CN107383714A - Floor heating pipe and preparation method thereof - Google Patents
Floor heating pipe and preparation method thereof Download PDFInfo
- Publication number
- CN107383714A CN107383714A CN201710516463.7A CN201710516463A CN107383714A CN 107383714 A CN107383714 A CN 107383714A CN 201710516463 A CN201710516463 A CN 201710516463A CN 107383714 A CN107383714 A CN 107383714A
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- China
- Prior art keywords
- layer
- floor heating
- heat
- heating pipe
- oleophobic
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 81
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000010410 layer Substances 0.000 claims abstract description 119
- 239000012790 adhesive layer Substances 0.000 claims abstract description 42
- 238000012545 processing Methods 0.000 claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 229920002313 fluoropolymer Polymers 0.000 claims abstract description 6
- 238000001125 extrusion Methods 0.000 claims description 23
- 150000001875 compounds Chemical class 0.000 claims description 21
- 229920000573 polyethylene Polymers 0.000 claims description 14
- 239000000470 constituent Substances 0.000 claims description 12
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 10
- 239000002033 PVDF binder Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 8
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 8
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 7
- 239000004813 Perfluoroalkoxy alkane Substances 0.000 claims description 7
- 238000003475 lamination Methods 0.000 claims description 7
- 229920001912 maleic anhydride grafted polyethylene Polymers 0.000 claims description 5
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 229920011301 perfluoro alkoxyl alkane Polymers 0.000 claims description 2
- 230000002209 hydrophobic effect Effects 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000008236 heating water Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- -1 Polytetrafluoroethylene Polymers 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000005439 thermosphere Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
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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
- 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
- C08L27/16—Homopolymers or copolymers or vinylidene fluoride
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
- B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
- F24D3/1058—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system disposition of pipes and pipe connections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
- B32B2250/246—All polymers belonging to those covered by groups B32B27/32 and B32B27/30
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/302—Conductive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/402—Coloured
- B32B2307/4026—Coloured within the layer by addition of a colorant, e.g. pigments, dyes
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/712—Weather resistant
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/73—Hydrophobic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/746—Slipping, anti-blocking, low friction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2597/00—Tubular articles, e.g. hoses, 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a kind of floor heating pipe and preparation method thereof, the floor heating pipe includes oleophobic layer, adhesive layer and heat-conducting layer, the adhesive layer is arranged at the outside of the oleophobic layer, the heat-conducting layer is arranged at the outside of the adhesive layer, the oleophobic layer is fluorinated polymer, and the thickness of the oleophobic layer is 0.05mm~0.5mm.Described floor heating pipe and preparation method thereof, designed by using three-decker, oleophobic layer, adhesive layer and heat-conducting layer mutually act synergistically, so that heating water is difficult in interior strata collection, without artificial dredging pipeline, heat conductivity can be improved, improves heat supply efficiency, energy consumption is saved, ensures the reliability that floor heating pipe uses；Also, by the way that the thickness of oleophobic layer is arranged into 0.05mm~0.5mm, it is suitable to dredge core intersection, on the one hand, oleophobic hydrophobic effect can be effectively played, on the other hand, thin core intersection will not be too thick, can save manufacturing cost, improves processing characteristics.
Description
Technical field
The present invention relates to plastic pipe technical field, more particularly to a kind of floor heating pipe and preparation method thereof.
Background technology
With the progress and development of society, heating system is progressively changed into underground heating via cooling fin heating.Typically
, underground heating mainly includes electrothemic floor and hydro-thermal floor heating two ways.The main material of electrothemic floor is Electric radiant Heating Film and hair
The major class of electric heating cable two, such material at high temperature is easy to aging, short life, replacing trouble, labor intensive material resources.Hydro-thermal floor heating is with floor heating
Based on pipe, heated by leading to heating hot water into floor heating pipe in the form of heat transfer, floor heating pipe service life is longer, installation
Tubing replacement problem need not be worried afterwards, and therefore, the application of hydro-thermal floor heating is more extensive.But contain impurity in some heating waters
Or hardness is higher, long-term use easily forms incrustation scale in floor heating pipe, and causing the heat conductivity of floor heating pipe reduces, and causes heating to be imitated
Rate is low.
