CN109181149A - A kind of preparation method of composite plastic hose - Google Patents

A kind of preparation method of composite plastic hose Download PDF

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Publication number
CN109181149A
CN109181149A CN201810864795.9A CN201810864795A CN109181149A CN 109181149 A CN109181149 A CN 109181149A CN 201810864795 A CN201810864795 A CN 201810864795A CN 109181149 A CN109181149 A CN 109181149A
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parts
temperature
mixture
composite plastic
plastic hose
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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
    • 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
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/32—Phosphorus-containing compounds
    • C08K2003/321—Phosphates
    • C08K2003/325—Calcium, strontium or barium phosphate
    • 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 & 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)

Abstract

The invention discloses a kind of preparation methods of composite plastic hose, this method is by polyvinyl chloride, n-BMA, toluene di-isocyanate(TDI) carries out Hybrid Heating and stirs to get thermal response mixture, it will be ground after hydroxy-apatite powder made of stones with calcium carbonate wet-process, it filters, it is dry, crushing obtains mill-drying mixture, by dibenzoyl peroxide, fatty acid methyl ester sulfonate, beta-hydroxy alkylamide is ultrasonically treated to obtain ultrasonic treatment mixture, by carbon nanotube, polyacrylonitrile fibre 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 composite plastic hose is obtained after standing.The composite plastic hose being prepared, high temperature resistance is excellent, has a good application prospect in the water conveyance irrigation of farmland.

