CN113896986A - Modified MPP cable protection pipe - Google Patents
Modified MPP cable protection pipe Download PDFInfo
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- CN113896986A CN113896986A CN202111332016.9A CN202111332016A CN113896986A CN 113896986 A CN113896986 A CN 113896986A CN 202111332016 A CN202111332016 A CN 202111332016A CN 113896986 A CN113896986 A CN 113896986A
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- fly ash
- antioxidant
- coupling agent
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- 239000010881 fly ash Substances 0.000 claims abstract description 33
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000003063 flame retardant Substances 0.000 claims abstract description 28
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 27
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 27
- 239000007822 coupling agent Substances 0.000 claims abstract description 27
- 239000012745 toughening agent Substances 0.000 claims abstract description 26
- -1 polypropylene Polymers 0.000 claims abstract description 25
- 239000004609 Impact Modifier Substances 0.000 claims abstract description 23
- 230000001050 lubricating effect Effects 0.000 claims abstract description 23
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 22
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 22
- 239000004743 Polypropylene Substances 0.000 claims abstract description 21
- 229920001155 polypropylene Polymers 0.000 claims abstract description 21
- 239000004615 ingredient Substances 0.000 claims abstract description 20
- 238000003756 stirring Methods 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 18
- 239000002131 composite material Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000004513 sizing Methods 0.000 claims description 12
- 230000004048 modification Effects 0.000 claims description 8
- 238000012986 modification Methods 0.000 claims description 8
- 239000004709 Chlorinated polyethylene Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- 229920001912 maleic anhydride grafted polyethylene Polymers 0.000 claims description 4
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- 229920009204 Methacrylate-butadiene-styrene Polymers 0.000 claims description 3
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 3
- GTVWRXDRKAHEAD-UHFFFAOYSA-N Tris(2-ethylhexyl) phosphate Chemical compound CCCCC(CC)COP(=O)(OCC(CC)CCCC)OCC(CC)CCCC GTVWRXDRKAHEAD-UHFFFAOYSA-N 0.000 claims description 3
- WWNGFHNQODFIEX-UHFFFAOYSA-N buta-1,3-diene;methyl 2-methylprop-2-enoate;styrene Chemical group C=CC=C.COC(=O)C(C)=C.C=CC1=CC=CC=C1 WWNGFHNQODFIEX-UHFFFAOYSA-N 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical group CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 claims description 3
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims description 2
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 claims description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical group OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims 1
- 238000007605 air drying Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical group [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- WPMYUUITDBHVQZ-UHFFFAOYSA-N 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoic acid Chemical compound CC(C)(C)C1=CC(CCC(O)=O)=CC(C(C)(C)C)=C1O WPMYUUITDBHVQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004801 Chlorinated PVC Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 229920000457 chlorinated polyvinyl chloride Polymers 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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
-
- 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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- 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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the technical field of cable protection pipes, in particular to a modified MPP cable protection pipe which comprises polypropylene, a color ribbon ingredient, high-density polyethylene, fly ash, a lubricating impact modifier, a toughening agent, a coupling agent, a flame retardant, an antioxidant and a compatilizer, wherein the modified MPP cable protection pipe comprises the following components in parts by mass: 100-200 parts of polypropylene, 5-15 parts of color band ingredients, 100-130 parts of high-density polyethylene, 30-40 parts of fly ash, 10-20 parts of lubricating type impact modifier, 10-20 parts of toughening agent, 70-120 parts of coupling agent, 10-30 parts of flame retardant, 30-40 parts of antioxidant and 20-40 parts of compatilizer.
Description
Technical Field
The invention relates to the technical field of cable protection pipes, in particular to a modified MPP cable protection pipe.
