CN204785121U - Compound pipe of polyolefin multilayer - Google Patents
Compound pipe of polyolefin multilayer Download PDFInfo
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- CN204785121U CN204785121U CN201520305316.1U CN201520305316U CN204785121U CN 204785121 U CN204785121 U CN 204785121U CN 201520305316 U CN201520305316 U CN 201520305316U CN 204785121 U CN204785121 U CN 204785121U
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Abstract
The utility model discloses a compound pipe of polyolefin multilayer, including outer and set up the inlayer on this outer inner wall surface, and this skin once is total to extrusion moulding with the inlayer, this skin is the modified PVDF functional layer of fourth, and this inlayer is the polyolefin layer. The utility model provides a compound pipe of polyolefin multilayer has self -cleaning and sterilization function, has still just that weather resistance is good, the good advantage of going with barrier properties of corrosion resisting property.
Description
Technical field
The utility model relates to a kind of composite pipe, particularly relates to a kind of polyolefin multi-layer composite pipe.
Background technique
Polyolefin pipe, because of advantages such as its good specific strength, toughness and wholesomenesses, is all widely used at building, food, chemical field.Polyolefin pipe itself meets hygienic requirements, but himself there is no self-cleaning and function that is sterilizing, under the environment of building field domestic water, the pollution at water source, the backward technique of waterworks and pipe network thereof outmoded unreasonable, polyolefin pipe in use for some time, inner tube wall secondary pollution is serious and form incrustation scale, and inner tube wall can become bacterium algae grow ground, serious threat is to health.In addition, also there is the defect of weather resistance difference, poor corrosion resistance and barrier property difference in polyolefin pipe, these all result in polyolefin pipe and can not be used in outdoor or chemical field, greatly limit the using scope of polyolefin pipe.
Summary of the invention
The technical problems to be solved in the utility model is, for above-mentioned defect of the prior art, provides a kind of and has that self-cleaning and sterilizing function, weather resistance are good, corrosion resistance and good and the good polyolefin multi-layer composite pipe of barrier property.
The utility model is for solving the problems of the technologies described above, and its technological scheme adopted is as follows:
A kind of polyolefin multi-layer composite pipe, comprises skin and is arranged on the internal layer of outer field inner wall surface, and outer and internal layer co-extrusion modling;
Skin is polyolefin Primary layer, and internal layer is the first modification PVDF functional layer.
In polyolefin multi-layer composite pipe described in the utility model, because PVDF modified resin has outstanding self-cleaning function and remarkable anticorrosion weatherability, adopt the first modification PVDF functional layer as internal layer, can effectively prevent incrustation scale and Homonemeae material from adhering at the inner tube wall of described polyolefin multi-layer composite pipe, greatly strengthen the self-cleaning and sterilizing function of described polyolefin multi-layer composite pipe, contribute to improving its weather resistance and decay resistance, also can stop fouling and bacterium algae attachment grow the water pollution once again caused.
Improve as to the one of technological scheme described in the utility model, said polyolefins Primary layer outer surface is provided with the second modification PVDF functional layer.At said polyolefins Primary layer outer surface, the second modification PVDF functional layer is set, make the outer surface of described polyolefin multi-layer composite pipe also have stronger self-cleaning and sterilizing function, also contribute to weather resistance and the decay resistance of the outer surface strengthening described polyolefin multi-layer composite pipe.
Improve as to the one of technological scheme described in the utility model, between said polyolefins Primary layer and the second modification PVDF functional layer, be provided with the first functional polymer composite layer.
Improve as to the one of technological scheme described in the utility model, between above-mentioned first modification PVDF functional layer and polyolefin Primary layer, be provided with the second functional polymer composite layer.
Improve as to the one of technological scheme described in the utility model, said polyolefins Primary layer outer surface is provided with the 3rd modification PVDF functional layer.Same as above, the 3rd modification PVDF functional layer, makes the outer surface of described polyolefin multi-layer composite pipe also have stronger self-cleaning and sterilizing function, also contributes to weather resistance and the decay resistance of the outer surface strengthening described polyolefin multi-layer composite pipe.
Improve as to the one of technological scheme described in the utility model, between said polyolefins Primary layer and the 3rd modification PVDF functional layer, be provided with the 3rd functional polymer composite layer.