Description

A kind of preparation method of composite plastic hose
Technical field
The present invention relates to plastic flexible pipe manufacturing technology fields, and in particular to a kind of preparation method of composite plastic hose.
Background technique
Plastic pipe has that light weight, intensity are high, manufacturing method is simple, economic cost is cheap, processing is easy to use, corrosion resistant Erosion, the advantages that service life is long, gradually replace the tubing such as metal, cement, become urban construction, Rural Water net laying is set, electrical communications etc. The main of field applies tubing.Polyvinyl chloride (PVC) plastic pipe is in numerous plastic pipes using especially extensive a kind of heavy Want high molecular material.Pvc tube material have good flame retardation effect, resistance to acid and alkali is strong, structural strength is high, electrical insulating property is good Etc. outstanding physicochemical property.But since polyvinyl chloride resin material itself belongs to a kind of polarity difficulty crystalline high polymer, the degree of branching is smaller, phase Low to density, 1.4 or so, between 77 DEG C~90 DEG C, and when being heated to 170 DEG C or so, PVC material is glass transition temperature Start to decompose.Therefore existing PVC plastic pipe high temperature resistant and the insufficient mechanical processing difficulty of poor performance at low temperatures, elasticity are big, it is necessary to Pvc tube material is accordingly modified, to improve its service performance.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of preparation method of composite plastic hose, this method is will to gather Vinyl chloride, n-BMA, toluene di-isocyanate(TDI) carry out Hybrid Heating and stir to get thermal response mixture, by hydroxyl Mill-drying mixture is obtained with calcium carbonate wet-process grinding, suction filtration, dry, crushing after apatite powder, by diphenyl peroxide first Acyl, fatty acid methyl ester sulfonate, beta-hydroxy alkylamide are ultrasonically treated to obtain ultrasonic treatment mixture, by carbon nanotube, polypropylene Nitrile fiber reacts to obtain high-temperature stirring reaction material through vacuum high-temperature with plasticiser, antioxidant, then will be close after aforementioned each product mixing Dry particle material after drying, is then injected mixing mixture through extruder melt blending extruding pelletization by refining through injection molding machine It forms, obtains finished product composite plastic hose after standing.The composite plastic hose being prepared, high temperature resistance is excellent, in agriculture It has a good application prospect in the water conveyance irrigation of field.
Technical solution: to solve the above-mentioned problems, the invention discloses a kind of preparation method of composite plastic hose, by with Lower step composition:
(1) by 80~90 parts of polyvinyl chloride, 60~70 parts of n-BMA, 35~45 parts of toluene di-isocyanate(TDI) 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 hydroxyapatite and obtain hydroxylapatite powder, by what is obtained Hydroxylapatite powder is put into ball mill jointly with 3~5 parts of calcium carbonate, then 10 times of weights are added into the mixed material of ball mill It is ground after measuring the deionized water of part, is dried under vacuum to constant weight at 80 DEG C after then being filtered abrasive material, will dry Product crushes and crosses 250 meshes, obtains mill-drying mixture；
(3) by 15~25 parts of dibenzoyl peroxide, 8~10 parts of fatty acid methyl ester sulfonate, beta-hydroxy alkylamide 6~8 Part 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 polyacrylonitrile fibre are put into vacuum reaction kettle, is evacuated to reaction Kettle internal pressure is 0.01~0.02MPa, reaction kettle internal temperature is increased to 180~220 DEG C, at 180~200 revs/min Rate under insulated and stirred react 20~30 minutes, then reaction kettle internal temperature is down to 150~160 DEG C, be added plasticiser 2~ 4 parts, 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 Composite plastic hose.
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 composite plastic hose of the invention is by polyvinyl chloride, n-BMA, toluene two Isocyanates carries out Hybrid Heating and stirs to get thermal response mixture, will be ground after hydroxy-apatite powder made of stones with calcium carbonate wet-process, Suction filtration, dry, crushing obtain mill-drying mixture, by dibenzoyl peroxide, fatty acid methyl ester sulfonate, β-hydroxyalkyl acyl Amine is ultrasonically treated to obtain ultrasonic treatment mixture, by carbon nanotube, polyacrylonitrile fibre and plasticiser, antioxidant through vacuum high-temperature Reaction obtains high-temperature stirring reaction material, then by mixing after aforementioned each product mixing, then melts mixing mixture through extruder Blending extrusion is granulated, and the dry particle material after drying is injection moulded through injection molding machine, finished product composite plastic hose is obtained after standing. The composite plastic hose being prepared, high temperature resistance is excellent, has a good application prospect in the water conveyance irrigation of farmland.
(2) it participates in preparing present invention employs raw materials such as toluene di-isocyanate(TDI), fatty acid methyl ester sulfonate, carbon nanotubes Composite plastic hose has carried out effective performance boost to composite plastic hose, although these materials are not applied to again for the first time It closes in plastic flexible pipe, but amount is aided with corresponding modification mode with after other material combinations according to a certain ratio, to last system Standby obtained composite plastic hose brings increasing substantially in service performance, this is never to report in previous research , for realizing that it is conclusive that technical effect of the invention plays the role of.
