CN109181057A - A kind of preparation method of impact resistance plastic flexible pipe - Google Patents

A kind of preparation method of impact resistance plastic flexible pipe Download PDF

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CN109181057A
CN109181057A CN201810864811.4A CN201810864811A CN109181057A CN 109181057 A CN109181057 A CN 109181057A CN 201810864811 A CN201810864811 A CN 201810864811A CN 109181057 A CN109181057 A CN 109181057A
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parts
temperature
mixture
flexible pipe
plastic flexible
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张新华
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Suzhou Wan Ya Hose Plastic Industry Co Ltd
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Suzhou Wan Ya Hose Plastic Industry Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • 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
    • C08L2203/00—Applications
    • C08L2203/18—Applications used for pipes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16—Fibres; Fibrils

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  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
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  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a kind of preparation methods of impact resistance plastic flexible pipe, this method is by polyethylene, fatty acid polyethylene glycol ester, diethylene glycol dibenzoate carries out Hybrid Heating and stirs to get thermal response mixture, it will be ground after zeolite powder with calcium carbonate wet-process, it filters, it is dry, crushing obtains mill-drying mixture, by hydrocarbyl succinimide acid, 3- glycidyl ether oxypropyltriethoxysilane, lauroyl diethanolamine is ultrasonically treated to obtain ultrasonic treatment mixture, by carbon nanotube, cotton fibriia and plasticiser, antioxidant reacts to obtain high-temperature stirring reaction material through vacuum high-temperature, mixing after aforementioned each product is mixed again, then by mixing mixture through extruder melt blending extruding pelletization, dry particle material after drying is injection moulded through injection molding machine, finished product impact resistance plastic flexible pipe is obtained after standing.The impact resistance plastic flexible pipe being prepared, excellent shock resistance have a good application prospect in the water conveyance irrigation of farmland.

Description

A kind of preparation method of impact resistance plastic flexible pipe
Technical field
The present invention relates to plastic flexible pipe manufacturing technology fields, and in particular to a kind of preparation side of impact resistance plastic flexible pipe Method.
Background technique
In daily agricultural production, the hose for often using various length carries out water delivery, the work such as draining, hose with firmly Matter water pipe compares, and light weight and cost is low, convenient for storage and carries.Currently, the universal product of Plastics in China hose accounts for According to the leading position in market, the market application field of plastic flexible pipe is mainly used for hydraulic engineering, aluminum plastic composite pipe and poly- second The market dosage of alkene crosslinking pipe is also rapidly increasing.But in general with regard to market, the market application in other fields is still in Primary stage, and requirement is high, the high product of added value content is less.In farmland water supply engineering irrigation, plastic flexible pipe is past Toward the impact for needing to bear external force, this just has higher requirement to the impact strength of plastic flexible pipe, how to enhance modeling The impact strength of material hose is the hot spot of current agricultural field of plastic products research.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of preparation method of impact resistance plastic flexible pipe, this method is Polyethylene, fatty acid polyethylene glycol ester, diethylene glycol dibenzoate are subjected to Hybrid Heating and stir to get thermal response mixture, it will Mill-drying mixture is obtained with calcium carbonate wet-process grinding, suction filtration, dry, crushing after zeolite powder, hydrocarbyl succinimide acid, 3- are contracted Water glyceryl ether oxypropyl triethoxysilane, lauroyl diethanolamine are ultrasonically treated to obtain ultrasonic treatment mixture, and carbon is received Mitron, cotton fibriia react to obtain high-temperature stirring reaction material through vacuum high-temperature, then aforementioned each product are mixed with plasticiser, antioxidant Mixing after conjunction, then by mixing mixture through extruder melt blending extruding pelletization, by the dry particle material after drying through being molded Machine is injection moulded, and obtains finished product impact resistance plastic flexible pipe after standing.The impact resistance plastic flexible pipe being prepared, shock resistance It has excellent performance, has a good application prospect in the water conveyance irrigation of farmland.
