CN104534187B - A kind of fiber reinforced thermolplastic compound pipeline complex pipeline and preparation technology thereof - Google Patents

A kind of fiber reinforced thermolplastic compound pipeline complex pipeline and preparation technology thereof Download PDF

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CN104534187B
CN104534187B CN201410804537.3A CN201410804537A CN104534187B CN 104534187 B CN104534187 B CN 104534187B CN 201410804537 A CN201410804537 A CN 201410804537A CN 104534187 B CN104534187 B CN 104534187B
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fiber
preparation
pipeline
auxiliary agent
master batch
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CN104534187A (en
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马会凯
陈海波
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Jiangsu run Pipe Co., Ltd.
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QUANZHOU QUANGANG HUABO CHEMICAL SCIENCE & TECHNOLOGY Co Ltd
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    • 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
    • F16L9/00—Rigid pipes
    • F16L9/12—Rigid pipes of plastics with or without reinforcement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D23/00—Producing tubular articles
    • 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
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
    • 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
    • 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
    • C08K3/34—Silicon-containing compounds
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/098—Metal salts of carboxylic acids
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/101—Esters; Ether-esters of monocarboxylic acids
    • C08K5/103—Esters; Ether-esters of monocarboxylic acids with polyalcohols
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/20—Carboxylic acid amides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • 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
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08L27/18—Homopolymers or copolymers or tetrafluoroethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • 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
    • F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
    • 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
    • F16L9/00—Rigid pipes
    • F16L9/12—Rigid pipes of plastics with or without reinforcement
    • F16L9/121—Rigid pipes of plastics with or without reinforcement with three layers

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The invention discloses a kind of fiber reinforced thermolplastic compound pipeline complex pipeline and preparation technology thereof, this compound pipeline complex pipeline includes inner liner, fiber-reinforced layer and extexine, described inner liner is identical with the material of extexine, formed by the preparation of raw material of following weight portion: polypropylene 170 180, politef 20 28, linoleic acid 10 12, dibutyitin maleate 34, barium stearate 46, wollastonite 23, white carbon 57, barium sulfate 13, hydrocarbyl phosphate 79, EP rubbers 35, glyceryl monostearate 57, silane coupler 68, dioctyl adipate 45, phosphite ester kind antioxidant 23, titanium oxide fine powder 46, auxiliary agent master batch 10 12.Tubing of the present invention has higher hot strength, bending strength, high-modulus and high impact resistance, and the preparation method of tubing of the present invention is simple, easily operates, by the difference of pipe mold, can prepare the pipe fitting demand with satisfied society of different size difference purposes.

