed also includes foaming layer 40, foaming
Layer 40 is arranged between bearing layer 10 and barrier layer 20 and/or between barrier layer 20 and weathering layer 30.
In envelop materialses composite bed of the present utility model due to including the bearing layer being stacked, barrier layer, foaming layer and
Weathering layer, so as to can not only make envelop materialses composite bed that there is weatherability and barrier, moreover it is possible to pass through the thermal insulation of foaming layer
Can, make envelop materialses composite bed that there is higher thermal insulation, so as to reduce the shadow for the External Heat Flux that product internal temperature is subject to
Ring.
In the above-mentioned envelop materialses composite bed of the utility model, foaming layer 40 can be arranged at bearing layer 10 and barrier layer
Between 20 and/or between barrier layer 20 and weathering layer 30, above-mentioned foaming layer 40 uses the material of foaming layer conventional in the prior art
Prepared by material and preparation method, such as can be made up of resin, its preparation technology can include：First, using including resin
Prefoam coating is prepared with the raw material of foaming agent, and prefoam coatings are formed into prefoam layer in base fabric, then to pre-
Foaming layer carries out foaming processing, then base fabric is gone divided by obtained required foaming layer 40.In above-mentioned raw materials the content of each component and
Expansion ratio can be chosen according to the actual requirements, and in order to improve the heat-proof quality of foaming layer 40, above-mentioned raw materials can also be wrapped
Include plasticizer and foaming stabiliser (i.e. bladder regulator) etc.；The expansion ratio of above-mentioned foaming processing is preferably 1.5~3.5 times,
More preferably 1.5~2.5 times.
In order that above-mentioned foaming layer 40 can also have higher wear-resisting and rub resistance while with heat-proof quality,
With ensure product in transportation it is without damage, it is preferable that above-mentioned foaming layer 40 be TPU foaming layers；It is further preferable that above-mentioned
TPU foaming layers are the aromatic series TPU film of foaming.Also, the thickness of TPU foaming layers is preferably 50~100 μm.TPU is foamed
The thickness of layer is limited to above-mentioned preferred parameter area can be while the heat-proof quality of foaming layer 40 and elasticity be ensured, reduction
The thickness of envelop materialses composite beds, so that the excessive pliability to envelop materialses composite bed of the thickness for also reducing foaming layer 40
Influence.
In the above-mentioned envelop materialses composite bed of the utility model, in order that barrier layer 20 is while with barrier property
There can also be higher wear-resisting and rub resistance, it is preferable that barrier layer 20 is TPU barrier layers；It is further preferable that above-mentioned TPU
Barrier layer is aromatic polyester TPU layer, and the aromatic polyester TPU layer can be obtained from commercially available prod.Also, TPU barrier layers
Thickness be preferably 15~100 μm.The thickness of TPU barrier layers is limited to above-mentioned preferred parameter area, TPU can ensured
While the barrier property and elasticity of barrier layer, the thickness of envelop materialses composite bed is reduced, so as to also reduce barrier layer 20
Flexible influence of the thickness on envelop materialses composite bed.
Those skilled in the art can be rationally selected the material for forming aromatic polyester TPU layer according to prior art
Take, in a preferred embodiment, aromatic polyester TPU layer is poly-epsilon-caprolactone polyalcohol and/or polycarbonate polyol
Alcohol and toluene di-isocyanate(TDI) (TDI), methyl diphenylene diisocyanate (MDI), 1,5 naphthalene diisocyanates (NDI) and to benzene
The layer of polyurethane that any of diisocyanate (PPDI) or a variety of polymerisations are obtained, above-mentioned polymerisation is prior art
Middle conventional polymerisation, each reaction condition refers to prior art.It is more preferable that above-mentioned material can have barrier layer 20
Barriering effect, but preferred material is not limited to, those skilled in the art can choose other materials in the prior art.
In the above-mentioned envelop materialses composite bed of the utility model, in order that weathering layer 30 is while with weather resistance
There can also be higher wear-resisting and rub resistance, it is preferable that weathering layer 30 is TPU weathering layers；It is further preferable that TPU is weather-proof
Layer is aliphatic polyether TPU layer, aromatic polyester TPU layer or aromatic polyether TPU layer, and the resistance to Huang of aromatic polyester TPU layer
Become grade and be more than or equal to 4, aromatic polyether TPU layer and color inhibition grade be more than or equal to 4, but be not limited to above-mentioned preferred
Species, those skilled in the art can choose other materials in the prior art.Also, the thickness of above-mentioned TPU weathering layers is preferred
For 20~150 μm.The thickness of TPU weathering layers is limited into above-mentioned preferred parameter area to ensure the resistance to of TPU weathering layers
While waiting performance and elasticity, the thickness of envelop materialses composite bed is reduced, so that the thickness for also reducing weathering layer 30 is excessive
Flexible influence on envelop materialses composite bed.
