CN103724937A - Special insulating material for cable slideway connector - Google Patents
Special insulating material for cable slideway connector Download PDFInfo
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- CN103724937A CN103724937A CN201310620008.3A CN201310620008A CN103724937A CN 103724937 A CN103724937 A CN 103724937A CN 201310620008 A CN201310620008 A CN 201310620008A CN 103724937 A CN103724937 A CN 103724937A
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Abstract
The invention discloses a special insulating material for a cable connector. The insulating material comprises the following raw materials in parts by weight: 30-50 parts of epoxy resin, 6-10 parts of a curing agent, 15-25 parts of polyvinyl chloride, 8-15 parts of fluorocarbon resin, 10-15 parts of a plasticizer, 6-10 parts of a preservative agent, 3-6 parts of an ultraviolet light absorber, 8-12 parts of zeolite powder, 3-5 parts of cellulose, 7-11 parts of silicone resin, 6-12 parts of phenolic resin, and 3-6 parts of a stabilizer. The insulating material has the advantages of good bonding performance, good insulativity, high-temperature resistance, corrosion resistance, favorable low-temperature cold resistance, and ultraviolet ray prevention. In addition, the insulating property is larger than or equal to 1*1013 Omega. m, the low-temperature cold tolerance is good, the low-temperature tendering temperature is small than or equal to -55 DEG C, the ultraviolet ray can be prevented, tenacity and strength are both provided, the service life can be prolonged to over 50 years, the current loss of the cable can be reduced by more than 85 percent, and the requirements of the market on the insulating material of the cable are met.
Description
Technical field
The invention belongs to cable splice insulating material technical field, particularly a kind of cable splice special isolation material of acid resistance corrosion-resistant and high-temperature resistant.
Background technology
In the various means of defence of electric wire joint, it is modal adopting insulation tape to tie up, and insulation tape is comprised of base band and pressure-sensitive adhesive layer.Base band generally adopts cotton, synthetic fabrics, woven fiber glass, polyester and PVC plastics film etc., and glue-line is added the Synergist S-421 95s such as tackifying resin to be made by rubber, has viscosity good, and insulating property are good, and difficult combustion is from the advantage of putting out.But because employing is tied up, inevitably there is the gap of both sides' binding site between wire.The consequence that cause in this gap is that the corrosive liquid such as air and airborne corrosive gases and rainwater easily touch wire by gap, causes thus wire oxidation, loose contact, and the fault such as contact electricity resistive is large, conductor joint heating, the meeting that situation is serious causes fire.
Cable of the prior art all be take polyvinyl chloride (PVC) RESINS as base mateiral with insulating material, adds the auxiliary agents such as a certain proportion of softening agent, stablizer and mix in polyvinyl chloride (PVC) RESINS.But the insulating material of prior art can not have good insulating, high temperature resistant, corrosion-resistant, low temperature cold tolerance etc. concurrently, improved often resistance to elevated temperatures, and low temperature cold tolerance reduces, or the reduction of low temperature cold tolerance or intensity, greatly reduced work-ing life., guaranteeing that insulating material has having concurrently of good insulating, high temperature resistant, corrosion-resistant, low temperature cold tolerance, be how scientific research personnel's important topic urgently to be resolved hurrily.
Summary of the invention
The present invention, for solving the problems of the technologies described above, provides a kind of cable splice special isolation material, and this insulating material adhesiveproperties is good, good insulating, high temperature resistant, corrosion-resistant and have good low temperature cold tolerance, and can prevent ultraviolet ray.
Realizing the technical scheme that above-mentioned purpose takes is: a kind of cable splice special isolation material, its weight percent composition is: epoxy resin: 30～50 parts, solidifying agent: 6～10 parts, polyvinyl chloride: 15～25 parts, fluorocarbon resin: 8～15 parts, softening agent: 10～15 parts, sanitas: 6～10 parts, UV light absorber: 3～6 parts, zeolite powder: 8～12 parts, Mierocrystalline cellulose: 3～5 parts, silicone resin: 7 ~ 11 parts, resol: 6 ~ 12 parts, stablizer: 3 ~ 6 parts.
