CN1302221C - Aluminium plastic composite pipe and its manufacturing method - Google Patents
Aluminium plastic composite pipe and its manufacturing method Download PDFInfo
- Publication number
- CN1302221C CN1302221C CNB2005100212097A CN200510021209A CN1302221C CN 1302221 C CN1302221 C CN 1302221C CN B2005100212097 A CNB2005100212097 A CN B2005100212097A CN 200510021209 A CN200510021209 A CN 200510021209A CN 1302221 C CN1302221 C CN 1302221C
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- Prior art keywords
- aluminium
- pipe
- aluminium strip
- plastic
- plastic composite
- 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
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 79
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 239000004033 plastic Substances 0.000 title claims abstract description 71
- 229920003023 plastic Polymers 0.000 title claims abstract description 71
- 239000002131 composite material Substances 0.000 title claims abstract description 29
- 239000004411 aluminium Substances 0.000 title claims description 59
- 238000004519 manufacturing process Methods 0.000 title abstract 4
- 239000000463 material Substances 0.000 claims abstract description 23
- 229920001155 polypropylene Polymers 0.000 claims abstract description 16
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 15
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000004743 Polypropylene Substances 0.000 claims abstract description 15
- -1 polypropylene Polymers 0.000 claims abstract description 15
- 229920000642 polymer Polymers 0.000 claims abstract description 9
- 239000004831 Hot glue Substances 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 239000000654 additive Substances 0.000 claims abstract description 3
- 230000000996 additive effect Effects 0.000 claims abstract description 3
- 238000002360 preparation method Methods 0.000 claims description 14
- 238000000465 moulding Methods 0.000 claims description 12
- 229920001903 high density polyethylene Polymers 0.000 claims description 8
- 239000004700 high-density polyethylene Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 5
- 238000004132 cross linking Methods 0.000 claims description 5
- 239000004597 plastic additive Substances 0.000 claims description 5
- 230000008719 thickening Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000011230 binding agent Substances 0.000 claims description 4
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 abstract description 5
- 230000008961 swelling Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 229920002521 macromolecule Polymers 0.000 abstract 5
- 238000007334 copolymerization reaction Methods 0.000 abstract 1
- 238000007654 immersion Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 13
- 239000000758 substrate Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention provides an aluminum plastic compound pipe and a manufacture method thereof, wherein the aluminum plastic compound pipe of the present invention contains an aluminum strip layer among macromolecule plastic material layers, an aluminum strip is provided with a plurality of holes, a hot-melt adhesive sticking layer is arranged among the macromolecule plastic material layers and the aluminum strip layer, and macromolecule plastic materials are filled with additive acrylic acid. The manufacture method of the present invention is characterized in that the aluminum strip is perforated firstly and is welded into a pipe through the treatment of heating, fixing a diameter and butting seams, and then, the macromolecule plastic materials, the acrylic acid and padding are mixed sufficiently to heat and extrude a macromolecule plastic polymer and manufacture an inner and an outer plastic pipes. The inner and the outer plastic pipes and an aluminum pipe provided with holes and uniformly coated with polypropylene hot-melt adhesive enter a mould cavity of a co-extruded mould head together, and co-polymerization forming reaction is completed through heating, temperature raising, pressure raising, constant temperature and constant pressure. Through changing the structural form of composite materials, the present invention improves pipe strength, low temperature resisting performance and hot and cold alternation resisting performance and can better restrain a swelling phenomenon caused by the immersion of hydrocarbon-type oil.
Description
Technical field
The invention belongs to the aluminium plastic composite material field, be specifically related to a kind of aluminium-plastic composite pipe and preparation method thereof.The present invention can substitute existing steel pipe, copper pipe, nylon tube, rubber pipe, is adapted to the use under the severe environmental conditions.
Background technique
Aluminium-plastic composite pipe has good performance, has wide range of applications.But existing conventional aluminium plastic composite is to be made of plastics-aluminium strip-plastics mostly, the intermediate interface coated with thermosol, coextru-lamination forms through extruder, its low-temperature working effect is bad, cold-resistant hot Alternating Test poor performance, long-time transferring hydrocarbons can produce the swelling phenomenon when oily, has limited the application of aluminium-plastic composite pipe in automobile, engineering field.
