CN102925030B - Congelation-resistant cable insulating coating and preparation method thereof - Google Patents
Congelation-resistant cable insulating coating and preparation method thereof Download PDFInfo
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- CN102925030B CN102925030B CN201210497355.7A CN201210497355A CN102925030B CN 102925030 B CN102925030 B CN 102925030B CN 201210497355 A CN201210497355 A CN 201210497355A CN 102925030 B CN102925030 B CN 102925030B
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- aluminium nitride
- epoxy resin
- coupling agent
- freezing
- frozen
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Abstract
The invention provides a congelation-resistant cable insulating coating. The congelation-resistant cable insulating coating consists of modified epoxy resin, an aluminium nitride mixture, a coupling agent, a curing agent and a curing accelerator, wherein the epoxy resin is modified by a highly-fluorinated special organic silicon material (hydroxyl-terminated polymethyl 17-fluorine decyl siloxane), and the low-surface energy property of the fluorine element is utilized, so that the hydrophilic property of the epoxy material is changed, and the modified epoxy base material with high hydrophobicity is obtained; and the modification is performed by inorganic rigid grain aluminium nitride filler with multiple grain diameters, and the coupling agent is utilized, so that the binding property of the aluminium nitride grain-the coupling agent-the resin interface is stable, the toughening effect is good, and the heat conduction ability of the modified epoxy resin is greatly improved by the high heat conductivity of the aluminium nitride grains after filling.
Description
Technical field
The present invention relates to a kind of cable insulation coating, particularly cable insulation coating is frozen in a kind of anti-freezing, belongs to the technical field of cable material.
Background technology
Along with developing rapidly of China's economy, energy demand will constantly increase, and this power transmission and distribution industry to China has just had higher requirement.Power transmission, especially long distance is carried, and cable remains main transport model.Therefore the stability of cable system will directly have influence on transport capacity and transport efficiency.Feeder cable, owing to being exposed to for a long time among physical environment, therefore has very high requirement to its insulativity, weather-proof stability.Especially in the more severe area of natural condition, the weathering resistance problem of cable is particularly important.Wherein the most outstanding performance is that the safe operation of electric power and network of communication is directly subject to icing on transmitting line and the threat of accumulated snow situation.At Russia, Canada, the U.S., Japan, Britain, Finland, Iceland and China the north and Midwest severe cold areas, the infringement of circuit that powerline ice-covering causes and by the security incident of initiation, bring great inconvenience usually to local people's life and production, and cause huge financial loss.Icing often causes that transmitting line falls the Serious Accidents such as bar (tower), broken string and insulator arc-over, and the safe operation of power system is produced to serious harm.The external employing of existing anti-ice coating means is mechanical deicing's method or the anti-icing method of heating power more, and energy consumption is large, construction inconvenience, and especially for mountain area with a varied topography, it is very unfavorable to operate, and takes time and effort.Therefore develop a kind of have effectively prevent that the insulating material that frost sleet adheres to has boundless domestic and world market, Economic development to China, living standards of the people improve very important meaning.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of anti-freezing and freezes cable insulation coating, this insulating coating has the water of refusing, protection against corrosion, anti-freezing and freezes characteristic, can meet better cable power transmission and distribution requirement under special external environmental condition, in addition, the invention provides the preparation method of this coating, this preparation method is easy to operate.
In order to solve the problems of the technologies described above, cable insulation coating is frozen in a kind of anti-freezing of the present invention, is made up of following ingredients, calculates by massfraction:
Modified epoxy by 5～15% fluoridize silicone resin, 2～3% response type phosphorous flame-retardant material, 82～93% epoxy resin forms (calculating by mass percentage).
Aluminium nitride mixture is made up of nano level aluminium nitride and micron order aluminium nitride, micron order aluminium nitride: nano level aluminium nitride=1:10(mass ratio).
Cable insulation coating is frozen in above-mentioned anti-freezing, wherein, fluoridizes silicone resin repeating structure and is: [R
f(CH
2)
2] CH
3siO
2, R
ffor linear perfluorination alkyl, be 4-10 containing carbon number; Silicone resin is with hydroxy-end capped tail base end-blocking, and dynamic viscosity is 3000 mPa*s.
Cable insulation coating is frozen in above-mentioned anti-freezing, and wherein, response type phosphorous flame-retardant material comprises: 9,10-dihydro-9-oxy is mixed-10-phosphine phenanthrene-10-oxa-(DOPO) and derivative, 2-carboxyethyl phenyl Hypophosporous Acid, 50 (CEPPA) and derivative thereof.
