CN204054832U - Degradable high-resistant diaphragm - Google Patents
Degradable high-resistant diaphragm Download PDFInfo
- Publication number
- CN204054832U CN204054832U CN201420396273.8U CN201420396273U CN204054832U CN 204054832 U CN204054832 U CN 204054832U CN 201420396273 U CN201420396273 U CN 201420396273U CN 204054832 U CN204054832 U CN 204054832U
- Authority
- CN
- China
- Prior art keywords
- degradable
- layer
- barrier layer
- resistant diaphragm
- compounded
- 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.)
- Active
Links
Abstract
The degradable high-resistant diaphragm that the utility model provides is by the first degradable barrier layer of phase compound successively, first adhesive layer, first degradable polyethylene layer, second degradable polyethylene layer, second adhesive layer, second degradable barrier layer, 3rd degradable barrier layer, 4th degradable barrier layer, 3rd adhesive layer, 3rd degradable polyethylene layer and the 4th degradable polyethylene layer form, degradable barrier layer and degradable polyethylene layer absorb photosynthesis in natural environment, there is chemical reaction under light illumination, produce free radical chain reactions, the degraded of transfer polymerization thing, in the middle of degradable high-resistant diaphragm, three layers of degradable barrier layer also make the barrier property of Obstruct membrane be enhanced simultaneously, can by steam, oxygen, the materials such as carbon dioxide intercept, play the effect extended the shelf life.
Description
Technical field
The utility model belongs to functional membrane technical field, particularly relates to a kind of degradable high-resistant diaphragm.
Background technology
Along with the development of Chemical Engineering Technology, the functionalization development trend of plastic film is day by day obvious, and wherein, high-barrier plastic film is one of function film with fastest developing speed at present.High-resistant diaphragm refers to that protection package is content-filled, avoids the small-molecule substance such as pollutant and oxygen, steam, liquid and smell to infiltrate, the packing film that simultaneously also can prevent pack content from oozing out.The high barrier of high-resistant diaphragm refer to 23 DEG C, under the standard state of 65% relative humidity, the transit dose < 5ml/m of oxygen
2below day, the transit dose < 2g/m of steam
2d.
For reducing costs and practical function variation, Obstruct membrane many employings composite construction.Outer employing PE film, PP film, PFT film etc., can improve printing effect while reducing costs, intermediate layer adopts the film that barrier is high, realizes the specific functions such as obstruct.
The technological difficulties of high-resistant diaphragm except the synthesis of high-barrier resin raw material, mainly multi-layer co-extruded combination process.Complex method mainly contains 4 kinds: dry type compound, solvent-free compound, individual layer extrude compound, multi-layer co-extruded compound.Multi-layer co-extruded compound has that cost is low, raw material mix is flexible, and the advantage that composite performance is high is the main flow direction of future development.Multi-layer co-extruded compound is exactly the extruder of employing more than 3, by the resin raw material of difference in functionality, as PA, PE, PP etc., melt extrudes respectively, converges shaping through inflation, cooling combined process by respective runner at a die head again.
In recent years, high-resistant diaphragm was widely used in the packaging of the food such as vegetables, melon and fruit, all kinds of heat-dissipating food, facilitate the life of people, but the lower discarded high-resistant diaphragm that accumulates over a long period brought impact to environment, defined " white pollution " problem.
Utility model content
In view of this, the technical problems to be solved in the utility model is to provide a kind of degradable high-resistant diaphragm, this high-resistant diaphragm capable of being fast degraded.
The utility model provides a kind of degradable high-resistant diaphragm, comprising:
First degradable barrier layer;
Be compounded in the first adhesive layer on described first degradable barrier layer;
Be compounded in the first degradable polyethylene layer on described first adhesive layer;
Be compounded in the second degradable polyethylene layer on described first degradable polyethylene layer;
Be compounded in the second adhesive layer on described second degradable polyethylene layer;
Be compounded in the second degradable barrier layer on described second adhesive layer;
Be compounded in the 3rd degradable barrier layer on described second degradable barrier layer;
Be compounded in the 4th degradable barrier layer on described 3rd degradable barrier layer;
Be compounded in the 3rd adhesive layer on described 4th degradable barrier layer;
Be compounded in the 3rd degradable polyethylene layer on described 3rd adhesive layer;
Be compounded in the 4th degradable polyethylene layer on described 3rd degradable polyethylene layer.
