CN109096573A - A kind of PE double-wall pipe and preparation method thereof - Google Patents
A kind of PE double-wall pipe and preparation method thereof Download PDFInfo
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- CN109096573A CN109096573A CN201810676674.1A CN201810676674A CN109096573A CN 109096573 A CN109096573 A CN 109096573A CN 201810676674 A CN201810676674 A CN 201810676674A CN 109096573 A CN109096573 A CN 109096573A
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- 238000002360 preparation method Methods 0.000 title claims description 8
- 239000004698 Polyethylene Substances 0.000 claims abstract description 38
- 239000004014 plasticizer Substances 0.000 claims abstract description 24
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 23
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 23
- 229920001684 low density polyethylene Polymers 0.000 claims abstract description 23
- 239000004702 low-density polyethylene Substances 0.000 claims abstract description 23
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 21
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 13
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 9
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims abstract description 9
- 229940088417 precipitated calcium carbonate Drugs 0.000 claims abstract description 9
- 239000004926 polymethyl methacrylate Substances 0.000 claims abstract description 7
- 239000006096 absorbing agent Substances 0.000 claims abstract description 6
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims description 52
- 238000004898 kneading Methods 0.000 claims description 20
- -1 bisphenol sulfide class Chemical class 0.000 claims description 17
- 238000001125 extrusion Methods 0.000 claims description 12
- 239000000498 cooling water Substances 0.000 claims description 11
- 229930185605 Bisphenol Natural products 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 9
- 150000002148 esters Chemical class 0.000 claims description 9
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 4
- 239000012964 benzotriazole Substances 0.000 claims description 4
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims description 3
- 239000012965 benzophenone Substances 0.000 claims description 3
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 claims description 3
- 229960001860 salicylate Drugs 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims 2
- 125000005395 methacrylic acid group Chemical group 0.000 claims 1
- 229940124543 ultraviolet light absorber Drugs 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 229920009204 Methacrylate-butadiene-styrene Polymers 0.000 abstract description 7
- LKAVYBZHOYOUSX-UHFFFAOYSA-N buta-1,3-diene;2-methylprop-2-enoic acid;styrene Chemical compound C=CC=C.CC(=C)C(O)=O.C=CC1=CC=CC=C1 LKAVYBZHOYOUSX-UHFFFAOYSA-N 0.000 abstract description 7
- 238000005253 cladding Methods 0.000 abstract description 2
- 229920000573 polyethylene Polymers 0.000 description 25
- 230000035939 shock Effects 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 150000004702 methyl esters Chemical class 0.000 description 2
- 239000004709 Chlorinated polyethylene Substances 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical group C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- 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
- B32B1/00—Layered products having a non-planar shape
- B32B1/08—Tubular products
-
- 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
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
- F16L9/133—Rigid pipes of plastics with or without reinforcement the walls consisting of two layers
-
- 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
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The present invention relates to a kind of PE double-wall pipes, its tube wall is made of double-layer structure, internal layer are as follows: 100 mass parts of high density polyethylene (HDPE), haloflex 5-20 mass parts, polymethyl methacrylate 5-15 mass parts, precipitated calcium carbonate 1-10 mass parts, antioxidant 0.1-1 mass parts, plasticizer 0.2-1.5 mass parts.Outer layer are as follows: 100 mass parts of low density polyethylene (LDPE), haloflex 10-30 mass parts, poly- 1- butyl ester 7-30 mass parts, Methacrylate-butadiene-styrene 5-20 mass parts, fluorescer 5-10 mass parts, plasticizer 0.2-1.5 mass parts, antioxidant 0.5-2 mass parts and ultraviolet absorbing agent 0.5-2 mass parts.PE double-walled tube wall inner layer material of the invention improves the ring stiffness of bellows based on the high high density polyethylene (HDPE) of rigidity, and cladding material is formulated with improving based on the good low density polyethylene (LDPE) of erosion-resisting characteristics as semi-rigid.By the design to tube wall ectonexine formula variation, its impact resistance and toughness are also improved while improving tube wall strength, improves the mechanical property of PE double-wall pipe.
Description
Technical field
The present invention relates to PE pipe fields more particularly to a kind of PE double-wall pipe and preparation method thereof.