For solving the problems of the technologies described above, the utility model additionally provides the polyolefin multi-layer composite pipe of another kind of structure, and its concrete technological scheme adopted is as follows:
A kind of polyolefin multi-layer composite pipe, comprises skin and is arranged on the internal layer of this outer field inner wall surface, and this skin and internal layer co-extrusion modling;
This skin is the 4th modification PVDF functional layer, and this internal layer is polyolefin layer.
In polyolefin multi-layer composite pipe described in the utility model, adopt the 4th modification PVDF functional layer as skin, also the outer surface of described polyolefin multi-layer composite pipe can be made also to have stronger self-cleaning and sterilizing function, and weather resistance and the decay resistance of its outer surface also increase.
Preferably, the 4th functional polymer composite layer is provided with between said polyolefins layer and the 4th modification PVDF functional layer.
Preferably, above-mentioned first modification PVDF functional layer, the second modification PVDF functional layer, the 3rd modification PVDF functional layer or the 4th modification PVDF functional layer are acrylate layer or are the modification PVDF resin layer that with the addition of ultraviolet ray resistant opacifier.
In polyolefin multi-layer composite pipe described in the utility model, above-mentioned first modification PVDF functional layer, the second modification PVDF functional layer, the 3rd modification PVDF functional layer or the 4th modification PVDF functional layer are chosen as acrylate layer, the inner tube wall of described polyolefin multi-layer composite pipe and outer surface is made all to have self-cleaning and sterilizing function, and its weather resistance and corrosion resistance and good; In addition, adopt the modification PVDF resin layer that with the addition of ultraviolet ray resistant opacifier as the first modification PVDF functional layer, the second modification PVDF functional layer, the 3rd modification PVDF functional layer or the 4th modification PVDF functional layer, make the inner tube wall of described polyolefin multi-layer composite pipe and outer surface have reasonable barrier property and weather resistance.
Preferably, above-mentioned first functional polymer composite layer, the second functional polymer composite layer, the 3rd functional polymer composite layer or the 4th functional polymer composite layer are by one or more the blended modified resin made all had with modification PVDF and polyolefin in the improved polyalkene of compatibility, polyacrylic resin, modification PVDF layer, polyolefin layer.
First functional polymer composite layer, second functional polymer composite layer, 3rd functional polymer composite layer or the 4th functional polymer composite layer are as transition layer, and by this first functional polymer composite layer, second functional polymer composite layer, 3rd functional polymer composite layer or the 4th functional polymer composite layer are chosen as improved polyalkene, polyacrylic resin, modification PVDF layer, one or more blended modified resin made in polyolefin layer, effectively improve the barrier property of described polyolefin multi-layer composite pipe, and the compound sticking power also enhanced between above-mentioned each modification PVDF functional layer and polyolefin layer, during to guarantee cold and hot change, each interlayer does not deform delamination, thus extend the working life of described polyolefin multi-layer composite pipe, ensure that the quality of product.
Preferably, said polyolefins Primary layer or polyolefin layer are by one or more resin layers made in polypropylene, polyethylene, polyethylene elastomer, polypropylene elastomer or its co-polymer.
In addition, in technological scheme described in the utility model, to be allly not specifically noted, all by adopting the conventional means in related domain to realize the technical program.
Therefore, the polyolefin multi-layer composite pipe that the utility model provides has self-cleaning and sterilizing function, and also have that weather resistance is good, corrosion resistance and good and the good advantage of barrier property.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation of polyolefin multi-layer composite pipe in embodiment one;
Fig. 2 is the structural representation of polyolefin multi-layer composite pipe in embodiment two;
Fig. 3 is the structural representation of polyolefin multi-layer composite pipe in embodiment three;
Fig. 4 is the structural representation of polyolefin multi-layer composite pipe in embodiment four;
Fig. 5 is the structural representation of polyolefin multi-layer composite pipe in embodiment five;
Fig. 6 is the structural representation of polyolefin multi-layer composite pipe in embodiment six;
Fig. 7 is the structural representation of polyolefin multi-layer composite pipe in embodiment seven;
Fig. 8 is the structural representation of polyolefin multi-layer composite pipe in embodiment eight;
In accompanying drawing, 1 is polyolefin Primary layer, 2 is the first modification PVDF functional layer, and 3 is the second modification PVDF functional layer, and 4 is the first functional polymer composite layer, 5 is the second functional polymer composite layer, 6 is the 3rd modification PVDF functional layer, and 7 is the 3rd functional polymer composite layer, and 8 is the 4th modification PVDF functional layer, 9 is polyolefin layer, and 10 is the 4th functional polymer composite layer.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment one:
A kind of polyolefin multi-layer composite pipe, as shown in Figure 1, comprises skin and is arranged on the internal layer of this outer field inner wall surface, and this skin and internal layer co-extrusion modling; Wherein, this skin is polyolefin Primary layer 1, and this internal layer is the first modification PVDF functional layer 2.
