CN102443229A - Polyvinyl chloride cable filler and preparation method thereof - Google Patents
Polyvinyl chloride cable filler and preparation method thereof Download PDFInfo
- Publication number
- CN102443229A CN102443229A CN2011103153359A CN201110315335A CN102443229A CN 102443229 A CN102443229 A CN 102443229A CN 2011103153359 A CN2011103153359 A CN 2011103153359A CN 201110315335 A CN201110315335 A CN 201110315335A CN 102443229 A CN102443229 A CN 102443229A
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- polyvinyl chloride
- chloride cable
- cable
- stopping composition
- preparation
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- B29C47/92—
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- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
Abstract
The present invention discloses a polyvinyl chloride cable filler and a preparation method thereof. The polyvinyl chloride cable filler is mainly prepared by mixing the following raw materials according to a certain ratio, wherein the raw materials comprise: polyvinyl resin, phenolic resin, EVA, triallyl cyanurate, a silicane coupling agent, calcined zeolite powder, titanate, magnesium oxide, straw ashes, carbon black, azobisformamide, an anti-aging agent 4010 and a flame retardant agent. The polyvinyl chloride cable filler of the present invention has characteristics of stable chemical structure, no decomposition by microorganisms, good gel performance, and high expansion ability. With the polyvinyl chloride cable filler of the present invention, the electrical performance of the cable is improved, the service life of the cable is prolonged, and the resource is saved.
Description
Technical field
The present invention relates to cable and use the auxiliary material field, be specifically related to a kind of polyvinyl chloride cable stopping composition and preparation method thereof.
Background technology
The application of China's high voltage power cable very general with extensively, comparatively moist mostly at high voltage power cable underground its environment that is laid in mostly.The very easy construction of cable inside that is penetrated into of moisture. therefore the electric stress theory is thought under normal high pressure energising situation, and the internal stress of cable in production and operational process is the major cause that promotes the water tree growth.When cable when standing voltage and water, in the high pressure power frequency electric field, polar water molecules produces the intensive migration and electric field energy is converted into kinetic energy and heat energy, the water molecules that obtains huge energy is in the inner strenuous exercise of insulation.When the water molecules energy is enough to interrupt cable insulation XLPE molecular chain, will produce trickle crackle in that insulation is inner, near the XLPE insulating strain the conductor will increase, and in the bigger zone of strain (locating) like impurity and pore etc. just generate water tree.Reduce the dielectric level of insulating material greatly, thereby shortened the work-ing life of cable, cause enormous economic loss.
The cable of my company's exploitation is with vertical waterproofing type packing material; Mainly be through in cable stranding process, vertically filling the water blockoff strip material; Can absorb big water gaging, turgidity is high, and under heat effect, has higher gel viscosity and enough resistance toheats; And be convenient to the convenient of cable production industry and use, this material have the steady chemical structure that realizes the cable water shutoff material, not good by microbiological degradation, gellifying property, certain swelling capacity and speed of expansion requirement arranged.
Summary of the invention
For deficiency and the defective of alleviating prior art; The invention discloses a kind of polyvinyl chloride cable stopping composition and preparation method thereof; Polyvinyl chloride cable stopping composition of the present invention has steady chemical structure, not good by microbiological degradation, gellifying property, and swelling capacity is high, and the electric property of cable improves; Prolong the work-ing life of cable, practiced thrift resource.
The technical scheme that adopts for the present invention of realization above-mentioned purpose is following:
The polyvinyl chloride cable stopping composition is characterized in that the weight part of its constitutive material is:
Described polyvinyl chloride cable stopping composition is characterized in that: described fire retardant is selected from a kind of or mixture in Marinco H or the white lake.
The preparation method of described polyvinyl chloride cable stopping composition is characterized in that may further comprise the steps:
(1) weight part by constitutive material takes by weighing each raw material, mixes, and the extruder hopper of packing into, the barrel zone temperature of extruding machine are controlled at 130-190 ℃, generates the molten state compound;
(2) in the molten state compound, pour nitrogen, take out and pass through 75-95 ℃ hot water tank and room temperature tank, the air-dry finished product that obtains successively.
Beneficial effect of the present invention:
Polyvinyl chloride cable stopping composition of the present invention has steady chemical structure, not good by microbiological degradation, gellifying property, and swelling capacity is high, and the electric property of cable improves, and has prolonged the work-ing life of cable, has practiced thrift resource.
Embodiment
Embodiment 1: the polyvinyl chloride cable stopping composition, and the weight part of its constitutive material is:
The preparation method of polyvinyl chloride cable stopping composition may further comprise the steps:
(1) weight part by constitutive material takes by weighing each raw material, mixes, and the extruder hopper of packing into, the barrel zone temperature of extruding machine are controlled at 130-190 ℃, generates the molten state compound;
(2) in the molten state compound, pour nitrogen, take out and pass through 75-95 ℃ hot water tank and room temperature tank, the air-dry finished product that obtains successively.
Embodiment 2: the polyvinyl chloride cable stopping composition, and the weight part of its constitutive material is:
The preparation method of polyvinyl chloride cable stopping composition may further comprise the steps:
(1) weight part by constitutive material takes by weighing each raw material, mixes, and the extruder hopper of packing into, the barrel zone temperature of extruding machine are controlled at 130-190 ℃, generates the molten state compound;
(2) in the molten state compound, pour nitrogen, take out and pass through 75-95 ℃ hot water tank and room temperature tank, the air-dry finished product that obtains successively.