Background technique
Polyethylene (PE) is the simplest macromolecular organic compound of structure, and polyethylene is formed by vinyl polymerization, be can be made into
Various application materials are one of most widely used high molecular materials in the world today.Wherein tubing is wherein very important one
Kind, it is compared with the tubing of other materials, PE pipe has the following characteristics that 1) good sanitation performance；2) brilliant corrosion resistance；
3) permanent service life；4) reliable switching performance；6) good workability.In actual use, PE double-walled is often required that
It manages not only compression strength with higher but also there is good impact resistance.Therefore provide that a kind of rigidity is high, shock proof PE double-walled
Pipe is problem to be solved by this invention.
Summary of the invention
The present invention overcomes the deficiencies in the prior art, provide that a kind of rigidity is high, shock proof PE double-wall pipe.
In order to achieve the above objectives, the technical solution adopted by the present invention are as follows: provide a kind of PE double-wall pipe, it is characterised in that:
Tube wall is made of double-layer structure, including internal layer and outer layer；The internal layer raw material composition are as follows: 100 mass parts of high density polyethylene (HDPE), chlorine
Change polyethylene 5-20 mass parts, polymethyl methacrylate 5-15 mass parts, precipitated calcium carbonate 1-10 mass parts, antioxidant
0.1-1 mass parts, plasticizer 0.2-1.5 mass parts.Outer layer raw material composition are as follows: 100 mass parts of low density polyethylene (LDPE), chlorinated polyethylene
It is alkene 10-30 mass parts, poly- 1- butyl ester 7-30 mass parts, Methacrylate-butadiene-styrene 5-20 mass parts, glimmering
Photo etching 5-10 mass parts, plasticizer 0.2-1.5 mass parts, antioxidant 0.5-2 mass parts and ultraviolet absorbing agent 0.5-2 matter
Measure part.
As a preferred embodiment, the internal layer raw material composition are as follows: 100 mass parts of high density polyethylene (HDPE), haloflex
7-10 mass parts, polymethyl methacrylate 6-10 mass parts, precipitated calcium carbonate 5-8 mass parts, antioxidant 0.5-0.8 mass
Part, plasticizer 0.5-1 mass parts.
As a preferred embodiment, the outer layer raw material composition are as follows: 100 mass parts of low density polyethylene (LDPE), haloflex
12-15 mass parts, poly- 1- butyl ester 10-12 mass parts, Methacrylate-butadiene-styrene 6-10 mass parts, fluorescence
Agent 6-8 mass parts, plasticizer 0.5-1 mass parts, antioxidant 0.8-1 mass parts and ultraviolet absorbing agent 0.8-1 mass parts.
As a preferred embodiment, antioxidant is bisphenol sulfide kind antioxidant.
As a kind of more preferable scheme, the plasticizer is dibutyl ester class plasticizer or dioctyl ester class plasticizer.
As a kind of more preferable scheme, the ultraviolet absorbing agent is the one of benzotriazole, benzophenone or salicylate
Kind.
The present invention also provides the preparation methods of above-mentioned PE double-wall pipe, which comprises the following steps:
(1) internal layer raw material and outer layer raw material are weighed respectively；
(2) internal layer raw material and outer layer raw material are respectively placed in container and are uniformly mixed, then put into kneader and mediate respectively, obtain
To kneading raw material；
(3) raw material after kneading is squeezed out by twin-screw extrusion equipment；
(4) extruded material generates base pipe by certain mold；The base pipe enters Vacuum shaping under pulling equipment traction
It is formed in machine；
(5) cooling, cutting obtains finished product.
As a preferred embodiment, extrusion temperature is controlled at 160-230 DEG C in the step (3).
As a kind of more preferable scheme, vacuum degree control is in 0.01-0.10MPa in the step (4).
Cooling using cooling water in the step (5) as a kind of more preferable scheme, the cooling water temperature control exists
10-30℃。
The beneficial technical effect of the present invention lies in: provide that a kind of rigidity is high, shock proof PE double-wall pipe.PE of the invention
Double-walled tube wall has inside and outside two layers, and inner layer material design improves ripple based on the high high density polyethylene (HDPE) (HDPE) of rigidity
The compression strength of pipe, cladding material are formulated based on the better low density polyethylene (LDPE) of erosion-resisting characteristics (LDPE) as semi-rigid.Pass through
Design to tube wall ectonexine formula variation also improves its impact resistance and toughness while improving tube wall strength, improves
The mechanical property of PE double-wall pipe.Appropriate fluorescer is added in PE outer wall simultaneously, when tube wall occurs damaged, even if in darkness
Environment in can also find breakage, be conducive to improve maintenance efficiency, reduce the cost of maintenance.
