CN108302260A - A kind of aluminum plastic composite pipe and its processing method - Google Patents
A kind of aluminum plastic composite pipe and its processing method Download PDFInfo
- Publication number
- CN108302260A CN108302260A CN201711393748.2A CN201711393748A CN108302260A CN 108302260 A CN108302260 A CN 108302260A CN 201711393748 A CN201711393748 A CN 201711393748A CN 108302260 A CN108302260 A CN 108302260A
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- Prior art keywords
- pipe
- plastic composite
- aluminum plastic
- aluminium
- composite pipe
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Classifications
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- 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
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The present invention relates to tubing technical fields, especially a kind of aluminum plastic composite pipe and its processing method, the aluminum plastic composite pipe includes the inner macromolecule plastic tube being arranged from the inside to the outside, interior aluminium pipe, outer aluminium pipe, outer polymer plastic expects pipe, above-mentioned each tubing is arranged with center line and is adhesively fixed by hot melt adhesive between each tubing, the inside and outside aluminium pipe is equipped with the seam that stays being arranged along its length, and it stays seam side to be staggered；The present invention by inside and outside aluminium pipe is set and on inside and outside aluminium pipe setting be staggered stay seam, improve the toughness of aluminum plastic composite pipe, using the structure type, not only increase linking for inner macromolecule plastic tube and outer layer, form it into an entirety, the swelling that aluminum plastic composite pipe occurs when undergoing hot and cold alternation is effectively alleviated simultaneously, is especially alleviated aluminum plastic composite pipe and is impregnated the Swelling generated for a long time by hydrocarbon-type oil.
Description
Technical field
The present invention relates to tubing technical field, especially a kind of aluminum plastic composite pipe and its processing method.
Background technology
The basic structure of aluminum plastic composite pipe is followed successively by plastics, hot melt adhesive, aluminium alloy, hot melt adhesive and plastics from inside to outside.It passes
The aluminum plastic composite pipe of system is that polyethylene, polyethylene hot melt adhesive special and alloy foil are molded and are answered by high temperature, high pressure basis
Incorporated five-layer structure composite pipe, outermost layer and inner layer are high density polyethylene (HDPE) (proportion be more than 0.95g/cm3), second
Layer is hot melt adhesive, and third layer is aluminum pipe, and the 4th layer is also one layer of hot melt adhesive；The tubing, not only can be with due to containing metallic aluminum
Increase compressive resistance, it can be with blocking oxygen, carbon dioxide and water etc. so as to avoid the corrosion risk of traditional cast iron pipe, heat conduction
Property it is good and reduce hot spot concentration, it is antistatic and shielding is good, and there is certain flame retardant effect, it is often more important that, pass through centre
The partition of layer metallic aluminium, inner layer health safe to use no added vinyon allow in outer layer to add and are enough to resist light, oxygen
The stabilizer of aging without influence inner layer contacts water safety and sanitation, it is ensured that hydraulic pipeline it is safe and reliable.
But the low-temperature working effect of aluminum plastic composite pipe in the prior art is bad, cold-hot alternation experimental performance is poor, special
It is not that will produce Swelling when conveying hydrocarbon-type oil for a long time, limits application of the aluminum plastic composite pipe in automobile, engineering field.
Invention content
For the problems of the prior art, the purpose of the present invention is to provide a kind of aluminum plastic composite pipe, overcome traditional aluminium
Plastic composite low-temperature working effect is poor, the problem of cold-hot alternation experimental performance difference.
To achieve the goals above, the present invention is achieved by the following scheme：A kind of aluminum plastic composite pipe, including by
The inner macromolecule plastic tube of interior to outer setting, interior aluminium pipe, outer aluminium pipe, outer polymer plastic expects pipe, above-mentioned each same center of tubing
Line arranges and is adhesively fixed by hot melt adhesive between each tubing that the inside and outside aluminium pipe is equipped with to be arranged along its length
Seam is stayed, and it stays seam side to be staggered.
In the present invention, by inside and outside aluminium pipe carrying out that seam is stayed to handle, linking between each tube layer is not only increased, is made
It is even closer between inner macromolecule plastic tube and outer aluminium pipe, or even outer polymer plastic expects pipe to be combined into an entirety, to
Increase the ability resisted and expanded when hot and cold alternation；Meanwhile staying the effective alleviation internal layer of seam cold on the inside and outside aluminium pipe
The swelling occurred when heat alternating.
The present invention does not do special requirement to the angle for staying seam to be staggered, and the purpose that seam is staggered is stayed to be inner layer expansion
When inside and outside aluminium pipe generate the power abutted, improve whole toughness；Meanwhile the inside and outside aluminium pipe is staggered and improves its barrier
Performance.