Description

A kind of fiber reinforced thermolplastic compound pipeline complex pipeline and preparation technology thereof
Technical field
The invention belongs to technical field of polymer materials, be specifically related to a kind of fiber reinforced thermolplastic compound pipeline complex pipeline and system thereof Standby technique.
Background technology
Along with the continuous exploitation constantly expanding construction and oil and natural gas in city, to the demand of transport pipeline also Increasing.Traditional steel pipe corrosion resistance is poor and is difficult to carrying, cannot adapt to current needs；Particularly oil Carrier, owing to oil viscosity is higher, needs when transport to build heating tank to pipeline heating, lifting stone every several kilometers Oil temperature, could improve oil flow, it is ensured that transporting petroleum smoothly, but this can cause cost of transportation to remain high undoubtedly. Meanwhile, the main petroleum and natural gas of China is distributed in desert, marsh or mountain area more, and natural environment is more severe, lays steel pipe During road affected by a natural extremely serious, make conveyance conduit the easiest due to the reason such as surface subsidence, landslide again Occur damaging phenomenon.Continuous fiber reinforced thermoplastic composite material is little due to its density, and intensity is high, has the mechanicalness of excellence Can, such as high hot strength, bending strength, high-modulus and high impact resistance etc..In addition it also has good processing characteristics And well chemical-resistant stability energy and heat resistance, still can use steadily in the long term in some complex environments, because of This is widely applied.
Summary of the invention
It is an object of the invention to provide a kind of fiber reinforced thermolplastic compound pipeline complex pipeline and preparation technology thereof.
For reaching above-mentioned purpose, the technical solution used in the present invention is:
A kind of fiber reinforced thermolplastic compound pipeline complex pipeline, including inner liner, fiber-reinforced layer and extexine, described inner liner Identical with the material of extexine, the preparation of raw material of following weight portion form: polypropylene 170-180, politef 20-28, Linoleic acid 10-12, dibutyitin maleate 3-4, barium stearate 4-6, wollastonite 2-3, white carbon 5-7, barium sulfate 1-3, hydrocarbon Base phosphoric acid 7-9, EP rubbers 3-5, glyceryl monostearate 5-7, silane coupler 6-8, dioctyl adipate 4-5, phosphorous acid Esters antioxidant 2-3, titanium oxide fine powder 4-6, auxiliary agent master batch 10-12；
Described auxiliary agent master batch is prepared by the raw materials in: kymene 0-36, tetramethylolmethane Stearyl Amine 2-4, list Tristerin 6-8, zinc oxide 5-6, Kaolin 4-5, Dythal 2-3, titanium dioxide 3-5, ethylene are double Stearoylketene amine 3-4, Dodecanoic acid, zinc salt 4-6, ethylene glycol fat 7-9, high density polyethylene (HDPE) 6-8, antioxidant CA 2-4；
The preparation method of described auxiliary agent master batch is as follows: divide grinding 30-40 after zinc oxide, Kaolin, titanium dioxide mixing Clock, adds other residual components, inputs in comminutor, melt extrude pelletize in high-speed kneading machine after mediating 50-60 minute, Obtain required auxiliary agent master batch.
Described fiber-reinforced layer is that continuous fiber impregnated tape cross-helicity is entwined.
The preparation method of described continuous fiber impregnated tape is: 65%-80% glass fibre and 20%-35% polyolefin are existed Co-extrusion at 190-220 DEG C, roll and draw after obtain.
The preparation technology of a kind of fiber reinforced thermolplastic compound pipeline complex pipeline, comprises the following steps:
(1) add the heating of high-speed kneading machine after being mixed by the various raw materials preparing inner liner and outer surface layer to mediate, mediate Temperature is 160-180 DEG C, then mixes cold for raw material to temperature less than sending into after 40 DEG C in two extrusion shaping machines, adjusts parameter, Obtain the thermoplastic pipes of two kinds of different inner diameters；
(2) internal lining pipe obtained is fixed on and with the winding of axial-rotation mechanically vinyl tube can be enable to make Axially-movable at the uniform velocity, coats PUR at its outer surface, then after continuous fiber impregnated tape is preheated at the uniform velocity be wrapped in poly-in On bushing pipe outer tube wall；
(3) reusable heat melten gel is coated in the outer surface of fiber-reinforced layer, then extexine pipe is inserted on fiber-reinforced layer, then Whole multiple tube is heated, at a temperature of 70-90 DEG C, curing 1-2 hour, i.e. obtains fiber reinforced thermolplastic after cooling multiple Close pipe.
Beneficial effects of the present invention:
Tubing of the present invention is by inner liner, fiber-reinforced layer and extexine composite molding, and its intensity is good, toughness is high, The inside and outside two-layer of tubing is coated with modified polypropylene material, has higher hot strength, bending strength, high-modulus and high-impact Hitting performance, the preparation method of tubing of the present invention is simple, easily operates, and by the difference of pipe mold, can prepare different size different The pipe fitting of purposes is with the demand of satisfied society.
Detailed description of the invention
Below in conjunction with specific embodiment, technical scheme of the present invention is further described.
Embodiment 1:
A kind of fiber reinforced thermolplastic compound pipeline complex pipeline, including inner liner, fiber-reinforced layer and extexine, described inner liner Identical with the material of extexine, the preparation of raw material of following weight portion (kg) form: polypropylene 170, politef 20, Caulis et Folium Lini Oleic acid 10, dibutyitin maleate 3, barium stearate 4, wollastonite 2, white carbon 5, barium sulfate 1, hydrocarbyl phosphate 7, EP rubbers 3, Glyceryl monostearate 5, silane coupler 6, dioctyl adipate 4, phosphite ester kind antioxidant 2, titanium oxide fine powder 4, auxiliary agent Master batch 10；Described auxiliary agent master batch is made up of the raw material of following weight portion (kg): kymene 0, tetramethylolmethane Stearyl Amine 2, list are hard Glycerol 6, zinc oxide 5, Kaolin 4, Dythal 2, titanium dioxide 3, ethylene bis stearic amide 3, the moon Cinnamic acid zinc 4, ethylene glycol fat 7, high density polyethylene (HDPE) 6, antioxidant CA 2；Preparation method is: by zinc oxide, Kaolin, titanium dioxide Grind 30-40 minute after titanium mixing, add other residual components, input after mediating 50-60 minute in high-speed kneading machine and make In grain machine, melt extrude pelletize, obtain required auxiliary agent master batch.
Described fiber-reinforced layer is that continuous fiber impregnated tape cross-helicity is entwined.
The preparation method of described continuous fiber impregnated tape is: 65%-80% glass fibre and 20%-35% polyolefin are existed Co-extrusion at 190-220 DEG C, roll and draw after obtain.
The preparation technology of a kind of fiber reinforced thermolplastic compound pipeline complex pipeline, comprises the following steps:
(1) add the heating of high-speed kneading machine after being mixed by the various raw materials preparing inner liner and outer surface layer to mediate, mediate Temperature is 160-180 DEG C, then mixes cold for raw material to temperature less than sending into after 40 DEG C in two extrusion shaping machines, adjusts parameter, Obtain the thermoplastic pipes of two kinds of different inner diameters；
(2) internal lining pipe obtained is fixed on and with the winding of axial-rotation mechanically vinyl tube can be enable to make Axially-movable at the uniform velocity, coats PUR at its outer surface, then after continuous fiber impregnated tape is preheated at the uniform velocity be wrapped in poly-in On bushing pipe outer tube wall；
(3) reusable heat melten gel is coated in the outer surface of fiber-reinforced layer, then extexine pipe is inserted on fiber-reinforced layer, then Whole multiple tube is heated, at a temperature of 70-90 DEG C, curing 1-2 hour, i.e. obtains fiber reinforced thermolplastic after cooling multiple Close pipe.
Embodiment 2:
A kind of fiber reinforced thermolplastic compound pipeline complex pipeline, including inner liner, fiber-reinforced layer and extexine, described inner liner Identical with the material of extexine, the preparation of raw material of following weight portion (kg) form: polypropylene 175, politef 24, Caulis et Folium Lini Oleic acid 11, dibutyitin maleate 3.5, barium stearate 5, wollastonite 2.5, white carbon 6, barium sulfate 2, hydrocarbyl phosphate 8, second the third rubber Glue 4, glyceryl monostearate 6, silane coupler 7, dioctyl adipate 4.5, phosphite ester kind antioxidant 2.5, titanium oxide are micro- Powder 5, auxiliary agent master batch 11；Described auxiliary agent master batch is made up of the raw material of following weight portion (kg): kymene 3, tetramethylolmethane stearic acid Amine 3, glyceryl monostearate 7, zinc oxide 5.5, Kaolin 4.5, Dythal 2.5, titanium dioxide 4, ethylene Double stearoylketene amine 3.5, Dodecanoic acid, zinc salt 5, ethylene glycol fat 8, high density polyethylene (HDPE) 7, antioxidant CA 3；Preparation method is: will oxidation Grind 30-40 minute after the mixing of zinc, Kaolin, titanium dioxide, add other residual components, mediate in high-speed kneading machine Input in comminutor after 50-60 minute, melt extrude pelletize, obtain required auxiliary agent master batch.
Described fiber-reinforced layer is that continuous fiber impregnated tape cross-helicity is entwined.
The preparation method of described continuous fiber impregnated tape is: 65%-80% glass fibre and 20%-35% polyolefin are existed Co-extrusion at 190-220 DEG C, roll and draw after obtain.
Preparation technology is with embodiment 1.
Embodiment 3:
A kind of fiber reinforced thermolplastic compound pipeline complex pipeline, including inner liner, fiber-reinforced layer and extexine, described inner liner Identical with the material of extexine, the preparation of raw material of following weight portion (kg) form: polypropylene 180, politef 28, Caulis et Folium Lini Oleic acid 12, dibutyitin maleate 4, barium stearate 6, wollastonite 3, white carbon 7, barium sulfate 3, hydrocarbyl phosphate 9, EP rubbers 5, Glyceryl monostearate 7, silane coupler 8, dioctyl adipate 5, phosphite ester kind antioxidant 3, titanium oxide fine powder 6, auxiliary agent Master batch 12；Described auxiliary agent master batch is made up of the raw material of following weight portion (kg): kymene 6, tetramethylolmethane Stearyl Amine 4, list are hard Glycerol 8, zinc oxide 6, Kaolin 5, Dythal 3, titanium dioxide 5, ethylene bis stearic amide 4, the moon Cinnamic acid zinc 6, ethylene glycol fat 9, high density polyethylene (HDPE) 8, antioxidant CA 4；Preparation method is: by zinc oxide, Kaolin, titanium dioxide Grind 30-40 minute after titanium mixing, add other residual components, input after mediating 50-60 minute in high-speed kneading machine and make In grain machine, melt extrude pelletize, obtain required auxiliary agent master batch.
Described fiber-reinforced layer is that continuous fiber impregnated tape cross-helicity is entwined.
The preparation method of described continuous fiber impregnated tape is: 65%-80% glass fibre and 20%-35% polyolefin are existed Co-extrusion at 190-220 DEG C, roll and draw after obtain.
Preparation technology is with embodiment 1.
The performance test results of the fiber reinforced thermolplastic compound pipeline complex pipeline that embodiment 1-3 prepares is as shown in the table:
Embodiment 1 Embodiment 2 Embodiment 3
Fire resistance V-0 V-0 V-0
Hot strength, Mpa 368 425 453
Elongation at break, % 238 256 263
Notch impact strength, KJ/ 20.8 19.5 22.4
Sheet resistance, Ω 1.4×105 3.7×105 8.5×104

Claims (3)

1. a fiber reinforced thermolplastic compound pipeline complex pipeline, including inner liner, fiber-reinforced layer and extexine, it is characterised in that Described inner liner is identical with the material of extexine, the preparation of raw material of following weight portion form: polypropylene 170-180, polytetrafluoro Ethylene 20-28, linoleic acid 10-12, dibutyitin maleate 3-4, barium stearate 4-6, wollastonite 2-3, white carbon 5-7, sulfur Acid barium 1-3, hydrocarbyl phosphate 7-9, EP rubbers 3-5, glyceryl monostearate 5-7, silane coupler 6-8, dioctyl adipate 4-5, phosphite ester kind antioxidant 2-3, titanium oxide fine powder 4-6, auxiliary agent master batch 10-12；
Described auxiliary agent master batch is prepared by the raw materials in: kymene 0-36, tetramethylolmethane Stearyl Amine 2-4, single tristearin The double hard ester of acid glyceride 6-8, zinc oxide 5-6, Kaolin 4-5, Dythal 2-3, titanium dioxide 3-5, ethylene Amide 3-4, Dodecanoic acid, zinc salt 4-6, ethylene glycol fat 7-9, high density polyethylene (HDPE) 6-8, antioxidant CA 2-4；
The preparation method of described auxiliary agent master batch is as follows: grind 30-40 minute after zinc oxide, Kaolin, titanium dioxide mixing, then Add other residual components, input in comminutor after mediating 50-60 minute in high-speed kneading machine, melt extrude pelletize, to obtain final product Required auxiliary agent master batch.
A kind of fiber reinforced thermolplastic compound pipeline complex pipeline the most according to claim 1, it is characterised in that described fiber reinforcement Layer is entwined for continuous fiber impregnated tape cross-helicity.
A kind of fiber reinforced thermolplastic compound pipeline complex pipeline the most according to claim 2, it is characterised in that described continuous fiber The preparation method of impregnated tape is: by 65%-80% glass fibre and 20%-35% polyolefin at 190-220 DEG C co-extrusion, roll and lead Obtain after drawing.
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CN106813017A (en) * 2015-11-28 2017-06-09 福建中管机电科技有限公司 Total head is prolonged fine melt and connects reinforcing fiber thermoplastic plastic composite pressure pipe and preparation method thereof
CN106917922A (en) * 2015-12-24 2017-07-04 天津安纳赛能源科技有限公司 A kind of flexible compound internal lining pipe and its production technology
CN107056551B (en) * 2017-06-02 2018-04-17 哈尔滨华美亿丰复合材料有限公司 Crouch rotating continuous biological fermentation equipment
CN107698908A (en) * 2017-10-30 2018-02-16 贵州德江韫韬科技有限责任公司 A kind of thermoplastic composite tube and preparation method thereof
CN109318515A (en) * 2018-10-19 2019-02-12 吴政轩 A kind of production method of plastic tube
CN109458498B (en) * 2018-12-25 2024-02-27 浙江鸿盛新材料科技集团股份有限公司 High-strength PTFE composite pipe and preparation method thereof
CN110818984A (en) * 2019-11-15 2020-02-21 冯彦林 Plastic composite pipe and preparation method thereof

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聚四氟乙烯对聚丙烯复合材料等通道转角挤压加工性的影响;李红 等;《润滑与密封》;20051130(第6期);第42-44页 *

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