CN103172920A - Environment-friendly flame-retardant anti-static polyethylene mining tube - Google Patents
Environment-friendly flame-retardant anti-static polyethylene mining tube Download PDFInfo
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- CN103172920A CN103172920A CN2011104364893A CN201110436489A CN103172920A CN 103172920 A CN103172920 A CN 103172920A CN 2011104364893 A CN2011104364893 A CN 2011104364893A CN 201110436489 A CN201110436489 A CN 201110436489A CN 103172920 A CN103172920 A CN 103172920A
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Abstract
The invention discloses an environment-friendly flame-retardant anti-static polyethylene mining tube. The environment-friendly flame-retardant anti-static polyethylene mining tube comprises the following basic materials in parts by weight: 20-45 parts of high-density polyethylene, 40-30 parts of polyethylene anti-static master batches and 40-25 parts of polyethylene flame-retardant master batches, wherein the polyethylene anti-static master batches include two conductive carbon blacks with different specific surface areas; the conductive carbon blacks are treated by treating agent, so that the anti-static and flame-retardant synergistic effect is good, and the processing performances and mechanical performances are excellent. The polyethylene flame-retardant master batches are red phosphorus flame retardant which has a good synergistic effect with the antistatic agent, and is easy to process and form, so that the tube performance is stable. The environment-friendly flame-retardant anti-static polyethylene mining tube disclosed by the invention is easy to process and form, excellent in anti-static performances, flame-retardant performances and mechanical performances, and capable of satisfying the requirements of coal department industrial standards MT558.1.
Description
Technical field
The present invention relates to a kind of plastic conduit, particularly a kind of environmental-protection flame-retardant electrostatic resistant polythene mining tube.
Background technology
In recent years, because polyvinyl piping materials has the advantages such as inexpensive light weight, easy for installation, environmental protection, add the promotion of national policy, be widely used in every field.Wherein, mineral polyethylene piping is except the physical and mechanical properties that should possess general plastics tubing, also namely must have static resistance with the particular requirement of satisfying the colliery, self-extinguishing and products of combustion also must not have toxicity, and polyethylene is a kind of organic polymer material, and its volume specific resistance is very high, friction easily produces static, and be gathered in frosting, but therefore fire hazard and gas explosion must be carried out antistatic modified to the polyvinyl resin of producing pipes for mining.At present method of modifying commonly used comprises in resin and adds static inhibitor or the materials such as conductive carbon black and metal-powder.Static inhibitor is a kind of surfactant, and its anlistatig mechanism is that the water-wet side of static inhibitor absorbs airborne moisture content, forms a kind of conduction moisture film at material surface, thereby reduces surface resistivity, makes the static charge that has produced thank rapidly.Can say, the quality of the polyethylene products antistatic property of use static inhibitor will rely on the humidity of surrounding environment greatly, and the antistatic effect in dry environment is relatively poor, and this causes danger because of static often.And static inhibitor itself is generally some materials that ionize, passing in time in water, static inhibitor will because of the dissolving of surface portion gradually outwards chromatography go out, form textural defect at material internal, when affecting the mechanical property of material, antistatic property is decayed gradually.
Add graphitized carbon black in polyethylene, reach surface chemical property preferably because the graphitized carbon black structurizing has larger specific surface area, so can obtain good antistatic effect.But because the specific surface area of graphitized carbon black is very big, add the melt viscosity that will have a strong impact on matrix material in resin, can moment of torsion occur excessive in extrusion, extrude the phenomenons such as unstable.
Summary of the invention
The objective of the invention is to overcome the shortcoming of above-mentioned technology, propose a kind of machine-shaping easy, have the environmental-protection flame-retardant electrostatic resistant polythene mining tube of good static resistance, flame retardant resistance and mechanical property.
For achieving the above object, the technical solution used in the present invention is such.This environmental-protection flame-retardant electrostatic resistant polythene mining tube is comprised of the basic material of weight part, 20～45 parts of high density polyethylene(HDPE)s, and 40～30 parts of polyethylene antistatic master batchs, 40～25 parts of polyethylene anti-flaming masterbatch, wherein:
The basic material of polyethylene antistatic master batch weight part consists of: 100 parts of high-density polyethylene resins, and 5～10 parts of linear low density polyethylene resins, specific surface area is greater than 500 m
220～40 parts of the high electric conductivity carbon black A of/g, specific surface area is less than 500 m
210～15 parts of the common graphitized carbon black B of/g, 2.0～4.0 parts of carbon black treatment agents, 0.3～1.0 part, oxidation inhibitor, 2.0～5.0 parts of polyethylene waxs;
The basic material of polyethylene anti-flaming master batch weight part consists of: 100 parts of high-density polyethylene resins, 5～10 parts of linear low density polyethylene resins, 100～150 parts of red phosphorus combustion inhibitors, 25～40 parts of smoke suppressors, 2.0～3.0 parts, oxidation inhibitor.
