CN106317855A - Aging-resistant and high-hardness cable material and preparation method thereof - Google Patents
Aging-resistant and high-hardness cable material and preparation method thereof Download PDFInfo
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- CN106317855A CN106317855A CN201610772110.9A CN201610772110A CN106317855A CN 106317855 A CN106317855 A CN 106317855A CN 201610772110 A CN201610772110 A CN 201610772110A CN 106317855 A CN106317855 A CN 106317855A
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- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/08—Polyurethanes from polyethers
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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
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
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- 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
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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
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Abstract
The invention discloses an aging-resistant and high-hardness cable material and a preparation method thereof. The cable material is prepared from materials in parts by mass as follows: 20-35 parts of a modified polyurethane composite, 15-30 parts of styrene butadiene rubber, 5-8 parts of polystyrene resin, 3-10 parts of pentaerythritol tetrakis(2-mercaptoacetate), 0.5-1.5 parts of ammonium dichromate, 1-3 parts of dibenzothiazyl disulfide, 20-30 parts of nano-silica, 45-50 parts of activated calcium carbonate, paraffin and the like. The cable material has very high weather resistance, the effect of the environment on a cable sheath is reduced, and besides, the cable material is high in strength, good in hardness, high in shock resistance, excellent in stability, long in service life, good in thermo-oxidation stability, aging-resistance and excellent in mechanical property.
Description
Technical field
The invention belongs to technical field of cable production, be specifically related to a kind of ageing-resistant high rigidity cable material and preparation side thereof
Method.
Background technology
Communication, electric power are the emphasis of nation-building, the development in whichever place, and communication, power construction are always leading, institute
Develop quickly with communication, electric utility.Communication, the development of electric utility, working in coordination of various aspects, wherein cable are wanted in spontaneous combustion
Material is exactly an aspect, general electric wire coating material mainly plastic casing rubber, if electric wire thermoplastic
Having polrvinyl chloride, polyethylene, polypropylene, fluoroplastics, chlorinated polyether and polyamide, the most widely used is polyethylene and polychlorostyrene
Ethylene.In China's polyvinyl chloride cable material development relatively early, kind model is more, for manufacturing the electric wire of various temperature classification
Insulation and sheath.Owing to density of pe is little, electrical property is excellent, it is easy to processing and forming.Polyethylene is in thermoplastic
Big kind, has the features such as light weight, nontoxic, chemical resistance is excellent, but the oxygen index (OI) of polyethylene is the lowest, belongs to easy fuel wood
Material, polyethylene can produce serious melted drippage behavior when burning, and this brings the biggest difficulty to anti-flammability, in addition to inflammable,
Specific insulation and the surface resistivity of polyethylene are the highest, this just make its processing and use during once band on electrostatic the most very
Difficult elimination, two above shortcomings bring the biggest potential safety hazard to the use of polyethylene and reduce range.Red phosphorus
Being the efficient flame-retarding agent of the high polymers such as plastics, rubber, resin and synthetic fibers, red phosphorus itself is inflammable, badly influences red phosphorus
Flame retardant effect.Calcium carbonate filling modification high density polyethylene (HDPE), research emphasis concentrates on and how to realize filling out to greatest extent earlier
Fill, reduce cost, although improve the rigidity of material, but greatly reduce intensity and the fracture toughness of material, and inapplicable
In carrying high density polyethylene (HDPE) sheath material, the present invention uses special process modified nano calcium carbonate to not only improve filler at base
Dispersion effect in body also enhances the two adhesion strength, improves intensity and the toughness of polythene material, strengthens greatly
Bearing capacity, mechanical property is greatly improved.
Summary of the invention
Goal of the invention: the present invention is directed to deficiency of the prior art, propose a kind of ageing-resistant high rigidity cable material and
Preparation method, this cable material has the strongest weather resisteant, reduces the environment impact on cable cover(ing), and intensity is high, firmly
Spending, impact resistance is strong, and stability is excellent, and service life is long, and thermo-oxidative stability is good, ageing-resistant, excellent in mechanical performance.