Specific embodiment
Embodiment 1
(1) 80 parts of polyvinyl chloride, 60 parts of n-BMA, 35 parts of toluene di-isocyanate(TDI) 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 hydroxyapatite obtain hydroxylapatite powder, the hydroxy-apatite that will be obtained Mountain flour is put into ball mill jointly with 3 parts of calcium carbonate, then be added into the mixed material of ball mill 10 times of parts by weight go from The internal temperature of ball mill is heated to 60 DEG C by sub- water, is ground 25 minutes according to 550 revs/min of rate at this temperature, It is dried under vacuum to constant weight at 80 DEG C after then abrasive material is filtered, desciccate is crushed to and crossed 250 meshes, is ground Grind dry pack；
(3) 15 parts of dibenzoyl peroxide, 8 parts of fatty acid methyl ester sulfonate, 6 parts of beta-hydroxy alkylamide are put into ultrasound In wave oscillator, according to the ultrasonic power of 200W at 70 DEG C ultrasonic vibration 15 minutes, obtain ultrasonic treatment mixture；
(4) 5 parts of carbon nanotube, 4 parts of polyacrylonitrile fibre are put into vacuum reaction kettle, is evacuated to inside reaction kettle Pressure is 0.01MPa, and reaction kettle internal temperature is increased to 180 DEG C, the insulated and stirred reaction 20 under 180 revs/min of rate Minute, then reaction kettle internal temperature is down to 150 DEG C, 2 parts of diphenyl phosphite, 2,6- di-tert-butyl-4-methy phenol 2 is added Part, 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 composite plastic hose was obtained after standing 18 hours after injection molding.
Embodiment 2
(1) 85 parts of polyvinyl chloride, 65 parts of n-BMA, 40 parts of toluene di-isocyanate(TDI) 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 hydroxyapatite obtain hydroxylapatite powder, the hydroxy-apatite that will be obtained Mountain flour is put into ball mill jointly with 4 parts of calcium carbonate, then be added into the mixed material of ball mill 10 times of parts by weight go from The internal temperature of ball mill is heated to 65 DEG C by sub- water, is ground 30 minutes according to 600 revs/min of rate at this temperature, It is dried under vacuum to constant weight at 80 DEG C after then abrasive material is filtered, desciccate is crushed to and crossed 250 meshes, is ground Grind dry pack；
(3) 20 parts of dibenzoyl peroxide, 9 parts of fatty acid methyl ester sulfonate, 7 parts of beta-hydroxy alkylamide are put into ultrasound In wave oscillator, according to the ultrasonic power of 225W at 75 DEG C ultrasonic vibration 20 minutes, obtain ultrasonic treatment mixture；
(4) 7 parts of carbon nanotube, 5 parts of polyacrylonitrile fibre are put into vacuum reaction kettle, is evacuated to inside reaction kettle Pressure is 0.015MPa, and reaction kettle internal temperature is increased to 200 DEG C, the insulated and stirred reaction 25 under 190 revs/min of rate Minute, then reaction kettle internal temperature is down to 155 DEG C, is added 3 parts of tributyl citrate, N, 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 composite plastic hose was obtained after standing 20 hours after injection molding.
Embodiment 3
(1) 90 parts of polyvinyl chloride, 70 parts of n-BMA, 45 parts of toluene di-isocyanate(TDI) 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 hydroxyapatite obtain hydroxylapatite powder, the hydroxy-apatite that will be obtained Mountain flour is put into ball mill jointly with 5 parts of calcium carbonate, then be added into the mixed material of ball mill 10 times of parts by weight go from The internal temperature of ball mill is heated to 70 DEG C by sub- water, is ground 35 minutes according to 650 revs/min of rate at this temperature, It is dried under vacuum to constant weight at 80 DEG C after then abrasive material is filtered, desciccate is crushed to and crossed 250 meshes, is ground Grind dry pack；
(3) 25 parts of dibenzoyl peroxide, 10 parts of fatty acid methyl ester sulfonate, 8 parts of beta-hydroxy alkylamide are put into super In sound wave vibrator, according to the ultrasonic power of 250W at 80 DEG C ultrasonic vibration 25 minutes, obtain ultrasonic treatment mixture；
(4) 9 parts of carbon nanotube, 6 parts of polyacrylonitrile fibre are put into vacuum reaction kettle, is evacuated to inside reaction kettle Pressure is 0.02MPa, and reaction kettle internal temperature is increased to 220 DEG C, the insulated and stirred reaction 30 under 200 revs/min of rate Minute, then reaction kettle internal temperature is down to 160 DEG C, 4 parts of repefral, β-(3,5- di-t-butyl -4- hydroxyls is added Base phenyl) 4 parts of propionic acid n-octadecyl alcohol ester, insulated and stirred is reacted 55 minutes under 300 revs/min of rate, is obtained high temperature and is stirred Mix 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, 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 composite plastic hose was obtained after standing 22 hours after injection molding.
Comparative example 1
(1) 85 parts of polyvinyl chloride, 65 parts of n-BMA are put into blender, by the inside temperature of blender Degree is heated to 80 DEG C, stirs 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 hydroxyapatite obtain hydroxylapatite powder, the hydroxy-apatite that will be obtained Mountain flour is put into ball mill jointly with 4 parts of calcium carbonate, then be added into the mixed material of ball mill 10 times of parts by weight go from The internal temperature of ball mill is heated to 65 DEG C by sub- water, is ground 30 minutes according to 600 revs/min of rate at this temperature, It is dried under vacuum to constant weight at 80 DEG C after then abrasive material is filtered, desciccate is crushed to and crossed 250 meshes, is ground Grind dry pack；