Cable insulation coating is frozen in above-mentioned anti-freezing, and wherein, coupling agent can be titanate coupling agent NDZ-102.
Cable insulation coating is frozen in above-mentioned anti-freezing, and wherein, solidifying agent can be KH-550, quadrol.
Cable insulation coating is frozen in above-mentioned anti-freezing, and wherein, solidifying agent promotor is DMP-30.
The preparation method of cable insulation coating is frozen in above-mentioned anti-freezing, comprises the steps:
A, prepare modified epoxy,
A1,2～3% response type phosphorous flame-retardant material is mixed with 82～93% epoxy resin, add Ph
3p is as catalyzer, Ph
3p be response type phosphorous flame-retardant material mix with epoxy resin 1%; Stirring reaction 6h at 160 DEG C, obtains the brown epoxy resin containing organophosphorous fire retardant.
A2, will be dissolved in the solvent that dimethylbenzene mixes with butylacetate with 5～15% the silicone resin of fluoridizing containing the epoxy resin of organophosphorous fire retardant; Solvent be 1:1 (mass ratio) containing the epoxy resin of organophosphorous fire retardant with the ratio of fluoridizing silicone resin, add dibutyl tin laurate catalysis, stirring reaction 4h at 100 DEG C, obtains height and fluoridizes the modified epoxy of organosilicon/organophosphorus; Dibutyl tin laurate be fluoridize silicone resin and containing the epoxy resin total amount of organophosphorous fire retardant 0.5%;
B, add aluminium nitride mixture, coupling agent fully to mix under high speed blender.
When C, use, then add solidifying agent, curing catalyst, stir.
Beneficial effect of the present invention: the present invention adopts the high extraordinary organosilicon material of fluoridizing (hydroxy-end capped poly-methyl 17 fluorine decyl siloxanes) to carry out modification to epoxy, utilize the low surface energy characteristic of fluorine element, change the water-wet behavior of epoxy material, acquisition has high hydrophobicity remodeling epoxy base material, fluoridize organosilicon/DP modified epoxy as main raw taking height again, adopt many particle diameters inorganic rigid particle aluminium nitride filler modified, utilize coupling agent, make aluminum nitride particle-coupling agent-resin boundary surface cohesiveness stable, obtain good toughening effect, after filling, make the capacity of heat transmission of modified epoxy obtain improving significantly by means of the high thermal conductivity of aluminum nitride particle itself, in addition, the composite filler of multiple dimensioned aluminum nitride particle can make material obtain suitable coarse structure, be combined with the low surface energy characteristic of modified epoxy itself, water droplet can not be sprawled on material, easily tumble, make material possess very high hydrophobic performance, effectively stop frost sleet adhering on material, thereby, improve the water of refusing of the present invention, protection against corrosion, the performance that anti-freezing is frozen, in the present invention, select again response type phosphorous flame-retardant material, by itself and the reacting of epoxy resin, phosphorous reactive monomer is introduced on resin chain, make phosphorus content in 2.83% left and right, can reach the fire retardancy of vertical combustion V-0 rank, the introducing of fire-retardant phosphorus monomer has solved physics and has added the problem that fire retardant brings, and makes, in the substantially constant situation of other performances of material, to have possessed high flame retardant effect.
Brief description of the drawings
Fig. 1 is process flow sheet of the present invention.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.
KH-550 is that its chemical name of silane coupling agent is γ-aminopropyl triethoxysilane, chemical structure: H
2n (CH
2)
3si (OC
2h
5)
3.
DMP-30 chemical name is three-(dimethylamino methyl) phenol molecular formula: C
15h
27n
3o.
NDZ-102 chemical name: sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester.
Ph
3p is triphenylphosphine.
Nano level aluminium nitride particle diameter is 10～500nm; Micron order aluminium nitride particle diameter is 5～50 μ m.Epoxy resin can be E44, E51.
Fluoridizing silicone resin repeating structure is: [R
f(CH
2)
2] CH
3siO
2, R
ffor linear perfluorination alkyl, be 4-10 containing carbon number; Silicone resin is with hydroxy-end capped tail base end-blocking, and dynamic viscosity is 3000 mPa*s.