Technical solution: to solve the above-mentioned problems, the invention discloses a kind of preparation method of impact resistance plastic flexible pipe, It comprises the steps of:
(1) by 80~90 parts of polyethylene, 60~70 parts of fatty acid polyethylene glycol ester, 35~45 parts of diethylene glycol dibenzoate It puts into blender, the internal temperature of blender is heated to 75~85 DEG C, at this temperature according to 100~120 revs/min The stirring rate of clock stirs 30~40 minutes, obtains thermal response mixture；
(2) 180~200 meshes are crossed after crushed by 6~10 parts of zeolite and obtain zeolite powder, by obtained zeolite powder and carbonic acid 3~5 parts of calcium are put into ball mill jointly, then the deionized water of 10 times of parts by weight of addition is laggard into the mixed material of ball mill Row grinding, is dried under vacuum to constant weight at 80 DEG C after then being filtered abrasive material, desciccate is crushed and crosses 250 mesh Sieve, obtains mill-drying mixture；
(3) by 15~25 parts of hydrocarbyl succinimide acid, 8~10 parts of 3- glycidyl ether oxypropyltriethoxysilane, laurel 6~8 parts of acyl diethanol amine are put into ultrasonic oscillation device, ultrasonic at 70~80 DEG C according to the ultrasonic power of 200~250W Concussion 15~25 minutes obtains ultrasonic treatment mixture；
(4) 5~9 parts of carbon nanotube, 4~6 parts of cotton fibriia are put into vacuum reaction kettle, is evacuated in reaction kettle Portion's pressure is 0.01~0.02MPa, reaction kettle internal temperature is increased to 180~220 DEG C, in 180~200 revs/min of speed Insulated and stirred is reacted 20~30 minutes under rate, then reaction kettle internal temperature is down to 150~160 DEG C, be added 2~4 parts of plasticiser, 2~4 parts of antioxidant, insulated and stirred is reacted 45~55 minutes under 280~300 revs/min of rate, obtains high-temperature stirring reaction Material；
(5) thermal response mixture, the mill-drying mixture, ultrasonic treatment mixing obtained step (1) to step (4) Material and high-temperature stirring reaction material be implanted sequentially in mixing furnace, under 130~150 DEG C of reaction temperature according to 900~1000 turns/ The mixing speed of minute carries out high-temperature stirring reaction, and the reaction time is 80~120 minutes, obtains mixing mixture；
(6) the mixing mixture for obtaining step (5) is through extruder melt blending extruding pelletization, by the composite plastic of extrusion Particle is placed in drying 6~8 hours in baking oven, obtains dry particle material；
(7) the dry particle material that step (6) obtains is injection moulded through injection molding machine, obtains finished product after standing 18~22 hours Impact resistance plastic flexible pipe.
Further, after the deionized water of 10 times of parts by weight is added in the step (2) into the mixed material of ball mill, The internal temperature of ball mill is heated to 60~70 DEG C, grinds 25 according to 550~650 revs/min of rate at this temperature ~35 minutes.
Further, the plasticiser in the step (4) is selected from diphenyl phosphite, tributyl citrate, O-phthalic Any one in dimethyl phthalate.
Further, the antioxidant in the step (4) is selected from 2,6- di-tert-butyl-4-methy phenol, N, N '-diphenyl Any one in p-phenylenediamine, β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecyl alcohol ester.
Further, each section of extrusion temperature of twin-screw is 180~205 DEG C of an area, two areas 190~220 in the step (6) DEG C, three 200~230 DEG C of areas, four 210~235 DEG C of areas, 205~215 DEG C of head.
Further, in the step (7) injection molding machine running parameter are as follows: 180~200 DEG C of feeding section temperature, plasticizing is cut 210~220 DEG C of dissection temperature, 215~225 DEG C of head temperature, 60~70MPa of operating pressure, 50~60 meter per second of injection speed, Injection time 0.3~0.4 second.
Compared with prior art, the present invention has the advantages that:
(1) preparation method of impact resistance plastic flexible pipe of the invention is by polyethylene, fatty acid polyethylene glycol ester, two sweet Alcohol dibenzoate carries out Hybrid Heating and stirs to get thermal response mixture, will grind, takes out with calcium carbonate wet-process after zeolite powder Filter, it is dry, crush and obtain mill-drying mixture, by hydrocarbyl succinimide acid, 3- glycidyl ether oxypropyltriethoxysilane, Lauroyl diethanolamine is ultrasonically treated to obtain ultrasonic treatment mixture, and carbon nanotube, cotton fibriia and plasticiser, antioxidant are passed through Vacuum high-temperature reacts to obtain high-temperature stirring reaction material, then by mixing after aforementioned each product mixing, then by mixing mixture through squeezing Dry particle material after drying is injection moulded through injection molding machine, finished product anti-impact is obtained after standing by machine melt blending extruding pelletization out Hitting property plastic flexible pipe.The impact resistance plastic flexible pipe being prepared, excellent shock resistance have in the water conveyance irrigation of farmland Good application prospect.
(2) present invention employs diethylene glycol dibenzoate, 3- glycidyl ether oxypropyltriethoxysilane, carbon to receive The raw materials such as mitron participate in preparation impact resistance plastic flexible pipe, have carried out effective performance boost to impact resistance plastic flexible pipe, though These right materials are not applied in impact resistance plastic flexible pipe for the first time, but according to a certain ratio amount with after other material combinations, It is aided with corresponding modification mode, is brought in service performance substantially to the impact resistance plastic flexible pipe being finally prepared Degree improves, this is never to report in previous research, for realizing that it is conclusive that technical effect of the invention plays Effect.
Specific embodiment
Embodiment 1
(1) 80 parts of polyethylene, 60 parts of fatty acid polyethylene glycol ester, 35 parts of diethylene glycol dibenzoate are put into blender In, the internal temperature of blender is heated to 75 DEG C, stirs 30 points according to 100 revs/min of stirring rate at this temperature Clock obtains thermal response mixture；
(2) 180 meshes are crossed after crushed by 6 parts of zeolite obtain zeolite powder, obtained zeolite powder and 3 parts of calcium carbonate is common It puts into ball mill, then the deionized water of 10 times of parts by weight is added into the mixed material of ball mill, by the inside of ball mill Temperature is heated to 60 DEG C, grinds 25 minutes according to 550 revs/min of rate, then takes out abrasive material at this temperature It is dried under vacuum to constant weight at 80 DEG C after filter, desciccate is crushed to and crossed 250 meshes, obtains mill-drying mixture；
(3) by hydrocarbyl succinimide sour 15 parts, 8 parts of 3- glycidyl ether oxypropyltriethoxysilane, lauroyl diethanol 6 parts of amine are put into ultrasonic oscillation device, according to the ultrasonic power of 200W at 70 DEG C ultrasonic vibration 15 minutes, obtain ultrasonic place Manage mixture；
(4) 5 parts of carbon nanotube, 4 parts of cotton fibriia are put into vacuum reaction kettle, is evacuated to reaction kettle internal pressure For 0.01MPa, reaction kettle internal temperature is increased to 180 DEG C, insulated and stirred is reacted 20 minutes under 180 revs/min of rate, Reaction kettle internal temperature is down to 150 DEG C again, 2 parts of diphenyl phosphite, 2 parts of 2,6- di-tert-butyl-4-methy phenol is added, Insulated and stirred is reacted 45 minutes under 280 revs/min of rate, obtains high-temperature stirring reaction material；
(5) thermal response mixture, the mill-drying mixture, ultrasonic treatment mixing obtained step (1) to step (4) Material and high-temperature stirring reaction material are implanted sequentially in mixing furnace, fast according to 900 revs/min of stirring under 130 DEG C of reaction temperature Degree carries out high-temperature stirring reaction, and the reaction time is 80 minutes, obtains mixing mixture；
(6) the mixing mixture for obtaining step (5) is through extruder melt blending extruding pelletization, each section of extrusion temperature of twin-screw 180 DEG C of mono- area Du Wei, two 190 DEG C of areas, three 200 DEG C of areas, four 210 DEG C of areas, the composite plastic particle of extrusion are set by 205 DEG C of head It is 6 hours dry in baking oven, obtain dry particle material；
(7) the dry particle material that step (6) obtains is injection moulded through injection molding machine, the running parameter of injection molding machine are as follows: feeding 180 DEG C of Duan Wendu, 210 DEG C of cut section temperature of plasticizing, 215 DEG C of head temperature, operating pressure 60MPa, 50 meter per second of injection speed, Injection time 0.3 second, finished product impact resistance plastic flexible pipe was obtained after standing 18 hours after injection molding.
Embodiment 2
(1) 85 parts of polyethylene, 65 parts of fatty acid polyethylene glycol ester, 40 parts of diethylene glycol dibenzoate are put into blender In, the internal temperature of blender is heated to 80 DEG C, stirs 35 points according to 110 revs/min of stirring rate at this temperature Clock obtains thermal response mixture；
(2) 190 meshes are crossed after crushed by 8 parts of zeolite obtain zeolite powder, obtained zeolite powder and 4 parts of calcium carbonate is common It puts into ball mill, then the deionized water of 10 times of parts by weight is added into the mixed material of ball mill, by the inside of ball mill Temperature is heated to 65 DEG C, grinds 30 minutes according to 600 revs/min of rate, then takes out abrasive material at this temperature It is dried under vacuum to constant weight at 80 DEG C after filter, desciccate is crushed to and crossed 250 meshes, obtains mill-drying mixture；
(3) by hydrocarbyl succinimide sour 20 parts, 9 parts of 3- glycidyl ether oxypropyltriethoxysilane, lauroyl diethanol 7 parts of amine are put into ultrasonic oscillation device, according to the ultrasonic power of 225W at 75 DEG C ultrasonic vibration 20 minutes, obtain ultrasonic place Manage mixture；
(4) 7 parts of carbon nanotube, 5 parts of cotton fibriia are put into vacuum reaction kettle, is evacuated to reaction kettle internal pressure For 0.015MPa, reaction kettle internal temperature is increased to 200 DEG C, insulated and stirred reacts 25 points under 190 revs/min of rate Clock, then reaction kettle internal temperature is down to 155 DEG C, is added 3 parts of tributyl citrate, N, and 3 parts of N '-diphenyl-para-phenylene diamine, Insulated and stirred is reacted 50 minutes under 290 revs/min of rate, obtains high-temperature stirring reaction material；
(5) thermal response mixture, the mill-drying mixture, ultrasonic treatment mixing obtained step (1) to step (4) Material and high-temperature stirring reaction material are implanted sequentially in mixing furnace, fast according to 950 revs/min of stirring under 140 DEG C of reaction temperature Degree carries out high-temperature stirring reaction, and the reaction time is 100 minutes, obtains mixing mixture；
(6) the mixing mixture for obtaining step (5) is through extruder melt blending extruding pelletization, each section of extrusion temperature of twin-screw 190 DEG C of mono- area Du Wei, two 205 DEG C of areas, three 215 DEG C of areas, four 223 DEG C of areas, the composite plastic particle of extrusion are set by 210 DEG C of head It is 7 hours dry in baking oven, obtain dry particle material；
(7) the dry particle material that step (6) obtains is injection moulded through injection molding machine, the running parameter of injection molding machine are as follows: feeding 190 DEG C of Duan Wendu, 215 DEG C of cut section temperature of plasticizing, 220 DEG C of head temperature, operating pressure 65MPa, 55 meter per second of injection speed, Injection time 0.3 second, finished product impact resistance plastic flexible pipe was obtained after standing 20 hours after injection molding.
Embodiment 3
(1) 90 parts of polyethylene, 70 parts of fatty acid polyethylene glycol ester, 45 parts of diethylene glycol dibenzoate are put into blender In, the internal temperature of blender is heated to 85 DEG C, stirs 40 points according to 120 revs/min of stirring rate at this temperature Clock obtains thermal response mixture；
(2) 200 meshes are crossed after crushed by 10 parts of zeolite and obtain zeolite powder, altogether with 5 parts of calcium carbonate by obtained zeolite powder It puts into ball mill together, then the deionized water of 10 times of parts by weight is added into the mixed material of ball mill, it will be in ball mill Portion's temperature is heated to 70 DEG C, grinds 35 minutes according to 650 revs/min of rate, then carries out abrasive material at this temperature It is dried under vacuum to constant weight at 80 DEG C after suction filtration, desciccate is crushed to and crossed 250 meshes, obtains mill-drying mixture；
(3) by hydrocarbyl succinimide sour 25 parts, 10 parts of 3- glycidyl ether oxypropyltriethoxysilane, lauroyl diethanol 8 parts of amine are put into ultrasonic oscillation device, according to the ultrasonic power of 250W at 80 DEG C ultrasonic vibration 25 minutes, obtain ultrasonic place Manage mixture；
(4) 9 parts of carbon nanotube, 6 parts of cotton fibriia are put into vacuum reaction kettle, is evacuated to reaction kettle internal pressure For 0.02MPa, reaction kettle internal temperature is increased to 220 DEG C, insulated and stirred is reacted 30 minutes under 200 revs/min of rate, Reaction kettle internal temperature is down to 160 DEG C again, 4 parts of repefral, β-(3,5- di-t-butyl -4- hydroxy benzenes is added Base) 4 parts of propionic acid n-octadecyl alcohol ester, insulated and stirred is reacted 55 minutes under 300 revs/min of rate, and it is anti-to obtain high-temperature stirring It should expect；