Those skilled in the art can carry out Rational choice according to prior art to the material for forming above-mentioned TPU weathering layers,
Preferably, aliphatic polyether TPU layer is polyoxypropylene polyol and/or polytetrahydrofuran polyol and the isocyanide of hexa-methylene two
The layer of polyurethane that acid esters and/or isoflurane chalcone diisocyanate reaction are obtained, above-mentioned polymerisation is routine in the prior art
Polymerisation, each reaction condition refers to prior art.Above-mentioned material can make TPU weathering layers have more preferable weather-proof effect
Really.
In the above-mentioned envelop materialses composite bed of the utility model, in order to improve the load ability of bearing layer 10, it is preferable that hold
Power layer 10 is scrim layer；It is further preferable that the density of bearing layer 10 is 65~75g/m2；In order that the density of bearing layer 10
Above-mentioned preferred scope is met, bearing layer 10 can be double for kevlar fabric layer, Vectran fiber fabric layers, polyparaphenylene's benzo
Oxazole pbo fiber tissue layer or polyethylene fiber fabrics layer.Also, those skilled in the art can be according to prior art to load
The thickness of layer 10 carries out Rational choice, to ensure the pliability of envelop materialses composite bed.
In the above-mentioned envelop materialses composite bed of the utility model, envelop materialses composite bed can also include being arranged at load
Adhesive layer 50 in layer 10, barrier layer 20, foaming layer 40 and weathering layer 30 between adjacent two layers, as shown in Figure 2.In order that gluing
Layer 50 can also have higher wear-resisting and rub resistance while with higher adhesivity, it is preferable that adhesive layer 50 is TPU
Adhesive layer；It is further preferable that adhesive layer 50 is TPU hot melt adhesive layers or polyurethane adhesive layer.Also, above-mentioned TPU adhesive layers is excellent
It is 3~30 μm to select thickness.The thickness of TPU adhesive layers is limited to above-mentioned preferred parameter area, TPU adhesive layers can ensured
Adhesivity and elasticity while, reduce envelop materialses composite bed thickness so that the thickness for also reducing adhesive layer 50 is too big
Flexible influence on envelop materialses composite bed.
According to another aspect of the present utility model there is provided a kind of utricule, the utricule is by above-mentioned envelop materialses composite bed
It is prepared from.Due to forming bearing layer, barrier layer, foaming layer and resistance to that the envelop materialses composite bed of the utricule includes being stacked
Layer is waited, so as to can not only make envelop materialses composite bed that there is weatherability and barrier, moreover it is possible to by the heat-proof quality of foaming layer,
Make envelop materialses composite bed that there is higher thermal insulation, so as to reduce influenceing for the External Heat Flux that utricule internal temperature is subject to.
According to another further aspect of the present utility model, there is provided a kind of aerostatics, including above-mentioned utricule.Due to the aerostatics bag
Include above-mentioned utricule, and form bearing layer, barrier layer, foaming layer that the envelop materialses composite bed of the utricule includes being stacked and resistance to
Layer is waited, so as to can not only make envelop materialses composite bed that there is weatherability and barrier, moreover it is possible to by the heat-proof quality of foaming layer,
Make envelop materialses composite bed that there is higher thermal insulation, so that External Heat Flux that the temperature for reducing aerostatics is subject to influences.
The envelop materialses composite bed that the application is provided is further illustrated below in conjunction with embodiment.
Embodiment 1
The preparation method for the envelop materialses composite bed that the present embodiment is provided includes：
Vectran fiber precursors (200D) are woven according to twill mode, to form surface density as 60g/m2It is oblique
Scrim layer is used as bearing layer；Common PUR (model Du Pont 260) is coated on bearing layer, to form 40 μm of the first glue
Adhesion coating；PET metallized films (thickness is 20 μm, and aluminum layer thickness is 60nm) are arranged on the first adhesive layer, to form barrier
Layer；Thickness is arranged on barrier layer for 40 μm of foaming layer, formed the raw material of foaming layer include 100 parts of Corvics,
10 parts of plasticizer (dioctyl phthalate), 10 parts of azodicarbonamide foaming agents, 3 parts of liquid barium zinc stabilizer (models
BZ-105P) and 0.5 part of foaming stabiliser (model BF-539A), expansion ratio is 2 times；Common hot melt is coated in foaming layer
Glue, to form 40 μm of the second adhesive layer；Tedlar films (Du Pont PVF, thickness is 25 μm) are arranged on the second adhesive layer,
To form weathering layer.