Chinese patent (publication number CN2612859, patent No. ZL03230313.0) discloses the patent of invention technology of invention and created name for " aluminium-plastic composite pipe that a kind of aluminium net strengthens ".Offer sieve aperture on the aluminium framework layer in the middle of being characterized in, adhesive layer, the outer adhesive layer of hot melt adhesive can be worn (lead to) and cross sieve (net) hole on the framework layer in the hot melt adhesive, make these two heat crucible zones continuous each other, the adhesion intensity of having reinforced interlayer structure.Its deficiency is that the compressive strength of middle aluminium framework layer is poor, still is difficult to satisfy the needs of low-temperature working.
Summary of the invention
At bad, the cold-resistant hot Alternating Test poor performance of above-mentioned low-temperature working effect of existing aluminium-plastic composite pipe existence, the deficiency of compressive strength difference, the invention provides a kind of aluminium-plastic composite pipe and preparation method thereof.Aluminium-plastic composite pipe of the present invention can use under the abominable working environment of low temperature, and cold-resistant hot Alternating Test performance is good, the compressive strength height.
A kind of aluminium-plastic composite pipe of the present invention comprises: high molecule plastic material layer, aluminium strip layer and bonding dose of layer of hot melt adhesive, between the high molecule plastic material layer, contain the aluminium strip layer, aluminium strip is provided with a plurality of holes, between high molecule plastic material layer and the aluminium strip layer adhesives layer is arranged, in the high molecule plastic material, add additive acrylic acid.
Hole on the aluminium strip is one or more in circular, square, oval, triangle or other shape.
Hole on the aluminium strip is the combination at random in circular, square, oval, triangle or other shape.
Preparation the present invention used high molecule plastic material can adopt a kind of in high density polyethylene (HDPE), polypropylene, polyester, the polystyrene; Hot melt adhesive adopts the polypropylene thermal melten gel for bonding dose.
The used aluminium strip of preparation the present invention adopts the aluminium strip of thickening type, and the thickness that increases 0.1mm～0.2mm than common aluminium strip is better.
The used plastic additive of preparation the present invention is 3%～8% acrylic acid solution.
Aluminium strip punches by following rule: the aperture of porose aluminium strip is 5mm～8mm, and cross-drilled hole is arranged as the equal distance in three holes, and the vertical core spacing is about 3 times of cross-drilled hole spacing.
The spacing of arranging in the pore size shape on the aluminium strip, hole can be carried out suitable adjustment or variation according to the variation of caliber size.
The preparation method of a kind of aluminium-plastic composite pipe of the present invention, its characteristics are may further comprise the steps:
A) earlier aluminium strip is punched by certain rule of arranging;
B) aluminium strip becomes the aluminium semicanal via pre-shaping mechanism;
C) aluminium semicanal heater via is heated to about 200 ℃, and pipe die sizing opposite joint is processed into depanning behind the aluminum pipe in entering then, is welded into pipe;
D) high molecule plastic material, acrylic acid are fully mixed with filler, be heated to 160 ℃～170 ℃, extrude through extruder;
E) the plastics high molecular polymer of extruding is extruded internal plastic tube with interior pipe die, the while blowing out pressurised air is internally moulded enlargement of pipe and is exerted pressure;
F) the plastics high molecular polymer extruded is extruded with outer pipe die moulded pipe outward, outer glue is moulded outward be coated on the aluminum pipe outer wall;
G) the polypropylene thermal melten gel is uniformly coated on the inside and outside wall of porose aluminum pipe;
H) with internal plastic tube, mould pipe outward and enter in the die cavity of co-extrusion die head with the porose aluminum pipe that evenly is coated with the polypropylene thermal melten gel;
I) in the die cavity, about heat temperature raising to 210 ℃, boost to more than the 6Mpa, constant temperature, constant voltage 1～5 hour are finished the copolyreaction moulding;
J) after tubing is finished the copolyreaction moulding, adopt circulating water cooling mode to be cooled to room temperature, deposited again 5～12 hours, finish cross-linking reaction.
