CN106633379A - Special large-diameter crosslinked polypropylene spirally enwound structure-wall pipeline for sewage drainage of underground pipe gallery - Google Patents
Special large-diameter crosslinked polypropylene spirally enwound structure-wall pipeline for sewage drainage of underground pipe gallery Download PDFInfo
- Publication number
- CN106633379A CN106633379A CN201610890131.0A CN201610890131A CN106633379A CN 106633379 A CN106633379 A CN 106633379A CN 201610890131 A CN201610890131 A CN 201610890131A CN 106633379 A CN106633379 A CN 106633379A
- Authority
- CN
- China
- Prior art keywords
- crosslinked polypropylene
- pipe gallery
- underground pipe
- weight portion
- parts
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
- C08L2312/08—Crosslinking by silane
Abstract
The invention discloses a special large-diameter crosslinked polypropylene spirally enwound structure-wall pipeline for sewage drainage of a underground pipe gallery, specifically a special large-diameter flange-jointed crosslinked polypropylene PP-X spirally enwound structure-wall pipeline for sewage drainage of the underground pipe gallery. The pipeline is made of crosslinked polypropylene PP-X which comprises, by weight, 100 parts of polypropylene powder, 6-30 parts of reinforcing filling master batches, 2-45 parts of toughening polyethylene, 0.5-5 parts of lubricant, 0.5-3 parts of dicumyl peroxide (DCP) as an initiating agent, 0.5-1.5 parts of dibutyltin dilaurate (DBTL) as a catalyst, 2-10 parts of vinyl trimethoxy silane (VTMOS) as a crosslinking agent, 2-10 parts of unsaturated hydrocarbons as a crosslinking coagent and 0.5-10 parts of color master batches. The special large-diameter crosslinked polypropylene spirally enwound structure-wall pipeline has the advantages of capability of making exposed laying overhead, high bearing strength, high environmental creep stress resistance, aging resistance, long service life, high temperature resistance, abrasion resistance, fire resistance and the like, and is capable of fully meeting requirements of environmental technology on bringing large sewage drainage pipelines into a city pipe gallery.
Description
Technical field
The invention belongs to underground piping technical field, is related to a kind of winding structure tube, more particularly to a kind of buried pipe
The special heavy caliber crosslinked polypropylene winding structure tube of corridor draining blowdown.
Background technology
At present, known draining blow-off line, refers generally to buried use HDPE double-wall corrugated pipe, PVC riffled tubes, HDPE windings
Structured wall popes, RPM etc..Its construction method of installation is generally：Fluting pipe laying, backfill is restored.Pipeline connected mode one
As be spigot-and-socket seal with elastometic washer, also have sweat soldering or heat shrinking sleeve mode to connect；Pipeline the key technical indexes is to bear finger
To the external force in the center of circle, such as ring stiffness；Ring flexibility etc..
Then belong to built on stilts surface mode as piping lane heavy caliber blow-off line, its key technical indexes is from inside to outside
Active force, such as internal pressure bearing capacity；The shear stress that weight and support of the pipeline under the conditions of full packages is produced；Shape is being used with pipeline
Built on stilts section under state carries lower winding degree.
Obviously, traditional buried environment, skill that piping lane heavy caliber blow-off line can not be met with heavy caliber blow-off line
Art is required.
In view of this, nowadays in the urgent need to designing a kind of new underground heavy caliber blow-off line, to overcome existing knot
The drawbacks described above that structure is present.
The content of the invention
The technical problem to be solved is：There is provided a kind of underground pipe gallery draining blowdown special heavy caliber crosslinked polypropylene
Alkene winding structure tube, can improve environment resistant creep stress performance, and ageing-resistant service life is long, high temperature resistant (heat distortion temperature
Improve more than 30 percent), it is wear-resistant, it is fire-retardant.
