CN105802061A - Flexible cold-resistant high-mobility polyvinyl chloride cable material - Google Patents
Flexible cold-resistant high-mobility polyvinyl chloride cable material Download PDFInfo
- Publication number
- CN105802061A CN105802061A CN201610184743.8A CN201610184743A CN105802061A CN 105802061 A CN105802061 A CN 105802061A CN 201610184743 A CN201610184743 A CN 201610184743A CN 105802061 A CN105802061 A CN 105802061A
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- CN
- China
- Prior art keywords
- resin
- polyvinyl chloride
- cable material
- cold resistance
- high poly
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Classifications
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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
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/443—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
-
- 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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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Insulating Materials (AREA)
Abstract
A flexible cold-resistant high-mobility polyvinyl chloride cable material is prepared from high poly resin, resin, calcium carbonate powder, dioctyl phthalate, dioctyl adipate, a composite calcium-zinc stabilizer, a silane coupling agent, paraffin, stearic acid, an acrylate elastomer material, an antioxidant and carbon black.By using the novel material components, the flexible cold-resistant high-mobility polyvinyl chloride cable material can achieve the high flexibility and cold resistance, be suitable for being applied to insulation and sheaths of high-mobility cables, adapt to a cold outdoor environment, not fracture after working for a long time and prolong the service life of the cables and has the advantages of the certain wear resistance, oil resistance, bending resistance and oxidation resistance.
Description
Technical field
The invention belongs to chemical technology field, be specifically related to a kind of soft cold resistance polyvinyl chloride height removal cable material.
Background technology
At present, along with electric wire application in productive life, people are also more and more higher to the requirement of electric wire, particularly in some rugged environment areas, electric wire used needs many-sided outstanding properties, for instance, in cold weather area, needing electric wire to have tolerance to cold and flexibility, it is possible to the outdoor environment seasoned oneself to cold, working long hours does not rupture will not ftracture because of low temperature brittleness；For being applied to the electric wire of generating set, locomotive unit etc., should also have wearability and oil resistance, but at present commercially, almost seldom live wire cable can have these performances concurrently simultaneously.
Summary of the invention
For the problems referred to above, it is contemplated that release a kind of soft cold resistance polyvinyl chloride height removal cable material having high-flexibility, tolerance to cold and wet goods performance wear-resisting, resistance to concurrently.
The technical solution used in the present invention is: a kind of soft cold resistance polyvinyl chloride height removal cable material, its component includes: high poly resin, resin, Paris white, dioctyl phthalate, dioctyl adipate, composite calcium zinc stabilizing agent, silane coupler, paraffin, stearic acid, acrylate elastomer material, antioxidant and white carbon black；The mass fraction proportioning of each component is: high poly resin 60-80 part, resin 20-40 part, Paris white 30-35 part, dioctyl phthalate 30-50 part, dioctyl adipate 10-20 part, composite calcium zinc stabilizing agent 3-5 part, silane coupler 0.5-1 part, paraffin 0.2-0.5 part, stearic acid 0.3-0.5 part, acrylate elastomer material 5-10 part, antioxidant 1-2 part, white carbon black 0.5-1 part.
The high poly resin that described high poly resin adopts the degree of polymerization to be 2500-3000.
Described resin adopts the degree of polymerization to be the resin of 1300-1500.
A kind of soft cold resistance polyvinyl chloride height removal cable material, its manufacture method comprises the following steps:
(1) stirring: Paris white is put in homogenizer, agitation revolution is set to 1000 turns/min, when temperature reaches 80 DEG C, add silane coupler and continue stirring, when temperature reaches 90 DEG C, by high poly resin, resin, dioctyl phthalate, dioctyl adipate, composite calcium zinc stabilizing agent, paraffin, stearic acid, antioxidant and white carbon black join in homogenizer, revolution is set to 800 turns/min, treat that temperature reaches about 115 DEG C and adds acrylate elastomer material, revolution is constant continues stirring, when temperature reaches 118-122 DEG C, stop stirring obtaining mixed material, standby；
(2) extrusion: put into by mixed material in extruder, heated, plasticizing is also filtered at head flange, is then passed through head pelletizing, and described extruder each district temperature is 125 DEG C-135 DEG C；
(3) packaging: CABLE MATERIALS after pelletizing is packaged is a kind of soft cold resistance polyvinyl chloride height removal cable material.
