CN108933005B - A kind of production technology of logging signal cable winding layer - Google Patents
A kind of production technology of logging signal cable winding layer Download PDFInfo
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- CN108933005B CN108933005B CN201810705548.4A CN201810705548A CN108933005B CN 108933005 B CN108933005 B CN 108933005B CN 201810705548 A CN201810705548 A CN 201810705548A CN 108933005 B CN108933005 B CN 108933005B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
Abstract
The invention discloses a kind of production technologies of logging signal cable winding layer, are related to signal cable field；First by nano-titanium dioxide modified polyvinyl chloride, polystyrene, corundum modified polycarbonate and isoprene rubber are uniformly mixed, it is put into high-speed mixer and stirs, urea liquid is added to be put into the closed environment full of hydrogen and nitrogen mixture, it is filtered after standing, sediment is dissolved in calcium chloride solution, it is placed in 35-45 DEG C of water-bath, cocoanut fatty acid diethanolamide is added, cumyl peroxide, zinc oxide and 2- methyl methacrylate, it is eventually adding viscose rayon, nano aluminium oxide and methyl methacrylate-n-butyl acrylate-Sodium Allyl Sulfonate, mixture is put into sesame oil saturated vapor pressure and is fumigated, recycling ethyl alcohol and sesame oil is concentrated under reduced pressure, mixture is sent into extrusion molding in extruder；The logging cable winding layer intensity of preparation is high, toughness is big, and bend resistance ability is strong, corrosion resistance and good, long service life.
Description
Technical field:
The present invention relates to signal cable fields, and in particular to a kind of production technology of logging signal cable winding layer.
Background technique:
Signal cable is a kind of signal delivery means.The signal very little of general signal cable transmission, in order to avoid signal by
To interference, signal cable possesses four layers of protection, respectively insulating layer, shielded layer, winding layer, restrictive coating, is only to ensure faint electricity
The accurate delivery of signal is measured, shielded layer, generally conductive fabric weave copper mesh or copper pool (aluminium), and shielded layer needs to be grounded, external
Interference signal can import the earth by the layer, avoid interference signal from entering inner conductor interference while reducing the loss of transmission signal.
Winding layer mainly prevents gauze screen from injuring insulating layer.
With the development of science and technology, cable communication technology has significant progress in petroleum geophysics well logging, from biography
The speed of transmission of data, the capacity retention efficiency of transmission aspect for transmitting data have leaping for matter.Since logging cable is gone into the well process
In may suffer from the destruction of ambient enviroment, and logging cable will cause logging cable very by constantly rotation at work
It is easily damaged, logging cable service life is caused not grown.
Summary of the invention:
Technical problem to be solved by the present invention lies in a kind of production technology of logging signal cable winding layer is provided, prepare
Logging cable winding layer intensity is high, toughness is big, bend resistance ability is strong, corrosion resistance and good, long service life.
The following technical solution is employed for the technical problems to be solved by the invention to realize:
A kind of production technology of logging signal cable winding layer, comprising the following steps:
(1) nano-titanium dioxide modified polyvinyl chloride, polystyrene, corundum modified polycarbonate and isoprene rubber are mixed
Uniformly, it is put into high-speed mixer and stirs 40-60min under 600-800r/min revolving speed, be added after stirring into mixture mixed
20-26 times of polymer weight of mass concentration is the urea liquid of 5-8%, and mixed solution is put into full of hydrogen and nitrogen mixture
Closed environment in, stand 30-40min at 110-140 DEG C, wherein gaseous mixture air pressure be 2-3Mpa, the body of hydrogen and nitrogen
Product filters after standing than being 2:3, cleans sediment with deionized water, it is dry to be put into vacuum oven；
(2) mixture of above-mentioned steps (1) after dry is dissolved in 30-50 times of mixture weight, mass concentration 10-13%
Calcium chloride solution in, and solution is placed in 35-45 DEG C of water-bath, when solution temperature is increased to bath temperature, heat preservation
10min with 100-120r/min revolving speed agitating solution, and cocoanut fatty acid diethanolamide, peroxidating is added into solution
Revolving speed is increased to 200-250r/min after addition by diisopropylbenzene (DIPB), zinc oxide and 2- methyl methacrylate, stirs 30-
40min, is put into mixture of ice and water after stirring and is cooled to 8-10 DEG C of stopping cooling, and centrifugation filters sediment with deionized water
Cleaning 3 times；
(3) viscose rayon, nano aluminium oxide and methyl methacrylate is added in the mixture prepared to above-mentioned steps (2)
Ester-n-butyl acrylate-Sodium Allyl Sulfonate, the dry ball milling 40-50min under 300-400r/min revolving speed after mixing,
180 mesh and 240 meshes are crossed after ball milling, choose the mixture for sieving median particle size twice, and mixture is put into sesame oil saturation and is steamed
40-50min is fumigated in vapour pressure, mixture is dissolved in ethyl alcohol after cooling, recycling ethyl alcohol and sesame oil is concentrated under reduced pressure；
(4) mixture by above-mentioned steps (3) preparation is sent into extrusion molding in extruder.
