CN2900991Y - Rigid super stable random copolymerized polyacrylic pipe - Google Patents
Rigid super stable random copolymerized polyacrylic pipe Download PDFInfo
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- CN2900991Y CN2900991Y CN 200620088998 CN200620088998U CN2900991Y CN 2900991 Y CN2900991 Y CN 2900991Y CN 200620088998 CN200620088998 CN 200620088998 CN 200620088998 U CN200620088998 U CN 200620088998U CN 2900991 Y CN2900991 Y CN 2900991Y
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- layer
- adhesive layer
- pipe
- random copolymer
- plastic layer
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Abstract
A rigid overstable tube of polypropylene random copolymer is characterized in that, the compound tube comprises an inner plastic layer of polypropylene random copolymer PP-R, an inner adhesive layer of modified polypropylene hot melt adhesive, a middle layer of aluminum products, an outer adhesive layer of modified polypropylene hot melt adhesive and an outer plastic layer of polypropylene random copolymer PP-R. The utility model has the advantages of simple manufacturing technique, easy production, and no need of increasing special equipment, aside from the advantages of the common PP-R pipe and plastic-aluminum compound tube, the utility model also solves the defects that the intensity of the common PP-R pipe is low and the common plastic-aluminum compound tube can't be fritting connected, thereby can be extensive used in various field, and having a great social benefit and economic benefit instead of metal pipes.
Description
(1) technical field:
The utility model relates to a kind of aluminium-plastic composite pipe, particularly relates to the super steady polypropylene random copolymer pipe of a kind of rigidity.
(2) background technique:
Aluminium-plastic composite pipe is a chemical building material pipeline of new generation, owing to have plastic tube anticorrosive property and the high advantage of metal pipe intensity concurrently, and be used widely in all gases transportation art such as various fluids such as hot and cold water, acid, alkali, salt and combustion gas.The aluminum current plastic composite is generally the polyethylene aluminium plastic composite pipe, and the pipe fittings such as thread types or clamp-press type that adopt are connected more between tubing and the tubing, ubiquity junction surface discontinuity, cost height, not withstand voltage, long-term use shortcoming such as leak.Especially seepy question is the problem of restriction aluminium-plastic composite pipe industry development always, the pipe fitting design of various structures occurred in order to prevent seepage, but leakage problems can solve fundamentally never.Common polypropylene pipe has good antiseptic property, and can connect by hot melt, but because its intensity is low, has also limited it and both required the application in the high place of intensity at some.In general, aluminium-plastic composite pipe has the advantage of plastic tube and metal pipe concurrently, but the super steady polypropylene random copolymer pipe of rigidity does not appear in the newspapers so far.
(3) summary of the invention
The purpose of this utility model is exactly the deficiency that exists at above-mentioned prior art, and a kind of random copolymerization propylene stable state aluminium-plastic composite pipe is provided.
The technological scheme that adopts is:
The super steady polypropylene random copolymer pipe of rigidity, comprise body, it is characterized in that described body is by adhesive layer in random copolymerization propylene PP-R inner plastic layer, the modified polypropene hot melt adhesive, aluminium material mesosphere, the outer adhesive layer of modified polypropene hot melt adhesive and random copolymerization propylene PP-R outer plastic layer is superimposed constitutes.
Above-mentioned pipe diameter is 10-120mm; Each layer thickness is: inner plastic layer 1 is 1～30mm; Interior adhesive layer 2 is 0.001～1mm; Middle aluminium lamination 3 is 0.05～2.00mm; Outer adhesive layer 4 is 0.001～1mm; Outer plastic layer 5 is 1～10mm.
When above-mentioned pipe diameter was 20mm, each layer thickness was: inner plastic layer 1 is 1.5～5.0mm; Interior adhesive layer 2 is 0.001～1mm; Middle aluminium lamination 3 is 0.1～0.2mm; Outer adhesive layer 4 is 0.001～1mm; Outer plastic layer 5 is 0.3～2.0mm.
When above-mentioned pipe diameter was 25mm, each layer thickness was: inner plastic layer 1 is 2.0～8.0mm; Interior adhesive layer 2 is 0.001～1mm; Middle aluminium lamination 3 is 0.1～0.3mm; Outer adhesive layer 4 is 0.001～1mm; Outer plastic layer 5 is 0.5～2.5mm.
When above-mentioned pipe diameter was 40mm, each layer thickness was: inner plastic layer 1 is 3.0～10.0mm; Interior adhesive layer 2 is 0.001～1mm; Middle aluminium lamination 3 is 0.1～0.5mm; Outer adhesive layer 4 is 0.001～1mm; Outer plastic layer 5 is 1.0～3.0mm.