Background
The common cable protection tube in the market at present has two kinds of MPP pipe and CPVC pipe. The MPP pipe is divided into an excavation type pipe and a non-excavation type pipe, and the MPP non-excavation pipe is also called as an MPP jacking pipe or a dragging pipe. The MPP pipe is a plastic pipe prepared by adopting modified polypropylene as a main raw material, is one of the most conventional electric power pipes mainly applied to the market at present, but has more and more prominent defects along with the gradual expansion of the application field and the environment, and cannot completely adapt to the environment with high requirements in the aspects of comprehensive properties such as strength, flame retardance and the like, so that the modified MPP cable protection pipe is provided.
Disclosure of Invention
The invention aims to provide a modified MPP cable protection tube to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a modified MPP cable protection tube comprises polypropylene, ribbon ingredients, high-density polyethylene, fly ash, a lubricating impact modifier, a toughening agent, a coupling agent, a flame retardant, an antioxidant and a compatilizer, and the modified MPP cable protection tube comprises the following components in parts by mass: 100-200 parts of polypropylene, 5-15 parts of color band ingredients, 100-130 parts of high-density polyethylene, 30-40 parts of fly ash, 10-20 parts of lubricating type impact modifier, 10-20 parts of toughening agent, 70-120 parts of coupling agent, 10-30 parts of flame retardant, 30-40 parts of antioxidant and 20-40 parts of compatilizer.
As a preferable scheme of the invention, the coupling agent is a phenolic resin silane coupling agent, and the compatilizer is maleic anhydride grafted polyethylene PE-g-MAH.
As a preferable scheme of the invention, the toughening agent is one or a mixture of POE, TPE and EPDM, and the flame retardant is tributyl phosphate, tri (2-ethylhexyl) phosphate and toluene-diphenyl phosphate.
In a preferred embodiment of the present invention, the antioxidant is pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ].
As a preferable scheme of the invention, the lubricating impact modifier is one of methyl methacrylate-butadiene-styrene (MBS) and Chlorinated Polyethylene (CPE) or a mixture thereof.
A modified MPP cable protection tube comprises the following manufacturing process steps:
s1, selecting according to the mass parts: 100-200 parts of polypropylene, 5-15 parts of color band ingredients, 100-130 parts of high-density polyethylene, 30-40 parts of fly ash, 10-20 parts of lubricating type impact modifier, 10-20 parts of toughening agent, 70-120 parts of coupling agent, 10-30 parts of flame retardant, 30-40 parts of antioxidant and 20-40 parts of compatilizer.
S2, naturally drying the fly ash, grinding the fly ash by a KNM type quick grinder for use, adding polypropylene, high-density polyethylene, fly ash and a lubricating type impact modifier into a reaction kettle, heating and stirring the mixture for modification, and then sequentially adding a toughening agent, a coupling agent, a flame retardant, an antioxidant and a compatilizer into the reaction kettle for full stirring to obtain a composite material;
and S3, heating, blending and extruding the composite material and the color ribbon ingredients by a screw extruder, shaping by a die orifice, sizing in vacuum, and cooling and shaping by spraying.
As a preferable scheme of the invention, the modification treatment working temperature of the S2 reaction kettle is 100-150 ℃, the low-speed stirring is carried out for 30-50 min, and the toughening agent, the coupling agent, the flame retardant, the antioxidant and the compatilizer are added and then the reaction kettle is continuously stirred for 30-40 min.
As a preferable scheme of the invention, the head temperature of the S2 screw extruder is 250-260 ℃, the temperature of the screw cylinder is 230-240 ℃, and the rotating speed of the screw is 300-400 r/min.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the interface performance of a binary system of high-density polyethylene/inorganic fiber is improved by taking maleic anhydride grafted polyethylene PE-g-MAH as a compatilizer, the fly ash has the advantages of light particle weight, high mechanical property, more active groups, excellent electrical property and the like, the integral impact strength can be greatly improved by the high-density polyethylene, the flexibilizer, the coupling agent and the compatilizer, meanwhile, the tensile strength and the bending strength are also greatly improved, the integral use quality and the integral use effect are improved, the flame retardance and the oxidation resistance of the protection tube can be better by the arranged flame retardant and the antioxidant, and the integral use safety is improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
The invention provides a technical scheme that:
a modified MPP cable protection tube comprises polypropylene, ribbon ingredients, high-density polyethylene, fly ash, a lubricating impact modifier, a toughening agent, a coupling agent, a flame retardant, an antioxidant and a compatilizer, and the modified MPP cable protection tube comprises the following components in parts by mass: 100-200 parts of polypropylene, 5-15 parts of color band ingredients, 100-130 parts of high-density polyethylene, 30-40 parts of fly ash, 10-20 parts of lubricating type impact modifier, 10-20 parts of toughening agent, 70-120 parts of coupling agent, 10-30 parts of flame retardant, 30-40 parts of antioxidant and 20-40 parts of compatilizer.