The nano-titanium dioxide modified polyvinyl chloride the preparation method comprises the following steps:
(1) nano-titanium dioxide is added in sodium chloride solution, with 50-80r/min revolving speed agitating solution, is added into solution
Enter positive and negative pole material and power on and solution is electrolysed, terminate to be electrolysed when precipitating stops and generating, alkali, which is made, enhances nanometer
Titanium dioxide；
(2) alkali is enhanced into nano-titanium dioxide and polyvinyl chloride is uniformly mixed, 10-15 times of mixture weight of ethyl alcohol is added
In, flow back 2-3h at 80-85 DEG C, recycling ethyl alcohol is concentrated under reduced pressure after cooling, by drying precipitate, obtained nano-titanium dioxide changes
Property polyvinyl chloride.
The mass concentration of the sodium chloride is 5-6%, and the mass ratio of nano-titanium dioxide and sodium chloride is 10-12:1, alkali
The mass ratio for enhancing nano-titanium dioxide and polyvinyl chloride is 3:7.
The corundum modified polycarbonate the preparation method comprises the following steps: by corundum be added mannitol solution in, in 20KHz, 150W
Then polycarbonate is added in lower ultrasound 15min into solution, continue ultrasound 20min, solution is moved into reaction kettle, in 130-
6-8h is reacted at 150 DEG C, is centrifuged after cooling, sediment is cleaned 3-5 times with deionized water, it is dry, the modified poly- carbon of corundum is made
Acid esters.
The mass concentration of the mannitol is 12-15%, and the mass ratio of corundum and polycarbonate is 1:13-15.
Each raw material is formed according to following parts by weight: nano-titanium dioxide modified polyvinyl chloride 100-150 parts, polystyrene
50-80 parts, 30-60 parts of corundum modified polycarbonate, 20-40 parts of isoprene rubber, 25-40 parts of viscose rayon, nano aluminium oxide 20-
35 parts, 15-25 parts of cocoanut fatty acid diethanolamide, 15-20 parts of cumyl peroxide, 5-10 parts of zinc oxide, 2- methyl
10-30 parts of methyl acrylate, methyl methacrylate-n-butyl acrylate -25-35 parts of Sodium Allyl Sulfonate.
The present invention provides a kind of production technologies of logging signal cable winding layer, it has the advantage that:
(1) nano-titanium dioxide modified polyvinyl chloride, polystyrene, corundum modified polycarbonate and isoprene rubber are added
In urea liquid, it is placed in nitrogen and hydrogen mixed high-voltage gas, nitrogen-atoms and hydrogen atom is enable to reach vapor liquid equilibrium state,
In this vapor liquid equilibrium state, mixture material plasticity can be made to enhance, while intensity improves, then coconut grease is added in a water bath
Fat acid diglycollic amide, cumyl peroxide, zinc oxide and 2- methyl methacrylate can make to form intramolecular between raw material
With intermolecular combination, to increase the type that is completely embedded of raw material, while increasing raw material homogeneity, is conducive to later period molding, finally
Viscose rayon, nano aluminium oxide and methyl methacrylate-n-butyl acrylate-Sodium Allyl Sulfonate is added, it is full with sesame oil
It is stifling with vapour pressure, the hardness and strength of raw material can be increased, while increasing the rheological characteristic of raw material, be easily processed into arbitrary shape
And it is easy demoulding.