When above-mentioned pipe diameter was 63mm, each layer thickness was: inner plastic layer 1 is 5.0～13.5mm; Interior adhesive layer 2 is 0.001～1mm; Middle aluminium lamination 3 is 0.1～1.0mm; Outer adhesive layer 4 is 0.001～1mm; Outer plastic layer 5 is 1.0～3.0mm.
When above-mentioned pipe diameter was 75mm, each layer thickness was: inner plastic layer 1 is 7.0～15.0mm; Interior adhesive layer 2 is 0.001～1mm; Middle aluminium lamination 3 is 0.1～1.2mm; Outer adhesive layer 4 is 0.001～1mm; Outer plastic layer 5 is 1.0～3.0mm.
When above-mentioned pipe diameter was 110mm, each layer thickness was: inner plastic layer 1 is 10.5～22.5mm; Interior adhesive layer 2 is 0.001～1mm; Middle aluminium lamination 3 is 0.1～1.4mm; Outer adhesive layer 4 is 0.001～1mm; Outer plastic layer 5 is 1.0～3.0mm.
The preparation method of the above-mentioned Co-polypropylene aluminium-plastic composite pipe of the utility model is: manufacturing equipment adopts PP-R pipe unit and aluminium strip moulding co-extrusion system, process is on the production line, the PP-R extruder is extruded the plastic layer that contains random copolymerization polypropylene PP-R, after the cooling of vacuum sizing case sizing, aluminium strip uncoiling moulding, scribble modification polypropylene hot melt adhesive on the aluminium strip, through multistage hot blast welding gun the gluing aluminium strip is evenly heated, aluminium strip is bonded on the interior plastic tube, coat outer modification polypropylene hot melt adhesive by the outer layer glue extruder again, processing temperature is 190 ℃-240 ℃, coat by the outer layer plastic rubber extruding machine simultaneously and contain copolymerization polypropylene plastic layer, at this moment 190 ℃-240 ℃ of processing temperatures will contain Co-polypropylene modification aluminium-plastic composite pipe and cool off by tank, cutting, the packing back becomes finished product.
The utility model has the advantages that manufacturing process is simple, produce easily, need not to increase special equipment, it is except that the advantage that has common PP-R pipe and aluminium-plastic composite pipe concurrently, and also having solved common PP-R simultaneously, to manage intensity low, the conventional aluminium plastic composite can not the hot melt connection etc. shortcoming.Can be widely used in various fields, replace metal pipe to have very big social benefit and economic benefit.
(4) description of drawings:
Accompanying drawing 1 is a polypropylene aluminium composite pipe.
(5) embodiment:
Embodiment one
See also Fig. 1, the super steady polypropylene random copolymer pipe of the utility model rigidity, comprise body 6, body 6 constitutes by adhesive layer 2 in atactic copolymerized polypropene PP-R inner plastic layer 1, the modified polypropene hot melt adhesive, aluminium material mesosphere 3, the outer adhesive layer 4 of modified polypropene hot melt adhesive, atactic copolymerized polypropene PP-R outer plastic layer 5 are superimposed, the diameter of its middle tube body 6 is 40mm, and each layer thickness is: the bed thickness of polypropylene outer plastic layer 5 is 1.5mm; The bed thickness of outer adhesive layer 4 is 0.1mm; The bed thickness in aluminium material mesosphere 3 is 0.2mm; The bed thickness of interior adhesive layer 2 is 0.1mm; The bed thickness of polypropylene inner plastic layer 1 is 7.0mm.
Embodiment two
The diameter of body 6 is φ 63mm, and each layer thickness is: the bed thickness of polypropylene outer plastic layer 5 is 1.7mm; The bed thickness of outer adhesive layer 4 is 0.1mm; The bed thickness in aluminium material mesosphere 3 is 0.55mm; The bed thickness of interior adhesive layer 2 is 0.1mm; The bed thickness of polypropylene inner plastic layer 1 is 11.6mm.
Embodiment three
The diameter of body 6 is φ 75mm, and each layer thickness is: the bed thickness of polypropylene outer plastic layer 5 is 1.9mm; The bed thickness of outer adhesive layer 4 is 0.1mm; The bed thickness in aluminium material mesosphere 3 is 0.8mm; The bed thickness of interior adhesive layer 2 is 0.1mm; The bed thickness of polypropylene inner plastic layer 1 is 13.5mm.
