CN107215007B - High-strength polypropylene conduit and preparation method thereof - Google Patents
High-strength polypropylene conduit and preparation method thereof Download PDFInfo
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- CN107215007B CN107215007B CN201710494761.0A CN201710494761A CN107215007B CN 107215007 B CN107215007 B CN 107215007B CN 201710494761 A CN201710494761 A CN 201710494761A CN 107215007 B CN107215007 B CN 107215007B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a general shape other than plane
- B32B1/08—Tubular products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
- B32B27/281—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyimides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/03—3 layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
Abstract
The invention discloses a kind of high-strength polypropylene conduits, including outer layer, middle layer and internal layer, wherein the outer layer and internal layer are all made of the preparation of MPP PP Pipe Compound, and the middle layer is using functional thermoplastic polyimide material preparation；And in parts by weight, the raw material components of the MPP PP Pipe Compound include: 78-82 parts of acrylic resin, 10.8-18.4 parts of inorganic filling material, 0.8-1.2 parts of coupling agent, 1-3 parts of toughener, 0.8-1.5 parts of lubricant, 1-1.5 parts of antioxidant.The invention has the advantages that comprehensive performance is preferable.The invention also discloses the preparation methods of the high-strength polypropylene conduit.
Description
Technical field
The present invention relates to tubing technical fields, more particularly, to a kind of high-strength polypropylene conduit.The invention further relates to this
The preparation method of high-strength polypropylene conduit.
Background technique
Currently, the application field of MPP power cable tubing is increasingly extensive, inevitably exist in use it is some urgently
Improved place.Be concentrated mainly on trenchless engineering construction on, to the butt-fusion welded joint tensile strength of MPP pipeline, ring stiffness,
The coefficient of sliding friction, volume resistivity propose very high requirement.
Summary of the invention
The object of the present invention is to provide a kind of high-strength polypropylene conduits, it has the characteristics that comprehensive performance is preferable.This hair
It is bright to also disclose the preparation method of the high-strength polypropylene conduit.
The technical scheme adopted by the invention is that: high-strength polypropylene conduit,
The high-strength polypropylene conduit includes outer layer, middle layer and internal layer, wherein the outer layer and internal layer are all made of MPP
PP Pipe Compound preparation, the middle layer is using functional thermoplastic polyimide material preparation；And
In parts by weight, the raw material components of the MPP PP Pipe Compound include:
78-82 parts of acrylic resin, 10.8-18.4 parts of inorganic filling material, 0.8-1.2 parts of coupling agent, toughener 1-3
Part, 0.8-1.5 parts of lubricant, 1-1.5 parts of antioxidant.
The preparation method of the high-strength polypropylene conduit proprietary material, comprising the following steps:
(1) each raw material is sought by component；
(2) high-speed mixer is preheating to organism temperature up to 80 DEG C；
(3) inorganic filling material is poured into 15-20min of stirring in the high-speed mixer, mixing speed is 500-700r/
min；
(4) coupling agent is poured into 15-20min of stirring in the high-speed mixer, mixing speed is 500-700r/min；
(5) acrylic resin, toughener, lubricant, antioxidant are poured into 5-8min of stirring in the high-speed mixer, stirred
Mixing speed is 150-180r/min, at this point, forming mixture in the high-speed mixer；
(6) feed opening that gained mixture is added to double-screw extruding pelletizing machine is squeezed out later, which makes
The extrusion revolving speed of grain machine is 150-180r/min, to squeeze out hot shape material strips；
(7) it will be granulated after the cooling of hot shape material strips, obtain MPP PP Pipe Compound；
(8) inside and outside layer is added in MPP PP Pipe Compound, middle layer is passed through using functional thermoplastic polyimide material granule
Composite pipe squeezes out high-strength polypropylene conduit.
The invention has the advantages that compared with the prior art: comprehensive performance is preferable.High-strength polypropylene of the invention
Conduit uses MPP PP Pipe Compound using three-decker, especially internal layer and outer layer, and prepared cable can not only be held in operation
By alternating voltage, DC voltage can be also born, the attack of atmosphere voltage (thunder and lightning) and switching overvoltage can also be coped with.Meanwhile
Middle layer makes conduit not only there is common polymide dielectric resistance to wear and is excellent using functional thermoplastic polyimide material
Characteristic also has good hot-working character, with injection molding and melting extrusion, can greatly reduce the complexity of equipment, improve
Production efficiency reduces cost.
Specific embodiment
Embodiment 1
High-strength polypropylene conduit, including outer layer, middle layer and internal layer.In the present embodiment 1, the thickness of each layer is identical,
For 0.5mm.Wherein, the outer layer and internal layer are all made of the preparation of MPP PP Pipe Compound, and the middle layer is using functional thermoplastic polyimide
Material preparation.
In parts by weight, the raw material components of the MPP PP Pipe Compound include:
78 parts of acrylic resin, 18.4 parts of inorganic filling material, 0.8 part of coupling agent, 1 part of toughener, 0.8 part of lubricant,
1 part of antioxidant.