The content of the invention
Based on this, it is necessary to provide a kind of floor heating pipe and preparation method thereof, the floor heating pipe and preparation method thereof can prevent
Pipe cohesion collection incrustation scale, heat conductivity is improved, improve heat supply efficiency.
Its technical scheme is as follows：
A kind of floor heating pipe, including oleophobic layer, adhesive layer and heat-conducting layer, the adhesive layer are arranged at the outer of the oleophobic layer
Side, the heat-conducting layer are arranged at the outside of the adhesive layer, and the oleophobic layer is fluorinated polymer, and the thickness of the oleophobic layer
Spend for 0.05mm~0.5mm.
In one of the embodiments, the thickness of the adhesive layer is 0.04mm~0.15mm.
In one of the embodiments, the oleophobic layer is PTFE (Polytetrafluoroethylene, polytetrafluoroethyl-ne
Alkene), PFA (Polyfluoroalkoxy, soluble poly tetrafluoroethene) or PVDF (Polyvinylidene fluoride, gather inclined
At least one of PVF).
In one of the embodiments, the constituent of the oleophobic layer and its percentage by weight are：
PTFE：0%~2%；
PFA：40%~60%；
PVDF：40%~60%.
In one of the embodiments, the constituent of the heat-conducting layer and its percentage by weight are：
Masterbatch：0%~2%；
Heat-proof polythene：98%~100%.
In one of the embodiments, the constituent of the heat-conducting layer and its percentage by weight are：
Masterbatch：1%；
Heat-proof polythene：99%.
In one of the embodiments, the adhesive layer is maleic anhydride grafted polyethylene, and the maleic anhydride grafting is poly-
The percentage by weight of ethene is 100%.
A kind of preparation method of floor heating pipe, comprises the following steps：
S1：Manufacture oleophobic layer PP Pipe Compound, adhesive layer PP Pipe Compound and heat-conducting layer PP Pipe Compound；
S2：Oleophobic layer, adhesive layer and heat-conducting layer are used into coextru-lamination extrusion die extrusion molding；
S3：Sizing, cooling, cutting obtain the floor heating pipe.
In one of the embodiments, the heat-conducting layer includes heat-proof polythene, and step S2's concretely comprises the following steps：
Using three-layer co-extruded composite extruding mould, heat-conducting layer PP Pipe Compound is extruded by the first extruder, first extrusion
The processing temperature of machine is controlled between 170 DEG C~220 DEG C, the screw speed control of first extruder 50r/min~
Between 100r/min；
Adhesive layer PP Pipe Compound is extruded by the second extruder, the control of the processing temperature of second extruder 180 DEG C~
Between 220 DEG C, the screw speed of second extruder is controlled in 10r/min~30r/min；
Oleophobic layer PP Pipe Compound is extruded by the 3rd extruder, the control of the processing temperature of the 3rd extruder 200 DEG C~
Between 250 DEG C, the control of the screw speed of first extruder is for 20r/min~50r/min；
Three layers of material are in the molten state in the mould temperature in co-extrusion in co-extrusion die, the co-extrusion die
Between 200 DEG C~250 DEG C, extruded velocity is controlled between 10m/min~30m/min for degree control.
