CN103937075A - Polyethylene corrugated pipe and preparation method thereof - Google Patents

Polyethylene corrugated pipe and preparation method thereof Download PDF

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Publication number
CN103937075A
CN103937075A CN201410188584.XA CN201410188584A CN103937075A CN 103937075 A CN103937075 A CN 103937075A CN 201410188584 A CN201410188584 A CN 201410188584A CN 103937075 A CN103937075 A CN 103937075A
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China
Prior art keywords
districts
district
polyethylene
polypropylene
copolymer
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CN201410188584.XA
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Chinese (zh)
Inventor
林云青
张双全
周祖明
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Kangtai Plastic Science and Technology Group Co Ltd
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Kangtai Plastic Science and Technology Group Co Ltd
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Priority to CN201410188584.XA priority Critical patent/CN103937075A/en
Publication of CN103937075A publication Critical patent/CN103937075A/en
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/72—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7461—Combinations of dissimilar mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • 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
    • B29C48/03—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
    • B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
    • 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
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • 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
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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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92542—Energy, power, electric current or voltage
    • 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
    • B29C2948/92561—Time, e.g. start, termination, duration or interruption
    • 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
    • B29C2948/92571—Position, e.g. linear or angular
    • 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
    • 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
    • B29C2948/92609—Dimensions
    • B29C2948/92619—Diameter or circumference
    • 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
    • B29C2948/92609—Dimensions
    • B29C2948/92647—Thickness
    • 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
    • B29C2948/92504—Controlled parameter
    • B29C2948/92761—Mechanical properties
    • 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
    • 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
    • B29C2948/92933—Conveying, transporting or storage of articles
    • 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
    • B29C2948/9298—Start-up, shut-down or parameter setting phase; Emergency shut-down; Material change; Test or laboratory equipment or studies
    • 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
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • 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
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • 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
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four 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
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/062—HDPE
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/066—LDPE (radical process)
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/068—Ultra high molecular weight polyethylene

Abstract

The invention relates to a polyethylene corrugated pipe and a preparation method thereof, belonging to the technical field of non-metal building materials. The invention aims to provide a high-strength aging-resistant polyethylene corrugated pipe which is prepared through the following steps: preliminarily mixing the following raw materials in parts by weight: 75-100 parts of polyethylene, 5-25 parts of polypropylene, 0.5-15 parts of compatibilizer, 0.5-25 parts of rigid master batch, 0.05-1.5 parts of antioxidant, 0.02-1.5 parts of light stabilizer, 0.05-5 parts of light screening agent and 0.5-10 parts of nano material, uniformly stirring, and then granulating to obtain a preliminarily mixed granulation material; adding 2-15 parts by weight of engineering plastic, blending with the preliminarily mixed granulation material, uniformly stirring, and then granulating to obtain a blended granulation material; and then extruding the blended granulation material through an extruder, sizing with a mold, cooling, pulling, and cutting.

Description

A kind of polyethylene corrugated tubing and preparation method thereof
Technical field
The invention belongs to Non-metallic Building Materials technical field, be specifically related to a kind of polyethylene corrugated tubing and preparation method thereof.
Background technology
Because increase and some sewerage systems of avenue area are long neglected and in disrepair, in the time there is Heavy Rain, blowdown draining encounters difficulties, and leads to big flood phenomenon, even occurs large life security incident.Therefore country's input substantial contribution is transformed sewerage system, and the pipeline of traditional municipal blowdown draining is mainly steel pipe, cement pipe and cast iron pipe etc.But because these pipelines exist cost high, work-ing life is short, installation and maintenance difficulty, duration of service of a specified duration there will be the reasons such as seepage, national policy guiding is promoted the use of high molecule plastic tubing.Because polyethylene corrugated tubing has, the cost of material is low, good toughness, the light advantage such as corrosion-resistant, antiseismic and being used widely.But the ring stiffness of polyethylene corrugated tubing is also not suitable for buried environment and the soil is porous serious environment and the high environment of ground water table of sedimentation, especially summer erecting stage because polyvinyl piping materials is generally black, after solar light irradiation, tubing temperature is very high, rigidity declines very large, be easy to distortion, for polytene corrugated tube aspect ring stiffness with the deficiency of high temperature deformation, the method that currently available products mainly adopts steel strip reinforced or rolls up duct thickness improves its ring stiffness, but after steel band corrosion, tubing there will be the layering problem such as subside, can make cost increase much and roll up tube wall thickness degree, do not meet energy-saving and emission-reduction policy.
