CN219975829U - High-toughness PPR double-layer pipe - Google Patents
High-toughness PPR double-layer pipe Download PDFInfo
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- CN219975829U CN219975829U CN202320386650.9U CN202320386650U CN219975829U CN 219975829 U CN219975829 U CN 219975829U CN 202320386650 U CN202320386650 U CN 202320386650U CN 219975829 U CN219975829 U CN 219975829U
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- 239000000758 substrate Substances 0.000 claims abstract description 20
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 4
- 238000007731 hot pressing Methods 0.000 claims abstract description 4
- 238000009413 insulation Methods 0.000 claims description 30
- 238000007906 compression Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 9
- 238000007254 oxidation reaction Methods 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims description 7
- 239000011152 fibreglass Substances 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 14
- 239000010410 layer Substances 0.000 description 182
- 239000003365 glass fiber Substances 0.000 description 6
- -1 polypropylene Polymers 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 5
- 229920001155 polypropylene Polymers 0.000 description 5
- 239000004831 Hot glue Substances 0.000 description 4
- 229920000297 Rayon Polymers 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 239000002356 single layer Substances 0.000 description 4
- 239000012760 heat stabilizer Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 230000003064 anti-oxidating effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- UFRKOOWSQGXVKV-UHFFFAOYSA-N ethene;ethenol Chemical compound C=C.OC=C UFRKOOWSQGXVKV-UHFFFAOYSA-N 0.000 description 2
- 239000004715 ethylene vinyl alcohol Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model discloses a high-toughness PPR double-layer pipe, and belongs to the technical field of PPR pipes. The pipe comprises a PPR pipe matrix; the inner layer is arranged on the inner wall of the PPR pipe substrate; the inner layer comprises an inner toughening layer; the outer layer is arranged on the outer wall of the PPR pipe matrix; the outer layer comprises an outer toughening layer; the inner PPR pipe matrix and the outer layer are connected by a cross-linking agent in a hot pressing way. According to the utility model, the inner toughening layer and the outer toughening layer are respectively arranged on the inner surface and the outer surface of the PPR pipe substrate, the inner toughening layer improves the inner toughness of the PPR pipe substrate, the outer toughening layer improves the outer toughness of the PPR pipe substrate, and the inner toughening layer and the outer toughening layer realize the double-layer toughening effect through the inner toughening effect and the outer toughening effect of the inner toughening layer, so that the overall toughness of the pipe is improved, the overall toughness is high, the overall brittleness is reduced, and the problems of poor toughness and easy breakage of the PPR pipe are solved.
Description
Technical Field
The utility model belongs to the technical field of PPR pipes, and particularly relates to a high-toughness PPR double-layer pipe.
Background
The PPR pipe is a pipe material which adopts random copolymer polypropylene as a raw material, and is mostly used as a water pipe at present, and the PPR pipe is softer, becomes softer when being heated, has poorer toughness and is easy to deform. In view of the above problems, a multilayer PPR tube is disclosed in patent publication No. CN 204628842U.
The PPR pipe comprises a PPR inner layer and a PPR outer layer, and an insulating layer is bonded between the PPR inner layer and the PPR outer layer; the PPR outer layer is internally provided with a metal spiral pipe which is integrally manufactured, and an anti-slip layer is adhered outside the PPR outer layer; an antibacterial layer is also adhered in the PPR inner layer. A polyethylene heat-insulating layer is adhered between the PPR inner layer and the PPR outer layer. An aluminum silicate heat-insulating layer is adhered between the PPR inner layer and the PPR outer layer. The nano silver antibacterial layer is adhered in the PPR inner layer. The outer layer of the PPR is adhered with a rubber anti-slip layer. The thickness of the PPR outer layer accounts for 40% of the total thickness of the pipe fitting, and the heat insulation layer between the PPR inner layer and the PPR outer layer can play a role in heat insulation and heat insulation of the PPR pipe.
The PPR pipe water has the advantages that the heat insulation layer is arranged between the PPR inner layer and the PPR outer layer, the heat insulation effect on the PPR is achieved, the strength and the deformation resistance of the PPR pipe are improved through the metal spiral pipe, but the toughness of the PPR pipe is poor, and the PPR pipe is easy to break. In view of this, a high-toughness PPR double-layer tube needs to be designed.
