CN109294106A - A kind of halogen-free flameproof electromagnetic shielding PVC electrical casing pipe - Google Patents
A kind of halogen-free flameproof electromagnetic shielding PVC electrical casing pipe Download PDFInfo
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- CN109294106A CN109294106A CN201810935320.4A CN201810935320A CN109294106A CN 109294106 A CN109294106 A CN 109294106A CN 201810935320 A CN201810935320 A CN 201810935320A CN 109294106 A CN109294106 A CN 109294106A
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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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—Aluminium
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
-
- 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
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The present invention relates to a kind of halogen-free flameproofs to be electromagnetically shielded PVC electrical casing pipe, is made of the raw material of following mass fraction: 100 ~ 130 parts of polyvinyl chloride resin, 3 ~ 6 parts of heat stabilizer, 10 ~ 50 parts of filler, 0.3 ~ 3 part of lubricant, 2 ~ 15 parts of inorganic fire retardants, 2 ~ 10 parts of conductive filler, 0.5 ~ 5 part of coupling agent.The present invention solves the problems, such as metallic fiber processing difficulties compared to current metal fibre conductive filler as conductive filler using Al-Doped ZnO powder, compares metal powder conductive filler, solves the problems, such as the big influence mechanical strength of metal powder additive amount.PVC electrical casing pipe of the invention has excellent fire-retardant and electromagnetic shielding performance, and flame retardant rating is up to UL94V-0 grades, and within the scope of 10 ~ 1500MHz, effectiveness is up to 60db or more.
Description
Technical field
The present invention relates to tubing technical fields, are electromagnetically shielded PVC electrical casing pipe more particularly, to a kind of halogen-free flameproof.
Background technique
With the high speed development of modern electronics industry, electronic apparatus and radio communication are widely used.PVC electrician's set
Pipe, for protecting and ensureing the pipeline of electric wire or cable distribution, allows electric wire or cable as in building electric installation engineering
Penetrate and replace, play very important effect in daily life.Threading purposes based on PVC electrical casing pipe, has
The electrical casing pipe of flame retardant efficiency is produced and used extensively.Due to electromagnetic radiation, oneself becomes after noise pollution, atmosphere pollution, water
Another big public hazards after pollution, solid waste pollution, electromagnetic wave not only interfere the normal operation of various electronic equipments, threaten
The information security of communication equipment, and high risks can be generated to human health, therefore have effects that the electricity of electromagnetic shielding
Work casing is also gradually studied exploitation.
Currently, exploitation has effects that the main means of the electrical casing pipe of electromagnetic shielding are to add conductive filler in formula,
For example the conductive fillers such as metallic fiber, metal powder are added in formula, it is sent out under conditions of meeting insulation using conductive filler
Electromagnetic shielding action is waved, electrical casing pipe is assigned and is electromagnetically shielded effect.Although the addition of conductive filler can effectively realize electromagnetic screen
The effect covered, but the poor compatibility of metallic fiber and metal powder and PVC resin powder, and metallic fiber processing difficulties, metal
Powder additive amount will affect greatly the mechanical strength of tubing, therefore exploitation has both fire-retardant and electromagnetic shielding performance, and keeps good power
The PVC electrical casing pipe for learning performance has important research significance and application value.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of halogen-free flameproof electromagnetic shielding PVC electrician's sets
Pipe.PVC electrical casing pipe provided by the invention has excellent fire-retardant and electromagnetic shielding performance.
To achieve the above object, the present invention adopts the following technical scheme that, the PVC electrical casing pipe is by mass fraction by following
Raw material composition: 100~130 parts of polyvinyl chloride resin, 3~6 parts of heat stabilizer, 10~50 parts of filler, 0.3~3 part of lubricant, inorganic
2~15 parts of fire retardant, 2~10 parts of conductive filler, 0.5~5 part of coupling agent.
Preferably, the heat stabilizer is any one of calcium zinc stabilizer, organo-tin het stabilizer or rare-earth stabilizer.
Preferably, the filler is any one of precipitated calcium carbonate, powdered whiting.
Preferably, the lubricant be polyethylene wax, paraffin, stearic acid, in stearate any one or it is a kind of
Above mixing.
Preferably, the inorganic fire retardants is any one in magnesium hydroxide and aluminium hydroxide.
Preferably, the conductive filler is Al-Doped ZnO powder.
Preferably, the coupling agent be in silanes, titanate ester and aluminic acid compound any one or it is a kind of with
On mixing.
The present invention also provides the preparation methods of above-mentioned PVC electrical casing pipe, include the following steps:
S1: polyvinyl chloride resin, heat stabilizer, filler, lubricant, inorganic fire retardants, conductive filler, coupling agent are put into mixed
It is uniformly mixed in conjunction machine, obtains premix；
S2: by above-mentioned premix through screw extruder melting extrusion, cooling and shaping obtains halogen-free flameproof electromagnetic shielding PVC
Electrical casing pipe.
Preferably, screw extruder extrusion molding is utilized in the S2, the barrel temperature of the screw extruder is 140~
190 DEG C, die temperature is 140~220 DEG C.
Compared with prior art, the beneficial effects of the present invention are:
Halogen-free flameproof provided by the present invention is electromagnetically shielded PVC electrical casing pipe, and flame retardant rating is up to UL94V-0 grades, 10
Within the scope of~1500MHz, effectiveness can satisfy the demand of the electromagnetic shielding of insulation up to 60db or more.The present invention
The Al-Doped ZnO conductive filler of use solves metallic fiber processing difficulties compared to current metal fibre conductive filler
Problem；Compared to metal powder conductive filler, Al-Doped ZnO conductive filler additive amount is few, solves the big shadow of metal powder additive amount
The problem of ringing mechanical strength.
Specific embodiment
Below with reference to embodiment and reference examples, the present invention will be further described.These embodiments are only to of the invention
Typical case's description, however, the present invention is not limited thereto.Test method used in following embodiments and reference examples unless otherwise specified, is
Conventional method, used raw material, reagent etc., unless otherwise specified, being can original obtained from commercial sources such as regular market purchases
Material and reagent.
Embodiment 1
A kind of halogen-free flameproof electromagnetic shielding PVC electrical casing pipe, using following preparation method:
1) by 100 parts of Corvic, 3 parts of calcium zinc heat stabilizer, 10 parts of powdered whiting, 0.3 part of PE wax, hydroxide
2 parts of magnesium, 2 parts of conductive filler, 0.5 part of titanate coupling agent be put into mixing machine be uniformly mixed, obtain premix；
2) by above-mentioned premix through screw extruder melting extrusion, cooling and shaping obtains halogen-free flameproof electromagnetic shielding PVC electricity
Work casing, the barrel temperature of screw extruder are 140~190 DEG C, and die temperature is 140~220 DEG C.
Embodiment 2
A kind of halogen-free flameproof electromagnetic shielding PVC electrical casing pipe, using following preparation method:
1) by 100 parts of Corvic, 4 parts of calcium zinc heat stabilizer, 25 parts of powdered whiting, 1.5 parts of PE wax, hydroxide
2 parts of magnesium, 10 parts of conductive filler, 5 parts of titanate coupling agent be put into mixing machine be uniformly mixed, obtain premix；
2) by above-mentioned premix through screw extruder melting extrusion, cooling and shaping obtains halogen-free flameproof electromagnetic shielding PVC electricity
Work casing, the barrel temperature of screw extruder are 140~190 DEG C, and die temperature is 140~220 DEG C.
Embodiment 3
A kind of halogen-free flameproof electromagnetic shielding PVC electrical casing pipe, using following preparation method:
1) by 130 parts of Corvic, 4 parts of calcium zinc heat stabilizer, 25 parts of powdered whiting, 1.5 parts of PE wax, hydroxide
5 parts of magnesium, 10 parts of conductive filler, 5 parts of titanate coupling agent be put into mixing machine be uniformly mixed, obtain premix；
2) by above-mentioned premix through screw extruder melting extrusion, cooling and shaping obtains halogen-free flameproof electromagnetic shielding PVC electricity
Work casing, the barrel temperature of screw extruder are 140~190 DEG C, and die temperature is 140~220 DEG C.
