CN108533846A - A kind of co-extrusion has low temperature resistant PE Gas Pipes - Google Patents
A kind of co-extrusion has low temperature resistant PE Gas Pipes Download PDFInfo
- Publication number
- CN108533846A CN108533846A CN201810539718.6A CN201810539718A CN108533846A CN 108533846 A CN108533846 A CN 108533846A CN 201810539718 A CN201810539718 A CN 201810539718A CN 108533846 A CN108533846 A CN 108533846A
- Authority
- CN
- China
- Prior art keywords
- extrusion
- outer layer
- low temperature
- temperature resistant
- gas pipes
- 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.)
- Pending
Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 23
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 23
- 239000000654 additive Substances 0.000 claims abstract description 20
- 230000000996 additive effect Effects 0.000 claims abstract description 20
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 5
- 239000004595 color masterbatch Substances 0.000 claims description 12
- 239000003607 modifier Substances 0.000 claims description 9
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims description 3
- 239000000567 combustion gas Substances 0.000 abstract description 16
- 239000007789 gas Substances 0.000 abstract description 8
- 230000004048 modification Effects 0.000 abstract description 3
- 238000012986 modification Methods 0.000 abstract description 3
- 239000006096 absorbing agent Substances 0.000 abstract description 2
- 230000003078 antioxidant effect Effects 0.000 abstract description 2
- 239000012745 toughening agent Substances 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 42
- 239000004698 Polyethylene Substances 0.000 description 17
- 229920000573 polyethylene Polymers 0.000 description 17
- 238000010276 construction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
- F16L9/133—Rigid pipes of plastics with or without reinforcement the walls consisting of two layers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The present invention, which discloses a kind of co-extrusion, has low temperature resistant PE Gas Pipes, including internal layer and outer layer, the internal layer is combined by PE basis materials and internal layer modified additive, and the outer layer is combined by PE basis materials and outer layer modified additive, and internal layer and outer layer are merged using double-layer coextrusion mode.The present invention uses the common modification of photomask agent and ultraviolet light light absorbers by outer layer, antioxidant effect is set to reach best, the toughener based on POE is used in the internal layer of co-extrusion combustion gas tubing, it is aided with the shortcomings that modifying agent such as EVA or nano-calcium carbonate make up single modifying agent simultaneously, combustion gas tubing items comprehensive performance is made to be improved.
Description
Technical field
The present invention relates to PE combustion gas tubing field, more particularly to a kind of co-extrusion has low temperature resistant PE Gas Pipes.
Background technology
With the continuous development of China's pipeline network of fuel gas in city, pipe long-distance conveying is most economical, safe means.It improves
The discharge pressure of pipe network, can be cost-effective, while the problem of also bring some row.Due to the combustibility of combustion gas, explosion hazard,
It is toxic, if quality problems once occurs in fuel gas transmission system, or even occurs gas leakage, fire, explosion, in
The accidents such as poison not only directly influence the normal life of resident, while constituting great threat to the people's lives and property, as city
The safety of the polyethylene pipe of city's gas transmission and distribution system is particularly important.Therefore, product is improved by material modification
Performance is particularly important.It is fired at present in the northern area of China's cold -20 DEG C of temperature in use~40 DEG C of PE combustion gas tubing
Feed channel construction needs buried below ground 1.8m, and construction cost is big and long construction period.Combustion gas tubing is improved by material modification
Comprehensive performance reduce construction cost to improve using silicon carbide and reduce buried depth.As PE combustion gas tubing produces
The continuous promotion of energy is particularly important in production cost control, and two-shipper co-extrusion can effectively save production than single machine extrusion
Cost and production efficiency, and the tubing of different function can be combined, to promote every comprehensive performance of tubing.
The standard storage period that the existing combustion gas tubing of combustion gas buried polyethylene (PE) pipe-line system executes is 2 years, existing
Combustion gas tubing in north cold area, need buried 1.8 meters hereinafter, long construction period and of high cost.
Invention content
The main object of the present invention is to propose that a kind of co-extrusion has low temperature resistant PE Gas Pipes, it is intended to overcome problem above.
To achieve the above object, the present invention proposes that a kind of co-extrusion has low temperature resistant PE Gas Pipes, including internal layer and outer layer,
The internal layer is combined by PE basis materials and internal layer modified additive, and the outer layer is by PE basis materials and outer layer modified additive
It is combined, and internal layer and outer layer are merged using double-layer coextrusion mode.
Preferably, the internal layer modified additive includes one or more of plasticized modifier, filling modifying agent and color masterbatch.
Preferably, for the plasticized modifier based on POE, the filling modifying agent is EVA or nano-calcium carbonate.
Preferably, the outer layer modified additive includes one or more of photomask agent, ultra-violet absorber and color masterbatch.
Preferably, the internal layer modified additive accounts for the 11%~25% of internal layer total weight.
