CN204184192U - Multi-layer co-extruded plastics fuel tank - Google Patents
Multi-layer co-extruded plastics fuel tank Download PDFInfo
- Publication number
- CN204184192U CN204184192U CN201420592127.2U CN201420592127U CN204184192U CN 204184192 U CN204184192 U CN 204184192U CN 201420592127 U CN201420592127 U CN 201420592127U CN 204184192 U CN204184192 U CN 204184192U
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- fuel tank
- density polyethylene
- high density
- adhesive phase
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Abstract
The utility model provides a kind of multi-layer co-extruded plastics fuel tank, and be that high density polyethylene layer is bonded with barrier layer by adhesive phase, barrier layer is bonded with high density polyethylene layer by adhesive phase again, makes its co-extrusion form the Structural layer of five layers; Wherein the thickness of high density polyethylene layer is 3 ~ 5 ㎜; The thickness of barrier layer is 0.4 ~ 0.8 ㎜; The thickness of adhesive phase is 0.1 ~ 0.2 ㎜, uses this Structural layer to make fuel tank.The Structural layer of five layers has complementary functions, and wherein high density polyethylene layer is as matrix, has high strength and high tenacity; Together, not easily delamination, is easy to co-extrusion modling to the material binding that adhesive phase makes two kinds of adjacent compatibilities bad; Barrier layer processability is good, plays excellent iris action to oxygen, gasoline.The utility model structure is simple, adopts the structure of five-layer co-squeezing effectively can intercept gasoline and diesel oil infiltration, makes fuel tank of vehicle reach the resistance permeation requirements of professional standard.
Description
Technical field
The utility model relates to the fuel tank of automobile, specifically a kind of multi-layer co-extruded plastics fuel tank.
Background technology
Plastic fuel tank have quality light, be easy to the advantages such as forming work, freedom of design in configuration are large, withstanding corrosion, be widely used in manned vehicle.But plastic fuel tank generally adopts high-density polyethylene material, it has the aliphatic hydrocarbon chemical constitution similar to fuel oil, and during use, gasoline is by inwall diffusion to extraneous, and namely often anti-permeability is poor for individual layer high density polyethylene (HDPE).
At present, the requirement that performance is oozed to plastic fuel tank resistance in China is more and more stricter, and this just makes monolayer polyethylene plastic fuel tank more and more be difficult to meet the demands.
Summary of the invention
The purpose of this utility model is the deficiency overcoming the existing resistance penetrating quality of individual layer fuel tank of vehicle, a kind of multi-layer co-extruded plastics fuel tank of special proposition.
The technical solution of the utility model is for this reason, multi-layer co-extruded plastics fuel tank, comprise high density polyethylene layer, it is characterized in that: high density polyethylene layer is bonded with barrier layer by adhesive phase, barrier layer is bonded with high density polyethylene layer by adhesive phase again, its co-extrusion is made to form the Structural layer of five layers, use this Structural layer to make fuel tank.
The improvement of such scheme is: the thickness of high density polyethylene layer is 3 ~ 5mm.
The improvement of such scheme is: barrier layer is one or more in ethylene-vinyl alcohol copolymer EVOH, PVAC polyvinylalcohol, PEN PEN, and its thickness is 0.4 ~ 0.8 ㎜.
The improvement of such scheme is: adhesives adopts E.I.Du Pont Company's product " Surlyn resin " as the trade mark 1652,1650 or 1705 etc., and the thickness of adhesive phase is 0.1 ~ 0.2 ㎜.
Beneficial effect:
During the utility model is new, the Structural layer of five layers has complementary functions, and wherein high density polyethylene layer is as matrix, has high strength and high tenacity; Together, not easily delamination, is easy to co-extrusion modling to the material binding that adhesive phase makes two kinds of adjacent compatibilities bad; Barrier layer processability is good, plays excellent iris action to oxygen, gasoline.
Wherein the thickness of high density polyethylene is the intensity that 3 ~ 5 ㎜ ensure that product.
Adhesive phase is homogeneity and the solidity that 0.1 ~ 0.2 ㎜ ensure that bonding effect.