Specific embodiment
The invention will be further described combined with specific embodiments below.Following embodiment is only used for clearly illustrating
Technical solution of the present invention, and not intended to limit the protection scope of the present invention.
Embodiment 1
The present invention provides a kind of PE double-wall pipe, tube wall is made of double-layer structure, including internal layer and outer layer.
Internal layer raw material composition are as follows: 100 mass parts of high density polyethylene (HDPE), 5 mass parts of haloflex, poly-methyl methacrylate
15 mass parts of ester, 10 mass parts of precipitated calcium carbonate, 0.1 mass parts of bisphenol sulfide class antioxidant, 1.5 matter of dibutyl ester class plasticizer
Measure part.
Outer layer raw material composition are as follows: 100 mass parts of low density polyethylene (LDPE), 10 mass parts of haloflex, poly- 7 mass of 1- butyl ester
Part, 20 mass parts of Methacrylate-butadiene-styrene, 5 mass parts of fluorescer, 1.5 mass of dibutyl ester class plasticizer
Part, 2 mass parts of bisphenol sulfide class antioxidant and 2 mass parts of benzotriazole.
PE double-wall pipe is prepared as follows:
(1) internal layer raw material and outer layer raw material are weighed respectively；
(2) internal layer raw material and outer layer raw material are respectively placed in container and are uniformly mixed, then put into kneader and mediate respectively, obtain
To kneading raw material；Kneading temperature is 80 DEG C；Kneading time is 30min；
(3) raw material after kneading is squeezed out by twin-screw extrusion equipment, extrusion temperature is controlled at 160 DEG C；
(4) extruded material generates base pipe by certain mold；Base pipe enters in vacuum setting machine under pulling equipment traction is formed,
Vacuum degree control is in 0.01MPa；
(5) cooling using cooling water, cutting obtains finished product；The cooling water temperature control is at 10 DEG C.
Embodiment 2
The present invention provides a kind of PE double-wall pipe, tube wall is made of double-layer structure, including internal layer and outer layer.
Internal layer raw material composition are as follows: 100 mass parts of high density polyethylene (HDPE), 7 mass parts of haloflex, poly-methyl methacrylate
10 mass parts of ester, 8 mass parts of precipitated calcium carbonate, 0.5 mass parts of bisphenol sulfide class antioxidant, 1 mass of dioctyl ester class plasticizer
Part.
Outer layer raw material composition are as follows: 100 mass parts of low density polyethylene (LDPE), 12 mass parts of haloflex, poly- 10 matter of 1- butyl ester
Measure part, 10 mass parts of Methacrylate-butadiene-styrene, 6 mass parts of fluorescer, 1 mass of dioctyl ester class plasticizer
Part, 1 mass parts of bisphenol sulfide class antioxidant and 1 mass parts of benzophenone.
PE double-wall pipe is prepared as follows:
(1) internal layer raw material and outer layer raw material are weighed respectively；
(2) internal layer raw material and outer layer raw material are respectively placed in container and are uniformly mixed, then put into kneader and mediate respectively, obtain
To kneading raw material；Kneading temperature is 80 DEG C；Kneading time is 40min；
(3) raw material after kneading is squeezed out by twin-screw extrusion equipment, extrusion temperature is controlled at 180 DEG C；
(4) extruded material generates base pipe by certain mold；Base pipe enters in vacuum setting machine under pulling equipment traction is formed,
Vacuum degree control is in 0.04MPa；
(5) cooling using cooling water, cutting obtains finished product；The cooling water temperature control is at 18 DEG C.
Embodiment 3
The present invention provides a kind of PE double-wall pipe, tube wall is made of double-layer structure, including internal layer and outer layer.