Further, the slit width of seam side of staying of the inside and outside aluminium pipe is 0.5~8mm.
Further, the wall thickness of the inside and outside polymer plastic expects pipe is 2~5mm, the wall thickness of inside and outside aluminium pipe is 3~
5mm。
According to the present invention, the plastics of heretofore described inside and outside polymer plastic expects pipe are using high density polyethylene (HDPE), poly- third
One kind in alkene, polyester, polystyrene.
High density polyethylene (HDPE) of the present invention is density in 0.941~0.965g/cm3Between, the homopolymerization as ethylene
Object is practically free of branch, high density of the present invention for the linear copolymer of various ethylene and alpha-olefin
Polyethylene can be commercially available various grades, specifically the DGDH for example purchased from Dow Chemical Company
1059 and DMDA6320.
Polypropylene of the present invention includes derived from propylene and ethylene and/or one or more unsaturated comonomers
The polymer of unit.Specifically the trade mark for example purchased from Dow Chemical Company is DOW PolyPropylene
RESiNSTMCopolymer.
Polyester of the present invention can be dicarboxylic acids ingredient or the polyester that glycol component is formed, further, institute
The dicarboxylic acids ingredient stated can enumerate such as terephthalic acid (TPA), M-phthalic acid, 2,6- naphthalenedicarboxylic acids, 4,4 '-biphenyl two
The dicarboxylic acids ingredient of formic acid, adipic acid, sebacic acid.As glycol component, such as ethylene glycol, Isosorbide-5-Nitrae-fourth two can be enumerated
Alcohol, 1,4 cyclohexane dimethanol, 1,6- ethylene glycol.Further, the polyester is preferably aromatic polyester, such as poly- to benzene
Naphthalate (PET), polybutylene terephthalate (PBT) (PBT) or polyethylene naphthalate (PEN).
Polystyrene of the present invention is the transparent resin well known to fields, and is commercially available,
Polystyrene can provide the high grade of transparency and good rigidity, specifically, can enumerate as being purchased from Dow Chemical Company
Trade mark be StyronTM663 polystyrene.
The effect of hot melt adhesive is inner macromolecule plastic tube and interior aluminium pipe, interior aluminium pipe and outer aluminium pipe, outer aluminium
Pipe is bonded together with outer polymer plastic expects pipe, ensures that each tube layer for forming aluminum plastic composite pipe is formed with compound entirety, it is ensured that it is strong
The comprehensive advantages such as degree, toughness, resistance to pressure, property easy to install give full play to.Hot melt adhesive of the present invention is acroleic acid hot melt
Glue or maleic anhydride modified polypropylene thermal melten gel；The present invention does not do particular/special requirement to the sizing thickness of the hot melt adhesive, can be with
Good bonding is realized, specifically, the sizing thickness of the hot melt adhesive is 3~8mm.
The present invention also provides a kind of processing methods of above-mentioned aluminum plastic composite pipe, include the following steps：
(1) sheet aluminium alloy is curled into halfpipe with preforming roller；
(2) the halfpipe aluminium that step (1) obtains is heated to 190~210 DEG C, subsequently into interior pipe die sizing opposite joint
Processing, and soldering is carried out to a latasuture, the other side stays seam to handle, is stayed the aluminium tube of seam along its length；
(3) by the plastic heating of inside and outside polymer plastic expects pipe and extruded machine extrusion, respectively by the plastics inner tube of extrusion
Head extrusion inner macromolecule plastic tube, and, by the plastics of extrusion polymer plastic expects pipe outside outer tube head extrusion；
(4) hot melt adhesive is squeezed out on the outer wall of interior polymer plastic expects pipe, the outer wall of interior aluminium pipe with hot melt rubber extruding machine
On the outer wall of upper, outer aluminium pipe, coextrusion die head coextrusion mold is then entered together with outer polymer plastic expects pipe, through the cold leaching of cold cut
Afterwards up to the aluminum plastic composite pipe.
Further, in step (3), the extruder is single screw extrusion machine, screw diameter 65mm, draw ratio
It is 28:1.
Further, in step (4), the hot melt rubber extruding machine be single screw extrusion machine, screw diameter 30mm,
Draw ratio is 25:1.
Sheet aluminium alloy of the present invention can be the trade mark be 8011A, 8001,1145,1235,1100,1200,
1050,1060 alloy product.