Barrier layer is about 0.4 ~ 0.8 ㎜, effectively can intercept gasoline and diesel oil infiltration
The utility model structure is simple, adopts the Structural layer of five-layer co-squeezing effectively can intercept gasoline and diesel oil infiltration, makes fuel tank of vehicle reach the resistance permeation requirements of professional standard.
Accompanying drawing explanation
Fig. 1 is section structure schematic diagram of the present utility model.
In figure, 1,5 is high density polyethylene layers, and 2,4 is adhesive phases, and 3 is barrier layers.
Detailed description of the invention
The utility model as shown in Figure 1.
Multi-layer co-extruded plastics fuel tank, high density polyethylene layer 1,5 is bonded with barrier layer 3 by adhesive phase 2,4, its distributing order is: high density polyethylene layer 1 is bonded with barrier layer 3 by adhesive phase 2, barrier layer 3 is bonded with high density polyethylene layer 5 by 4 layers, adhesives again, make its co-extrusion form the Structural layer of five layers, use this Structural layer to make fuel tank.
The thickness of high density polyethylene layer 1,5 is 3 ~ 5 ㎜.
The thickness of barrier layer 3 is 0.4 ~ 0.8 ㎜.
The thickness of adhesive phase 2,4 is 0.1 ~ 0.2 ㎜.
Adhesives adopts E.I.Du Pont Company's product " Surlyn resin " as the trade mark 1652,1650 or 1705 etc., and the thickness of adhesive phase is 0.1 ~ 0.2 ㎜.
Be 4 ㎜ when concrete use at the thickness of high density polyethylene layer, the thickness of adhesive phase 2,4 and barrier layer 3 is respectively 0.1 and 0.4 ㎜.
This multi-layer co-extruded plastics fuel tank, its durchgriff is less than 0.15g/24h, and its effect performance is much better than individual layer high density polyethylene (HDPE).
Claims (4)
1. multi-layer co-extruded plastics fuel tank, comprise high density polyethylene layer, it is characterized in that: high density polyethylene layer is bonded with barrier layer by adhesive phase, barrier layer is bonded with high density polyethylene layer by adhesive phase again, make its co-extrusion form the Structural layer of five layers, use this Structural layer to make fuel tank.
2. multi-layer co-extruded plastics fuel tank according to claim 1, is characterized in that: the thickness of high density polyethylene layer is 3 ~ 5 ㎜.
3. multi-layer co-extruded plastics fuel tank according to claim 1, is characterized in that: barrier layer is one or more in ethylene-vinyl alcohol copolymer EVOH, PVAC polyvinylalcohol, PEN PEN, and its thickness is 0.4 ~ 0.8 ㎜.
4. multi-layer co-extruded plastics fuel tank according to claim 1, is characterized in that: adhesives adopts E.I.Du Pont Company's product " Surlyn resin ", and the trade mark is 1652,1650 or 1705, and the thickness of adhesive phase is 0.1 ~ 0.2 ㎜.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420592127.2U CN204184192U (en) | 2014-10-14 | 2014-10-14 | Multi-layer co-extruded plastics fuel tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420592127.2U CN204184192U (en) | 2014-10-14 | 2014-10-14 | Multi-layer co-extruded plastics fuel tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204184192U true CN204184192U (en) | 2015-03-04 |
Family
ID=52616219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420592127.2U Expired - Fee Related CN204184192U (en) | 2014-10-14 | 2014-10-14 | Multi-layer co-extruded plastics fuel tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204184192U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802637A (en) * | 2015-03-25 | 2015-07-29 | 北京航空航天大学 | Multi-layer plastic fuel tank based on cocoons |
-
2014
- 2014-10-14 CN CN201420592127.2U patent/CN204184192U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802637A (en) * | 2015-03-25 | 2015-07-29 | 北京航空航天大学 | Multi-layer plastic fuel tank based on cocoons |
| CN104802637B (en) * | 2015-03-25 | 2017-06-23 | 北京航空航天大学 | Laminated plastics fuel tank based on silk cocoon |
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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: 20150304 Termination date: 20171014 |