Compared with prior art, the invention have the advantages that: by using novel material component, this product can be made to have high-flexibility and tolerance to cold, it is suitable for insulation and the sheath of high mobile class cable, adapt to the outdoor environment of cold, work long hours and do not rupture, improve the service life of cable, and there is certain wear-resisting, oil resistant, resist bending and antioxidative characteristic.
Detailed description of the invention
Embodiment one
A kind of soft cold resistance polyvinyl chloride height removal cable material, its component includes: high poly resin, resin, Paris white, dioctyl phthalate, dioctyl adipate, composite calcium zinc stabilizing agent, silane coupler, paraffin, stearic acid, acrylate elastomer material, antioxidant and white carbon black；The mass fraction proportioning of each component is: high poly resin 60 parts, resin 40 parts, Paris white 30 parts, dioctyl phthalate 50 parts, dioctyl adipate 10 parts, composite calcium zinc stabilizing agent 5 parts, silane coupler 0.5 part, 0.5 part of paraffin, stearic acid 0.3 part, 10 parts of acrylate elastomer material, 1 part of antioxidant, white carbon black 1 part.
The high poly resin that described high poly resin adopts the degree of polymerization to be 2500-3000.
Described resin adopts the degree of polymerization to be the resin of 1300-1500.
A kind of soft cold resistance polyvinyl chloride height removal cable material, its manufacture method comprises the following steps:
(1) stirring: Paris white is put in homogenizer, agitation revolution is set to 1000 turns/min, when temperature reaches 80 DEG C, add silane coupler and continue stirring, when temperature reaches 90 DEG C, by high poly resin, resin, dioctyl phthalate, dioctyl adipate, composite calcium zinc stabilizing agent, paraffin, stearic acid, antioxidant and white carbon black join in homogenizer, revolution is set to 800 turns/min, treat that temperature reaches about 115 DEG C and adds acrylate elastomer material, revolution is constant continues stirring, when temperature reaches 118 DEG C, stop stirring obtaining mixed material, standby；
(2) extrusion: put into by mixed material in extruder, heated, plasticizing is also filtered at head flange, is then passed through head pelletizing, and described extruder each district temperature is 125 DEG C-135 DEG C；
(3) packaging: CABLE MATERIALS after pelletizing is packaged is a kind of soft cold resistance polyvinyl chloride height removal cable material.
Embodiment two
A kind of soft cold resistance polyvinyl chloride height removal cable material, its component includes: high poly resin, resin, Paris white, dioctyl phthalate, dioctyl adipate, composite calcium zinc stabilizing agent, silane coupler, paraffin, stearic acid, acrylate elastomer material, antioxidant and white carbon black；The mass fraction proportioning of each component is: high poly resin 80 parts, resin 20 parts, Paris white 35 parts, dioctyl phthalate 30 parts, dioctyl adipate 20 parts, composite calcium zinc stabilizing agent 3 parts, silane coupler 1 part, 0.2 part of paraffin, stearic acid 0.5 part, 5 parts of acrylate elastomer material, 2 parts of antioxidant, white carbon black 0.5 part.
The high poly resin that described high poly resin adopts the degree of polymerization to be 2500-3000.
Described resin adopts the degree of polymerization to be the resin of 1300-1500.
A kind of soft cold resistance polyvinyl chloride height removal cable material, its manufacture method comprises the following steps:
(1) stirring: Paris white is put in homogenizer, agitation revolution is set to 1000 turns/min, when temperature reaches 80 DEG C, add silane coupler and continue stirring, when temperature reaches 90 DEG C, by high poly resin, resin, dioctyl phthalate, dioctyl adipate, composite calcium zinc stabilizing agent, paraffin, stearic acid, antioxidant and white carbon black join in homogenizer, revolution is set to 800 turns/min, treat that temperature reaches about 115 DEG C and adds acrylate elastomer material, revolution is constant continues stirring, when temperature reaches 122 DEG C, stop stirring obtaining mixed material, standby；
(2) extrusion: put into by mixed material in extruder, heated, plasticizing is also filtered at head flange, is then passed through head pelletizing, and described extruder each district temperature is 125 DEG C-135 DEG C；
(3) packaging: CABLE MATERIALS after pelletizing is packaged is a kind of soft cold resistance polyvinyl chloride height removal cable material.
