CN108948580A - A kind of Double-wall PVC bellows and preparation method thereof - Google Patents
A kind of Double-wall PVC bellows and preparation method thereof Download PDFInfo
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- CN108948580A CN108948580A CN201810677800.5A CN201810677800A CN108948580A CN 108948580 A CN108948580 A CN 108948580A CN 201810677800 A CN201810677800 A CN 201810677800A CN 108948580 A CN108948580 A CN 108948580A
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- polyvinyl chloride
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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
- C08L27/04—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 chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to a kind of Double-wall PVC bellowss, its tube wall is made of double-layer structure, internal layer raw material composition are as follows: 100 mass parts of polyvinyl chloride, chliorinated polyvinyl chloride 45-60 mass parts, polymethyl methacrylate 20-35 mass parts, plasticizer 8-15 mass parts, precipitated calcium carbonate 10-20 mass parts；Outer layer raw material composition are as follows: 100 mass parts of polyvinyl chloride, poly- 1- butyl ester 40-60 mass parts, low density polyethylene (LDPE) 20-40 mass parts, Methacrylate-butadiene-styrene 5-20 mass parts, glass fibre 1-10 mass parts, anti-wear agent 1-10 mass parts, plasticizer 8-15 mass parts, heat stabilizer 0.5-2 mass parts and ultraviolet absorbing agent 0.5-2 mass parts.Double-wall PVC ripple tube wall inner layer material of the invention improves the ring stiffness of bellows based on rigidity, and cladding material is formulated with improving based on 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 Double-wall PVC bellows.
Description
Technical field
The present invention relates to pvc pipe fields more particularly to a kind of Double-wall PVC bellows and preparation method thereof.
Background technique
PVC(Polyvinylchlorid) pipe is a kind of tubing as the main component with polyvinyl chloride.Double-wall PVC wave at present
Line pipe is a kind of domestic development more quick product, which saves that raw material, project cost be low, easy for construction, inner wall smooth
And the small flow of the coefficient of friction resistance is big, use scope is wide.In order to meet the needs of actual use, it is desirable that Double-wall PVC bellows both had
Higher compression strength has good impact resistance again.Therefore provide that a kind of rigidity is high, shock proof Double-wall PVC bellows 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 Double-wall PVC bellows.
In order to achieve the above objectives, the technical solution adopted by the present invention are as follows: provide a kind of Double-wall PVC bellows, feature
Be: 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 polyvinyl chloride,
Chliorinated polyvinyl chloride 45-60 mass parts, polymethyl methacrylate 20-35 mass parts, plasticizer 8-15 mass parts, lightweight carbonic acid
Calcium 10-20 mass parts；Outer layer raw material composition are as follows: 100 mass parts of polyvinyl chloride, poly- 1- butyl ester 40-60 mass parts, low density polyethylene
It is alkene 20-40 mass parts, Methacrylate-butadiene-styrene 5-20 mass parts, glass fibre 1-10 mass parts, resistance to
Grinding agent 1-10 mass parts, plasticizer 8-15 mass parts, heat stabilizer 0.5-2 mass parts and ultraviolet absorbing agent 0.5-2 mass
Part.
As a preferred embodiment, the internal layer raw material composition are as follows: 100 mass parts of polyvinyl chloride, chliorinated polyvinyl chloride 50-
55 mass parts, polymethyl methacrylate 25-30 mass parts, plasticizer 10-12 mass parts, precipitated calcium carbonate 15-18 mass parts.
As a preferred embodiment, outer layer raw material forms are as follows: 100 mass parts of polyvinyl chloride, poly- 1- butyl ester 48-53 mass
Part, low density polyethylene (LDPE) 25-30 mass parts, Methacrylate-butadiene-styrene 8-10 mass parts, glass fibre
2-5 mass parts, anti-wear agent 2-5 mass parts, plasticizer 10-12 mass parts, heat stabilizer 1-1.5 mass parts and ultraviolet radiation absorption
Agent 1-1.5 mass parts.