The preparation method of the high-strength polypropylene conduit proprietary material, comprising the following steps:
(1) each raw material is sought by component；
(2) high-speed mixer is preheating to organism temperature up to 80 DEG C；
(3) inorganic filling material is poured into the high-speed mixer and stirs 15min, mixing speed 500r/min；
(4) coupling agent is poured into the high-speed mixer and stirs 15min, mixing speed 500r/min；
(5) acrylic resin, toughener, lubricant, antioxidant are poured into the high-speed mixer and stirs 5min, stirring speed
Degree is 150r/min, at this point, forming mixture in the high-speed mixer；
(6) feed opening that gained mixture is added to double-screw extruding pelletizing machine is squeezed out later, which makes
The extrusion revolving speed of grain machine is 150r/min, to squeeze out hot shape material strips；
(7) it will be granulated after the cooling of hot shape material strips, obtain MPP PP Pipe Compound；
(8) inside and outside layer is added in MPP PP Pipe Compound, middle layer is passed through using functional thermoplastic polyimide material granule
Composite pipe squeezes out high-strength polypropylene conduit 1.
Embodiment 2
High-strength polypropylene conduit, including outer layer, middle layer and internal layer.In the present embodiment 2, the thickness of outer layer and internal layer is equal
For 0.5mm, middle layer with a thickness of 1mm.Wherein, the outer layer and internal layer are all made of the preparation of MPP PP Pipe Compound, which uses function
It can the preparation of property thermoplastic polyimide material.
In parts by weight, the raw material components of the MPP PP Pipe Compound include:
80 parts of acrylic resin, 15 parts of inorganic filling material, 1 part of coupling agent, 2 parts of toughener, 1.2 parts of lubricant, antioxygen
1.3 parts of agent.
The preparation method of the high-strength polypropylene conduit proprietary material, comprising the following steps:
(1) each raw material is sought by component；
(2) high-speed mixer is preheating to organism temperature up to 90 DEG C；
(3) inorganic filling material is poured into the high-speed mixer and stirs 18min, mixing speed 600r/min；
(4) coupling agent is poured into the high-speed mixer and stirs 18min, mixing speed 600r/min；
(5) acrylic resin, toughener, lubricant, antioxidant are poured into the high-speed mixer and stirs 7min, stirring speed
Degree is 160r/min, at this point, forming mixture in the high-speed mixer；
(6) feed opening that gained mixture is added to double-screw extruding pelletizing machine is squeezed out later, which makes
The extrusion revolving speed of grain machine is 170r/min, to squeeze out hot shape material strips；
(7) it will be granulated after the cooling of hot shape material strips, obtain MPP PP Pipe Compound；
(8) inside and outside layer is added in MPP PP Pipe Compound, middle layer is passed through using functional thermoplastic polyimide material granule
Composite pipe squeezes out high-strength polypropylene conduit 2.
Embodiment 3
High-strength polypropylene conduit, including outer layer, middle layer and internal layer.In the present embodiment 3, outer layer with a thickness of 0.3mm,
The thickness of internal layer be 0.5mm, middle layer with a thickness of 1mm.Wherein, the outer layer and internal layer are all made of the preparation of MPP PP Pipe Compound, should
Middle layer is using functional thermoplastic polyimide material preparation.
In parts by weight, the raw material components of the MPP PP Pipe Compound include:
82 parts of acrylic resin, 10.8 parts of inorganic filling material, 1.2 parts of coupling agent, 3 parts of toughener, 1.5 parts of lubricant,
1.5 parts of antioxidant.
The preparation method of the high-strength polypropylene conduit proprietary material, comprising the following steps:
(1) each raw material is sought by component；
(2) high-speed mixer is preheating to organism temperature up to 100 DEG C；
(3) inorganic filling material is poured into the high-speed mixer and stirs 20min, mixing speed 700r/min；
(4) coupling agent is poured into the high-speed mixer and stirs 20min, mixing speed 700r/min；
(5) acrylic resin, toughener, lubricant, antioxidant are poured into the high-speed mixer and stirs 8min, stirring speed
Degree is 180r/min, at this point, forming mixture in the high-speed mixer；
(6) feed opening that gained mixture is added to double-screw extruding pelletizing machine is squeezed out later, which makes
The extrusion revolving speed of grain machine is 180r/min, to squeeze out hot shape material strips；
(7) it will be granulated after the cooling of hot shape material strips, obtain MPP PP Pipe Compound；
(8) inside and outside layer is added in MPP PP Pipe Compound, middle layer is passed through using functional thermoplastic polyimide material granule
Composite pipe squeezes out high-strength polypropylene conduit 3.
