CN103709516A - High-strength polypropylene cable protection sleeve material and preparation method thereof - Google Patents
High-strength polypropylene cable protection sleeve material and preparation method thereof Download PDFInfo
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- CN103709516A CN103709516A CN201310739973.2A CN201310739973A CN103709516A CN 103709516 A CN103709516 A CN 103709516A CN 201310739973 A CN201310739973 A CN 201310739973A CN 103709516 A CN103709516 A CN 103709516A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
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- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a high-strength polypropylene cable protection sleeve material, comprising the following raw materials in parts by weight: 100 parts of polypropylene, 1-3 parts of flexibilizer, 8-16 parts of inorganic material, 0.8-1.2 parts of coupling agent, 0.8-1.5 parts of lubricant and 1-1.5 parts of antioxidant. The parameters of the high-strength polypropylene cable protection sleeve material are as follows: the tensile strength is greater than or equal to 22MPa, the vicat softening temperature is greater than or equal to 150 DEG C, the elasticity modulus is greater than or equal to 1000MPa, and the bending strength is greater than or equal to 36MPa. The high-strength polypropylene cable protection sleeve material disclosed by the invention has the advantage of good performance, so as to adapt to preparation of the cable protection sleeve. The invention also discloses a preparation method of the high-strength polypropylene cable protection sleeve material.
Description
Technical field
The present invention relates to material technology field, especially relate to a kind of high-strength polypropylene cable sheath tube material.The invention still further relates to the preparation method of this high-strength polypropylene cable sheath tube material.
Background technology
At present, along with the development of China's urban construction, the laying of the buried pipe industry such as electric power, telecommunications and reparation are like a raging fire carrying out, and the promotion and application of cable sheath tube in China's electric power, telecommunications industry also grow with each passing hour.Have data to show, 2010,80% of Shanghai Information pipeline construction adopted non-excavation polypropylene cable sheath pipe.The underground substation of Shanghai maximum has been built in greenery patches under Chengdu road is overhead, and its cable laying also adopts non-excavation polypropylene cable sheath pipe construction.There are more than 60000 kilometers of power overhead network and telecommunication s rack ceases to be busys Central Shanghai, underground more than 5000 kilometers have been entered at present, the non-excavation polypropylene cable sheath tubing construction of basic employing, expection, within the time of following about 5 to 10 years, is expected to all high-altitude cable systems that is called as aerial " Spider Web " " to enter ground ".That is to say, along with city adopts embedded underground cable with the propelling of transferring electric power work, the plastic protecting casing demand of using as protection cable increases severely.Wherein, applying more is PVC cable sheath tube and modified polypropene cable sheath tube.
Yet because the Vicat softening point of PVC material is in 80 left and right, and PVC material has the shortcomings such as poor toughness, therefore the performance of PVC cable sheath tube cannot meet the service requirements of high-tension cable.And modified polypropene cable sheath tube has obtained certain lifting with respect to the performance of PVC cable sheath tube, but the electric insulating quality of such cable sheath tube, high thermal resistance and low temperature impact properties and tension, resistance to compression, bending resistance aspect have certain defect.
Summary of the invention
The object of this invention is to provide a kind of high-strength polypropylene cable sheath tube material, it is better that it has performance, thereby adapt to the feature of preparing cable sheath tube.Another object of the present invention is to provide a kind of preparation method of high-strength polypropylene cable sheath tube material.
The technical solution adopted in the present invention is: high-strength polypropylene cable sheath tube material, and it comprises by weight:
Polypropylene---------100 parts,
Toughner---------1～3 part,
8～16 parts of inorganic materials------,
Coupling agent---------0.8～1.2 part,
Lubricant---------0.8～1.5 part,
Oxidation inhibitor---------1～1.5 part.
Described toughner is: a kind of in ethylene propylene rubber, terpolymer EP rubber, ethylene-vinyl acetate copolymer.
Described inorganic materials is: a kind of in precipitation barite, talcum powder, precipitated chalk, kaolin, wollastonite, and granularity is 1250～2500 orders.
Described coupling agent is: a kind of in aluminate coupling agent, titanate coupling agent, silane coupling agent.
Described lubricant is: a kind of in polyethylene wax, stearic acid, white oil.