Preferably, described first degradable barrier layer is the first degradable poly acid amides barrier layer.
Preferably, described second degradable barrier layer is the second degradable poly acid amides barrier layer.
Preferably, described 3rd degradable barrier layer is the 3rd degradable poly acid amides barrier layer.
Preferably, described 4th degradable barrier layer is the 4th degradable poly acid amides barrier layer
Preferably, the thickness of described first adhesive layer, the second adhesive layer and the 3rd adhesive layer is 4% ~ 16% of degradable high-resistant diaphragm thickness independently of one another.
Preferably, the thickness of described first degradable polyethylene layer, the second degradable polyethylene layer and the 3rd degradable polyethylene layer is 5% ~ 20% of degradable high-resistant diaphragm thickness independently of one another.
Preferably, the thickness of described first degradable barrier layer is 6% ~ 18% of degradable high-resistant diaphragm thickness.
Preferably, the thickness of described second degradable barrier layer, the 3rd degradable barrier layer and the 4th degradable barrier layer is 1.5% ~ 6% of degradable high-resistant diaphragm thickness independently of one another.
Preferably, the thickness of described 4th degradable polyethylene layer is 15% ~ 50% of degradable high-resistant diaphragm thickness.
The utility model provides a kind of degradable high-resistant diaphragm, and it comprises: the first degradable barrier layer; Be compounded in the first adhesive layer on described first degradable barrier layer; Be compounded in the first degradable polyethylene layer on described first adhesive layer; Be compounded in the second degradable polyethylene layer on described first degradable polyethylene layer; Be compounded in the second adhesive layer on described second degradable polyethylene layer; Be compounded in the second degradable barrier layer on described second adhesive layer; Be compounded in the 3rd degradable barrier layer on described second degradable barrier layer; Be compounded in the 4th degradable barrier layer on described 3rd degradable barrier layer; Be compounded in the 3rd adhesive layer on described 4th degradable barrier layer; Be compounded in the 3rd degradable polyethylene layer on described 3rd adhesive layer; Be compounded in the 4th degradable polyethylene layer on described 3rd degradable polyethylene layer.Compared with prior art, the utility model degradable barrier layer and degradable polyethylene layer absorb photosynthesis in natural environment, there is chemical reaction under light illumination, produce free radical chain reactions, the degraded of transfer polymerization thing, in the middle of degradable high-resistant diaphragm, three layers of degradable barrier layer also make the barrier property of Obstruct membrane be enhanced simultaneously, the materials such as steam, oxygen, carbon dioxide can be intercepted, play the effect extended the shelf life.
Accompanying drawing explanation
The structural representation of the degradable high-resistant diaphragm that Fig. 1 provides for the utility model;
Fig. 2 is multi-layer co-extruded process flow diagram.
Detailed description of the invention
The utility model provides a kind of degradable high-resistant diaphragm, comprising:
First degradable barrier layer;
Be compounded in the first adhesive layer on described first degradable barrier layer;
Be compounded in the first degradable polyethylene layer on described first adhesive layer;
Be compounded in the second degradable polyethylene layer on described first degradable polyethylene layer;
Be compounded in the second adhesive layer on described second degradable polyethylene layer;
Be compounded in the second degradable barrier layer on described second adhesive layer;
Be compounded in the 3rd degradable barrier layer on described second degradable barrier layer;
Be compounded in the 4th degradable barrier layer on described 3rd degradable barrier layer;
Be compounded in the 3rd adhesive layer on described 4th degradable barrier layer;
Be compounded in the 3rd degradable polyethylene layer on described 3rd adhesive layer;
Be compounded in the 4th degradable polyethylene layer on described 3rd degradable polyethylene layer.
The degradable high-resistant diaphragm that the utility model provides is by the first degradable barrier layer of phase compound successively, first adhesive layer, first degradable polyethylene layer, second degradable polyethylene layer, second adhesive layer, second degradable barrier layer, 3rd degradable barrier layer, 4th degradable barrier layer, 3rd adhesive layer, 3rd degradable polyethylene layer and the 4th degradable polyethylene layer form, degradable barrier layer and degradable polyethylene layer absorb photosynthesis in natural environment, there is chemical reaction under light illumination, produce free radical chain reactions, the degraded of transfer polymerization thing, in the middle of degradable high-resistant diaphragm, three layers of degradable barrier layer also make the barrier property of Obstruct membrane be enhanced simultaneously, can by steam, oxygen, the materials such as carbon dioxide intercept, play the effect extended the shelf life.