(2) nano-titanium dioxide modified polyvinyl chloride is capable of the intensity of reinforced polyvinyl chloride, increases the polarity of polyvinyl chloride,
It makes it easier to combine with other raw materials, and increases the dispersibility of raw material, generate sodium hydroxide pellets after NaCl electrolysis, sink
Shallow lake can be evenly coated at titanium dioxide surface, form one layer of very thin clad, make it easier to connect with polyvinyl chloride.
(3) corundum modified polycarbonate can increase the hardness, corrosion resistance and ultraviolet resistance characteristic of polycarbonate, make to gather
Carbonic ester acid and alkali-resistance, it is constant to be able to maintain property under ultraviolet light, and mannitol can promote corundum and polycarbonate to be grafted,
Accelerate modification rate.
(4) production technology of winding layer of the present invention and its raw materials used and raw material proportion, so that winding obtained
Layer intensity is high, toughness is big, and bend resistance ability is strong, corrosion resistance and good, long service life.
Specific embodiment:
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
Embodiment 1:
A kind of production technology of logging signal cable winding layer, comprising the following steps:
(1) by 100 parts of nano-titanium dioxide modified polyvinyl chloride, 50 parts of polystyrene, 30 parts of corundum modified polycarbonates
It is uniformly mixed with 20 parts of isoprene rubbers, is put into high-speed mixer under 600r/min revolving speed and stirs 40min, to mixing after stirring
The urea liquid that the mass concentration that 20 times of mixture weight are added in object is 5%, mixed solution is put into full of hydrogen and nitrogen
In the closed environment of gaseous mixture, 30min is stood at 110 DEG C, wherein gaseous mixture air pressure is 2Mpa, the volume of hydrogen and nitrogen
Than filtering after standing, cleaning sediment with deionized water for 2:3, it is dry to be put into vacuum oven；
(2) mixture of above-mentioned steps (1) after dry is dissolved in 30 times of mixture weight, the chlorination that mass concentration is 10%
In calcium solution, and solution is placed in 35 DEG C of water-baths, when solution temperature is increased to bath temperature, 10min is kept the temperature, with 100r/
Min revolving speed agitating solution, and 15 parts of cocoanut fatty acid diethanolamides, 15 parts of cumyl peroxides, 5 are added into solution
Revolving speed is increased to 200r/min after addition by part zinc oxide and 10 parts of 2- methyl methacrylates, is stirred 30min, is put after stirring
Enter to be cooled to 8 DEG C of stopping coolings in mixture of ice and water, sediment deionized water is filtered cleaning 3 times by centrifugation；
(3) 25 parts of viscose rayons, 20 parts of nano aluminium oxides and 25 parts of first are added in the mixture prepared to above-mentioned steps (2)
Base methyl acrylate-acrylic acid N-butyl-Sodium Allyl Sulfonate, the after mixing dry ball milling under 300r/min revolving speed
40min crosses 180 mesh and 240 meshes after ball milling, chooses the mixture for sieving median particle size twice, mixture is put into sesame oil
40min is fumigated in saturated vapor pressure, mixture is dissolved in ethyl alcohol after cooling, recycling ethyl alcohol and sesame oil is concentrated under reduced pressure；
(4) mixture by above-mentioned steps (3) preparation is sent into extrusion molding in extruder.