Technical scheme: one of the present invention ageing-resistant high rigidity cable material, including the material of following mass parts:
Modified polyurethane composite 20-35 part, butadiene-styrene rubber 15-30 part, polystyrene resin 5-8 part, tetramethylolmethane
Four mercaptoacetate 3-10 parts, Ammonium bichromate. 0.5-1.5 part, dibenzothiazyl disulfide 1-3 part, nano silicon
20-30 part, activated Calcium carbonate 45-50 part, paraffin 1.5-2.8 part, ceramic fibre 15-24 part, glass fibre 20-40
Part, pbo fiber 10-15 part, trioctyl phosphate 0.8-1.6 part, hydrocarbon oil 1-1.9 part, barium sulfate 3-8 part, polyethylene
Alcohol 1-2 part, antioxidant AT-215 1-2.5 part, age resistor 1010-A0.1-0.8 part, stabilizer 1-3 part, lubricant 1-2
Part, dehydrated alcohol is appropriate.
Further, described modified polyurethane composite uses following technique to prepare: by nano kaoline, p-nitrophenyl
Amine, cesium acetate stir, and filter, and washing dry, pulverize, and add Methanamide, water stirring, ultrasonic, filter, washing, protect at nitrogen
Lower addition polypropylene glycol is ultrasonic, continuously adds toluene di-isocyanate(TDI), diallyl Ethylene glycol methyl ether ultrasonic, is cooled to room
Temperature, add Isosorbide-5-Nitrae-butanediol, 3,3 '-two chloro-4,4 '-diaminodiphenyl-methane, methyl-phosphoric acid dimethyl ester, octanoic acid are sub-
Stannum stirs, and stands, and adds DMEP stirring, stands, obtain modified polyurethane composite.
Further, described modified polyurethane composite uses following technique to prepare: weigh 30-45 part by weight
Nano kaoline, 50-80 part paranitroanilinum, 20-40 part cesium acetate stir 1-3h at 66-78 DEG C, filter, and washing is dry
Dry, to pulverize, addition 5-15 part Methanamide, 30-50 part water stir 2-5h at 65-72 DEG C, and ultrasonic, ultrasonic power is 30-
45kHz, ultrasonic time is 15-30min, filters, washing, and addition 15-35 part polypropylene glycol is ultrasonic under nitrogen protection, super
Acoustical power is 600-900W, and ultrasonic time is 30-50min, continuously adds 20-40 part toluene di-isocyanate(TDI), 5-15
Part diallyl Ethylene glycol methyl ether is ultrasonic, and ultrasonic power is 5-20kHz, and ultrasonic time is 1-5h, and ultrasonic temperature is 65-
72 DEG C, it is cooled to room temperature, adds 1.5-4.5 part Isosorbide-5-Nitrae-butanediol, 1-3 part 3,3 '-two chloro-4,4 '-diaminourea two
Phenylmethane, 0.5-3 part methyl-phosphoric acid dimethyl ester, 0.5-0.9 part stannous octoate stirring 0.5-1.5h, stands 15-
45min, adds 0.5-2.5 part DMEP stirring 15-30min, stands 1-4h and obtains modified poly-
Urethane composite.
Further, described filler is included by mass parts: calcined kaolin 10-25 part, calcium carbonate 10-30 part.
Further, described stabilizer is calcium-zinc composite stabilizing agent.
Further, described lubricant is stearic acid or calcium stearate or Tissuemat E.