To solve above-mentioned technical problem, the present invention is adopted the following technical scheme that：
A kind of special heavy caliber crosslinked polypropylene winding structure tube of underground pipe gallery draining blowdown, the material of the pipeline
Including crosslinked polypropylene PP-X, the recipe ingredient of the material of pipeline is：
The polypropylene powder of 100 weight portions；6-30 weight portion enhancing filling master batch；The 2-45 poly- second of weight portion toughness reinforcing
Alkene；0.5-5 weight portion lubricants；0.5-3 weight portion cumyl peroxide DCP are used as initiator；0.5-1.5 weight portion February
Dilaurylate DBTL, as catalyst；2-10 parts by weight of ethylene base trimethoxy silane VTMOS, as crosslinking agent；2-10
Weight portion unsaturation hydro carbons, as crosslinking coagent；0.5-10 weight portion Masterbatch.
The initiator is that the initiator with phenyl ring free radical can be produced after decomposition；The crosslinking agent is double with alkenes
The multi-functional organosilicon alkanes of key；The crosslinking agent is specially vinyltrimethoxy silane VTMOS, or compound organic
The crosslinking agent of silane composition.
A kind of special heavy caliber crosslinked polypropylene winding structure tube of underground pipe gallery draining blowdown, the material of the pipeline
Including crosslinked polypropylene PP-X, the recipe ingredient of the material of pipeline includes：
The polypropylene powder of 100 weight portions；6-30 weight portion enhancing filling master batch；The 2-45 poly- second of weight portion toughness reinforcing
Alkene；0.5-5 weight portion lubricants；The initiator of 0.5-3 weight portions；The catalyst of 0.5-1.5 weight portions；The friendship of 2-10 weight portions
Connection agent；The crosslinking coagent of 2-10 weight portions；The Masterbatch of 0.5-10 weight portions.
Used as a preferred embodiment of the present invention, the initiator is cumyl peroxide DCP；Catalyst is two bays
Sour dibutyl tin DBTL；Crosslinking agent is vinyltrimethoxy silane VTMOS；Crosslinking coagent is unsaturated hydro carbons.
Used as a preferred embodiment of the present invention, the pipeline includes pipeline body, is arranged at the method at pipeline body two ends
Blue bindiny mechanism；Flange bindiny mechanism is fixed on pipeline body using sweat soldering mode.
As a preferred embodiment of the present invention, it is contemplated that the installation region of blow-off pipe is that underground pipe gallery (is also called common
Ditch) special circumstances under built on stilts state, this patent using plastics flange Jing sweat solderings and (PP-X) winding pipe body two
Hold, that is, the production tube two ends of the winding pipe are mounted on adpting flange, are equipped with the O-ring seal of special construction of customization just
Can realize being tightly connected.
Used as a preferred embodiment of the present invention, the initiator is that the initiation with phenyl ring free radical can be produced after decomposition
Agent.
Used as a preferred embodiment of the present invention, the crosslinking agent is the multi-functional organosilan with alkene double bond
Class.
Used as a preferred embodiment of the present invention, the crosslinking agent is vinyltrimethoxy silane VTMOS, or is multiple
Close organosilicon alkanes crosslinking agent.
The beneficial effects of the present invention is：The special heavy caliber crosslinked polypropylene of underground pipe gallery draining blowdown proposed by the present invention
Winding structure tube, the Environmental Technology that can meet piping lane heavy caliber blow-off line is required.
Using the heavy caliber blow-off line of piping lane made by the present invention program, with built on stilts surface bearing strength is good, anti-ring
Border creep stress performance is strong, ageing-resistant service life length, high temperature resistant (heat distortion temperature improve more than 30 percent), wear-resisting
Damage, it is fire-retardant the advantages of；Fully meet the Environmental Technology requirement that down-stream discharge tube includes city piping lane.
Description of the drawings
Fig. 1 is the structural representation of underground pipe gallery heavy caliber winding structure tube of the present invention.
Fig. 2 is the structural representation of piping unit in winding structure tube of the present invention.
Fig. 3 is the structural representation of flange connection unit.
Fig. 4 is the sectional view of sealing strip.
Specific embodiment
Describe the preferred embodiments of the present invention in detail below in conjunction with the accompanying drawings.