Embodiment three
A kind of soft cold resistance polyvinyl chloride height removal cable material, its component includes: high poly resin, resin, Paris white, dioctyl phthalate, dioctyl adipate, composite calcium zinc stabilizing agent, silane coupler, paraffin, stearic acid, acrylate elastomer material, antioxidant and white carbon black；The mass fraction proportioning of each component is: high poly resin 70 parts, resin 30 parts, Paris white 32 parts, dioctyl phthalate 40 parts, dioctyl adipate 15 parts, composite calcium zinc stabilizing agent 4 parts, silane coupler 0.8 part, 0.4 part of paraffin, stearic acid 0.3 part, 8 parts of acrylate elastomer material, 1.5 parts of antioxidant, white carbon black 0.8 part.
The high poly resin that described high poly resin adopts the degree of polymerization to be 2500-3000.
Described resin adopts the degree of polymerization to be the resin of 1300-1500.
A kind of soft cold resistance polyvinyl chloride height removal cable material, its manufacture method comprises the following steps:
(1) stirring: Paris white is put in homogenizer, agitation revolution is set to 1000 turns/min, when temperature reaches 80 DEG C, add silane coupler and continue stirring, when temperature reaches 90 DEG C, by high poly resin, resin, dioctyl phthalate, dioctyl adipate, composite calcium zinc stabilizing agent, paraffin, stearic acid, antioxidant and white carbon black join in homogenizer, revolution is set to 800 turns/min, treat that temperature reaches about 115 DEG C and adds acrylate elastomer material, revolution is constant continues stirring, when temperature reaches 120 DEG C, stop stirring obtaining mixed material, standby；
(2) extrusion: put into by mixed material in extruder, heated, plasticizing is also filtered at head flange, is then passed through head pelletizing, and described extruder each district temperature is 125 DEG C-135 DEG C；
(3) packaging: CABLE MATERIALS after pelletizing is packaged is a kind of soft cold resistance polyvinyl chloride height removal cable material.
The excellent in mechanical performance of the CABLE MATERIALS material that above-described embodiment is obtained after tested, tensile strength is at more than 12.5MPa, and elongation at break can reach more than 350%, and cold-resistant temperature is below-35 DEG C.
Claims (5)
1. a soft cold resistance polyvinyl chloride height removal cable material, it is characterized in that, its component includes: high poly resin, resin, Paris white, dioctyl phthalate, dioctyl adipate, composite calcium zinc stabilizing agent, silane coupler, paraffin, stearic acid, acrylate elastomer material, antioxidant and white carbon black；The mass fraction proportioning of each component is: high poly resin 60-80 part, resin 20-40 part, Paris white 30-35 part, dioctyl phthalate 30-50 part, dioctyl adipate 10-20 part, composite calcium zinc stabilizing agent 3-5 part, silane coupler 0.5-1 part, paraffin 0.2-0.5 part, stearic acid 0.3-0.5 part, acrylate elastomer material 5-10 part, antioxidant 1-2 part, white carbon black 0.5-1 part.
2. a kind of soft cold resistance polyvinyl chloride height removal cable material according to claim 1, it is characterised in that its manufacture method comprises the following steps:
(1) stirring: Paris white is put in homogenizer, agitation revolution is set to 1000 turns/min, when temperature reaches 80 DEG C, add silane coupler and continue stirring, when temperature reaches 90 DEG C, by high poly resin, resin, dioctyl phthalate, dioctyl adipate, composite calcium zinc stabilizing agent, paraffin, stearic acid, antioxidant and white carbon black join in homogenizer, revolution is set to 800 turns/min, treat that temperature reaches about 115 DEG C and adds acrylate elastomer material, revolution is constant continues stirring, when temperature reaches 118-122 DEG C, stop stirring obtaining mixed material, standby；
(2) extrusion: put into by mixed material in extruder, heated, plasticizing is also filtered at head flange, is then passed through head pelletizing；
(3) packaging: CABLE MATERIALS after pelletizing is packaged is a kind of soft cold resistance polyvinyl chloride height removal cable material.
3. a kind of soft cold resistance polyvinyl chloride height removal cable material according to claim 1, it is characterised in that the high poly resin that described high poly resin adopts the degree of polymerization to be 2500-3000.
4. a kind of soft cold resistance polyvinyl chloride height removal cable material according to claim 1, it is characterised in that described resin adopts the degree of polymerization to be the resin of 1300-1500.