See the structural representation of the degradable high-resistant diaphragm that Fig. 1, Fig. 1 provide for the utility model, wherein, A is the first degradable barrier layer, and B is the first adhesive layer, and C is the first degradable polyethylene layer, D is the second degradable polyethylene layer, E is the second adhesive layer, and F is the second degradable barrier layer, and G is the 3rd degradable barrier layer, H is the 4th degradable barrier layer, I is the 3rd adhesive layer, and J is the 3rd degradable polyethylene layer, and K is the 4th degradable polyethylene layer.
First degradable barrier layer A is the outermost layer of described degradable high-resistant diaphragm, its surface through sided corona treatment, there is iris action, degradable while can improve optical property and the mechanical property of Obstruct membrane.In the utility model, the first degradable barrier layer A preferably adds the formation of degradable masterbatch primarily of polyamide (PA) resin; Described degradable masterbatch is degradable masterbatch well known to those skilled in the art, there is no special restriction, is preferably the SEP environmentally-friendly plastic particle of Chuan Sen company in the utility model; The addition of described degradable masterbatch is 1% ~ 3% of the first degradable barrier layer quality, is more preferably 2%; The thickness of described first degradable barrier layer is preferably 6% ~ 18% of degradable high-resistant diaphragm thickness, is more preferably 8% ~ 15%, then is preferably 8% ~ 12%, most preferably is 10%.
First adhesive layer B is compound on the first degradable barrier layer A, can play cementation, increases the compatibility between the first degradable barrier layer A and the first degradable polyethylene layer C; First adhesive layer B by binding resin, as formation such as TIE; In the utility model, the thickness of the first adhesive layer B is preferably 4% ~ 16% of degradable high-resistant diaphragm thickness, is more preferably 6% ~ 12%, then is preferably 6% ~ 10%, most preferably is 8%.
First degradable polyethylene layer C is compound on the first adhesive layer B, has the effect improving Film Optics performance.In the utility model, the first degradable polyethylene layer C adds degradable masterbatch primarily of polyethylene (PE) resin and is formed, and not only can improve the optical property of film, and can the mechanical property of enhanced film.Wherein, the kind of described degradable masterbatch is same as above, does not repeat them here; In first degradable polyethylene layer C, the content of degradable masterbatch is 3% ~ 8% of the first degradable polyethylene layer quality, is more preferably 4% ~ 6%, most preferably is 5%; The thickness of described first degradable polyethylene layer C is preferably 5% ~ 20% of degradable high-resistant diaphragm thickness, is more preferably 8% ~ 15%, then is preferably 8% ~ 12%, most preferably is 9%.
Second degradable polyethylene layer D is compound on the first degradable polyethylene layer C, has the effect improving thin film mechanical performance, and it adds degradable masterbatch primarily of polyethylene (PE) resin and is formed; The kind of described degradable masterbatch is same as above, does not repeat them here; The content of the masterbatch of degradable described in this layer is preferably 4% ~ 10% of the second degradable polyethylene layer D quality, is more preferably 6% ~ 10%, then is preferably 8%; The thickness of described second degradable polyethylene layer D is preferably 5% ~ 20% of degradable high-resistant diaphragm thickness, is more preferably 8% ~ 15%, then is preferably 8% ~ 12%, most preferably is 9%.
Second adhesive layer E is compound on the second degradable polyethylene layer D, in order to increase the compatibility between the second degradable polyethylene layer D and the second degradable barrier layer F, the second adhesive layer E by binding resin, as formation such as TIE; In the utility model, the thickness of the second adhesive layer D is preferably 4% ~ 16% of degradable high-resistant diaphragm thickness, is more preferably 6% ~ 12%, then is preferably 6% ~ 10%, most preferably is 8%.
Second degradable barrier layer F is compounded on the second adhesive layer E, plays degradable and resistance oxygen, the iris action such as block water, and improves the barrier property of described degradable high-resistant diaphragm.In the present embodiment, the second degradable barrier layer F adds the formation of degradable masterbatch primarily of polyamide (PA) resin; In other embodiments, the second degradable barrier layer F also can be formed, as long as have good barrier property as ethylene-vinyl alcohol copolymer (EVOH) etc. adds degradable masterbatch by other resins.The kind of described degradable masterbatch is same as above, does not repeat them here; In second degradable barrier layer F, the content of degradable masterbatch is preferably 1% ~ 3% of the second degradable barrier layer quality, is more preferably 2%; In the utility model, the thickness of described second degradable barrier layer F is preferably 1.5% ~ 6% of degradable high-resistant diaphragm thickness, is more preferably 2% ~ 4%, then is preferably 3%.
