CN210062259U - High-barrier strong composite film - Google Patents
High-barrier strong composite film Download PDFInfo
- Publication number
- CN210062259U CN210062259U CN201920181613.8U CN201920181613U CN210062259U CN 210062259 U CN210062259 U CN 210062259U CN 201920181613 U CN201920181613 U CN 201920181613U CN 210062259 U CN210062259 U CN 210062259U
- Authority
- CN
- China
- Prior art keywords
- layer
- film
- flame
- retardant
- barrier
- 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
Images
Abstract
The utility model relates to a plastic film technical field especially relates to a high resistant powerful complex film that separates, by first film and the complex film that the second film formed through heating pressfitting, first film and second film are equipped with first fire-retardant layer, first bond line, first barrier layer, second bond line, second barrier layer, third bond line and the fire-retardant layer of second respectively by skin to the inlayer. The utility model provides a complex film product mechanical properties is good in practical application, and tensile strength is high, and resistant puncture effect, oxygen blocking and water blocking effect are excellent.
Description
Technical Field
The utility model relates to a plastic film technical field especially relates to a high resistant separates powerful complex film.
Background
With the popularization and application of slope roof cushion layers in large areas throughout the country, in order to meet the requirement of high-speed development of the basic construction industry in China, the waterproof industry continuously develops and applies the high polymer modified asphalt waterproof coiled material, and the development is made from the waterproof material with single performance to the composite waterproof direction of the coiled material and the thin film. The polyethylene axial strong cross composite membrane used in the production of the self-adhesive waterproof coiled material and the modified asphalt waterproof coiled material is an indispensable material in the production and the use of the modern waterproof coiled material.
However, all the strong cross membranes used by the waterproof roll production enterprises at home and abroad are HDPE strong cross membranes, the common HDPE membranes have poor oil resistance, organic solvent resistance and oxygen and gas barrier properties, and when the high-VOC cross membranes are used in the fields of building materials of common environment or geotechnical waterproofing and the like, the barrier property of the common polyethylene strong cross membranes cannot meet the requirements and the flame retardant property is poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: aiming at the defects of the prior art, the high-barrier strong composite film is provided, and has the advantages of good mechanical property, high tensile strength, excellent puncture resistance effect, excellent oxygen and water blocking effect.
In order to solve the technical problem, the technical scheme of the utility model is that:
a high-barrier strong composite film is a composite film formed by heating and laminating a first film and a second film, wherein the first film and the second film are respectively provided with a first flame-retardant layer, a first adhesive layer, a first barrier layer, a second adhesive layer, a second barrier layer, a third adhesive layer and a second flame-retardant layer from an outer layer to an inner layer.
As an improved technical scheme, the first flame-retardant layer is a halogen flame retardant and HDPE composite flame-retardant layer formed by HDPE and halogen flame retardant.
As an improved technical scheme, the second flame-retardant layer is a phosphorus flame retardant and HDPE composite flame-retardant layer formed by HDPE and a phosphorus flame retardant.
As an improved technical scheme, the first barrier layer is a PA layer.
As an improved technical scheme, the second barrier layer is a PET layer.