Embodiment four
The diameter of body 6 is φ 110mm, and each layer thickness is: the bed thickness of polypropylene outer plastic layer 5 is 2.1mm; The bed thickness of outer adhesive layer 4 is 0.1mm; The bed thickness in aluminium material mesosphere 3 is 1.0mm;
The bed thickness of interior adhesive layer 2 is 0.1mm; The bed thickness of polypropylene inner plastic layer 1 is 21.3mm.
Claims (8)
1, the super steady polypropylene random copolymer pipe of rigidity, comprise body (6), it is characterized in that: described body (6) is by adhesive layer (2), aluminium material mesosphere (3), the outer adhesive layer (4) of modified polypropene hot melt adhesive, the superimposed formation of atactic copolymerized polypropene PP-R outer plastic layer (5) in atactic copolymerized polypropene PP-R (1), the modified poly ethylene hot melt adhesive.
2, according to the super steady polypropylene random copolymer pipe of the described rigidity of claim 1, the diameter that it is characterized in that described body (6) is 16～120mm, and each layer thickness is:
Inner plastic layer (1) 1～30mm;
Interior adhesive layer (2) 0.001～1mm;
Middle aluminium lamination (3) 0.05～2.00mm;
Outer adhesive layer (4) 0.001～1mm;
Outer plastic layer (5) 1～10mm.
3, according to the super steady polypropylene random copolymer pipe of the described rigidity of claim 2, it is characterized in that: when the diameter of described body (6) was 20mm, each layer thickness was:
Inner plastic layer (1) 1.5～5.0mm;
Interior adhesive layer (2) 0.001～1mm;
Middle aluminium lamination (3) 0.1～0.2mm;
Outer adhesive layer (4) 0.001～1mm;
Outer plastic layer (5) 0.3～2.0mm.
4, according to the super steady polypropylene random copolymer pipe of the described rigidity of claim 2, it is characterized in that: when the diameter of described body (6) was 25mm, each layer thickness was:
Inner plastic layer (1) 2.0～8.0mm;
Interior adhesive layer (2) 0.001～1mm;
Middle aluminium lamination (3) 0.1～0.3mm;
Outer adhesive layer (4) 0.001～1mm;
Outer plastic layer (5) 0.5～2.5mm.
5, according to the super steady polypropylene random copolymer pipe of the described rigidity of claim 2, it is characterized in that: when the diameter of described body (6) was 40mm, each layer thickness was:
Inner plastic layer (1) 3.0～10.0mm;
Interior adhesive layer (2) 0.001～1mm;
Middle aluminium lamination (3) 0.1～0.5mm;
Outer adhesive layer (4) 0.001～1mm;
Outer plastic layer (5) 1.0～3.0mm.
6, according to the super steady polypropylene random copolymer pipe of the described rigidity of claim 2, it is characterized in that: when the diameter of described body (6) was 63mm, each layer thickness was:
Inner plastic layer (1) 5.0～13.5mm;
Interior adhesive layer (2) 0.001～1mm;
Middle aluminium lamination (3) 0.1～1.0mm;
Outer adhesive layer (4) 0.001～1mm;
Outer plastic layer (5) 1.0～3.0mm.
7, according to the super steady polypropylene random copolymer pipe of the described rigidity of claim 2, it is characterized in that: when the diameter of described body (6) was 75mm, each layer thickness was:
Inner plastic layer (1) 7.0～15.0mm;
Interior adhesive layer (2) 0.001～1mm;
Middle aluminium lamination (3) 0.1～1.2mm;
Outer adhesive layer (4) 0.001～1mm;
Outer plastic layer (5) 1.0～3.0mm.
8, according to the super steady polypropylene random copolymer pipe of the described rigidity of claim 2, it is characterized in that: when the diameter of described body (6) was 110mm, each layer thickness was:
Inner plastic layer (1) 10.5～22.5mm;
Interior adhesive layer (2) 0.001～1mm;
Middle aluminium lamination (3) 0.1～1.4mm;
Outer adhesive layer (4) 0.001～1mm;
Outer plastic layer (5) 1.0～3.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620088998 CN2900991Y (en) | 2006-01-18 | 2006-01-18 | Rigid super stable random copolymerized polyacrylic pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620088998 CN2900991Y (en) | 2006-01-18 | 2006-01-18 | Rigid super stable random copolymerized polyacrylic pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2900991Y true CN2900991Y (en) | 2007-05-16 |
Family
ID=38085155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620088998 Expired - Lifetime CN2900991Y (en) | 2006-01-18 | 2006-01-18 | Rigid super stable random copolymerized polyacrylic pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2900991Y (en) |
-
2006
- 2006-01-18 CN CN 200620088998 patent/CN2900991Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070516 |
|
| EXPY | Termination of patent right or utility model |