Embodiment 2:
A kind of production technology of logging signal cable winding layer, comprising the following steps:
(1) by 150 parts of nano-titanium dioxide modified polyvinyl chloride, 80 parts of polystyrene, 60 parts of corundum modified polycarbonates
It is uniformly mixed with 40 parts of isoprene rubbers, is put into high-speed mixer under 800r/min revolving speed and stirs 60min, to mixing after stirring
The urea liquid that the mass concentration that 26 times of mixture weight are added in object is 8%, mixed solution is put into full of hydrogen and nitrogen
In the closed environment of gaseous mixture, 40min is stood at 140 DEG C, wherein gaseous mixture air pressure is 3Mpa, the volume of hydrogen and nitrogen
Than filtering after standing, cleaning sediment with deionized water for 2:3, it is dry to be put into vacuum oven；
(2) mixture of above-mentioned steps (1) after dry is dissolved in 50 times of mixture weight, the chlorination that mass concentration is 13%
In calcium solution, and solution is placed in 45 DEG C of water-baths, when solution temperature is increased to bath temperature, 10min is kept the temperature, with 120r/
Min revolving speed agitating solution, and into solution be added 25 parts of cocoanut fatty acid diethanolamides, 20 parts of cumyl peroxides,
Revolving speed is increased to 250r/min after addition by 10 parts of zinc oxide and 30 parts of 2- methyl methacrylates, 40min is stirred, after stirring
It is put into mixture of ice and water and is cooled to 10 DEG C of stopping coolings, sediment deionized water is filtered cleaning 3 times by centrifugation；
(3) 40 parts of viscose rayons, 35 parts of nano aluminium oxides and 35 parts of first are added in the mixture prepared to above-mentioned steps (2)
Base methyl acrylate-acrylic acid N-butyl-Sodium Allyl Sulfonate, the after mixing dry ball milling under 400r/min revolving speed
50min crosses 180 mesh and 240 meshes after ball milling, chooses the mixture for sieving median particle size twice, mixture is put into sesame oil
50min is fumigated in saturated vapor pressure, mixture is dissolved in ethyl alcohol after cooling, recycling ethyl alcohol and sesame oil is concentrated under reduced pressure；
(4) mixture by above-mentioned steps (3) preparation is sent into extrusion molding in extruder.
The nano-titanium dioxide modified polyvinyl chloride the preparation method comprises the following steps:
(1) nano-titanium dioxide is added in sodium chloride solution, with 80r/min revolving speed agitating solution, is added into solution
Positive and negative pole material and powering on is electrolysed solution, terminates to be electrolysed when precipitating stops and generating, and alkali, which is made, enhances nanometer two
Titanium oxide；
(2) alkali is enhanced into nano-titanium dioxide and polyvinyl chloride is uniformly mixed, be added in 15 times of mixture weight of ethyl alcohol,
Flow back 3h at 85 DEG C, recycling ethyl alcohol is concentrated under reduced pressure after cooling by drying precipitate, nano-titanium dioxide modified polychlorostyrene second is made
Alkene.
The mass concentration of the sodium chloride is 6%, and the mass ratio of nano-titanium dioxide and sodium chloride is 12:1, and alkali enhancing is received
The mass ratio of rice titanium dioxide and polyvinyl chloride is 3:7.
Embodiment 3:
A kind of production technology of logging signal cable winding layer, comprising the following steps:
(1) by 120 parts of nano-titanium dioxide modified polyvinyl chloride, 60 parts of polystyrene, 40 parts of corundum modified polycarbonates
It is uniformly mixed with 30 parts of isoprene rubbers, is put into high-speed mixer under 700r/min revolving speed and stirs 50min, to mixing after stirring
The urea liquid that the mass concentration that 22 times of mixture weight are added in object is 6%, mixed solution is put into full of hydrogen and nitrogen
In the closed environment of gaseous mixture, 35min is stood at 120 DEG C, wherein gaseous mixture air pressure is 2Mpa, the volume of hydrogen and nitrogen
Than filtering after standing, cleaning sediment with deionized water for 2:3, it is dry to be put into vacuum oven；
(2) mixture of above-mentioned steps (1) after dry is dissolved in 40 times of mixture weight, the chlorination that mass concentration is 12%
In calcium solution, and solution is placed in 40 DEG C of water-baths, when solution temperature is increased to bath temperature, 10min is kept the temperature, with 110r/
Min revolving speed agitating solution, and 20 parts of cocoanut fatty acid diethanolamides, 17 parts of cumyl peroxides, 6 are added into solution
Revolving speed is increased to 220r/min after addition by part zinc oxide and 20 parts of 2- methyl methacrylates, is stirred 33min, is put after stirring
Enter to be cooled to 9 DEG C of stopping coolings in mixture of ice and water, sediment deionized water is filtered cleaning 3 times by centrifugation；
(3) 30 parts of viscose rayons, 25 parts of nano aluminium oxides and 30 parts of first are added in the mixture prepared to above-mentioned steps (2)
Base methyl acrylate-acrylic acid N-butyl-Sodium Allyl Sulfonate, the after mixing dry ball milling under 350r/min revolving speed
45min crosses 180 mesh and 240 meshes after ball milling, chooses the mixture for sieving median particle size twice, mixture is put into sesame oil
45min is fumigated in saturated vapor pressure, mixture is dissolved in ethyl alcohol after cooling, recycling ethyl alcohol and sesame oil is concentrated under reduced pressure；
(4) mixture by above-mentioned steps (3) preparation is sent into extrusion molding in extruder.
