CN110172216A - Underground pipe gallery electric power protection polyvinyl chloride solid wall pipe and preparation method thereof - Google Patents
Underground pipe gallery electric power protection polyvinyl chloride solid wall pipe and preparation method thereof Download PDFInfo
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- CN110172216A CN110172216A CN201910392882.3A CN201910392882A CN110172216A CN 110172216 A CN110172216 A CN 110172216A CN 201910392882 A CN201910392882 A CN 201910392882A CN 110172216 A CN110172216 A CN 110172216A
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- polyvinyl chloride
- solid wall
- electric power
- chloride solid
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- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 48
- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 48
- 239000007787 solid Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 30
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 74
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 47
- 239000004609 Impact Modifier Substances 0.000 claims abstract description 38
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 24
- 239000004005 microsphere Substances 0.000 claims abstract description 22
- 239000000314 lubricant Substances 0.000 claims abstract description 19
- 239000003381 stabilizer Substances 0.000 claims abstract description 18
- 239000007822 coupling agent Substances 0.000 claims abstract description 15
- 239000012745 toughening agent Substances 0.000 claims abstract description 14
- 239000011258 core-shell material Substances 0.000 claims abstract description 8
- 239000004801 Chlorinated PVC Substances 0.000 claims abstract description 7
- 229920000457 chlorinated polyvinyl chloride Polymers 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 27
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 22
- 239000008188 pellet Substances 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 18
- 238000010792 warming Methods 0.000 claims description 16
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 14
- 239000000243 solution Substances 0.000 claims description 14
- 239000004605 External Lubricant Substances 0.000 claims description 11
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 claims description 11
- 239000011259 mixed solution Substances 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 230000002045 lasting effect Effects 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000012153 distilled water Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 8
- 235000019394 potassium persulphate Nutrition 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 5
- 238000000498 ball milling Methods 0.000 claims description 5
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 5
- 239000000194 fatty acid Substances 0.000 claims description 5
- 229930195729 fatty acid Natural products 0.000 claims description 5
- 150000004665 fatty acids Chemical class 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 239000006210 lotion Substances 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- 230000002459 sustained effect Effects 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 3
- 238000005119 centrifugation Methods 0.000 claims description 2
- 238000004321 preservation Methods 0.000 claims description 2
- 238000010992 reflux Methods 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims 1
- 150000002191 fatty alcohols Chemical class 0.000 claims 1
- 230000035939 shock Effects 0.000 abstract description 10
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 6
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 6
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 6
- 239000008187 granular material Substances 0.000 description 5
- 125000001931 aliphatic group Chemical group 0.000 description 4
- 229910021486 amorphous silicon dioxide Inorganic materials 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 3
- 239000005639 Lauric acid Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 206010068150 Acoustic shock Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005411 Van der Waals force Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000011246 composite particle Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- -1 lasting to stir Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000002525 ultrasonication Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses underground pipe gallery electric power protection polyvinyl chloride solid wall pipes and preparation method thereof, it is related to tubing technical field, raw material including following parts by weight: 40-60 parts of PVC, 30-40 parts of CPVC, 5-10 parts of anti-impact modifiers, 5-10 parts of toughener, 1-3 parts of stabilizers, 0.1-0.6 especially lubricant, 0.1-0.6 parts of in-lubricants, 2-5 parts of coupling agents, the anti-impact modifier is silica/nitrile rubber complex microsphere, the silica/nitrile rubber complex microsphere is using nano amorphous silica as core, nitrile rubber is the core-shell structure of shell, the silica/nitrile rubber complex microsphere diameter is 200-300nm, the shell thickness of the core-shell structure is 10-18nm.Underground pipe gallery electric power protection polyvinyl chloride solid wall pipe and preparation method thereof of the invention, the polyvinyl chloride solid wall pipe being prepared have preferable shock resistance and preferable low temperature resistant brittleness.
Description
Technical field
The present invention relates to tubing technical field more particularly to underground pipe gallery electric power protection polyvinyl chloride solid wall pipe and
Preparation method.