(3) 20 parts of dibenzoyl peroxide, 9 parts of fatty acid methyl ester sulfonate, 7 parts of beta-hydroxy alkylamide are put into ultrasound In wave oscillator, according to the ultrasonic power of 225W at 75 DEG C ultrasonic vibration 20 minutes, obtain ultrasonic treatment mixture；
(4) 7 parts of carbon nanotube, 5 parts of polyacrylonitrile fibre are put into vacuum reaction kettle, is evacuated to inside reaction kettle Pressure is 0.015MPa, and reaction kettle internal temperature is increased to 200 DEG C, the insulated and stirred reaction 25 under 190 revs/min of rate Minute, then reaction kettle internal temperature is down to 155 DEG C, is added 3 parts of tributyl citrate, N, 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 composite plastic hose was obtained after standing 20 hours after injection molding.
Comparative example 2
(1) 85 parts of polyvinyl chloride, 65 parts of n-BMA, 40 parts of toluene di-isocyanate(TDI) 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 hydroxyapatite obtain hydroxylapatite powder, the hydroxy-apatite that will be obtained Mountain flour is put into ball mill jointly with 4 parts of calcium carbonate, then be added into the mixed material of ball mill 10 times of parts by weight go from The internal temperature of ball mill is heated to 65 DEG C by sub- water, is ground 30 minutes according to 600 revs/min of rate at this temperature, It is dried under vacuum to constant weight at 80 DEG C after then abrasive material is filtered, desciccate is crushed to and crossed 250 meshes, is ground Grind dry pack；
(3) 20 parts of dibenzoyl peroxide, 7 parts of beta-hydroxy alkylamide are put into ultrasonic oscillation device, according to 225W Ultrasonic power at 75 DEG C ultrasonic vibration 20 minutes, obtain ultrasonic treatment mixture；
(4) 7 parts of carbon nanotube, 5 parts of polyacrylonitrile fibre are put into vacuum reaction kettle, is evacuated to inside reaction kettle Pressure is 0.015MPa, and reaction kettle internal temperature is increased to 200 DEG C, the insulated and stirred reaction 25 under 190 revs/min of rate Minute, then reaction kettle internal temperature is down to 155 DEG C, is added 3 parts of tributyl citrate, N, 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 composite plastic hose was obtained after standing 20 hours after injection molding.
Comparative example 3
(1) 85 parts of polyvinyl chloride, 65 parts of n-BMA, 40 parts of toluene di-isocyanate(TDI) 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 hydroxyapatite obtain hydroxylapatite powder, the hydroxy-apatite that will be obtained Mountain flour is put into ball mill jointly with 4 parts of calcium carbonate, then be added into the mixed material of ball mill 10 times of parts by weight go from The internal temperature of ball mill is heated to 65 DEG C by sub- water, is ground 30 minutes according to 600 revs/min of rate at this temperature, It is dried under vacuum to constant weight at 80 DEG C after then abrasive material is filtered, desciccate is crushed to and crossed 250 meshes, is ground Grind dry pack；
(3) 20 parts of dibenzoyl peroxide, 9 parts of fatty acid methyl ester sulfonate, 7 parts of beta-hydroxy alkylamide are put into ultrasound In wave oscillator, according to the ultrasonic power of 225W at 75 DEG C ultrasonic vibration 20 minutes, obtain ultrasonic treatment mixture；
(4) 7 parts of carbon black, 5 parts of polyacrylonitrile fibre 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 composite plastic hose was obtained after standing 20 hours after injection molding.
The composite plastic hose obtained of embodiment 1-3 and comparative example 1-3 is heat-treated 72h at 80 DEG C respectively, is measured It is heat-treated the tensile strength change of front and back, test result is as shown in table 1.
Table 1
The preparation method of composite plastic hose of the invention is that polyvinyl chloride, n-BMA, toluene two is different Cyanate carries out Hybrid Heating and stirs to get thermal response mixture, will grind, takes out with calcium carbonate wet-process after hydroxy-apatite powder made of stones Filter, dry, crushing obtain mill-drying mixture, by dibenzoyl peroxide, fatty acid methyl ester sulfonate, beta-hydroxy alkylamide Ultrasonic treatment obtains ultrasonic treatment mixture, and carbon nanotube, polyacrylonitrile fibre and plasticiser, antioxidant is anti-through vacuum high-temperature High-temperature stirring reaction material should be obtained, then by mixing after aforementioned each product mixing, is then melted mixing mixture altogether through extruder Mixed extruding pelletization, the dry particle material after drying is injection moulded through injection molding machine, finished product composite plastic hose is obtained after standing.System Composite plastic hose made of standby, high temperature resistance is excellent, has a good application prospect in the water conveyance irrigation of farmland.And And present invention employs the raw materials participations such as toluene di-isocyanate(TDI), fatty acid methyl ester sulfonate, carbon nanotube to prepare composite plastic Hose has carried out effective performance boost to composite plastic hose, although these materials are not soft applied to composite plastic for the first time Guan Zhong, but amount is aided with corresponding modification mode, to what is be finally prepared with after other material combinations according to a certain ratio Composite plastic hose brings increasing substantially in service performance, this is never to report in previous research, for It is conclusive to realize that technical effect of the invention plays the role of.

Claims (6)

1. a kind of preparation method of composite plastic hose, which is characterized in that comprise the steps of:
(1) by 80~90 parts of polyvinyl chloride, 60~70 parts of n-BMA, 35~45 parts of toluene di-isocyanate(TDI) 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 hydroxyapatite obtain hydroxylapatite powder, the hydroxyl that will be obtained Floats are put into ball mill jointly with 3~5 parts of calcium carbonate, then 10 times of parts by weight are added into the mixed material of ball mill Deionized water after ground, constant weight is dried under vacuum at 80 DEG C after then being filtered abrasive material, by desciccate 250 meshes are crushed and crossed, mill-drying mixture is obtained；
(3) by 15~25 parts of dibenzoyl peroxide, 8~10 parts of fatty acid methyl ester sulfonate, 6~8 parts of beta-hydroxy alkylamide throwings Enter into ultrasonic oscillation device, according to the ultrasonic power of 200~250W at 70~80 DEG C ultrasonic vibration 15~25 minutes, obtain It is ultrasonically treated mixture；
(4) 5~9 parts of carbon nanotube, 4~6 parts of polyacrylonitrile fibre 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) 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, it is compound to obtain finished product after standing 18~22 hours Plastic flexible pipe.
2. the preparation method of composite plastic hose according to claim 1, which is characterized in that ball in the step (2) After the deionized water of 10 times of parts by weight is added in the mixed material of grinding machine, 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 composite plastic hose according to claim 1, which is characterized in that the modeling in the step (4) Any one of agent in diphenyl phosphite, tributyl citrate, repefral.
4. the preparation method of composite plastic hose according to claim 1, which is characterized in that anti-in the step (4) Oxygen agent is selected from 2,6 di tert butyl 4 methyl phenol, N, N '-diphenyl-para-phenylene diamine, β-(3,5- di-t-butyl -4- hydroxy benzenes Base) any one in propionic acid n-octadecyl alcohol ester.
5. the preparation method of composite plastic hose according to claim 1, which is characterized in that double spiral shells in the step (6) Each section of extrusion temperature of bar be 180~205 DEG C of an area, two 190~220 DEG C of areas, three 200~230 DEG C of areas, four 210~235 DEG C of areas, 205~215 DEG C of head.
6. the preparation method of composite plastic hose according to claim 1, which is characterized in that injection molding in the step (7) The running parameter of 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.
CN201810864795.9A 2018-08-01 2018-08-01 A kind of preparation method of composite plastic hose Withdrawn CN109181149A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101592271A (en) * 2009-06-11 2009-12-02 周锦彪 Environment-friendly water-supply hose with antibacterial functions
CN103265765A (en) * 2013-05-31 2013-08-28 漯河科莱堡洁具配件有限公司 Chlorosulfonated polyethylene/polyvinyl chloride composite spiral wound hose and preparation method thereof
CN104356540A (en) * 2014-10-29 2015-02-18 昆山艾士比高分子科技有限公司 Medical plastic composite material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101592271A (en) * 2009-06-11 2009-12-02 周锦彪 Environment-friendly water-supply hose with antibacterial functions
CN103265765A (en) * 2013-05-31 2013-08-28 漯河科莱堡洁具配件有限公司 Chlorosulfonated polyethylene/polyvinyl chloride composite spiral wound hose and preparation method thereof
CN104356540A (en) * 2014-10-29 2015-02-18 昆山艾士比高分子科技有限公司 Medical plastic composite material

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