Disclosure of Invention
The utility model provides a high-toughness PPR double-layer pipe, and aims to solve the problems in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a high-toughness PPR double-layer pipe comprises a PPR pipe substrate; the inner layer is arranged on the inner wall of the PPR pipe substrate; the inner layer comprises an inner toughening layer; the outer layer is arranged on the outer wall of the PPR pipe matrix; the outer layer comprises an outer toughening layer; the inner layer is formed by hot-pressing and connecting the PPR pipe substrate and the outer layer through a cross-linking agent.
As a further improvement of the technical scheme, the inner toughening layer comprises a first inner toughening layer; the first inner tough layer is arranged on the inner wall of the PPR pipe matrix; the outer toughening layer comprises a first outer toughening layer and a second outer toughening layer; the first outer tough layer is arranged on the outer wall of the PPR pipe matrix; the first inner tough layer and the first outer tough layer are each made of polypropylene, a compatibilizer, and a heat stabilizer.
As a further improvement of the technical scheme, the inner toughening layer further comprises a second inner toughening layer; the second inner tough layer is arranged on the inner wall of the first inner tough layer; the outer toughening layer further comprises a second outer toughening layer; the second outer tough layer is arranged on the outer wall of the first outer tough layer; the second inner and outer tough layers are each made of a fiberglass material.
As a further improvement of the technical scheme, the inner layer comprises an inner heat insulation layer; the inner heat insulation layer is arranged on the inner wall of the inner toughening layer.
As a further improvement of the technical scheme, the outer layer further comprises an outer heat insulation layer; the outer heat insulation layer is arranged on the outer wall of the outer toughening layer.
As a further improvement of the technical proposal, the outer layer also comprises a compression-resistant layer; the compression-resistant layer is arranged on the outer wall of the outer heat insulation layer.
As a further improvement of the technical proposal, the outer layer also comprises an antioxidation layer; the antioxidation layer is arranged on the outer wall of the compression-resistant layer.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the inner toughening layer and the outer toughening layer are respectively arranged on the inner surface and the outer surface of the PPR pipe substrate, the inner toughening layer improves the inner toughness of the PPR pipe substrate, the outer toughening layer improves the outer toughness of the PPR pipe substrate, and the inner toughening layer and the outer toughening layer realize the double-layer toughening effect through the inner toughening effect and the outer toughening effect of the inner toughening layer, so that the overall toughness of the pipe is improved, the overall toughness is high, the overall brittleness is reduced, and the problems of poor toughness and easy breakage of the PPR pipe are solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a high-toughness PPR double-layer pipe;
FIG. 2 is a schematic diagram of a second embodiment of the present utility model;
FIG. 3 is a schematic diagram III of the structure provided by the present utility model;
reference numerals: 1-PPR pipe matrix, 2-inner layer, 21-inner toughening layer, 211-first inner toughening layer, 212-second inner toughening layer, 22-inner heat insulation layer, 3-outer layer, 31-outer toughening layer, 311-first outer toughening layer, 312-second outer toughening layer, 32-outer heat insulation layer, 33-compression resistant layer and 34-oxidation resistant layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the inventive embodiments more clear, the technical solutions of the inventive embodiments will be clearly and completely described below with reference to the accompanying drawings of the inventive embodiments. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present utility model fall within the protection scope of the present utility model. Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs.
The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Also, unless the context clearly indicates otherwise, singular forms "a," "an," or "the" and similar terms do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "comprises," "comprising," or the like are intended to cover a feature, integer, step, operation, element, and/or component recited as being present in the element or article that "comprises" or "comprising" does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. "up", "down", "left", "right" and the like are used only to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed accordingly.