As a preferred embodiment, the anti-wear agent be polyhexamethylene adipamide, polycaprolactam, glass bead one
Kind.
As a kind of more preferable scheme, the plasticizer is one kind of dioctyl adipate, epoxidized soybean oil.
As a kind of more preferable scheme, the heat stabilizer is one kind of calcium stearate, organic tin stabilizer.
As a kind of more preferable scheme, the PVC base composition and content are as follows: the ultraviolet absorbing agent is benzo three
One kind of azoles, benzophenone, salicylate.
The present invention also provides the preparation methods of above-mentioned Double-wall PVC bellows, 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) it is formed, is cooling, cutting obtains finished product.
As a preferred embodiment, kneading temperature is 80-140 DEG C in the step (2)；Kneading time is 10-30min.
As a kind of more preferable scheme, extrusion temperature control is at 180-210 DEG C in the step (3).
The beneficial technical effect of the present invention lies in: provide that a kind of rigidity is high, shock proof Double-wall PVC bellows.This hair
Bright Double-wall PVC ripple tube wall has inside and outside two layers, and inner layer material designs based on rigidity, improves the ring stiffness of bellows
(compression strength), cladding material are formulated with improving based on erosion-resisting characteristics as semi-rigid.By to tube wall ectonexine formula variation
Design, improve tube wall strength while also improve its impact resistance and toughness, improve the mechanical property of Double-wall PVC bellows
Energy.Fill appropriate precipitated calcium carbonate in Double-wall PVC bellows simultaneously, can reduce cost, improve dimensional stability and easily at
Type.
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 Double-wall PVC bellows, 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 polyvinyl chloride, 45 mass parts of chliorinated polyvinyl chloride, poly-methyl methacrylate
35 mass parts of ester, 8 mass parts of dioctyl adipate, 20 mass parts of precipitated calcium carbonate.
Outer layer raw material composition are as follows: 100 mass parts of polyvinyl chloride, poly- 40 mass parts of 1- butyl ester, 40 mass of low density polyethylene (LDPE)
Part, 5 mass parts of Methacrylate-butadiene-styrene, 10 mass parts of glass fibre, 1 mass of polyhexamethylene adipamide
Part, 2 mass parts of 8 mass parts of dioctyl adipate, 2 mass parts of calcium stearate and benzotriazole.
Double-wall PVC bellows 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 180 DEG C；
(4) it is formed, is cooling, cutting obtains finished product.
Embodiment 2
The present invention provides a kind of Double-wall PVC bellows, 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 polyvinyl chloride, 50 mass parts of chliorinated polyvinyl chloride, poly-methyl methacrylate
30 mass parts of ester, 10 mass parts of epoxidized soybean oil, 18 mass parts of precipitated calcium carbonate.
Outer layer raw material composition are as follows: 100 mass parts of polyvinyl chloride, poly- 48 mass parts of 1- butyl ester, 30 mass of low density polyethylene (LDPE)
Part, 8 mass parts of Methacrylate-butadiene-styrene, 5 mass parts of glass fibre, 2 mass parts of polycaprolactam, ring
1.5 mass parts of 10 mass parts of oxygen soybean oil, 1.5 mass parts of organic tin stabilizer and benzophenone.
Double-wall PVC bellows 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 100 DEG C；Kneading time is 24min；
(3) raw material after kneading is squeezed out by twin-screw extrusion equipment, extrusion temperature is controlled at 190 DEG C；
(4) it is formed, is cooling, cutting obtains finished product.
Embodiment 3
The present invention provides a kind of Double-wall PVC bellows, 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 polyvinyl chloride, 55 mass parts of chliorinated polyvinyl chloride, poly-methyl methacrylate
25 mass parts of ester, 12 mass parts of dioctyl adipate, 15 mass parts of precipitated calcium carbonate.