Summary of the invention
The object of the invention is the deficiency existing for existing polyethylene corrugated tubing, a kind of polyethylene corrugated tubing of high-strength ageing is provided.
Meter by weight, polyethylene corrugated tubing of the present invention consists of following manner following component:
By 75～100 parts of polyethylene, 5～25 parts of polypropylene, 0.5～15 part of expanding material, 0.5～25 part of rigidity masterbatch, 0.05～1.5 part of oxidation inhibitor, 0.02～1.5 part of photostabilizer, 0.05～5 part of photomask agent, 0.5～10 part of nano material carries out just mixing, and after stirring, granulation obtains just mixed granulation material; To just mix granulation material again and 2～15 parts of engineering plastics carry out blend, after stirring, granulation obtains blend granulation material, then by the extrusion moulding of blend granulation material.
Wherein, above-mentioned polyethylene is at least one in ultrahigh molecular weight polyethylene(UHMWPE), high density polyethylene(HDPE), medium-density polyethylene, Low Density Polyethylene, linear low density polyethylene, heat-proof polythene.
Further, above-mentioned heat-proof polythene is at least one in ethylene-octene copolymer, ethene-hexene copolymer.
Above-mentioned polypropylene is at least one in Atactic Polypropelene, syndiotactic polypropylene, isotatic polypropylene, hemiisotactic polypropylene, stereoblock polypropylene, alpha modification polypropylene, β modified polypropene, γ modified polypropene.
Above-mentioned engineering plastics are at least one in polyoxymethylene, acrylonitrile-butadiene-phenylethylene multipolymer, polycarbonate and polymeric amide.
Above-mentioned expanding material is ethylene-vinyl acetate copolymer, styrene-maleic anhydride copolymer, acrylonitrile-butadiene-styrene copolymer, ethylene-propylene copolymer, macromole silane coupling agent, macromole aluminium titanium coupling agent, macromole titanate coupling agent, polypropylene-caprolactone graft copolymer, polypropylene-phenylethene grafted copolymer, polypropylene-methacrylic acid ester graft copolymer, polypropylene-acrylonitrile graft copolymer, glycidyl methacrylate radiation grafting ethylene copolymer, maleic anhydride grafted ethene multipolymer, 1-chloro-4-methyl-benzene grafted ethylene copolymer, at least one in acrylic acid epoxy ester grafted ethylene copolymer.
Above-mentioned rigidity masterbatch is at least one in calcium carbonate, talcum powder, potter's clay, silicon-dioxide, mica, quartz sand, glass, whisker, titanium dioxide.
Above-mentioned antioxidant is at least one in phosphorous acid oxidation inhibitor, sulfuric acid oxidation inhibitor, phenolic antioxidant.
Above-mentioned photostabilizer is at least one in benzophenone, benzene potassium acid esters, benzotriazole, salicylate, dithiocarbamic acid nickel salt, thiobisphenol, phosphate monoester nickel, hindered amine, zinc oxide, ferric oxide.
Above-mentioned photomask agent is that black wood charcoal is black, at least one in white carbon black, titanium dioxide, gray paint, yellow ultramarine, red pigment, green pigment, blue pigments, veridian, violet pigment.
Above-mentioned nano material is at least one in nanometer titanium dioxide, nano-calcium carbonate, nano silicon, nanomete talc powder.
