CN102942763A - Preparation method of tensile compressive high temperature resistant modified polypropylene power pipe - Google Patents

Preparation method of tensile compressive high temperature resistant modified polypropylene power pipe Download PDF

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Publication number
CN102942763A
CN102942763A CN2012104318796A CN201210431879A CN102942763A CN 102942763 A CN102942763 A CN 102942763A CN 2012104318796 A CN2012104318796 A CN 2012104318796A CN 201210431879 A CN201210431879 A CN 201210431879A CN 102942763 A CN102942763 A CN 102942763A
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temperature
mixing
district
weight parts
liquid crystal
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CN2012104318796A
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CN102942763B (en
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马君
张双全
王锡臣
祖国富
孙忠学
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HONGYUE PLASTIC GROUP CO Ltd
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HONGYUE PLASTIC GROUP CO Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04—Particle-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/9259—Angular velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92885—Screw or gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing

Abstract

The invention discloses a preparation method of a tensile compressive high temperature resistant modified polypropylene power pipe. The pipe comprises 100 weight parts of modified polypropylene, 0.5-15 weight parts of tackifier, 0.1-15 weight parts of nano material, 0.1-15 weight parts of liquid crystal material, 0.5-15 weight parts of shock resistant modifier, 0.1-15 weight parts of nucleating agent, 0-30 weight parts of filling masterbatch, 0.1-5 weight parts of color masterbatch, 0.5-30 weight parts of engineering plastic, 0.5-15 weight parts of compatibilizer, 0.05-5 weight parts of antioxidant, and 0.05-5 weight parts of light stablilizer, and is prepared by carrying out mixing granulation on the raw materials and then conducting extrusion molding through a mold. According to the invention, compared with existing MPP pipe, the bending strength of the produced MPP pipe disclosed herein is raised by 30-50%, the bending elastic modulus is raised by 25-60%, the welding tensile strength reaches 26-33 MPa, 70 DEG C ring hot compression force is raised by 30-50%, the photooxidation aging resistant time is prolonged by 5-15 years, the vicat softening point is raised by 5-20 DEG C, the shock strength and corrosion resistance are good, thus the produced MPP pipe disclosed herein can meet the requirements for high standard quality electric power engineering, and the engineering cost is reduced.

Description

A kind of preparation method of tension resistance to compression heat resist modification polypropylene electric power tubing
Technical field
The present invention relates to plastic pipe, be specifically related to a kind of preparation method of tension resistance to compression heat resist modification polypropylene electric power tubing.
Background technology
At present, the excavation and the non-excavation protecting pipe that are used on the high-tension cable mainly are modified polypropene (industry is interior referred to as MPP) tubing.And the modified polypropylene pipes that prior art is produced, flexural strength is 36-38MPa, bending elastic modulus is 1000-1500 MPa, body tensile strength 24-26MPa, the welding tensile strength is 22.5-24MPa, if meet drift sand or complex engineering, tubing is easily broken at the weld bond place; 70 ℃ of ring plates of high temperature (section) thermo compression power is low, and in actual use, compressive property is poor under the condition of long term high temperature and pressure-bearing, therefore causes the tubing Thickness Design larger, and cost is high; The anti-discolouring ageing resistance of tubing is poor, affects work-ing life, is difficult to satisfy the requirement of high standard quality power engineering.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of preparation method of tension resistance to compression heat resist modification polypropylene electric power tubing is provided, the electric power tubing that utilizes preparation method of the present invention to produce, the body tensile strength is high, and docking welding tensile strength is high, ring stiffness is high, flexural strength is high, and ring plate (section) thermo compression power is high, can satisfy the requirement of high standard quality power engineering, and the reduction engineering cost increases the service life.