(5) thermal response mixture, the mill-drying mixture, ultrasonic treatment mixing obtained step (1) to step (4) Material and high-temperature stirring reaction material are implanted sequentially in mixing furnace, according to 1000 revs/min of stirring under 150 DEG C of reaction temperature Speed carries out high-temperature stirring reaction, and the reaction time is 120 minutes, obtains mixing mixture；
(6) the mixing mixture for obtaining step (5) is through extruder melt blending extruding pelletization, each section of extrusion temperature of twin-screw 205 DEG C of mono- area Du Wei, two 220 DEG C of areas, three 230 DEG C of areas, four 235 DEG C of areas, the composite plastic particle of extrusion are set by 215 DEG C of head It is 8 hours dry in baking oven, obtain dry particle material；
(7) the dry particle material that step (6) obtains is injection moulded through injection molding machine, the running parameter of injection molding machine are as follows: feeding 200 DEG C of Duan Wendu, 220 DEG C of cut section temperature of plasticizing, 225 DEG C of head temperature, operating pressure 70MPa, 60 meter per second of injection speed, Injection time 0.4 second, finished product impact resistance plastic flexible pipe was obtained after standing 22 hours after injection molding.
Comparative example 1
(1) 85 parts of polyethylene, 65 parts of fatty acid polyethylene glycol ester are put into blender, by the internal temperature of blender 80 DEG C are heated to, is stirred 35 minutes according to 110 revs/min of stirring rate at this temperature, obtains thermal response mixture；
(2) 190 meshes are crossed after crushed by 8 parts of zeolite obtain zeolite powder, obtained zeolite powder and 4 parts of calcium carbonate is common It puts into ball mill, then the deionized water of 10 times of parts by weight is added into the mixed material of ball mill, by the inside of ball mill Temperature is heated to 65 DEG C, grinds 30 minutes according to 600 revs/min of rate, then takes out abrasive material at this temperature It is dried under vacuum to constant weight at 80 DEG C after filter, desciccate is crushed to and crossed 250 meshes, obtains mill-drying mixture；
(3) by hydrocarbyl succinimide sour 20 parts, 9 parts of 3- glycidyl ether oxypropyltriethoxysilane, lauroyl diethanol 7 parts of amine are put into ultrasonic oscillation device, according to the ultrasonic power of 225W at 75 DEG C ultrasonic vibration 20 minutes, obtain ultrasonic place Manage mixture；
(4) 7 parts of carbon nanotube, 5 parts of cotton fibriia are put into vacuum reaction kettle, is evacuated to reaction kettle internal pressure For 0.015MPa, reaction kettle internal temperature is increased to 200 DEG C, insulated and stirred reacts 25 points under 190 revs/min of rate Clock, then reaction kettle internal temperature is down to 155 DEG C, is added 3 parts of tributyl citrate, N, and 3 parts of N '-diphenyl-para-phenylene diamine, Insulated and stirred is reacted 50 minutes under 290 revs/min of rate, obtains high-temperature stirring reaction material；
(5) thermal response mixture, the mill-drying mixture, ultrasonic treatment mixing obtained step (1) to step (4) Material and high-temperature stirring reaction material are implanted sequentially in mixing furnace, fast according to 950 revs/min of stirring under 140 DEG C of reaction temperature Degree carries out high-temperature stirring reaction, and the reaction time is 100 minutes, obtains mixing mixture；
(6) the mixing mixture for obtaining step (5) is through extruder melt blending extruding pelletization, each section of extrusion temperature of twin-screw 190 DEG C of mono- area Du Wei, two 205 DEG C of areas, three 215 DEG C of areas, four 223 DEG C of areas, the composite plastic particle of extrusion are set by 210 DEG C of head It is 7 hours dry in baking oven, obtain dry particle material；
(7) the dry particle material that step (6) obtains is injection moulded through injection molding machine, the running parameter of injection molding machine are as follows: feeding 190 DEG C of Duan Wendu, 215 DEG C of cut section temperature of plasticizing, 220 DEG C of head temperature, operating pressure 65MPa, 55 meter per second of injection speed, Injection time 0.3 second, finished product impact resistance plastic flexible pipe was obtained after standing 20 hours after injection molding.