The invention also discloses the preparation method of above-mentioned a kind of ageing-resistant high rigidity cable material, including:
(1) it is added to be placed in the flask of water-bath by modified polyurethane composite, adds appropriate dehydrated alcohol and slowly rise
Temperature is to being completely dissolved, and the nano-calcium carbonate adding drying stirs, and control temperature, in the range of 80-100 DEG C, adds fourth
Benzene rubber-heating is stirred at reflux 0.5-1.5h, and reaction carries out repeatedly sucking filtration after terminating, alcohol is washed circulation repeatedly, then is placed in baking oven
Dry at 110-150 DEG C, grind standby；
(2) activated Calcium carbonate and paraffin are mixed, then stir when rising high-temperature to 50-60 DEG C, after being rapidly cooled to room temperature
It is added in the polystyrene resin melted, adds Ammonium bichromate. and product mixing and stirring prepared by step (1) is the coldest
But to standby after room temperature；
(3) open type plastic purificating set is risen high-temperature to 160-170 DEG C, by tetramethylolmethane four mercaptoacetate, tetramethylolmethane four
Mercaptoacetate is added to double roller intermediate melt and plasticates, and adds material prepared by step (2) after its mix homogeneously, adjusts between double roller
Away from, roll milling, thin logical repeatedly make the two mix homogeneously, add trioctyl phosphate, hydrocarbon oil, that barium sulfate continues mix and blend is equal
Even；
(4) mixture of step (3) is mixed together with ceramic fibre, glass fibre, pbo fiber and joins in blender stir
Mixing, mixing time is 15min-30min；
(5) it is stirred again after adding remaining ingredient in homogenizer again, stirs；
(6) being melt extruded by the mixing material double screw extruder of step (5), double-screw extruder screw draw ratio is 10-
18:1, double screw extruder extrusion temperature is: district's temperature 165-175 DEG C, and two district's temperature are 185-195 DEG C, three district's temperature
For 200-205 DEG C, four district's temperature are 210-215 DEG C；The head temperature of double screw extruder is 155-165 DEG C；
(7) step (6) is melt extruded material and carry out pelletizing again, be prepared as ageing-resistant high rigidity cable material.
Further, described homogenizer rotating speed is 200-600r/min.
Further, described double-screw extruder screw draw ratio is 12-15:1.
Beneficial effect: the cable material of the present invention has the strongest weather resisteant, reduces the environment impact on cable cover(ing),
And intensity is high, hardness is good, and impact resistance is strong, and stability is excellent, and service life is long, and thermo-oxidative stability is good, ageing-resistant, mechanics
Excellent performance.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described:
Embodiment 1
A kind of ageing-resistant high rigidity cable material, including the material of following mass parts:
20 parts of modified polyurethane composite, 15 parts of butadiene-styrene rubber, polystyrene resin 5 parts, tetramethylolmethane four TGA
Ester 3 parts, Ammonium bichromate. 0.5 part, dibenzothiazyl disulfide 1 part, nano silicon 20 parts, active carbonic acid Ca45
Part, 1.5 parts of paraffin, ceramic fibre 15 parts, glass fibre 20 parts, pbo fiber 10 parts, trioctyl phosphate 0.8 part, virtue
Fragrant hydrocarbon ils 1 part, 3 parts of barium sulfate, polyvinyl alcohol 1 part, antioxidant AT-215 1 part, age resistor 1010-A 0.1 part is stable
Agent 1 part, lubricant 1 part, dehydrated alcohol is appropriate.
Described modified polyurethane composite use following technique prepare: weigh by weight 30 parts of nano kaolines, 50
Part paranitroanilinum, 20 parts of cesium acetates stir 1h at 66 DEG C, filter, washing, dry, pulverize, add 5 parts of Methanamides, 30
Part water stirs 2h at 65 DEG C, and ultrasonic, ultrasonic power is 30kHz, and ultrasonic time is 15min, filters, and washing is protected at nitrogen
Protecting 15 parts of polypropylene glycols of lower addition ultrasonic, ultrasonic power is 600W, and ultrasonic time is 30min, continuously adds 20 parts of toluene
Diisocyanate, 5 parts of diallyl Ethylene glycol methyl ether are ultrasonic, and ultrasonic power is 5kHz, and ultrasonic time is 1h, ultrasonic temperature
Degree is 65 DEG C, is cooled to room temperature, add 1.5 parts of Isosorbide-5-Nitrae-butanediols, 1 part 3,3 '-two chloro-4,4 '-diaminourea hexichol
Methylmethane, 0.5 part of methyl-phosphoric acid dimethyl ester, 0.5 part of stannous octoate stirring 0.5h, stand 15min, add 0.5 part of adjacent benzene two
Formic acid dimethoxy ethyl ester stirring 15min, stands 1h and obtains modified polyurethane composite.