Embodiment 1
Cable insulation coating is frozen in a kind of anti-freezing, gets and fluoridizes silicone resin 5%, 9, and 10-dihydro-9-oxy is assorted-10-phosphine phenanthrene-10-oxa-(DOPO) 2%, epoxy resin 93%, Ph
3p 1%, solvent, the dibutyl tin laurate 0.5% suitable with resin quality, (calculating by mass percentage); First assorted 9,10-dihydro-9-oxy-10-phosphine phenanthrene-10-oxa-(DOPO) is mixed with epoxy resin, add Ph
3p is as catalyzer, stirring reaction 6h at 160 DEG C, obtain the brown epoxy resin containing organophosphorous fire retardant, by containing the epoxy resin of organophosphorous fire retardant with fluoridize silicone resin and be dissolved in the solvent that dimethylbenzene and butylacetate mix, solvent is 1:1 (mass ratio) with the epoxy resin containing organophosphorous fire retardant with the ratio of fluoridizing silicone resin, add dibutyl tin laurate catalysis, stirring reaction 4h at 100 DEG C, obtains height and fluoridizes the modified epoxy of organosilicon/organophosphorus; Get again modified epoxy (calculating by massfraction), get 100 parts of modified epoxies; 30 parts, aluminium nitride mixture; Coupling agent is if 0.4 part of titanate coupling agent NDZ-102, solidifying agent are if 0.4 part of KH-550, curing catalyst are as 0.05 part of DMP-30, first aluminium nitride mixture, coupling agent and modified epoxy are fully mixed under high speed blender, before use, add again solidifying agent, curing catalyst, stir, spraying.
Solvent is made up of dimethylbenzene and butylacetate, and ratio is between the two 1:1(mass ratio).
Aluminium nitride mixture is made up of nano level aluminium nitride and micron order aluminium nitride, micron order aluminium nitride: nano level aluminium nitride=1:10(mass ratio).
Performance index: 145 ° of contact angles, ice is difficult for adhering to, and fire retardancy reaches ULV94-0, excellent anti-corrosion performance, temperature resistant range-60～250 DEG C.
Embodiment 2
Cable insulation coating is frozen in a kind of anti-freezing, gets and fluoridizes silicone resin 8%, 2-carboxyethyl phenyl Hypophosporous Acid, 50 (CEPPA) 2%, epoxy resin 90%, Ph
3p 1%, solvent, the dibutyl tin laurate 0.5% suitable with resin quality, (calculating by mass percentage); First 2-carboxyethyl phenyl Hypophosporous Acid, 50 (CEPPA) is mixed with epoxy resin, add Ph
3p is as catalyzer, stirring reaction 6h at 160 DEG C, obtain the brown epoxy resin containing organophosphorous fire retardant, by containing the epoxy resin of organophosphorous fire retardant with fluoridize silicone resin and be dissolved in the solvent that dimethylbenzene and butylacetate mix, add dibutyl tin laurate catalysis, stirring reaction 4h at 100 DEG C, obtains height and fluoridizes the modified epoxy of organosilicon/organophosphorus; Get again modified epoxy (calculating by massfraction), get 100 parts of modified epoxies; 50 parts, aluminium nitride mixture; Coupling agent is if 0.6 part of titanate coupling agent NDZ-102, solidifying agent are if 0.6 part of KH-550, curing catalyst are as 0.1 part of DMP-30, first aluminium nitride mixture, coupling agent and modified epoxy are fully mixed under high speed blender, before use, add again solidifying agent, curing catalyst, stir, spraying.
Solvent is made up of dimethylbenzene and butylacetate, and ratio is between the two 1:1.
Aluminium nitride mixture is made up of nano level aluminium nitride and micron order aluminium nitride, micron order aluminium nitride: nano level aluminium nitride=1:10(mass ratio).
Performance index: 150 ° of contact angles, ice is difficult for adhering to, and fire retardancy reaches ULV94-0, excellent anti-corrosion performance, temperature resistant range-60～250 DEG C.