Internal layer raw material composition are as follows: 100 mass parts of high density polyethylene (HDPE), 10 mass parts of haloflex, polymethylacrylic acid
6 mass parts of methyl esters, 5 mass parts of precipitated calcium carbonate, 0.8 mass parts of bisphenol sulfide class antioxidant, 0.5 matter of dibutyl ester class plasticizer
Measure part.
Outer layer raw material composition are as follows: 100 mass parts of low density polyethylene (LDPE), 15 mass parts of haloflex, poly- 15 matter of 1- butyl ester
Measure part, 6 mass parts of Methacrylate-butadiene-styrene, 8 mass parts of fluorescer, 0.5 matter of dibutyl ester class plasticizer
Measure part, 0.8 mass parts of bisphenol sulfide class antioxidant and 0.8 mass parts of salicylate.
PE double-wall pipe is prepared as follows:
(1) internal layer raw material and outer layer raw material are weighed respectively；
(2) internal layer raw material and outer layer raw material are respectively placed in container and are uniformly mixed, then put into kneader and mediate respectively, obtain
To kneading raw material；Kneading temperature is 70 DEG C；Kneading time is 45min；
(3) raw material after kneading is squeezed out by twin-screw extrusion equipment, extrusion temperature is controlled at 200 DEG C；
(4) extruded material generates base pipe by certain mold；Base pipe enters in vacuum setting machine under pulling equipment traction is formed,
Vacuum degree control is in 0.07MPa；
(5) cooling using cooling water, cutting obtains finished product；The cooling water temperature control is at 24 DEG C.
Embodiment 4
The present invention provides a kind of PE double-wall pipe, tube wall is made of double-layer structure, including internal layer and outer layer.
Internal layer raw material composition are as follows: 100 mass parts of high density polyethylene (HDPE), 20 mass parts of haloflex, polymethylacrylic acid
5 mass parts of methyl esters, 1 mass parts of precipitated calcium carbonate, 1 mass parts of bisphenol sulfide class antioxidant, 0.2 mass of dioctyl ester class plasticizer
Part.
Outer layer raw material composition are as follows: 100 mass parts of low density polyethylene (LDPE), 30 mass parts of haloflex, poly- 30 matter of 1- butyl ester
Measure part, 5 mass parts of Methacrylate-butadiene-styrene, 10 mass parts of fluorescer, 0.2 matter of dioctyl ester class plasticizer
Measure part, 0.5 mass parts of bisphenol sulfide class antioxidant and 0.5 mass parts of benzotriazole.
PE double-wall pipe is prepared as follows:
(1) internal layer raw material and outer layer raw material are weighed respectively；
(2) internal layer raw material and outer layer raw material are respectively placed in container and are uniformly mixed, then put into kneader and mediate respectively, obtain
To kneading raw material；Kneading temperature is 60 DEG C；Kneading time is 60min；
(3) raw material after kneading is squeezed out by twin-screw extrusion equipment, extrusion temperature is controlled at 230 DEG C；
(4) extruded material generates base pipe by certain mold；Base pipe enters in vacuum setting machine under pulling equipment traction is formed,
Vacuum degree control is in 0.10MPa；
(5) cooling using cooling water, cutting obtains finished product；The cooling water temperature control is at 30 DEG C.
Based on the above description of the preferred embodiments of the present invention, through the above description, related personnel completely can be with
Without departing from the scope of the technological thought of the present invention', various changes and amendments are carried out.The technical scope of this invention
It is not limited to the contents of the specification, it is necessary to determine the technical scope according to the scope of the claims.
Claims (10)
1. a kind of PE double-wall pipe, it is characterised in that: tube wall is made of double-layer structure, including internal layer and outer layer；The internal layer raw material
Composition are as follows: 100 mass parts of high density polyethylene (HDPE), haloflex 5-20 mass parts, polymethyl methacrylate 5-15 mass parts,
Precipitated calcium carbonate 1-10 mass parts, antioxidant 0.1-1 mass parts, plasticizer 0.2-1.5 mass parts；Outer layer raw material composition are as follows:
100 mass parts of low density polyethylene (LDPE), haloflex 10-30 mass parts, poly- 1- butyl ester 7-30 mass parts, methacrylic acid-fourth
Diene-styrene copolymer 5-20 mass parts, fluorescer 5-10 mass parts, plasticizer 0.2-1.5 mass parts, antioxidant 0.5-
2 mass parts and ultraviolet absorbing agent 0.5-2 mass parts.