Preferably, by the percentages of inner layer material total weight, the plasticized modifier accounts for 8%~15%, the filling
Modifying agent accounts for 2%~5%, and the color masterbatch accounts for 1%~5%.
Preferably, the outer layer modified additive accounts for the 1%~9% of outer layer total weight.
Preferably, by the percentages of cladding material total weight, photomask agent accounts for 0%~2%, and ultra-violet absorber accounts for
0%~2%, color masterbatch accounts for 1%~5%.
Preferably, the PE basis materials are made of one or more materials of PE80, PE100, PE100RC.
Preferably, the thickness of the outer layer is between 1.2-20mm.
Technical solution of the present invention co-extrusion combustion gas tubing outer layer using the common of photomask agent and ultraviolet light light absorbers
It is modified, so that antioxidant effect is reached best, uses the toughener based on POE in the internal layer of co-extrusion combustion gas tubing, be aided with simultaneously
The shortcomings that modifying agent such as EVA or nano-calcium carbonate make up single modifying agent makes combustion gas tubing items comprehensive performance be improved.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of the invention；
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the embodiment of the present invention directionality instruction (such as up, down, left, right, before and after ...),
Then directionality instruction be only used for explaining relative position relation under a certain particular pose (as shown in the picture) between each component,
Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, it is somebody's turn to do " first ", " second " etc.
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.In addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, when the knot that conflicting or cannot achieve when will be understood that this technical solution occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection domain within.
As shown in Figure 1, the present invention proposes that a kind of co-extrusion has low temperature resistant PE Gas Pipes, including internal layer and outer layer, it is described
Internal layer is combined by PE basis materials and internal layer modified additive, and the outer layer is compound by PE basis materials and outer layer modified additive
It forms, and internal layer and outer layer are merged using double-layer coextrusion mode.
Preferably, the internal layer modified additive includes one or more of plasticized modifier, filling modifying agent and color masterbatch.
Preferably, for the plasticized modifier based on POE, the filling modifying agent is EVA or nano-calcium carbonate.
Preferably, the outer layer modified additive includes one or more of photomask agent, ultra-violet absorber and color masterbatch.
Preferably, the internal layer modified additive accounts for the 11%~25% of internal layer total weight.
Preferably, by the percentages of inner layer material total weight, the plasticized modifier accounts for 8%~15%, the filling
Modifying agent accounts for 2%~5%, and the color masterbatch accounts for 1%~5%.
Preferably, the outer layer modified additive accounts for the 1%~9% of outer layer total weight.
Preferably, by the percentages of cladding material total weight, photomask agent accounts for 0%~2%, and ultra-violet absorber accounts for
0%~2%, color masterbatch accounts for 1%~5%.
Preferably, the PE basis materials are made of one or more materials of PE80, PE100, PE100RC.
Preferably, the thickness of the outer layer is between 1.2-20mm.
The internal layer of the present invention has low temperature resistance excellent, and outer layer has anti-aging property excellent, which passes through
What the material co-extrusion technology of same resin base was realized, each interlayer mutually merges, and each layer separation is never will appear in prolonged application
Problem.
Compare the advantage of the prior art：
Advantage one：Combustion gas tubing outer layer can be shielded effectively and absorb ultraviolet light, and the weather resistance of tubing is made to be improved.
Advantage two：The internal layer of combustion gas tubing uses the toughening of a variety of modifying agent, and while toughness improves, intensity also has
The shortcomings that being improved, making up single modifying agent.
Advantage three：Combustion gas tubing uses double-layer coextrusion technology, and the tubing of different performance is embodied on same tubing, is reached simultaneously
To cost-effective purpose.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
In the scope of patent protection that other related technical areas are included in the present invention.
Claims (10)
1. a kind of co-extrusion has low temperature resistant PE Gas Pipes, which is characterized in that including internal layer and outer layer, the internal layer is by PE matrixes
Material and internal layer modified additive are combined, and the outer layer is combined by PE basis materials and outer layer modified additive, and internal layer
It is merged using double-layer coextrusion mode with outer layer.
2. co-extrusion as described in claim 1 has low temperature resistant PE Gas Pipes, which is characterized in that the internal layer modified additive packet
Include one or more of plasticized modifier, filling modifying agent and color masterbatch.
3. co-extrusion as claimed in claim 2 have low temperature resistant PE Gas Pipes, which is characterized in that the plasticized modifier with
Based on POE, the filling modifying agent is EVA or nano-calcium carbonate.
4. co-extrusion as described in claim 1 has low temperature resistant PE Gas Pipes, which is characterized in that the outer layer modified additive packet
Include one or more of photomask agent, ultra-violet absorber and color masterbatch.
5. co-extrusion as described in claim 1 has low temperature resistant PE Gas Pipes, which is characterized in that the internal layer modified additive accounts for
The 11%~25% of internal layer total weight.
