CN110105716A - A kind of highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable - Google Patents
A kind of highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable Download PDFInfo
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- CN110105716A CN110105716A CN201910466231.4A CN201910466231A CN110105716A CN 110105716 A CN110105716 A CN 110105716A CN 201910466231 A CN201910466231 A CN 201910466231A CN 110105716 A CN110105716 A CN 110105716A
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- 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
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- 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
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- 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
- C08K3/2279—Oxides; Hydroxides of metals of antimony
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
- C08K5/18—Amines; Quaternary ammonium compounds with aromatically bound amino groups
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- 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
- H01B3/40—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 epoxy resins
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- 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
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Abstract
The invention discloses a kind of highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castables.The castable includes following component: 100-200 parts of cycloaliphatic epoxy resin, 50-200 parts of curing agent, 0.1-50 parts of promotor, 1-50 parts of fire retardant and 50-500 parts of filler, wherein, all numbers are by weight, the fire retardant is 2, at least one of 4,6- tribromanilines, antimony oxide.The present invention is matched by preferred fire retardant type and dosage of each component, and the insulator castable being prepared has good resistance to outdoor climate performance, heat resistance, insulation performance, mechanical performance and flame retardant property.
Description
Technical field
The present invention relates to outdoor high-voltage insulation field of material technology, and in particular to a kind of highly effective flame-retardant type alicyclic epoxy tree
Rouge outdoor insulator castable.
Background technique
Insulator is the insulator arrangement largely used in transmission and distribution network, although cost is relatively low, framework is simple, for whole
The safe operation of stablizing of a electric system plays indispensable role.Any one insulator breaks down, and has
It may cause the safety accident of entire electric system.
So far, widely applied insulator mainly has porcelain insulator, glass insulator and silicon rubber in electric system
Composite insulator.Porcelain glass insulator mechanical performance is excellent, and ageing-resistant ability is strong, but relevant electric property is poor, weight
It is very big.Silicon rubber compound insulator excellent electric properties, but bad mechanical property, anti-aging property are bad.Therefore, it is a kind of simultaneously
Good mechanical properties with porcelain glass insulator, but also with the superior electrical characteristic of silicon rubber compound insulator, light weight, knot
Stable desired insulation of structure just comes into being.
Prepared by cycloaliphatic epoxy resin material has both glass, porcelain insulator and silicon rubber compound insulator excellent performance
The sub- material of desired insulation.Cycloaliphatic epoxy resin is
Skeleton simultaneously can form useful heat cured high-molecular oligomers body (Oligomer) by epoxy reaction, when its degree of polymerization is zero
When, referred to as alicyclic epoxide compound.Though these low-molecular-weight resins not exclusively meet strict difinition, because having epoxy
The essential attribute of resin, so the cycloaliphatic epoxy resin that is referred to as of differentiation is also not added in address, structure such as formula (I) institute
Show:
Since the chemistry of cycloaliphatic epoxy resin is free of phenyl ring, there is good anti-uv-ray and weatherability
Energy.Product crosslink density after cycloaliphatic epoxy resin solidifies is high, has very high heat resistance.Since cycloaliphatic epoxy resin is solid
Change system is free of Na+、Cl-Ion, so having excellent arc resistance and anti creepage trace performance.Compared to porcelain glass insulator,
Cycloaliphatic epoxy resin insulator toughness is higher, light-weight, and thermal shock resistance is strong；Compared to silicon rubber compound insulator, alicyclic ring
The mechanical performance of race's epoxy resin insulator, anti-aging property and anti-creep track property are excellent, at low cost, are to prepare a new generation
The ideal material of insulator.But cycloaliphatic epoxy resin oxygen index (OI) (LOI) is lower, belongs to combustible material, to limit it
Application in high-voltage isulation field.
Summary of the invention
It is an object of the invention to provide a kind of highly effective flame-retardant type alicyclic epoxy in place of overcome the deficiencies in the prior art
Resin outdoor insulator castable, the castable have good heat resistance, insulation performance and flame retardant property.
To achieve the above object, the technical solution adopted by the present invention is as follows:
A kind of highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable, including following component:
Wherein, all numbers are by weight, the fire retardant be 2,4,6- tribromanilines, in antimony oxide at least
It is a kind of.