Compared with prior art, the present invention has the following technical effects：
1, aluminum plastic composite pipe provided by the invention is staggered by the way that inside and outside aluminium pipe is arranged and is arranged on inside and outside aluminium pipe
That opens stays seam, improves the toughness of aluminum plastic composite pipe, using the structure type, not only increases inner macromolecule plastic tube and outer layer
Link, form it into an entirety, while effectively alleviating the expansion that aluminum plastic composite pipe occurs when undergoing hot and cold alternation
Phenomenon especially alleviates aluminum plastic composite pipe and is impregnated the Swelling generated for a long time by hydrocarbon-type oil；
2, the processing method of aluminum plastic composite pipe provided by the invention, it is simple for process, relative to adding for traditional aluminum plastic composite pipe
The variation of work method is smaller, easy to spread and large-scale industry practice.
Description of the drawings
Fig. 1 is the schematic diagram of aluminum plastic composite pipe provided by the invention；
Fig. 2 is the cross-sectional view of aluminum plastic composite pipe provided by the invention；
Figure label explanation：1- inner macromolecule plastic tubes, aluminium pipe in 2-, the outer aluminium pipes of 3-, the outer polymer plastic expects pipes of 4-,
5- hot melt adhesive, 6- stay seam.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Conjunction is specifically illustrating and embodiment, and the present invention is furture elucidated.
Embodiment 1
As shown in Figure 1, 2, the present invention provides a kind of aluminum plastic composite pipe, including the thickness being arranged from the inside to the outside is 4mm's
The outer aluminium pipe 3 that interior aluminium pipe 2, the thickness that inner macromolecule plastic tube 1, thickness are 4mm are 4mm, thickness are the outer macromolecule of 4mm
Plastic tube 4, above-mentioned each tubing are adhesively fixed between center line arrangement and each tubing by hot melt adhesive 5, the inside and outside aluminium pipe
2,3 seam 6 is stayed equipped with what is be arranged along its length, and it stays seam side to be staggered；
The slit width of seam side of staying of the inside and outside aluminium pipe 2,3 is 5mm；
The processing method of above-mentioned aluminum plastic composite pipe is：
(1) sheet aluminium alloy (8011A is easily stepped purchased from Jiangsu) is curled into two kinds of calibers with preforming roller is respectively
The halfpipe of 25mm, 30mm；
(2) the halfpipe aluminium for the identical caliber that step (1) obtains is heated to 200 DEG C, it is fixed subsequently into interior pipe die
The processing of diameter opposite joint, and ultrasonic bonding processing is carried out to a latasuture, the other side stays seam to handle, is stayed seam along its length
Aluminium tube；
(3) by polypropylene copolymer, (trade mark purchased from Dow Chemical Company is DOW PolyPropylene
RESiNSTMCopolymer) heat and squeezed out through single screw extrusion machine, respectively by high score in the plastics of extrusion inner tube head extrusion
Sub- plastic tube, and, by the plastics of extrusion polymer plastic expects pipe outside outer tube head extrusion, the screw rod of the single screw extrusion machine
A diameter of 65mm, draw ratio 28:1；
(4) acroleic acid hot melt glue is squeezed out on the outer wall of interior polymer plastic expects pipe, interior aluminium pipe with hot melt rubber extruding machine
Outer wall on, on the outer wall of outer aluminium pipe, sizing thickness is 5mm, and coextrusion die is then entered together with outer polymer plastic expects pipe
Coextrusion head is molded, and up to the aluminum plastic composite pipe after the cold leaching of cold cut, the hot melt rubber extruding machine is single screw extrusion machine,
Its screw diameter is 30mm, draw ratio 25:1.
Embodiment 2
The present embodiment is identical as the structure of the aluminum plastic composite pipe of embodiment 1, unlike, the thickness of inner macromolecule plastic tube 1
Degree is 2mm, and the thickness of interior aluminium pipe 2 is 3mm, and the thickness of outer aluminium pipe 3 is 3mm, and the thickness of outer polymer plastic expects pipe 4 is 2mm,
The slit width of seam side of staying of the inside and outside aluminium pipe 2,3 is 0.5mm, remaining is constant, obtains the aluminum plastic composite pipe.
Embodiment 3
The present embodiment is identical as the structure of the aluminum plastic composite pipe of embodiment 1, unlike, the thickness of inner macromolecule plastic tube 1
Degree is 5mm, and the thickness of interior aluminium pipe 2 is 5mm, and the thickness of outer aluminium pipe 3 is 5mm, and the thickness of outer polymer plastic expects pipe 4 is 5mm,
The slit width of seam side of staying of the inside and outside aluminium pipe 2,3 is 8mm, remaining is constant, obtains the aluminum plastic composite pipe.