In the present embodiment, said polyolefins Primary layer 1 is by one or more resin layers made in polypropylene, polyethylene, polyethylene elastomer, polypropylene elastomer or its co-polymer, and above-mentioned first modification PVDF functional layer 2 is acrylate layer.
Embodiment two:
The present embodiment is substantially identical with embodiment one, and the difference of the two is:
A kind of polyolefin multi-layer composite pipe, as shown in Figure 2, is provided with the second modification PVDF functional layer 3 at said polyolefins Primary layer 1 outer surface.
In the present embodiment, above-mentioned second modification PVDF functional layer 3 is for the addition of the modification PVDF resin layer of ultraviolet ray resistant opacifier.
Embodiment three:
The present embodiment is substantially identical with embodiment two, and the difference of the two is:
A kind of polyolefin multi-layer composite pipe, as shown in Figure 3, is provided with the first functional polymer composite layer 4 between said polyolefins Primary layer 1 and the second modification PVDF functional layer 3.
In the present embodiment, above-mentioned first functional polymer composite layer 4 is by one or more the blended modified resin made in improved polyalkene, polyacrylic resin, modification PVDF layer, polyolefin layer.
Embodiment four:
The present embodiment is substantially identical with embodiment one, and the difference of the two is:
A kind of polyolefin multi-layer composite pipe, as shown in Figure 4, is provided with the second functional polymer composite layer 5 between above-mentioned first modification PVDF functional layer 2 and polyolefin Primary layer 1.
In the present embodiment, above-mentioned second functional polymer composite layer 5 is by one or more the blended modified resin made in improved polyalkene, polyacrylic resin, modification PVDF layer, polyolefin layer.
Embodiment five:
The present embodiment is substantially identical with embodiment four, and the difference of the two is:
A kind of polyolefin multi-layer composite pipe, as shown in Figure 5, said polyolefins Primary layer 1 outer surface is provided with the 3rd modification PVDF functional layer 6.
In the present embodiment, above-mentioned 3rd modification PVDF functional layer 6 is for the addition of the modification PVDF resin layer of ultraviolet ray resistant opacifier.
Embodiment six:
The present embodiment is substantially identical with embodiment five, and the difference of the two is:
A kind of polyolefin multi-layer composite pipe, as shown in Figure 6, is provided with the 3rd functional polymer composite layer 7 between said polyolefins Primary layer 1 and the 3rd modification PVDF functional layer 6.
In the present embodiment, above-mentioned 3rd functional polymer composite layer 7 is by one or more the blended modified resin made in improved polyalkene, polyacrylic resin, modification PVDF layer, polyolefin layer.
Embodiment seven:
A kind of polyolefin multi-layer composite pipe, as shown in Figure 7, comprises skin and is arranged on the internal layer of this outer field inner wall surface, and this skin and internal layer co-extrusion modling; Wherein, this skin is the 4th modification PVDF functional layer 8, and this internal layer is polyolefin layer 9.
In the present embodiment, above-mentioned 4th modification PVDF functional layer 8 is for the addition of the modification PVDF resin layer of ultraviolet ray resistant opacifier, and said polyolefins layer 9 is by one or more resin layers made in polypropylene, polyethylene, polyethylene elastomer, polypropylene elastomer or its co-polymer.
Embodiment eight:
The present embodiment is substantially identical with embodiment seven, and the difference of the two is:
A kind of polyolefin multi-layer composite pipe, as shown in Figure 8, is provided with the 4th functional polymer composite layer 10 between said polyolefins layer 9 and the 4th modification PVDF functional layer 8.