Background technique
Power industry is most important basic energy resource industry in the national economic development.Previous cable is mostly passed in a manner of aerial
Defeated, with the raising of electric network reliability and safety, environmental requirement, more and more cables are transmitted in a manner of buried.With state
Family's Efforts To Develop underground pipe gallery construction uses and is transformed underground power cable pipeline and meets the three lines landing of country's promotion, with modeling
For steel industrial policy and principle, therefore, it is necessary for developing a kind of tubing of suitable underground pipe gallery electric power protection
's.
It is more and more using Plastic power pipe currently on the market as country greatly develops power industry, especially
It is the paving mode of digging type power pipe, most of power pipe for using pvc material, and traditional polyvinyl chloride pipe
Material, in most formula system, cost is relatively low for relatively other plastic conduits, but second-rate, along with industry
Harmful competition, product quality is not able to satisfy the needs of construction and utilization largely, especially for more demanding power engineering.
Currently, the electric power protection pipe of better performances mostly uses greatly chliorinated polyvinyl chloride power pipe, and currently as chliorinated polyvinyl chloride electricity
The primary raw material chliorinated polyvinyl chloride power pipe of solenoid is resin dedicated expensive, and since the temperature of underground pipe gallery is opposite
It is lower, it will affect the performance of tubing, so that chliorinated polyvinyl chloride power pipe shock resistance reduces, cause during use
Easily it is broken.
Summary of the invention
In view of the above-mentioned problems, it is an object of the invention to design to provide underground pipe gallery electric power protection polyvinyl chloride reality
Wall pipe and preparation method thereof, the polyvinyl chloride solid wall pipe being prepared have preferable shock resistance and preferable low temperature resistant
Brittleness.
The present invention solves above-mentioned technical problem by following technological means:
Underground pipe gallery electric power protection polyvinyl chloride solid wall pipe, the raw material including following parts by weight: 40-60 parts of PVC,
30-40 parts of CPVC, 5-10 parts of anti-impact modifiers, 5-10 parts of toughener, 1-3 parts of stabilizers, 0.1-0.6 especially lubricant,
0.1-0.6 parts of in-lubricants, 2-5 parts of coupling agents, the anti-impact modifier are silica/nitrile rubber complex microsphere.
Further, the raw material including following parts by weight: 50 parts of PVC, 30 parts of CPVC, 8 parts of anti-impact modifiers, 8 parts of toughenings
Agent, 2 parts of stabilizers, 0.4 especially lubricant, 0.4 part of in-lubricant, 3 parts of coupling agents.
Further, the silica/nitrile rubber complex microsphere is the nitrile rubber using nano amorphous silica as core
For the core-shell structure of shell, the shell of the nitrile rubber is in cotton shape structure.
Further, the silica/nitrile rubber complex microsphere diameter is 200-300nm, the core-shell structure
Shell thickness is 10-18nm.
Anti-impact modifier of the invention is silica/nitrile rubber complex microsphere, using inorganic nano amorphous two
Silicon oxide particle and organic nitrile rubber combine, and the addition of the nano amorphous silicon dioxide granule of one side is to a certain extent
Play the role of toughener, therefore the usage amount of toughener can be reduced to a certain extent, on the other hand, nitrile rubber is made
The shock resistance that can be improved pipe for the addition of elastomer, therefore nitrile rubber, improves the low-temperature impact resistance of pipe.
In addition, the core-shell structure of anti-impact modifier, wraps up nano amorphous silicon dioxide granule using nitrile rubber, plays
Certain barrier action reduces Van der Waals force and Coulomb force between nano amorphous silicon dioxide granule, reduces nano amorphous
Agglomeration between silicon dioxide granule enables silica/nitrile rubber complex microsphere to disperse more evenly, and can
Silica/nitrile rubber complex microsphere and the interfacial bonding active force of PVC are effectively improved, when by external force, silica/
Shear stress transfer around nitrile rubber complex microsphere, makes the matrix being crosslinked therewith generate local yielding, absorbs more energy
Amount has achieved the effect that improve its impact strength to realize rigid toughening；In addition, the nitrile rubber layer of cotton shape structure
Silica/nitrile rubber complex microsphere deformation range is increased from structure can absorb when by foreign impacts power
More energy, and then increase the shock resistance of tubing.
Further, the toughener is CPE and/or NBR, and the stabilizer is lead salt stabilizer, and external lubricant is advanced
Fatty acid, in-lubricant is higher aliphatic, coupling agent is silane coupling agent.