Cable splice special isolation material of the present invention, also can contain at least one in following weight per-cent composition: isocyanic ester: 6～8 parts, furfuryl resin: 4～10 parts, polyamide resin: 6～10 parts.
Described solidifying agent adopts m-xylene diamine.
Described softening agent adopts dibutyl phthalate.
Described sanitas adopts dehydroacetic acid (DHA).
Described Mierocrystalline cellulose adopts Vltra tears.
The granularity of described zeolite powder is 200～500 orders.
Above-mentioned each effect and cementability, insulativity, high thermal resistance, erosion resistance, low temperature winter hardiness of synthetic minute in the present invention, prevent that the linear mechanism of ultraviolet is as follows: epoxy resin of the present invention: there is good bonding strength and chemical resistance, in epoxy resin molecular chain, intrinsic polarity hydroxyl and the existence of ehter bond, make it to various materials, have very high adhesive power.Shrinkability during epoxy resin cure is low, and the internal stress of generation is little, and this also contributes to improve adhesion strength.
Polyvinyl chloride of the present invention: all stable to organic and mineral acid, alkali, salt, there is difficult combustion, acid and alkali-resistance, antimicrobial, wear-resisting characteristic.Under the effect of stablizer, performance is more stable.
Fluorocarbon resin of the present invention: having firmly C-F key is skeleton, and its thermotolerance, chemical-resistant, winter hardiness, low temperature flexibility, weathering resistance etc. are all better, and due to its good crystallinity, therefore there is not adhesion, non-wettability.Can increase thermotolerance, chemical-resistant, winter hardiness, low temperature flexibility, the weathering resistance of insulating material.
Softening agent of the present invention adopts dibutyl phthalate: have good ramollescence.Stability, resistance to deflection, agglutinating value(of coal) and water-repellancy.
Sanitas of the present invention adopts dehydroacetic acid (DHA): have efficient corrosion resisting, fungicidal properties.And under acid, alkali condition, all there is certain anti-microbial effect, especially the strongest to the restraining effect of mould.Can improve the antiseptic property of insulating material.
UV light absorber of the present invention: UV light absorber is a kind of photostabilizer, can absorb the ultraviolet part in sunlight and fluorescence light source, and itself does not change.Can absorb consumingly ultraviolet ray (especially wavelength is 290-400nm); Heat stability is good, even if work in-process can be because heat changes yet, hot volatility is little; Chemical stability is good, not with goods in material component generation adverse effect; Compatibility is good, can be evenly dispersed in material, and no blooming, does not ooze out; The photochemical stability of absorption agent itself is good, does not decompose nondiscoloration; Colourless, nontoxic, odorless; Resistance to embathing; Inexpensive, be easy to get; 9 is insoluble, or be insoluble in water.Can greatly improve the work-ing life of material.
Zeolite powder of the present invention: the coarse vesicular structure with having of zeolite surface, make it have the stronger ability that carries, not only can make material be adsorbed on equably surface, and can be adsorbed onto in hole and passage, improve the utilizability of material and also greatly improved the homogeneity of mixing, thereby improved intensity and the tensile property of insulating material.Zeolite is acidproof simultaneously, can improve the corrosion resistance nature of insulating material.
Mierocrystalline cellulose of the present invention adopts Vltra tears: can soften insulating material, increase the toughness of insulating material, play the effect that disperses polyvinyl chloride simultaneously.
Silicone resin of the present invention: mainly can improve insulating material resistance toheat, the insulation, resistance that simultaneously also can improve insulating material so, anti-electric-arc performance.
Resol of the present invention: can improve insulating material heatproof and corrosion resistance nature.
Isocyanic ester of the present invention: reduce moisture perviousness and increase water resisting property.
Furfuryl resin of the present invention: improve static bending performance, improve acid resistance.
Polyamide resin of the present invention: can improve fragility, improve cementability.
Compared with the prior art, cable splice special isolation material beneficial effect of the present invention is: this insulating material adhesiveproperties is good, good insulating, high temperature resistant, corrosion-resistant and have good low temperature cold tolerance, and can prevent ultraviolet ray.While insulating property>=1 * 10
13Ω .m, good low temperature cold tolerance, brittle temperature≤-55 ℃, and energy antiultraviolet, toughness and intensity have concurrently, can reach work-ing life more than 50 years, reduce cable current loss more than 85%, met market to the high performance demand of insulating material for cable.