Described filler is included by mass parts: calcined kaolin 10 parts, calcium carbonate 10 parts.
Described stabilizer is calcium-zinc composite stabilizing agent.
Described lubricant is stearic acid or calcium stearate or Tissuemat E.
The preparation method of above-mentioned a kind of ageing-resistant high rigidity cable material, including:
(1) it is added to be placed in the flask of water-bath by modified polyurethane composite, adds appropriate dehydrated alcohol and slowly rise
Temperature is to being completely dissolved, and the nano-calcium carbonate adding drying stirs, and control temperature, in the range of 80-100 DEG C, adds fourth
Benzene rubber-heating is stirred at reflux 0.5h, and reaction carries out repeatedly sucking filtration after terminating, alcohol is washed circulation repeatedly, then is placed in baking oven
Dry at 110 DEG C, grind standby；
(2) activated Calcium carbonate and paraffin are mixed, then stir when rising high-temperature to 50 DEG C, add after being rapidly cooled to room temperature
In melted polystyrene resin, add Ammonium bichromate. and product mixing and stirring natural cooling prepared by step (1)
To room temperature standby；
(3) open type plastic purificating set is risen high-temperature to 160 DEG C, by tetramethylolmethane four mercaptoacetate, tetramethylolmethane four sulfydryl
Acetas is added to double roller intermediate melt and plasticates, and adds material prepared by step (2) after its mix homogeneously, adjusts double roller spacing,
Roll milling, thin leading to repeatedly make the two mix homogeneously, add trioctyl phosphate, hydrocarbon oil, barium sulfate continuation mixing and stirring；
(4) mixture of step (3) is mixed together with ceramic fibre, glass fibre, pbo fiber and joins in blender stir
Mixing, mixing time is 15min；
(5) being stirred after adding remaining ingredient in homogenizer more again, stir, homogenizer rotating speed is
200r/min；
(6) being melt extruded by the mixing material double screw extruder of step (5), double-screw extruder screw draw ratio is 10:
1, double screw extruder extrusion temperature is: district's temperature 165 DEG C, and two district's temperature are 185 DEG C, and three district's temperature are 200 DEG C, four
District's temperature is 210 DEG C；The head temperature of double screw extruder is 155 DEG C；
(7) step (6) is melt extruded material and carry out pelletizing again, be prepared as ageing-resistant high rigidity cable material.
Embodiment 2
A kind of ageing-resistant high rigidity cable material, including the material of following mass parts:
35 parts of modified polyurethane composite, 30 parts of butadiene-styrene rubber, polystyrene resin 8 parts, tetramethylolmethane four sulfydryl second
Acid esters 10 parts, Ammonium bichromate. 1.5 parts, dibenzothiazyl disulfide 3 parts, nano silicon 30 parts, activated Calcium carbonate
50 parts, 2.8 parts of paraffin, ceramic fibre 24 parts, glass fibre 40 parts, pbo fiber 15 parts, trioctyl phosphate 1.6 parts,
Hydrocarbon oil 1.9 parts, 8 parts of barium sulfate, polyvinyl alcohol 2 parts, antioxidant AT-215 2.5 parts, age resistor 1010-A 0.8
Part, stabilizer 3 parts, lubricant 2 parts, dehydrated alcohol is appropriate.