Embodiment one
Fig. 1, Fig. 2 are referred to, present invention is disclosed a kind of special heavy caliber crosslinked polypropylene of underground pipe gallery draining blowdown is twined
Around structural walls pipeline (specially special large-diameter flanged interconnection system crosslinked polypropylene PP-X winding arrangements of underground pipe gallery draining blowdown
Wall pipeline), the material of the pipeline includes crosslinked polypropylene PP-X.The recipe ingredient of the material of pipeline is：100 weight portions it is poly-
Propylene powder；6-30 weight portion enhancing filling master batch；2-45 weight portion toughness reinforcing polyethylene；0.5-5 weight portion lubricants；
0.5-3 weight portion cumyl peroxide DCP, as initiator；0.5-1.5 weight portion dibutyl tin laurate DBTL, make
For catalyst；2-10 parts by weight of ethylene base trimethoxy silane VTMOS, as crosslinking agent；2-10 weight portions unsaturation hydro carbons, makees
For crosslinking coagent；0.5-10 weight portion Masterbatch.
The initiator is that the initiator with phenyl ring free radical can be produced after decomposition；The crosslinking agent is double with alkenes
The multi-functional organosilicon alkanes of key；The crosslinking agent is specially vinyltrimethoxy silane VTMOS, or to be compounded with
Machine silane-type cross-linking agent.
It is special circumstances of the underground pipe gallery (being also called common trench) under built on stilts state in view of the installation region of blow-off pipe,
This patent adopts the body two ends of plastics flange Jing sweat solderings and (PP-X) winding pipe, that is, the production tube two of the winding pipe
End is mounted on adpting flange, and the O-ring seal for being equipped with the special construction of customization can be achieved with being tightly connected.
The present invention also discloses the preparation method of above-mentioned crosslinked polypropylene winding structure tube, the preparation method include as
Lower step：
【Step S1】The formula raw and auxiliary material of pipeline is continued to be sufficiently mixed in mixing and blending machine；
The material of the pipeline is crosslinked polypropylene macromolecule modified material, and the macromolecule modified material of crosslinked polypropylene is matched somebody with somebody
Fang Zufen is：The polypropylene powder of 100 weight portions；6-30 weight portion enhancing filling master batch；The 2-45 poly- second of weight portion toughness reinforcing
Alkene；0.5-5 weight portion lubricants；0.5-3 weight portion cumyl peroxide DCP are used as initiator；0.5-1.5 weight portion February
Dilaurylate DBTL, as catalyst；2-10 parts by weight of ethylene base trimethoxy silane VTMOS, as crosslinking agent；2-10
Weight portion unsaturation hydro carbons, as crosslinking coagent；0.5-10 weight portion Masterbatch；
【Step S2】By realizing grafting in 180-220 DEG C of temperature range with response type double screw extruder and being crosslinked,
Extrusion square structure midget tube, being then put in cooling shaping tank carries out further cross-linking reaction and shaping；
【Step S3】Crosslinked polypropylene PP-X winding knots are obtained by setting the winding of diameter capstan winch, Synchronous Welding Technology production
Structure wall heavy caliber blow-off pipe.
Embodiment two
A kind of special heavy caliber crosslinked polypropylene winding structure tube of underground pipe gallery draining blowdown, the material of the pipeline
Including crosslinked polypropylene PP-X, the recipe ingredient of the material of pipeline includes：
The polypropylene powder of 100 weight portions；6-30 weight portion enhancing filling master batch；The 2-45 poly- second of weight portion toughness reinforcing
Alkene；0.5-5 weight portion lubricants；The initiator of 0.5-3 weight portions；The catalyst of 0.5-1.5 weight portions；The friendship of 2-10 weight portions
Connection agent；The crosslinking coagent of 2-10 weight portions；The Masterbatch of 0.5-10 weight portions.
Embodiment three
The present embodiment is with the difference of embodiment one, and in the present embodiment, crosslinked polypropylene macromolecule modified material is matched somebody with somebody
Fang Zufen is：The polypropylene powder of 100 weight portions；30 weight portion enhancing filling master batch；45 weight portion toughness reinforcing polyethylene；5
Weight portion lubricant；3 weight portion cumyl peroxide DCP are used as initiator；1.5 weight portion dibutyl tin laurates
DBTL, as catalyst；10 parts by weight of ethylene base trimethoxy silane VTMOS, as crosslinking agent；10 weight portion unsaturated hydrocarbons
Class, as crosslinking coagent；10 weight portion Masterbatch.