Described oxidation inhibitor is: a kind of in antioxidant CA, antioxidant 1010, irgasfos 168.
The parameter of described high-strength polypropylene cable sheath tube material is: tensile strength >=22MPa, vicat softening temperature >=150 ℃, Young's modulus >=1000MPa, flexural strength >=36MPa.
The advantage that high-strength polypropylene cable sheath tube material of the present invention has is: performance is better, thereby adapt to, prepares cable sheath tube.High-strength polypropylene cable sheath tube material of the present invention is according to the requirement of rigid inorganic material particulate reinforcement mechanism and the requirement of elastic body toughening mechanism, polypropylene cable sheath tube material is made to modification, make its physicals and electric insulating quality all can meet high-tension cable and lay the requirement of using.Wherein, adopt the surface treatment of coupling agent to rigid particles, can increase the loading level of inorganic materials, reduce plastic material production cost, and can improve the performances such as notched Izod impact strength, mechanical moduli and thermotolerance of material, integral body has improved quality and economy and the social benefit of this polypropylene cable sheath pipe, also can meet the requirement of construction simultaneously completely.Meanwhile, for polypropylene embrittlement, the shortcoming of poor toughness, high-strength polypropylene cable sheath tube material of the present invention has added toughner, the method that adopts reaction to extrude, makes material improve polyacrylic toughness when obtaining rigidity, has solved inorganic materials and polyacrylic consistency.
The preparation method of high-strength polypropylene cable sheath tube material, in turn includes the following steps:
(1) high-speed mixer is preheating to organism temperature and reaches 70～90 ℃;
(2) inorganic materials is poured in this high-speed mixer and stirred 15～20 minutes, and stirring velocity is 500～800 revs/min;
(3) coupling agent is poured in this high-speed mixer and stirred 10～20 minutes, and stirring velocity keeps 500～800 revs/min;
(4) polypropylene, toughner, lubricant, oxidation inhibitor being poured into this high-speed mixing stirring 5～8 minutes and stirring velocity is 150-200 rev/min, thereby forms compound in this homogenizer;
(5) charging opening that gained compound in step (4) is joined to double-screw extruding pelletizing machine is extruded afterwards, and meanwhile, the rotating speed of extruding of this extruding granulator is 120～380 revs/min, thereby extrudes hot shape material strips;
(6) after the hot shape material strips of step (5) gained is cooling, carrying out granulation gets product.
In described step (1), body preheating temperature is 80 ℃; Stirring velocity in step (2) is 750 revs/min; Churning time in step (3) is 15 minutes; The rotating speed of extruding in step (5) is 150-200 rev/min.
The preparation method of high-strength polypropylene cable sheath tube material of the present invention is by comparatively ripe equipment, through the technical parameter of optimizing, especially polypropylene cable sheath tube material has been carried out to the processing of extruding, reached that preparation cost is lower, operation is comparatively simple, and improved to a certain extent the effect of product performance.
Embodiment
Embodiment 1
High-strength polypropylene cable sheath tube material, comprising:
Polypropylene---------100kg;
Toughner---------1kg, this toughner adopts ethylene propylene rubber;
Inorganic materials------8kg, this inorganic materials adopts precipitation barite, and its granularity is 1250 orders;
Coupling agent---------0.8kg, this coupling agent adopts aluminate coupling agent;
Lubricant---------0.8kg, this lubricant adopts polyethylene wax;
---------1kg, this oxygenant adopts antioxidant CA to oxidation inhibitor.
The preparation method of this high-strength polypropylene cable sheath tube material, in turn includes the following steps:
(1) high-speed mixer is preheating to organism temperature and reaches 70 ℃;
(2) inorganic materials is poured in this high-speed mixer and stirred 15 minutes, and stirring velocity is 500 revs/min;
(3) coupling agent is poured in this high-speed mixer and stirred 10 minutes, and stirring velocity keeps 500 revs/min;
(4) polypropylene, toughner, lubricant, oxidation inhibitor being poured into this high-speed mixing stirring 5 minutes and stirring velocity is 150 revs/min, thereby forms compound in this homogenizer;
(5) charging opening that gained compound in step (4) is joined to double-screw extruding pelletizing machine is extruded afterwards, and meanwhile, the rotating speed of extruding of this extruding granulator is 120 revs/min, thereby extrudes hot shape material strips;
(6) after the hot shape material strips of step (5) gained is cooling, carry out granulation and get product 1.