Embodiment one:
as shown in fig. 1 to 3, a high-toughness PPR double-layer pipe includes a PPR pipe substrate 1, where the PPR pipe substrate 1 is an integral base, and further includes: the inner layer 2 is arranged on the inner wall of the PPR pipe substrate 1; the inner layer 2 comprises an inner toughening layer 21, wherein the inner toughening layer 21 can be arranged as a single layer or a double layer, the inner toughening layer 21 can be made of glass fiber materials, and when the inner toughening layer 21 is a single layer, the inner toughening layer 21 can be made of PPR matrix materials and glass fiber materials; the outer layer 3 is arranged on the outer wall of the PPR pipe substrate 1; the outer layer 3 comprises an outer toughening layer 31, and the outer toughening layer 31 can be a single layer or a double layer as the inner toughening layer 21, the outer toughening layer 31 can be made of glass fiber materials, and when the outer toughening layer 31 is a single layer, the outer toughening layer 31 can be made of PPR matrix materials and glass fiber materials; the inner layer 2PPR pipe substrate 1 and the outer layer 3 are connected by a cross-linking agent in a hot pressing way.
Working principle:
the inner toughening layer 21 and the outer toughening layer 31 are respectively arranged on the inner surface and the outer surface of the PPR pipe matrix 1, the inner toughening layer 21 improves the inner toughness of the PPR pipe matrix 1, the outer toughening layer 31 improves the outer toughness of the PPR pipe matrix 1, and the inner toughening layer 21 and the outer toughening layer 31 realize the inner toughening effect and the outer toughening effect, so that the double-layer toughening effect is realized, the overall toughness of the pipe is improved, the overall toughness is high, the overall brittleness is reduced, and the problems of poor toughness and easy breakage of the PPR pipe are solved.
As shown in fig. 2 and 3, the inner toughening layer 21 preferably includes a first inner toughening layer 211; the first inner tough layer 211 is arranged on the inner wall of the PPR pipe substrate 1; the outer toughening layer 31 includes a first outer toughening layer 311 and a second outer toughening layer 312; the first outer tough layer 311 is arranged on the outer wall of the PPR pipe base body 1; the first inner tough layer 211 and the first outer tough layer 311 are both made of polypropylene, a compatilizer and a heat stabilizer, and the toughening layers made of polypropylene, a compatilizer and a heat stabilizer have good toughening effect. In addition, it should be noted that the structures of the first inner tough layer and the first outer tough layer are conventional principle techniques, and those skilled in the art can know the structures through technical manuals, routine experiments or existing patent documents.
As shown in fig. 2 and 3, the inner toughening layer 21 preferably further includes a second inner toughening layer 212; the second inner tough layer 212 is disposed on the inner wall of the first inner tough layer 211; the outer toughening layer 31 further includes a second outer toughening layer 312; the second outer tough layer 312 is disposed on the outer wall of the first outer tough layer 311; the second inner tough layer 212 and the second outer tough layer 312 are bonded through viscose, the second inner tough layer 212 and the second outer tough layer 312 are made of glass fiber materials, the glass fiber materials are good in toughness and not easy to deform, the second inner tough layer 212 is matched with the first inner tough layer 211 together, the toughness of the interior of the PPR pipe matrix 1 is improved, the brittleness of the whole pipe is reduced, the second outer tough layer 312 is matched with the first outer tough layer 311 together, the toughness of the exterior of the PPR pipe matrix 1 is improved, and the brittleness of the whole pipe is reduced. In addition, it should be noted that the structures of the second inner tough layer and the second outer tough layer are conventional principle techniques, and those skilled in the art can know the structures through technical manuals, routine experiments or existing patent documents.
Embodiment two:
as shown in fig. 2 and 3, the difference from the first embodiment is that: the PPR pipe is integrally provided with a heat insulation function; the inner layer 2 comprises an inner heat insulation layer 22; the inner heat insulation layer 22 is arranged on the inner wall of the inner toughening layer 21 through viscose or hot melt adhesive; the inner heat insulation layer 22 is supported by polyurethane, and the heat insulation layer made of polyurethane has good heat insulation effect, when the PPR pipe is used as a hot water conveying pipe, the inner heat insulation layer 22 can effectively reduce the influence of temperature on the PPR pipe matrix 1, and the deformation of the PPR pipe matrix 1 or the inner toughening layer 21 caused by overhigh temperature inside the pipe is avoided.
As shown in fig. 2 and 3, the outer layer 3 preferably further includes an outer insulating layer 32; the outer heat insulation layer 32 is arranged on the outer wall of the outer toughening layer 31; the outer heat insulation layer 32 is arranged on the outer surface of the outer toughening layer 21 through viscose or hot melt adhesive; the outer heat insulation layer 32 is supported by polyurethane, and the heat insulation layer made of polyurethane has good heat insulation effect, can effectively reduce the influence of external temperature on the PPR pipe matrix, and avoids deformation of the PPR pipe matrix 1 or the outer toughening layer 31 caused by overhigh or overlow external temperature of the pipe.