Further, the preparation method specifically: first after mixing by PVC and CPVC, stabilizer is added, is heated to
100-105 DEG C, the mixed 15-20min of heat obtains material A, then by external lubricant, in-lubricant, coupling agent, toughener, shock resistance
Modifying agent is added in ball mill, and in nitrogen protection, revolving speed is ball milling 12-14h under conditions of 160-180r/min, obtains material B,
Material A and material B are placed in batch mixer, 40-50 DEG C is warming up to and is stirred 30min, then is warming up to 90-100 DEG C of stirring and mixes
1h is closed, then is warming up to 120-130 DEG C, after being stirred 30min, is cooled to room temperature, stirring is stopped, mixed material being sent to double
Screw extruder squeezes out to obtain polyvinyl chloride solid wall pipe.
Further, the feeding temperature of the double screw extruder is 130-140 DEG C, and plasticizing zone temperature is 180-190 DEG C, very
Reciprocal of duty cycle is 0.08-0.085MPa, and the temperature of melt delivery area is 160-165 DEG C, screw speed 20-25r/min.
Further, the preparation method of the anti-impact modifier specifically: dodecyl sodium sulfate is dissolved in distilled water
In, it is then added and passes through pretreated nano amorphous silicon oxide pellets, it is lasting to stir after ultrasonic disperse, and it is warming up to 70-
75 DEG C, potassium peroxydisulfate is added, and acrylonitrile-butadiene mixed solution is added dropwise with 2-5 drop/s speed, after being added dropwise to complete, super
Under the conditions of acoustic shock is swung, sustained response 10-12h is kept the temperature, obtains reaction lotion, after being cooled to room temperature, after centrifugation, washing, drying
To silica/nitrile rubber complex microsphere to get arrive anti-impact modifier.
Further, the ultrasonic vibration be cosine state ultrasonic wave and variable-frequency ultrasonic alternately, and the cosine state is super
The frequency of sound wave is 20-25KHz, power 150mW/cm2, the frequency of the variable-frequency ultrasonic is 35-40KHz, and power is
200mW/cm2。
In the preparation process of anti-impact modifier, using cosine state ultrasonic wave and variable-frequency ultrasonic alternately to reaction solution into
Row processing generates vibration using ultrasonic wave and induces the nitrile rubber shell of generation, using the cavitation of ultrasonic wave, promotees
Nitrile rubber shell is set to generate cotton shape structure.
Further, the pretreatment specifically: nano amorphous silicon oxide pellets are placed in DMF solution, ultrasonic disperse,
Then N- phenyl-Isosorbide-5-Nitrae-phenylenediamine is dissolved in DMF, is added in nano amorphous silicon dioxde solution, adds silane
Coupling agent, lasting to stir, oil bath heating is to 120 DEG C, after heat preservation reflux 40-48h, cooled to room temperature, and filtering, with anhydrous second
After alcohol washing, it is dried in vacuo under the conditions of 60 DEG C, it is spare.
During pretreated, under the action of silane coupling agent, N- phenyl-Isosorbide-5-Nitrae-phenylenediamine is grafted to nano amorphous
The surface of silicon oxide pellets, then in the mistake that pretreated nano amorphous silicon oxide pellets are carried out with nitrile rubber package
Cheng Zhong, N- phenyl-Isosorbide-5-Nitrae-phenylenediamine can consume the partial double bond in nitrile rubber, increase its inoxidizability, and N- phenyl-
Isosorbide-5-Nitrae-phenylenediamine can prevent the transmitting of free chain reaction, to increase the heat resistanceheat resistant of nitrile rubber to a certain extent
Ageing properties.
Further, the frequency of the ultrasonic disperse is 25KHz, power 750W, jitter time 10min.
Under the ultrasound condition, ultrasonic wave can generate certain break to the hydrogen bond between nano amorphous silicon oxide pellets
It is bad, the reunion between nano amorphous silicon oxide pellets on the one hand can be reduced to a certain extent, so that it is in DMF solution
More evenly, on the other hand, ultrasonication can carry out surface to nano amorphous silicon oxide pellets to a certain extent for dispersion
Activation, increases its respond, is conducive to subsequent reactions.
Beneficial effects of the present invention:
1. underground pipe gallery electric power protection polyvinyl chloride solid wall pipe of the invention has by optimizing to formula
There are preferable shock resistance and preferable low temperature resistant brittleness.
2. anti-impact modifier of the present invention uses what nano amorphous silicon dioxide granule was mutually compounded to form with nitrile rubber
Composite particles can improve the toughness and shock resistance of tubing, and the shell of nitrile rubber can be improved anti-impact modifier
Dispersibility, while the N- phenyl-Isosorbide-5-Nitrae-phenylenediamine introduced can improve the ageing resistance of nitrile rubber to a certain extent
Can, therefore, the service life of tubing can be increased to a certain extent, and more suitable for as electric power protection tubing.
Specific embodiment
Below with reference to specific embodiment, the present invention is described in detail:
Underground pipe gallery electric power protection polyvinyl chloride solid wall pipe and preparation method thereof of the invention, used in raw material
Anti-impact modifier be silica/nitrile rubber complex microsphere, have using nano amorphous silica as core, nitrile rubber
For the core-shell structure of shell, and the shell of nitrile rubber is in cotton shape structure.
Embodiment one
The preparation 1 of anti-impact modifier
Pretreatment: the nano amorphous silicon oxide pellets that partial size is 200nm are placed in DMF solution, are in frequency
25KHz, power carry out ultrasonic disperse 10min under conditions of being 750W, N- phenyl-Isosorbide-5-Nitrae-phenylenediamine are then dissolved in DMF
In, it is added in nano amorphous silicon dioxde solution, adds silane coupling agent, wherein nano amorphous silicon oxide pellets, N-
Phenyl-Isosorbide-5-Nitrae-phenylenediamine, silane coupling agent mass ratio be 1:2:0.1, lasting to stir, oil bath heating is kept the temperature back to 120 DEG C
After flowing 40h, cooled to room temperature, filtering after being washed 2-3 times with dehydrated alcohol, is dried in vacuo under the conditions of 60 DEG C, standby
With.
Anti-impact modifier preparation: dodecyl sodium sulfate is dissolved in distilled water, is then added by pretreated
Nano amorphous silicon oxide pellets are 20KHz in frequency, and power is ultrasonic disperse under conditions of 120W, lasting to stir, and are heated up
To 75 DEG C, potassium peroxydisulfate is added, and acrylonitrile-butadiene mixed solution is added dropwise with 2-5 drop/s speed, after being added dropwise to complete,
Under the conditions of ultrasonic vibration, sustained response 10h is kept the temperature, reaction lotion is obtained, after being cooled to room temperature, under conditions of 6000r/min
Be centrifuged, and washed after 2-3 times with dehydrated alcohol, to obtain silica/nitrile rubber after being dried in vacuo at 80 DEG C compound
Microballoon passes through projection Electronic Speculum observation to get anti-impact modifier is arrived, by the complex microsphere being prepared, it will be seen that silica/fourth
Nitrile rubber complex microsphere shell with a thickness of 10nm, wherein dodecyl sodium sulfate, distilled water, nano amorphous silica are small
The mass ratio of ball, potassium peroxydisulfate and acrylonitrile-butadiene mixed solution is 1:1000:50:2:25, wherein acrylonitrile-butadiene
The mass ratio of acrylonitrile and butadiene is 1:1 in mixed solution, and ultrasonic vibration is that cosine state ultrasonic wave and variable-frequency ultrasonic replace
It carries out, the frequency of cosine state ultrasonic wave is 20KHz, power 150mW/cm2, the frequency of variable-frequency ultrasonic is 35KHz, and power is
200mW/cm2。
Embodiment two
The preparation 2 of anti-impact modifier
Pretreatment: the nano amorphous silicon oxide pellets that partial size is 300nm are placed in DMF solution, are in frequency
25KHz, power carry out ultrasonic disperse 10min under conditions of being 750W, N- phenyl-Isosorbide-5-Nitrae-phenylenediamine are then dissolved in DMF
In, it is added in nano amorphous silicon dioxde solution, adds silane coupling agent, wherein nano amorphous silicon oxide pellets, N-
Phenyl-Isosorbide-5-Nitrae-phenylenediamine, silane coupling agent mass ratio be 1:2:0.1, lasting to stir, oil bath heating is kept the temperature back to 120 DEG C
After flowing 48h, cooled to room temperature, filtering after being washed 2-3 times with dehydrated alcohol, is dried in vacuo under the conditions of 60 DEG C, standby
With.
Anti-impact modifier preparation: dodecyl sodium sulfate is dissolved in distilled water, is then added by pretreated
Nano amorphous silicon oxide pellets are 20KHz in frequency, and power is ultrasonic disperse under conditions of 120W, lasting to stir, and are heated up
To 72 DEG C, potassium peroxydisulfate is added, and acrylonitrile-butadiene mixed solution is added dropwise with 2-5 drop/s speed, after being added dropwise to complete,
Under the conditions of ultrasonic vibration, sustained response 11h is kept the temperature, reaction lotion is obtained, after being cooled to room temperature, under conditions of 6000r/min
Be centrifuged, and washed after 2-3 times with dehydrated alcohol, to obtain silica/nitrile rubber after being dried in vacuo at 80 DEG C compound
Microballoon passes through projection Electronic Speculum observation to get anti-impact modifier is arrived, by the complex microsphere being prepared, it will be seen that silica/fourth
Nitrile rubber complex microsphere shell with a thickness of 18nm, wherein dodecyl sodium sulfate, distilled water, nano amorphous silica are small
The mass ratio of ball, potassium peroxydisulfate and acrylonitrile-butadiene mixed solution is 1:1000:50:2:40, wherein acrylonitrile-butadiene
The mass ratio of acrylonitrile and butadiene is 1:1 in mixed solution, and ultrasonic vibration is that cosine state ultrasonic wave and variable-frequency ultrasonic replace
It carries out, the frequency of cosine state ultrasonic wave is 23KHz, power 150mW/cm2, the frequency of variable-frequency ultrasonic is 30KHz, and power is
200mW/cm2。
Embodiment three
The preparation 3 of anti-impact modifier
Pretreatment: the nano amorphous silicon oxide pellets that partial size is 250nm are placed in DMF solution, are in frequency
25KHz, power carry out ultrasonic disperse 10min under conditions of being 750W, N- phenyl-Isosorbide-5-Nitrae-phenylenediamine are then dissolved in DMF
In, it is added in nano amorphous silicon dioxde solution, adds silane coupling agent, wherein nano amorphous silicon oxide pellets, N-
Phenyl-Isosorbide-5-Nitrae-phenylenediamine, silane coupling agent mass ratio be 1:2:0.1, lasting to stir, oil bath heating is kept the temperature back to 120 DEG C
After flowing 45h, cooled to room temperature, filtering after being washed 2-3 times with dehydrated alcohol, is dried in vacuo under the conditions of 60 DEG C, standby
With.
Anti-impact modifier preparation: dodecyl sodium sulfate is dissolved in distilled water, is then added by pretreated
Nano amorphous silicon oxide pellets are 20KHz in frequency, and power is ultrasonic disperse under conditions of 120W, lasting to stir, and are heated up
To 70 DEG C, potassium peroxydisulfate is added, and acrylonitrile-butadiene mixed solution is added dropwise with 2-5 drop/s speed, after being added dropwise to complete,
Under the conditions of ultrasonic vibration, sustained response 12h is kept the temperature, reaction lotion is obtained, after being cooled to room temperature, under conditions of 6000r/min
Be centrifuged, and washed after 2-3 times with dehydrated alcohol, to obtain silica/nitrile rubber after being dried in vacuo at 80 DEG C compound
Microballoon passes through projection Electronic Speculum observation to get anti-impact modifier is arrived, by the complex microsphere being prepared, it will be seen that silica/fourth
Nitrile rubber complex microsphere shell with a thickness of 15nm, wherein dodecyl sodium sulfate, distilled water, nano amorphous silica are small
The mass ratio of ball, potassium peroxydisulfate and acrylonitrile-butadiene mixed solution is 1:1000:50:2:30, wherein acrylonitrile-butadiene
The mass ratio of acrylonitrile and butadiene is 1:1 in mixed solution, and ultrasonic vibration is that cosine state ultrasonic wave and variable-frequency ultrasonic replace
It carries out, the frequency of cosine state ultrasonic wave is 25KHz, power 150mW/cm2, the frequency of variable-frequency ultrasonic is 32KHz, and power is
200mW/cm2。
Example IV
The preparation 1 of polyvinyl chloride solid wall pipe
The anti-impact modifier in anti-impact modifier selection example one in the present embodiment, toughener select CPE, surely
Determining agent is lead salt stabilizer, and external lubricant is higher fatty acids, specially lauric acid, and in-lubricant is higher aliphatic, specifically
For stearyl alcohol, coupling agent is silane coupling agent, specially KH550.
The preparation of polyvinyl chloride solid wall pipe: first after mixing by 50KgPVC and 30Kg CPC, 2Kg stabilizer, heating is added
To 100 DEG C, the mixed 20min of heat obtains material A, then increases 0.4Kg external lubricant, 0.4Kg in-lubricant, 3Kg coupling agent, 8Kg
Tough dose, 8Kg anti-impact modifier be added ball mill in, under nitrogen protection, revolving speed be 160r/min under conditions of ball milling 14h,
Material B is obtained, material A and material B are placed in batch mixer, 40 DEG C is warming up to and is stirred 30min, then is warming up to 100 DEG C and stirs
Mixing 1h is mixed, then is warming up to 120 DEG C, after being stirred 30min, is cooled to room temperature, stirring is stopped, mixed material being sent to double
Screw extruder is 140 DEG C in the feeding temperature of double screw extruder, and plasticizing zone temperature is 180 DEG C, and vacuum degree is
0.085MPa, the temperature of melt delivery area are 165 DEG C, and screw speed squeezes out under conditions of being 20r/min obtains polyvinyl chloride reality
Wall pipe.
Embodiment five
The preparation 2 of polyvinyl chloride solid wall pipe
The anti-impact modifier in anti-impact modifier selection example two in the present embodiment, toughener select NBR, surely
Determining agent is lead salt stabilizer, and external lubricant is higher fatty acids, specially lauric acid, and in-lubricant is higher aliphatic, specifically
For stearyl alcohol, coupling agent is silane coupling agent, specially KH550.
The preparation of polyvinyl chloride solid wall pipe: first after mixing by 40KgPVC and 35Kg CPC, 1Kg stabilizer, heating is added
To 103 DEG C, the mixed 18min of heat obtains material A, then increases 0.1Kg external lubricant, 0.1Kg in-lubricant, 2Kg coupling agent, 5Kg
Tough dose, 5Kg anti-impact modifier be added ball mill in, under nitrogen protection, revolving speed be 170r/min under conditions of ball milling 13h,
Material B is obtained, material A and material B are placed in batch mixer, 50 DEG C is warming up to and is stirred 30min, then is warming up to 90 DEG C of stirrings
1h is mixed, then is warming up to 125 DEG C, after being stirred 30min, is cooled to room temperature, stirring is stopped, mixed material is sent to double spiral shells
Bar extruder is 130 DEG C in the feeding temperature of double screw extruder, and plasticizing zone temperature is 185 DEG C, vacuum degree 0.08MPa, is melted
The temperature of body delivery area is 160 DEG C, and screw speed squeezes out under conditions of being 23r/min and obtains polyvinyl chloride solid wall pipe.
Embodiment six
The preparation 3 of polyvinyl chloride solid wall pipe
The anti-impact modifier in anti-impact modifier selection example three in the present embodiment, toughener select CPE and
NBR is the mixture obtained after 1:1 is mixed according to mass ratio, and stabilizer is lead salt stabilizer, and external lubricant is higher fatty acids,
Specially lauric acid, in-lubricant are higher aliphatic, specially stearyl alcohol, and coupling agent is silane coupling agent, specially
KH550。
The preparation of polyvinyl chloride solid wall pipe: first after mixing by 60KgPVC and 40Kg CPC, 3Kg stabilizer, heating is added
To 105 DEG C, the mixed 15min of heat obtains material A, then by 0.6Kg external lubricant, 0.6Kg in-lubricant, 5Kg coupling agent, 10Kg
Toughener, 10Kg anti-impact modifier are added in ball mill, and under nitrogen protection, revolving speed is ball milling under conditions of 160r/min
12h obtains material B, and material A and material B are placed in batch mixer, is warming up to 45 DEG C and is stirred 30min, then is warming up to 95 DEG C
It is stirred 1h, then is warming up to 130 DEG C, after being stirred 30min, is cooled to room temperature, stops stirring, mixed material is sent to
Double screw extruder is 135 DEG C in the feeding temperature of double screw extruder, and plasticizing zone temperature is 190 DEG C, and vacuum degree is
0.082MPa, the temperature of melt delivery area are 165 DEG C, and screw speed squeezes out under conditions of being 25r/min obtains polyvinyl chloride reality
Wall pipe.
Embodiment seven
The preparation 4 of polyvinyl chloride solid wall pipe
The present embodiment compared with example IV, the difference is that, the anti-impact modifier of the present embodiment selects conventional
Nanometer calcium carbonate.
The mechanical property for the polyvinyl chloride solid wall pipe that example IV~embodiment seven is prepared is according to following measurement side
Method is measured, tensile strength, is tested by GB/T8804.2-2003 standard；Elongation at break, by GB/T5836-1996
Standard is tested；Low temperature impact strength is tested by GB/T13525-1992 standard；Room temperature impact strength, by GB/
T13525-1992 standard is tested, and test result is as shown in table 1:
Table 1
It can be seen that polyvinyl chloride solid wall pipe of the invention by upper table, with preferable toughness and shock resistance,
There can be preferable shock resistance at low temperature.
The above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to preferred embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that, it can modify to technical solution of the present invention
Or equivalent replacement should all cover without departing from the objective and range of technical solution of the present invention in claim of the invention
In range.Technology not described in detail in the present invention, shape, construction portion are well-known technique.
Claims (10)
1. underground pipe gallery electric power protection polyvinyl chloride solid wall pipe, which is characterized in that the raw material including following parts by weight:
40-60 parts PVC, 30-40 parts CPVC, 5-10 parts of anti-impact modifiers, 5-10 parts of toughener, 1-3 parts of stabilizers, 0.1-0.6 parts
External lubricant, 0.1-0.6 part in-lubricant, 2-5 parts of coupling agents, the anti-impact modifier are that silica/nitrile rubber is multiple
Close microballoon.
2. underground pipe gallery electric power protection polyvinyl chloride solid wall pipe according to claim 1, which is characterized in that including
The raw material of following parts by weight: 50 parts of PVC, 30 parts of CPVC, 8 parts of anti-impact modifiers, 8 parts of toughener, 2 parts of stabilizers, 0.4 are especially
Lubricant, 0.4 part of in-lubricant, 3 parts of coupling agents.
3. underground pipe gallery electric power protection polyvinyl chloride solid wall pipe according to claim 1, which is characterized in that described
Silica/nitrile rubber complex microsphere is using nano amorphous silica as core, and nitrile rubber is the core-shell structure of shell, described
The shell of nitrile rubber is in cotton shape structure.
4. underground pipe gallery electric power protection polyvinyl chloride solid wall pipe according to claim 3, which is characterized in that described
Silica/nitrile rubber complex microsphere diameter is 200-300nm, and the shell thickness of the core-shell structure is 10-18nm.
5. underground pipe gallery electric power protection polyvinyl chloride solid wall pipe according to claim 4, which is characterized in that described
Toughener is CPE and/or NBR, and the stabilizer is lead salt stabilizer, and external lubricant is higher fatty acids, and in-lubricant is height
Grade fatty alcohol, coupling agent are silane coupling agent.
6. the preparation method of underground pipe gallery electric power protection polyvinyl chloride solid wall pipe according to claim 5, special
Sign is, the preparation method specifically: first after mixing by PVC and CPVC, stabilizer is added, is heated to 100-105 DEG C,
The mixed 15-20min of heat, obtains material A, and then external lubricant, in-lubricant, coupling agent, toughener, anti-impact modifier are added
In ball mill, in nitrogen protection, revolving speed is ball milling 12-14h under conditions of 160-180r/min, obtains material B, by material A and
Material B is placed in batch mixer, is warming up to 40-50 DEG C and is stirred 30min, then is warming up to 90-100 DEG C and is stirred 1h, then rise
Temperature is to 120-130 DEG C, after being stirred 30min, is cooled to room temperature, and stops stirring, mixed material is sent to twin-screw extrusion
Machine squeezes out to obtain polyvinyl chloride solid wall pipe.
7. the preparation method of underground pipe gallery electric power protection polyvinyl chloride solid wall pipe according to claim 6, special
Sign is that the feeding temperature of the double screw extruder is 130-140 DEG C, and plasticizing zone temperature is 180-190 DEG C, and vacuum degree is
0.08-0.085MPa, the temperature of melt delivery area are 160-165 DEG C, screw speed 20-25r/min.
8. the preparation method of underground pipe gallery electric power protection polyvinyl chloride solid wall pipe according to claim 7, special
Sign is, the preparation method of the anti-impact modifier specifically: dodecyl sodium sulfate is dissolved in distilled water, then plus
Enter by pretreated nano amorphous silicon oxide pellets, it is lasting to stir after ultrasonic disperse, and it is warming up to 70-75 DEG C, it is added
Potassium peroxydisulfate, and acrylonitrile-butadiene mixed solution is added dropwise with 2-5 drop/s speed, after being added dropwise to complete, in ultrasonic vibration condition
Under, keep the temperature sustained response 10-12h, obtain reaction lotion, after being cooled to room temperature, centrifugation, washing, it is dry after obtain silica/
Nitrile rubber complex microsphere to get arrive anti-impact modifier.
9. the preparation method of underground pipe gallery electric power protection polyvinyl chloride solid wall pipe according to claim 8, special
Sign is, the ultrasonic vibration be cosine state ultrasonic wave and variable-frequency ultrasonic alternately, and the frequency of the cosine state ultrasonic wave
Rate is 20-25KHz, power 150mW/cm2, the frequency of the variable-frequency ultrasonic is 35-40KHz, power 200mW/cm2。
10. the preparation method of underground pipe gallery electric power protection polyvinyl chloride solid wall pipe according to claim 8, special
Sign is, the pretreatment specifically: nano amorphous silicon oxide pellets are placed in DMF solution, ultrasonic disperse, then by N-
Phenyl-Isosorbide-5-Nitrae-phenylenediamine is dissolved in DMF, is added in nano amorphous silicon dioxde solution, is added silane coupling agent, holds
Continuous stirring, oil bath heating is to 120 DEG C, after heat preservation reflux 40-48h, cooled to room temperature, and filtering, after being washed with dehydrated alcohol,
It is dried in vacuo under the conditions of 60 DEG C, it is spare.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115926302A (en) * | 2022-12-23 | 2023-04-07 | 宣城市聚源精细化工有限公司 | Preparation method of toughening agent for polyvinyl chloride |
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| GB1272877A (en) * | 1969-11-07 | 1972-05-03 | Montedison Spa | Thermoplastics polymeric compositions containing highly crystalline polymers of vinyl chloride |
| CN104861352A (en) * | 2014-12-30 | 2015-08-26 | 殷培花 | Impact modified polyvinyl chloride cable material |
| CN109370110A (en) * | 2018-10-25 | 2019-02-22 | 福建亚通新材料科技股份有限公司 | A kind of modified form underground pipe gallery power pipe |
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2019
- 2019-05-13 CN CN201910392882.3A patent/CN110172216B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1272877A (en) * | 1969-11-07 | 1972-05-03 | Montedison Spa | Thermoplastics polymeric compositions containing highly crystalline polymers of vinyl chloride |
| CN104861352A (en) * | 2014-12-30 | 2015-08-26 | 殷培花 | Impact modified polyvinyl chloride cable material |
| CN109370110A (en) * | 2018-10-25 | 2019-02-22 | 福建亚通新材料科技股份有限公司 | A kind of modified form underground pipe gallery power pipe |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115926302A (en) * | 2022-12-23 | 2023-04-07 | 宣城市聚源精细化工有限公司 | Preparation method of toughening agent for polyvinyl chloride |
| CN115926302B (en) * | 2022-12-23 | 2024-06-11 | 宣城市聚源精细化工有限公司 | Preparation method of toughening agent for polyvinyl chloride |
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