The present invention is compound using cycloaliphatic epoxy resin, curing agent, promotor, fire retardant and filler, preferably fire retardant kind
Class, optimization dosage of each component proportion, the insulator castable being prepared have good resistance to outdoor climate performance, and excellent is resistance to
Hot property, insulation performance and mechanical performance, flame retardant property are also significantly improved.
Preferably, the cycloaliphatic epoxy resin is cycloaliphatc glycidyl type epoxy resin.
Preferably, the curing agent be methyl tetrahydro phthalic anhydride, methyl hexahydrophthalic anhydride, tetrahydrophthalic anhydride, in hexahydrophthalic anhydride extremely
Few one kind.
Preferably, the promotor is amine type accelerator.
Preferably, the fire retardant be 2,4,6- tribromanilines and antimony oxide mixture, described 2,4,6- tribromos
The weight ratio of aniline and antimony oxide is 2.2:1.
The present invention cooperates with antimony oxide (Sb using 2,4,6- tribromanilines (TBA)2O3) as cycloaliphatic epoxy resin
Fire retardant, so that the anti-flammability of castable significantly improves.Described 2, the weight of 4,6- tribromanilines and antimony oxide
When amount is than being 2.2:1, compared with other compound proportions, the castable being prepared has both better anti-flammability and heat resistance
Most preferably.
Preferably, the filler is at least one of silicon powder, aluminium hydroxide, magnesium hydroxide.
Preferably, the highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable, including following component:
Wherein, all numbers are by weight.
Preferably, the highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable, including following component:
Wherein, all numbers are by weight.
Fire retardant of the present invention using 2,4,6- tribromanilines collaboration antimony oxide as cycloaliphatic epoxy resin, goes forward side by side
The proportion of the preferred each component of one step significantly improves the oxygen index (OI) (LOI) of castable, improves anti-flammability, has and preferably answers
Use effect.
Preferably, the highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable further includes mill base, the color
The number of slurry by weight is 0.1-5 parts.
The present invention also provides the preparation method of above-mentioned highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable,
The following steps are included:
(1) each component raw material is weighed in proportion；
(2) after mixing evenly by cycloaliphatic epoxy resin and curing agent, fire retardant, filler and mill base is added to stir evenly,
Promotor is added, continues to stir, it is outdoor absolutely to obtain the highly effective flame-retardant type cycloaliphatic epoxy resin.
Compared with prior art, the invention has the benefit that
The present invention is compound using cycloaliphatic epoxy resin, curing agent, promotor, fire retardant and filler, preferably fire retardant kind
Class, and optimization dosage of each component proportion, the insulator castable being prepared has good resistance to outdoor climate performance, excellent
Heat resistance, insulation performance and mechanical performance, flame retardant property is also significantly improved.
Specific embodiment
Purposes, technical schemes and advantages in order to better illustrate the present invention, below in conjunction with specific embodiment to the present invention
It further illustrates.It will be appreciated by those skilled in the art that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
In embodiment, used experimental method is conventional method unless otherwise specified, material used, reagent etc.,
It is commercially available unless otherwise specified.
Embodiment 1
A kind of highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable, including following component, all numbers are equal
By weight:
The preparation method of the castable of the present embodiment, comprising the following steps:
(1) each component raw material is weighed in proportion；
(2) after mixing evenly by cycloaliphatc glycidyl type epoxy resin and methyl tetrahydro phthalic anhydride, fire retardant, hydrogen-oxygen is added
Change aluminium and mill base stirs evenly, amine type accelerator is added, continues to stir, obtains the highly effective flame-retardant type cycloaliphatic epoxy resin family
External insulator castable.
Embodiment 2
A kind of highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable, including following component, all numbers are equal
By weight:
The preparation method of the castable of the present embodiment, comprising the following steps:
(1) each component raw material is weighed in proportion；
(2) after mixing evenly by cycloaliphatc glycidyl type epoxy resin and methyl tetrahydro phthalic anhydride, fire retardant, filler is added
It is stirred evenly with mill base, amine type accelerator is added, continues to stir, it is outdoor absolutely to obtain the highly effective flame-retardant type cycloaliphatic epoxy resin
Edge castable.