Aluminium-plastic composite pipe of the present invention adopts the aluminium strip layer that has a plurality of holes, makes its structural type change into " decentralized " complex form by " stratiform " complex form of conventional aluminium plastic composite, has improved the combined strength bination of aluminium-plastic composite pipe and the toughness of tubing self.Adopt after the porose aluminium strip layer, participating in each compound component lumps together by " hole ", their the compound adhesive bonds that do not only depend on, also have matrix and strengthen inhibition that body produces each other by hole, contend with and rely on, thereby strengthened cohesion between each component, improved the integrity of tubing self.
The present invention is soaked generation swelling phenomenon in order to suppress plastic substrate for a long time by hydrocarbon-type oil, at the plastic substrate elder generation adding acrylic acid that is used for preparing aluminium-plastic composite pipe, the macromolecular material generation copolyreaction of acrylic acid and plastic substrate in the process of High Temperature High Pressure compound molding then, form the bigger polymer of molecular weight, plastic substrate by passive by adhesive bonds, become and initiatively participate in reaction and bonding, compact more orderly being coated on around the porose aluminium strip of the big molecule of polymer line style that reaction and bonding form, porose aluminium strip and plastic substrate more closely are combined into an integral body, thereby have increased the ability that opposing swelling phenomenon takes place.
The present invention is by adopting porose aluminium strip and add acrylic acid in plastic matrix, changed the structural type of aluminium plastic composite material, improved the mechanical property of tubing self, the resistance to low temperature and the cold-resistant hot alternation performance of tubing have been improved, can suppress swelling phenomenon preferably through the generation of hydrocarbon-type oil long period of soaking, its the ring stress and radially compressive strength all apparently higher than existing aluminium-plastic composite pipe its minimum serviceability temperature is reduced to about 50 ℃; The present invention is applicable to pipe-line systems such as cold and hot plumbing in the fields such as automotive industry, civil engineering construction, heating, combustion gas, fuel delivery, also can be used for the use under other lower temperature environments condition.
Embodiment
Embodiment 1
The used high molecule plastic material material of preparation the present invention adopts high density polyethylene (HDPE), binder adopts the polypropylene thermal melten gel, employing is than the aluminium strip of the thickening type of common aluminium strip increase 0.2mm, and the hole on the aluminium strip is circular, and plastic additive employing concentration is 5% acrylic acid solution.
The preparation process of aluminium-plastic composite pipe may further comprise the steps:
A) earlier aluminium strip is punched by certain rule of arranging, be rolled into tubulose then, through being welded into porose aluminum pipe;
B) aluminium strip finish through unreeling machine, tape splicing machine and storage cassette holder unreel, tape splicing and storage band;
C) aluminium strip becomes the aluminium semicanal via the pre-shaping mechanism of installing on the jig;
D) the aluminium semicanal enters interior pipe die then through about the heater heats to 200 on the jig ℃;
E) aluminium semicanal depanning after interior pipe die sizing opposite joint is processed into aluminum pipe is welded into pipe;
F) high density polyethylene (HDPE), acrylic acid are fully mixed with filler, be heated to about 170 ℃, extrude through extruder;
G) the plastics high molecular polymer of extruding is extruded internal plastic tube with interior pipe die, the while blowing out pressurised air is internally moulded enlargement of pipe and is exerted pressure;
H) the plastics high molecular polymer of extruding is extruded the outer pipe of moulding with outer pipe die; Outer glue moulded outward be coated on the aluminum pipe outer wall;
I) the polypropylene thermal melten gel is uniformly coated on the inside and outside wall of porose aluminum pipe;
J) with internal plastic tube, mould pipe outward and enter in the die cavity of co-extrusion die head with the porose aluminum pipe that evenly is coated with the polypropylene thermal melten gel;
K) in the die cavity, about heat temperature raising to 210 ℃, boost to more than the 6Mpa, constant temperature, constant voltage 3 hours are finished the copolyreaction moulding;
L) after tubing is finished the copolyreaction moulding, adopt circulating water cooling mode to be cooled to room temperature, deposited again 8 hours, finish cross-linking reaction.