The corundum modified polycarbonate the preparation method comprises the following steps: by corundum be added mannitol solution in, in 20KHz, 150W
Then polycarbonate is added in lower ultrasound 15min into solution, continue ultrasound 20min, solution is moved into reaction kettle, at 150 DEG C
Lower reaction 8h is centrifuged after cooling, sediment is cleaned 5 times with deionized water, dry, and corundum modified polycarbonate is made.
The mass concentration of the mannitol is 15%, and the mass ratio of corundum and polycarbonate is 1:15.
Embodiment 4:
A kind of production technology of logging signal cable winding layer, comprising the following steps:
(1) by 140 parts of nano-titanium dioxide modified polyvinyl chloride, 70 parts of polystyrene, 50 parts of corundum modified polycarbonates
It is uniformly mixed with 35 parts of isoprene rubbers, is put into high-speed mixer under 750r/min revolving speed and stirs 55min, to mixing after stirring
The urea liquid that the mass concentration that 24 times of mixture weight are added in object is 7%, mixed solution is put into full of hydrogen and nitrogen
In the closed environment of gaseous mixture, 40min is stood at 130 DEG C, wherein gaseous mixture air pressure is 3Mpa, the volume of hydrogen and nitrogen
Than filtering after standing, cleaning sediment with deionized water for 2:3, it is dry to be put into vacuum oven；
(2) mixture of above-mentioned steps (1) after dry is dissolved in 45 times of mixture weight, the chlorination that mass concentration is 12%
In calcium solution, and solution is placed in 42 DEG C of water-baths, when solution temperature is increased to bath temperature, 10min is kept the temperature, with 110r/
Min revolving speed agitating solution, and 15 parts of cocoanut fatty acid diethanolamides, 18 parts of cumyl peroxides, 8 are added into solution
Revolving speed is increased to 240r/min after addition by part zinc oxide and 25 parts of 2- methyl methacrylates, is stirred 35min, is put after stirring
Enter to be cooled to 10 DEG C of stopping coolings in mixture of ice and water, sediment deionized water is filtered cleaning 3 times by centrifugation；
(3) 35 parts of viscose rayons, 30 parts of nano aluminium oxides and 30 parts of first are added in the mixture prepared to above-mentioned steps (2)
Base methyl acrylate-acrylic acid N-butyl-Sodium Allyl Sulfonate, the after mixing dry ball milling under 300r/min revolving speed
50min crosses 180 mesh and 240 meshes after ball milling, chooses the mixture for sieving median particle size twice, mixture is put into sesame oil
40-50min is fumigated in saturated vapor pressure, mixture is dissolved in ethyl alcohol after cooling, recycling ethyl alcohol and sesame oil is concentrated under reduced pressure；
(4) mixture by above-mentioned steps (3) preparation is sent into extrusion molding in extruder.