In the present embodiment, above-mentioned 4th functional polymer composite layer 10 is by one or more the blended modified resin made in improved polyalkene, polyacrylic resin, modification PVDF layer, polyolefin layer.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to the utility model claims.
Claims (9)
1. a polyolefin multi-layer composite pipe, is characterized in that, comprises skin and is arranged on the internal layer of described outer field inner wall surface, and described skin and internal layer co-extrusion modling;
Described skin is polyolefin Primary layer (1), and described internal layer is the first modification PVDF functional layer (2).
2. polyolefin multi-layer composite pipe according to claim 1, is characterized in that, described polyolefin Primary layer (1) outer surface is provided with the second modification PVDF functional layer (3).
3. polyolefin multi-layer composite pipe according to claim 2, is characterized in that, is provided with the first functional polymer composite layer (4) between described polyolefin Primary layer (1) and the second modification PVDF functional layer (3).
4. polyolefin multi-layer composite pipe according to claim 1, is characterized in that, is provided with the second functional polymer composite layer (5) between described first modification PVDF functional layer (2) and polyolefin Primary layer (1).
5. polyolefin multi-layer composite pipe according to claim 4, is characterized in that, described polyolefin Primary layer (1) outer surface is provided with the 3rd modification PVDF functional layer (6).
6. polyolefin multi-layer composite pipe according to claim 5, is characterized in that, is provided with the 3rd functional polymer composite layer (7) between described polyolefin Primary layer (1) and the 3rd modification PVDF functional layer (6).
7. a polyolefin multi-layer composite pipe, is characterized in that, comprises skin and is arranged on the internal layer of described outer field inner wall surface, and described skin and internal layer co-extrusion modling;
Described skin is the 4th modification PVDF functional layer (8), and described internal layer is polyolefin layer (9).
8. polyolefin multi-layer composite pipe according to claim 7, is characterized in that, is provided with the 4th functional polymer composite layer (10) between described polyolefin layer (9) and the 4th modification PVDF functional layer (8).
9. according to the polyolefin multi-layer composite pipe in claim 1 ~ 8 described in any one, it is characterized in that, described first modification PVDF functional layer (2), the second modification PVDF functional layer (3), the 3rd modification PVDF functional layer (6) or the 4th modification PVDF functional layer (8) are for acrylate layer or be the modification PVDF resin layer that with the addition of ultraviolet ray resistant opacifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520305316.1U CN204785121U (en) | 2015-05-12 | 2015-05-12 | Compound pipe of polyolefin multilayer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520305316.1U CN204785121U (en) | 2015-05-12 | 2015-05-12 | Compound pipe of polyolefin multilayer |
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| CN204785121U true CN204785121U (en) | 2015-11-18 |
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| CN201520305316.1U Active CN204785121U (en) | 2015-05-12 | 2015-05-12 | Compound pipe of polyolefin multilayer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107166112A (en) * | 2017-04-21 | 2017-09-15 | 山东冠通管业有限公司 | Flexible composite pipe and preparation method thereof |
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2015
- 2015-05-12 CN CN201520305316.1U patent/CN204785121U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107166112A (en) * | 2017-04-21 | 2017-09-15 | 山东冠通管业有限公司 | Flexible composite pipe and preparation method thereof |
| CN107166112B (en) * | 2017-04-21 | 2019-07-26 | 山东冠通管业有限公司 | Flexible composite pipe and preparation method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 211212, Jiangsu Nanjing District, Lishui Province East screen town industrial concentration area Patentee after: NANJING JINGMIAO ENERGY SAVING MATERIALS CO.,LTD. Address before: 211212, Jiangsu Nanjing District, Lishui Province East screen town industrial concentration area Patentee before: NANJING JINGMIAO ENERGY SAVING MATERIAL CO.,LTD. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20221214 Address after: 201616 Room 720, Building 29, No. 1, Dingyuan Road, Songjiang District, Shanghai Patentee after: Shanghai Jingmiao New Materials Co.,Ltd. Address before: 211212 Dongping Town Industrial Zone, Lishui District, Nanjing, Jiangsu Patentee before: NANJING JINGMIAO ENERGY SAVING MATERIALS CO.,LTD. |
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| TR01 | Transfer of patent right |