The coupling agent is phenolic resin silane coupling agent, and the compatilizer is maleic anhydride grafted polyethylene PE-g-MAH.
The toughening agent is one or a mixture of POE, TPE and EPDM, and the flame retardant is tributyl phosphate, tri (2-ethylhexyl) phosphate and toluene-diphenyl phosphate.
The antioxidant is selected from tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester.
The lubricating impact modifier is one or a mixture of methyl methacrylate-butadiene-styrene (MBS) and Chlorinated Polyethylene (CPE).
A modified MPP cable protection tube comprises the following manufacturing process steps:
s1, selecting according to the mass parts: 100-200 parts of polypropylene, 5-15 parts of color band ingredients, 100-130 parts of high-density polyethylene, 30-40 parts of fly ash, 10-20 parts of lubricating type impact modifier, 10-20 parts of toughening agent, 70-120 parts of coupling agent, 10-30 parts of flame retardant, 30-40 parts of antioxidant and 20-40 parts of compatilizer.
S2, naturally drying the fly ash, grinding the fly ash by a KNM type quick grinder for use, adding polypropylene, high-density polyethylene, fly ash and a lubricating type impact modifier into a reaction kettle, heating and stirring the mixture for modification, and then sequentially adding a toughening agent, a coupling agent, a flame retardant, an antioxidant and a compatilizer into the reaction kettle for full stirring to obtain a composite material;
and S3, heating, blending and extruding the composite material and the color ribbon ingredients by a screw extruder, shaping by a die orifice, sizing in vacuum, and cooling and shaping by spraying.
And (3) stirring the modified treatment in the S2 reaction kettle at a low speed for 30-50 min at the working temperature of 100-150 ℃, adding the toughening agent, the coupling agent, the flame retardant, the antioxidant and the compatilizer, and then continuously stirring the reaction kettle for 30-40 min.
S2 the head temperature of the screw extruder is 250-260 ℃, the barrel temperature is 230-240 ℃, and the screw rotation speed is 300-400 r/min.
Example 1: selecting the following components in parts by mass: 100 parts of polypropylene, 5 parts of ribbon ingredients, 100 parts of high-density polyethylene, 30 parts of fly ash, 10 parts of lubricating type impact modifier, 10 parts of toughening agent, 70 parts of coupling agent, 10 parts of flame retardant, 30 parts of antioxidant and 20 parts of compatilizer, naturally air-drying the fly ash, grinding the fly ash by a KNM type quick grinder, adding the polypropylene, the high-density polyethylene, the fly ash and the lubricating type impact modifier into a reaction kettle, heating and stirring the mixture for modification treatment, stirring the mixture at a low speed of 100-150 ℃ for 30-50 min, then sequentially adding the toughening agent, the coupling agent, the flame retardant, the antioxidant and the compatilizer into the reaction kettle, fully stirring the mixture for 30-40 min to obtain a composite material, heating and blending the composite material and the ribbon ingredients by a screw extruder, extruding the head temperature of the screw extruder to 250-260 ℃, the temperature of a screw cylinder to 230-240 ℃, and rotating the screw at a speed of 300-400 r/min, and performing die orifice sizing, vacuum sizing and spray cooling sizing.