Embodiment 4
A kind of halogen-free flameproof electromagnetic shielding PVC electrical casing pipe, using following preparation method:
1) by 130 parts of Corvic, 6 parts of calcium zinc heat stabilizer, 50 parts of powdered whiting, 3 parts of PE wax, magnesium hydroxide
15 parts, 10 parts of conductive filler, 5 parts of titanate coupling agent be put into mixing machine be uniformly mixed, obtain premix；
2) by above-mentioned premix through screw extruder melting extrusion, cooling and shaping obtains halogen-free flameproof electromagnetic shielding PVC electricity
Work casing, the barrel temperature of screw extruder are 140~190 DEG C, and die temperature is 140~220 DEG C.
Reference examples 1
A kind of halogen-free flameproof electromagnetic shielding PVC electrical casing pipe, using following preparation method:
1) by 100 parts of Corvic, 4 parts of calcium zinc heat stabilizer, 25 parts of powdered whiting, 1.5 parts of PE wax, hydroxide
15 parts of magnesium, 5 parts of titanate coupling agent be put into mixing machine be uniformly mixed, obtain premix；
2) by above-mentioned premix through screw extruder melting extrusion, cooling and shaping obtains halogen-free flameproof electromagnetic shielding PVC electricity
Work casing, the barrel temperature of screw extruder are 140~190 DEG C, and die temperature is 140~220 DEG C.
Reference examples 2
A kind of halogen-free flameproof electromagnetic shielding PVC electrical casing pipe, using following preparation method:
1) by 100 parts of Corvic, 4 parts of calcium zinc heat stabilizer, 25 parts of powdered whiting, 1.5 parts of PE wax, conduction is filled out
Material 10 parts, 5 parts of titanate coupling agent be put into mixing machine be uniformly mixed, obtain premix；
2) by above-mentioned premix through screw extruder melting extrusion, cooling and shaping obtains halogen-free flameproof electromagnetic shielding PVC electricity
Work casing, the barrel temperature of screw extruder are 140~190 DEG C, and die temperature is 140~220 DEG C.
Reference examples 3
1) it by 100 parts of Corvic, 4 parts of calcium zinc heat stabilizer, 25 parts of powdered whiting, 1.5 parts of PE wax, is put into mixed
It is uniformly mixed in conjunction machine, obtains premix；
2) by above-mentioned premix through screw extruder melting extrusion, cooling and shaping obtains halogen-free flameproof electromagnetic shielding PVC electricity
Work casing, the barrel temperature of screw extruder are 140~190 DEG C, and die temperature is 140~220 DEG C.
Above-described embodiment and reference examples the performance test results are shown in Table 1.
1 the performance test results of table
Obviously, the above embodiment of the present invention is just for the sake of clearly demonstrating examples made by the present invention, and is not
Restriction to embodiments of the present invention.For those of ordinary skill in the art, on the basis of the above description also
It can make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all
Made any modifications, equivalent replacements, and improvements etc. within the spirit and principles in the present invention should be included in right of the present invention and want
Within the protection scope asked.
Claims (9)
1. a kind of halogen-free flameproof is electromagnetically shielded PVC electrical casing pipe, which is characterized in that the PVC electrical casing pipe by mass fraction by
Following raw material composition: 100 ~ 130 parts of polyvinyl chloride resin, 3 ~ 6 parts of heat stabilizer, 10 ~ 50 parts of filler, 0.3 ~ 3 part of lubricant, inorganic
2 ~ 15 parts of fire retardant, 2 ~ 10 parts of conductive filler, 0.5 ~ 5 part of coupling agent.
2. halogen-free flameproof is electromagnetically shielded PVC electrical casing pipe according to claim 1, which is characterized in that the heat stabilizer is
Any one of calcium zinc stabilizer, organo-tin het stabilizer or rare-earth stabilizer.
3. halogen-free flameproof is electromagnetically shielded PVC electrical casing pipe according to claim 1, which is characterized in that the filler is light
Any one of matter calcium carbonate, powdered whiting.