In one of the embodiments, in step s 2：
The processing temperature of first extruder is controlled when between 170 DEG C~220 DEG C, is divided into five sections of temperature controls, first three section
Processing temperature control between 170 DEG C~200 DEG C, latter two sections of processing temperature is controlled between 200 DEG C~220 DEG C, and by
Every section of temperature of A-P steps up；
The processing temperature of second extruder is controlled when between 180 DEG C~220 DEG C, is divided into four sections of temperature controls, first two sections
Processing temperature control between 180 DEG C~200 DEG C, latter two sections of processing temperature is controlled between 200 DEG C~220 DEG C, and by
Every section of temperature of A-P steps up；
The processing temperature of 3rd extruder is controlled when between 200 DEG C~250 DEG C, is divided into six sections of temperature controls, first three section
Processing temperature control between 200 DEG C~230 DEG C, latter three sections of processing temperature is controlled between 230 DEG C~250 DEG C, and by
Every section of temperature of A-P steps up；
Mold temperature in the co-extrusion die is controlled when between 200 DEG C~250 DEG C, is divided into five sections of temperature controls, first three
The mold temperature of section is controlled between 200 DEG C~230 DEG C, and latter two sections of mold temperature is controlled between 230 DEG C~250 DEG C, and
Every section of temperature steps up from front to back.
The beneficial effects of the present invention are：
The floor heating pipe, internal layer oleophobic layer are fluorinated polymer, and it has preferable barrier, high temperature resistance and good
Electrical property, and do not absorb that moisture, coefficient of friction are low, weatherability is good, can ensure that floor heating pipe still possesses good lead
On the basis of hot, it is hydrophobic to carry out effective oleophobic；Middle level adhesive layer can be Nian Jie with heat-conducting layer by the oleophobic layer of unlike material
Come, effectively prevent floor heating pipe from occurring lamination in use, improve the reliability that floor heating pipe uses；Outer layer heat-conducting layer energy
It is enough that heating water is heated in the form of heat transfer.The floor heating pipe, is designed by using three-decker, oleophobic layer, gluing
Layer and heat-conducting layer mutually act synergistically so that heating water is difficult to that, in interior strata collection, without artificial dredging pipeline, hot biography can be improved
The property led, heat supply efficiency is improved, save energy consumption, ensure the reliability that floor heating pipe uses；Also, by the way that the thickness of oleophobic layer is set
For 0.05mm~0.5mm, it is suitable to dredge core intersection, on the one hand, 150 ° are more than to the surface contact angle of oil under water, can be effective
Oleophobic hydrophobic effect is played, on the other hand, thin core intersection will not be too thick, can save manufacturing cost, improves processing characteristics.
The preparation method of the floor heating pipe, floor heating pipe use coextru-lamination extrusion die extrusion molding, easily manufactured, floor heating
The heat conductivity of pipe is preferable, and heat supply efficiency is higher, less energy consumption, and using reliable, manufacturing cost is relatively low, easy to process.
Brief description of the drawings
Fig. 1 is the structural representation of the floor heating pipe described in the embodiment of the present invention；
Fig. 2 is the schematic flow sheet of the preparation method of the floor heating pipe described in the embodiment of the present invention.
Description of reference numerals：
100th, oleophobic layer, 200, adhesive layer, 300, heat-conducting layer.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give the better embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose for providing these embodiments is to make to understand more the disclosure
Add thorough and comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element be referred to as " directly existing " another element " on " when,
In the absence of intermediary element.Term as used herein " vertically ", " horizontal ", "left", "right" and similar statement are
For illustrative purposes, it is unique embodiment to be not offered as.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more
The arbitrary and all combination of related Listed Items.Term as used herein " first ", " second " etc. are used herein
In differentiation object, but these objects should not be limited by these terms.
As shown in figure 1, a kind of floor heating pipe, including oleophobic layer 100, adhesive layer 200 and adhesive layer described in heat-conducting layer 300.