3rd degradable barrier layer G is compounded on the second degradable barrier layer F, plays degradable and resistance oxygen, the iris action such as block water, and improves the barrier property of described degradable high-resistant diaphragm.In the present embodiment, the 3rd degradable barrier layer G adds the formation of degradable masterbatch primarily of polyamide (PA) resin; In other embodiments, the 3rd degradable barrier layer G also can be formed, as long as have good barrier property as ethylene-vinyl alcohol copolymer (EVOH) etc. adds degradable masterbatch by other resins.The kind of described degradable masterbatch is same as above, does not repeat them here; In 3rd degradable barrier layer G, the content of degradable masterbatch is preferably 1% ~ 3% of the 3rd degradable barrier layer quality, is more preferably 2%; In the utility model, the thickness of described 3rd degradable barrier layer G is preferably 1.5% ~ 6% of degradable high-resistant diaphragm thickness, is more preferably 2% ~ 4%, then is preferably 3%.
4th degradable barrier layer H is compounded on the 3rd degradable barrier layer G, plays degradable and resistance oxygen, the iris action such as block water, and improves the barrier property of described degradable high-resistant diaphragm.In the present embodiment, the 4th degradable barrier layer H adds the formation of degradable masterbatch primarily of polyamide (PA) resin; In other embodiments, the 4th degradable barrier layer H also can be formed, as long as have good barrier property as ethylene-vinyl alcohol copolymer (EVOH) etc. adds degradable masterbatch by other resins.The kind of described degradable masterbatch is same as above, does not repeat them here; In 4th degradable barrier layer H, the content of degradable masterbatch is preferably 1% ~ 3% of the 4th degradable barrier layer quality, is more preferably 2%; .In the utility model, the thickness of described 4th degradable barrier layer H is preferably 1.5% ~ 6% of degradable high-resistant diaphragm thickness, is more preferably 2% ~ 4%, then is preferably 3%.
3rd adhesive layer I is compounded on the 4th degradable barrier layer H, in order to increase the compatibility between the 4th degradable barrier layer H and the 3rd degradable polyethylene layer J; 3rd adhesive layer I by binding resin, as formation such as TIE; In the utility model, the thickness of the 3rd adhesive layer I is preferably 4% ~ 16% of degradable high-resistant diaphragm thickness, is more preferably 6% ~ 12%, then is preferably 6% ~ 10%, most preferably is 8%.
3rd degradable polyethylene layer J is compounded on the 3rd adhesive layer I, can increase the mechanical property of film, and it adds degradable masterbatch primarily of polyethylene (PE) resin and is formed; The kind of described degradable masterbatch is same as above, does not repeat them here; In 3rd degradable polyethylene layer J, the content of degradable masterbatch is preferably 4% ~ 16% of the 3rd degradable polyethylene layer quality, is more preferably 6% ~ 14%, then is preferably 6% ~ 12%, most preferably is 8%; In the utility model, the thickness of the 3rd degradable polyethylene layer J is preferably 5% ~ 20% of degradable high-resistant diaphragm thickness, is more preferably 8% ~ 15%, then is preferably 8% ~ 12%, most preferably is 9%.
4th degradable polyethylene layer K is compounded on the 3rd degradable polyethylene layer J, it is the innermost layer of degradable high-resistant diaphragm, can increase the mechanical property of film, have the performances such as the wet and heat-sealing of good resistance, it adds degradable masterbatch primarily of polyethylene (PE) resin and is formed simultaneously; The kind of described degradable masterbatch is same as above, does not repeat them here; In 4th degradable polyethylene layer K, the content of degradable masterbatch is preferably 3% ~ 10% of the 4th degradable polyethylene layer quality, is more preferably 4% ~ 8%, then is preferably 4% ~ 6%, most preferably is 5%; In the utility model, the thickness of the 4th degradable polyethylene layer K is preferably 15% ~ 50% of degradable high-resistant diaphragm thickness, is more preferably 20% ~ 40%, then is preferably 25% ~ 35%, most preferably is 30%; In order to strengthen the heat sealability of degradable high-resistant diaphragm, preferably also comprising metallocene in described 4th degradable polyethylene layer, playing heat-sealing effect; The content of described metallocene is preferably 30% ~ 50% of the 4th degradable polyethylene layer quality, is more preferably 40%.