6. co-extrusion as claimed in claim 2 has low temperature resistant PE Gas Pipes, which is characterized in that by inner layer material total weight
Percentages, the plasticized modifier account for 8%~15%, and the filling modifying agent accounts for 2%~5%, and the color masterbatch accounts for 1%~
5%.
7. co-extrusion as described in claim 1 has low temperature resistant PE Gas Pipes, which is characterized in that the outer layer modified additive accounts for
The 1%~9% of outer layer total weight.
8. co-extrusion as claimed in claim 3 has low temperature resistant PE Gas Pipes, which is characterized in that by cladding material total weight
Percentages, photomask agent account for 0%~2%, and ultra-violet absorber accounts for 0%~2%, and color masterbatch accounts for 1%~5%.
9. co-extrusion as described in claim 1 have low temperature resistant PE Gas Pipes, which is characterized in that the PE basis materials by
One or more materials of PE80, PE100, PE100RC are made.
10. co-extrusion as described in claim 1 has low temperature resistant PE Gas Pipes, which is characterized in that the thickness of the outer layer is
Between 1.2-20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810539718.6A CN108533846A (en) | 2018-05-30 | 2018-05-30 | A kind of co-extrusion has low temperature resistant PE Gas Pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810539718.6A CN108533846A (en) | 2018-05-30 | 2018-05-30 | A kind of co-extrusion has low temperature resistant PE Gas Pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108533846A true CN108533846A (en) | 2018-09-14 |
Family
ID=63473011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810539718.6A Pending CN108533846A (en) | 2018-05-30 | 2018-05-30 | A kind of co-extrusion has low temperature resistant PE Gas Pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108533846A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112625323A (en) * | 2020-11-30 | 2021-04-09 | 江西天丰建设集团管业科技有限公司 | Alloy material for manufacturing polyethylene pipeline for water supply and preparation method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201696755U (en) * | 2010-06-13 | 2011-01-05 | 山东艾菲尔管业有限公司 | Double-layer pipe |
| JP2011245773A (en) * | 2010-05-28 | 2011-12-08 | Tokai Rubber Ind Ltd | Hose for fuel |
| CN104250402A (en) * | 2014-01-26 | 2014-12-31 | 安徽省忠宏管业科技有限公司 | Double-layer plastic pipe |
| CN105135078A (en) * | 2015-08-28 | 2015-12-09 | 广西金盛科技发展有限公司 | High-density polyethylene double-layer water supply pipe |
| CN106279875A (en) * | 2016-08-09 | 2017-01-04 | 大禹节水（天津）有限公司 | A kind of novel polyethylene floor heating pipe and preparation method |
| CN106349550A (en) * | 2016-08-18 | 2017-01-25 | 大禹节水（天津）有限公司 | Novel double-layer polyethylene corrugated pipe and preparation method thereof |
| CN107880390A (en) * | 2017-11-21 | 2018-04-06 | 浙江龙财塑业有限公司 | A kind of PP R resist cold freeze proof antibacterial pipe material and preparation method thereof |
| CN208457367U (en) * | 2018-05-30 | 2019-02-01 | 广东联塑科技实业有限公司 | Co-extrusion has low temperature resistant PE fuel gas conduit |
-
2018
- 2018-05-30 CN CN201810539718.6A patent/CN108533846A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011245773A (en) * | 2010-05-28 | 2011-12-08 | Tokai Rubber Ind Ltd | Hose for fuel |
| CN201696755U (en) * | 2010-06-13 | 2011-01-05 | 山东艾菲尔管业有限公司 | Double-layer pipe |
| CN104250402A (en) * | 2014-01-26 | 2014-12-31 | 安徽省忠宏管业科技有限公司 | Double-layer plastic pipe |
| CN105135078A (en) * | 2015-08-28 | 2015-12-09 | 广西金盛科技发展有限公司 | High-density polyethylene double-layer water supply pipe |
| CN106279875A (en) * | 2016-08-09 | 2017-01-04 | 大禹节水（天津）有限公司 | A kind of novel polyethylene floor heating pipe and preparation method |
| CN106349550A (en) * | 2016-08-18 | 2017-01-25 | 大禹节水（天津）有限公司 | Novel double-layer polyethylene corrugated pipe and preparation method thereof |
| CN107880390A (en) * | 2017-11-21 | 2018-04-06 | 浙江龙财塑业有限公司 | A kind of PP R resist cold freeze proof antibacterial pipe material and preparation method thereof |
| CN208457367U (en) * | 2018-05-30 | 2019-02-01 | 广东联塑科技实业有限公司 | Co-extrusion has low temperature resistant PE fuel gas conduit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112625323A (en) * | 2020-11-30 | 2021-04-09 | 江西天丰建设集团管业科技有限公司 | Alloy material for manufacturing polyethylene pipeline for water supply and preparation method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20180914 |