Embodiment 2
High-strength polypropylene cable sheath tube material, comprising:
Polypropylene---------100kg;
Toughner---------1.5kg, this toughner adopts terpolymer EP rubber;
Inorganic materials------10kg, this inorganic materials adopts talcum powder, and its granularity is 1340 orders;
Coupling agent---------0.9kg, this coupling agent adopts titanate coupling agent;
Lubricant---------1.0kg, this lubricant adopts stearic acid;
---------1.2kg, this oxygenant adopts antioxidant 1010 to oxidation inhibitor.
The preparation method of this high-strength polypropylene cable sheath tube material, in turn includes the following steps:
(1) high-speed mixer is preheating to organism temperature and reaches 80 ℃;
(2) inorganic materials is poured in this high-speed mixer and stirred 18 minutes, and stirring velocity is 600 revs/min;
(3) coupling agent is poured in this high-speed mixer and stirred 13 minutes, and stirring velocity keeps 600 revs/min;
(4) polypropylene, toughner, lubricant, oxidation inhibitor being poured into this high-speed mixing stirring 6 minutes and stirring velocity is 160 revs/min, thereby forms compound in this homogenizer;
(5) charging opening that gained compound in step (4) is joined to double-screw extruding pelletizing machine is extruded afterwards, and meanwhile, the rotating speed of extruding of this extruding granulator is 160 revs/min, thereby extrudes hot shape material strips;
(6) after the hot shape material strips of step (5) gained is cooling, carry out granulation and get product 2.
Embodiment 3
High-strength polypropylene cable sheath tube material, comprising:
Polypropylene---------100kg;
Toughner---------2.0kg, this toughner adopts ethylene-vinyl acetate copolymer;
Inorganic materials------12kg, this inorganic materials adopts precipitated chalk, and its granularity is 2000 orders;
Coupling agent---------1.0kg, this coupling agent adopts silane coupling agent;
Lubricant---------1.2kg, this lubricant adopts white oil;
---------1.3kg, this oxygenant adopts irgasfos 168 to oxidation inhibitor.
The preparation method of this high-strength polypropylene cable sheath tube material, in turn includes the following steps:
(1) high-speed mixer is preheating to organism temperature and reaches 85 ℃;
(2) inorganic materials is poured in this high-speed mixer and stirred 18 minutes, and stirring velocity is 700 revs/min;
(3) coupling agent is poured in this high-speed mixer and stirred 15 minutes, and stirring velocity keeps 700 revs/min;
(4) polypropylene, toughner, lubricant, oxidation inhibitor being poured into this high-speed mixing stirring 7 minutes and stirring velocity is 180 revs/min, thereby forms compound in this homogenizer;
(5) charging opening that gained compound in step (4) is joined to double-screw extruding pelletizing machine is extruded afterwards, and meanwhile, the rotating speed of extruding of this extruding granulator is 380 revs/min, thereby extrudes hot shape material strips;
(6) after the hot shape material strips of step (5) gained is cooling, carry out granulation and get product 3.
Embodiment 4
High-strength polypropylene cable sheath tube material, comprising:
Polypropylene---------100kg;
Toughner---------2.5kg, this toughner adopts ethylene propylene rubber;
Inorganic materials------14kg, this inorganic materials adopts kaolin, and its granularity is 2200 orders;
Coupling agent---------1.1kg, this coupling agent adopts aluminate coupling agent;
Lubricant---------1.4kg, this lubricant adopts white oil;
---------1.4kg, this oxygenant adopts antioxidant CA to oxidation inhibitor.
The preparation method of this high-strength polypropylene cable sheath tube material, in turn includes the following steps:
(1) high-speed mixer is preheating to organism temperature and reaches 90 ℃;
(2) inorganic materials is poured in this high-speed mixer and stirred 20 minutes, and stirring velocity is 700 revs/min;
(3) coupling agent is poured in this high-speed mixer and stirred 20 minutes, and stirring velocity keeps 700 revs/min;
(4) polypropylene, toughner, lubricant, oxidation inhibitor being poured into this high-speed mixing stirring 8 minutes and stirring velocity is 200 revs/min, thereby forms compound in this homogenizer;
(5) charging opening that gained compound in step (4) is joined to double-screw extruding pelletizing machine is extruded afterwards, and meanwhile, the rotating speed of extruding of this extruding granulator is 350 revs/min, thereby extrudes hot shape material strips;
(6) after the hot shape material strips of step (5) gained is cooling, carry out granulation and get product 4.
