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 PDF

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Publication number
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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Prior art keywords
mass parts
double
raw material
wall pipe
plasticizer
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Pending
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CN201810676674.1A
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Chinese (zh)
Inventor
郭利利
孙丽华
周志华
杨利
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Jiangsu Nobel Plastics Co Ltd
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Jiangsu Nobel Plastics Co Ltd
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Priority to CN201810676674.1A priority Critical patent/CN109096573A/en
Publication of CN109096573A publication Critical patent/CN109096573A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/06Polyethene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00Layered products having a general shape other than plane
    • B32B1/08Tubular products
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered 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
    • B32B27/08Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/32Layered products comprising a layer of synthetic resin comprising polyolefins
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00Rigid pipes
    • F16L9/12Rigid pipes of plastics with or without reinforcement
    • F16L9/133Rigid pipes of plastics with or without reinforcement the walls consisting of two layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/50Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558Impact strength, toughness
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • C08K2003/265Calcium, strontium or barium carbonate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/18Applications used for pipes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00Properties characterising the ingredient of the composition
    • C08L2207/06Properties of polyethylene
    • C08L2207/062HDPE
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00Properties characterising the ingredient of the composition
    • C08L2207/06Properties of polyethylene
    • C08L2207/066LDPE (radical process)

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

A kind of PE double-wall pipe and preparation method thereof
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.
CN201810676674.1A 2018-06-27 2018-06-27 A kind of PE double-wall pipe and preparation method thereof Pending CN109096573A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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CN102840392A (en) * 2012-09-18 2012-12-26 浙江新大塑料管件有限公司 Antibacterial double-layer polyethylene pipe
CN103982713A (en) * 2014-05-09 2014-08-13 南安市华益塑胶制造有限公司 Double-wall corrugated pipe modified by waste HDPE (high-density polyethylene) and manufacturing process of double-wall corrugated pipe
CN104479203A (en) * 2014-12-05 2015-04-01 广州市星亚塑料管道有限公司 Super-strong rigidity polyethylene pipe and preparation method thereof
CN107033521A (en) * 2016-10-21 2017-08-11 广西师范学院 Modified SBS composite and preparation method thereof
CN107841025A (en) * 2017-11-24 2018-03-27 广东聚航新材料研究院有限公司 A kind of modified poly ethylene and preparation method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102840392A (en) * 2012-09-18 2012-12-26 浙江新大塑料管件有限公司 Antibacterial double-layer polyethylene pipe
CN103982713A (en) * 2014-05-09 2014-08-13 南安市华益塑胶制造有限公司 Double-wall corrugated pipe modified by waste HDPE (high-density polyethylene) and manufacturing process of double-wall corrugated pipe
CN104479203A (en) * 2014-12-05 2015-04-01 广州市星亚塑料管道有限公司 Super-strong rigidity polyethylene pipe and preparation method thereof
CN107033521A (en) * 2016-10-21 2017-08-11 广西师范学院 Modified SBS composite and preparation method thereof
CN107841025A (en) * 2017-11-24 2018-03-27 广东聚航新材料研究院有限公司 A kind of modified poly ethylene and preparation method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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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