As shown in fig. 2 and 3, the outer layer 3 preferably further comprises a pressure resistant layer 33; the compression-resistant layer 33 is arranged on the outer wall of the outer heat insulation layer 32 through viscose or hot melt adhesive; the compressive layer 32 may be a polypropylene fiber mesh or a micro-foam honeycomb structure to enhance the overall compressive strength of the tubing against harsh environmental changes.
As shown in fig. 2 and 3, the outer layer 3 preferably further comprises an oxidation resistant layer 34; the oxidation resistant layer 34 is arranged on the outer wall of the compression resistant layer 33, and the oxidation resistant layer 34 is adhered to the outer surface of the compression resistant layer 33 through hot melt adhesive; the oxidation-resistant layer 34 is made of an EVOH material, and the EVOH layer has excellent blocking and oxygen-blocking effects on gases, odors, perfume solvents and the like, also has very high mechanical strength, elasticity, hardness, wear resistance, weather resistance and the like, can protect the early oxidation degradation of the PPR pipe substrate 1, improves the overall appearance of the pipe body, and prolongs the service life.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (7)
1. High-toughness PPR double-layer pipe comprises a PPR pipe substrate (1), and is characterized by further comprising:
the inner layer (2) is arranged on the inner wall of the PPR pipe substrate (1); the inner layer (2) comprises an inner toughening layer (21);
the outer layer (3) is arranged on the outer wall of the PPR pipe base body (1); the outer layer (3) comprises an outer toughening layer (31); the inner layer (2) is formed by hot-pressing connection of the PPR pipe substrate (1) and the outer layer (3) through a cross-linking agent.
2. The high toughness PPR double layer tube according to claim 1, wherein the inner toughening layer (21) comprises a first inner toughening layer (211); the first inner tough layer (211) is arranged on the inner wall of the PPR pipe base body (1); the outer toughening layer (31) comprises a first outer toughening layer (311) and a second outer toughening layer (312); the first outer tough layer (311) is arranged on the outer wall of the PPR pipe base body (1).
3. The high toughness PPR double layer tube according to claim 2, wherein the inner toughening layer (21) further comprises a second inner toughening layer (212); the second inner tough layer (212) is arranged on the inner wall of the first inner tough layer (211); the outer toughening layer (31) further comprises a second outer toughening layer (312); the second outer tough layer (312) is arranged on the outer wall of the first outer tough layer (311); the second inner tough layer (212) and the second outer tough layer (312) are each made of a fiberglass material.
4. The high-toughness PPR double-layer tube according to claim 1, wherein the inner layer (2) comprises an inner heat insulation layer (22); the inner heat insulation layer (22) is arranged on the inner wall of the inner toughening layer (21).
5. The high-toughness PPR double-layer tube according to claim 1, wherein the outer layer (3) further comprises an outer heat insulation layer (32); the outer heat insulation layer (32) is arranged on the outer wall of the outer toughening layer (31).
6. The high-toughness PPR double-layer tube according to claim 5, wherein the outer layer (3) further comprises a compression layer (33); the compression-resistant layer (33) is arranged on the outer wall of the outer heat insulation layer (32).
7. The high-toughness PPR double-layer tube according to claim 6, wherein the outer layer (3) further comprises an oxidation resistant layer (34); the oxidation-resistant layer (34) is arranged on the outer wall of the compression-resistant layer (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320386650.9U CN219975829U (en) | 2023-03-03 | 2023-03-03 | High-toughness PPR double-layer pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320386650.9U CN219975829U (en) | 2023-03-03 | 2023-03-03 | High-toughness PPR double-layer pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219975829U true CN219975829U (en) | 2023-11-07 |
Family
ID=88598104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320386650.9U Active CN219975829U (en) | 2023-03-03 | 2023-03-03 | High-toughness PPR double-layer pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219975829U (en) |
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- 2023-03-03 CN CN202320386650.9U patent/CN219975829U/en active Active
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