200 are arranged at the outside of the oleophobic layer 100, and the heat-conducting layer 300 is arranged at the outside of the adhesive layer 200.The oleophobic
Layer 100 is fluorinated polymer, and the thickness of the oleophobic layer 100 is 0.05mm~0.5mm.The floor heating pipe, internal layer oleophobic
Layer 100 is fluorinated polymer, and it has preferable barrier, high temperature resistance and good electrical property, and do not absorb moisture,
Coefficient of friction is low, weatherability is good, on the basis of it can ensure that floor heating pipe still possesses good thermal conductivity, carries out effective oleophobic
It is hydrophobic；The oleophobic layer 100 of unlike material can be bonded together by middle level adhesive layer 200 with heat-conducting layer 300, effectively prevent floor heating pipe
Occur lamination in use, improve the reliability that floor heating pipe uses；Outer layer heat-conducting layer 300 can be by heating water with heat
The form of conduction is heated.The floor heating pipe, is designed by using three-decker, oleophobic layer 100, adhesive layer 200 and is led
Thermosphere 300 mutually acts synergistically so that and heating water is difficult to that, in interior strata collection, without artificial dredging pipeline, heat conductivity can be improved,
Heat supply efficiency is improved, energy consumption is saved, ensures the reliability that floor heating pipe uses；Also, by the way that the thickness of oleophobic layer 100 is arranged to
0.05mm~0.5mm, the thickness of oleophobic layer 100 are suitable, on the one hand, are more than 150 ° to the surface contact angle of oil under water, Neng Gouyou
Effect plays oleophobic hydrophobic effect, and on the other hand, the thickness of oleophobic layer 100 will not be too thick, can save manufacturing cost, improves processability
Energy.
Further, the thickness of the adhesive layer 200 is 0.04mm~0.15mm.According to actual use demand, floor heating pipe
Integral thickness be usually certain, by the way that the thickness of adhesive layer 200 is arranged into 0.04mm~0.15mm, on the one hand, gluing
The thickness of layer 200 is suitable, can either effectively be bonded oleophobic layer 100 and heat-conducting layer 300 so that the floor heating pipe of the present embodiment is using
During be not easy to be layered；On the other hand, thickness range 0.05mm~0.5mm with oleophobic layer 100 acts synergistically so that oleophobic layer
100 with the integral thickness of adhesive layer 200 again will not be too thick and influence the thickness of outer layer heat-conducting layer 300 so that outer layer heat-conducting layer 300
Bearing strength is good, ensures the pressure-bearing temperature capability of heat-conducting layer 300.
Alternatively, the thickness of the oleophobic layer 100 is 0.08mm~0.15mm, and the thickness of the adhesive layer 200 is
0.08mm~0.12mm.And then oleophobic layer 100 and the thickness of adhesive layer 200 are suitable, oleophobic layer 100 can either be effectively bonded with leading
Thermosphere 300, prevent from being layered, realize preferable lipophobic hydrophobic energy, prevent incrustation scale from assembling, enable to the thickness of heat-conducting layer 300 again
It is thicker so that the pressure-bearing temperature capability of heat-conducting layer 300 is good.In the present embodiment, the thickness of the oleophobic layer 100 is 0.1mm, described
The thickness of adhesive layer 200 is 0.1mm, and oleophobic layer 100, adhesive layer 200, the thickness of heat-conducting layer 300 are suitable, the floor heating pipe of the present embodiment
Lipophobic hydrophobic can be good, effectively can prevent incrustation scale from assembling, and pressure-bearing temperature capability is good, service life length.
Further, the oleophobic layer 100 is at least one of PTFE, PFA or PVDF.Oleophobic layer 100 uses poly- four
At least one of PVF, soluble poly tetrafluoroethene or Kynoar, good heat conductivity, oleophobic hydrophobic effect is good,
On the basis of can ensureing that floor heating pipe still possesses good thermal conductivity, it is hydrophobic to carry out effective oleophobic, prevents incrustation scale from assembling.This implementation
In example, the constituent and its percentage by weight of the oleophobic layer 100 are：PTFE：0%~2%；PFA：40%~60%；
PVDF：40%~60%, oleophobic layer oleophobic effects are good.Alternatively, the constituent and its percentage by weight of the oleophobic layer 100
For：PTFE：0.5%；PFA：40%~60%；PVDF：40%~60%, oleophobic layer is more than 150 ° to the surface contact angle of oil,
155 ° are can reach, there is superoleophobic performance, and inner wall surface roughness is less than traditional floor heating pipe, inwall is more smooth, it is not easy to poly-
Collect incrustation scale.