Embodiment 2
The preparation method for the envelop materialses composite bed that the present embodiment is provided includes：
Aramid fiber is woven according to plain weave mode, bearing layer is used as using the scrim layer that forms 400 denier；
TPU PURs (model BASF 565A) are coated on bearing layer, to form 20 μm of the first TPU adhesive layers；Using hot melt
Poly-epsilon-caprolactone polyalcohol and toluene di-isocyanate(TDI) (TDI) are reacted obtained barrier polyurethane material and are coated with by coating process
In on the first TPU adhesive layers, to form 10 μm of TPU barrier layers；Thickness is arranged at TPU barriers for 40 μm of TPU foaming layers
On layer, forming the raw material of foaming layer includes 100 parts of polyurethane resins, 10 parts of plasticizer (dioctyl phthalate), 10 parts of idols
Nitrogen diformamide foaming agent, 2 parts of cumyl peroxide crosslinking agents, 3 parts of liquid barium zinc stabilizers (model BZ-105P) and
0.5 part of foaming stabiliser (model BF-539A), expansion ratio is 2 times；TPU PUR (model bars are coated in foaming layer
This husband 565A), to form 20 μm of the 2nd TPU adhesive layers；It is using melt coating processes that polyoxypropylene polyol and six is sub-
The weatherable polyurethane material that methyl diisocyanate reaction is obtained is coated on the 2nd TPU adhesive layers, to form 15 μm of TPU
Weathering layer.
Embodiment 3
The difference of the preparation method and embodiment 2 of the envelop materialses composite bed that the present embodiment is provided is：
The thickness of the TPU barrier layers of formation is 15 μm, and the thickness of the TPU foaming layers of formation is 50 μm, and the TPU of formation is weather-proof
The thickness of layer is 150 μm.
Embodiment 4
The difference of the preparation method and embodiment 2 of the envelop materialses composite bed that the present embodiment is provided is：
The thickness of the TPU barrier layers of formation is 100 μm, and the thickness of the TPU foaming layers of formation is 100 μm, and the TPU of formation is resistance to
The thickness for waiting layer is 20 μm.
Embodiment 5
The difference of the preparation method and embodiment 2 of the envelop materialses composite bed that the present embodiment is provided is：
The thickness of the TPU barrier layers of formation is 50 μm, and the thickness of the TPU foaming layers of formation is 85 μm, and the TPU of formation is weather-proof
The thickness of layer is 100 μm.
Comparative example 1
The step of preparation method for the envelop materialses composite bed that this comparative example is provided, includes：
Vectran fiber precursors (200D) are woven according to twill mode, to form surface density as 60g/m2It is oblique
Scrim layer is used as bearing layer；Common PUR (model Du Pont 260) is coated on bearing layer, to form 40 μm of the first glue
Adhesion coating；PET metallized films (thickness is 20 μm, and aluminum layer thickness is 60nm) are arranged on the first adhesive layer, to form barrier
Layer；Common PUR is coated on barrier layer, to form 40 μm of the second adhesive layer；By Tedlar films (Du Pont PVF, thickness
For 25 μm) it is arranged on the second adhesive layer, to form weathering layer.
Tensile strength, layers cementing are carried out to the envelop materialses composite bed that above-described embodiment 1 to 5 and comparative example 1 are provided strong
Degree and Determination of conductive coefficients, test result are as shown in the table.
As can be seen from the above table, the tensile strength of the envelop materialses prepared in comparative example 1 is low and thermal conductivity factor is higher, and real
Applying the envelop materialses composite bed prepared in example 1 to 5, then there are the envelop materialses in relatively low thermal conductivity factor, embodiment 2 to 5 to be combined
Layer can also have higher tensile strength；Also, the envelop materialses composite bed in embodiment 1 and comparative example 1 after rubbing its
Saturating helium rate changes very greatly, and its saturating helium rate after rubbing of the envelop materialses composite bed in the application in embodiment 2 to 5 changes very
It is small.It can be seen that, the envelop materialses composite bed being prepared from using preparation method of the present utility model not only has higher thermal insulation,
After using specific material, also with higher wear-resisting and rub resistance.