Comparative example 2
(1) 85 parts of polyethylene, 65 parts of fatty acid polyethylene glycol ester, 40 parts of diethylene glycol dibenzoate are put into blender In, the internal temperature of blender is heated to 80 DEG C, stirs 35 points according to 110 revs/min of stirring rate at this temperature Clock obtains thermal response mixture；
(2) 190 meshes are crossed after crushed by 8 parts of zeolite obtain zeolite powder, obtained zeolite powder and 4 parts of calcium carbonate is common It puts into ball mill, then the deionized water of 10 times of parts by weight is added into the mixed material of ball mill, by the inside of ball mill Temperature is heated to 65 DEG C, grinds 30 minutes according to 600 revs/min of rate, then takes out abrasive material at this temperature It is dried under vacuum to constant weight at 80 DEG C after filter, desciccate is crushed to and crossed 250 meshes, obtains mill-drying mixture；
(3) sour 20 parts, 7 parts of lauroyl diethanolamine of hydrocarbyl succinimide are put into ultrasonic oscillation device, according to 225W's Ultrasonic power ultrasonic vibration 20 minutes at 75 DEG C obtain ultrasonic treatment mixture；
(4) 7 parts of carbon nanotube, 5 parts of cotton fibriia are put into vacuum reaction kettle, is evacuated to reaction kettle internal pressure For 0.015MPa, reaction kettle internal temperature is increased to 200 DEG C, insulated and stirred reacts 25 points under 190 revs/min of rate Clock, then reaction kettle internal temperature is down to 155 DEG C, is added 3 parts of tributyl citrate, N, and 3 parts of N '-diphenyl-para-phenylene diamine, Insulated and stirred is reacted 50 minutes under 290 revs/min of rate, obtains high-temperature stirring reaction material；
(5) thermal response mixture, the mill-drying mixture, ultrasonic treatment mixing obtained step (1) to step (4) Material and high-temperature stirring reaction material are implanted sequentially in mixing furnace, fast according to 950 revs/min of stirring under 140 DEG C of reaction temperature Degree carries out high-temperature stirring reaction, and the reaction time is 100 minutes, obtains mixing mixture；
(6) the mixing mixture for obtaining step (5) is through extruder melt blending extruding pelletization, each section of extrusion temperature of twin-screw 190 DEG C of mono- area Du Wei, two 205 DEG C of areas, three 215 DEG C of areas, four 223 DEG C of areas, the composite plastic particle of extrusion are set by 210 DEG C of head It is 7 hours dry in baking oven, obtain dry particle material；
(7) the dry particle material that step (6) obtains is injection moulded through injection molding machine, the running parameter of injection molding machine are as follows: feeding 190 DEG C of Duan Wendu, 215 DEG C of cut section temperature of plasticizing, 220 DEG C of head temperature, operating pressure 65MPa, 55 meter per second of injection speed, Injection time 0.3 second, finished product impact resistance plastic flexible pipe was obtained after standing 20 hours after injection molding.
Comparative example 3
(1) 85 parts of polyethylene, 65 parts of fatty acid polyethylene glycol ester, 40 parts of diethylene glycol dibenzoate are put into blender In, the internal temperature of blender is heated to 80 DEG C, stirs 35 points according to 110 revs/min of stirring rate at this temperature Clock obtains thermal response mixture；
(2) 190 meshes are crossed after crushed by 8 parts of zeolite obtain zeolite powder, obtained zeolite powder and 4 parts of calcium carbonate is common It puts into ball mill, then the deionized water of 10 times of parts by weight is added into the mixed material of ball mill, by the inside of ball mill Temperature is heated to 65 DEG C, grinds 30 minutes according to 600 revs/min of rate, then takes out abrasive material at this temperature It is dried under vacuum to constant weight at 80 DEG C after filter, desciccate is crushed to and crossed 250 meshes, obtains mill-drying mixture；
(3) by hydrocarbyl succinimide sour 20 parts, 9 parts of 3- glycidyl ether oxypropyltriethoxysilane, lauroyl diethanol 7 parts of amine are put into ultrasonic oscillation device, according to the ultrasonic power of 225W at 75 DEG C ultrasonic vibration 20 minutes, obtain ultrasonic place Manage mixture；
(4) 7 parts of carbon black, 5 parts of cotton fibriia are put into vacuum reaction kettle, being evacuated to reaction kettle internal pressure is Reaction kettle internal temperature is increased to 200 DEG C by 0.015MPa, and insulated and stirred is reacted 25 minutes under 190 revs/min of rate, Reaction kettle internal temperature is down to 155 DEG C again, is added 3 parts of tributyl citrate, N, 3 parts of N '-diphenyl-para-phenylene diamine, 290 Rev/min rate under insulated and stirred react 50 minutes, obtain high-temperature stirring reaction material；
(5) thermal response mixture, the mill-drying mixture, ultrasonic treatment mixing obtained step (1) to step (4) Material and high-temperature stirring reaction material are implanted sequentially in mixing furnace, fast according to 950 revs/min of stirring under 140 DEG C of reaction temperature Degree carries out high-temperature stirring reaction, and the reaction time is 100 minutes, obtains mixing mixture；
(6) the mixing mixture for obtaining step (5) is through extruder melt blending extruding pelletization, each section of extrusion temperature of twin-screw 190 DEG C of mono- area Du Wei, two 205 DEG C of areas, three 215 DEG C of areas, four 223 DEG C of areas, the composite plastic particle of extrusion are set by 210 DEG C of head It is 7 hours dry in baking oven, obtain dry particle material；
(7) the dry particle material that step (6) obtains is injection moulded through injection molding machine, the running parameter of injection molding machine are as follows: feeding 190 DEG C of Duan Wendu, 215 DEG C of cut section temperature of plasticizing, 220 DEG C of head temperature, operating pressure 65MPa, 55 meter per second of injection speed, Injection time 0.3 second, finished product impact resistance plastic flexible pipe was obtained after standing 20 hours after injection molding.
By the impact resistance plastic flexible pipe obtained of embodiment 1-3 and comparative example 1-3 respectively according to GB/T 1043.1- 2008 test method measures its simple beam impact strength, and test result is as shown in table 1.
Table 1
The preparation method of impact resistance plastic flexible pipe of the invention is by polyethylene, fatty acid polyethylene glycol ester, diethylene glycol (DEG) Dibenzoate carries out Hybrid Heating and stirs to get thermal response mixture, will grind, filter with calcium carbonate wet-process after zeolite powder, Dry, crushing obtains mill-drying mixture, by hydrocarbyl succinimide acid, 3- glycidyl ether oxypropyltriethoxysilane, the moon Osmanthus acyl diethanol amine is ultrasonically treated to obtain ultrasonic treatment mixture, by carbon nanotube, cotton fibriia and plasticiser, antioxidant through true Empty pyroreaction obtains high-temperature stirring reaction material, then by mixing after aforementioned each product mixing, then by mixing mixture through squeezing out Dry particle material after drying is injection moulded through injection molding machine, finished product shock resistance is obtained after standing by machine melt blending extruding pelletization Property plastic flexible pipe.The impact resistance plastic flexible pipe being prepared, excellent shock resistance have good in the water conveyance irrigation of farmland Good application prospect.Also, present invention employs diethylene glycol dibenzoates, 3- glycydoxy triethoxysilicane The raw materials such as alkane, carbon nanotube participate in preparation impact resistance plastic flexible pipe, have carried out effective performance to impact resistance plastic flexible pipe It is promoted, although these materials are not applied in impact resistance plastic flexible pipe for the first time, is measured and other raw materials according to a certain ratio After combination, it is aided with corresponding modification mode, brings service performance to the impact resistance plastic flexible pipe being finally prepared On increase substantially, this is never to report in previous research, for realizing that technical effect of the invention plays Conclusive effect.

Claims (6)

1. a kind of preparation method of impact resistance plastic flexible pipe, which is characterized in that comprise the steps of:
(1) by 80~90 parts of polyethylene, 60~70 parts of fatty acid polyethylene glycol ester, 35~45 parts of diethylene glycol dibenzoate investments Into blender, the internal temperature of blender is heated to 75~85 DEG C, at this temperature according to 100~120 revs/min Stirring rate stirs 30~40 minutes, obtains thermal response mixture；
(2) 180~200 meshes are crossed after crushed by 6~10 parts of zeolite and obtain zeolite powder, by obtained zeolite powder and calcium carbonate 3 ~5 parts are put into ball mill jointly, then are carried out after the deionized water of 10 times of parts by weight is added into the mixed material of ball mill Grinding, is dried under vacuum to constant weight at 80 DEG C after then being filtered abrasive material, desciccate is crushed to and crossed 250 meshes, Obtain mill-drying mixture；
(3) by 15~25 parts of hydrocarbyl succinimide acid, 8~10 parts of 3- glycidyl ether oxypropyltriethoxysilane, lauroyl two 6~8 parts of ethanol amine are put into ultrasonic oscillation device, according to the ultrasonic power of 200~250W at 70~80 DEG C ultrasonic vibration 15~25 minutes, obtain ultrasonic treatment mixture；
(4) 5~9 parts of carbon nanotube, 4~6 parts of cotton fibriia are put into vacuum reaction kettle, is evacuated to pressure inside reaction kettle It is by force 0.01~0.02MPa, reaction kettle internal temperature is increased to 180~220 DEG C, under 180~200 revs/min of rate Insulated and stirred is reacted 20~30 minutes, then reaction kettle internal temperature is down to 150~160 DEG C, and 2~4 parts of plasticiser, antioxygen is added 2~4 parts of agent, insulated and stirred is reacted 45~55 minutes under 280~300 revs/min of rate, obtains high-temperature stirring reaction material；
(5) the thermal response mixture that obtains step (1) to step (4), mill-drying mixture, ultrasonic treatment mixture and High-temperature stirring reaction material is implanted sequentially in mixing furnace, according to 900~1000 revs/min under 130~150 DEG C of reaction temperature Mixing speed carries out high-temperature stirring reaction, and the reaction time is 80~120 minutes, obtains mixing mixture；
(6) the mixing mixture for obtaining step (5) is through extruder melt blending extruding pelletization, by the composite plastic particle of extrusion Drying 6~8 hours in baking oven are placed in, dry particle material is obtained；
(7) the dry particle material that step (6) obtains is injection moulded through injection molding machine, obtains finished product anti-impact after standing 18~22 hours Hitting property plastic flexible pipe.
2. the preparation method of impact resistance plastic flexible pipe according to claim 1, which is characterized in that in the step (2) After the deionized water of 10 times of parts by weight is added into the mixed material of ball mill, the internal temperature of ball mill is heated to 60~70 DEG C, it is ground 25~35 minutes according to 550~650 revs/min of rate at this temperature.
3. the preparation method of impact resistance plastic flexible pipe according to claim 1, which is characterized in that in the step (4) Any one in diphenyl phosphite, tributyl citrate, repefral of plasticiser.
4. the preparation method of impact resistance plastic flexible pipe according to claim 1, which is characterized in that in the step (4) Antioxidant be selected from 2,6 di tert butyl 4 methyl phenol, N, N '-diphenyl-para-phenylene diamine, β-(3,5- di-t-butyl -4- hydroxyl Base phenyl) any one in propionic acid n-octadecyl alcohol ester.
5. the preparation method of impact resistance plastic flexible pipe according to claim 1, which is characterized in that in the step (6) Each section of extrusion temperature of twin-screw is 180~205 DEG C of an area, two 190~220 DEG C of areas, three 200~230 DEG C of areas, four areas 210~235 DEG C, 205~215 DEG C of head.
6. the preparation method of impact resistance plastic flexible pipe according to claim 1, which is characterized in that in the step (7) The running parameter of injection molding machine are as follows: 180~200 DEG C of feeding section temperature is plasticized 210~220 DEG C of cut section temperature, head temperature 215 ~225 DEG C, 60~70MPa of operating pressure, 50~60 meter per second of injection speed, injection time 0.3~0.4 second.
CN201810864811.4A 2018-08-01 2018-08-01 A kind of preparation method of impact resistance plastic flexible pipe Withdrawn CN109181057A (en)

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CN106432869A (en) * 2016-09-22 2017-02-22 苏州佰思科节能环保科技有限公司 Environment-friendly flame-retardant PE material and preparation method thereof
CN108034109A (en) * 2017-12-12 2018-05-15 吴江市强塑阀门管件厂 A kind of preparation method and applications of impact resistance plastics valve material

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Publication number Priority date Publication date Assignee Title
CN106432869A (en) * 2016-09-22 2017-02-22 苏州佰思科节能环保科技有限公司 Environment-friendly flame-retardant PE material and preparation method thereof
CN108034109A (en) * 2017-12-12 2018-05-15 吴江市强塑阀门管件厂 A kind of preparation method and applications of impact resistance plastics valve material

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