5. a kind of soft cold resistance polyvinyl chloride height removal cable material according to claim 2, it is characterised in that described extruder each district temperature is 125 DEG C-135 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610184743.8A CN105802061A (en) | 2016-03-29 | 2016-03-29 | Flexible cold-resistant high-mobility polyvinyl chloride cable material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610184743.8A CN105802061A (en) | 2016-03-29 | 2016-03-29 | Flexible cold-resistant high-mobility polyvinyl chloride cable material |
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| Publication Number | Publication Date |
|---|---|
| CN105802061A true CN105802061A (en) | 2016-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610184743.8A Pending CN105802061A (en) | 2016-03-29 | 2016-03-29 | Flexible cold-resistant high-mobility polyvinyl chloride cable material |
Country Status (1)
| Country | Link |
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| CN (1) | CN105802061A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106243580A (en) * | 2016-09-22 | 2016-12-21 | 佛山市飞时达新材料科技有限公司 | A kind of manufacture method of PVC composite cable material |
| CN113025152A (en) * | 2021-04-25 | 2021-06-25 | 北京市政路桥管理养护集团有限公司 | Anti-cracking hot-melt reflective marking paint |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101159174A (en) * | 2007-09-03 | 2008-04-09 | 上海斯瑞聚合体科技有限公司 | Explosion prevention PVC sheath material for mine cable and preparation method thereof |
| CN101497727A (en) * | 2009-03-04 | 2009-08-05 | 南亚塑胶工业股份有限公司 | PVC resin composition and product thereof |
| CN103342868A (en) * | 2013-07-10 | 2013-10-09 | 江苏德威新材料股份有限公司 | Environment-friendly ethanol migration resistance elastomer sheathing compound and preparation method thereof |
| CN103834117A (en) * | 2012-11-20 | 2014-06-04 | 浙江正导电缆有限公司 | Preparation method of modified polyvinyl chloride soft sheath cable material |
| CN104530605A (en) * | 2015-01-14 | 2015-04-22 | 河北新湖中利高分子材料科技有限公司 | PVC cable material with soft, cold resistant, oil resistant and abrasion resistant properties and preparation method thereof |
| CN105086196A (en) * | 2014-11-04 | 2015-11-25 | 合肥轩明信息科技有限公司 | PVC cable material formula |
| CN105255047A (en) * | 2015-10-26 | 2016-01-20 | 中广核三角洲（中山）高聚物有限公司 | Subzero 50 DEG C supercold-resistant low-temperature-resistant polyvinyl chloride cable material and manufacturing method thereof |
-
2016
- 2016-03-29 CN CN201610184743.8A patent/CN105802061A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101159174A (en) * | 2007-09-03 | 2008-04-09 | 上海斯瑞聚合体科技有限公司 | Explosion prevention PVC sheath material for mine cable and preparation method thereof |
| CN101497727A (en) * | 2009-03-04 | 2009-08-05 | 南亚塑胶工业股份有限公司 | PVC resin composition and product thereof |
| CN103834117A (en) * | 2012-11-20 | 2014-06-04 | 浙江正导电缆有限公司 | Preparation method of modified polyvinyl chloride soft sheath cable material |
| CN103342868A (en) * | 2013-07-10 | 2013-10-09 | 江苏德威新材料股份有限公司 | Environment-friendly ethanol migration resistance elastomer sheathing compound and preparation method thereof |
| CN105086196A (en) * | 2014-11-04 | 2015-11-25 | 合肥轩明信息科技有限公司 | PVC cable material formula |
| CN104530605A (en) * | 2015-01-14 | 2015-04-22 | 河北新湖中利高分子材料科技有限公司 | PVC cable material with soft, cold resistant, oil resistant and abrasion resistant properties and preparation method thereof |
| CN105255047A (en) * | 2015-10-26 | 2016-01-20 | 中广核三角洲（中山）高聚物有限公司 | Subzero 50 DEG C supercold-resistant low-temperature-resistant polyvinyl chloride cable material and manufacturing method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106243580A (en) * | 2016-09-22 | 2016-12-21 | 佛山市飞时达新材料科技有限公司 | A kind of manufacture method of PVC composite cable material |
| CN113025152A (en) * | 2021-04-25 | 2021-06-25 | 北京市政路桥管理养护集团有限公司 | Anti-cracking hot-melt reflective marking paint |
| CN113025152B (en) * | 2021-04-25 | 2022-06-07 | 北京市政路桥管理养护集团有限公司 | Anti-cracking hot-melt reflective marking paint |
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Application publication date: 20160727 |
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