CN205167760U - PVA degradable membrane - Google Patents
PVA degradable membrane Download PDFInfo
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- CN205167760U CN205167760U CN201520885816.7U CN201520885816U CN205167760U CN 205167760 U CN205167760 U CN 205167760U CN 201520885816 U CN201520885816 U CN 201520885816U CN 205167760 U CN205167760 U CN 205167760U
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- pva
- cornstarch
- degradable
- membrane
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Abstract
The utility model relates to a PVA degradable membrane mainly is applied to the packing field, be equipped with PVA body layer, starch maize layer and skin in proper order, surface recombination bond line on the PVA body layer, bond line and the compound starch maize complex film that is in starch maize layer, the outer PE membrane that is. The utility model discloses it is pollution -free, degradable, very environmental protection.
Description
Technical field
The utility model relates to a kind of PVA degradable membrane, is mainly used in packaging field.
Background technology
Along with growth in the living standard, the requirement for packaging is more and more higher, not only requires packaging material to meet general durable and attractive in appearance, also must environmental protection, can degrade, pollution-free.
Application number a kind of cornstarch composite membrane that has been the disclosure of the invention of 201410458500.X and preparation method thereof and application, it is by cornstarch, Gan Bo, reinforcing agent form, described reinforcing agent is nanometer CaC03, waxy corn starch nano particle or shitosan, described quality is than cornstarch: glycerine=6.5 ~ 8.0:1.5 ~ 3.0, when reinforcing agent is nanometer CaC03, waxy corn starch nano particle, the quality of reinforcing agent/cornstarch is respectively: 0.02 ~ 0.5,1 ~ 25; When reinforcing agent be nanometer CaC03 and shitosan time, the quality of the quality/cornstarch of nanometer CaC03 is 0.06, the matter of the quality/cornstarch of shitosan: 10 ~ 50; Described nanometer CaC03 granular size is between 30 ~ 50nm; Described waxy corn starch nano particle size 70 ~ 120nm.The light transmittance of cornstarch composite membrane and poisture-penetrability reduce, and thermal characteristics is better, and heat endurance is high.
Utility model content
The purpose of this utility model is to provide a kind of PVA degradable membrane, pollution-free, degradable, very environmental protection.
PVA degradable membrane described in the utility model, is provided with PVA body layer, cornstarch layer and skin successively, the composite adhered layer of PVA body layer upper surface, and adhesive layer and cornstarch layer are complex as cornstarch composite membrane, and skin is PE film.
Described outer upper surface compound PET polyester antistatic film layer.
Described PVA body layer lower surface is provided with internal layer, the composite adhered layer of PVA body layer lower surface, and internal layer is cornstarch layer, and adhesive layer and cornstarch layer are complex as cornstarch composite membrane.
Described internal layer lower surface compound PE film.
The cornstarch composite membrane of cornstarch layer to be application number the be disclosure of the invention of 201410458500.X.
Compared with prior art, the beneficial effects of the utility model are:
The utility model adopts PVA body layer and cornstarch layer, very environmental protection, can degrade, pollution-free; Outer upper surface compound PET polyester antistatic film layer, effectively can play the effect of electrostatic defending, can prevent outer surface attract dust and impurity, keep packaging outer surface to clean.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the present utility model.
In figure: 1, PE film 2, cornstarch layer 3, adhesive layer 4, PVA body layer 5, adhesive layer 6, cornstarch layer 7, PE film 8, PET polyester antistatic film layer.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is described further:
As shown in Figure 1, PVA degradable membrane described in the utility model, is provided with PVA body layer 4, cornstarch layer 2 and skin successively, the composite adhered layer 3 of PVA body layer 4 upper surface, and adhesive layer 3 and cornstarch layer 2 are complex as cornstarch composite membrane, and skin is PE film 1.Outer upper surface compound PET polyester antistatic film layer 8.PVA body layer 4 lower surface is provided with internal layer, the composite adhered layer 5 of PVA body layer 4 lower surface, and internal layer is cornstarch layer 6, and adhesive layer 5 and cornstarch layer 6 are complex as cornstarch composite membrane.Internal layer lower surface compound PE film 7.The cornstarch composite membrane of cornstarch layer to be application number the be disclosure of the invention of 201410458500.X.PVA film thickness can be 0.01mm ~ 0.02mm, it is better that general thickness is set to 0.01mm, 0.012mm, 0.015mm, 0.018mm or 0.02mm effect, PE film thickness can be 0.06 ~ 0.08mm, and it is better that general thickness is set to 0.06mm, 0.065mm, 0.07mm, 0.075mm or 0.08mm effect.
Claims (4)
1. a PVA degradable membrane, it is characterized in that, be provided with PVA body layer (4), cornstarch layer and skin successively, the composite adhered layer of PVA body layer (4) upper surface, adhesive layer and cornstarch layer are complex as cornstarch composite membrane, and skin is PE film.
2. PVA degradable membrane according to claim 1, is characterized in that, outer upper surface compound PET polyester antistatic film layer (8).
3. PVA degradable membrane according to claim 2, it is characterized in that, PVA body layer (4) lower surface is provided with internal layer, the composite adhered layer of PVA body layer (4) lower surface, internal layer is cornstarch layer, and adhesive layer and cornstarch layer are complex as cornstarch composite membrane.
4. PVA degradable membrane according to claim 3, is characterized in that, internal layer lower surface compound PE film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520885816.7U CN205167760U (en) | 2015-11-09 | 2015-11-09 | PVA degradable membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520885816.7U CN205167760U (en) | 2015-11-09 | 2015-11-09 | PVA degradable membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205167760U true CN205167760U (en) | 2016-04-20 |
Family
ID=55731788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520885816.7U Active CN205167760U (en) | 2015-11-09 | 2015-11-09 | PVA degradable membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205167760U (en) |
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2015
- 2015-11-09 CN CN201520885816.7U patent/CN205167760U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 255400 No. 8 South Central Road, Jinshan Industrial Park, Linzi District, Shandong, Zibo Patentee after: Zibo Zhongnan pharmaceutical packing material Limited by Share Ltd Address before: 255400 Shandong province Zibo City Road Nanwang Industrial Park in Linzi District No. 8 Patentee before: Zibo Zhongnan Plastics Co., Ltd. |
|
| CP03 | Change of name, title or address |