In the present embodiment, the constituent and its percentage by weight of the heat-conducting layer 300 are Masterbatch：0%~2%；It is resistance to
Hot polymerization ethene：98%~100%.Heat-conducting layer 300 uses heat-proof polythene, heat-resist, pliability is good, heat conductivity is good, enters
And make it that the floor heating pipe resistance to pressure of the present embodiment is good, there is high thermal conductivity, good stability, service life length, shock resistance
The advantages that performance is good, safe.The floor heating pipe of the present embodiment is coloured in addition, Masterbatch can be added as needed on, face
It is good in the good dispersion of product, chemical stability to expect, the colour stable of floor heating pipe.Alternatively, the composition of the heat-conducting layer 300 into
Divide and its percentage by weight is Masterbatch：1%；Heat-proof polythene：99%.The floor heating pipe of the present embodiment can carry out effectively
Color, and colour stable, stability are good.
In the present embodiment, the adhesive layer 200 is maleic anhydride grafted polyethylene, the maleic anhydride grafted polyethylene
Percentage by weight is 100%.By the way that adhesive layer 200 is used into maleic anhydride grafted polyethylene, the adhesive layer 200 of the present embodiment was both
Good workability and other excellent properties with polyethylene, again with maleic anhydride polar molecule can reactive and strong pole again
Property, oleophobic layer 100 and heat-conducting layer 300 can be effectively bonded, effectively prevents from being layered, improves the reliability that floor heating pipe uses.
Floor heating pipe described in the present embodiment is as follows compared to traditional floor heating pipe, performance comparison：
| Performance indications | The floor heating pipe of the present embodiment | Traditional floor heating pipe |
| Surface contact angle (°) of the inwall to oil | 155 | 80 |
| Inner wall surface roughness (μm) | 0.1 | 0.3 |
Research shows that bigger to the surface contact angle of oil under water, oleophobic performance is better.Contrast is understood, described in the present embodiment
The inwall of floor heating pipe 150 ° are more than to the surface contact angle of oil, there is superoleophobic performance, and inner wall surface roughness is less than biography
System floor heating pipe, inwall are more smooth, it is not easy to assemble incrustation scale.
As shown in Figure 1 and Figure 2, a kind of preparation method of floor heating pipe, comprises the following steps：
S1：Manufacture oleophobic layer PP Pipe Compound, adhesive layer PP Pipe Compound and heat-conducting layer PP Pipe Compound.Specifically, can oleophobic layer 100
The constituent of constituent, the constituent of adhesive layer 200 and heat-conducting layer 300 is sufficiently mixed according to the ratio of setting
Processing obtains each oleophobic layer PP Pipe Compound, adhesive layer PP Pipe Compound and heat-conducting layer PP Pipe Compound.
S2：Oleophobic layer 100, adhesive layer 200 and heat-conducting layer 300 are used into coextru-lamination extrusion die extrusion molding.
S3：Sizing, cooling, cutting obtain the floor heating pipe.
The preparation method of the floor heating pipe, floor heating pipe extrudes one-step shaping using coextru-lamination extrusion die, easily manufactured,
The heat conductivity of floor heating pipe is preferable, and heat supply efficiency is higher, less energy consumption, and using reliable, manufacturing cost is relatively low, easy to process.
Further, the heat-conducting layer includes heat-proof polythene, and step S2's concretely comprises the following steps：
Using three-layer co-extruded composite extruding mould, the PP Pipe Compound of heat-conducting layer 300 is extruded by the first extruder, described first squeezes
The processing temperature for going out machine is controlled between 170 DEG C~220 DEG C, the control of the screw speed of first extruder 50r/min~
Between 100r/min；
The PP Pipe Compound of adhesive layer 200 is extruded by the second extruder, the processing temperature of second extruder is controlled at 180 DEG C
Between~220 DEG C, the screw speed of second extruder is controlled in 10r/min~30r/min；
The PP Pipe Compound of oleophobic layer 100 is extruded by the 3rd extruder, the processing temperature of the 3rd extruder is controlled at 200 DEG C
Between~250 DEG C, the control of the screw speed of the 3rd extruder is for 20r/min~50r/min；
Three layers of material are in the molten state in the mould temperature in co-extrusion in co-extrusion die, the co-extrusion die
Between 200 DEG C~250 DEG C, extruded velocity is controlled between 10m/min~30m/min for degree control.
