CN106883519A - Composite pipe and its manufacture method based on atactic copolymerized polypropene - Google Patents

Composite pipe and its manufacture method based on atactic copolymerized polypropene Download PDF

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Publication number
CN106883519A
CN106883519A CN201710277614.8A CN201710277614A CN106883519A CN 106883519 A CN106883519 A CN 106883519A CN 201710277614 A CN201710277614 A CN 201710277614A CN 106883519 A CN106883519 A CN 106883519A
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China
Prior art keywords
atactic copolymerized
copolymerized polypropene
inner tube
composite pipe
outer tube
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CN201710277614.8A
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Chinese (zh)
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CN106883519B (en
Inventor
赵志全
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Sichuan Province Chuan Hui Plastic Cement Co Ltd
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Sichuan Province Chuan Hui Plastic Cement Co Ltd
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Priority to CN201710277614.8A priority Critical patent/CN106883519B/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions 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
    • C08L23/10Homopolymers or copolymers of propene
    • C08L23/14Copolymers of propene
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00Rigid pipes
    • F16L9/12Rigid pipes of plastics with or without reinforcement
    • F16L9/133Rigid pipes of plastics with or without reinforcement the walls consisting of two layers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/18Applications used for pipes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00Properties characterising the ingredient of the composition
    • C08L2207/10Peculiar tacticity
    • C08L2207/14Amorphous or atactic polypropylene

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

Abstract

The invention discloses a kind of composite pipe based on atactic copolymerized polypropene, including outer tube and inner tube, outer tube is polypropylene random copolymer pipe, inner tube is the modified pipe of atactic copolymerized polypropene, and the raw material of inner tube include atactic copolymerized polypropene, antiseptic, Compatibilized resin, antioxidant, the wear resistant nylon resin of maleic anhydride grafting.The invention also discloses a kind of manufacture method of shown composite pipe, comprise the following steps:Granulated by extruding granulator and obtain inner tube granular materials and outer tube granular materials;Inner tube granular materials and outer tube granular materials are formed into mutually compound inside and outside two-layer composite pipe with two extruderses by co-extruding mould co-extrusion respectively, by obtaining the composite pipe after cooling and shaping and cutting packaging.Conventional polypropylene random copolymer pipe as outer tube will be passed through modified polypropylene random copolymer pipe as inner tube by the present invention, and outer tube and inner tube are combined with each other to form composite pipe, have the advantages that to prevent encrustation breed bacteria, long service life.

Description

Composite pipe and its manufacture method based on atactic copolymerized polypropene
Technical field
The present invention relates to a kind of pipe material and its manufacture method, more particularly to a kind of answering based on atactic copolymerized polypropene Close tubing and its manufacture method.
Background technology
Polypropylene random copolymer pipe be PPR pipe because with wholesomeness is good, intensity is high, it is both artistic and practical, convenient for installation and maintenance with And be widely used the advantages of long service life, such as it is applied to the running water water pipe of water supply industry.
When polypropylene random copolymer pipe is applied to the running water water pipe of water supply industry, due to rubbing for polypropylene random copolymer pipe Wipe coefficient higher compared to PE pipes, more impurities lefts are had during long-term use in inside pipe wall, fouling occur and grow thin The problem of bacterium, it is possible that running water can be polluted, influences the drinking-water health of people, and severe patient may cause the diseases such as diarrhoea;Separately Outward, polypropylene random copolymer pipe also has that heat-resisting, anti-wear performance is dissatisfactory, can reduce to a certain extent its longevity Life.
The content of the invention
The purpose of the present invention be that provided to solve the above problems a kind of antibacterial, antiscale, it is heat-resisting, wear-resisting based on The composite pipe and its manufacture method of atactic copolymerized polypropene.
The present invention is achieved through the following technical solutions above-mentioned purpose:
A kind of composite pipe based on atactic copolymerized polypropene, including outer tube and inner tube, the outer tube are atactic copolymerized polypropene Pipe, said inner tube is the modified pipe of atactic copolymerized polypropene, and the raw material of said inner tube include each material of following mass parts:Randomly 50~100 parts of COPP, 0.1~10 part of antiseptic, 0.1~20 part of the Compatibilized resin of maleic anhydride grafting, antioxidant 0.1 ~1.0 parts, 0.1~30 part of wear resistant nylon resin.
Further, the raw material of the said inner tube also each material including following mass parts:0.1~5.0 part of silane coupler, Silicone powder 0.1~5.0,0.1~10 part of silica.
Preferably, the silane coupler is N- (β-aminoethyl)-gamma-aminopropyl-triethoxy-silane.
The antioxidant be four [β-(3,5- di-tert-butyl-hydroxy phenyls)Propionic acid] pentaerythritol ester, β-(3,5- bis- uncles Butyl -4- hydroxy phenyls)Propionic acid octadecanol ester, phosphorous acid three(2,4- di-tert-butyls)Ester, three(2,4- di-t-butyls)It is sub- One or more mixture in phenyl phosphate, butylated hydroxy anisole, dibutyl hydroxy toluene.
The antiseptic is inorganic antiseptic or organic antibacterial agent;The inorganic antiseptic is silver ion, zinc oxide, oxidation One or more in copper, ammonium dihydrogen phosphate, lithium carbonate;The organic antibacterial agent is vanillic aldehyde, ethyl vanillin aldehydes, acyl group benzene One or more in amine, imidazoles, quaternary ammonium salt, phenolic compound;It is highly preferred that the organic antibacterial agent is vanilla One or more in aldehyde, ethyl vanillin, antifebrin, MCZ, DTAC, phenol Mixture.
A kind of manufacture method of the composite pipe based on atactic copolymerized polypropene, comprises the following steps:
(1)After extruding granulator mixes each material needed for inner tube granulate and obtain inner tube granular materials, cool down standby; Atactic copolymerized polypropene needed for outer tube granulate by extruding granulator and obtains outer tube granular materials, cooled down standby;
(2)Inner tube granular materials and outer tube granular materials are formed mutually multiple with two extruderses by co-extruding mould co-extrusion respectively The inside and outside two-layer composite pipe for closing, by obtaining the multiple tube based on atactic copolymerized polypropene after cooling and shaping and cutting packaging Material.
Preferably, the step(2)In, the process conditions of two extruders are:40~60 DEG C of hopper temperature, production 160~240 DEG C of processing temperature, 0.5~25 m/min of tubing speed of production.
The beneficial effects of the present invention are:
The present invention, will be by modified polypropylene random copolymer pipe as interior using conventional polypropylene random copolymer pipe as outer tube Pipe, and outer tube and inner tube is combined with each other to form composite pipe, its inner tube compared to outer tube have more excellent anti-microbial property, Anti-scaling property, heat resistance and anti-wear performance, having for running water conveying prevents encrustation breed bacteria, long service life Advantage.
Brief description of the drawings
Fig. 1 is one of radial cross-section of composite pipe based on atactic copolymerized polypropene of the present invention;
Fig. 2 is the two of the radial cross-section of the composite pipe based on atactic copolymerized polypropene of the present invention.
Specific embodiment
With reference to embodiment and accompanying drawing, the invention will be further described:
Embodiment 1:
Using following steps composite pipe of the manufacture based on atactic copolymerized polypropene:
(1)Prepare each material of following mass parts:50 parts of atactic copolymerized polypropene, 10 parts of zinc oxide, the phase of maleic anhydride grafting 0.1 part of resin of appearance, four [β-(3,5- di-tert-butyl-hydroxy phenyls)Propionic acid] 1 part of pentaerythritol ester, wear resistant nylon resin 30 Part, 0.1 part of N- (β-aminoethyl)-gamma-aminopropyl-triethoxy-silane, 0.1 part of silicone powder, 0.1 part of silica;
(2)After extruding granulator mixes above-mentioned each material granulate and obtain inner tube granular materials, cool down standby;Pass through Part atactic copolymerized polypropene of 50 mass granulate and obtains outer tube granular materials by extruding granulator, is cooled down standby;
(3)Inner tube granular materials and outer tube granular materials are formed mutually multiple with two extruderses by co-extruding mould co-extrusion respectively The inside and outside two-layer composite pipe for closing, by obtaining the multiple tube based on atactic copolymerized polypropene after cooling and shaping and cutting packaging Material, its radial direction sectional structure as shown in figure 1, inner tube 2 is brought into close contact with outer tube 1 together with;In this step, two extruders Process conditions be:40 DEG C of hopper temperature, produces and processes 160 DEG C of temperature, 0.5 m/min of tubing speed of production.
Embodiment 2:
Using following steps composite pipe of the manufacture based on atactic copolymerized polypropene:
(1)Prepare each material of following mass parts:100 parts of atactic copolymerized polypropene, 0.1 part of ethyl vanillin, maleic anhydride connects 20 parts of the Compatibilized resin of branch, 0.1 part of butylated hydroxy anisole, 0.1 part of wear resistant nylon resin, N- (β-aminoethyl)-γ-aminopropyl 5 parts of triethoxysilane, 0.1 part of silicone powder, 0 part of silica 1;
(2)After extruding granulator mixes above-mentioned each material granulate and obtain inner tube granular materials, cool down standby;Pass through Part atactic copolymerized polypropene of 100 mass granulate and obtains outer tube granular materials by extruding granulator, is cooled down standby;
(3)Inner tube granular materials and outer tube granular materials are formed mutually multiple with two extruderses by co-extruding mould co-extrusion respectively The inside and outside two-layer composite pipe for closing, by obtaining the multiple tube based on atactic copolymerized polypropene after cooling and shaping and cutting packaging Material, its radial direction sectional structure as shown in figure 1, inner tube 2 is brought into close contact with outer tube 1 together with;In this step, two extruders Process conditions be:60 DEG C of hopper temperature, produces and processes 240 DEG C of temperature, 25 ms/min of tubing speed of production.
Embodiment 3:
Using following steps composite pipe of the manufacture based on atactic copolymerized polypropene:
(1)Prepare each material of following mass parts:80 parts of atactic copolymerized polypropene, 5 parts of ammonium dihydrogen phosphate, maleic anhydride grafting 10 parts of Compatibilized resin, β-(3,5- di-tert-butyl-hydroxy phenyls)0.5 part of propionic acid octadecanol ester, 20 parts of wear resistant nylon resin, 3 parts of N- (β-aminoethyl)-gamma-aminopropyl-triethoxy-silane, 2 parts of silicone powder, 7 parts of silica;
(2)After extruding granulator mixes above-mentioned each material granulate and obtain inner tube granular materials, cool down standby;Pass through Part atactic copolymerized polypropene of 80 mass granulate and obtains outer tube granular materials by extruding granulator, is cooled down standby;
(3)Inner tube granular materials and outer tube granular materials are formed mutually multiple with two extruderses by co-extruding mould co-extrusion respectively The inside and outside two-layer composite pipe for closing, by obtaining the multiple tube based on atactic copolymerized polypropene after cooling and shaping and cutting packaging Material, its radial direction sectional structure as shown in figure 1, inner tube 2 is brought into close contact with outer tube 1 together with;In this step, two extruders Process conditions be:50 DEG C of hopper temperature, produces and processes 210 DEG C of temperature, 15 ms/min of tubing speed of production.
Embodiment 4:
Using following steps composite pipe of the manufacture based on atactic copolymerized polypropene:
(1)Prepare each material of following mass parts:80 parts of atactic copolymerized polypropene, 3 parts of ammonium dihydrogen phosphate, maleic anhydride grafting 15 parts of Compatibilized resin, β-(3,5- di-tert-butyl-hydroxy phenyls)0.8 part of propionic acid octadecanol ester, 25 parts of wear resistant nylon resin;
(2)After extruding granulator mixes above-mentioned each material granulate and obtain inner tube granular materials, cool down standby;Pass through Part atactic copolymerized polypropene of 100 mass granulate and obtains outer tube granular materials by extruding granulator, is cooled down standby;
(3)Inner tube granular materials and outer tube granular materials are formed mutually multiple with two extruderses by co-extruding mould co-extrusion respectively The inside and outside two-layer composite pipe for closing, by obtaining the multiple tube based on atactic copolymerized polypropene after cooling and shaping and cutting packaging Material, its radial direction sectional structure as shown in figure 1, inner tube 2 is brought into close contact with outer tube 1 together with;In this step, two extruders Process conditions be:55 DEG C of hopper temperature, produces and processes 200 DEG C of temperature, 20 ms/min of tubing speed of production.
The various embodiments described above products obtained therefrom is had any different in specific performance parameter, but its inner tube is all with more excellent than outer tube Different anti-microbial property, anti-scaling property, heat resistance and anti-wear performance.
As shown in Fig. 2 in actual applications, the problem of defective tightness of fitting is also likely to be present between inner tube 2 and outer tube 1, Or, if by the way of inner tube 2 and the separate machined recombinant of outer tube 1, needed between inner tube 2 and outer tube 1 by bonding Layer 3 is bonded, and so whole tubing is just more consolidated, and the binding agent that tack coat 3 is used with inner tube 2 and outer tube 1 to have good The macromolecular material of good viscosity, with specific reference to the material corresponding selection of prior art.
Above-described embodiment is presently preferred embodiments of the present invention, is not the limitation to technical solution of the present invention, as long as Without the technical scheme that creative work can be realized on the basis of above-described embodiment, it is regarded as falling into patent of the present invention Rights protection scope in.

Claims (8)

1. a kind of composite pipe based on atactic copolymerized polypropene, it is characterised in that:Including outer tube and inner tube, the outer tube is nothing Rule polypropylene pipe, said inner tube is the modified pipe of atactic copolymerized polypropene, and the raw material of said inner tube include following mass parts Each material:50~100 parts of atactic copolymerized polypropene, 0.1~10 part of antiseptic, the Compatibilized resin 0.1 that maleic anhydride is grafted~ 20 parts, 0.1~1.0 part of antioxidant, 0.1~30 part of wear resistant nylon resin.
2. the composite pipe based on atactic copolymerized polypropene according to claim 1, it is characterised in that:The original of said inner tube The material also each material including following mass parts:0.1~5.0 part of silane coupler, silicone powder 0.1~5.0, silica 0.1 ~10 parts.
3. the composite pipe based on atactic copolymerized polypropene according to claim 2, it is characterised in that:It is described silane coupled Agent is N- (β-aminoethyl)-gamma-aminopropyl-triethoxy-silane.
4. the composite pipe based on atactic copolymerized polypropene according to claim 1 and 2, it is characterised in that:The antioxygen Agent be four [β-(3,5- di-tert-butyl-hydroxy phenyls)Propionic acid] pentaerythritol ester, β-(3,5- di-tert-butyl-hydroxy phenyls) Propionic acid octadecanol ester, phosphorous acid three(2,4- di-tert-butyls)Ester, three(2,4- di-t-butyls)Phenyl-phosphite, butylhydroxy One or more mixture in anisole, dibutyl hydroxy toluene.
5. the composite pipe based on atactic copolymerized polypropene according to claim 1 and 2, it is characterised in that:The antibacterial Agent is inorganic antiseptic or organic antibacterial agent;The inorganic antiseptic is silver ion, zinc oxide, cupric oxide, ammonium dihydrogen phosphate, carbon One or more in sour lithium;The organic antibacterial agent is vanillic aldehyde, ethyl vanillin aldehydes, anilid class, imidazoles, quaternary ammonium One or more in salt, phenolic compound.
6. the composite pipe based on atactic copolymerized polypropene according to claim 5, it is characterised in that:The organic anti-bacterial Agent be vanillic aldehyde, ethyl vanillin, antifebrin, MCZ, DTAC, phenol in one kind or Two or more mixtures.
7. a kind of manufacture method of the composite pipe based on atactic copolymerized polypropene as claimed in claim 1 or 2, its feature exists In:Comprise the following steps:
(1)After extruding granulator mixes each material needed for inner tube granulate and obtain inner tube granular materials, cool down standby; Atactic copolymerized polypropene needed for outer tube granulate by extruding granulator and obtains outer tube granular materials, cooled down standby;
(2)Inner tube granular materials and outer tube granular materials are formed mutually multiple with two extruderses by co-extruding mould co-extrusion respectively The inside and outside two-layer composite pipe for closing, by obtaining the multiple tube based on atactic copolymerized polypropene after cooling and shaping and cutting packaging Material.
8. the manufacture method of the composite pipe based on atactic copolymerized polypropene according to claim 7, it is characterised in that:Institute State step(2)In, the process conditions of two extruders are:40~60 DEG C of hopper temperature, produces and processes temperature 160~240 DEG C, 0.5~25 m/min of tubing speed of production.
CN201710277614.8A 2017-04-25 2017-04-25 Composite pipe and its manufacturing method based on atactic copolymerized polypropene Active CN106883519B (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107459708A (en) * 2017-08-24 2017-12-12 张阳 A kind of medical blowdown PP pipe composites and preparation method thereof
CN107725911A (en) * 2017-09-26 2018-02-23 浙江伟星新型建材股份有限公司 A kind of antibacterial composite insulating pipe
CN107987379A (en) * 2017-11-27 2018-05-04 德阳天赐塑胶有限责任公司 A kind of modified environmental protection PP pipe and its preparation process
CN108386654A (en) * 2018-02-07 2018-08-10 海宁信蜂材料科技有限公司 A kind of antimicrobial form knitting casing high with identification
CN109386667A (en) * 2018-10-29 2019-02-26 镇江市鑫浩塑胶有限公司 A kind of modified polypropylene plastic tubing and preparation method thereof
CN111664300A (en) * 2020-06-15 2020-09-15 康泰塑胶科技集团有限公司 Double-color double-wall corrugated pipe and preparation method thereof
CN112194851A (en) * 2020-09-24 2021-01-08 日丰企业集团有限公司 Composite material composition and preparation method and application thereof
CN116082755A (en) * 2023-01-10 2023-05-09 武汉金牛经济发展有限公司 PP-R pipe with antibacterial self-repairing function and preparation method thereof

Citations (3)

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Publication number Priority date Publication date Assignee Title
CN1304956A (en) * 2000-10-25 2001-07-25 招远市海星塑料厂 Special material for modifying PP-R plastics and its preparing process
CN101649932A (en) * 2009-08-14 2010-02-17 上海金塑实业有限公司 Double-layer composite random copolymerization polypropylene antibacterial water feed pipe
CN104927207A (en) * 2015-06-26 2015-09-23 广西金滩管业科技有限公司 Antibacterial PPR (polypropylene random copolymer) water supply pipe of high low-temperature toughness

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1304956A (en) * 2000-10-25 2001-07-25 招远市海星塑料厂 Special material for modifying PP-R plastics and its preparing process
CN101649932A (en) * 2009-08-14 2010-02-17 上海金塑实业有限公司 Double-layer composite random copolymerization polypropylene antibacterial water feed pipe
CN104927207A (en) * 2015-06-26 2015-09-23 广西金滩管业科技有限公司 Antibacterial PPR (polypropylene random copolymer) water supply pipe of high low-temperature toughness

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107459708A (en) * 2017-08-24 2017-12-12 张阳 A kind of medical blowdown PP pipe composites and preparation method thereof
CN107725911A (en) * 2017-09-26 2018-02-23 浙江伟星新型建材股份有限公司 A kind of antibacterial composite insulating pipe
CN107987379A (en) * 2017-11-27 2018-05-04 德阳天赐塑胶有限责任公司 A kind of modified environmental protection PP pipe and its preparation process
CN108386654A (en) * 2018-02-07 2018-08-10 海宁信蜂材料科技有限公司 A kind of antimicrobial form knitting casing high with identification
CN109386667A (en) * 2018-10-29 2019-02-26 镇江市鑫浩塑胶有限公司 A kind of modified polypropylene plastic tubing and preparation method thereof
CN111664300A (en) * 2020-06-15 2020-09-15 康泰塑胶科技集团有限公司 Double-color double-wall corrugated pipe and preparation method thereof
CN112194851A (en) * 2020-09-24 2021-01-08 日丰企业集团有限公司 Composite material composition and preparation method and application thereof
CN116082755A (en) * 2023-01-10 2023-05-09 武汉金牛经济发展有限公司 PP-R pipe with antibacterial self-repairing function and preparation method thereof

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