4. halogen-free flameproof is electromagnetically shielded PVC electrical casing pipe according to claim 1, which is characterized in that the lubricant is poly-
The mixing of ethylene waxes, paraffin, stearic acid, any one or more than one in stearate.
5. halogen-free flameproof is electromagnetically shielded PVC electrical casing pipe according to claim 1, which is characterized in that the inorganic fire retardants
For any one in magnesium hydroxide and aluminium hydroxide.
6. halogen-free flameproof is electromagnetically shielded PVC electrical casing pipe according to claim 1, which is characterized in that the conductive filler is
Al-Doped ZnO powder.
7. halogen-free flameproof is electromagnetically shielded PVC electrical casing pipe according to claim 1, which is characterized in that the coupling agent is silicon
The mixing of any one or more than one in alkanes, titanate ester and aluminic acid compound.
8. a kind of preparation method of such as any PVC electrical casing pipe of claim 1 ~ 7, which comprises the steps of:
S1: by polyvinyl chloride resin, heat stabilizer, filler, lubricant, inorganic fire retardants, conductive filler, coupling agent according to certain matter
Amount number, which is put into mixing machine, to be uniformly mixed, and premix is obtained；
S2: by above-mentioned premix through screw extruder melting extrusion, cooling and shaping obtains halogen-free flameproof electromagnetic shielding PVC electrician
Casing.
9. the preparation method of PVC electrical casing pipe according to claim 8, which is characterized in that in the step S2, utilize spiral shell
Bar extruder extrusion molding, the barrel temperature of the screw extruder are 140 ~ 190 DEG C, and die temperature is 140 ~ 220 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810935320.4A CN109294106A (en) | 2018-08-16 | 2018-08-16 | A kind of halogen-free flameproof electromagnetic shielding PVC electrical casing pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810935320.4A CN109294106A (en) | 2018-08-16 | 2018-08-16 | A kind of halogen-free flameproof electromagnetic shielding PVC electrical casing pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109294106A true CN109294106A (en) | 2019-02-01 |
Family
ID=65165175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810935320.4A Pending CN109294106A (en) | 2018-08-16 | 2018-08-16 | A kind of halogen-free flameproof electromagnetic shielding PVC electrical casing pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109294106A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113185799A (en) * | 2021-04-28 | 2021-07-30 | 衢州艾科科技有限公司 | Composite material with electromagnetic shielding function and preparation method thereof |
| CN113265111A (en) * | 2021-04-29 | 2021-08-17 | 海南联塑科技实业有限公司 | High-heat-resistance polyvinyl chloride composition and preparation method and application thereof |
| CN116285004A (en) * | 2023-01-03 | 2023-06-23 | 广东联塑科技实业有限公司 | Electromagnetic shielding composite conductive material and preparation method and application thereof |
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| CN102504495A (en) * | 2011-11-04 | 2012-06-20 | 北京理工大学 | Epoxy resin composite wave-absorbing material and preparation method thereof |
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2018
- 2018-08-16 CN CN201810935320.4A patent/CN109294106A/en active Pending
Patent Citations (3)
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|---|---|---|---|---|
| CN102504495A (en) * | 2011-11-04 | 2012-06-20 | 北京理工大学 | Epoxy resin composite wave-absorbing material and preparation method thereof |
| CN106832666A (en) * | 2017-01-22 | 2017-06-13 | 浙江同正管道技术有限公司 | Polyvinyl chloride pipe for electromagnetism interference and preparation method thereof |
| CN107118469A (en) * | 2017-06-23 | 2017-09-01 | 湖北金牛管业有限公司 | A kind of new smoke suppression pipes and electrical casing pipe |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113185799A (en) * | 2021-04-28 | 2021-07-30 | 衢州艾科科技有限公司 | Composite material with electromagnetic shielding function and preparation method thereof |
| CN113265111A (en) * | 2021-04-29 | 2021-08-17 | 海南联塑科技实业有限公司 | High-heat-resistance polyvinyl chloride composition and preparation method and application thereof |
| CN116285004A (en) * | 2023-01-03 | 2023-06-23 | 广东联塑科技实业有限公司 | Electromagnetic shielding composite conductive material and preparation method and application thereof |
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Application publication date: 20190201 |