The nano-titanium dioxide modified polyvinyl chloride the preparation method comprises the following steps:
(1) nano-titanium dioxide is added in sodium chloride solution, with 50r/min revolving speed agitating solution, is added into solution
Positive and negative pole material and powering on is electrolysed solution, terminates to be electrolysed when precipitating stops and generating, and alkali, which is made, enhances nanometer two
Titanium oxide；
(2) alkali is enhanced into nano-titanium dioxide and polyvinyl chloride is uniformly mixed, be added in 10 times of mixture weight of ethyl alcohol,
Flow back 2h at 80 DEG C, recycling ethyl alcohol is concentrated under reduced pressure after cooling by drying precipitate, nano-titanium dioxide modified polychlorostyrene second is made
Alkene.
The mass concentration of the sodium chloride is 5%, and the mass ratio of nano-titanium dioxide and sodium chloride is 10:1, and alkali enhancing is received
The mass ratio of rice titanium dioxide and polyvinyl chloride is 3:7.
The corundum modified polycarbonate the preparation method comprises the following steps: by corundum be added mannitol solution in, in 20KHz, 150W
Then polycarbonate is added in lower ultrasound 15min into solution, continue ultrasound 20min, solution is moved into reaction kettle, at 130 DEG C
Lower reaction 6h is centrifuged after cooling, sediment is cleaned 3 times with deionized water, dry, and corundum modified polycarbonate is made.
The mass concentration of the mannitol is 12%, and the mass ratio of corundum and polycarbonate is 1:13.
Comparative example:
A kind of production technology of logging signal cable winding layer, comprising the following steps:
(1) 100 parts of polyvinyl chloride, 50 parts of polystyrene, 30 parts of polycarbonate and 20 parts of isoprene rubbers are uniformly mixed, are put
Enter in high-speed mixer and stirs 40min under 600r/min revolving speed；
(2) said mixture is added to the water and is placed in 35 DEG C of water-baths, when solution temperature is increased to bath temperature, heat preservation
10min with 100r/min revolving speed agitating solution, and 15 parts of cocoanut fatty acid diethanolamides, 15 parts of mistakes is added into solution
Diisopropylbenzene (DIPB), 5 parts of zinc oxide and 10 parts of 2- methyl methacrylates are aoxidized, revolving speed is increased to 200r/min after addition, are stirred
30min, is put into mixture of ice and water after stirring and is cooled to 8 DEG C of stopping coolings, and sediment is filtered with deionized water and cleaned by centrifugation
3 times；
(3) 25 parts of viscose rayons, 20 parts of nano aluminium oxides and 25 parts of methyl are added in the mixture prepared to above-mentioned steps
Methyl acrylate-acrylic acid N-butyl-Sodium Allyl Sulfonate, the dry ball milling 40min under 300r/min revolving speed after mixing,
180 mesh and 240 meshes are crossed after ball milling, choose the mixture for sieving median particle size twice；
(4) mixture by above-mentioned steps preparation is sent into extrusion molding in extruder.