Another object of the present invention is to provide a kind of preparation method of above-mentioned polyethylene corrugated tubing, comprises the following steps:
1, just mixed: proportioning by weight, by polyethylene, polypropylene, expanding material, rigidity masterbatch, oxidation inhibitor, photostabilizer, photomask agent, nano material stir and form just batch mixing;
2, granulation: the first batch mixing extruding granulator granulation obtaining in step 1 is obtained to just mixed granulation material, wherein the Heating temperature of extruding granulator is 140～160 DEG C, machine barrel one district, two 170～185 DEG C, districts, three 180～195 DEG C, districts, four 185～200 DEG C, districts, five 190～210 DEG C, districts, 180～210 DEG C, head one district, 190～225 DEG C of mouth moulds, be 1.5～2.5 hours heat-up time; Engine speed is 1～25r/min, and pelletizing rotating speed is 1～15 time/second; Coolant water temperature is 20～45 DEG C;
3, blend: by ratio of weight and the number of copies, add engineering plastics and just mixed granulation material blend to obtain blend composition;
4, granulation: the blend composition obtaining in step 3 is prepared to blend granulation material with extruding granulator, wherein the Heating temperature of extruding granulator is 140～160 DEG C, machine barrel one district, two 170～185 DEG C, districts, three 180～195 DEG C, districts, four 185～200 DEG C, districts, five 190～210 DEG C, districts, 180～210 DEG C, head one district, 190～225 DEG C of mouthful moulds, be 1.5～2.5 hours heat-up time, engine speed is 1～25r/min, and pelletizing rotating speed is 1～15 time/second, and coolant water temperature is 20～45 DEG C;
5, extrude: the blend granulation material that above-mentioned steps 4 is obtained is extruded and obtained polytene corrugated tube through single screw extrusion machine or twin screw extruder, wherein surge layer main frame and inner wall layer main frame Heating temperature are 140～160 DEG C, forcing machine one district, two 170～185 DEG C, districts, three 175～190 DEG C, districts, four 180～220 DEG C, districts, five 185～220 DEG C, districts, six 190～235 DEG C, districts, 140～200 DEG C of flanges, excessively 175～220 DEG C, net, 180～220 DEG C of hot-plates, mould 1 district 180～-195 DEG C, 180～195 DEG C, mould 2nd district, 185～195 DEG C, mould 3rd district, 182～200 DEG C, mould 4th district, 185～210 DEG C, mould 5th district, 185～220 DEG C, mould 6th district, 170～190 DEG C, mould 7th district, 175～195 DEG C, mould 8th district, be 2～3 hours heat-up time, and main-machine screw degree of turning is 10～100r/min, and electric current is 40～180A, and head pressure is 3～20Mpa, and tank pressure is 0.01～0.05Mpa, and pulling speed is 0.1～8m/min.
Beneficial effect of the present invention is: preparation method's step of polyethylene corrugated tubing of the present invention is easy, with low cost, less demanding to equipment, polyethylene corrugated tubing of the present invention is compared with existing polyethylene corrugated tubing, under normal temperature condition, ring stiffness can improve 30～50%, under 45～70 DEG C of conditions, ring stiffness can improve 40～60%, under normal temperature condition, encircle flexibility and can improve 35～55%, can improve 50～100% at hernia light according to resistance to impact shock in the weathering test of 6000 hours, effectively extend work-ing life.
Embodiment
Polyethylene corrugated tubing of the present invention can obtain by following embodiment:
1, just mixed: by 75～100 parts of polyethylene, 5～25 parts of polypropylene, 0.5～15 part of expanding material, 0.5～25 part of rigidity masterbatch, 0.05～1.5 part of antioxidant, 0.02～1.5 part of photostabilizer, 0.05～5 part of photomask agent, 0.5～10 part of nano material stirs and within 3～15 minutes, forms just batch mixing under 10～35 DEG C of conditions, and the temperature of first batch mixing is controlled to 15～40 DEG C for next procedure granulation;
2, granulation: the first batch mixing extruding granulator granulation obtaining in step 1 is obtained to just mixed granulation material, wherein the Heating temperature of extruding granulator is 140～160 DEG C, machine barrel one district, two 170～185 DEG C, districts, three 180～195 DEG C, districts, four 185～200 DEG C, districts, five 190～210 DEG C, districts, 180～210 DEG C, head one district, 190～225 DEG C of mouth moulds, be 1.5～2.5 hours heat-up time; Engine speed is 1～25r/min, and pelletizing rotating speed is 1～15 time/second; Coolant water temperature is 20～45 DEG C, and granulation material is cooled to 18～45 DEG C for next procedure blend;
3, blend: by ratio of weight and the number of copies, add 2～15 parts of engineering plastics and just mixed granulation material blend, stir and obtain blend composition for 3～15 minutes, the temperature of blend composition is controlled to 15～50 DEG C for next procedure;
4, granulation: the blend composition obtaining in step 3 is prepared to blend granulation material with extruding granulator, wherein the Heating temperature of extruding granulator is 140～160 DEG C, machine barrel one district, two 170～185 DEG C, districts, three 180～195 DEG C, districts, four 185～200 DEG C, districts, five 190～210 DEG C, districts, 180～210 DEG C, head one district, 190～225 DEG C of mouth moulds, constant temperature time is 1.5～2.5 hours, and engine speed is 1～25r/min, and pelletizing rotating speed is 1～15 time/second, coolant water temperature is 20～45 DEG C, is cooled to 18～45 DEG C to extrude for next procedure in blend granulation material;
5, extrude: blend granulation material single screw extrusion machine or twin screw extruder that step 4 is obtained are prepared polytene corrugated tube, wherein surge layer main frame and inner wall layer main frame Heating temperature are 140～160 DEG C, forcing machine one district, two 170～185 DEG C, districts, three 175～190 DEG C, districts, four 180～220 DEG C, districts, five 185～220 DEG C, districts, six 190～235 DEG C, districts, 140～200 DEG C of flanges, excessively 175～220 DEG C, net, 180～220 DEG C of hot-plates, mould 1 district 180～-195 DEG C, 180～195 DEG C, mould 2nd district, 185～195 DEG C, mould 3rd district, 182～200 DEG C, mould 4th district, 185～210 DEG C, mould 5th district, 185～220 DEG C, mould 6th district, 170～190 DEG C, mould 7th district, 175～195 DEG C, mould 8th district, constant temperature time is 2～3 hours, and main-machine screw degree of turning is 10～100r/min, and electric current is 40～180A, and head pressure is 3～20Mpa, and tank pressure is 0.01～0.05Mpa, and pulling speed is 0.1～8m/min.
Above-mentioned polyethylene is at least one in ultrahigh molecular weight polyethylene(UHMWPE), high density polyethylene(HDPE), medium-density polyethylene, Low Density Polyethylene, linear low density polyethylene, heat-proof polythene, is preferably at least one in ethylene-octene copolymer, ethene-hexene copolymer.
Above-mentioned polypropylene is at least one in Atactic Polypropelene, syndiotactic polypropylene, isotatic polypropylene, hemiisotactic polypropylene, stereoblock polypropylene, alpha modification polypropylene, β modified polypropene, γ modified polypropene.Wherein isotatic polypropylene refers to that methyl is arranged in the polypropylene of molecular backbone chain the same side; Syndiotactic polypropylene refers to that methyl is arranged alternately in the polypropylene of the both sides of molecular backbone chain; Atactic Polypropelene refers to the polypropylene of the chaotic both sides that are arranged in molecular backbone chain of methyl.
Above-mentioned engineering plastics are at least one in polyoxymethylene, acrylonitrile-butadiene-phenylethylene multipolymer, polycarbonate and polymeric amide.
Expanding material can increase the consistency between polymkeric substance, improves the bounding force between polymer blend, thereby improves the mechanical property of product.Contriver finds that through a large amount of creative experiments working as expanding material is ethylene-vinyl acetate copolymer, styrene-maleic anhydride copolymer, acrylonitrile-butadiene-styrene copolymer, ethylene-propylene copolymer, macromole silane coupling agent, macromole aluminium titanium coupling agent, macromole titanate coupling agent, polypropylene-caprolactone graft copolymer, polypropylene-phenylethene grafted copolymer, polypropylene-methacrylic acid ester graft copolymer, polypropylene-acrylonitrile graft copolymer, glycidyl methacrylate radiation grafting ethylene copolymer, maleic anhydride grafted ethene multipolymer, 1-chloro-4-methyl-benzene grafted ethylene copolymer, when at least one in acrylic acid epoxy ester grafted ethylene copolymer, effect is remarkable.
Above-mentioned rigidity masterbatch is at least one in calcium carbonate, talcum powder, potter's clay, silicon-dioxide, mica, quartz sand, glass, whisker, titanium dioxide.
Above-mentioned antioxidant is at least one in phosphorous acid oxidation inhibitor, sulfuric acid oxidation inhibitor, phenolic antioxidant.
Above-mentioned photostabilizer is at least one in benzophenone, benzene potassium acid esters, benzotriazole, salicylate, dithiocarbamic acid nickel salt, thiobisphenol, phosphate monoester nickel, hindered amine, zinc oxide, ferric oxide.
Above-mentioned photomask agent is that black wood charcoal is black, at least one in white carbon black, titanium dioxide, gray paint, yellow ultramarine, red pigment, green pigment, blue pigments, veridian, violet pigment.
Above-mentioned nano material is at least one in nanometer titanium dioxide, nano-calcium carbonate, nano silicon, nanomete talc powder.
The ring stiffness testing method of the prepared polytene corrugated tube of the present invention is with reference to GB/T19472.1-2004, and the testing method of ageing-resistant performance is according to the GB/T16422.2-1999 hernia light resistance to impact shock that product are tested sample according to EN12608:2002 after 6000 hours in the same old way.
Below in conjunction with specific embodiment, the present invention is further elaborated, wherein, embodiment 1 is the Preparation Example of the PE corrugated tube of external diameter 400mm, embodiment 2 is the Preparation Example of the PE corrugated tube of external diameter 250mm, embodiment 3 is commercial polyethylene corrugated pipe performance test, and table 1 is the prepared polyethylene corrugated tubing of embodiment and commercial polyethylene corrugated pipe the performance test results.
Embodiment 1
A, just mixed: by 80 kilograms of high density polyethylene(HDPE)s, 10 kilograms of ultrahigh molecular weight polyethylene(UHMWPE)s, 1.7 kilograms of linear low density polyethylenes, 5 kilograms of isotatic polypropylene, 3 kilograms of alpha modification polypropylene, 3 kilograms of maleic anhydride grafted ethene multipolymers, 3 kilograms of propylene-ethylene copolymers, 8 kilograms of quartz sand masterbatch, 0.5 kilogram of phosphite antioxidant, 0.8 kilogram of benzophenone, 1 kilogram of black wood charcoal is black, 0.5 kilogram of nano silicon stirs and within 4 minutes, obtains just batch mixing under 23 DEG C of conditions, after having stirred, the temperature of first batch mixing is controlled to 40 DEG C and send next procedure to use;
B, granulation: the first batch mixing of step a is joined to extruding pelletization in twin screw extruder, and wherein the temperature of twin screw extruder is: 150 DEG C, machine barrel one district, 175 DEG C, machine barrel 2nd district, 185 DEG C, machine barrel 3rd district, 190 DEG C, machine barrel 4th district, 200 DEG C, machine barrel 5th district, 185 DEG C, head one district, 210 DEG C of mouth moulds, be 2 hours heat-up time, engine speed is 18r/min, pelletizing speed is 5 times/second, 32 DEG C of temperature of cooling water, will just mix granulation material and be cooled to 25 DEG C, and pack is for next procedure;
C, blend: by the first mixed granulation material obtaining in 116.5 kilograms of step b, 5 kilograms of polyoxymethylene, the compound of 3 kilograms of polycarbonate stirs 13 minutes under normal temperature condition, after having stirred, the temperature of compound is controlled to 48 DEG C, for next procedure.
D, granulation:
Granulation: by the blend composition obtaining in step c twin screw extruder extruding pelletization, the Heating temperature of twin screw extruder is 155 DEG C, machine barrel one district, two 183 DEG C, districts, three 194 DEG C, districts, four 196 DEG C, districts, five 205 DEG C, districts, 205 DEG C, head one district, 220 DEG C of mouth moulds, be 2 hours heat-up time, and engine speed is 16r/min, and pelletizing rotating speed is 4 times/second, coolant water temperature is 40 DEG C, and the 43 DEG C of confession next procedures that are cooled to of blend granulation material are extruded;
E, extrude: the blend granulation material single screw extrusion machine that steps d is obtained is produced PE corrugated tube, external diameter 400mm, minimum lamination wall thickness 2.3mm, minimum internal layer wall thickness 2.0mm, corrugated tube tubing, before start, be first 150 DEG C, machine barrel one district by surge layer main frame and inner wall layer main barrel Temperature Setting, two 172 DEG C, districts, three 180 DEG C, districts, four 195 DEG C, districts, five 198 DEG C, districts, six 200 DEG C, districts, 180 DEG C of flanges, excessively 200 DEG C, net, 190 DEG C of hot-plates, 185 DEG C, mould one district, two 186 DEG C, districts, three 188 DEG C, districts, four 185 DEG C, districts, five 200 DEG C, districts, six 215 DEG C, districts, seven 185 DEG C, districts, eight 193 DEG C, districts, be 2 hours heat-up time, surge layer and inner wall layer main-machine screw rotating speed 12r/min, electric current 60A, head pressure 4.1Mpa, water tank vacuum tightness 0.018Mpa, pulling speed 0.5m/min.
The performance test results is in table 1.
Embodiment 2
A, just mixed: by 60 kilograms of high density polyethylene(HDPE)s, 20 kilograms of ultrahigh molecular weight polyethylene(UHMWPE)s, 3 kilograms of Low Density Polyethylenes, 16 kilograms of isotatic polypropylene, 2 kilograms of β modified polypropenes, 2.8 kilograms of ethylene-vinyl acetate copolymers, 3 kilograms of propylene-ethylene copolymers, 8 kilograms of talcum powder, 0.55 kilogram of phenolic antioxidant, 0.7 kilogram of benzoic ether, 1.0 kilograms of white carbon blacks, 4 kilograms of nanometer titanium dioxides stir and within 3.5 minutes, obtain just batch mixing under 25 DEG C of conditions, the temperature of first batch mixing is controlled to 42 DEG C and send next procedure to use;
B, granulation: by the first batch mixing twin screw extruder extruding pelletization obtaining in last process, its prilling temperature is: 145 DEG C, machine barrel one district, 173 DEG C, machine barrel 2nd district, 188 DEG C, machine barrel 3rd district, 190 DEG C, machine barrel 4th district, 200 DEG C, machine barrel 5th district, 185 DEG C, head one district, 205 DEG C of mouth moulds, be 2 hours heat-up time, engine speed is 19r/min, pelletizing speed is 5 times/second, 32 DEG C of temperature of cooling water, are cooled to 25 DEG C by granulation material, and pack is for next procedure;
C, blend: 121.05 kilograms, the first mixed granulation material that last process is obtained, 4 kilograms of polymeric amide, 4 kilograms of polycarbonate stir and within 13 minutes, obtain blend composition under normal temperature condition, the temperature of blend composition are controlled to 48 DEG C, for next procedure.
D, granulation: by the blend composition obtaining in step c twin screw extruder extruding pelletization, wherein the Heating temperature of twin screw extruder is 160 DEG C, machine barrel one district, two 185 DEG C, districts, three 195 DEG C, districts, four 200 DEG C, districts, five 190 DEG C, districts, 210 DEG C, head one district, 225 DEG C of mouth moulds, be 2 hours heat-up time, and engine speed is 13r/min, and pelletizing rotating speed is 5 times/second, coolant water temperature is 40 DEG C, and the 40 DEG C of confession next procedures that are cooled to of granulation material are extruded;
E, extrude: the blend granulation material single screw extrusion machine obtaining in steps d is prepared to PE, external diameter 250mm, minimum lamination wall thickness 1.7mm, the corrugated tube of minimum internal layer wall thickness 1.4mm, before start, first surge layer main frame and inner wall layer main frame barrel zone temperature are set as to 148 DEG C, machine barrel one district, two 173 DEG C, districts, three 181 DEG C, districts, four 194 DEG C, districts, five 197 DEG C, districts, six 200 DEG C, districts, 180 DEG C of flanges, excessively 200 DEG C, net, 190 DEG C of hot-plates, 185 DEG C, mould one district, two 186 DEG C, districts, three 188 DEG C, districts, four 185 DEG C, districts, five 200 DEG C, districts, six 215 DEG C, districts, seven 185 DEG C, districts, eight 195 DEG C, districts, heat start after 2 hours, main-machine screw rotating speed 10r/min, electric current 58A, head pressure 4.0Mpa, water tank vacuum tightness 0.018Mpa, pulling speed 0.7m/min.
The performance test results is in table 1.
Embodiment 3
Comparative example 1
To with the prepared external diameter of embodiment 1 be that performance test is carried out in the existing commercially available prod that dn400mmPE corrugated tube has a same size, test result is in table 1.
Comparative example 2
To with the prepared external diameter of embodiment 2 be that performance test is carried out in the existing commercially available prod that 250mmPE corrugated tube has a same size, test result is in table 1.
Table 1

Claims (12)

1. polyethylene corrugated tubing, is characterized in that counting by weight, consists of following manner following component:
By 75～100 parts of polyethylene, 5～25 parts of polypropylene, 0.5～15 part of expanding material, 0.5～25 part of rigidity masterbatch, 0.05～1.5 part of oxidation inhibitor, 0.02～1.5 part of photostabilizer, 0.05～5 part of photomask agent, 0.5～10 part of nano material carries out just mixing, and after stirring, granulation obtains just mixed granulation material; To just mix granulation material again and 2～15 parts of engineering plastics carry out blend, after stirring, granulation obtains blend granulation material, then by the extrusion moulding of blend granulation material.
2. polyethylene corrugated tubing according to claim 1, is characterized in that described polyethylene is at least one in ultrahigh molecular weight polyethylene(UHMWPE), high density polyethylene(HDPE), medium-density polyethylene, Low Density Polyethylene, linear low density polyethylene, heat-proof polythene.
3. polyethylene corrugated tubing according to claim 2, is characterized in that described heat-proof polythene is at least one in ethylene-octene copolymer, ethene-hexene copolymer.
4. polyethylene corrugated tubing according to claim 1, is characterized in that described polypropylene is at least one in Atactic Polypropelene, syndiotactic polypropylene, isotatic polypropylene, hemiisotactic polypropylene, stereoblock polypropylene, alpha modification polypropylene, β modified polypropene, γ modified polypropene.
5. polyethylene corrugated tubing according to claim 1, is characterized in that described engineering plastics are at least one in polyoxymethylene, acrylonitrile-butadiene-phenylethylene multipolymer, polycarbonate and polymeric amide.
6. polyethylene corrugated tubing according to claim 1, it is characterized in that described expanding material is ethylene-vinyl acetate copolymer, styrene-maleic anhydride copolymer, acrylonitrile-butadiene-styrene copolymer, ethylene-propylene copolymer, macromole silane coupling agent, macromole aluminium titanium coupling agent, macromole titanate coupling agent, polypropylene-caprolactone graft copolymer, polypropylene-phenylethene grafted copolymer, polypropylene-methacrylic acid ester graft copolymer, polypropylene-acrylonitrile graft copolymer, glycidyl methacrylate radiation grafting ethylene copolymer, maleic anhydride grafted ethene multipolymer, 1-chloro-4-methyl-benzene grafted ethylene copolymer, at least one in acrylic acid epoxy ester grafted ethylene copolymer.
7. polyethylene corrugated tubing according to claim 1, is characterized in that described rigidity masterbatch is at least one in calcium carbonate, talcum powder, potter's clay, silicon-dioxide, mica, quartz sand, glass, whisker, titanium dioxide.
8. polyethylene corrugated tubing according to claim 1, is characterized in that described antioxidant is at least one in phosphorous acid oxidation inhibitor, sulfuric acid oxidation inhibitor, phenolic antioxidant.
9. polyethylene corrugated tubing according to claim 1, is characterized in that described photostabilizer is at least one in benzophenone, benzene potassium acid esters, benzotriazole, salicylate, dithiocarbamic acid nickel salt, thiobisphenol, phosphate monoester nickel, hindered amine, zinc oxide, ferric oxide.
10. polyethylene corrugated tubing according to claim 1, is characterized in that described photomask agent is that black wood charcoal is black, at least one in white carbon black, titanium dioxide, gray paint, yellow ultramarine, red pigment, green pigment, blue pigments, veridian, violet pigment.
11. polyethylene corrugated tubing according to claim 1, is characterized in that described nano material is at least one in nanometer titanium dioxide, nano-calcium carbonate, nano silicon, nanomete talc powder.
12. according to the preparation method of polyethylene corrugated tubing described in the arbitrary claim of claim 1～11, it is characterized in that comprising the following steps:
A. just mixed: proportioning by weight, by polyethylene, polypropylene, expanding material, rigidity masterbatch, oxidation inhibitor, photostabilizer, photomask agent, nano material stir and form just batch mixing;
B. granulation: the first batch mixing extruding granulator granulation obtaining in step 1 is obtained to just mixed granulation material, wherein the Heating temperature of extruding granulator is 140～160 DEG C, machine barrel one district, two 170～185 DEG C, districts, three 180～195 DEG C, districts, four 185～200 DEG C, districts, five 190～210 DEG C, districts, 180～210 DEG C, head one district, 190～225 DEG C of mouth moulds, be 1.5～2.5 hours heat-up time; Engine speed is 1～25r/min, and pelletizing rotating speed is 1～15 time/second; Coolant water temperature is 20～45 DEG C;
C. blend: by ratio of weight and the number of copies, add engineering plastics and just mixed granulation material blend to obtain blend composition;
D. granulation: the blend composition obtaining in step 3 is prepared to blend granulation material with extruding granulator, wherein the Heating temperature of extruding granulator is 140～160 DEG C, machine barrel one district, two 170～185 DEG C, districts, three 180～195 DEG C, districts, four 185～200 DEG C, districts, five 190～210 DEG C, districts, 180～210 DEG C, head one district, 190～225 DEG C of mouthful moulds, be 1.5～2.5 hours heat-up time, engine speed is 1～25r/min, and pelletizing rotating speed is 1～15 time/second, and coolant water temperature is 20～45 DEG C;
E. extrude: the blend granulation material that above-mentioned steps 4 is obtained is extruded and obtained polytene corrugated tube through single screw extrusion machine or twin screw extruder, wherein surge layer main frame and inner wall layer main frame Heating temperature are 140～160 DEG C, forcing machine one district, two 170～185 DEG C, districts, three 175～190 DEG C, districts, four 180～220 DEG C, districts, five 185～220 DEG C, districts, six 190～235 DEG C, districts, 140～200 DEG C of flanges, excessively 175～220 DEG C, net, 180～220 DEG C of hot-plates, mould 1 district 180～-195 DEG C, 180～195 DEG C, mould 2nd district, 185～195 DEG C, mould 3rd district, 182～200 DEG C, mould 4th district, 185～210 DEG C, mould 5th district, 185～220 DEG C, mould 6th district, 170～190 DEG C, mould 7th district, 175～195 DEG C, mould 8th district, be 2～3 hours heat-up time, and main-machine screw degree of turning is 10～100r/min, and electric current is 40～180A, and head pressure is 3～20Mpa, and tank pressure is 0.01～0.05Mpa, and pulling speed is 0.1～8m/min.
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CN112063031A (en) * 2020-09-15 2020-12-11 江西龙正科技发展有限公司 HDPE steel strip spiral pipe and preparation method thereof
CN112300476A (en) * 2020-11-20 2021-02-02 刘金平 Uvioresistant polyethylene composite material and preparation process thereof
CN112409673A (en) * 2020-11-21 2021-02-26 武汉升瑞通管业有限公司 High-corrosion-resistance PE (polyethylene) blow-off pipe and production method thereof
CN112457551A (en) * 2020-11-17 2021-03-09 江阴市新艺彩印包装有限公司 Laser anti-counterfeiting packaging material and preparation process thereof
CN114409986A (en) * 2021-12-28 2022-04-29 浙江中财型材有限责任公司 HDPE corrugated pipe and preparation method thereof
CN115352156A (en) * 2022-09-02 2022-11-18 上海紫华薄膜科技有限公司 Low-gram-weight high-strength cast film and preparation method thereof
CN115895081A (en) * 2022-10-25 2023-04-04 泉州兴源新材料科技有限公司 Preparation process of high-performance corrugated pipe

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