Carbon black treatment agent in above-mentioned polyethylene antistatic master batch is selected titanate coupling agent, silane coupling agent, a kind of in aluminate coupling agent.
Smoke suppressor in above-mentioned polyethylene anti-flaming masterbatch is antimonous oxide.
Above-mentioned polyethylene antistatic master batch and the oxidation inhibitor in the polyethylene antistatic master batch are the mixture of phosphoric acid ester and suffocated amine antioxidant.
The preparation method of environmental-protection flame-retardant electrostatic resistant polythene mining tube comprises the steps:
A. the preparation method of polyethylene antistatic master batch: at first graphitized carbon black and treatment agent are added in stirrer, stirred under normal temperature 5～10 minutes, and then with various auxiliary agents with high density polyethylene(HDPE) and linear low density polyethylene resin blending and stirring 5～10 minutes, adopt at last the twin-screw extrusion unit with the blend composition granulation, make the polyethylene antistatic master batch.
B. the preparation method of polyethylene anti-flaming masterbatch: at first high-density polyethylene resin, linear low density polyethylene resin and various auxiliary agent were added in stirrer blended under agitation 5～10 minutes, then adopt the twin-screw extrusion unit with the blend composition granulation, make the polyethylene anti-flaming masterbatch.
C. the preparation method of environmental-protection flame-retardant electrostatic resistant polythene mining tube production material: at first with 20～45 parts of high density polyethylene(HDPE)s, 40～30 parts of polyethylene antistatic master batchs, mixed 5～10 minutes in 40～25 parts of input homogenizers of polyethylene anti-flaming masterbatch, then adopt the twin-screw extrusion unit with the compound granulation, make environmental-protection flame-retardant electrostatic resistant polythene mining tube production material.
D. the preparation method of environmental-protection flame-retardant electrostatic resistant polythene mining tube: adopt pipe extruder groups will more than the environmental-protection flame-retardant electrostatic resistant polythene mining tube production material that makes be prepared into the environmental-protection flame-retardant electrostatic resistant polythene mining tube.
The present invention adopts the graphitized carbon black of two kinds of different specific surface areas, with treatment agent, graphitized carbon black is processed, two kinds of graphitized carbon blacks are also used, antistatic good with flame retardant synergistic effect, product machine-shaping is easy, have good static resistance, flame retardant resistance and mechanical property, satisfy the requirement of the industry standard MT558.1 of Ministry of Coal Industry.
Embodiment
Environmental-protection flame-retardant electrostatic resistant polythene mining tube formula:
40 parts of high density polyethylene(HDPE)s, 35 parts of polyethylene antistatic master batchs, 25 parts of polyethylene anti-flaming masterbatch.
Wherein:
The formula of polyethylene antistatic master batch:
100 parts of high density polyethylene(HDPE)s, 10 parts of linear low density polyethylenes, high electric conductivity carbon black (specific surface area 828m
2/ g) 30 parts, common graphitized carbon black (specific surface area 164m
2/ g) 8 parts, 0.6 part, oxidation inhibitor, 3.5 parts of titanate coupling agents, 4 parts of polyethylene waxs.
Polyethylene anti-flaming masterbatch formula:
100 parts of high density polyethylene(HDPE)s, 10 parts of linear low density polyethylenes, 125 parts of red phosphorus combustion inhibitors, 25 parts of antimonous oxides, 4 parts, oxidation inhibitor.
Antistatic good with flame retardant synergistic effect with the environmental-protection flame-retardant electrostatic resistant polythene mining tube of above-mentioned compound preparation, machine-shaping is easy, has good static resistance, flame retardant resistance and mechanical property, satisfies the requirement of the industry standard MT558.1 of Ministry of Coal Industry.
Claims (4)
1. environmental-protection flame-retardant electrostatic resistant polythene mining tube is characterized in that: by weight, comprise following material:
20～45 parts of high density polyethylene(HDPE)s, 40～30 parts of polyethylene antistatic master batchs, 40～25 parts of polyethylene anti-flaming masterbatch, wherein:
The basic material of polyethylene antistatic master batch weight part consists of: 100 parts of high-density polyethylene resins, and 5～10 parts of linear low density polyethylene resins, specific surface area is greater than 500m
220～40 parts of the high electric conductivity carbon black A of/g, specific surface area is less than 500m
210～15 parts of the common graphitized carbon black B of/g, 2.0～4.0 parts of carbon black treatment agents, 0.3～1.0 part, oxidation inhibitor, 2.0～5.0 parts of polyethylene waxs;
The basic material of polyethylene anti-flaming master batch weight part consists of: 100 parts of high-density polyethylene resins, 5～10 parts of linear low density polyethylene resins, 100～150 parts of red phosphorus combustion inhibitors, 25～40 parts of smoke suppressors, 2.0～3.0 parts, oxidation inhibitor.