As an improved technical scheme, the thicknesses of the first film and the second film are respectively 100-150 μm, and the thickness ratio of the first flame-retardant layer, the first adhesive layer, the first barrier layer, the second adhesive layer, the second barrier layer, the third adhesive layer and the second flame-retardant layer is 4:1:2:1:4:1: 2.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
because the high-barrier powerful composite film is a composite film formed by heating and laminating a first film and a second film, the first film and the second film are respectively provided with a first flame-retardant layer, a first adhesive layer, a first barrier layer, a second adhesive layer, a second barrier layer and a second flame-retardant layer from an outer layer to an inner layer. Wherein the first flame-retardant layer is a halogen flame retardant and HDPE composite flame-retardant layer formed by HDPE and halogen flame retardant. The second flame-retardant layer is a phosphorus flame retardant and HDPE composite flame-retardant layer formed by HDPE and phosphorus flame retardant. The first flame-retardant layer and the second flame-retardant layer are designed to enable the composite film to have fire resistance; the first barrier layer is a PA layer; the PA is used as a VOC (volatile organic compound) barrier material, has good gas barrier property and temperature resistance, has high tensile strength and puncture resistance, and improves the temperature resistance, barrier property and physical and mechanical properties of the single HDPE strong composite film. And the PA belongs to a rigid material, the high-barrier strong crossed film has good stiffness and a higher melting point than HDPE, plays a role of a reinforcing rib in the middle layer, is not easy to wrinkle when being compounded with a waterproof coiled material at high temperature, is convenient to compound during production and is convenient to lay during use. The second barrier layer is a PET layer. PET has better gas barrier property, and the first barrier layer and the second barrier layer have synergistic effect, so that the barrier properties of the product such as oxygen resistance, water resistance and the like are greatly improved. The utility model discloses a powerful complex film of high resistant separation can effectively prevent volatilizing of poisonous solvents such as benzene, toluene, acetone, especially is fit for fields such as industrial waterproofing pond, waterproofing membrane, high resistant separation high strength food package for the landfill.
Drawings
FIG. 1 is a schematic structural view of a high-barrier strong composite membrane of the present invention;
fig. 2 is a schematic cross-sectional structure view of a first thin film of a high-barrier strong composite film according to the present invention;
the flame-retardant adhesive comprises, by weight, 1-a first flame-retardant layer, 2-a first adhesive layer, 3-a first barrier layer, 4-a second adhesive layer, 5-a second barrier layer, 6-a third adhesive layer, and 7-a second flame-retardant layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A high-barrier strength composite film is a composite film formed by heating and laminating a first film and a second film, wherein the first film and the second film are respectively provided with a first flame-retardant layer 1 (a halogen flame retardant and HDPE composite flame-retardant layer formed by HDPE and halogen flame retardant), a first adhesive layer 2, a first barrier layer 3 (a PA layer), a second adhesive layer 4, a second barrier layer 5 (a PET layer), a third adhesive layer and a second flame-retardant layer 7 (a phosphorus flame retardant and HDPE composite flame-retardant layer formed by HDPE and phosphorus flame retardant) from an outer layer to an inner layer, as shown in figures 1 and 2.
In actual production, a first flame-retardant layer, a first adhesive layer, a first blocking layer, a second adhesive layer, a second blocking layer, a third adhesive layer and a second flame-retardant layer are arranged on a first film and a second film to process the first film and the second film, the first film and the second film are obliquely cut into sheet films at an angle of 45 degrees through a spiral cutting machine, and after the first film and the second film are hot-pressed and compounded through a special device, a 90-degree included angle is formed between the molecular orientation of the first film and the molecular orientation of the second film. The first film and the second film are respectively provided with 4 functional layers, wherein the first flame-retardant layer and the second flame-retardant layer are designed, the first film or the second film has flame-retardant characteristics under the synergistic action of the first film and the second film, the first barrier layer and the second barrier layer are designed, the first film or the second film has better oxygen-blocking, water-blocking and other performances under the synergistic action of the first film and the second film, and the composite film product is formed by heating and pressing the first film and the second film, so the composite film product has better flame-retardant performance and barrier performance, and the applicability of the product is greatly improved.
Will the product in the utility model and the powerful cross membrane's of ordinary HDPE performance testing result among the prior art contrast as follows:
can discover through the data in table 1, the utility model provides a complex film product compares with the powerful complex film product of ordinary HDPE, the utility model discloses its anti puncture ability of well complex film product hinders oxygen ability, and tensile strength and elongation at break will be superior to the powerful complex film product of ordinary HDPE.
The thickness of the first film and the thickness of the second film are 100-150 micrometers respectively, and the thickness ratio of the first flame-retardant layer to the first adhesive layer to the first barrier layer to the second adhesive layer to the second barrier layer to the second flame-retardant layer is 4:1:2:1:4:1: 2. In actual production, the composite film product is processed according to the thickness of each layer.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a powerful complex film of high resistant separation, is through the complex film that the heating pressfitting formed by first film and second film which characterized in that: the first film and the second film are respectively provided with a first flame-retardant layer, a first bonding layer, a first barrier layer, a second bonding layer, a second barrier layer, a third bonding layer and a second flame-retardant layer from the outer layer to the inner layer.