Embodiment
A cable splice special isolation material, its weight percent composition is: epoxy resin: 30～50 parts, solidifying agent: 6～10 parts, polyvinyl chloride: 15～25 parts, fluorocarbon resin: 8～15 parts, softening agent: 10～15 parts, sanitas: 6～10 parts, UV light absorber: 3～6 parts, zeolite powder: 8～12 parts, Mierocrystalline cellulose: 3～5 parts, silicone resin: 7 ~ 11 parts, resol: 6 ~ 12 parts, stablizer: 3 ~ 6 parts.
Preferably, a cable splice special isolation material, its weight percent composition is: epoxy resin: 35～45 parts, solidifying agent: 7～9 parts, polyvinyl chloride: 18～21 parts, fluorocarbon resin: 10～12 parts, softening agent: 10～15 parts, sanitas: 7～9 parts, UV light absorber: 3～6 parts, zeolite powder: 9～11 parts, Mierocrystalline cellulose: 3～5 parts, silicone resin: 7 ~ 11 parts, resol: 7 ~ 10 parts, stablizer: 3 ~ 6 parts.
Cable splice special isolation material of the present invention, also can contain at least one in following weight per-cent composition: isocyanic ester: 6～8 parts, furfuryl resin: 4～10 parts, polyamide resin: 6～10 parts.
Embodiment 1: a kind of cable splice special isolation material, its weight percent composition is: epoxy resin: 30 parts, solidifying agent: 6 parts, polyvinyl chloride: 15 parts, fluorocarbon resin: 8 parts, softening agent: 10 parts, sanitas: 6 parts, UV light absorber: 3 parts, zeolite powder: 8 parts, Mierocrystalline cellulose: 3 parts, silicone resin: 7 parts, resol: 6 parts, stablizer: 3 parts, isocyanic ester: 6 parts.
Embodiment 2: a kind of cable splice special isolation material, its weight percent composition is: epoxy resin: 30 parts, solidifying agent: 6 parts, polyvinyl chloride: 15 parts, fluorocarbon resin: 8 parts, softening agent: 10 parts, sanitas: 6 parts, UV light absorber: 3 parts, zeolite powder: 8 parts, Mierocrystalline cellulose: 3 parts, silicone resin: 7 parts, resol: 6 parts, stablizer: 3 parts, furfuryl resin: 5 parts.
Embodiment 3: a kind of cable splice special isolation material, its weight percent composition is: epoxy resin: 30 parts, solidifying agent: 6 parts, polyvinyl chloride: 15 parts, fluorocarbon resin: 8 parts, softening agent: 10 parts, sanitas: 6 parts, UV light absorber: 3 parts, zeolite powder: 8 parts, Mierocrystalline cellulose: 3 parts, silicone resin: 7 parts, resol: 6 parts, stablizer: 3 parts, furfuryl resin: 4 parts.
Embodiment 4: a kind of cable splice special isolation material, its weight percent composition is: epoxy resin: 50 parts, solidifying agent: 10 parts, polyvinyl chloride: 25 parts, fluorocarbon resin: 15 parts, softening agent: 15 parts, sanitas: 10 parts, UV light absorber: 6 parts, zeolite powder: 12 parts, Mierocrystalline cellulose: 5 parts, silicone resin: 11 parts, resol: 12 parts, stablizer: 6 parts, isocyanic ester: 8 parts.
Embodiment 5: a kind of cable splice special isolation material, its weight percent composition is: epoxy resin: 50 parts, solidifying agent: 10 parts, polyvinyl chloride: 25 parts, fluorocarbon resin: 15 parts, softening agent: 15 parts, sanitas: 10 parts, UV light absorber: 6 parts, zeolite powder: 12 parts, Mierocrystalline cellulose: 5 parts, silicone resin: 11 parts, resol: 12 parts, stablizer: 6 parts, furfuryl resin: 10 parts.