Embodiment 3: polyvinyl chloride cable stopping composition physics of the present invention, machinery and flame retardant properties, like following table 1:
Table 1:
| Performance | Unit | Test value | TP |
| Tensile strength | Mpa | 14.2 | GB1040 |
| Elongation at break | ％ | 227 | GB1040 |
| Impact embrittlement temperature | -20℃ | Through | GB5470 |
| Thermal distortion | ％ | 18.3 | GB8815 |
| 20 ℃ of volume specific resistances | Ω.m | 1.92×10 11 | GB1410 |
| Dielectric strength | MV/m | 25.4 | GB1408 |
| Oxygen index | - | 51.5 | GB2406 |
Claims (2)
1. polyvinyl chloride cable stopping composition is characterized in that the weight part of its constitutive material is:
PVC RESINS 90-110 part
Resol 50-60 part
EVA 10-15 part
TAC 4-7 part
Silane coupling agent 3-8 part
Roasting zeolite powder 10-15 part
Titanic acid ester 1-2 part
Natural manganese dioxide 3-10 part
Stalk ashes 10-15 part
Carbon black 20-30 part
Cellmic C 121 3-8 part
Antioxidant 4010 2-5 part
Fire retardant 2-5 part
Polyvinyl chloride cable stopping composition according to claim 1 is characterized in that: described fire retardant is selected from a kind of or mixture in Marinco H or the white lake.
2. the preparation method of a polyvinyl chloride cable stopping composition as claimed in claim 1 is characterized in that may further comprise the steps:
(1) weight part by constitutive material takes by weighing each raw material, mixes, and the extruder hopper of packing into, the barrel zone temperature of extruding machine are controlled at 130-190 ℃, generates the molten state compound;
(2) in the molten state compound, pour nitrogen, take out and pass through 75-95 ℃ hot water tank and room temperature tank, the air-dry finished product that obtains successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103153359A CN102443229B (en) | 2011-10-18 | 2011-10-18 | Polyvinyl chloride cable filler and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103153359A CN102443229B (en) | 2011-10-18 | 2011-10-18 | Polyvinyl chloride cable filler and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102443229A true CN102443229A (en) | 2012-05-09 |
| CN102443229B CN102443229B (en) | 2013-05-08 |
Family
ID=46006187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103153359A Expired - Fee Related CN102443229B (en) | 2011-10-18 | 2011-10-18 | Polyvinyl chloride cable filler and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102443229B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103613880A (en) * | 2013-10-28 | 2014-03-05 | 安徽精一机械设备有限公司 | Flame-retardant foam material |
| CN103724872A (en) * | 2013-12-10 | 2014-04-16 | 芜湖佳诚电子科技有限公司 | Environmentally-friendly PVC cable material and preparation method thereof |
| CN104861387A (en) * | 2015-04-28 | 2015-08-26 | 安徽顺驰电缆有限公司 | Novel cable stuffing material |
| CN105273342A (en) * | 2014-06-09 | 2016-01-27 | 南通慧源塑胶有限公司 | Pressure resistant plastic formula |
| WO2020051933A1 (en) * | 2018-09-12 | 2020-03-19 | 淄博齐鼎立专利信息咨询有限公司 | High temperature resistant, flame-retardant cable material and preparation method therefor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001043737A (en) * | 1999-08-02 | 2001-02-16 | Fujikura Ltd | Resin admixture for intervention for electric cable |
| CN101517009A (en) * | 2006-09-18 | 2009-08-26 | 陶氏康宁公司 | Fillers, pigments and mineral powders treated with organopolysiloxanes |
| CN101875747A (en) * | 2009-04-28 | 2010-11-03 | 杭州德裕饰品有限公司 | Ultralow temperature polyvinyl chloride (PVC) modified insulating sheath cable material and preparation method thereof |
-
2011
- 2011-10-18 CN CN2011103153359A patent/CN102443229B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001043737A (en) * | 1999-08-02 | 2001-02-16 | Fujikura Ltd | Resin admixture for intervention for electric cable |
| CN101517009A (en) * | 2006-09-18 | 2009-08-26 | 陶氏康宁公司 | Fillers, pigments and mineral powders treated with organopolysiloxanes |
| CN101875747A (en) * | 2009-04-28 | 2010-11-03 | 杭州德裕饰品有限公司 | Ultralow temperature polyvinyl chloride (PVC) modified insulating sheath cable material and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103613880A (en) * | 2013-10-28 | 2014-03-05 | 安徽精一机械设备有限公司 | Flame-retardant foam material |
| CN103724872A (en) * | 2013-12-10 | 2014-04-16 | 芜湖佳诚电子科技有限公司 | Environmentally-friendly PVC cable material and preparation method thereof |
| CN105273342A (en) * | 2014-06-09 | 2016-01-27 | 南通慧源塑胶有限公司 | Pressure resistant plastic formula |
| CN104861387A (en) * | 2015-04-28 | 2015-08-26 | 安徽顺驰电缆有限公司 | Novel cable stuffing material |
| WO2020051933A1 (en) * | 2018-09-12 | 2020-03-19 | 淄博齐鼎立专利信息咨询有限公司 | High temperature resistant, flame-retardant cable material and preparation method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102443229B (en) | 2013-05-08 |
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Granted publication date: 20130508 Termination date: 20131018 |