Embodiment 2
The used high molecule plastic material material of preparation the present invention adopts polypropylene PP-R, binder adopts the polypropylene thermal melten gel, employing is than the aluminium strip of the thickening type of common aluminium strip increase 0.1mm, and the hole on the aluminium strip is a triangle, and plastic additive employing concentration is 3% acrylic acid solution.
Preparation process is the same substantially, wherein step k) in the die cavity, about heat temperature raising to 220 ℃, boost to 6Mpa, constant temperature, constant voltage 5 hours are finished the copolyreaction moulding; Step l) after tubing is finished the copolyreaction moulding, adopt circulating water cooling mode to be cooled to room temperature, deposited again 10 hours, finish cross-linking reaction.
Embodiment 3
The used high molecule plastic material material of preparation the present invention adopts polystyrene, binder adopts the polypropylene thermal melten gel, employing increases the aluminium strip of the thickening type of 0.2mm than common aluminium strip, hole on the aluminium strip is square, oval alternately arrangement, and plastic additive employing concentration is 8% acrylic acid solution.
Preparation process is the same substantially, wherein step k) in the die cavity, about heat temperature raising to 210 ℃, boost to 6Mpa, constant temperature, constant voltage 3 hours are finished the copolyreaction moulding; Step l) after tubing is finished the copolyreaction moulding, adopt circulating water cooling mode to be cooled to room temperature, deposited again 6 hours, finish cross-linking reaction.
Claims (7)
1. aluminium-plastic composite pipe, comprise the bonding layer of high molecule plastic material layer, aluminium strip layer and hot melt adhesive, between the high molecule plastic material layer, contain the aluminium strip layer, aluminium strip is provided with a plurality of holes, the bonding layer of hot melt adhesive is arranged between high molecule plastic material layer and the aluminium strip layer, it is characterized in that: add additive acrylic acid in the high molecule plastic material of described aluminium-plastic composite pipe.
2. a kind of aluminium-plastic composite pipe according to claim 1 is characterized in that: the hole on the aluminium strip of described aluminium strip layer is in circular, square, oval, triangle or other shape one or more.
3. a kind of aluminium-plastic composite pipe according to claim 1 is characterized in that: the hole on the aluminium strip of described aluminium strip layer is the combination at random in circular, square, oval, triangle or other shape.
4. a kind of aluminium-plastic composite pipe according to claim 1 is characterized in that: described high molecule plastic material adopts a kind of in high density polyethylene (HDPE), polypropylene, polyester, the polystyrene; Binder adopts the polypropylene thermal melten gel.
5. a kind of aluminium-plastic composite pipe according to claim 3 is characterized in that: described aluminium strip adopts the aluminium strip of thickening type.
6. a kind of aluminium-plastic composite pipe according to claim 3 is characterized in that: described plastic additive is 3%～8% acrylic acid solution.