Every mechanics properties testing, knot are carried out to logging signal cable winding layer prepared by the above various embodiments and comparative example
Fruit is as follows:
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
1. a kind of production technology of logging signal cable winding layer, which comprises the following steps:
(1) nano-titanium dioxide modified polyvinyl chloride, polystyrene, corundum modified polycarbonate and isoprene rubber are mixed equal
It is even, it is put into high-speed mixer under 600-800r/min revolving speed and stirs 40-60min, mixing is added after stirring into mixture
The mass concentration of 20-26 times of object weight is the urea liquid of 5-8%, and mixed solution is put into full of hydrogen and nitrogen mixture
In closed environment, 30-40min is stood at 110-140 DEG C, wherein gaseous mixture air pressure is 2-3Mpa, the volume of hydrogen and nitrogen
Than filtering after standing, cleaning sediment with deionized water for 2:3, it is dry to be put into vacuum oven；
(2) mixture of above-mentioned steps (1) after dry is dissolved in 30-50 times of mixture weight, the chlorine that mass concentration is 10-13%
Change in calcium solution, and solution is placed in 35-45 DEG C of water-bath, when solution temperature is increased to bath temperature, keeps the temperature 10min, with
100-120r/min revolving speed agitating solution, and into solution be added cocoanut fatty acid diethanolamide, cumyl peroxide,
Revolving speed is increased to 200-250r/min after addition by zinc oxide and 2- methyl methacrylate, is stirred 30-40min, is put after stirring
Enter to be cooled to 8-10 DEG C of stopping cooling in mixture of ice and water, sediment deionized water is filtered cleaning 3 times by centrifugation；
(3) viscose rayon, nano aluminium oxide and methyl methacrylate-the third is added in the mixture prepared to above-mentioned steps (2)
Olefin(e) acid N-butyl-Sodium Allyl Sulfonate, the dry ball milling 40-50min under 300-400r/min revolving speed after mixing, after ball milling
180 mesh and 240 meshes are crossed, the mixture for sieving median particle size twice is chosen, mixture is put into sesame oil saturated vapor pressure
Mixture is dissolved in ethyl alcohol after cooling and recycling ethyl alcohol and sesame oil is concentrated under reduced pressure by stifling 40-50min；
(4) mixture by above-mentioned steps (3) preparation is sent into extrusion molding in extruder.
2. the production technology of logging signal cable winding layer according to claim 1, which is characterized in that the nano-silica
Change titanium modified polyvinyl chloride the preparation method comprises the following steps:
(1) nano-titanium dioxide is added in sodium chloride solution, with 50-80r/min revolving speed agitating solution, is added just into solution
Negative electrode material and powering on is electrolysed solution, terminates to be electrolysed when precipitating stops and generating, and alkali, which is made, enhances nano-silica
Change titanium；
(2) alkali is enhanced into nano-titanium dioxide and polyvinyl chloride is uniformly mixed, be added in 10-15 times of mixture weight of ethyl alcohol,
Flow back 2-3h at 80-85 DEG C, and recycling ethyl alcohol is concentrated under reduced pressure after cooling by drying precipitate and is made nano-titanium dioxide modified
Polyvinyl chloride.
3. the production technology of logging signal cable winding layer according to claim 2, which is characterized in that the sodium chloride
Mass concentration is 5-6%, and the mass ratio of nano-titanium dioxide and sodium chloride is 10-12:1, and alkali enhances nano-titanium dioxide and poly-
The mass ratio of vinyl chloride is 3:7.
4. the production technology of logging signal cable winding layer according to claim 1, which is characterized in that the corundum is modified
Polycarbonate the preparation method comprises the following steps: by corundum be added mannitol solution in, the ultrasound 15min at 20KHz, 150W, then to molten
Polycarbonate is added in liquid, continues ultrasound 20min, solution is moved into reaction kettle, 6-8h is reacted at 130-150 DEG C, it is cooling
After be centrifuged, sediment is cleaned 3-5 times with deionized water, it is dry, corundum modified polycarbonate is made.
5. the production technology of logging signal cable winding layer according to claim 4, which is characterized in that the mannitol
Mass concentration is 12-15%, and the mass ratio of corundum and polycarbonate is 1:13-15.
6. the production technology of logging signal cable winding layer according to claim 1, which is characterized in that each raw material according to
Lower parts by weight composition: nano-titanium dioxide modified polyvinyl chloride 100-150 parts, 50-80 parts of polystyrene, the modified poly- carbon of corundum
30-60 parts of acid esters, 20-40 parts of isoprene rubber, 25-40 parts of viscose rayon, 20-35 parts of nano aluminium oxide, coco-nut oil fatty acid two
15-25 parts of glycollic amide, 15-20 parts of cumyl peroxide, 5-10 parts of zinc oxide, 10-30 parts of 2- methyl methacrylate, first
Base methyl acrylate-acrylic acid N-butyl -25-35 parts of Sodium Allyl Sulfonate.
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| CN107722588A (en) * | 2017-09-30 | 2018-02-23 | 四川力智久创知识产权运营有限公司 | A kind of cable modification material of polycarbonate and preparation method thereof |
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| CN108933005A (en) | 2018-12-04 |
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