Example 2: selecting the following components in parts by mass: 150 parts of polypropylene, 10 parts of ribbon ingredients, 120 parts of high-density polyethylene, 35 parts of fly ash, 15 parts of lubricating type impact modifier, 15 parts of toughening agent, 90 parts of coupling agent, 20 parts of flame retardant, 35 parts of antioxidant and 30 parts of compatilizer, naturally air-drying the fly ash, grinding the fly ash by a KNM type quick grinder, adding the polypropylene, the high-density polyethylene, the fly ash and the lubricating type impact modifier into a reaction kettle, heating and stirring the mixture for modification treatment, stirring the mixture at a low speed of 100-150 ℃ for 30-50 min, then sequentially adding the toughening agent, the coupling agent, the flame retardant, the antioxidant and the compatilizer into the reaction kettle, fully stirring the mixture for 30-40 min to obtain a composite material, heating and blending the composite material and the ribbon ingredients by a screw extruder, extruding the head temperature of the screw extruder to 250-260 ℃, the temperature of a screw cylinder to 230-240 ℃, and rotating the screw at a speed of 300-400 r/min, and performing die orifice sizing, vacuum sizing and spray cooling sizing.
Example 3: selecting the following components in parts by mass: 200 parts of polypropylene, 15 parts of ribbon ingredients, 130 parts of high-density polyethylene, 40 parts of fly ash, 20 parts of lubricating type impact modifier, 20 parts of toughening agent, 120 parts of coupling agent, 30 parts of flame retardant, 40 parts of antioxidant and 40 parts of compatilizer, naturally air-drying the fly ash, grinding the fly ash by a KNM type quick grinder, adding the polypropylene, the high-density polyethylene, the fly ash and the lubricating type impact modifier into a reaction kettle, heating and stirring the mixture for modification treatment, stirring the mixture at a low speed of 100-150 ℃ for 30-50 min, then sequentially adding the toughening agent, the coupling agent, the flame retardant, the antioxidant and the compatilizer into the reaction kettle, fully stirring the mixture for 30-40 min to obtain a composite material, heating and blending the composite material and the ribbon ingredients by a screw extruder, extruding the head temperature of the screw extruder to 250-260 ℃, the temperature of a screw cylinder to 230-240 ℃, and rotating the screw at a speed of 300-400 r/min, and performing die orifice sizing, vacuum sizing and spray cooling sizing.
The mechanical and flame retardancy tests of the 3 examples are given in the following Table
The table above shows that the modified MPP cable protection tube manufactured in example 2 has high mechanical properties and flame retardant properties.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A modified MPP cable protection tube comprises polypropylene, ribbon ingredients, high-density polyethylene, fly ash, a lubricating type impact modifier, a toughening agent, a coupling agent, a flame retardant, an antioxidant and a compatilizer, and is characterized in that the modified MPP cable protection tube comprises the following components in parts by mass: 100-200 parts of polypropylene, 5-15 parts of color band ingredients, 100-130 parts of high-density polyethylene, 30-40 parts of fly ash, 10-20 parts of lubricating type impact modifier, 10-20 parts of toughening agent, 70-120 parts of coupling agent, 10-30 parts of flame retardant, 30-40 parts of antioxidant and 20-40 parts of compatilizer.
2. The modified MPP cable protection tube of claim 1, wherein the coupling agent is phenolic silane coupling agent and the compatibilizer is maleic anhydride grafted polyethylene PE-g-MAH.
3. The modified MPP cable protection tube of claim 1, wherein the toughening agent is POE, TPE or EPDM or their mixture, and the flame retardant is tributyl phosphate, tri (2-ethylhexyl) phosphate or tolylene diphenyl phosphate.
4. The modified MPP cable protection tube of claim 1, wherein the antioxidant is selected from pentaerythritol tetrakis [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ].
5. The modified MPP cable protection tube of claim 1, wherein the lubricating impact modifier is selected from methyl methacrylate-butadiene-styrene (MBS), Chlorinated Polyethylene (CPE) or their mixture.