The degradable high-resistant diaphragm that the utility model provides has the structure of eleventh floor, has good barrier property and degradability.
The gross thickness of the degradable high-resistant diaphragm that the utility model provides can be 25 ~ 250 μm, and to this, the utility model does not have special restriction, and those skilled in the art can carry out the adjustment of thickness according to actual barriering effect.
The utility model adopts multi-layer co-extruded method to prepare described degradable high-resistant diaphragm (described multi-layer co-extruded process flow diagram as shown in Figure 2) not only to have good compound peel strength, superior environmental resistance, chemical-resistance, good mechanical property, and there is good barrier property and degradability, under natural environment, degradable masterbatch absorbs photosynthesis, there is chemical reaction under light illumination, produce free radical chain reactions, the degraded of transfer polymerization thing, solve photodegradable plastics in the past simultaneously and (as bury native part under no light condition, field filled by rubbish) sensitising agent cannot bring out degraded or be made the shortcomings such as degradation effect difference by high filler parcel because of sensitising agent.
The above is only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a degradable high-resistant diaphragm, is characterized in that, comprising:
First degradable barrier layer;
Be compounded in the first adhesive layer on described first degradable barrier layer;
Be compounded in the first degradable polyethylene layer on described first adhesive layer;
Be compounded in the second degradable polyethylene layer on described first degradable polyethylene layer;
Be compounded in the second adhesive layer on described second degradable polyethylene layer;
Be compounded in the second degradable barrier layer on described second adhesive layer;
Be compounded in the 3rd degradable barrier layer on described second degradable barrier layer;
Be compounded in the 4th degradable barrier layer on described 3rd degradable barrier layer;
Be compounded in the 3rd adhesive layer on described 4th degradable barrier layer;
Be compounded in the 3rd degradable polyethylene layer on described 3rd adhesive layer;
Be compounded in the 4th degradable polyethylene layer on described 3rd degradable polyethylene layer.
2. degradable high-resistant diaphragm according to claim 1, is characterized in that, described first degradable barrier layer is the first degradable poly acid amides barrier layer.
3. degradable high-resistant diaphragm according to claim 1, is characterized in that, described second degradable barrier layer is the second degradable poly acid amides barrier layer.
4. degradable high-resistant diaphragm according to claim 1, is characterized in that, described 3rd degradable barrier layer is the 3rd degradable poly acid amides barrier layer.
5. degradable high-resistant diaphragm according to claim 1, is characterized in that described 4th degradable barrier layer is the 4th degradable poly acid amides barrier layer.
6. degradable high-resistant diaphragm according to claim 1, is characterized in that, the thickness of described first adhesive layer, the second adhesive layer and the 3rd adhesive layer is 4% ~ 16% of degradable high-resistant diaphragm thickness independently of one another.
7. degradable high-resistant diaphragm according to claim 1, is characterized in that, the thickness of described first degradable polyethylene layer, the second degradable polyethylene layer and the 3rd degradable polyethylene layer is 5% ~ 20% of degradable high-resistant diaphragm thickness independently of one another.
8. degradable high-resistant diaphragm according to claim 1, is characterized in that, the thickness of described first degradable barrier layer is 6% ~ 18% of degradable high-resistant diaphragm thickness.
9. degradable high-resistant diaphragm according to claim 1, is characterized in that, the thickness of described second degradable barrier layer, the 3rd degradable barrier layer and the 4th degradable barrier layer is 1.5% ~ 6% of degradable high-resistant diaphragm thickness independently of one another.