Embodiment 5
High-strength polypropylene cable sheath tube material, comprising:
Polypropylene---------100kg;
Toughner---------3kg, this toughner adopts terpolymer EP rubber;
Inorganic materials------16kg, this inorganic materials adopts wollastonite, and its granularity is 2500 orders;
Coupling agent---------1.2kg, this coupling agent adopts silane coupling agent;
Lubricant---------1.5kg, this lubricant adopts stearic acid;
---------1.5kg, this oxygenant adopts irgasfos 168 to oxidation inhibitor.
The preparation method of this high-strength polypropylene cable sheath tube material, in turn includes the following steps:
(1) high-speed mixer is preheating to organism temperature and reaches 70 ℃;
(2) inorganic materials is poured in this high-speed mixer and stirred 20 minutes, and stirring velocity is 800 revs/min;
(3) coupling agent is poured in this high-speed mixer and stirred 20 minutes, and stirring velocity keeps 800 revs/min;
(4) polypropylene, toughner, lubricant, oxidation inhibitor being poured into this high-speed mixing stirring 7 minutes and stirring velocity is 180 revs/min, thereby forms compound in this homogenizer;
(5) charging opening that gained compound in step (4) is joined to double-screw extruding pelletizing machine is extruded afterwards, and meanwhile, the rotating speed of extruding of this extruding granulator is 150 revs/min, thereby extrudes hot shape material strips;
(6) after the hot shape material strips of step (5) gained is cooling, carry out granulation and get product 5.
Embodiment 6
High-strength polypropylene cable sheath tube material, comprising:
Polypropylene---------100kg;
Toughner---------1.6kg, this toughner adopts ethylene propylene rubber;
Inorganic materials------13kg, this inorganic materials adopts precipitation barite, and its granularity is 2500 orders;
Coupling agent---------0.9g, this coupling agent adopts aluminate coupling agent;
Lubricant---------1.3kg, this lubricant adopts polyethylene wax;
---------1.3kg, this oxygenant adopts antioxidant CA to oxidation inhibitor.
The preparation method of this high-strength polypropylene cable sheath tube material, in turn includes the following steps:
(1) high-speed mixer is preheating to organism temperature and reaches 80 ℃;
(2) inorganic materials is poured in this high-speed mixer and stirred 20 minutes, and stirring velocity is 750 revs/min;
(3) coupling agent is poured in this high-speed mixer and stirred 15 minutes, and stirring velocity keeps 750 revs/min;
(4) polypropylene, toughner, lubricant, oxidation inhibitor being poured into this high-speed mixing stirring 8 minutes and stirring velocity is 200 revs/min, thereby forms compound in this homogenizer;
(5) charging opening that gained compound in step (4) is joined to double-screw extruding pelletizing machine is extruded afterwards, and meanwhile, the rotating speed of extruding of this extruding granulator is 200 revs/min, thereby extrudes hot shape material strips;
(6) after the hot shape material strips of step (5) gained is cooling, carry out granulation and get product 6.
Experimental example
The technical parameter of each finished product of previous embodiment gained and and the parameter of common cable protecting pipe material relatively see the following form:
Subordinate list: gained finished product of the present invention and common cable material technology parameter comparison table
As can be seen from the above table: the technical parameter of high-strength polypropylene cable sheath tube material of the present invention is: tensile strength >=22MPa, vicat softening temperature >=150 ℃, Young's modulus >=1000MPa, flexural strength >=36MPa, for common cable material, at aspects such as tensile strengths, be all greatly improved, over-all properties is better.
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (9)
1. high-strength polypropylene cable sheath tube material, it comprises by weight:
Polypropylene---------100 parts,
Toughner---------1～3 part,
8～16 parts of inorganic materials------,
Coupling agent---------0.8～1.2 part,
Lubricant---------0.8～1.5 part,
Oxidation inhibitor---------1～1.5 part.