Heat-conducting layer includes PE-RT (heat-proof polythene), and heat-proof polythene is a kind of using special MOLECULE DESIGN and synthesis
A kind of polyethylene of technique productions, it is obtained using the method for ethene and octene copolymer by the quantity and distribution that control side chain
Unique molecular structure, so as to significantly improve polyethylene high-temperature creep resistance.By using above-mentioned preparation method, each squeeze is controlled
Go out the processing temperature and rotating speed of machine, and control the mold temperature and speed of production of co-extrusion die, temperature and rotational speed matches enter
Row synergy, is advantageous to the plasticizing of the strand of heat-conducting layer, is advantageous to the stability of each thickness degree of floor heating pipe after shaping, energy
Enough improve stability, adhesive strength and the structural stability of the floor heating pipe of the present embodiment.
Alternatively, in step s 2：
The processing temperature of first extruder is controlled when between 170 DEG C~220 DEG C, is divided into five sections of temperature controls, first three section
Processing temperature control between 170 DEG C~200 DEG C, latter two sections of processing temperature is controlled between 200 DEG C~220 DEG C, and by
Every section of temperature of A-P steps up；
The processing temperature of second extruder is controlled when between 180 DEG C~220 DEG C, is divided into four sections of temperature controls, first two sections
Processing temperature control between 180 DEG C~200 DEG C, latter two sections of processing temperature is controlled between 200 DEG C~220 DEG C, and by
Every section of temperature of A-P steps up；
The processing temperature of 3rd extruder is controlled when between 200 DEG C~250 DEG C, is divided into six sections of temperature controls, first three section
Processing temperature control between 200 DEG C~230 DEG C, latter three sections of processing temperature is controlled between 230 DEG C~250 DEG C, and by
Every section of temperature of A-P steps up；
Mold temperature in the co-extrusion die is controlled when between 200 DEG C~250 DEG C, is divided into five sections of temperature controls, first three
The mold temperature of section is controlled between 200 DEG C~230 DEG C, and latter two sections of mold temperature is controlled between 230 DEG C~250 DEG C, and
Every section of temperature steps up from front to back.
It is sectional temperature-controlled by the process progress further to each extruder using above-mentioned preparation method, to coextrusion
The process progress of mould is sectional temperature-controlled, and each thickness degree of floor heating pipe after shaping is more stable, and adhesive strength is more preferable, and structure is more
To be reliable and stable.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of floor heating pipe, it is characterised in that including oleophobic layer, adhesive layer and heat-conducting layer, the adhesive layer is arranged at described
The outside of oleophobic layer, the heat-conducting layer are arranged at the outside of the adhesive layer, and the oleophobic layer is fluorinated polymer, and described
The thickness of oleophobic layer is 0.05mm~0.5mm.
2. floor heating pipe according to claim 1, it is characterised in that the thickness of the adhesive layer is 0.04mm~0.15mm.
3. floor heating pipe according to claim 2, it is characterised in that the oleophobic layer be PTFE, PFA or PVDF at least
It is a kind of.
4. floor heating pipe according to claim 3, it is characterised in that the constituent and its percentage by weight of the oleophobic layer
For：
PTFE：0%~2%；
PFA：40%~60%；
PVDF：40%~60%.
5. floor heating pipe according to claim 1, it is characterised in that the constituent and its percentage by weight of the heat-conducting layer
For：
Masterbatch：0%~2%；
Heat-proof polythene：98%~100%.
6. floor heating pipe according to claim 5, it is characterised in that the constituent and its percentage by weight of the heat-conducting layer
For：
Masterbatch：1%；
Heat-proof polythene：99%.
7. according to the floor heating pipe described in claim any one of 1-6, it is characterised in that the adhesive layer is that maleic anhydride grafting is poly-
Ethene, the percentage by weight of the maleic anhydride grafted polyethylene is 100%.
8. the preparation method of the floor heating pipe described in a kind of any one of claim 1-7, it is characterised in that comprise the following steps：
S1：Manufacture oleophobic layer PP Pipe Compound, adhesive layer PP Pipe Compound and heat-conducting layer PP Pipe Compound；
S2：Oleophobic layer, adhesive layer and heat-conducting layer are used into coextru-lamination extrusion die extrusion molding；
S3：Sizing, cooling, cutting obtain the floor heating pipe.
9. floor heating pipe according to claim 8, it is characterised in that the heat-conducting layer includes heat-proof polythene, step S2's
Concretely comprise the following steps：
Using three-layer co-extruded composite extruding mould, heat-conducting layer PP Pipe Compound is extruded by the first extruder, first extruder
Processing temperature is controlled between 170 DEG C~220 DEG C, and the screw speed of first extruder is controlled in 50r/min~100r/
Between min；
Adhesive layer PP Pipe Compound is extruded by the second extruder, the processing temperature of second extruder is controlled at 180 DEG C~220 DEG C
Between, the screw speed of second extruder is controlled in 10r/min~30r/min；
Oleophobic layer PP Pipe Compound is extruded by the 3rd extruder, the processing temperature of the 3rd extruder is controlled at 200 DEG C~250 DEG C
Between, the control of the screw speed of the 3rd extruder is for 20r/min~50r/min；
Three layers of material are in the molten state in the mold temperature control in co-extrusion in co-extrusion die, the co-extrusion die
Between 200 DEG C~250 DEG C, extruded velocity controls between 10m/min~30m/min system.
10. floor heating pipe according to claim 9, it is characterised in that in step s 2：
The processing temperature of first extruder is controlled when between 170 DEG C~220 DEG C, is divided into five sections of temperature controls, and first three section adds
Between 170 DEG C~200 DEG C, latter two sections of processing temperature controls between 200 DEG C~220 DEG C work temperature control, and by it is preceding extremely
Every section of temperature steps up afterwards；
The processing temperature of second extruder is controlled when between 180 DEG C~220 DEG C, is divided into four sections of temperature controls, first two sections plus
Between 180 DEG C~200 DEG C, latter two sections of processing temperature controls between 200 DEG C~220 DEG C work temperature control, and by it is preceding extremely
Every section of temperature steps up afterwards；
The processing temperature of 3rd extruder is controlled when between 200 DEG C~250 DEG C, is divided into six sections of temperature controls, and first three section adds
Between 200 DEG C~230 DEG C, latter three sections of processing temperature controls between 230 DEG C~250 DEG C work temperature control, and by it is preceding extremely
Every section of temperature steps up afterwards；
Mold temperature in the co-extrusion die is controlled when between 200 DEG C~250 DEG C, is divided into five sections of temperature controls, first three section
Mold temperature is controlled between 200 DEG C~230 DEG C, and latter two sections of mold temperature is controlled between 230 DEG C~250 DEG C, and by preceding
Stepped up to rear every section of temperature.
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|---|---|---|---|
| CN201710516463.7A CN107383714B (en) | 2017-06-29 | 2017-06-29 | Floor heating pipe and preparation method thereof |
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| CN108372671A (en) * | 2018-02-06 | 2018-08-07 | 日丰企业（佛山）有限公司 | Hydrophobic tubing of hydrophobic material, internal layer and preparation method thereof |
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| CN107383714B (en) | 2020-11-10 |
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Effective date of registration: 20201229 Address after: 7 Yuanhe Road, Wuqing District, Tianjin Patentee after: RiFeng enterprise (Tianjin) Co.,Ltd. Address before: 528100 f1-f14, No.1, RiFeng Road, Leping Town, Sanshui District, Foshan City, Guangdong Province Patentee before: FOSHAN RIFENG ENTERPRISE Co.,Ltd. Patentee before: RIFENG ENTERPRISE GROUP Co.,Ltd. Patentee before: RIFENG TECHNOLOGY Co.,Ltd. |