As can be seen from the above description, the utility model the above embodiments realize following technique effect：
1st, it can not only make envelop materialses composite bed that there is weatherability and barrier, moreover it is possible to pass through the thermal insulation of foaming layer
Can, make envelop materialses composite bed that there is higher thermal insulation, so as to reduce the shadow for the External Heat Flux that product internal temperature is subject to
Ring；
2nd, by setting TPU barrier layers, TPU foaming layers, TPU weathering layers and TPU adhesive layers, envelop materialses composite bed is made also
There can be higher wear-resisting and rub resistance, so as to ensure that product is without damage in transportation.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of envelop materialses composite bed, including bearing layer (10), barrier layer (20) and the weathering layer that order is stacked
(30), it is characterised in that the envelop materialses composite bed also includes foaming layer (40), the foaming layer (40) is arranged at described hold
Between power layer (10) and the barrier layer (20) and/or between the barrier layer (20) and the weathering layer (30).
2. envelop materialses composite bed according to claim 1, it is characterised in that the foaming layer (40) is TPU foaming materials
The bed of material.
3. envelop materialses composite bed according to claim 2, it is characterised in that the thickness of the foaming layer (40) is 50~
100μm。
4. envelop materialses composite bed according to claim 1, it is characterised in that the barrier layer (20) is TPU barrier layers.
5. envelop materialses composite bed according to claim 4, it is characterised in that the thickness of the barrier layer (20) is 15~
100μm。
6. envelop materialses composite bed according to claim 1, it is characterised in that the weathering layer (30) is weatherability TPU
Material.
7. envelop materialses composite bed according to claim 6, it is characterised in that the thickness of the weathering layer (30) is 20~
150μm。
8. envelop materialses composite bed according to claim 1, it is characterised in that the bearing layer (10) is plain cloth
Layer.
9. envelop materialses composite bed according to any one of claim 1 to 8, it is characterised in that the envelop materialses are answered
Closing layer also includes being arranged at the bearing layer (10), the barrier layer (20), the foaming layer (40) and the weathering layer (30)
Adhesive layer (50) between middle adjacent two layers.
10. envelop materialses composite bed according to claim 9, it is characterised in that the adhesive layer (50) is TPU gluings
Layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621432543.1U CN206367253U (en) | 2016-12-23 | 2016-12-23 | Envelop materialses composite bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621432543.1U CN206367253U (en) | 2016-12-23 | 2016-12-23 | Envelop materialses composite bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206367253U true CN206367253U (en) | 2017-08-01 |
Family
ID=59392475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621432543.1U Expired - Fee Related CN206367253U (en) | 2016-12-23 | 2016-12-23 | Envelop materialses composite bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206367253U (en) |
-
2016
- 2016-12-23 CN CN201621432543.1U patent/CN206367253U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101538800B (en) | Thermoplastic resin coating film material and preparation method thereof | |
| US4073998A (en) | Scrim/foil laminate | |
| US6319596B1 (en) | Barrier laminate | |
| US20040202866A1 (en) | Bright white protective laminates | |
| JP2012512056A5 (en) | ||
| CN102555352B (en) | Glass fiber/PVC (polyvinyl chloride) composite membrane material and preparation method thereof | |
| CN206367242U (en) | Envelop materialses composite bed | |
| CN101618620A (en) | Fluorine-contained polymer layered film, preparation and application thereof | |
| CN107240617A (en) | A kind of compound high water vapor rejection solar cell backboard film and preparation method thereof | |
| JPS5822163A (en) | Gas barrier laminate | |
| CN106992221A (en) | Encapsulating structure, thin-film solar cells and organic light-emitting display device | |
| JP6046620B2 (en) | Solar cell back surface protection sheet and solar cell module | |
| CN206367253U (en) | Envelop materialses composite bed | |
| JP4311749B2 (en) | Shape memory composite material and manufacturing method thereof | |
| CN107651157A (en) | Envelop materialses composite bed, its preparation method, utricule and aerostatics | |
| CN201244938Y (en) | High isolation high performance composite material | |
| CN219171861U (en) | Moisture-heat aging resistant composite layer, photovoltaic backboard and photovoltaic module | |
| US5137787A (en) | Composite plastic panel and method for producing same | |
| WO2019119691A1 (en) | Composition for forming flame-retardant polyurethane, skin, and aerostat | |
| JPS634699A (en) | Manufacture of amorphous metal laminated sheet of wide widthand long length | |
| CN207250536U (en) | Capsule skin and aerostatics | |
| CN104974704A (en) | TPU (thermoplastic polyurethane) film/fabric-compounding polyurethane adhesive and preparation method thereof | |
| KR101142766B1 (en) | Zinc coating steel plate of one body adhesion thermoplastic polyolefine sheet and method of production thereof | |
| CN112297551A (en) | Evacuation slide/life raft capsule material and manufacturing method thereof | |
| CN220681844U (en) | Heat-insulating microporous foaming composite film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170801 Termination date: 20201223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |