CN107686585A - A kind of processing technology of resistance to compression PE bellowss - Google Patents

A kind of processing technology of resistance to compression PE bellowss Download PDF

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Publication number
CN107686585A
CN107686585A CN201710821411.0A CN201710821411A CN107686585A CN 107686585 A CN107686585 A CN 107686585A CN 201710821411 A CN201710821411 A CN 201710821411A CN 107686585 A CN107686585 A CN 107686585A
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resistance
compression
parts
processing technology
bellowss
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CN201710821411.0A
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Chinese (zh)
Inventor
徐红军
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Jiangsu Hui Feng Plastic Co Ltd
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Jiangsu Hui Feng Plastic Co Ltd
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Priority to CN201710821411.0A priority Critical patent/CN107686585A/en
Publication of CN107686585A publication Critical patent/CN107686585A/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/11—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0462—Tubings, i.e. having a closed section
    • H02G3/0468—Corrugated
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G9/00—Installations of electric cables or lines in or on the ground or water
    • H02G9/04—Installations of electric cables or lines in or on the ground or water in surface ducts; Ducts or covers therefor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G9/00—Installations of electric cables or lines in or on the ground or water
    • H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
    • 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
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • 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
    • C08K2201/002—Physical properties
    • C08K2201/003—Additives being defined by their diameter
    • 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
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/062—HDPE

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a kind of processing technology of resistance to compression PE bellowss, bellows after processing is double-decker, internal layer is constant, outer layer has selected HDPE powder, feldspar powder, Boccaro shale is as major ingredient, milled using ripening at low temperature+high temperature+the preparation method of insulated curing, raw material is fine and closely woven uniformly, improve the plasticity of raw material, mobility and cementability, bellows superficies after extrusion are smooth, ring stiffness is high, it is wear-resistant, and deflection degree is good, service life is grown, the present invention does not need initiator, solvent, new method is provided for production PE bellowss, reduce cost, and reduce environmental pollution.

Description

A kind of processing technology of resistance to compression PE bellowss
Technical field
The invention belongs to Bellows Technology field, and in particular to a kind of processing technology of resistance to compression PE bellowss.
Background technology
The plastic protective sleeve pipe of PE bellowss, i.e. polyethylene material extrusion molding, because its inside and outside be it is annular corrugated again Bellows is, due to its excellent performance and the cost of relatively economical, great promotion and application are had been obtained in China, is used Make drainpipe, sewage pipe, buried cable pipe, agricultural drainage and irrigation pipe, Cable protecting tube etc., there is good low temperature resistant, anti-impact Performance is hit, the features such as wearability is good, still, the greatest problem for perplexing heavy caliber bellows at present is that ring stiffness is low（Ring stiffness is Weigh the numerical indication of tubing critical external compressive resistance load capacity）, due to raw material and preparation method, the most imperial palace of present bellows Footpath is 710 mm, in order to meet market demands, develops the bellows of larger diameter, it is necessary to improve preparation method and raw material Configuration.
The content of the invention
To solve the above problems, the invention discloses a kind of processing technology of resistance to compression PE bellowss, ring stiffness is high, deflection degree Good, cheap, wear-resistant, service life length;
To reach above-mentioned purpose, technical scheme is as follows：
A kind of processing technology of resistance to compression PE bellowss, it is characterised in that：Comprise the following steps：
（1）Prepare raw material：It is prepared by the raw material of following parts by weight：
HDPE powder：100-115 parts, feldspar powder：10-16 parts, Boccaro shale：5-9 parts, ultra-violet absorber：1-2 parts, lubrication Agent：3-5 parts, antioxidant：1-2 parts, colouring agent：1-3 parts；
（2）Boccaro shale is subjected to break process, broken rear particle size control removes iron block in 1-4mm, electromagnetism；
（3）Boccaro shale particle and feldspar powder are mixed into 6-8h, during which continuous spraying and moisturizing, 10-15 DEG C of keeping temperature, pressure Power 2-3MPa；
（4）By step（3）Mixture mixed with the HDPE powder of 1/3-1/4 weight, be heated to 190-200 DEG C, ground with press Mixture 15-25min is ground, adds ultra-violet absorber, 1/2 weight lubricant, antioxidant, colouring agent, temperature after stirring 105-115 DEG C is dropped to, is incubated 70-90min；
（5）Remaining HDPE powder is stirred with lubricant；
（6）By step（4）With step（5）Material add double screw extruder in, extruder operating temperature be 170-200 DEG C, Extrude bellows, step（4）The corrugated outer tube layer of material shape, step（5）The corrugated inner tube layer of material shape;
Step（1）Described HDPE powder particle sizes are 5-10 μm;
Step（1）Described feldspar powder particle size is 45-60 μm;
Step（1）Described ultra-violet absorber is carbon black;
Step（1）Described lubricant includes Tissuemat E, zinc stearate, EVA, paraffin one of which or several;
Step（1）Described antioxidant includes 2,6- di-t-butyls to phenol, 3- propionic acid stearyl, 1,1,3- tri- butane, sulphur For dipropionic acid dilauryl ester, TNPP tri n pentyl phosphate one of which or several;
Step（4）Described press is 100-150T press;
The bellows outer layer thickness is the 1/2-1/3 of internal layer thickness;
The beneficial effects of the invention are as follows：
A kind of processing technology of resistance to compression PE bellowss of the present invention, the bellows after processing is double-decker, and internal layer is constant, Outer layer has selected different raw material, from HDPE powder, feldspar powder, Boccaro shale as major ingredient, using ripening at low temperature+high temperature To mill+the preparation method of insulated curing, not only ring stiffness is high for ripple outer tube layer, wear-resistant, and deflection degree is good, cheap, Service life is grown;
The present invention adds the Boccaro shale of 5-9 parts in raw material, Boccaro shale be it is a kind of using clay mineral as key component half Diagenesis, iron-holder is higher and containing the composition of a great deal of flour sand level, and there are many small stomatas on its surface, mixes and adds with feldspar powder Pressure carries out ripening at low temperature, and feldspar powder powder is adhered in stomata and Boccaro shale surface forms mixture, after being milled by press, Mixture becomes broken and attenuated, and the HDPE then heated fills up the various spaces of stomata as polymer body, in continuous mill processes In, HDPE powder, feldspar powder, Boccaro shale are closely merged, and then temperature drops to 105-115 DEG C, are incubated 70-90min, Various substance ions exchange the more abundant of progress, improve the plasticity of raw material, make raw material fine and closely woven uniformly, improve mobility and bonding Property, not only ring stiffness is high for the ripple outer tube layer after extrusion, and raw material surface is smooth, wear-resistant, and deflection degree is good, has tough Property, service life length, low in raw material price reduces cost, and a kind of processing technology of resistance to compression PE bellowss of the present invention is not Initiator, solvent are needed, new method is provided for production PE bellowss, reduces cost, and reduce environmental pollution.
Embodiment
Embodiment 1
A kind of processing technology of resistance to compression PE bellowss described in the present embodiment, comprises the following steps：
（1）Prepare raw material：It is prepared by the raw material of following parts by weight：
HDPE powder：108 parts, feldspar powder：13 parts, Boccaro shale：7 parts, ultra-violet absorber：1 part, lubricant：4 parts, antioxygen Agent：2 parts, colouring agent：2 parts；Described HDPE powder particle sizes are 8 μm, and described feldspar powder particle size is 50 μm, described Ultra-violet absorber be carbon black, described lubricant is Tissuemat E, and described antioxidant is 2,6- di-t-butyls to phenol, 3- The mixture of propionic acid stearyl each 50%；
（2）Boccaro shale is subjected to break process, broken rear particle size control removes iron block in 3mm, electromagnetism；
（3）Boccaro shale particle and feldspar powder are mixed into 7h, during which continuous spraying and moisturizing, 13 DEG C of keeping temperature, pressure 3MPa；
（4）By step（3）Mixture mixed with the HDPE powder of 2/7 weight, be heated to 195 DEG C, milled with 100T press mixed Compound 20min, ultra-violet absorber, 1/2 weight lubricant are added, antioxidant, colouring agent, temperature drops to 110 after stirring DEG C, it is incubated 80min；
（5）Remaining HDPE powder is stirred with lubricant；
（6）By step（4）With step（5）Material add double screw extruder in, extruder operating temperature be 185 DEG C, extrusion Bellows, step（4）The corrugated outer tube layer of material shape, step（5）The corrugated inner tube layer of material shape;
The smooth in appearance of PE bellowss described in the present embodiment, uniform color, inside and outside wall is without scuffing, bubble, breach, lump, outside Thickness degree is the 41% of internal layer thickness, meets GB/T 14152《The resistance to outer impact property test method of thermoplastic plastic pipe》Mark Standard, ring stiffness are more than 8KN/M2;
Embodiment 2
A kind of processing technology of resistance to compression PE bellowss described in the present embodiment, comprises the following steps：
（1）Prepare raw material：It is prepared by the raw material of following parts by weight：
HDPE powder：100 parts, feldspar powder：16 parts, Boccaro shale：5 parts, ultra-violet absorber：2 parts, lubricant：3 parts, antioxygen Agent：2 parts, colouring agent：1 part；Described HDPE powder particle sizes are 10 μm, and described feldspar powder particle size is 45 μm, institute The ultra-violet absorber stated is carbon black, and described lubricant is zinc stearate, EVA each 50% mixture, and described antioxidant is 1,1,3- tri- butane；
（2）Boccaro shale is subjected to break process, broken rear particle size control removes iron block in 4mm, electromagnetism；
（3）Boccaro shale particle and feldspar powder are mixed into 6h, during which continuous spraying and moisturizing, 15 DEG C of keeping temperature, pressure 2MPa；
（4）By step（3）Mixture mixed with the HDPE powder of 1/3 weight, be heated to 190 DEG C, milled with 150T press mixed Compound 15min, ultra-violet absorber, 1/2 weight lubricant are added, antioxidant, colouring agent, temperature drops to 115 after stirring DEG C, it is incubated 70min；
（5）Remaining HDPE powder is stirred with lubricant；
（6）By step（4）With step（5）Material add double screw extruder in, extruder operating temperature be 200 DEG C, extrusion Bellows, step（4）The corrugated outer tube layer of material shape, step（5）The corrugated inner tube layer of material shape;
The smooth in appearance of PE bellowss described in the present embodiment, uniform color, inside and outside wall is without scuffing, bubble, breach, lump, outside Thickness degree is the 35% of internal layer thickness, meets GB/T 14152《The resistance to outer impact property test method of thermoplastic plastic pipe》Mark Standard, ring stiffness are more than 7KN/M2;
Embodiment 3
A kind of processing technology of resistance to compression PE bellowss described in the present embodiment, comprises the following steps：
（1）Prepare raw material：It is prepared by the raw material of following parts by weight：
HDPE powder：115 parts, feldspar powder：10 parts, Boccaro shale：9 parts, ultra-violet absorber：1 part, lubricant：5 parts, antioxygen Agent：1 part, colouring agent：3 parts；Described HDPE powder particle sizes are 5 μm, and described feldspar powder particle size is 60 μm, described Ultra-violet absorber be carbon black, described lubricant is paraffin, and described antioxidant is thiodipropionate dilauryl, phosphorus Sour triamyl is with 4:6 weight than mixture；
（2）Boccaro shale is subjected to break process, broken rear particle size control removes iron block in 1mm, electromagnetism；
（3）Boccaro shale particle and feldspar powder are mixed into 8h, during which continuous spraying and moisturizing, 10 DEG C of keeping temperature, pressure 3MPa；
（4）By step（3）Mixture mixed with the HDPE powder of 1/4 weight, be heated to 200 DEG C, milled with 100T press mixed Compound 25min, ultra-violet absorber, 1/2 weight lubricant are added, antioxidant, colouring agent, temperature drops to 105 after stirring DEG C, it is incubated 90min；
（5）Remaining HDPE powder is stirred with lubricant；
（6）By step（4）With step（5）Material add double screw extruder in, extruder operating temperature be 170 DEG C, extrusion Bellows, step（4）The corrugated outer tube layer of material shape, step（5）The corrugated inner tube layer of material shape;
The smooth in appearance of PE bellowss described in the present embodiment, uniform color, inside and outside wall is without scuffing, bubble, breach, lump, outside Thickness degree is the 48% of internal layer thickness, meets GB/T 14152《The resistance to outer impact property test method of thermoplastic plastic pipe》Mark Standard, ring stiffness are more than 8.5KN/M2。

Claims (8)

  1. A kind of 1. processing technology of resistance to compression PE bellowss, it is characterised in that：Comprise the following steps：
    （1）Prepare raw material：It is prepared by the raw material of following parts by weight：
    HDPE powder：100-115 parts, feldspar powder：10-16 parts, Boccaro shale：5-9 parts, ultra-violet absorber：1-2 parts, lubrication Agent：3-5 parts, antioxidant：1-2 parts, colouring agent：1-3 parts；
    （2）Boccaro shale is subjected to break process, broken rear particle size control removes iron block in 1-4mm, electromagnetism；
    （3）Boccaro shale particle and feldspar powder are mixed into 6-8h, during which continuous spraying and moisturizing, 10-15 DEG C of keeping temperature, Pressure 2-3MPa；
    （4）By step（3）Mixture mixed with the HDPE powder of 1/3-1/4 weight, be heated to 190-200 DEG C, ground with press Mixture 15-25min is ground, adds ultra-violet absorber, 1/2 weight lubricant, antioxidant, colouring agent, temperature after stirring 105-115 DEG C is dropped to, is incubated 70-90min；
    （5）Remaining HDPE powder is stirred with lubricant；
    （6）By step（4）With step（5）Material add double screw extruder in, extruder operating temperature be 170-200 DEG C, Extrude bellows, step（4）The corrugated outer tube layer of material shape, step（5）The corrugated inner tube layer of material shape.
  2. A kind of 2. processing technology of resistance to compression PE bellowss according to claim 1, it is characterised in that：Step（1）Described HDPE powder particle sizes are 5-10 μm.
  3. A kind of 3. processing technology of resistance to compression PE bellowss according to claim 1, it is characterised in that：Step（1）Described Feldspar powder particle size is 45-60 μm.
  4. A kind of 4. processing technology of resistance to compression PE bellowss according to claim 1, it is characterised in that：Step（1）Described Ultra-violet absorber is carbon black.
  5. A kind of 5. processing technology of resistance to compression PE bellowss according to claim 1, it is characterised in that：Step（1）Described Lubricant includes Tissuemat E, zinc stearate, EVA, paraffin one of which or several.
  6. A kind of 6. processing technology of resistance to compression PE bellowss according to claim 1, it is characterised in that：Step（1）Described Antioxidant includes 2,6- di-t-butyls to phenol, 3- propionic acid stearyl, 1,1,3- tri- butane, thiodipropionic acid dilauryl osmanthus base Ester, TNPP tri n pentyl phosphate one of which or several.
  7. A kind of 7. processing technology of resistance to compression PE bellowss according to claim 1, it is characterised in that：Step（4）Described Press is 100-150T press.
  8. A kind of 8. processing technology of resistance to compression PE bellowss according to claim 1, it is characterised in that：The ripple outer tube layer Thickness is the 1/2-1/3 of internal layer thickness.
CN201710821411.0A 2017-09-13 2017-09-13 A kind of processing technology of resistance to compression PE bellowss Pending CN107686585A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112225968A (en) * 2020-09-22 2021-01-15 临沂东立塑胶建材有限公司 Preparation method of corrosion-resistant PE (polyethylene) pipe

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Publication number Priority date Publication date Assignee Title
CN106750813A (en) * 2016-12-29 2017-05-31 浙江全球管业有限公司 A kind of HDPE double-wall corrugated pipes and preparation method thereof
CN106947142A (en) * 2017-04-09 2017-07-14 贵州枫叶管业有限公司 A kind of enhanced HDPE double-wall corrugated pipes and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106750813A (en) * 2016-12-29 2017-05-31 浙江全球管业有限公司 A kind of HDPE double-wall corrugated pipes and preparation method thereof
CN106947142A (en) * 2017-04-09 2017-07-14 贵州枫叶管业有限公司 A kind of enhanced HDPE double-wall corrugated pipes and preparation method thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
王贵恒: "《高分子材料成型加工原理》", 31 July 2016, 化学工业出版社 *
马铁成主编: "《陶瓷工艺学 第二版》", 31 August 2013, 中国轻工业出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112225968A (en) * 2020-09-22 2021-01-15 临沂东立塑胶建材有限公司 Preparation method of corrosion-resistant PE (polyethylene) pipe

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