10. degradable high-resistant diaphragm according to claim 1, is characterized in that, the thickness of described 4th degradable polyethylene layer is 15% ~ 50% of degradable high-resistant diaphragm thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420396273.8U CN204054832U (en) | 2014-07-17 | 2014-07-17 | Degradable high-resistant diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420396273.8U CN204054832U (en) | 2014-07-17 | 2014-07-17 | Degradable high-resistant diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204054832U true CN204054832U (en) | 2014-12-31 |
Family
ID=52196410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420396273.8U Active CN204054832U (en) | 2014-07-17 | 2014-07-17 | Degradable high-resistant diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204054832U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105365317A (en) * | 2015-12-07 | 2016-03-02 | 武汉华丽生物股份有限公司 | Biologic high-barrier compound membrane and preparation method thereof |
| CN105383133A (en) * | 2015-12-17 | 2016-03-09 | 武汉华丽生物股份有限公司 | Bio-based high-barrier sheet material and preparation method thereof |
| CN108308144A (en) * | 2017-12-26 | 2018-07-24 | 中国农业科学院茶叶研究所 | The color design and fabrication method of the environmentally friendly colour table of tea lesser leafhopper |
| CN110843308A (en) * | 2019-11-27 | 2020-02-28 | 格域包装科技（江苏）有限公司 | Biodegradable film, preparation method thereof and application thereof in air energy packaging material |
-
2014
- 2014-07-17 CN CN201420396273.8U patent/CN204054832U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105365317A (en) * | 2015-12-07 | 2016-03-02 | 武汉华丽生物股份有限公司 | Biologic high-barrier compound membrane and preparation method thereof |
| CN105383133A (en) * | 2015-12-17 | 2016-03-09 | 武汉华丽生物股份有限公司 | Bio-based high-barrier sheet material and preparation method thereof |
| CN108308144A (en) * | 2017-12-26 | 2018-07-24 | 中国农业科学院茶叶研究所 | The color design and fabrication method of the environmentally friendly colour table of tea lesser leafhopper |
| CN108308144B (en) * | 2017-12-26 | 2020-11-10 | 中国农业科学院茶叶研究所 | Color design and manufacturing method of tea lesser leafhopper environment-friendly color plate |
| CN110843308A (en) * | 2019-11-27 | 2020-02-28 | 格域包装科技（江苏）有限公司 | Biodegradable film, preparation method thereof and application thereof in air energy packaging material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103112226B (en) | Seven-layer co-extrusion high-isolating hyaline membrane and preparation method thereof | |
| CN204054832U (en) | Degradable high-resistant diaphragm | |
| CN103753914A (en) | Five-layer co-extrusion packaging material having high moisture barrier and barrier properties and preparation method thereof | |
| CN102700210B (en) | Seven-layer co-extrusion transparent high-isolation film and preparation method thereof | |
| US20220282037A1 (en) | High-barrier biodegradable Doypack and preparation method therefor | |
| CN102407644B (en) | Biodegradable multilayer composite polyethylene film and preparation method thereof | |
| CN105531115A (en) | Polymer film with renewable content | |
| CN102190824A (en) | Hot-seal functional stretch film | |
| CN208101252U (en) | A kind of sheet material for plastics sucking moulding | |
| JP2014162923A (en) | Composition for biomass film, biomass film, and method of producing biomass film | |
| CN201941208U (en) | Low-temperature impact-resistant polyethylene film | |
| CN103950257A (en) | High-barrier bio-based composite membrane and preparation method thereof | |
| CN107745561A (en) | A kind of scissile nylon EVOH high-resistant diaphragms and its production method | |
| CN109093978A (en) | A kind of film and its production method of high draw ratio | |
| CN102390148A (en) | High-separation multi-layer co-extrusion bio-based blow moulding film and preparation method thereof | |
| CN109397779A (en) | A kind of high resistant oxygen film and the preparation method and application thereof | |
| CN2913229Y (en) | High-obstruct seepage proof plastic-aluminum composite membrane for liquid state dairy product packing | |
| CN201693819U (en) | Five-layer co-extrusion blocking cover material film | |
| CN204054831U (en) | High-resistant diaphragm can be printed | |
| CN202283802U (en) | Ultraviolet ray resisting separating film | |
| CN104861246B (en) | A kind of preparation method with barrier degradation plastic laminated film | |
| CN202412845U (en) | High-transparence and easy-opening barrier film | |
| CN204382752U (en) | A kind of high resistant oxygen high resistant wets packaging film | |
| CN204054830U (en) | Low oxygen flow high-resistant diaphragm | |
| CN206781177U (en) | A kind of high intensity puncture-resistant composite membrane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201508 No. 611, Shantong Road, Shanyang Town, Jinshan District, Shanghai Patentee after: Shanghai Tangke New Material Technology Co.,Ltd. Address before: 201508 No. 611, Shantong Road, Shanyang Town, Jinshan District, Shanghai Patentee before: SHANGHAI TANGKE NEW PACKAGE MATERIAL Co.,Ltd. |