CN201487403U - A cross-linked polyethylene pipe with a high-density polyethylene liner - Google Patents
A cross-linked polyethylene pipe with a high-density polyethylene liner Download PDFInfo
- Publication number
- CN201487403U CN201487403U CN200920160013XU CN200920160013U CN201487403U CN 201487403 U CN201487403 U CN 201487403U CN 200920160013X U CN200920160013X U CN 200920160013XU CN 200920160013 U CN200920160013 U CN 200920160013U CN 201487403 U CN201487403 U CN 201487403U
- Authority
- CN
- China
- Prior art keywords
- cross
- layer
- linked
- polyethylene pipe
- barrier layer
- 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.)
- Expired - Fee Related
Links
- 229920003020 cross-linked polyethylene Polymers 0.000 title claims abstract description 19
- 239000004703 cross-linked polyethylene Substances 0.000 title claims abstract description 19
- 229920001903 high density polyethylene Polymers 0.000 title claims description 9
- 239000004700 high-density polyethylene Substances 0.000 title claims description 9
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 claims abstract description 7
- 239000000084 colloidal system Substances 0.000 claims abstract description 4
- 230000004888 barrier function Effects 0.000 claims description 13
- 238000006664 bond formation reaction Methods 0.000 claims 1
- 239000004698 Polyethylene Substances 0.000 abstract description 5
- -1 polyethylene Polymers 0.000 abstract description 5
- 229920000573 polyethylene Polymers 0.000 abstract description 5
- UFRKOOWSQGXVKV-UHFFFAOYSA-N ethene;ethenol Chemical compound C=C.OC=C UFRKOOWSQGXVKV-UHFFFAOYSA-N 0.000 abstract description 3
- 239000004715 ethylene vinyl alcohol Substances 0.000 abstract description 3
- 230000004792 oxidative damage Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 238000010525 oxidative degradation reaction Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
Landscapes
- Laminated Bodies (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
Description
技术领域technical field
本实用新型涉及一种具有高密度聚乙烯衬里的交联聚乙烯管。The utility model relates to a cross-linked polyethylene pipe with a high-density polyethylene lining.
背景技术Background technique
目前，在水分配系统和热水系统中最常用的就是PEX(聚乙烯)管，但是PEX管易受氧化剂的影响，该氧化剂随时间通过塑料扩散，引起氧化降解，PEX管的降解由如下方式发生：与来自大气的氧化的反应，和来自大气的氧气的扩散，和由管子载运的流体中存在的氧化剂如氯气和次氯酸的反应，以及流体中溶解的氧气扩散入管子中，针对目前存在的问题，提出一种抗氧化性损坏，使用寿命长的具有高密度聚乙烯衬里的交联聚乙烯管。Currently, PEX (polyethylene) pipes are most commonly used in water distribution systems and hot water systems, but PEX pipes are susceptible to oxidants that diffuse through the plastic over time, causing oxidative degradation. The degradation of PEX pipes is as follows: Occurs: Reaction with oxidation from the atmosphere, and diffusion of oxygen from the atmosphere, and oxidizing agents such as chlorine and hypochlorous acid present in the fluid carried by the tubes, and diffusion of dissolved oxygen in the fluid into the tubes, for current The problem is to propose a cross-linked polyethylene pipe with a high density polyethylene liner that is resistant to oxidative damage and has a long service life.
实用新型内容Utility model content
本实用新型的目的是提供一种具有高密度聚乙烯衬里的交联聚乙烯管，以克服目前PEX管易发生氧化降解，使用寿命短的不足。The purpose of this utility model is to provide a cross-linked polyethylene pipe with a high-density polyethylene lining to overcome the shortcomings of the existing PEX pipes, which are prone to oxidative degradation and short service life.