Example IV
The present embodiment is with the difference of embodiment one, and in the present embodiment, crosslinked polypropylene macromolecule modified material is matched somebody with somebody
Fang Zufen is：The polypropylene powder of 100 weight portions；6 weight portion enhancing filling master batch；2 weight portion toughness reinforcing polyethylene；0.5
Weight portion lubricant；0.5 weight portion cumyl peroxide DCP is used as initiator；0.5 weight portion dibutyl tin laurate
DBTL, as catalyst；2 parts by weight of ethylene base trimethoxy silane VTMOS, as crosslinking agent；2 weight portions unsaturation hydro carbons,
As crosslinking coagent；0.5 weight portion Masterbatch.
In sum, the special heavy caliber crosslinked polypropylene winding structure pipe of underground pipe gallery draining blowdown proposed by the present invention
Road, the Environmental Technology that can meet piping lane heavy caliber blow-off line is required.
Using the heavy caliber blow-off line of piping lane made by the present invention program, with built on stilts surface bearing strength is good, anti-ring
Border creep stress performance is strong, ageing-resistant service life length, high temperature resistant (heat distortion temperature improve more than 30 percent), wear-resisting
Damage, it is fire-retardant the advantages of；Fully meet the Environmental Technology requirement that down-stream discharge tube includes city piping lane.
Here description of the invention and application are illustrative, are not wishing to limit the scope of the invention to above-described embodiment
In.The deformation and change of embodiments disclosed herein is possible, real for those skilled in the art
The replacement and equivalent various parts for applying example is known.It should be appreciated by the person skilled in the art that without departing from the present invention
Spirit or essential characteristics in the case of, the present invention can in other forms, structure, arrangement, ratio, and with other components,
Material and part are realizing.In the case of without departing from scope and spirit of the present invention, embodiments disclosed herein can be entered
Other deformations of row and change.
Claims (7)
1. the special heavy caliber crosslinked polypropylene winding structure tube of a kind of underground pipe gallery draining blowdown, it is characterised in that described
The material of pipeline includes crosslinked polypropylene PP-X, and the recipe ingredient of the material of pipeline is：
The polypropylene powder of 100 weight portions；6-30 weight portion enhancing filling master batch；2-45 weight portion toughness reinforcing polyethylene；
0.5-5 weight portion lubricants；0.5-3 weight portion cumyl peroxide DCP, as initiator；The bay of 0.5-1.5 weight portions two
Sour dibutyl tin DBTL, as catalyst；2-10 parts by weight of ethylene base trimethoxy silane VTMOS, as crosslinking agent；2-10 weights
Amount part unsaturation hydro carbons, as crosslinking coagent；0.5-10 weight portion Masterbatch.
The initiator is that the initiator with phenyl ring free radical can be produced after decomposition；The crosslinking agent is with alkene double bond
Multi-functional organosilicon alkanes；The crosslinking agent is specially vinyltrimethoxy silane VTMOS, or has for two or more
Machine silane constitutes multiple crosslinking agent.
2. the special heavy caliber crosslinked polypropylene winding structure tube of a kind of underground pipe gallery draining blowdown, it is characterised in that described
The material of pipeline includes crosslinked polypropylene PP-X, and the recipe ingredient of the material of pipeline includes：
The polypropylene powder of 100 weight portions；6-30 weight portion enhancing filling master batch；2-45 weight portion toughness reinforcing polyethylene；
0.5-5 weight portion lubricants；The initiator of 0.5-3 weight portions；The catalyst of 0.5-1.5 weight portions；The crosslinking of 2-10 weight portions
Agent；The crosslinking coagent of 2-10 weight portions；The Masterbatch of 0.5-10 weight portions.