Embodiment 3
Cable insulation coating is frozen in a kind of anti-freezing, gets and fluoridizes silicone resin 8%, 9, and 10-dihydro-9-oxy is assorted-10-phosphine phenanthrene-10-oxa-(DOPO) 3%, epoxy resin 89%, Ph
3p 1%, solvent, the dibutyl tin laurate 0.5% suitable with resin quality, (calculating by mass percentage); First assorted 9,10-dihydro-9-oxy-10-phosphine phenanthrene-10-oxa-(DOPO) is mixed with epoxy resin, add Ph
3p is as catalyzer, stirring reaction 6h at 160 DEG C, obtain the brown epoxy resin containing organophosphorous fire retardant, by containing the epoxy resin of organophosphorous fire retardant with fluoridize silicone resin and be dissolved in the solvent that dimethylbenzene and butylacetate mix, add dibutyl tin laurate catalysis, stirring reaction 4h at 100 DEG C, obtains height and fluoridizes the modified epoxy of organosilicon/organophosphorus; Get again modified epoxy (calculating by massfraction), get 100 parts of modified epoxies; 30 parts, aluminium nitride mixture; Coupling agent is if 0.4 part of titanate coupling agent NDZ-102, solidifying agent are if KH-5500.4 part, curing catalyst are as 0.05 part of DMP-30, first aluminium nitride mixture, coupling agent and modified epoxy are fully mixed under high speed blender, before use, add again solidifying agent, curing catalyst, stir, spraying.
Solvent is made up of dimethylbenzene and butylacetate, and ratio is between the two 1:1.
Aluminium nitride mixture is made up of nano level aluminium nitride and micron order aluminium nitride, micron order aluminium nitride: nano level aluminium nitride=1:10(mass ratio).
Performance index: 150 ° of contact angles, ice is difficult for adhering to, and fire retardancy reaches ULV94-0, excellent anti-corrosion performance, temperature resistant range-60～250 DEG C.
Embodiment 4
Cable insulation coating is frozen in a kind of anti-freezing, gets and fluoridizes silicone resin 15%, 2-carboxyethyl phenyl Hypophosporous Acid, 50 (CEPPA) 3%, epoxy resin 82%, Ph
3p 1%, solvent, the dibutyl tin laurate 0.5% suitable with resin quality, (calculating by mass percentage); First 2-carboxyethyl phenyl Hypophosporous Acid, 50 (CEPPA) is mixed with epoxy resin, add Ph
3p is as catalyzer, stirring reaction 6h at 160 DEG C, obtain the brown epoxy resin containing organophosphorous fire retardant, by containing the epoxy resin of organophosphorous fire retardant with fluoridize silicone resin and be dissolved in the solvent that dimethylbenzene and butylacetate mix, add dibutyl tin laurate catalysis, stirring reaction 4h at 100 DEG C, obtains height and fluoridizes the modified epoxy of organosilicon/organophosphorus; Get again modified epoxy (calculating by massfraction), get 100 parts of modified epoxies; 50 parts, aluminium nitride mixture; Coupling agent is if 0.6 part of titanate coupling agent NDZ-102, solidifying agent are if 0.6 part of KH-550, curing catalyst are as DMP-300.1 part, first aluminium nitride mixture, coupling agent and modified epoxy are fully mixed under high speed blender, before use, add again solidifying agent, curing catalyst, stir, spraying.
Solvent is made up of dimethylbenzene and butylacetate, and ratio is between the two 1:1.
Aluminium nitride mixture is made up of nano level aluminium nitride and micron order aluminium nitride, micron order aluminium nitride: nano level aluminium nitride=1:10(mass ratio).
Performance index: 152 ° of contact angles, ice is difficult for adhering to, and fire retardancy reaches ULV94-0, excellent anti-corrosion performance, temperature resistant range-60～250 DEG C.
In sum, the present invention, due to the super hydrophobic surface that has special surface tissue and extremely low energy characteristic and utilize this technology to obtain, therefore, still has good hydrophobic performance at low temperatures.
Claims (6)
1. a cable insulation coating is frozen in anti-freezing, it is characterized in that, is made up of following ingredients, calculates by massfraction:
100 parts of modified epoxies;
Aluminium nitride mixture 30-50 part;
Coupling agent 0.4-0.6 part
Solidifying agent 0.4-0.6 part
Curing catalyst 0.05-0.1 part
Modified epoxy is made up of 5～15% fluoridize silicone resin, 2～3% response type phosphorous flame-retardant material, 82～93% epoxy resin, calculates by mass percentage;
Aluminium nitride mixture is made up of nano level aluminium nitride and micron order aluminium nitride, micron order aluminium nitride: nano level aluminium nitride=1:10, mass ratio; Fluoridizing silicone resin repeating structure is: [R
f(CH
2)
2] CH
3siO
2, R
ffor linear perfluorination alkyl, be 4-10 containing carbon number; Silicone resin is with hydroxy-end capped tail base end-blocking, and dynamic viscosity is 3000 mPa*s.