本实用新型的目的是通过以下技术方案来实现：The purpose of this utility model is to realize through the following technical solutions:
一种具有高密度聚乙烯衬里的交联聚乙烯管，包括交联PEX(聚乙烯)形成的内层和外层，所述内层的外壁上设有EVOH(乙烯乙烯醇共聚物)形成的阻隔层，阻隔层的外壁上设有外层，所述内层与阻隔层之间、阻隔层与外层之间均通过胶体相互粘合形成一体。A cross-linked polyethylene pipe with a high-density polyethylene liner, comprising an inner layer formed by cross-linked PEX (polyethylene) and an outer layer, the outer wall of the inner layer is provided with an EVOH (ethylene vinyl alcohol copolymer) formed The barrier layer is provided with an outer layer on the outer wall of the barrier layer, and the inner layer and the barrier layer, and the barrier layer and the outer layer are bonded to each other to form a whole through colloid.
本实用新型的有益效果为：抗氧化性损坏，使用寿命长，最长能使用50年。The beneficial effects of the utility model are: anti-oxidation damage, long service life, the longest can be used for 50 years.
附图说明Description of drawings
下面根据附图对本实用新型作进一步详细说明。Below according to accompanying drawing, the utility model is described in further detail.
图1是本实用新型实施例所述的一种具有高密度聚乙烯衬里的交联聚乙烯管的结构示意图。Fig. 1 is a schematic structural view of a cross-linked polyethylene pipe with a high-density polyethylene lining described in an embodiment of the present invention.
图中：In the picture:
1、内层；2、外层；3、阻隔层。1. Inner layer; 2. Outer layer; 3. Barrier layer.
具体实施方式Detailed ways
如图1所示，本实用新型实施例所述的一种具有高密度聚乙烯衬里的交联聚乙烯管，包括交联的PEX(聚乙烯)形成的内层1和外层2，所述内层1的外壁上设有EVOH(乙烯乙烯醇共聚物)形成的阻隔层3，阻隔层3的外壁上设有外层2，所述内层1与阻隔层3之间、阻隔层3与外层2之间均通过胶体相互粘合形成一体。As shown in Figure 1, a cross-linked polyethylene pipe with a high-density polyethylene lining described in the embodiment of the present invention includes an inner layer 1 and an outer layer 2 formed by cross-linked PEX (polyethylene). The outer wall of the inner layer 1 is provided with a barrier layer 3 formed by EVOH (ethylene vinyl alcohol copolymer), and the outer wall of the barrier layer 3 is provided with an outer layer 2. Between the inner layer 1 and the barrier layer 3, between the barrier layer 3 and the The outer layers 2 are all bonded to each other by colloid to form a whole.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920160013XU CN201487403U (en) | 2009-06-16 | 2009-06-16 | A cross-linked polyethylene pipe with a high-density polyethylene liner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920160013XU CN201487403U (en) | 2009-06-16 | 2009-06-16 | A cross-linked polyethylene pipe with a high-density polyethylene liner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201487403U true CN201487403U (en) | 2010-05-26 |
Family
ID=42426282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920160013XU Expired - Fee Related CN201487403U (en) | 2009-06-16 | 2009-06-16 | A cross-linked polyethylene pipe with a high-density polyethylene liner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201487403U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117885422A (en) * | 2024-02-02 | 2024-04-16 | 广东联塑科技实业有限公司 | A modified PE film and its preparation method and application |
-
2009
- 2009-06-16 CN CN200920160013XU patent/CN201487403U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117885422A (en) * | 2024-02-02 | 2024-04-16 | 广东联塑科技实业有限公司 | A modified PE film and its preparation method and application |
| WO2025161101A1 (en) * | 2024-02-02 | 2025-08-07 | 广东班特斯膜材科技有限公司 | Modified pe film, preparation method therefor, and use thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WANG JIANWEI Free format text: FORMER OWNER: XU XIN Effective date: 20121015 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 315121 NINGBO, ZHEJIANG PROVINCE TO: 313021 HUZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121015 Address after: Zhejiang province Huzhou City Ruixing road 313021 East Development Zone No. 1 Patentee after: Wang Jianwei Address before: 315121, No. 63, North Road, Jiang Shan Spark Technology Park, Ningbo, Zhejiang, Yinzhou District Patentee before: Xu Xin |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Cross-linked polyethylene pipe with high-intensity polyethylene lining Effective date of registration: 20130426 Granted publication date: 20100526 Pledgee: Pan Pingfang Pledgor: Wang Jianwei Registration number: 2013990000248 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20130616 |