Performance test：
The aluminum plastic composite pipe in above-described embodiment is tested for the property using following test method, and with day Feng Guancai
PP-R plastic aluminum steady-state tube S3.2 series D25*3.5 is as a control group.
1, the test of hydrostatic strength is carried out using GB/T 6111-2003, test temperature is 95 DEG C, and test period is
165h, hydrostatic tension 4.6Mpa, in logging to table 1.
2, using the high and low temperature alternating humidity test chamber of Shanghai Linpin Equipment Co., Ltd.
(LRHS-1000B-LJS) aluminum plastic composite pipe of above-described embodiment 1-3 and control group are carried out at high/low-temperature impact
Reason, hot conditions be 60 DEG C, 90%RH, cryogenic conditions be -30 DEG C, high/low temperature residence time be 1h, recycle 200 times, then again
The test of hydrostatic strength is carried out using GB/T 6111-2003, test temperature is 95 DEG C, test period 165h, hydrostatic to answer
Power is 4.6Mpa, in logging to table 1.
Table 1：
The basic principles and main features and the features of the present invention of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement is both fallen in the range of claimed invention.The scope of protection of present invention is by appended claims
And its equivalent thereof.
Claims (8)
1. a kind of aluminum plastic composite pipe, it is characterised in that：Including the inner macromolecule plastic tube, interior aluminium pipe, outer being arranged from the inside to the outside
Aluminium pipe, outer polymer plastic expects pipe, above-mentioned each tubing is arranged with center line and is adhesively fixed by hot melt adhesive between each tubing, described
Inside and outside aluminium pipe be equipped be arranged along its length stay seam, and it stays and stitches side and be staggered.
2. aluminum plastic composite pipe according to claim 1, it is characterised in that：The slit width for staying seam side of the inside and outside aluminium pipe
For 0.5~8mm.
3. aluminum plastic composite pipe according to claim 1, it is characterised in that：The wall thickness of the inside and outside polymer plastic expects pipe is 2
The wall thickness of~5mm, inside and outside aluminium pipe are 3~5mm.
4. aluminum plastic composite pipe according to claim 1, it is characterised in that：The plastics of the inside and outside polymer plastic expects pipe are adopted
With one kind in high density polyethylene (HDPE), polypropylene, polyester, polystyrene.
5. aluminum plastic composite pipe according to claim 1, it is characterised in that：The hot melt adhesive is acroleic acid hot melt glue or horse
Carry out anhydride-modified polypropylene hot melt adhesive.
6. a kind of processing method of aluminum plastic composite pipe as claimed in any one of claims 1 to 5, wherein, it is characterised in that：Including with
Lower step：
(1) sheet aluminium alloy is curled into halfpipe with preforming roller；
(2) the halfpipe aluminium that step (1) obtains is heated to 190~210 DEG C, subsequently into interior pipe die sizing joint
Reason, and soldering is carried out to a latasuture, the other side stays seam to handle, is stayed the aluminium tube of seam along its length；
(3) by the plastic heating of inside and outside polymer plastic expects pipe and extruded machine extrusion, respectively by the interior pipe die of the plastics of extrusion
Inner macromolecule plastic tube is squeezed out, and, by the plastics of extrusion polymer plastic expects pipe outside outer tube head extrusion；
(4) hot melt adhesive is squeezed out on the outer wall of interior polymer plastic expects pipe with hot melt rubber extruding machine, on the outer wall of interior aluminium pipe, it is outer
On the outer wall of aluminium pipe, coextrusion die head coextrusion mold is then entered together with outer polymer plastic expects pipe, after the cold leaching of cold cut i.e.
Obtain the aluminum plastic composite pipe.
7. the processing method of aluminum plastic composite pipe according to claim 6, it is characterised in that：In step (3), the extrusion
Machine is single screw extrusion machine, screw diameter 65mm, draw ratio 28:1.