Described modified polyurethane composite use following technique prepare: weigh by weight 45 parts of nano kaolines,
80 parts of paranitroanilinum, 40 parts of cesium acetates stir 3h at 78 DEG C, filter, washing, dry, pulverize, add 15 parts of formyls
Amine, 50 parts of water stir 5h at 72 DEG C, and ultrasonic, ultrasonic power is 45kHz, and ultrasonic time is 30min, filters, washing,
Nitrogen protection 35 parts of polypropylene glycols of lower addition are ultrasonic, and ultrasonic power is 900W, and ultrasonic time is 50min, continuously adds
40 parts of toluene di-isocyanate(TDI)s, 15 parts of diallyl Ethylene glycol methyl ether are ultrasonic, and ultrasonic power is 20kHz, ultrasonic time
For 5h, ultrasonic temperature is 72 DEG C, is cooled to room temperature, add 4.5 parts of Isosorbide-5-Nitrae-butanediols, 3 part 3,3 '-two chloro-4,4 '-
Diaminodiphenyl-methane, 3 parts of methyl-phosphoric acid dimethyl esters, 0.9 part of stannous octoate stirring 1.5h, stand 45min, add
2.5 parts of DMEP stirring 30min, stand 4h and obtain modified polyurethane composite.
Described filler is included by mass parts: calcined kaolin 25 parts, calcium carbonate 30 parts.
Described stabilizer is calcium-zinc composite stabilizing agent.
Described lubricant is stearic acid or calcium stearate or Tissuemat E.
The preparation method of above-mentioned a kind of ageing-resistant high rigidity cable material, including:
(1) it is added to be placed in the flask of water-bath by modified polyurethane composite, adds appropriate dehydrated alcohol and slowly rise
Temperature is to being completely dissolved, and the nano-calcium carbonate adding drying stirs, and control temperature, in the range of 100 DEG C, adds butylbenzene
Rubber-heating is stirred at reflux 1.5h, and reaction carries out repeatedly sucking filtration after terminating, alcohol is washed circulation repeatedly, then is placed in baking oven 150
Dry at DEG C, grind standby；
(2) activated Calcium carbonate and paraffin are mixed, then stir when rising high-temperature to 60 DEG C, add after being rapidly cooled to room temperature
In melted polystyrene resin, add Ammonium bichromate. and product mixing and stirring natural cooling prepared by step (1)
To room temperature standby；
(3) open type plastic purificating set is risen high-temperature to 170 DEG C, by tetramethylolmethane four mercaptoacetate, tetramethylolmethane four sulfydryl
Acetas is added to double roller intermediate melt and plasticates, and adds material prepared by step (2) after its mix homogeneously, adjusts double roller spacing,
Roll milling, thin leading to repeatedly make the two mix homogeneously, add trioctyl phosphate, hydrocarbon oil, barium sulfate continuation mixing and stirring；
(4) mixture of step (3) is mixed together with ceramic fibre, glass fibre, pbo fiber and joins in blender stir
Mixing, mixing time is 30min；
(5) being stirred after adding remaining ingredient in homogenizer more again, stir, homogenizer rotating speed is
600r/min；
(6) being melt extruded by the mixing material double screw extruder of step (5), double-screw extruder screw draw ratio is 18:
1, double screw extruder extrusion temperature is: district's temperature 175 DEG C, and two district's temperature are 195 DEG C, and three district's temperature are 205 DEG C, four
District's temperature is 215 DEG C；The head temperature of double screw extruder is 165 DEG C；
(7) step (6) is melt extruded material and carry out pelletizing again, be prepared as ageing-resistant high rigidity cable material.
Embodiment 3
A kind of ageing-resistant high rigidity cable material, including the material of following mass parts:
25 parts of modified polyurethane composite, 20 parts of butadiene-styrene rubber, polystyrene resin 6 parts, tetramethylolmethane four mercaptoacetate
6 parts, Ammonium bichromate. 1 part, dibenzothiazyl disulfide 2 parts, nano silicon 25 parts, activated Calcium carbonate 47 parts, paraffin
2 parts, ceramic fibre 20 parts, glass fibre 30 parts, pbo fiber 12 parts, trioctyl phosphate 1.2 parts, hydrocarbon oil 1.4 parts,
5 parts of barium sulfate, polyvinyl alcohol 1.5 parts, antioxidant AT-215 1.5 parts, age resistor 1010-A 0.5 part, stabilizer 2 parts, profit
Lubrication prescription 1.5 parts, dehydrated alcohol is appropriate.