2. cable insulation coating is frozen in anti-freezing as claimed in claim 1, it is characterized in that, response type phosphorous flame-retardant material comprises: 9,10-dihydro-9-oxy is mixed-10-phosphine phenanthrene-10-oxa-DOPO and derivative, 2-carboxyethyl phenyl Hypophosporous Acid, 50 CEPPA and derivative thereof.
3. cable insulation coating is frozen in anti-freezing as claimed in claim 1, it is characterized in that, coupling agent is titanate coupling agent NDZ-102.
4. cable insulation coating is frozen in anti-freezing as claimed in claim 1, it is characterized in that, solidifying agent is KH-550, quadrol.
5.
cable insulation coating is frozen in anti-freezing as claimed in claim 1, it is characterized in that, solidifying agent promotor is DMP-30.
6. the preparation method of cable insulation coating is frozen in anti-freezing as claimed in claim 1, it is characterized in that, comprises the steps:
A, prepare modified epoxy
A1,2～3% response type phosphorous flame-retardant material is mixed with 82～93% epoxy resin, add Ph
3p is as catalyzer, Ph
3p be response type phosphorous flame-retardant material mix with epoxy resin 1%; Stirring reaction 6h at 160 DEG C, obtains the brown epoxy resin containing organophosphorous fire retardant;
A2, will be dissolved in the solvent that dimethylbenzene mixes with butylacetate with 5～15% the silicone resin of fluoridizing containing the epoxy resin of organophosphorous fire retardant; Solvent is 1:1 with the epoxy resin containing organophosphorous fire retardant with the ratio of fluoridizing silicone resin, mass ratio; Add dibutyl tin laurate catalysis, stirring reaction 4h at 100 DEG C, obtains height and fluoridizes the modified epoxy of organosilicon/organophosphorus; Dibutyl tin laurate be fluoridize silicone resin and containing the epoxy resin total amount of organophosphorous fire retardant 0.5%;
B, add aluminium nitride mixture, coupling agent fully to mix under high speed blender;
When C, use, then add solidifying agent, curing catalyst, stir.
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| CN201210497355.7A CN102925030B (en) | 2012-11-29 | 2012-11-29 | Congelation-resistant cable insulating coating and preparation method thereof |
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|---|---|---|---|
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| CN102925030B true CN102925030B (en) | 2014-08-06 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104177780B (en) * | 2014-08-20 | 2016-08-31 | 国家电网公司 | A kind of outdoor type electric insulation modified epoxy resin composition |
| CN104262901A (en) * | 2014-08-28 | 2015-01-07 | 广东狮能电气股份有限公司 | Epoxy resin material with nano aluminum nitride filler and manufacturing method thereof |
| CN104497482B (en) * | 2014-12-12 | 2017-01-04 | 惠州学院 | A kind of aluminium nitride fills the preparation method of heat-conduction epoxy resin |
| CN104693686B (en) * | 2015-03-19 | 2017-03-08 | 西安交通大学 | A kind of GIS preparation method of micro nano structure epoxy composite insulant |
| CN105524427A (en) * | 2016-01-28 | 2016-04-27 | 广西大学 | Cable sheath with high corrosion resistance and weather resistance |
| CN107254236A (en) * | 2017-06-29 | 2017-10-17 | 合肥达户电线电缆科技有限公司 | Cable insulation coating and its production technology are frozen in a kind of anti-freezing |
| CN109181511B (en) * | 2018-07-19 | 2021-02-26 | 浙江博菲电气股份有限公司 | High-thermal-conductivity insulating water-based paint |
| CN110853811B (en) * | 2019-11-11 | 2021-04-27 | 国网山东省电力公司兰陵县供电公司 | Anti-freezing insulated cable and preparation method thereof |
| CN115124694B (en) * | 2021-03-24 | 2023-09-19 | 中国科学院海洋研究所 | Hydroxyl organic silicon modified epoxy resin and magnesium-rich primer prepared from same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146249A (en) * | 2011-01-14 | 2011-08-10 | 甘肃省电力公司天水超高压输变电公司 | High-voltage power transmission line ice-covering-proof paint and preparation method thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146249A (en) * | 2011-01-14 | 2011-08-10 | 甘肃省电力公司天水超高压输变电公司 | High-voltage power transmission line ice-covering-proof paint and preparation method thereof |
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