3. the special heavy caliber crosslinked polypropylene winding structure tube of underground pipe gallery draining blowdown according to claim 2,
It is characterized in that：
The initiator is cumyl peroxide DCP；Catalyst is dibutyl tin laurate DBTL；
Crosslinking agent is vinyltrimethoxy silane VTMOS；Crosslinking coagent is unsaturated hydro carbons.
4. the special heavy caliber crosslinked polypropylene winding structure tube of underground pipe gallery draining blowdown according to claim 2,
It is characterized in that：
The pipeline includes pipeline body, is arranged at the flange bindiny mechanism at pipeline body two ends；Flange bindiny mechanism is using heat
Fusion welding mode is fixed on pipeline body.
5. the special heavy caliber crosslinked polypropylene winding structure tube of underground pipe gallery draining blowdown according to claim 2,
It is characterized in that：
The initiator is that the initiator with phenyl ring free radical can be produced after decomposition.
6. the special heavy caliber crosslinked polypropylene winding structure tube of underground pipe gallery draining blowdown according to claim 2,
It is characterized in that：
The crosslinking agent is the multi-functional organosilicon alkanes with alkene double bond.
7. the special heavy caliber crosslinked polypropylene winding structure tube of underground pipe gallery draining blowdown according to claim 6,
It is characterized in that：
The crosslinking agent is vinyltrimethoxy silane VTMOS, or constitutes composite crosslinking for two or more organosilicon alkanes
Agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610890131.0A CN106633379A (en) | 2016-10-12 | 2016-10-12 | Special large-diameter crosslinked polypropylene spirally enwound structure-wall pipeline for sewage drainage of underground pipe gallery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610890131.0A CN106633379A (en) | 2016-10-12 | 2016-10-12 | Special large-diameter crosslinked polypropylene spirally enwound structure-wall pipeline for sewage drainage of underground pipe gallery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106633379A true CN106633379A (en) | 2017-05-10 |
Family
ID=58855732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610890131.0A Pending CN106633379A (en) | 2016-10-12 | 2016-10-12 | Special large-diameter crosslinked polypropylene spirally enwound structure-wall pipeline for sewage drainage of underground pipe gallery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106633379A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1112582A (en) * | 1993-09-21 | 1995-11-29 | 积水化学工业株式会社 | Plastic foam material composed of polyolefin based resin and silane-modified polymer and method for making same |
| CN101158423A (en) * | 2007-10-22 | 2008-04-09 | 无锡天马塑胶制品有限公司 | Silicone hydride crosslinked polypropylene pipe |
| CN102276913A (en) * | 2011-07-15 | 2011-12-14 | 洛阳市河之阳高分子材料有限公司 | Polypropylene material for MPP (modified polypropylene) jacking pipe |
| CN102850857A (en) * | 2012-09-28 | 2013-01-02 | 四川仁智油田技术服务股份有限公司 | Steel pipeline anticorrosive material and preparation method of steel pipeline anticorrosive material |
| CN103172937A (en) * | 2013-04-11 | 2013-06-26 | 杭州恒标管业有限公司 | Special material for silicane grafted PPR (polypropylene random) pipe and preparation method thereof |
-
2016
- 2016-10-12 CN CN201610890131.0A patent/CN106633379A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1112582A (en) * | 1993-09-21 | 1995-11-29 | 积水化学工业株式会社 | Plastic foam material composed of polyolefin based resin and silane-modified polymer and method for making same |
| CN101158423A (en) * | 2007-10-22 | 2008-04-09 | 无锡天马塑胶制品有限公司 | Silicone hydride crosslinked polypropylene pipe |
| CN102276913A (en) * | 2011-07-15 | 2011-12-14 | 洛阳市河之阳高分子材料有限公司 | Polypropylene material for MPP (modified polypropylene) jacking pipe |
| CN102850857A (en) * | 2012-09-28 | 2013-01-02 | 四川仁智油田技术服务股份有限公司 | Steel pipeline anticorrosive material and preparation method of steel pipeline anticorrosive material |
| CN103172937A (en) * | 2013-04-11 | 2013-06-26 | 杭州恒标管业有限公司 | Special material for silicane grafted PPR (polypropylene random) pipe and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20170510 |