Described modified polyurethane composite use following technique prepare: weigh by weight 35 parts of nano kaolines, 65
Part paranitroanilinum, 30 parts of cesium acetates stir 2h at 72 DEG C, filter, washing, dry, pulverize, add 10 parts of Methanamides, 40
Part water stirs 3h at 68 DEG C, and ultrasonic, ultrasonic power is 35kHz, and ultrasonic time is 20min, filters, and washing is protected at nitrogen
Protecting 25 parts of polypropylene glycols of lower addition ultrasonic, ultrasonic power is 750W, and ultrasonic time is 40min, continuously adds 30 parts of toluene
Diisocyanate, 10 parts of diallyl Ethylene glycol methyl ether are ultrasonic, and ultrasonic power is 15kHz, and ultrasonic time is 3h, ultrasonic temperature
Degree is 68 DEG C, is cooled to room temperature, add 3 parts of Isosorbide-5-Nitrae-butanediols, 2 part 3,3 '-two chloro-4,4 '-diamino-diphenyl
Methane, 2 parts of methyl-phosphoric acid dimethyl esters, 0.7 part of stannous octoate stirring 1h, stand 30min, add 1.5 parts of phthalic acids
Dimethoxy ethyl ester stirring 20min, stands 2h and obtains modified polyurethane composite.
Described filler is included by mass parts: calcined kaolin 15 parts, calcium carbonate 20 parts.
Described stabilizer is calcium-zinc composite stabilizing agent.
Described lubricant is stearic acid or calcium stearate or Tissuemat E.
The preparation method of above-mentioned a kind of ageing-resistant high rigidity cable material, including:
(1) it is added to be placed in the flask of water-bath by modified polyurethane composite, adds appropriate dehydrated alcohol and slowly rise
Temperature is to being completely dissolved, and the nano-calcium carbonate adding drying stirs, and control temperature, in the range of 90 DEG C, adds butylbenzene rubber
Glue heated and stirred backflow 1h, reaction carries out repeatedly sucking filtration after terminating, alcohol is washed circulation repeatedly, then is placed in baking oven at 130 DEG C
Dry, grind standby；
(2) activated Calcium carbonate and paraffin are mixed, then stir when rising high-temperature to 55 DEG C, add after being rapidly cooled to room temperature
In melted polystyrene resin, add Ammonium bichromate. and product mixing and stirring natural cooling prepared by step (1)
To room temperature standby；
(3) open type plastic purificating set is risen high-temperature to 165 DEG C, by tetramethylolmethane four mercaptoacetate, tetramethylolmethane four sulfydryl
Acetas is added to double roller intermediate melt and plasticates, and adds material prepared by step (2) after its mix homogeneously, adjusts double roller spacing,
Roll milling, thin leading to repeatedly make the two mix homogeneously, add trioctyl phosphate, hydrocarbon oil, barium sulfate continuation mixing and stirring；
(4) mixture of step (3) is mixed together with ceramic fibre, glass fibre, pbo fiber and joins in blender stir
Mixing, mixing time is 20min；
(5) being stirred after adding remaining ingredient in homogenizer more again, stir, homogenizer rotating speed is
400r/min；
(6) being melt extruded by the mixing material double screw extruder of step (5), double-screw extruder screw draw ratio is 14:
1, double screw extruder extrusion temperature is: district's temperature 170 DEG C, and two district's temperature are 190 DEG C, and three district's temperature are 202 DEG C, four
District's temperature is 212 DEG C；The head temperature of double screw extruder is 160 DEG C；
(7) step (6) is melt extruded material and carry out pelletizing again, be prepared as ageing-resistant high rigidity cable material.
The above, be only presently preferred embodiments of the present invention, and the present invention not makees any pro forma restriction, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any technology people being familiar with this specialty
Member, in the range of without departing from technical solution of the present invention, when the technology contents of available the disclosure above makes a little change or modification
For the Equivalent embodiments of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit of the foundation present invention
Any simple modification, equivalent variations and the modification being made above example, all still falls within the range of technical solution of the present invention.