The technical scheme that realizes the object of the invention is: a kind of preparation method of tension resistance to compression heat resist modification polypropylene electric power tubing, mixing granulation is by the mould extrusion moulding by weight ratio by 100 parts of modified polypropenes, 0.5-15 part tackifier, 0.1-15 part nano material, 0.1-15 part liquid crystal material, 0.5-15 part anti-impact modifier, 0.1-15 part nucleator, 0-30 part filling master batch, 0.1-5 part colour batch, 0.5-30 part engineering plastics, 0.5-15 part expanding material, 0.05-5 part oxidation inhibitor, 0.05-5 part photostabilizer for this tubing, and its concrete preparation may further comprise the steps:
(1) just mixed
Modified polypropene is mixed by weight ratio with nucleator, liquid crystal material, heated and stirred 8-20 minute, when temperature reaches 60-70 ℃, adding anti-impact modifier, filling master batch, nano material, oxidation inhibitor, photostabilizer stop when continuing to be stirred to 80-110 ℃ stirring, and are cooled to 25-45 ℃ and send the next procedure blend;
Described modified polypropene is a kind of or mixing more than two kinds in block polypropylene, atactic copolymerized polypropene, homo-polypropylene, alpha modification polypropylene, β modified polypropene, the γ modified polypropene;
Described nucleator is a kind of or mixing more than two kinds in Sodium Benzoate, p-phenolsulfonic acid's sodium, p-phenolsulfonic acid's calcium, sodium phenylate, calcium stearate, the two pairs of tert.-butylbenzene sodium phosphates, alkyl sorb sugar ester, yellow soda ash, talcum powder, titanium dioxide, carbonic acid boron, salt of wormwood, cerium dioxide rare earth, cerous hydroxide rare earth, lanthanum concentrate rare earth chloride, diatomite, aerosol, 0-chloro-benzoic acid sodium, m-chlorobenzoic acid sodium, the Sodium P-Chlorobenzoate;
Described liquid crystal material is a kind of or mixing more than two kinds among condensed ethandiol ester liquid crystal, polyacrylic ester liquid crystal, polysiloxane liquid crystal, side chain thermotropic liquid crystalline polyester, aromatic copolyesters liquid crystal, polyesteramide liquid crystal, liquid crystal polycarbonates, liquid crystal polymeric amide, the liquid crystal ABS;
Described anti-impact modifier is a kind of or mixing more than two kinds in terpolymer EP rubber, styrene-butadiene rubber(SBR), chloroprene rubber, natural rubber, nitrile rubber, styrene-butadiene-styrene, ethylene-vinyl acetate copolymer, acrylonitrile-butadiene-phenylethylene multipolymer, the chlorinatedpolyethylene;
Described filling master batch is a kind of or mixing more than two kinds in calcium carbonate, silicon-dioxide, titanium dioxide, talcum powder, mica, quartz sand, sericite, potter's clay, silicate, the Wingdale;
Described nano material is a kind of or mixing more than two kinds in active nano mica, quartz sand, sericite, potter's clay, silicate, calcium carbonate, silicon-dioxide, titanium dioxide, talcum powder, the Wingdale;
Described oxidation inhibitor is one or two or more mixing in phosphorous acid oxidation inhibitor, thioesters oxidation inhibitor, the phenolic antioxidant;
Described photostabilizer is a kind of or mixing more than two kinds in benzophenone, benzoic ether, benzotriazole, salicylate, dithiocarbamic acid nickel salt, thiobisphenol, phosphate monoester nickel, hindered amine, carbon black, titanium dioxide, zinc oxide, the ferric oxide;
(2) blend
Engineering plastics are mixed by weight ratio with expanding material, tackifier, colour batch, heated and stirred 8-20 minute, the first batch mixing that adds last process when temperature reaches 80-100 ℃ stops when continuing to be stirred to 105-120 ℃ stirring, and is cooled to 25-45 ℃ for next procedure;
Described engineering plastics are a kind of or mixing more than two kinds in polycarbonate, polymeric amide, polyoxymethylene, polysulfones, polyester, ABS, polyimide, polyphenylene oxide, polyether-ether-ketone, polyphenylene sulfide, the tetrafluoroethylene;
Described expanding material is polypropylene-caprolactone graft copolymer, polypropylene-phenylethene grafted copolymer, maleic anhydride graft copolymer, the macromole silane coupling agent, macromole aluminium titanium coupling agent, the macromole titanate coupling agent, polypropylene-methacrylic acid ester graft copolymer, the fine graft copolymer of polypropylene-propylene, polypropylene-methacrylic acid graft copolymer, the 1-chloro-4-methyl-benzene graft copolymer, acrylic acid graft copolymer, the ethylene-propylene graft copolymer, the acrylic acid epoxy ester graft copolymer, the MALEIC ANHYDRIDE graft copolymer, a kind of or mixing more than two kinds in the ethylene-vinyl acetate copolymer;
Described tackifier are a kind of or mixing more than two kinds in polyisobutene co-polymer, Gum Rosin, rosin triglyceride, the fragrant Doutrate of hydroabietic acid, two terpene polymers, alkyl phenolic resin, dammar gum, shellac, polystyrene resin, the rosin modified phenolic resin;
Described colour batch is a kind of or mixing more than two kinds in white master material, red masterbatch, black masterbatch, yellow masterbatch, blue masterbatch, green masterbatch, purple masterbatch, orange masterbatch, grey colour batch, the cyan masterbatch;
(3) granulation
With the above-mentioned blend composition single screw rod of process or twin screw extruder extruding pelletization, extruder barrel one district's temperature is 160-190 ℃, two district's temperature are 170-210 ℃, three district's temperature are 180-225 ℃, four district's temperature are 185-235 ℃, die temperature is 200-260 ℃, and the extruder screw rotating speed is 1-30 rev/min;
(4) extruding pipe material
Through twin screw or single screw extrusion machine and mould extrusion moulding, extruder barrel one district's temperature is 160-190 ℃ with above-mentioned granulation material, and two district's temperature are 170-210 ℃, and three district's temperature are 180-225 ℃, and four district's temperature are 185-235 ℃; Mould one district's temperature is 180-225 ℃, and two district's temperature are 185-230 ℃, and three district's temperature are 190-240 ℃, and die temperature is 190-260 ℃; The extruder screw rotating speed is 5-30 rev/min, and pulling speed is 0.5-10 m/min, and water tank vacuum tightness is 0.02-0.06PMa.
Compare with the MPP tubing of prior art with the MPP tubing that preparation method of the present invention produces, good rigidly, flexural strength is high, and bending elastic modulus is high, and ring stiffness is high, and ring plate (section) thermo compression power is high, and the welding tensile strength is high.Its flexural strength can reach 48-60MPa, improves more than the 30-50%; Bending elastic modulus can reach 1800-2200MPa, improves more than the 25-60%; The welding tensile strength reaches 26-33MPa, surpasses the body tensile strength; 70 ℃ of ring plates (section) thermo compression power improves 30-50%; Fast light oxygen aging time lengthening 5-15; Vicat softening point improves 5-20 ℃, and resistance to impact shock and corrosion resistance nature are good.Owing to good rigidly, intensity is high simultaneously, and at high temperature the withstand load crushing resistance is good for a long time, therefore can reduce wall thickness, reduces cost, save energy.Can satisfy the requirement of high standard quality power engineering with the tubing of preparation method's production of the present invention.
Embodiment
In conjunction with the embodiments the preparation method of a kind of tension resistance to compression heat resist modification polypropylene electric power tubing of the present invention is further elaborated:
Embodiment 1
(1) just mixed
Get 100 kilograms of block copolymerization polypropylenes, 0.5 kilogram of the two pairs of tert.-butylbenzene sodium phosphate, 0.8 kilogram of mixing of polyacrylic ester liquid crystal, heated and stirred 10 minutes, when temperature reaches 65 ℃, add 1 kilogram of terpolymer EP rubber, 0.8 kilogram in calcium carbonate, 0.8 kilogram of titanium dioxide, 0.25 kilogram in thioesters oxidation inhibitor, 0.15 kilogram of salicylate, stop when continuing to be stirred to 95 ℃ stirring, be cooled to 35 ℃ and send the next procedure blend;
(2) blend
Get 5 kilograms of polymeric amide, polypropylene-1 kilogram of methacrylic acid ester graft copolymer, 0.6 kilogram of rosin triglyceride, 1 kilogram of mixing of white master material, heated and stirred 15 minutes, the first batch mixing that when temperature reaches 90 ℃, adds last process, stop when continuing to be stirred to 110 ℃ stirring, be cooled to 35 ℃ for next procedure;
(3) granulation
Through single screw rod or twin screw extruder extruding pelletization, extruder barrel temperature one district is 185 ℃ with above-mentioned blend composition, and two district's temperature are 190 ℃, three district's temperature are 200 ℃, four district's temperature are 205 ℃, and die temperature is 210 ℃, and the extruder screw rotating speed is 5 rev/mins;
(4) extruding pipe material
Through twin screw or single screw extrusion machine and mould extrusion moulding tubing, extruder barrel one district's temperature is 180 ℃ with above-mentioned granulation material, and two district's temperature are 190 ℃, and three district's temperature are 195 ℃, and four district's temperature are 195 ℃; Mould one district's temperature is 188 ℃, and two district's temperature are 195 ℃, and three district's temperature are 195 ℃, and die temperature is 200 ℃; The extruder screw rotating speed is 10 rev/mins, and pulling speed is 2 m/mins, and water tank vacuum tightness is 0.04PMa.
Embodiment 2
(1) just mixed
Get 100 kilograms of atactic copolymerized polypropenes, 0.6 kilogram of alkyl sorb sugar ester, 1.1 kilograms of mixing of polysiloxane liquid crystal, heated and stirred 10 minutes, when temperature reaches 65 ℃, add 1.1 kilograms of natural rubbers, 0.8 kilogram of quartz sand, 0.9 kilogram of titanium dioxide, 0.5 kilogram in phosphorous acid oxidation inhibitor, 0.8 kilogram of silicon-dioxide, stop when continuing to be stirred to 95 ℃ stirring, send the next procedure blend when being cooled to 35 ℃;
(2) blend
Get 5 kilograms of polyoxymethylene, 0.8 kilogram of ethylene-vinyl acetate copolymer, polypropylene-1 kilogram of methacrylic acid ester graft copolymer, 0.5 kilogram of Gum Rosin, 1 kilogram of mixing of red masterbatch, heated and stirred 10 minutes, the first batch mixing that when temperature reaches 90 ℃, adds last process, stop when continuing to be stirred to 110 ℃ stirring, be cooled to 35 ℃ for next procedure;
(3) granulation
Through single screw rod or twin screw extruder extruding pelletization, extruder barrel temperature one district is 185 ℃ with above-mentioned blend composition, and two district's temperature are 190 ℃, three district's temperature are 200 ℃, four district's temperature are 205 ℃, and die temperature is 210 ℃, and the extruder screw rotating speed is 6 rev/mins;
(4) extruding pipe material
Through twin screw or single screw extrusion machine and mould extrusion moulding tubing, extruder barrel temperature one district is 180 ℃ with above-mentioned granulation material, and two district's temperature are 190 ℃, and three district's temperature are 195 ℃, and four district's temperature are 195 ℃; Mould one district's temperature is 188 ℃, and two district's temperature are 195 ℃, and three district's temperature are 215 ℃, and die temperature is 235 ℃; The extruder screw rotating speed is 12 rev/mins, and pulling speed is 2.2 m/mins, and water tank vacuum tightness is 0.035PMa.

Claims (1)

1. the preparation method of a tension resistance to compression heat resist modification polypropylene electric power tubing, it is characterized in that: mixing granulation is by the mould extrusion moulding by weight ratio by 100 parts of modified polypropenes, 0.5-15 part tackifier, 0.1-15 part nano material, 0.1-15 part liquid crystal material, 0.5-15 part anti-impact modifier, 0.1-15 part nucleator, 0-30 part filling master batch, 0.1-5 part colour batch, 0.5-30 part engineering plastics, 0.5-15 part expanding material, 0.05-5 part oxidation inhibitor, 0.05-5 part photostabilizer for this tubing, and its concrete preparation may further comprise the steps:
(1) just mixed
Modified polypropene is mixed by weight ratio with nucleator, liquid crystal material, heated and stirred 8-20 minute, when temperature reaches 60-70 ℃, adding anti-impact modifier, filling master batch, nano material, oxidation inhibitor, photostabilizer stop when continuing to be stirred to 80-110 ℃ stirring, and are cooled to 25-45 ℃ and send the next procedure blend;
Described modified polypropene is a kind of or mixing more than two kinds in block polypropylene, atactic copolymerized polypropene, homo-polypropylene, alpha modification polypropylene, β modified polypropene, the γ modified polypropene;
Described nucleator is a kind of or mixing more than two kinds in Sodium Benzoate, p-phenolsulfonic acid's sodium, p-phenolsulfonic acid's calcium, sodium phenylate, calcium stearate, the two pairs of tert.-butylbenzene sodium phosphates, alkyl sorb sugar ester, yellow soda ash, talcum powder, titanium dioxide, carbonic acid boron, salt of wormwood, cerium dioxide rare earth, cerous hydroxide rare earth, lanthanum concentrate rare earth chloride, diatomite, aerosol, 0-chloro-benzoic acid sodium, m-chlorobenzoic acid sodium, the Sodium P-Chlorobenzoate;
Described liquid crystal material is a kind of or mixing more than two kinds among condensed ethandiol ester liquid crystal, polyacrylic ester liquid crystal, polysiloxane liquid crystal, side chain thermotropic liquid crystalline polyester, aromatic copolyesters liquid crystal, polyesteramide liquid crystal, liquid crystal polycarbonates, liquid crystal polymeric amide, the liquid crystal ABS;
Described anti-impact modifier is a kind of or mixing more than two kinds in terpolymer EP rubber, styrene-butadiene rubber(SBR), chloroprene rubber, natural rubber, nitrile rubber, styrene-butadiene-styrene, ethylene-vinyl acetate copolymer, acrylonitrile-butadiene-phenylethylene multipolymer, the chlorinatedpolyethylene;
Described filling master batch is a kind of or mixing more than two kinds in calcium carbonate, silicon-dioxide, titanium dioxide, talcum powder, mica, quartz sand, sericite, potter's clay, silicate, the Wingdale;
Described nano material is a kind of or mixing more than two kinds in active nano mica, quartz sand, sericite, potter's clay, silicate, calcium carbonate, silicon-dioxide, titanium dioxide, talcum powder, the Wingdale;
Described oxidation inhibitor is one or two or more mixing in phosphorous acid oxidation inhibitor, thioesters oxidation inhibitor, the phenolic antioxidant;
Described photostabilizer is a kind of or mixing more than two kinds in benzophenone, benzoic ether, benzotriazole, salicylate, dithiocarbamic acid nickel salt, thiobisphenol, phosphate monoester nickel, hindered amine, carbon black, titanium dioxide, zinc oxide, the ferric oxide;
(2) blend
Engineering plastics are mixed by weight ratio with expanding material, tackifier, colour batch, heated and stirred 3-20 minute, the first batch mixing that adds last process when temperature reaches 80-100 ℃ stops when continuing to be stirred to 105-120 ℃ stirring, and is cooled to 25-45 ℃ for next procedure;
Described engineering plastics are a kind of or mixing more than two kinds in polycarbonate, polymeric amide, polyoxymethylene, polysulfones, polyester, ABS, polyimide, polyphenylene oxide, polyether-ether-ketone, polyphenylene sulfide, the tetrafluoroethylene;
Described expanding material is polypropylene-caprolactone graft copolymer, polypropylene-phenylethene grafted copolymer, maleic anhydride graft copolymer, the macromole silane coupling agent, macromole aluminium titanium coupling agent, the macromole titanate coupling agent, polypropylene-methacrylic acid ester graft copolymer, the fine graft copolymer of polypropylene-propylene, polypropylene-methacrylic acid ester graft copolymer, the 1-chloro-4-methyl-benzene graft copolymer, acrylic acid graft copolymer, the ethylene-propylene graft copolymer, the acrylic acid epoxy ester graft copolymer, the MALEIC ANHYDRIDE graft copolymer, a kind of or mixing more than two kinds in the ethylene-vinyl acetate copolymer;
Described tackifier are a kind of or mixing more than two kinds in polyisobutene co-polymer, Gum Rosin, rosin triglyceride, the fragrant Doutrate of hydroabietic acid, two terpene polymers, alkyl phenolic resin, dammar gum, shellac, polystyrene resin, the rosin modified phenolic resin;
Described colour batch is a kind of or mixing more than two kinds in white master material, red masterbatch, black masterbatch, yellow masterbatch, blue masterbatch, green masterbatch, purple masterbatch, orange masterbatch, grey colour batch, the cyan masterbatch;
(3) granulation
With the above-mentioned blend composition single screw rod of process or twin screw extruder extruding pelletization, extruder barrel temperature one district is 160-190 ℃, two district's temperature are 170-210 ℃, three district's temperature are 180-225 ℃, four district's temperature are 185-235 ℃, die temperature is 200-260 ℃, and the extruder screw rotating speed is 1-30 rev/min;
(4) extruding pipe material
Through twin screw or single screw extrusion machine and mould extrusion moulding, extruder barrel one district's temperature is 160-190 ℃ with above-mentioned granulation material, and two district's temperature are 170-210 ℃, and three district's temperature are 180-225 ℃, and four district's temperature are 185-235 ℃; Mould one district's temperature is 180-225 ℃, and two district's temperature are 185-230 ℃, and three district's temperature are 190-240 ℃, and die temperature is 190-260 ℃; The extruder screw rotating speed is 5-30 rev/min, and pulling speed is 0.5-10 m/min, and water tank vacuum tightness is 0.02-0.06PMa.
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CN103421267A (en) * 2013-07-19 2013-12-04 福建恒盛管业有限公司 Trenchless modified polypropylene pipe material for electric power
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CN103944132A (en) * 2014-04-29 2014-07-23 国家电网公司 Modified polypropylene composite tubular product for protecting high-voltage cable
CN103937075A (en) * 2014-05-06 2014-07-23 康泰塑胶科技集团有限公司 Polyethylene corrugated pipe and preparation method thereof
CN104130455A (en) * 2014-07-02 2014-11-05 合肥和安机械制造有限公司 Modified iron-ore slag used for polypropylene bellows material and preparation method thereof
CN104086887A (en) * 2014-07-09 2014-10-08 安徽宁国市高新管业有限公司 Weather-resistant power pipe
CN104086889A (en) * 2014-07-09 2014-10-08 安徽宁国市高新管业有限公司 Anti-aging MPP (modified polypropylene) electric tube
CN104086890A (en) * 2014-07-11 2014-10-08 安徽宁国市高新管业有限公司 High flaming retarding MPP power protecting tube
CN104086890B (en) * 2014-07-11 2016-08-24 安徽宁国市高新管业有限公司 A kind of high fire-retardance MPP electric power protection pipe
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CN105037935A (en) * 2015-07-24 2015-11-11 潍坊友容实业有限公司 Polypropylene-polysulfone concealed pipe for discharging salt in saline-alkali soil and preparing method thereof
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CN105482253A (en) * 2015-12-30 2016-04-13 合肥星辰电线电缆股份有限公司 Flame-retardant yielding-resistant sheath material for electric wires and cables
CN105946293A (en) * 2016-05-31 2016-09-21 太仓斯普宁精密机械有限公司 Low temperature resistant high-performance durable part
CN105922653A (en) * 2016-05-31 2016-09-07 太仓斯普宁精密机械有限公司 High-toughness creep resistant composite part
CN106009310A (en) * 2016-06-28 2016-10-12 安徽正石新型建材有限公司 Impact-resistant flame-retardant polypropylene pipe
CN106009311A (en) * 2016-06-28 2016-10-12 安徽正石新型建材有限公司 Flame-retardant and wear-resistant polypropylene pipe
CN106233842A (en) * 2016-07-30 2016-12-21 山东胜伟园林科技有限公司 A kind of salt discharging pipe containing high osmosis pervious bed and the application in the salt discharge of salt-soda soil thereof
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CN107775833A (en) * 2016-08-26 2018-03-09 唐山道诚管业有限公司 Peroxide-crosslinked polyethylene pipe colours production technology
CN107775833B (en) * 2016-08-26 2019-10-01 唐山道诚管业有限公司 Peroxide-crosslinked polyethylene pipe colours production technology
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CN106633439A (en) * 2016-12-09 2017-05-10 青阳县绿通复合材料有限公司 Modified polypropylene cable protection pipe and forming process thereof
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CN107017052A (en) * 2017-05-22 2017-08-04 江苏华远电缆有限公司 Fire retardant crosslinked polyethylene insulated power cable
CN107266754A (en) * 2017-08-07 2017-10-20 安徽凤凰松包装有限公司 A kind of acid and alkali-resistance rubber
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CN107759780B (en) * 2017-11-16 2019-10-11 常州大学 A kind of thermotropic liquid crystal ionomer beta nucleater and its preparation method and application containing sulfonate groups
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CN110408091A (en) * 2019-09-01 2019-11-05 亚罗斯建材（江苏）有限公司 A kind of preparation method of anti-aging rubber and plastic
CN110982179A (en) * 2019-12-26 2020-04-10 厦门市四峰工贸有限公司 Antibacterial and heat-resistant plastic product and preparation method thereof
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