2. environmental-protection flame-retardant electrostatic resistant polythene mining tube according to claim 1 is characterized in that the carbon black treatment agent in the polyethylene antistatic master batch is selected titanate coupling agent, silane coupling agent, a kind of in aluminate coupling agent.
3. environmental-protection flame-retardant electrostatic resistant polythene mining tube according to claim 1, its feature is the mixture of phosphoric acid ester and suffocated amine antioxidant at described oxidation inhibitor.
4. environmental-protection flame-retardant electrostatic resistant polythene mining tube according to claim 1, its feature is antimonous oxide at described smoke suppressor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104364893A CN103172920A (en) | 2011-12-23 | 2011-12-23 | Environment-friendly flame-retardant anti-static polyethylene mining tube |
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| CN2011104364893A CN103172920A (en) | 2011-12-23 | 2011-12-23 | Environment-friendly flame-retardant anti-static polyethylene mining tube |
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| CN103172920A true CN103172920A (en) | 2013-06-26 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103739917A (en) * | 2014-01-09 | 2014-04-23 | 北京工商大学 | Polyethylene plastic antistatic master batch, conductive material for master batch and application of master batch and conductive material |
| CN104558803A (en) * | 2015-01-16 | 2015-04-29 | 山东泰丰新水管业股份有限公司 | Superconducting master batch for producing polyethylene tube stock and preparation method thereof |
| CN104961953A (en) * | 2015-06-29 | 2015-10-07 | 安徽顺彤包装材料有限公司 | High-strength polyethylene material |
| CN106633344A (en) * | 2016-11-30 | 2017-05-10 | 山东东方新材料有限公司 | Antistatic functional masterbatch, production process thereof, and production process of polyethylene pipes |
| CN109294045A (en) * | 2018-08-21 | 2019-02-01 | 山东东宏管业股份有限公司 | A kind of anti-electrostatic fire retardant masterbatch and preparation method thereof |
| US10843432B2 (en) | 2017-07-18 | 2020-11-24 | Sabic Global Technologies B.V. | Multilayer water pipe for mining operations |
| CN113480793A (en) * | 2021-07-21 | 2021-10-08 | 山东建安实业有限公司 | Polyethylene gas pipeline processing technology |
| CN114017548A (en) * | 2021-11-23 | 2022-02-08 | 山东国能实业有限公司 | Halogen-free low-smoke low-toxicity composite pipe for conveying gas and processing method and application thereof |
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| CN1616531A (en) * | 2003-11-14 | 2005-05-18 | 中国石化齐鲁股份有限公司 | Antistatic flame-retardant polyethylene composition |
| CN101153094A (en) * | 2007-09-05 | 2008-04-02 | 山东方大工程有限责任公司 | Material special for polythene beam tube and method of producing the same |
| CN101891914A (en) * | 2010-07-29 | 2010-11-24 | 山东科虹线缆有限公司 | Composite type high-conductivity polymer material and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1616531A (en) * | 2003-11-14 | 2005-05-18 | 中国石化齐鲁股份有限公司 | Antistatic flame-retardant polyethylene composition |
| CN101153094A (en) * | 2007-09-05 | 2008-04-02 | 山东方大工程有限责任公司 | Material special for polythene beam tube and method of producing the same |
| CN101891914A (en) * | 2010-07-29 | 2010-11-24 | 山东科虹线缆有限公司 | Composite type high-conductivity polymer material and preparation method thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103739917A (en) * | 2014-01-09 | 2014-04-23 | 北京工商大学 | Polyethylene plastic antistatic master batch, conductive material for master batch and application of master batch and conductive material |
| CN104558803A (en) * | 2015-01-16 | 2015-04-29 | 山东泰丰新水管业股份有限公司 | Superconducting master batch for producing polyethylene tube stock and preparation method thereof |
| CN104961953A (en) * | 2015-06-29 | 2015-10-07 | 安徽顺彤包装材料有限公司 | High-strength polyethylene material |
| CN106633344A (en) * | 2016-11-30 | 2017-05-10 | 山东东方新材料有限公司 | Antistatic functional masterbatch, production process thereof, and production process of polyethylene pipes |
| US10843432B2 (en) | 2017-07-18 | 2020-11-24 | Sabic Global Technologies B.V. | Multilayer water pipe for mining operations |
| CN109294045A (en) * | 2018-08-21 | 2019-02-01 | 山东东宏管业股份有限公司 | A kind of anti-electrostatic fire retardant masterbatch and preparation method thereof |
| CN113480793A (en) * | 2021-07-21 | 2021-10-08 | 山东建安实业有限公司 | Polyethylene gas pipeline processing technology |
| CN114017548A (en) * | 2021-11-23 | 2022-02-08 | 山东国能实业有限公司 | Halogen-free low-smoke low-toxicity composite pipe for conveying gas and processing method and application thereof |
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Application publication date: 20130626 |