6. The modified MPP cable protection tube of claim 1, comprising the following manufacturing process steps:
s1, selecting according to the mass parts: 100-200 parts of polypropylene, 5-15 parts of color band ingredients, 100-130 parts of high-density polyethylene, 30-40 parts of fly ash, 10-20 parts of lubricating type impact modifier, 10-20 parts of toughening agent, 70-120 parts of coupling agent, 10-30 parts of flame retardant, 30-40 parts of antioxidant and 20-40 parts of compatilizer.
S2, naturally drying the fly ash, grinding the fly ash by a KNM type quick grinder for use, adding polypropylene, high-density polyethylene, fly ash and a lubricating type impact modifier into a reaction kettle, heating and stirring the mixture for modification, and then sequentially adding a toughening agent, a coupling agent, a flame retardant, an antioxidant and a compatilizer into the reaction kettle for full stirring to obtain a composite material;
and S3, heating, blending and extruding the composite material and the color ribbon ingredients by a screw extruder, shaping by a die orifice, sizing in vacuum, and cooling and shaping by spraying.
7. The modified MPP cable protection tube of claim 6, wherein the working temperature of the modification treatment in the S2 reaction kettle is 100-150 ℃ and the low speed stirring is carried out for 30-50 min, and the toughening agent, the coupling agent, the flame retardant, the antioxidant and the compatilizer are added and the reaction kettle is continuously stirred for 30-40 min.
8. The modified MPP cable protection tube of claim 6, wherein the head temperature of the S2 screw extruder is 250-260 ℃, the barrel temperature is 230-240 ℃, and the screw rotation speed is 300-400 r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111332016.9A CN113896986A (en) | 2021-11-11 | 2021-11-11 | Modified MPP cable protection pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111332016.9A CN113896986A (en) | 2021-11-11 | 2021-11-11 | Modified MPP cable protection pipe |
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| Publication Number | Publication Date |
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| CN113896986A true CN113896986A (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111332016.9A Pending CN113896986A (en) | 2021-11-11 | 2021-11-11 | Modified MPP cable protection pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115772293A (en) * | 2022-12-28 | 2023-03-10 | 四川潽鑫科技集团有限公司 | Preparation process of MPP (modified Polypropylene) power protective sleeve |
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| CN103724810A (en) * | 2013-12-31 | 2014-04-16 | 广东三凌塑料管材有限公司 | Polypropylene cable protective sleeve |
| CN107118440A (en) * | 2017-06-12 | 2017-09-01 | 安徽国登管业科技有限公司 | Polypropylene-polyethylene multiple tube and preparation method thereof |
| CN110358186A (en) * | 2019-07-04 | 2019-10-22 | 镇江华科通信设备有限公司 | A kind of heat-resistant fireproof MPP cable protection pipe and preparation method thereof |
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2021
- 2021-11-11 CN CN202111332016.9A patent/CN113896986A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103724810A (en) * | 2013-12-31 | 2014-04-16 | 广东三凌塑料管材有限公司 | Polypropylene cable protective sleeve |
| CN107118440A (en) * | 2017-06-12 | 2017-09-01 | 安徽国登管业科技有限公司 | Polypropylene-polyethylene multiple tube and preparation method thereof |
| CN110358186A (en) * | 2019-07-04 | 2019-10-22 | 镇江华科通信设备有限公司 | A kind of heat-resistant fireproof MPP cable protection pipe and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 吴培熙等: "《聚合物共混改性》", 31 August 2017, 中国轻工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115772293A (en) * | 2022-12-28 | 2023-03-10 | 四川潽鑫科技集团有限公司 | Preparation process of MPP (modified Polypropylene) power protective sleeve |
| CN115772293B (en) * | 2022-12-28 | 2024-04-09 | 四川潽鑫科技集团有限公司 | Preparation process of MPP electric power sheath tube |
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