Embodiment 6: a kind of cable splice special isolation material, its weight percent composition is: epoxy resin: 50 parts, solidifying agent: 10 parts, polyvinyl chloride: 25 parts, fluorocarbon resin: 15 parts, softening agent: 15 parts, sanitas: 10 parts, UV light absorber: 6 parts, zeolite powder: 12 parts, Mierocrystalline cellulose: 5 parts, silicone resin: 11 parts, resol: 12 parts, stablizer: 6 parts, polyamide resin: 8 parts.
Embodiment 7: a kind of cable splice special isolation material, its weight percent composition is: epoxy resin: 30～50 parts, solidifying agent: 8 parts, polyvinyl chloride: 20 parts, fluorocarbon resin: 12 parts, softening agent: 12 parts, sanitas: 8 parts, UV light absorber: 5 parts, zeolite powder: 10 parts, Mierocrystalline cellulose: 4 parts, silicone resin: 9 parts, resol: 9 parts, stablizer: 5 parts, isocyanic ester: 7 parts.
Embodiment 8: a kind of cable splice special isolation material, its weight percent composition is: epoxy resin: 30～50 parts, solidifying agent: 8 parts, polyvinyl chloride: 20 parts, fluorocarbon resin: 12 parts, softening agent: 12 parts, sanitas: 8 parts, UV light absorber: 5 parts, zeolite powder: 10 parts, Mierocrystalline cellulose: 4 parts, silicone resin: 9 parts, resol: 9 parts, stablizer: 5 parts, furfuryl resin: 7 parts.
Embodiment 9: a kind of cable splice special isolation material, its weight percent composition is: epoxy resin: 30～50 parts, solidifying agent: 8 parts, polyvinyl chloride: 20 parts, fluorocarbon resin: 12 parts, softening agent: 12 parts, sanitas: 8 parts, UV light absorber: 5 parts, zeolite powder: 10 parts, Mierocrystalline cellulose: 4 parts, silicone resin: 9 parts, resol: 9 parts, stablizer: 5 parts, polyamide resin: 6 parts.
Embodiment 10: a kind of cable splice special isolation material, its weight percent composition is: epoxy resin: 30～50 parts, solidifying agent: 8 parts, polyvinyl chloride: 20 parts, fluorocarbon resin: 12 parts, softening agent: 12 parts, sanitas: 8 parts, UV light absorber: 5 parts, zeolite powder: 10 parts, Mierocrystalline cellulose: 4 parts, silicone resin: 9 parts, resol: 9 parts, stablizer: 5 parts, furfuryl resin: 8 parts, polyamide resin: 6 parts.
Embodiment 11: a kind of cable splice special isolation material, its weight percent composition is: epoxy resin: 30～50 parts, solidifying agent: 8 parts, polyvinyl chloride: 20 parts, fluorocarbon resin: 12 parts, softening agent: 12 parts, sanitas: 8 parts, UV light absorber: 5 parts, zeolite powder: 10 parts, Mierocrystalline cellulose: 4 parts, silicone resin: 9 parts, resol: 9 parts, stablizer: 5 parts, isocyanic ester: 7 parts, polyamide resin: 6 parts.
Embodiment 12: a kind of cable splice special isolation material, its weight percent composition is: epoxy resin: 30～50 parts, solidifying agent: 8 parts, polyvinyl chloride: 20 parts, fluorocarbon resin: 12 parts, softening agent: 12 parts, sanitas: 8 parts, UV light absorber: 5 parts, zeolite powder: 10 parts, Mierocrystalline cellulose: 4 parts, silicone resin: 9 parts, resol: 9 parts, stablizer: 5 parts, isocyanic ester: 7 parts, furfuryl resin: 8 parts, polyamide resin: 6 parts.
Embodiment 1-12 is put under acidity or alkaline environment and tested, and high temperature test, and under low temperature, carry out cementability, insulativity, the adhesiveproperties of embodiment 1-12 insulating material is good, good insulating, high temperature resistant, corrosion-resistant very good, and there is good low temperature cold tolerance, insulating property>=1 * 10 simultaneously
12Ω .m, brittle temperature≤-55 ℃, detect embodiment 1-12 insulating material toughness and intensity simultaneously, toughness and intensity are good, make people beyond thought, embodiment 10-12 especially, the adhesiveproperties of insulating material is good, good insulating, high temperature resistant, corrosion-resistant extremely good, and there is good low temperature cold tolerance, insulating property>=1 * 10 simultaneously
13Ω .m, brittle temperature≤-65 ℃, have met market to the high performance demand of insulating material.
