CN206011918U - A kind of high ventilative water lock diaphragm - Google Patents
A kind of high ventilative water lock diaphragm Download PDFInfo
- Publication number
- CN206011918U CN206011918U CN201620509830.1U CN201620509830U CN206011918U CN 206011918 U CN206011918 U CN 206011918U CN 201620509830 U CN201620509830 U CN 201620509830U CN 206011918 U CN206011918 U CN 206011918U
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- CN
- China
- Prior art keywords
- polyethylene layer
- water lock
- polyethylene
- ventilative water
- high air
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Abstract
The utility model discloses a kind of high ventilative water lock diaphragm, from top to bottom includes high air-and water-permeable polyethylene layer, high ventilative water lock polyethylene layer, high air permeable waterproof polyethylene layer successively；The thickness of the high air-and water-permeable polyethylene layer is 3 ~ 7 μm, and the thickness of the high ventilative water lock polyethylene layer is 10 ~ 30 μm, and the thickness of the high air permeable waterproof polyethylene layer is 3 ~ 7 μm.The ventilative water lock diaphragm of height that the utility model is provided, permeability are good, and water lock performance is strong；Can make and be coated with substrate protective film.
Description
Technical field
The utility model belongs to co-extrusion film field, and in particular to a kind of high ventilative water lock diaphragm.
Background technology
Diaphragm by property class point coating glue film and self-adhesive film, the species of coating glue film sticker have solvent-borne type adhesion rubber agent,
Solvent-type acrylic sticker, water soluble acrylic acid sticker and silicone sticker, wherein with water soluble acrylic acid sticker be again
The product of coating glue film is most commonly utilized in, and it is easily adjusted adhesion strength, and the transparency and weatherability are good.Solvent in process of production
The quality stability not exclusively for product of volatilization there is large effect.Simultaneously because the presence of solvent, pastes and is protected
During backplate material, can produce " ghost ", for the gas produced after winding to being produced certain dissolution by the coating of protection sheet material
Bubble, paste and had by bubble etc. of protection sheet material certain from scavenging action, therefore high ventilative water lock diaphragm exploitation is particularly important.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of high ventilative water lock diaphragm, has
High air penetrability and water lock performance.
It is that the utility model is employed the following technical solutions up to this purpose：
A kind of high ventilative water lock diaphragm, from top to bottom includes that high air-and water-permeable polyethylene layer, high ventilative water lock gather successively
Pvdf layer, high air permeable waterproof polyethylene layer.
Preferably, the thickness of the high air-and water-permeable polyethylene layer is 3 ~ 7 μm.The thickness of the high ventilative water lock polyethylene layer
Spend for 10 ~ 20 μm.The thickness of the high air permeable waterproof polyethylene layer is 3 ~ 7 μm.
Wherein, the high air-and water-permeable polyethylene layer is high ventilative using the metallocene linear low density for adding calcium carbonate masterbatch
Polyethylene film；By weight percentage, by the high breathable polyethylene of 35%～55% metallocene linear low density, 65%～45% calcium carbonate
Masterbatch is prepared from.
The high ventilative water lock polyethylene layer is using the metallocene linear low density height for adding calcium carbonate masterbatch, moisture absorption masterbatch
Breathable polyethylene film；By weight percentage, by the high breathable polyethylene of 35%～55% metallocene linear low density, 15%～25% carbon
Sour calcium masterbatch, 50% ~ 20% moisture absorption masterbatch are prepared from.
The high air permeable waterproof polyethylene layer is using the high poly- second of breathing freely of the metallocene linear low density for adding polyethylene from high pressure process
Alkene film；By weight percentage, by the high breathable polyethylene of 35%～55% metallocene linear low density, 65%～45% polyethylene from high pressure process
It is prepared from.
Beneficial effect：The utility model is gathered by the high air-and water-permeable polyethylene layer that is cascading, high ventilative water lock
Pvdf layer, high air permeable waterproof polyethylene layer, by stretched for polyethylene layer with permeable, water lock, water resistance formation micropore
So as to reach the purpose of waterproof and breathable, the diaphragm with high ventilative and water lock function is formed, permeability is good, water lock performance
By force；Can make and be coated with substrate protective film.
Description of the drawings
Fig. 1 is a kind of structural representation of high ventilative water lock diaphragm of the present utility model；
Reference is as follows：1st, high air-and water-permeable polyethylene layer, 2, high ventilative water lock polyethylene layer, 3, high air permeable waterproof gathers
Pvdf layer.
Specific embodiment
The technical solution of the utility model is further illustrated below by the drawings and specific embodiments.
The ventilative water lock diaphragm of height as shown in Figure 1, from top to bottom includes high air-and water-permeable polyethylene layer 1, height thoroughly successively
Gas lock water polyethylene layer 2, high air permeable waterproof polyethylene layer 3.
Embodiment 1
A kind of high ventilative water lock diaphragm, from top to bottom includes that high air-and water-permeable polyethylene layer 1, high ventilative water lock gather successively
Pvdf layer 2, high air permeable waterproof polyethylene layer 3, the thickness of high air-and water-permeable polyethylene layer 1 is 3um, high ventilative water lock polyethylene layer
Thickness be 20um；The thickness of high air permeable waterproof polyethylene layer is 3um.Wherein, high air-and water-permeable polyethylene layer adopts high gas
Through filter polyethylene material and calcium carbonate masterbatch composition, by weight percentage, high ventilative poly- by 35% metallocene linear low density
Ethene, 65% calcium carbonate masterbatch are prepared from；High ventilative water lock polyethylene layer is by weight percentage, low by 35% metallocene linear
The high breathable polyethylene of density, 15% calcium carbonate masterbatch, 50% moisture absorbing masterbatch are prepared from；High air permeable waterproof polyethylene layer is by weight
Amount percentages, are prepared from by the high breathable polyethylene of 35% metallocene linear low density, 65% polyethylene from high pressure process.