2. high-strength polypropylene cable sheath tube material according to claim 1, is characterized in that: described toughner is: a kind of in ethylene propylene rubber, terpolymer EP rubber, ethylene-vinyl acetate copolymer.
3. high-strength polypropylene cable sheath tube material according to claim 1, is characterized in that: described inorganic materials is: a kind of in precipitation barite, talcum powder, precipitated chalk, kaolin, wollastonite, and granularity is 1250～2500 orders.
4. high-strength polypropylene cable sheath tube material according to claim 1, is characterized in that: described coupling agent is: a kind of in aluminate coupling agent, titanate coupling agent, silane coupling agent.
5. high-strength polypropylene cable sheath tube material according to claim 1, is characterized in that: described lubricant is: a kind of in polyethylene wax, stearic acid, white oil.
6. high-strength polypropylene cable sheath tube material according to claim 1, is characterized in that: described oxidation inhibitor is: a kind of in antioxidant CA, antioxidant 1010, irgasfos 168.
7. high-strength polypropylene cable sheath tube material according to claim 1, is characterized in that: the parameter of described high-strength polypropylene cable sheath tube material is: tensile strength >=22MPa, vicat softening temperature >=150 ℃, Young's modulus >=1000MPa, flexural strength >=36MPa.
8. the preparation method of high-strength polypropylene cable sheath tube material, in turn includes the following steps:
(1) high-speed mixer is preheating to organism temperature and reaches 70～90 ℃;
(2) inorganic materials is poured in this high-speed mixer and stirred 15～20 minutes, and stirring velocity is 500～800 revs/min;
(3) coupling agent is poured in this high-speed mixer and stirred 10～20 minutes, and stirring velocity keeps 500～800 revs/min;
(4) polypropylene, toughner, lubricant, oxidation inhibitor being poured into this high-speed mixing stirring 5～8 minutes and stirring velocity is 150-200 rev/min, thereby forms compound in this homogenizer;
(5) charging opening that gained compound in step (4) is joined to double-screw extruding pelletizing machine is extruded afterwards, and meanwhile, the rotating speed of extruding of this extruding granulator is 120～380 revs/min, thereby extrudes hot shape material strips;
(6) after the hot shape material strips of step (5) gained is cooling, carrying out granulation gets product.
9. the preparation method of high-strength polypropylene cable sheath tube material according to claim 8, is characterized in that: in described step (1), body preheating temperature is 80 ℃; Stirring velocity in step (2) is 750 revs/min; Churning time in step (3) is 15 minutes; The rotating speed of extruding in step (5) is 150-200 rev/min.
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| CN201310739973.2A CN103709516A (en) | 2013-12-26 | 2013-12-26 | High-strength polypropylene cable protection sleeve material and preparation method thereof |
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| CN201310739973.2A CN103709516A (en) | 2013-12-26 | 2013-12-26 | High-strength polypropylene cable protection sleeve material and preparation method thereof |
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| CN104263015A (en) * | 2014-08-21 | 2015-01-07 | 安徽吉安特种线缆制造有限公司 | Modified barite used for high-strength wear-resistant cable sheath material and preparing method thereof |
| CN104292639A (en) * | 2014-10-20 | 2015-01-21 | 清华大学 | Preparation method of recoverable insulating material for high-voltage direct-current cable |
| CN104332219A (en) * | 2014-08-27 | 2015-02-04 | 沈群华 | Cable capable of displaying whether in work state |
| CN104464958A (en) * | 2014-12-05 | 2015-03-25 | 江苏戴普科技有限公司 | Method for manufacturing flexible cables |
| CN104479227A (en) * | 2012-04-16 | 2015-04-01 | 上海韬鸿化工科技有限公司 | Polypropylene plastic filled with coupling agent modified talcum powder |
| CN104788812A (en) * | 2015-03-31 | 2015-07-22 | 苏州市鼎立包装有限公司 | High-strength PP packaging bag and preparation method thereof |
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| CN113258512A (en) * | 2021-06-08 | 2021-08-13 | 哈尔滨市三棵树铁路客车配件有限公司 | Special spiral protective sleeve for high-voltage cable of motor train unit |
| CN114672100A (en) * | 2022-05-06 | 2022-06-28 | 六安新兴塑管有限公司 | MPP pipe extrusion molding process |
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