2. PE double-wall pipe according to claim 1, it is characterised in that: the internal layer raw material composition are as follows: high density polyethylene (HDPE)
100 mass parts, haloflex 7-10 mass parts, polymethyl methacrylate 6-10 mass parts, precipitated calcium carbonate 5-8 mass
Part, antioxidant 0.5-0.8 mass parts, plasticizer 0.5-1 mass parts.
3. PE double-wall pipe according to claim 1, it is characterised in that: the outer layer raw material composition are as follows: low density polyethylene (LDPE)
100 mass parts, haloflex 12-15 mass parts, poly- 1- butyl ester 10-12 mass parts, methacrylic acid-butadiene-styrene
Copolymer 6-10 mass parts, fluorescer 6-8 mass parts, plasticizer 0.5-1 mass parts, antioxidant 0.8-1 mass parts and purple
Ultraviolet absorbers 0.8-1 mass parts.
4. PE double-wall pipe according to claim 1 to 3, it is characterised in that: antioxidant is bisphenol sulfide class antioxygen
Agent.
5. PE double-wall pipe according to claim 4, it is characterised in that: the plasticizer is that dibutyl ester class plasticizer or two are pungent
Ester plasticizer.
6. PE double-wall pipe according to claim 5, it is characterised in that: the PVC base composition and content are as follows: described ultraviolet
Light absorbers are benzotriazole, one kind of benzophenone or salicylate.
7. the preparation method of PE double-wall pipe as described in claim 1, which comprises the following steps:
(1) internal layer raw material and outer layer raw material are weighed respectively；
(2) internal layer raw material and outer layer raw material are respectively placed in container and are uniformly mixed, then put into kneader and mediate respectively, obtain
To kneading raw material；
(3) raw material after kneading is squeezed out by twin-screw extrusion equipment；
(4) extruded material generates base pipe by certain mold；The base pipe enters Vacuum shaping under pulling equipment traction
It is formed in machine；
(5) cooling, cutting obtains finished product.
8. the preparation method of PE double-wall pipe according to claim 7, it is characterised in that: extrusion temperature in the step (3)
Control is at 160-230 DEG C.
9. the preparation method of PE double-wall pipe according to claim 8, it is characterised in that: vacuum degree control in the step (4)
System is in 0.01-0.10MPa.
10. the preparation method of PE double-wall pipe according to claim 9, it is characterised in that: using cooling in the step (5)
Water is cooling, and the cooling water temperature control is at 10-30 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810676674.1A CN109096573A (en) | 2018-06-27 | 2018-06-27 | A kind of PE double-wall pipe and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810676674.1A CN109096573A (en) | 2018-06-27 | 2018-06-27 | A kind of PE double-wall pipe and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN109096573A true CN109096573A (en) | 2018-12-28 |
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Cited By (5)
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| CN109655983A (en) * | 2019-01-30 | 2019-04-19 | 江苏诺贝尔塑业有限公司 | A kind of corrosion-resistant silicone pipes |
| CN109814215A (en) * | 2019-01-25 | 2019-05-28 | 江苏诺贝尔塑业有限公司 | A kind of high intensity silicone pipes |
| CN109838628A (en) * | 2019-03-15 | 2019-06-04 | 惠升管业有限公司 | A kind of winter double-wall corrugated pipe and preparation method thereof |
| CN109940929A (en) * | 2019-03-15 | 2019-06-28 | 惠升管业有限公司 | A kind of summer double-wall corrugated pipe and preparation method thereof |
| CN112078191A (en) * | 2020-09-10 | 2020-12-15 | 苏州市桔园管业有限公司 | High leakproofness PE pipeline |
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| CN109814215A (en) * | 2019-01-25 | 2019-05-28 | 江苏诺贝尔塑业有限公司 | A kind of high intensity silicone pipes |
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| CN109940929A (en) * | 2019-03-15 | 2019-06-28 | 惠升管业有限公司 | A kind of summer double-wall corrugated pipe and preparation method thereof |
| CN112078191A (en) * | 2020-09-10 | 2020-12-15 | 苏州市桔园管业有限公司 | High leakproofness PE pipeline |
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