CN108656586A - A kind of manufacture system of tri- layers of resistance oxygen pipes of PE-RT - Google Patents
A kind of manufacture system of tri- layers of resistance oxygen pipes of PE-RT Download PDFInfo
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- CN108656586A CN108656586A CN201810356270.4A CN201810356270A CN108656586A CN 108656586 A CN108656586 A CN 108656586A CN 201810356270 A CN201810356270 A CN 201810356270A CN 108656586 A CN108656586 A CN 108656586A
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- Prior art keywords
- tri
- layers
- manufacture system
- resistance oxygen
- resins
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
- C08L23/0861—Saponified vinylacetate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The present invention provides a kind of manufacture systems of tri- layers of resistance oxygen pipes of PE RT, it is characterised in that：By set gradually sandwich layer extruder, vacuum shaping box, cooling water tank, divide Water fan, sandwich layer dragger, aluminium skin heater, aluminium skin coating machine, outer rubber extruding machine, outer layer extruder, cooling water tank, Water fan, dragger, cutting machine, tilting trestle divided to form；The tubing manufactured using technique as above, oxygen resistance is good, tough and tensile performance is good, and can improve coefficient safe to use, extends product service life.
Description
Technical field
The present invention relates to steady state pipe tubing manufacturing field, more particularly to a kind of manufacture system of tri- layers of resistance oxygen pipes of PE-RT.
Background technology
With the continuous improvement of people's living standards, being continuously available in building field low-temperature radiant floor heating system universal
It promotes, the novel tube PE-RT that the tubing for floor heating is also newly released by initial PPR pipe gradually replaces.
Because PE-RT tubing has, thermal coefficient is good, high temperature resistant, the smooth non-scaling of inner surface, flexibility are good, chemical constitution
Stablize, has many advantages, such as good corrosion resistance to general acid-base material.Long-term service temperature has in the case of 5 DEG C~65 DEG C
There is stability preferable, on-deformable chemical property.Interface uses specific purpose tool hot-melt adhesive paste, the pipe part of same material molten
It is integrated, is not in leakage phenomenon.It is easy for installation, quick with connection, it is safe and reliable the features such as.It has obtained vast
The approval of northern area client, and gradually south market development.It is a kind of economic, material benefit special tubing of floor heating.
But recognized by visiting designing institute and user, common PE-RT tubing oxygen resistances are poor, and oxygen is used for a long time
Gas is entered by tubing in hot water, corrosion can be generated to boiler and radiator, so the hot water in building, floor are adopted at present
The fields such as warm high temperature heat sink, pipe expansion coefficient becomes when the product of the single raw material production used has conveying hot water
Greatly, pipe deforming is to cause a series of security-hidden trouble.
Invention content
In view of disadvantages described above, the purpose of the present invention is overcoming the shortcomings of in the prior art, the present invention is from product structure and squeezes
Go out in technique and is improved, i.e., material formula, by changing extrusion, and increase resistance oxygen production equipment and sol layer etc. and set
It is standby to increase by one layer of oxidation prevention layer in tubing outer layer, the oxygen resistance and toughness of tubing are improved with this, and can improve using peace
Overall coefficient extends product service life.
The present invention provides a kind of manufacture systems of tri- layers of resistance oxygen pipes of PE-RT, it is characterised in that：By the sandwich layer set gradually
Extruder, cooling water tank, divides Water fan, sandwich layer dragger, aluminium skin heater, aluminium skin coating machine, outer glue to squeeze out at vacuum shaping box
Machine, cooling water tank, divides Water fan, dragger, cutting machine, tilting trestle composition at outer layer extruder；
Mixed material is extruded into sandwich layer pipe by above-mentioned sandwich layer extruder by the technique of extrusion molding；Above-mentioned Vacuum shaping
It case, cooling water tank and is sent in aluminium skin coating machine after dividing Water fan that sandwich layer pipe is carried out shaping and cooled down respectively and carries out sandwich layer
Aluminium suitcase outside pipe covers；After the outer surface of tube body being covered to complete coats adhesive by outer rubber extruding machine, squeezed with outer layer extruder
The outer tube gone out bonds to form three-layer pipe；The three-layer pipe through cooling water tank and divide Water fan sizing and cooling treatment after be admitted to
Sub-material and packaging are carried out on cutting machine and tilting trestle.
Further, the manufacture system of tri- layers of resistance oxygen pipes of a kind of PE-RT provided by the invention, also has the characteristics that such：
I.e., above-mentioned sandwich layer pipe after the material mixing of following mass fraction by squeezing out：
Further, the manufacture system of tri- layers of resistance oxygen pipes of a kind of PE-RT provided by the invention, also has the characteristics that such：
I.e., above-mentioned outer tube after the material mixing of following mass fraction by squeezing out：
Colorants, heat stabilizer, the crosslinking agents such as the generally optional self filler of above-mentioned processing aid, color masterbatch etc..
Further, the manufacture system of tri- layers of resistance oxygen pipes of a kind of PE-RT provided by the invention, also has the characteristics that such：
I.e., above-mentioned PE-RT resins are the mixture of low density PE-RT resins and high density PE-RT resins.
The density of the low density PE-RT resins is in 0.901~0.918g/cm3Between；
The density of high density PE-RT resins is in 0.961~0.978g/cm3Between；
Further, the manufacture system of tri- layers of resistance oxygen pipes of a kind of PE-RT provided by the invention, also has the characteristics that such：
I.e., the ratio of above-mentioned low density PE-RT resins and high density PE-RT resins is 60：40-50.
Further, the manufacture system of tri- layers of resistance oxygen pipes of a kind of PE-RT provided by the invention, also has the characteristics that such：
I.e., above-mentioned EVOH resins are the mixture of low-density EVOH resins and high density EVOH resins.
The density of low-density EVOH resins is in 0.916~0.922g/cm3Between；
The density of high density EVOH resins is in 0.956~0.963g/cm3Between.
Further, the manufacture system of tri- layers of resistance oxygen pipes of a kind of PE-RT provided by the invention, also has the characteristics that such：
I.e., the ratio of above-mentioned low-density EVOH resins and high density EVOH resins is 80：10-20.
Further, the manufacture system of tri- layers of resistance oxygen pipes of a kind of PE-RT provided by the invention, also has the characteristics that such：
I.e., above-mentioned to be used in the aluminium flake of cladding include mass percentage content to be 0.05-0.11%
Further, the manufacture system of tri- layers of resistance oxygen pipes of a kind of PE-RT provided by the invention, also has the characteristics that such：
I.e., further include an at least X-ray machine X, be set to after sandwich layer extruder or after outer layer extruder.
Further, the manufacture system of tri- layers of resistance oxygen pipes of a kind of PE-RT provided by the invention, also has the characteristics that such：
I.e., the thickness ratio of above-mentioned sandwich layer pipe, aluminium flake layer and outer tube is 1：0.1-1:1-1.5.
The effect of invention and effect：
In the present invention, by the material formula of change extrusion, and increase resistance oxygen production equipment and sol layer etc. and set
It is standby to increase by one layer of oxidation prevention layer in tubing outer layer, the oxygen resistance and toughness of tubing are improved with this, and can improve using peace
Overall coefficient extends product service life.
In the present invention, the resistance oxygen pipe squeezed out by more extruders can make the resistance oxygen of the ectonexine of tubing and centre at
The advantages of plastics and oxygen barrier material, is perfectly combined using coextru-lamination technology for an organic whole, production
Tubing is safe and reliable by plastic layer pressure-bearing, and oxidation prevention layer plays a part of to hinder oxygen and to thermal stability, significant effect overcomes pure PE-
RT pipes cannot hinder oxygen and poor to thermal stability, especially generate corrosion, the partially short defect of service life to boiler and radiator.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the manufacture system of tri- layers of resistance oxygen pipes of PE-RT involved by the present embodiment one.
Specific implementation mode
The manufacture systems for present embodiments providing a kind of tri- layers of resistance oxygen pipe of PE-RT, by set gradually sandwich layer extruder 1,
X-ray machine X 2, vacuum shaping box 3, cooling water tank 4, divide Water fan 5, sandwich layer dragger 6, aluminium skin coating machine 7, aluminium skin heater 8,
Outer rubber extruding machine 9, cooling water tank 4, divides Water fan 5, dragger 11, cutting machine 12, tilting trestle 13 to form at outer layer extruder 10.
Mixture is kneaded plasticizing by single screw rod/double screw extruder by the heating of screw rod and machine barrel, squeezed out by mold,
Sizing system is shaped into internal layer sandwich layer pipe tubing, and the inner tube after sizing is then delivered to aluminium skin heater, aluminium skin heater pair
Aluminium endo-endothelial layer hot melt adhesive is heated, and hot melt adhesive is made to melt, and then aluminium skin is pasted onto on the lateral wall of inner tube and is delivered to aluminium
Then aluminium suitcase is rolled in the outer wall and compression of inner tube by skin coating machine, aluminium skin is made to be bonded completely with the outer surface of inner tube, forms aluminium
Outer rubber extruding machine is transported to after pipe.Outer glue is poured into outer glue feed inlet by outer rubber extruding machine, and outer glue extrusion squeezes out outer glue
And the outer surface for being coated uniformly on aluminum pipe forms sebific duct, and it is delivered to outer layer extruder.Outer layer extruder mixed material is added
It is squeezed out after thermoplastification, materials in the tube is tightly encased to the outer glue-line of sebific duct, form multiple tube, last cooling and shaping is at product.
In the set-up procedure of above-mentioned extrusion, sandwich layer extruder 1 to be used, outer rubber extruding machine 9, outer layer extruder 10 are by matching
Side's proportioning, sandwich layer pipe raw material, viscose raw material and the outer tube raw material of extrusion need first after drying device is fully dry, will be through dry
Dry internal layer raw material, resistance oxygen material, hot melt gum resin are put into extruder barrel respectively, through passing through composite die to extruder heating
It squeezes out, is drawn after cooling by dragger through vacuum is fixed through case is fixed to tubing, form the resistance oxygen pipe of a three-decker, product
After cold front heavy rain tubing, discharging platform are cut off when tubing is given birth to production specific length by dragger traction tubing Forward, cutting machine
It is interim to store the tubing cut off, put down finished product tubing after packaging to be tested.
Scheme one,
The internal layer composition of raw materials is：PE-RT resins 100%,
Aluminium flake clad：Aluminium 100%
Middle layer：Hot melt adhesive 100%,
Outer layer composition of raw materials is：EVOH resins 98%, color masterbatch 2% (medium density polyethylene),
Scheme two,
The internal layer composition of raw materials is：PE-RT resins 100%；
Aluminium flake clad：Aluminium 99.8%, graphene 0.2%；
Middle layer：Hot melt adhesive 100%,
Outer layer composition of raw materials is：EVOH resins 98%, color masterbatch 2% (medium density polyethylene).
Scheme three,
The internal layer composition of raw materials is：100 parts of PE-RT resins (high density/low-density=60/40), 0.1 part of antioxidant,
0.5 part of graphene powder；
Aluminium flake clad：Aluminium 100%
Middle layer：Hot melt adhesive 100%,
Outer layer composition of raw materials is：100 parts of EVOH resins (high density/low-density=80/20), graphene modified polyurethane 1
Part, 1.5 parts of color masterbatch.
By taking the product of scheme one to three as an example, which is the integral structure that bonding is combined into, and intensity is high, avoids something lost
The problem of leakage and seam crossing are easy cracking, one tubing bearing capacity of scheme improves 5.5% compared with the PE-RT tubing of conventional monolayers,
Two tubing bearing capacity of scheme improves 12.1% compared with the PE-RT tubing of conventional monolayers, and three tubing bearing capacity of scheme is more traditional
The PE-RT tubing of single layer improves 18.3%.
In the scheme of the present embodiment 1-3, inner tube layer choosing heat-proof polythene resin, outer covering layer selects resistance oxygen resin material,
Bonded by hot melt adhesive, become an entirety, at the same also reached uvioresistant, impervious oxygen, reduce linear expansion coefficient and
The effect of safety.Through experiment, the oxygen resistance of one tubing of scheme improves 14.7% compared with the PE-RT tubing of conventional monolayers, side
The oxygen resistance of two tubing of case improves 25.5% compared with the PE-RT tubing of conventional monolayers, and the oxygen resistance of three tubing of scheme relatively passes
The PE-RT tubing of system single layer improves 35.5%.The service life of one tubing of scheme is improved compared with the PE-RT tubing of conventional monolayers
2 times, the service life of two tubing of scheme improves 2.5 times compared with the PE-RT tubing of conventional monolayers, the service life of three tubing of scheme
PE-RT tubing compared with conventional monolayers improves 3 times or so.
Claims (10)
1. a kind of manufacture system of tri- layers of resistance oxygen pipes of PE-RT, it is characterised in that：It is fixed by the sandwich layer extruder that sets gradually, vacuum
Molding box, cooling water tank divide Water fan, sandwich layer dragger, aluminium skin heater, aluminium skin coating machine, outer rubber extruding machine, outer layer to squeeze out
Machine, cooling water tank divide Water fan, dragger, cutting machine, tilting trestle composition；
Mixed material is extruded into sandwich layer pipe by the sandwich layer extruder by the technique of extrusion molding；The vacuum shaping box,
Cooling water tank and progress sandwich layer pipe in aluminium skin coating machine is sent to after dividing Water fan that sandwich layer pipe is carried out shaping and cooled down respectively
Outer aluminium suitcase covers；After the outer surface of tube body being covered to complete coats adhesive by outer rubber extruding machine, squeezed out with outer layer extruder
Outer tube bond to form three-layer pipe；The three-layer pipe through cooling water tank and divide Water fan sizing and cooling treatment after be admitted to and cut
Sub-material and packaging are carried out on cutting mill and tilting trestle.
2. a kind of manufacture system of tri- layers of resistance oxygen pipes of PE-RT as described in claim 1, it is characterised in that：
The sandwich layer pipe after the material mixing of following mass fraction by squeezing out：
3. a kind of manufacture system of tri- layers of resistance oxygen pipes of PE-RT as described in claim 1, it is characterised in that：
The outer tube after the material mixing of following mass fraction by squeezing out：
4. a kind of manufacture system of tri- layers of resistance oxygen pipes of PE-RT as claimed in claim 2, it is characterised in that：
The PE-RT resins are the mixture of low density PE-RT resins and high density PE-RT resins.
5. a kind of manufacture system of tri- layers of resistance oxygen pipes of PE-RT as claimed in claim 4, it is characterised in that：
The ratio of the low density PE-RT resins and high density PE-RT resins is 60：40-50.
6. a kind of manufacture system of tri- layers of resistance oxygen pipes of PE-RT as claimed in claim 3, it is characterised in that：
The EVOH resins are the mixture of low-density EVOH resins and high density EVOH resins.
7. a kind of manufacture system of tri- layers of resistance oxygen pipes of PE-RT as claimed in claim 6, it is characterised in that：
The ratio of the low-density EVOH resins and high density EVOH resins is 80：10-20.
8. a kind of manufacture system of tri- layers of resistance oxygen pipes of PE-RT as described in claim 1, it is characterised in that：
It is described to be used in the aluminium flake of cladding include mass percentage content to be 0.05-0.11%.
9. a kind of manufacture system of tri- layers of resistance oxygen pipes of PE-RT as described in claim 1-8 is any, it is characterised in that：
Further include an at least X-ray machine X, is set to after sandwich layer extruder or after outer layer extruder.
10. a kind of manufacture system of tri- layers of resistance oxygen pipes of PE-RT as described in claim 1, it is characterised in that：
The thickness ratio of above-mentioned sandwich layer pipe, aluminium flake layer and outer tube is 1：0.1-1:1-1.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810356270.4A CN108656586A (en) | 2018-04-19 | 2018-04-19 | A kind of manufacture system of tri- layers of resistance oxygen pipes of PE-RT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810356270.4A CN108656586A (en) | 2018-04-19 | 2018-04-19 | A kind of manufacture system of tri- layers of resistance oxygen pipes of PE-RT |
Publications (1)
| Publication Number | Publication Date |
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| CN108656586A true CN108656586A (en) | 2018-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810356270.4A Pending CN108656586A (en) | 2018-04-19 | 2018-04-19 | A kind of manufacture system of tri- layers of resistance oxygen pipes of PE-RT |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113524745A (en) * | 2021-07-01 | 2021-10-22 | 金塑企业集团（上海）有限公司 | High-strength polyolefin composite pipe and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1652664A1 (en) * | 2004-10-29 | 2006-05-03 | CommScope, Inc. of North Carolina | Multilayer tube assembly and methods for forming and using the same |
| CN101644360A (en) * | 2009-09-04 | 2010-02-10 | 王新权 | Antibacterial oxygen obstructing composite pipe and preparation method thereof |
| CN106142497A (en) * | 2015-05-18 | 2016-11-23 | 上海上塑控股（集团）有限公司 | Steady state pipe making apparatus |
-
2018
- 2018-04-19 CN CN201810356270.4A patent/CN108656586A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1652664A1 (en) * | 2004-10-29 | 2006-05-03 | CommScope, Inc. of North Carolina | Multilayer tube assembly and methods for forming and using the same |
| CN101644360A (en) * | 2009-09-04 | 2010-02-10 | 王新权 | Antibacterial oxygen obstructing composite pipe and preparation method thereof |
| CN106142497A (en) * | 2015-05-18 | 2016-11-23 | 上海上塑控股（集团）有限公司 | Steady state pipe making apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113524745A (en) * | 2021-07-01 | 2021-10-22 | 金塑企业集团（上海）有限公司 | High-strength polyolefin composite pipe and preparation method thereof |
| CN113524745B (en) * | 2021-07-01 | 2022-05-20 | 金塑企业集团（上海）有限公司 | High-strength polyolefin composite pipe and preparation method thereof |
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