Compared with the prior art, cable splice special isolation material beneficial effect of the present invention is: this insulating material adhesiveproperties is good, good insulating, high temperature resistant, corrosion-resistant and have good low temperature cold tolerance, and can prevent ultraviolet ray.While insulating property>=1 * 10
13Ω .m, good low temperature cold tolerance, brittle temperature≤-55 ℃, and energy antiultraviolet, can reach more than 50 years work-ing life, reduces cable current loss more than 85%, met market to the high performance demand of insulating material.
Claims (7)
1. a cable splice special isolation material, is characterized in that: its weight percent composition is: epoxy resin: 30～50 parts, solidifying agent: 6～10 parts, polyvinyl chloride: 15～25 parts, fluorocarbon resin: 8～15 parts, softening agent: 10～15 parts, sanitas: 6～10 parts, UV light absorber: 3～6 parts, zeolite powder: 8～12 parts, Mierocrystalline cellulose: 3～5 parts, silicone resin: 7 ~ 11 parts, resol: 6 ~ 12 parts, stablizer: 3 ~ 6 parts.
2. cable splice special isolation material as claimed in claim 1, it is characterized in that: cable splice special isolation material of the present invention, also can contain at least one in following weight per-cent composition: isocyanic ester: 6～8 parts, furfuryl resin: 4～10 parts, polyamide resin: 6～10 parts.
3. cable splice special isolation material as claimed in claim 1, is characterized in that: described solidifying agent adopts m-xylene diamine.
4. cable splice special isolation material as claimed in claim 1, is characterized in that: described softening agent adopts dibutyl phthalate.
5. cable splice special isolation material as claimed in claim 1, is characterized in that: described sanitas adopts dehydroacetic acid (DHA).
6. cable splice special isolation material as claimed in claim 1, is characterized in that: described Mierocrystalline cellulose adopts Vltra tears.
7. cable splice special isolation material as claimed in claim 1, is characterized in that: the granularity of described zeolite powder is 200～500 orders.
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| CN104387730A (en) * | 2014-11-26 | 2015-03-04 | 国网河南省电力公司南阳供电公司 | Insulating material for cable joint of power transmission line as well as sealing tool and sealing method of insulating material |
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| CN106751913A (en) * | 2016-12-29 | 2017-05-31 | 吴中区穹窿山德毅新材料技术研究所 | A kind of waterproof cold resistant rubber and preparation method thereof |
| CN109233207A (en) * | 2018-09-20 | 2019-01-18 | 贵州西南制造产业园有限公司 | A kind of insulating materials and preparation method thereof for cable connector |
| CN109294502A (en) * | 2018-09-30 | 2019-02-01 | 广西驰胜农业科技有限公司 | A kind of ultraviolet resistance aging insulating cement |
| CN111454682A (en) * | 2020-06-05 | 2020-07-28 | 南京海拓复合材料有限责任公司 | Epoxy pouring sealant for cable joint protection and preparation method thereof |
| CN111548583A (en) * | 2020-06-18 | 2020-08-18 | 安徽高胜电讯材料有限公司 | Optical cable sheath and preparation method thereof |
| CN115746747A (en) * | 2022-11-29 | 2023-03-07 | 河南瑞朗达新材料有限公司 | High-temperature-resistant sealant for spraying plastic on automobile welding seams and preparation method thereof |
| CN115746747B (en) * | 2022-11-29 | 2023-11-21 | 河南瑞朗达新材料有限公司 | High-temperature-resistant sealant for automobile weld joint plastic spraying and preparation method thereof |
| CN115820183A (en) * | 2022-12-23 | 2023-03-21 | 深圳市道尔科技有限公司 | Preparation method of high-temperature-resistant high-strength high-heat-conductivity adhesive |
| CN115820183B (en) * | 2022-12-23 | 2023-06-27 | 深圳市道尔科技有限公司 | Preparation method of high-temperature-resistant high-strength high-heat-conductivity adhesive |
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