2. A high barrier strength composite membrane according to claim 1, wherein: the first flame-retardant layer is a halogen flame retardant and HDPE composite flame-retardant layer formed by HDPE and halogen flame retardant.
3. A high barrier strength composite membrane according to claim 1, wherein: the second flame-retardant layer is a phosphorus flame retardant and HDPE composite flame-retardant layer formed by HDPE and phosphorus flame retardant.
4. A high barrier strength composite membrane according to claim 1, wherein: the first barrier layer is a PA layer.
5. A high barrier strength composite membrane according to claim 1, wherein: the second barrier layer is a PET layer.
6. A high barrier strength composite membrane according to claim 1, wherein: the thicknesses of the first film and the second film are respectively 100-150 micrometers, and the thickness ratio of the first flame-retardant layer to the first adhesive layer to the first barrier layer to the second adhesive layer to the second barrier layer to the third adhesive layer to the second flame-retardant layer is 4:1:2:1:4:1: 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920181613.8U CN210062259U (en) | 2019-02-01 | 2019-02-01 | High-barrier strong composite film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920181613.8U CN210062259U (en) | 2019-02-01 | 2019-02-01 | High-barrier strong composite film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210062259U true CN210062259U (en) | 2020-02-14 |
Family
ID=69432388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920181613.8U Active CN210062259U (en) | 2019-02-01 | 2019-02-01 | High-barrier strong composite film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210062259U (en) |
-
2019
- 2019-02-01 CN CN201920181613.8U patent/CN210062259U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107586411B (en) | High-puncture-strength high-polarity flame-retardant waterproof sheet and preparation method thereof | |
| CN105870237B (en) | Co-extruded one-time formed backplate with three-layer structure for solar cell module | |
| CN112029185B (en) | High-strength and puncture-resistant geomembrane and preparation method and application thereof | |
| CN103568416A (en) | Film-coated continuous fiber/ thermoplastic plastic composite board as well as preparation method thereof | |
| WO2002066246A1 (en) | Breathable nonwoven/film laminate | |
| CN210062259U (en) | High-barrier strong composite film | |
| CN102528998A (en) | Preparation method of ultra high molecular weight polyethylene bulletproof helmet | |
| JP5549310B2 (en) | Tarpaulin | |
| CN113717540B (en) | Thermoplastic polyolefin waterproof coiled material and preparation method thereof | |
| WO2002075071A1 (en) | A membrane, in particular a waterproofing membrane, and a method of producing a membrane, in particular a waterproofing membrane | |
| CN202648533U (en) | Anti-stab and bullet resistant material and clothes applying same | |
| CN102538589A (en) | Ultrahigh molecular weight polyethylene bulletproof plate | |
| CN107082971A (en) | A kind of flame retardant type PVC waterproof rolls | |
| KR101736690B1 (en) | Multi-layer co-extrued film for asphalt waterproofing sheet and manufacturing method thereof | |
| US20120178322A1 (en) | Coated fabric and related methods therefor | |
| CN201381559Y (en) | Polyethylene water-proof coiled material | |
| CN205800405U (en) | A kind of composite sheet | |
| CN113601931B (en) | Heavy packaging film and preparation method thereof | |
| CN209224646U (en) | Adhesive polymer composite of water-proof coiled material | |
| CN208392814U (en) | A kind of high barrier low transparency moisture proof PET composite membrane | |
| KR101320831B1 (en) | Copolymer composition for forming sealable layer of non-solvent heat sealable biaxially oriented film and non-solvent heat sealable biaxially oriented film using the same | |
| CN202559604U (en) | Macromolecular self-adhering composite waterproof roll | |
| CN219732350U (en) | Waterproof coiled material structure with high waterproof performance | |
| CN106252441A (en) | A kind of photovoltaic component back plate | |
| CN206287591U (en) | A kind of superelevation is intercepted and can recycle envelope material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |