CN110131484A - A kind of high temperature resistant, sterilization water supply line of low-temperature resistance and preparation method thereof - Google Patents

A kind of high temperature resistant, sterilization water supply line of low-temperature resistance and preparation method thereof Download PDF

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Publication number
CN110131484A
CN110131484A CN201910389685.6A CN201910389685A CN110131484A CN 110131484 A CN110131484 A CN 110131484A CN 201910389685 A CN201910389685 A CN 201910389685A CN 110131484 A CN110131484 A CN 110131484A
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pipeline
parts
layer
water supply
supply line
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吴克成
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/02Elements
    • C08K3/08Metals
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/38Boron-containing compounds
    • 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
    • C08L23/12Polypropene
    • 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
    • F16L9/121Rigid pipes of plastics with or without reinforcement with three layers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2265Oxides; Hydroxides of metals of iron
    • C08K2003/2272Ferric oxide (Fe2O3)
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • 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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20Controlling water pollution; Waste water treatment

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

Abstract

The present invention relates to the sterilization water supply lines of a kind of high temperature resistant, low-temperature resistance, including pipeline outer-layer, pipeline middle layer and pipeline lining;Successively ecto-entad is arranged radially for the pipeline outer-layer, pipeline middle layer and pipeline lining;The pipeline outer-layer includes the following raw material: acrylic resin, White color masterbatch and polishes;The pipeline middle layer includes the following raw material: acrylic resin, glass fibre and golden grey color masterbatch;The pipeline lining includes the following raw material: acrylic resin, tourmaline powder, rare earth powder, ochre powder and desiccant.The water supply line high temperature is unlikely to deform, low temperature is not easy to burst, and weatherability is strong, while can eliminate chlorine residue in water, and have bactericidal effect, and applicability is wide.The preparation method only needs to be conducive to large-scale production by accurately controlling the parameters such as formula rate, temperature, pressure.

Description

A kind of high temperature resistant, sterilization water supply line of low-temperature resistance and preparation method thereof
Technical field
The invention belongs to Drinking Water conveyance conduit fields, and in particular to the sterilization water supplying pipe of a kind of high temperature resistant, low-temperature resistance Road and preparation method thereof.
Background technique
Water is one of the necessary resource for maintaining human survival, but with the rapid development of industry, numerous water body and water Gone down by serious pollution, long-term development in this way, then will lead to urban water and put upon the full stretch in source.
In addition to the pollution at water source, waterworks is that the chlorine of disinfection addition is also one of pollution killer: chlorine is to lead to cancer, the heart The principal element of the diseases such as popular name for, almost all of waterworks generally use the conventional process work of precipitating filtering, chlorination Skill handles tap water, and during processing, the same organic matter of chlorine, Humus combine generation haloform, halogen acetic acid etc., these It is all the organic pollutant more stronger than chlorine.
In addition, tap water still will receive the secondary pollution of water transfer pipe network in transmission process: after treatment originally Water after factory, will also pass through the facilities such as very long water transfer pipe network and high building water tower, water tank, in these transmission processes, tap water In increased pollutant it is a lot of, iron rust, dirt, bacterium etc. all directly affect the water quality of tap water, they interact after, can also Generate more more toxic chemical substances.
Authorization Notice No. is a kind of environment-friendly water-supply hose with antibacterial functions of patent disclosure of CN101592271B, material Material includes polyvinyl chloride resin, plasticizer, heat stabilizer, Inorganic whisker antibacterial agent and lubricant.The environment-friendly water-supply hose can have Effect suppresses growth of microorganism, good anti-bacterial effect, meets safety standard requirement, has good environmental-protecting performance.However, the environmental protection Water hose effect is more single, only focuses on antibacterial bacteriostatic, and lacks and dechlorinate, is heat-resisting, resisting the performances such as cold, therefore limits it and answer With still needing to further studied.
Summary of the invention
Of the existing technology in order to solve the problems, such as, the present invention provides the sterilization water supplying pipes of a kind of high temperature resistant, low-temperature resistance Road and preparation method thereof.The water supply line high temperature is unlikely to deform, low temperature is not easy to burst, and weatherability is strong, while can be eliminated in water Chlorine residue, and have bactericidal effect, applicability is wide.The preparation method is only needed by accurately controlling the ginseng such as formula rate, temperature, pressure Number is conducive to large-scale production.
The scheme of the invention is providing the sterilization water supply line of a kind of high temperature resistant, low-temperature resistance, including pipeline outer-layer, pipeline Middle layer and pipeline lining;Successively ecto-entad is arranged radially for the pipeline outer-layer, pipeline middle layer and pipeline lining;Outside the pipeline Layer includes the raw material of following parts by weight: 90~98 parts of acrylic resin, 2~4 parts of White color masterbatch and 0.2~0.3 part of polishes;Institute State the raw material that pipeline middle layer includes following parts by weight: 80~84 parts of acrylic resin, 14~18 parts of glass fibre and golden grey color It is 2~4 parts female;The pipeline lining includes the raw material of following parts by weight: 10~14 parts of acrylic resin, 4~7 parts of tourmaline powder, 1~3 part of rare earth powder, 0.3~0.4 part of ochre powder and 5~7 parts of desiccant.
Preferably, the pipeline outer-layer includes the raw material of following parts by weight: 94 parts of acrylic resin, 3 parts of White color masterbatch and 0.25 part of polishes.
Preferably, the pipeline middle layer includes the raw material of following parts by weight: 82 parts of acrylic resin, 16 parts of glass fibre and 3 parts of golden grey color masterbatch.
Preferably, the pipeline lining includes the raw material of following parts by weight: 12 parts of acrylic resin, 5.5 parts of tourmaline powder, 2 parts of rare earth powder, 0.35 part of ochre powder and 6 parts of desiccant.
Preferably, the thickness ratio of the pipeline outer-layer, the pipeline middle layer and the pipeline lining be 2~4:1:0.2~ 0.3。
Preferably, the glass fiber single filament diameter is 10~20 μm.
The present invention provides a kind of preparation method of the sterilization water supply line of high temperature resistant, low-temperature resistance again, includes the following steps:
(1) acrylic resin used in pipeline outer-layer, White color masterbatch and polishes mixing will be prepared, outer layer mixture is obtained; Acrylic resin used in pipeline middle layer, glass fibre and golden grey color masterbatch mixing will be prepared, middle layer mixture is obtained;Preparation is managed Acrylic resin used in road internal layer, tourmaline powder, rare earth powder, ochre powder and desiccant mixing, obtain internal layer mixture;
(2) outer layer mixture, middle layer mixture and internal layer mixture obtained by step (1) are granulated respectively, obtain outer layer Pellet, middle layer pellet and internal layer pellet;
(3) outer layer pellet, middle layer pellet and internal layer pellet extruder co-extrusion are squeezed out, get Nai Gao after co-extrusion squeezes out The sterilization water supply line of temperature, low-temperature resistance.
Preferably, in step (1), the mixed temperature is 90~110 DEG C, and the mixed time is 40~50min.
Preferably, in step (3), the discharge barrel temperature of the extruder are as follows: 155~160 DEG C of an area, two areas 165~170 DEG C, 175~180 DEG C of 3rd area, 185~190 DEG C of 5th area 4th areas, 185~190 DEG CHe.
Preferably, in step (3), the extrusion pressure of the extruder are as follows: 5.0~5.4MPa of outer layer pipe, middle layer pipeline 8.5~8.9MPa of 4.0~4.2MPa and inner layer pipe.
The mentality of designing of the sterilization water supply line of high temperature resistant of the present invention, low-temperature resistance are as follows: by water supply line hierarchical design, Interfering with each other between different component can be farthest avoided, effect is maximized.Pipeline outer-layer selects poly- the third of stable structure Olefine resin is equipped with white mica and polishes as skeleton, by colour developing principle it is found that white is in reflex to light, therefore Being designed in this way can reflect as much as possible extraneous light, to slow down light to the aging action of internal pipeline and other are negative It influences;Pipeline middle layer selects the identical acrylic resin of ingredient as skeleton, can improve and the compatibility of pipeline outer-layer, addition Glass fibre and golden grey color masterbatch, on the one hand can increase the intensity in pipeline middle layer, be not easy to deform its high temperature, low temperature is not also allowed Easily rupturable, on the other hand golden grey color masterbatch can further absorb light, avoid the saturating inner layer of light;Pipeline lining still selects poly- third Olefine resin is as skeleton, it is contemplated that pipeline lining is chronically at dampness, therefore adds desiccant to prevent pipeline lining raw material It excessively makes moist and fails, in addition being used cooperatively for tourmaline powder, rare earth powder and ochre powder also can effectively kill bacteria, dechlorinate.
The invention has the benefit that
1, the sterilization water supply line of high temperature resistant of the present invention, low-temperature resistance is arranged through reasonable, scientific formula, so that Water supply line high temperature is unlikely to deform, low temperature is not easy to burst, and weatherability is strong, while can eliminate chlorine residue in water, and have bactericidal effect, is fitted It is wide with property.
2, the preparation method of the sterilization water supply line of high temperature resistant of the present invention, low-temperature resistance, it is only necessary to by accurately controlling The parameters such as formula rate, temperature, pressure, are conducive to large-scale production.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is the cross section structure schematic diagram of the sterilization water supply line of high temperature resistant of the present invention, low-temperature resistance;
Fig. 2, which is that present invention experiment is used, equips overlooking structure diagram.
Appended drawing reference in figure are as follows:
1- pipeline outer-layer;2- pipeline middle layer;3- pipeline lining;The small-sized reservoir of 4-;5- water supply line.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work Other embodiment belongs to the range that the present invention is protected.
Embodiment 1
The present embodiment provides a kind of preparation methods of the sterilization water supply line of high temperature resistant, low-temperature resistance, include the following steps:
(1) 900g acrylic resin, 40g White color masterbatch and 2g polishes are mixed into 50min under the conditions of 90 DEG C, obtains outer layer Mixture;800g acrylic resin, 180g glass fibre and 20g gold grey color masterbatch mixed into 50min under the conditions of 90 DEG C, is obtained Layer mixture;By 100g acrylic resin, 70g tourmaline powder, 10g rare earth powder, 4g ochre powder and 50g desiccant in 90 DEG C of items 50min is mixed under part, obtains internal layer mixture;
(2) outer layer mixture, middle layer mixture and internal layer mixture obtained by step (1) are granulated respectively, obtain outer layer Pellet, middle layer pellet and internal layer pellet;
(3) outer layer pellet, middle layer pellet and internal layer pellet extruder co-extrusion are squeezed out, wherein the discharge barrel temperature of extruder Degree are as follows: 155 DEG C of an area, 165 DEG C of 2nd area, 175 DEG C of 3rd area, 185 DEG C of 5th area 4th areas, 185 DEG CHe;The extrusion pressure of extruder are as follows: outer Layer pipeline 5.0MPa, middle layer pipeline 4.0MPa and inner layer pipe 8.5MPa, co-extrusion squeeze out after high temperature resistant, low-temperature resistance are killed Bacterium water supply line.
Embodiment 2
The present embodiment provides a kind of preparation methods of the sterilization water supply line of high temperature resistant, low-temperature resistance, include the following steps:
(1) 980g acrylic resin, 20g White color masterbatch and 3g polishes are mixed into 40min under the conditions of 110 DEG C, obtained outer Layer mixture;840g acrylic resin, 140g glass fibre and 40g gold grey color masterbatch are mixed into 40min under the conditions of 110 DEG C, Obtain middle layer mixture;By 140g acrylic resin, 40g tourmaline powder, 30g rare earth powder, 3g ochre powder and 70g desiccant 110 40min is mixed under the conditions of DEG C, obtains internal layer mixture;
(2) outer layer mixture, middle layer mixture and internal layer mixture obtained by step (1) are granulated respectively, obtain outer layer Pellet, middle layer pellet and internal layer pellet;
(3) outer layer pellet, middle layer pellet and internal layer pellet extruder co-extrusion are squeezed out, wherein the discharge barrel temperature of extruder Degree are as follows: 160 DEG C of an area, 170 DEG C of 2nd area, 180 DEG C of 3rd area, 190 DEG C of 5th area 4th areas, 190 DEG CHe;The extrusion pressure of extruder are as follows: outer Layer pipeline 5.4MPa, middle layer pipeline 4.2MPa and inner layer pipe 8.9MPa, co-extrusion squeeze out after high temperature resistant, low-temperature resistance are killed Bacterium water supply line.
Embodiment 3
The present embodiment provides a kind of preparation methods of the sterilization water supply line of high temperature resistant, low-temperature resistance, include the following steps:
(1) 940g acrylic resin, 30g White color masterbatch and 2.5g polishes are mixed into 45min under the conditions of 100 DEG C, obtained Outer layer mixture;820g acrylic resin, 160g glass fibre and 30g gold grey color masterbatch are mixed under the conditions of 100 DEG C 45min obtains middle layer mixture;120g acrylic resin, 55g tourmaline powder, 20g rare earth powder, 3.5g ochre powder and 60g is dry Agent mixes 45min under the conditions of 100 DEG C, obtains internal layer mixture;
(2) outer layer mixture, middle layer mixture and internal layer mixture obtained by step (1) are granulated respectively, obtain outer layer Pellet, middle layer pellet and internal layer pellet;
(3) outer layer pellet, middle layer pellet and internal layer pellet extruder co-extrusion are squeezed out, wherein the discharge barrel temperature of extruder Degree are as follows: 158 DEG C of an area, 168 DEG C of 2nd area, 172 DEG C of 3rd area, 188 DEG C of 5th area 4th areas, 188 DEG CHe;The extrusion pressure of extruder are as follows: outer Layer pipeline 5.2MPa, middle layer pipeline 4.1MPa and inner layer pipe 8.7MPa, co-extrusion squeeze out after high temperature resistant, low-temperature resistance are killed Bacterium water supply line.
To verify the water supply line dechlorination, sterilization, high temperature resistant and low temperature resistance, the following experiment of design:
Description of test: experiment device therefor is as shown in Fig. 2, 4 be wherein small-sized reservoir, 5 be the gained of the embodiment of the present invention 3 Water supply line.Experiment is divided into test dechlorination, bactericidal property experiment and test high temperature resistant, low temperature resistance experiment.
(I) test dechlorination, bactericidal property experiment
Test method: tap water when waterworks being taken just to dispatch from the factory covers in small-sized reservoir 4, then by small-sized reservoir Sealing opens water pump, the water in small-sized reservoir 4 is slowly pumped into water supply line 5, and water supply line is about 30 meters, and by water Circulation 48 hours.Chlorinity and bacterial content, after circulation terminates foundation GB/T 5750 " life again in measurement water before circulation starts Drinking water standard detection method living " chlorinity and bacterial content in water are measured, the results are shown in Table 1.
The chlorinity and bacterial content of 1 water of table circulation front and back
Chlorinity/(mg/L) Total plate count (CFU/100mL)
Before water circulation 0.4 87
After water circulation 0.05 21
As a result with conclusion: in sealed states, tap water by 3 gained water supply line of the embodiment of the present invention recycle 48h after, Chlorinity is down to 0.05mg/L by 0.4mg/L, and total plate count is down to 21 (CFU/100mL) by 87, shows that gained water supply line has Excellent dechlorination and bactericidal effect.
(II) high temperature resistant, low temperature resistance are tested
Test method: tap water heating when waterworks being taken just to appear on the scene to 85~90 DEG C and is introduced into small-sized reservoir 4, Small-sized reservoir is sealed again, water pump is opened, the water in small-sized reservoir 4 is slowly pumped into water supply line 5, water supplying pipe Road is about 30 meters, and water is recycled 7d, maintains water temperature always during circulation.After circulation terminates, hot water is bled off, introduces 5~8 DEG C Cold water continues cycling through 7d, and ice cube is added during circulation and maintains low temperature.Hot water circuit and circulating chilled water are a cycle, it is co-continuous into The water circulation in 3 periods of row.
Water supply line size is measured after circulation terminates, the results are shown in Table 2.
The internal diameter and outer diameter of 2 water of table circulation front and back water supply line
Outer diameter tube (mm) Internal diameter of the pipeline (mm)
Before water circulation 50.0±0.02 30.0±0.02
After water circulation 50.3±0.01 30.2±0.02
As a result with conclusion: after hot and cold water periodic cycle, water supply line dimension of inner and outer diameters is without significant change, i.e. pipeline The defects of shape is without substantially changeing, and checking water supply line surfaces externally and internally, also do not find slight crack, shows water supply line High temperature resistant, low temperature resistance are good.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims (10)

1. the sterilization water supply line of a kind of high temperature resistant, low-temperature resistance, which is characterized in that including pipeline outer-layer, pipeline middle layer and pipeline Internal layer;Successively ecto-entad is arranged radially for the pipeline outer-layer, pipeline middle layer and pipeline lining;The pipeline outer-layer includes as follows The raw material of parts by weight: 90~98 parts of acrylic resin, 2~4 parts of White color masterbatch and 0.2~0.3 part of polishes;The pipeline middle layer Raw material including following parts by weight: 80~84 parts of acrylic resin, 14~18 parts of glass fibre and golden 2~4 parts of color masterbatch of grey;Institute State the raw material that pipeline lining includes following parts by weight: 10~14 parts of acrylic resin, 4~7 parts of tourmaline powder, rare earth powder 1~3 Part, 0.3~0.4 part of ochre powder and 5~7 parts of desiccant.
2. the sterilization water supply line of high temperature resistant according to claim 1, low-temperature resistance, which is characterized in that the pipeline outer-layer Raw material including following parts by weight: 94 parts of acrylic resin, 3 parts of White color masterbatch and 0.25 part of polishes.
3. the sterilization water supply line of high temperature resistant according to claim 1, low-temperature resistance, which is characterized in that the pipeline middle layer Raw material including following parts by weight: 82 parts of acrylic resin, 16 parts of glass fibre and golden 3 parts of color masterbatch of grey.
4. the sterilization water supply line of high temperature resistant according to claim 1, low-temperature resistance, which is characterized in that the pipeline lining Raw material including following parts by weight: 12 parts of acrylic resin, 5.5 parts of tourmaline powder, 2 parts of rare earth powder, 0.35 part of ochre powder and dry 6 parts of drying prescription.
5. the sterilization water supply line of high temperature resistant according to claim 1, low-temperature resistance, which is characterized in that the pipeline outer-layer, The thickness ratio of the pipeline middle layer and the pipeline lining is 2~4:1:0.2~0.3.
6. the sterilization water supply line of high temperature resistant according to claim 1, low-temperature resistance, which is characterized in that the glass fibre Filament diameter is 10~20 μm.
7. the preparation method of the sterilization water supply line of any high temperature resistant of claim 1~6, low-temperature resistance, which is characterized in that Include the following steps:
(1) acrylic resin used in pipeline outer-layer, White color masterbatch and polishes mixing will be prepared, outer layer mixture is obtained;It will system Acrylic resin used in standby pipeline middle layer, glass fibre and golden grey color masterbatch mixing, obtain middle layer mixture;It will prepare in pipeline Acrylic resin used in layer, tourmaline powder, rare earth powder, ochre powder and desiccant mixing, obtain internal layer mixture;
(2) outer layer mixture, middle layer mixture and internal layer mixture obtained by step (1) are granulated respectively, obtain outer layer pellet, Middle layer pellet and internal layer pellet;
(3) by outer layer pellet, middle layer pellet and internal layer pellet with extruder co-extrusion squeeze out, co-extrusion squeeze out after high temperature resistant, The sterilization water supply line of low-temperature resistance.
8. the preparation method of the sterilization water supply line of high temperature resistant according to claim 7, low-temperature resistance, which is characterized in that step Suddenly in (1), the mixed temperature is 90~110 DEG C, and the mixed time is 40~50min.
9. the preparation method of the sterilization water supply line of high temperature resistant according to claim 7, low-temperature resistance, which is characterized in that step Suddenly in (3), the discharge barrel temperature of the extruder are as follows: 155~160 DEG C of an area, 165~170 DEG C of 2nd area, three areas 175~180 DEG C, 185~190 DEG C of 5th area 4th areas, 185~190 DEG CHe.
10. the preparation method of the sterilization water supply line of high temperature resistant according to claim 7, low-temperature resistance, which is characterized in that step Suddenly in (3), the extrusion pressure of the extruder are as follows: 5.0~5.4MPa of outer layer pipe, middle layer 4.0~4.2MPa of pipeline and internal layer 8.5~8.9MPa of pipeline.
CN201910389685.6A 2019-05-10 2019-05-10 A kind of high temperature resistant, sterilization water supply line of low-temperature resistance and preparation method thereof Pending CN110131484A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111070622A (en) * 2019-12-14 2020-04-28 浙江大学 Method for preparing short fiber reinforced plastic particles and pipes in extrusion mode and application thereof
CN111425671A (en) * 2020-03-30 2020-07-17 广东联塑科技实业有限公司 Three-layer co-extrusion antibacterial PP-R water supply pipe and preparation method thereof
CN111925593A (en) * 2020-08-04 2020-11-13 日丰企业集团有限公司 Antibacterial pipe and preparation method thereof

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