Claims (9)
1. an ageing-resistant high rigidity cable material, it is characterised in that: include the material of following mass parts:
Modified polyurethane composite 20-35 part, butadiene-styrene rubber 15-30 part, polystyrene resin 5-8 part, tetramethylolmethane
Four mercaptoacetate 3-10 parts, Ammonium bichromate. 0.5-1.5 part, dibenzothiazyl disulfide 1-3 part, nano silicon
20-30 part, activated Calcium carbonate 45-50 part, paraffin 1.5-2.8 part, ceramic fibre 15-24 part, glass fibre 20-40
Part, pbo fiber 10-15 part, trioctyl phosphate 0.8-1.6 part, hydrocarbon oil 1-1.9 part, barium sulfate 3-8 part, polyethylene
Alcohol 1-2 part, antioxidant AT-215 1-2.5 part, age resistor 1010-A0.1-0.8 part, stabilizer 1-3 part, lubricant 1-2
Part, dehydrated alcohol is appropriate.
One the most according to claim 1 ageing-resistant high rigidity cable material, it is characterised in that: described modified polyurethane
Composite uses following technique to prepare: by nano kaoline, paranitroanilinum, cesium acetate stirring, filters, washing, is dried, powder
Broken, add Methanamide, water stirring, ultrasonic, filter, washing, addition polypropylene glycol is ultrasonic under nitrogen protection, continuously adds toluene
Diisocyanate, diallyl Ethylene glycol methyl ether are ultrasonic, are cooled to room temperature, add Isosorbide-5-Nitrae-butanediol, 3,3 '-two is chloro-
4,4 '-diaminodiphenyl-methane, methyl-phosphoric acid dimethyl ester, stannous octoate stir, and stand, and add phthalic acid dimethoxy
Base ethyl ester stirs, and stands, obtains modified polyurethane composite.
One the most according to claim 1 and 2 ageing-resistant high rigidity cable material, it is characterised in that: the poly-ammonia of described modification
Ester composite uses following technique to prepare: weigh 30-45 part nano kaoline, 50-80 part p-nitrophenyl by weight
Amine, 20-40 part cesium acetate stir 1-3h at 66-78 DEG C, filter, and washing dry, pulverize, addition 5-15 part Methanamide,
30-50 part water stirs 2-5h at 65-72 DEG C, and ultrasonic, ultrasonic power is 30-45kHz, and ultrasonic time is 15-30min,
Filtering, washing, addition 15-35 part polypropylene glycol is ultrasonic under nitrogen protection, and ultrasonic power is 600-900W, ultrasonic time
For 30-50min, continuously add 20-40 part toluene di-isocyanate(TDI), 5-15 part diallyl Ethylene glycol methyl ether ultrasonic,
Ultrasonic power is 5-20kHz, and ultrasonic time is 1-5h, and ultrasonic temperature is 65-72 DEG C, is cooled to room temperature, adds 1.5-
4.5 parts of 1,4-butanediols, the chloro-4,4 '-diaminodiphenyl-methane of 1-3 part 3,3 '-two, 0.5-3 part methyl acid phosphates
Dimethyl ester, 0.5-0.9 part stannous octoate stirring 0.5-1.5h, stands 15-45min, adds 0.5-2.5 part O-phthalic
Acid dimethoxy ethyl ester stirring 15-30min, stands 1-4h and obtains modified polyurethane composite.
One the most according to claim 1 ageing-resistant high rigidity cable material, it is characterised in that: quality pressed by described filler
Part includes: calcined kaolin 10-25 part, calcium carbonate 10-30 part.
One the most according to claim 1 ageing-resistant high rigidity cable material, it is characterised in that: described stabilizer is calcium zinc
Complex stabilizer.
One the most according to claim 1 ageing-resistant high rigidity cable material, it is characterised in that: described lubricant is stearic
Acid or calcium stearate or Tissuemat E.