7. the preparation method of the aluminium-plastic composite pipe of a claim 1, its characteristics are may further comprise the steps:
A) earlier aluminium strip is punched by certain rule of arranging;
B) aluminium strip becomes the aluminium semicanal via pre-shaping mechanism;
C) aluminium semicanal heater via is heated to about 200 ℃, and pipe die sizing opposite joint is processed into depanning behind the aluminum pipe in entering then, is welded into pipe:
D) high molecule plastic material, acrylic acid are fully mixed with filler, be heated to 160 ℃～170 ℃, extrude through extruder;
E) the plastics high molecular polymer of extruding is extruded internal plastic tube with interior pipe die, the while blowing out pressurised air is internally moulded enlargement of pipe and is exerted pressure;
F) the plastics high molecular polymer extruded is extruded with outer pipe die moulded pipe outward, outer glue is moulded outward be coated on the aluminum pipe outer wall;
G) the polypropylene thermal melten gel is uniformly coated on the inside and outside wall of porose aluminum pipe;
H) with internal plastic tube, mould pipe outward and enter in the die cavity of co-extrusion die head with the porose aluminum pipe that evenly is coated with the polypropylene thermal melten gel;
I) in the die cavity, about heat temperature raising to 210 ℃, boost to more than the 6MPa, constant temperature, constant voltage 1～5 hour are finished the copolyreaction moulding;
J) after tubing is finished the copolyreaction moulding, adopt circulating water cooling mode to be cooled to room temperature, deposited again 5～12 hours, finish cross-linking reaction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100212097A CN1302221C (en) | 2005-07-01 | 2005-07-01 | Aluminium plastic composite pipe and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100212097A CN1302221C (en) | 2005-07-01 | 2005-07-01 | Aluminium plastic composite pipe and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1724918A CN1724918A (en) | 2006-01-25 |
| CN1302221C true CN1302221C (en) | 2007-02-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100212097A Expired - Fee Related CN1302221C (en) | 2005-07-01 | 2005-07-01 | Aluminium plastic composite pipe and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1302221C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101608720B (en) * | 2008-06-19 | 2012-11-14 | 上海爱康新型建材有限公司 | PP-R stabi composite pipe and split handpiece structure for manufacturing same |
| CN103114649B (en) * | 2013-01-16 | 2016-03-16 | 孙经尧 | A kind of construction method of the aluminium plastic composite material lightweight structures building containing seismic isolation apparatus |
| CN108302260A (en) * | 2017-12-21 | 2018-07-20 | 安徽中电气有限公司 | A kind of aluminum plastic composite pipe and its processing method |
| CN108329555A (en) * | 2017-12-21 | 2018-07-27 | 安徽中电气有限公司 | A kind of processing method of low temperature resistant aluminum plastic composite pipe |
| CN110877466A (en) * | 2019-11-19 | 2020-03-13 | 樊伟 | Manufacturing method of corrosion-resistant composite pipe |
| CN110861331A (en) * | 2019-11-19 | 2020-03-06 | 樊伟 | Manufacturing method of aluminum butt welding type composite pipe |
| CN111136984A (en) * | 2019-12-18 | 2020-05-12 | 安徽森泰木塑集团股份有限公司 | Composite section bar |
| CN114147084B (en) * | 2021-11-09 | 2024-04-30 | 湖北塑金复合材料有限责任公司 | Gluing and punching aluminum strip for composite pipe and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1294969A (en) * | 2000-11-14 | 2001-05-16 | 胶州市绿华塑料机械有限公司 | Manufacture of composite aluminium-plastic pipe and aluminium pipe orienting and fitting unit |
| CN1333440A (en) * | 2000-07-12 | 2002-01-30 | 长沙市圆通实业有限公司 | Five-stage production technology for aluminium-plastics combined pipe |
| CN2612859Y (en) * | 2003-04-09 | 2004-04-21 | 骆光勤 | A aluminum net reinforced aluminum-plastic compound pipe |
| CN2612860Y (en) * | 2003-03-31 | 2004-04-21 | 义乌市洁康管业有限公司 | Random copolymerized polypropene compound tube |
-
2005
- 2005-07-01 CN CNB2005100212097A patent/CN1302221C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1333440A (en) * | 2000-07-12 | 2002-01-30 | 长沙市圆通实业有限公司 | Five-stage production technology for aluminium-plastics combined pipe |
| CN1294969A (en) * | 2000-11-14 | 2001-05-16 | 胶州市绿华塑料机械有限公司 | Manufacture of composite aluminium-plastic pipe and aluminium pipe orienting and fitting unit |
| CN2612860Y (en) * | 2003-03-31 | 2004-04-21 | 义乌市洁康管业有限公司 | Random copolymerized polypropene compound tube |
| CN2612859Y (en) * | 2003-04-09 | 2004-04-21 | 骆光勤 | A aluminum net reinforced aluminum-plastic compound pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1724918A (en) | 2006-01-25 |
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