Embodiment 2
A kind of high ventilative water lock diaphragm, from top to bottom includes that high air-and water-permeable polyethylene layer 1, high ventilative water lock gather successively
Pvdf layer 2, high air permeable waterproof polyethylene layer 3, the thickness of high air-and water-permeable polyethylene layer 1 is 5um, high ventilative water lock polyethylene layer
Thickness be 15um；The thickness of high air permeable waterproof polyethylene layer is 5um.Wherein, high air-and water-permeable polyethylene layer adopts high gas
Through filter polyethylene material and calcium carbonate masterbatch composition.By weight percentage, high ventilative poly- by 45% metallocene linear low density
Ethene, 55% calcium carbonate masterbatch are prepared from；High ventilative water lock polyethylene layer is by weight percentage, low by 45% metallocene linear
The high breathable polyethylene of density, 25% calcium carbonate masterbatch, 30% moisture absorbing masterbatch are prepared from；High air permeable waterproof polyethylene layer is by weight
Amount percentages, are prepared from by the high breathable polyethylene of 45% metallocene linear low density, 55% polyethylene from high pressure process.
Embodiment 3
A kind of high ventilative water lock diaphragm, from top to bottom includes that high air-and water-permeable polyethylene layer 1, high ventilative water lock gather successively
Pvdf layer 2, high air permeable waterproof polyethylene layer 3, the thickness of high air-and water-permeable polyethylene layer 1 is 7um, high ventilative water lock polyethylene layer
Thickness be 15um；The thickness of high air permeable waterproof polyethylene layer is 7um.Wherein, high air-and water-permeable polyethylene layer adopts high gas
Through filter polyethylene material and calcium carbonate masterbatch composition.By weight percentage, high ventilative poly- by 55% metallocene linear low density
Ethene, 45% calcium carbonate masterbatch are prepared from；High ventilative water lock polyethylene layer is by weight percentage, low by 55% metallocene linear
The high breathable polyethylene of density, 25% calcium carbonate masterbatch, 20% moisture absorbing masterbatch are prepared from；High air permeable waterproof polyethylene layer is by weight
Amount percentages, are prepared from by the high breathable polyethylene of 55% metallocene linear low density, 45% polyethylene from high pressure process.
The ventilative water lock diaphragm of height that the utility model is provided, film blowing device require to add stretching device before winding；Choosing
Ventilative masterbatch and water lock masterbatch are prepared from, and the calcium carbonate containing part in air-permeable masterbatch, in process through one
The stretching of certainty ratio forms micropore so as to reach the purpose of waterproof and breathable, and moisture absorption masterbatch is mainly used in film or container to be needed
Traditional drier is substituted on the product of moisture absorbing, can form reaction to the moisture of package interior and inhale after the processing of moisture absorption masterbatch
Receive, the drying of package interior had so not only been can guarantee that while but also not affecting the appearance.High ventilative water lock diaphragm of the present utility model is saturating
Gas excellent performance, water lock effect are good.
Applicant states that above content is only preferred embodiment of the present utility model, for the ordinary skill people of this area
Member, according to thought of the present utility model, will change, this specification content in specific embodiments and applications
Should not be construed as to restriction of the present utility model.
Claims (5)
1. a kind of high ventilative water lock diaphragm, it is characterised in that：From top to bottom include high air-and water-permeable polyethylene layer successively（1）、
High ventilative water lock polyethylene layer（2）, high air permeable waterproof polyethylene layer（3）；The high air-and water-permeable polyethylene layer（1）Using interpolation
The high breathable polyethylene film of the metallocene linear low density of calcium carbonate masterbatch；The high ventilative water lock polyethylene layer（2）Using interpolation
Calcium carbonate masterbatch, the high breathable polyethylene film of metallocene linear low density of moisture absorption masterbatch.
2. high ventilative water lock diaphragm according to claim 1, it is characterised in that：The high air-and water-permeable polyethylene layer
（1）Thickness be 3 ~ 7 μm.
3. high ventilative water lock diaphragm according to claim 1, it is characterised in that：The high ventilative water lock polyethylene layer
（2）Thickness be 10 ~ 20 μm.
4. high ventilative water lock diaphragm according to claim 1, it is characterised in that：The high air permeable waterproof polyethylene layer
（3）Thickness be 3 ~ 7 μm.
5. high ventilative water lock diaphragm according to claim 1, it is characterised in that：The high air permeable waterproof polyethylene layer
（3）Using the high breathable polyethylene film of the metallocene linear low density for adding polyethylene from high pressure process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620509830.1U CN206011918U (en) | 2016-05-31 | 2016-05-31 | A kind of high ventilative water lock diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620509830.1U CN206011918U (en) | 2016-05-31 | 2016-05-31 | A kind of high ventilative water lock diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206011918U true CN206011918U (en) | 2017-03-15 |
Family
ID=58241329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620509830.1U Expired - Fee Related CN206011918U (en) | 2016-05-31 | 2016-05-31 | A kind of high ventilative water lock diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206011918U (en) |
-
2016
- 2016-05-31 CN CN201620509830.1U patent/CN206011918U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20180531 |