Outer layer raw material composition are as follows: 100 mass parts of polyvinyl chloride, poly- 53 mass parts of 1- butyl ester, 25 mass of low density polyethylene (LDPE)
Part, 10 mass parts of Methacrylate-butadiene-styrene, 2 mass parts of glass fibre, 5 mass parts of glass bead, oneself
1 mass parts of 12 mass parts of adipate, 1 mass parts of calcium stearate and salicylate.
Double-wall PVC bellows 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 120 DEG C；Kneading time is 16min；
(3) raw material after kneading is squeezed out by twin-screw extrusion equipment, extrusion temperature is controlled at 200 DEG C；
(4) it is formed, is cooling, cutting obtains finished product.
Embodiment 4
The present invention provides a kind of Double-wall PVC bellows, 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 polyvinyl chloride, 60 mass parts of chliorinated polyvinyl chloride, poly-methyl methacrylate
20 mass parts of ester, 15 mass parts of epoxidized soybean oil, 10 mass parts of precipitated calcium carbonate.
Outer layer raw material composition are as follows: 100 mass parts of polyvinyl chloride, poly- 60 mass parts of 1- butyl ester, 20 mass of low density polyethylene (LDPE)
Part, 20 mass parts of Methacrylate-butadiene-styrene, 1 mass parts of glass fibre, 10 matter of polyhexamethylene adipamide
Measure part, 0.5 mass parts of 15 mass parts of epoxidized soybean oil, 0.5 mass parts of organic tin stabilizer and benzotriazole.
Double-wall PVC bellows 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 140 DEG C；Kneading time is 10min；
(3) raw material after kneading is squeezed out by twin-screw extrusion equipment, extrusion temperature is controlled at 210 DEG C；
(4) it is formed, is cooling, cutting obtains finished product.
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 Double-wall PVC bellows, 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 polyvinyl chloride, chliorinated polyvinyl chloride 45-60 mass parts, polymethyl methacrylate 20-35 matter
Measure part, plasticizer 8-15 mass parts, precipitated calcium carbonate 10-20 mass parts；Outer layer raw material composition are as follows: 100 mass parts of polyvinyl chloride,
Poly- 1- butyl ester 40-60 mass parts, low density polyethylene (LDPE) 20-40 mass parts, Methacrylate-butadiene-styrene 5-
20 mass parts, glass fibre 1-10 mass parts, anti-wear agent 1-10 mass parts, plasticizer 8-15 mass parts, heat stabilizer 0.5-2 matter
Measure part and ultraviolet absorbing agent 0.5-2 mass parts.
2. Double-wall PVC bellows according to claim 1, it is characterised in that: the internal layer raw material composition are as follows: polyvinyl chloride
100 mass parts, chliorinated polyvinyl chloride 50-55 mass parts, polymethyl methacrylate 25-30 mass parts, plasticizer 10-12 mass
Part, precipitated calcium carbonate 15-18 mass parts.
3. Double-wall PVC bellows according to claim 1, it is characterised in that: outer layer raw material composition are as follows: polyvinyl chloride 100
Mass parts, poly- 1- butyl ester 48-53 mass parts, low density polyethylene (LDPE) 25-30 mass parts, methacrylic acid-butadiene-styrene are total
Polymers 8-10 mass parts, glass fibre 2-5 mass parts, anti-wear agent 2-5 mass parts, plasticizer 10-12 mass parts, heat stabilizer 1-
1.5 mass parts and ultraviolet absorbing agent 1-1.5 mass parts.
4. Double-wall PVC bellows according to claim 1 to 3, it is characterised in that: the anti-wear agent is poly hexamethylene adipamide
One kind of hexamethylene diamine, polycaprolactam, glass bead.
5. Double-wall PVC bellows according to claim 4, it is characterised in that: the plasticizer is dioctyl adipate, ring
One kind of oxygen soybean oil.
6. Double-wall PVC bellows according to claim 5, it is characterised in that: the heat stabilizer is calcium stearate, organic
One kind of tin stabilizer.