7. according to the preparation method of a kind of ageing-resistant high rigidity cable material described in claim 1-6 any one, its feature
It is: including:
(1) it is added to be placed in the flask of water-bath by modified polyurethane composite, adds appropriate dehydrated alcohol and slowly rise
Temperature is to being completely dissolved, and the nano-calcium carbonate adding drying stirs, and control temperature, in the range of 80-100 DEG C, adds fourth
Benzene rubber-heating is stirred at reflux 0.5-1.5h, and reaction carries out repeatedly sucking filtration after terminating, alcohol is washed circulation repeatedly, then is placed in baking oven
Dry at 110-150 DEG C, grind standby；
(2) activated Calcium carbonate and paraffin are mixed, then stir when rising high-temperature to 50-60 DEG C, after being rapidly cooled to room temperature
It is added in the polystyrene resin melted, adds Ammonium bichromate. and product mixing and stirring prepared by step (1) is the coldest
But to standby after room temperature；
(3) open type plastic purificating set is risen high-temperature to 160-170 DEG C, by tetramethylolmethane four mercaptoacetate, tetramethylolmethane four
Mercaptoacetate is added to double roller intermediate melt and plasticates, and adds material prepared by step (2) after its mix homogeneously, adjusts between double roller
Away from, roll milling, thin logical repeatedly make the two mix homogeneously, add trioctyl phosphate, hydrocarbon oil, that barium sulfate continues mix and blend is equal
Even；
(4) mixture of step (3) is mixed together with ceramic fibre, glass fibre, pbo fiber and joins in blender stir
Mixing, mixing time is 15min-30min；
(5) it is stirred again after adding remaining ingredient in homogenizer again, stirs；
(6) being melt extruded by the mixing material double screw extruder of step (5), double-screw extruder screw draw ratio is 10-
18:1, double screw extruder extrusion temperature is: district's temperature 165-175 DEG C, and two district's temperature are 185-195 DEG C, three district's temperature
For 200-205 DEG C, four district's temperature are 210-215 DEG C；The head temperature of double screw extruder is 155-165 DEG C；
(7) step (6) is melt extruded material and carry out pelletizing again, be prepared as ageing-resistant high rigidity cable material.
The preparation method of a kind of ageing-resistant high rigidity cable material the most according to claim 7, it is characterised in that: described height
Speed blender rotating speed is 200-600r/min.
The preparation method of a kind of ageing-resistant high rigidity cable material the most according to claim 7, it is characterised in that: described
Double-screw extruder screw draw ratio is 12-15:1.
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| CN107151445A (en) * | 2017-06-09 | 2017-09-12 | 芜湖航天特种电缆厂股份有限公司 | A kind of undersea detection high-strength cable outer jacket and preparation method thereof |
| CN107501943A (en) * | 2017-08-31 | 2017-12-22 | 贺州钟山县双文碳酸钙新材料有限公司 | A kind of application of modified calcium carbonate in silicon rubber |
| CN108219226A (en) * | 2017-11-28 | 2018-06-29 | 安徽国华电缆集团有限公司 | Gasket for packing inside a kind of stretch-proof flame retardant cable |
| CN110294874A (en) * | 2019-07-03 | 2019-10-01 | 天长市佳烽电气有限公司 | A kind of compensatory cable material of high efficiency insulation and preparation method thereof |
| CN110564133A (en) * | 2018-06-06 | 2019-12-13 | 湖北文理学院 | Preparation method of modified polyurethane beverage bottle |
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| CN110294874A (en) * | 2019-07-03 | 2019-10-01 | 天长市佳烽电气有限公司 | A kind of compensatory cable material of high efficiency insulation and preparation method thereof |
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| CN116622129A (en) * | 2023-07-24 | 2023-08-22 | 山东和瑞新材料科技有限公司 | Calcium-zinc stabilizer for PVC |
| CN116622129B (en) * | 2023-07-24 | 2023-09-12 | 山东和瑞新材料科技有限公司 | Calcium-zinc stabilizer for PVC |
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Application publication date: 20170111 |