Effect example
According to usual manner, the property of high-strength polypropylene conduit 1-3 is squeezed out to composite pipe prepared by embodiment 1-3
It can be carried out test, and compared with conventional material, as a result be see the table below:
As can be seen from the above table, the volume resistivity of high-strength polypropylene conduit of the invention is big, dielectric constant is low, has
The anti-breakdown performance of excellent dielectric；The coefficient of sliding friction is low, and it is excellent to have during no-dig technique that coefficient of friction is small, resistance is small
Performance.Simultaneously as the polyimide material performance that middle layer uses is more excellent, there is melting extrusion characteristic, sufficiently high
At a temperature of, it, can the coextru-lamination under certain melt viscosity with dedicated extruder extrusion plasticizing.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure or equivalent flow shift made by present specification is applied directly or indirectly in other relevant technologies
Field is included within the scope of the present invention.
Claims (1)
1. high-strength polypropylene conduit, it is characterised in that:
The high-strength polypropylene conduit includes outer layer, middle layer and internal layer, wherein it is dedicated that the outer layer and internal layer are all made of MPP
Material preparation, the middle layer is using functional thermoplastic polyimide material preparation；And
In parts by weight, the raw material components of the MPP PP Pipe Compound include:
78-82 parts of acrylic resin, 10.8-18.4 parts of inorganic filling material, 0.8-1.2 parts of coupling agent, 1-3 parts of toughener, profit
0.8-1.5 parts of lubrication prescription, 1-1.5 parts of antioxidant；And
The preparation method of the high-strength polypropylene conduit proprietary material, comprising the following steps:
(1) each raw material is sought by component；
(2) high-speed mixer is preheating to organism temperature up to 80 DEG C；
(3) inorganic filling material is poured into 15-20min of stirring in the high-speed mixer, mixing speed is 500-700r/min；
(4) coupling agent is poured into 15-20min of stirring in the high-speed mixer, mixing speed is 500-700r/min；
(5) acrylic resin, toughener, lubricant, antioxidant are poured into 5-8min of stirring in the high-speed mixer, stirring speed
Degree is 150-180r/min, at this point, forming mixture in the high-speed mixer；
(6) feed opening that gained mixture is added to double-screw extruding pelletizing machine is squeezed out later, the double-screw extruding pelletizing machine
Extrusion revolving speed be 150-180r/min, to squeeze out hot shape material strips；
(7) it will be granulated after the cooling of hot shape material strips, obtain MPP PP Pipe Compound；
(8) inside and outside layer is added in MPP PP Pipe Compound, middle layer is using functional thermoplastic polyimide material granule, by compound
Tube extrusion high-strength polypropylene conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710494761.0A CN107215007B (en) | 2017-06-26 | 2017-06-26 | High-strength polypropylene conduit and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710494761.0A CN107215007B (en) | 2017-06-26 | 2017-06-26 | High-strength polypropylene conduit and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN107215007A CN107215007A (en) | 2017-09-29 |
| CN107215007B true CN107215007B (en) | 2019-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710494761.0A Active CN107215007B (en) | 2017-06-26 | 2017-06-26 | High-strength polypropylene conduit and preparation method thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114030256A (en) * | 2021-08-07 | 2022-02-11 | 广东电网有限责任公司广州供电局 | Polypropylene composite material and preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5729646A (en) * | 1994-04-15 | 1998-03-17 | Hitachi Cable Ltd. | Optical hollow waveguide, method for fabricating the same, and laser transmission apparatus using the same |
| CN102506241A (en) * | 2011-11-19 | 2012-06-20 | 江苏百安居管业有限公司 | Heat-insulation oxygen-blocking antibacterial high impact polypropylene tube and manufacturing method thereof |
| CN102837454A (en) * | 2012-08-30 | 2012-12-26 | 广东威立瑞科技有限公司 | Highlight and low-friction three-layer coextruded MPP (Modified Polypropylene) pipe and production method thereof |
| CN103709516A (en) * | 2013-12-26 | 2014-04-09 | 宁波波尔管业开发有限公司 | High-strength polypropylene cable protection sleeve material and preparation method thereof |
| CN205038984U (en) * | 2015-09-01 | 2016-02-17 | 上海盛蒂斯自动化设备有限公司 | Industrial insulation protection cable |
-
2017
- 2017-06-26 CN CN201710494761.0A patent/CN107215007B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5729646A (en) * | 1994-04-15 | 1998-03-17 | Hitachi Cable Ltd. | Optical hollow waveguide, method for fabricating the same, and laser transmission apparatus using the same |
| CN102506241A (en) * | 2011-11-19 | 2012-06-20 | 江苏百安居管业有限公司 | Heat-insulation oxygen-blocking antibacterial high impact polypropylene tube and manufacturing method thereof |
| CN102837454A (en) * | 2012-08-30 | 2012-12-26 | 广东威立瑞科技有限公司 | Highlight and low-friction three-layer coextruded MPP (Modified Polypropylene) pipe and production method thereof |
| CN103709516A (en) * | 2013-12-26 | 2014-04-09 | 宁波波尔管业开发有限公司 | High-strength polypropylene cable protection sleeve material and preparation method thereof |
| CN205038984U (en) * | 2015-09-01 | 2016-02-17 | 上海盛蒂斯自动化设备有限公司 | Industrial insulation protection cable |
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| CN107215007A (en) | 2017-09-29 |
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