7. Double-wall PVC bellows according to claim 6, it is characterised in that: the PVC base composition and content are as follows: institute
Stating ultraviolet absorbing agent is benzotriazole, one kind of benzophenone, salicylate.
8. the preparation method of Double-wall PVC bellows 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) it is formed, is cooling, cutting obtains finished product.
9. the preparation method of Double-wall PVC bellows according to claim 8, it is characterised in that: mediated in the step (2)
Temperature is 80-140 DEG C；Kneading time is 10-30min.
10. the preparation method of Double-wall PVC bellows according to claim 9, it is characterised in that: squeezed in the step (3)
Temperature control is at 180-210 DEG C out.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810677800.5A CN108948580A (en) | 2018-06-27 | 2018-06-27 | A kind of Double-wall PVC bellows and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810677800.5A CN108948580A (en) | 2018-06-27 | 2018-06-27 | A kind of Double-wall PVC bellows and preparation method thereof |
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| CN108948580A true CN108948580A (en) | 2018-12-07 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664300A (en) * | 2020-06-15 | 2020-09-15 | 康泰塑胶科技集团有限公司 | Double-color double-wall corrugated pipe and preparation method thereof |
| CN115948006A (en) * | 2022-12-21 | 2023-04-11 | 康泰塑胶科技集团有限公司 | Double-wall corrugated pipe and preparation method thereof |
| CN116214385A (en) * | 2022-12-29 | 2023-06-06 | 江苏诺贝尔塑业有限公司 | Plastic sounding pipe surface sand blasting equipment |
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| CN1586866A (en) * | 2004-09-28 | 2005-03-02 | 杭州波达塑业有限公司 | Process for producing large caliber hard polyvinyl chloride double wall corrugated pipe |
| CN102219966A (en) * | 2011-05-25 | 2011-10-19 | 周云全 | Double-wall corrugated pipe produced by utilizing waste and old hard polyvinyl chloride (PVC) material and manufacturing method thereof |
| CN102516688A (en) * | 2011-12-12 | 2012-06-27 | 杭州波达塑料科技股份有限公司 | Environmentally-friendly rigid polyvinyl chloride (PVC) double-wall corrugated pipe and preparation method thereof |
| CN105017674A (en) * | 2014-04-15 | 2015-11-04 | 绍兴文理学院 | Low-temperature anti-freezing polyvinyl chloride pipe and production method thereof |
-
2018
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1346844A (en) * | 2001-07-21 | 2002-05-01 | 安徽国通高新管业股份有限公司 | Raw materials for preparing corrugated dual-wall hard PVC pipe |
| CN1586866A (en) * | 2004-09-28 | 2005-03-02 | 杭州波达塑业有限公司 | Process for producing large caliber hard polyvinyl chloride double wall corrugated pipe |
| CN102219966A (en) * | 2011-05-25 | 2011-10-19 | 周云全 | Double-wall corrugated pipe produced by utilizing waste and old hard polyvinyl chloride (PVC) material and manufacturing method thereof |
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| CN105017674A (en) * | 2014-04-15 | 2015-11-04 | 绍兴文理学院 | Low-temperature anti-freezing polyvinyl chloride pipe and production method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664300A (en) * | 2020-06-15 | 2020-09-15 | 康泰塑胶科技集团有限公司 | Double-color double-wall corrugated pipe and preparation method thereof |
| CN115948006A (en) * | 2022-12-21 | 2023-04-11 | 康泰塑胶科技集团有限公司 | Double-wall corrugated pipe and preparation method thereof |
| CN115948006B (en) * | 2022-12-21 | 2023-12-12 | 康泰塑胶科技集团有限公司 | Double-wall corrugated pipe and preparation method thereof |
| CN116214385A (en) * | 2022-12-29 | 2023-06-06 | 江苏诺贝尔塑业有限公司 | Plastic sounding pipe surface sand blasting equipment |
| CN116214385B (en) * | 2022-12-29 | 2023-11-03 | 江苏诺贝尔塑业有限公司 | Plastic sounding pipe surface sand blasting equipment |
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