8. the processing method of aluminum plastic composite pipe according to claim 6, it is characterised in that：In step (4), the hot melt
Rubber extruding machine is single screw extrusion machine, screw diameter 30mm, draw ratio 25:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711393748.2A CN108302260A (en) | 2017-12-21 | 2017-12-21 | A kind of aluminum plastic composite pipe and its processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711393748.2A CN108302260A (en) | 2017-12-21 | 2017-12-21 | A kind of aluminum plastic composite pipe and its processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108302260A true CN108302260A (en) | 2018-07-20 |
Family
ID=62870509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711393748.2A Pending CN108302260A (en) | 2017-12-21 | 2017-12-21 | A kind of aluminum plastic composite pipe and its processing method |
Country Status (1)
| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110877466A (en) * | 2019-11-19 | 2020-03-13 | 樊伟 | Manufacturing method of corrosion-resistant composite pipe |
| CN111765300A (en) * | 2020-06-16 | 2020-10-13 | 临海伟星新型建材有限公司 | Barrier composite pipe and preparation method thereof |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0789007A (en) * | 1993-09-20 | 1995-04-04 | Nippon Steel Corp | Composite-layered steel panel excellent in release resistance |
| JPH11300832A (en) * | 1998-04-17 | 1999-11-02 | C I Kasei Co Ltd | Resin pipe for lining steel pipe and its production |
| CN1252345A (en) * | 1999-10-14 | 2000-05-10 | 青岛化工学院高分子工程材料研究所 | Aluminium-plastic composite pipe molding device |
| CN2702143Y (en) * | 2004-05-18 | 2005-05-25 | 上海白蝶管业科技股份有限公司 | Aluminium coated random copolymerization polypropylene pipe |
| CN1636116A (en) * | 2001-08-09 | 2005-07-06 | 费德罗-莫格尔动力系公司 | Vibration damping flexible sleeving |
| CN2742257Y (en) * | 2004-03-22 | 2005-11-23 | 北京北方精达塑管有限公司 | Smelting connecting aluminium plastic pipe |
| CN1724918A (en) * | 2005-07-01 | 2006-01-25 | 孙经尧 | Aluminium plastic composite pipe and its manufacturing method |
| CN2821360Y (en) * | 2005-09-05 | 2006-09-27 | 胡兴邦 | Heat insulation composite pipe and hot melting rewinding device for processing and producing said heat insulation composite pipe |
| CN201448527U (en) * | 2009-06-12 | 2010-05-05 | 李志雄 | Heat-preservation aluminum-plastic composite pipe |
| CN204254070U (en) * | 2014-11-06 | 2015-04-08 | 浙江沃坦科水暖设备有限公司 | Deng the PPR aluminium-plastic pipe of wall thickness |
| CN105186408A (en) * | 2015-08-07 | 2015-12-23 | 佛山市日丰企业有限公司 | Aluminium-plastic composite tube for cable and preparation method thereof |
-
2017
- 2017-12-21 CN CN201711393748.2A patent/CN108302260A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0789007A (en) * | 1993-09-20 | 1995-04-04 | Nippon Steel Corp | Composite-layered steel panel excellent in release resistance |
| JPH11300832A (en) * | 1998-04-17 | 1999-11-02 | C I Kasei Co Ltd | Resin pipe for lining steel pipe and its production |
| CN1252345A (en) * | 1999-10-14 | 2000-05-10 | 青岛化工学院高分子工程材料研究所 | Aluminium-plastic composite pipe molding device |
| CN1636116A (en) * | 2001-08-09 | 2005-07-06 | 费德罗-莫格尔动力系公司 | Vibration damping flexible sleeving |
| CN2742257Y (en) * | 2004-03-22 | 2005-11-23 | 北京北方精达塑管有限公司 | Smelting connecting aluminium plastic pipe |
| CN2702143Y (en) * | 2004-05-18 | 2005-05-25 | 上海白蝶管业科技股份有限公司 | Aluminium coated random copolymerization polypropylene pipe |
| CN1724918A (en) * | 2005-07-01 | 2006-01-25 | 孙经尧 | Aluminium plastic composite pipe and its manufacturing method |
| CN2821360Y (en) * | 2005-09-05 | 2006-09-27 | 胡兴邦 | Heat insulation composite pipe and hot melting rewinding device for processing and producing said heat insulation composite pipe |
| CN201448527U (en) * | 2009-06-12 | 2010-05-05 | 李志雄 | Heat-preservation aluminum-plastic composite pipe |
| CN204254070U (en) * | 2014-11-06 | 2015-04-08 | 浙江沃坦科水暖设备有限公司 | Deng the PPR aluminium-plastic pipe of wall thickness |
| CN105186408A (en) * | 2015-08-07 | 2015-12-23 | 佛山市日丰企业有限公司 | Aluminium-plastic composite tube for cable and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110877466A (en) * | 2019-11-19 | 2020-03-13 | 樊伟 | Manufacturing method of corrosion-resistant composite pipe |
| CN111765300A (en) * | 2020-06-16 | 2020-10-13 | 临海伟星新型建材有限公司 | Barrier composite pipe and preparation method thereof |
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