Embodiment 3
A kind of highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable, including following component, all numbers are equal
By weight:
The weight ratio of 2,4,6- tribromanilines and antimony oxide is 2.2:1.
The preparation method of the castable of the present embodiment, comprising the following steps:
(1) each component raw material is weighed in proportion；
(2) after mixing evenly by cycloaliphatc glycidyl type epoxy resin and methyl tetrahydro phthalic anhydride, fire retardant, hydrogen-oxygen is added
Change aluminium and mill base stirs evenly, amine type accelerator is added, continues to stir, obtains the highly effective flame-retardant type cycloaliphatic epoxy resin family
External insulator castable.
Embodiment 4
A kind of highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable, including following component, all numbers are equal
By weight:
The weight ratio of 2,4,6- tribromanilines and antimony oxide is 2.2:1.
The preparation method of the castable of the present embodiment, comprising the following steps:
(1) each component raw material is weighed in proportion；
(2) after mixing evenly by cycloaliphatc glycidyl type epoxy resin and methyl tetrahydro phthalic anhydride, fire retardant, hydrogen-oxygen is added
Change aluminium and mill base stirs evenly, amine type accelerator is added, continues to stir, obtains the highly effective flame-retardant type cycloaliphatic epoxy resin family
External insulator castable.
Embodiment 5
A kind of highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable, including following component, all numbers are equal
By weight:
The weight ratio of 2,4,6- tribromanilines and antimony oxide is 2.2:1.
The preparation method of the castable of the present embodiment, comprising the following steps:
(1) each component raw material is weighed in proportion；
(2) after mixing evenly by cycloaliphatc glycidyl type epoxy resin and methyl tetrahydro phthalic anhydride, fire retardant, hydrogen-oxygen is added
Change aluminium and mill base stirs evenly, amine type accelerator is added, continues to stir, obtains the highly effective flame-retardant type cycloaliphatic epoxy resin family
External insulator castable.
Embodiment 6
A kind of highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable, including following component, all numbers are equal
By weight:
The weight ratio of 2,4,6- tribromanilines and red phosphorus is 2.2:1.
The preparation method of the castable of the present embodiment, comprising the following steps:
(1) each component raw material is weighed in proportion；
(2) after mixing evenly by cycloaliphatc glycidyl type epoxy resin and methyl tetrahydro phthalic anhydride, fire retardant, hydrogen-oxygen is added
Change aluminium and mill base stirs evenly, amine type accelerator is added, continues to stir, obtains the highly effective flame-retardant type cycloaliphatic epoxy resin family
External insulator castable.
Embodiment 7
A kind of highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable, including following component, all numbers are equal
By weight:
The weight ratio of red phosphorus and antimony oxide is 2.2:1.
The preparation method of the castable of the present embodiment, comprising the following steps:
(1) each component raw material is weighed in proportion；
(2) after mixing evenly by cycloaliphatc glycidyl type epoxy resin and methyl tetrahydro phthalic anhydride, fire retardant, hydrogen-oxygen is added
Change aluminium and mill base stirs evenly, amine type accelerator is added, continues to stir, obtains the highly effective flame-retardant type cycloaliphatic epoxy resin family
External insulator castable.
Embodiment 8
The component and preparation method of the highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable of the present embodiment with
Embodiment 4 is almost the same, and difference is, the parts by weight of curing agent are 60 parts in the present embodiment.
Embodiment 9
The component and preparation method of the highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable of the present embodiment with
Embodiment 4 is almost the same, and difference is, the parts by weight of curing agent are 70 parts in the present embodiment.
Embodiment 10
The component and preparation method of the highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable of the present embodiment with
Embodiment 4 is almost the same, and difference is, the parts by weight of curing agent are 130 parts in the present embodiment.
Embodiment 11
The component and preparation method of the highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable of the present embodiment with
Embodiment 4 is almost the same, and difference is, the parts by weight of curing agent are 150 parts in the present embodiment.
Embodiment 12
The component and preparation method of the highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable of the present embodiment with
Embodiment 4 is almost the same, and difference is, the parts by weight of curing agent are 200 parts in the present embodiment.
Embodiment 13
The component and preparation method of the highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable of the present embodiment with
Embodiment 4 is almost the same, and difference is, the parts by weight of amine type accelerator are 0.1 part in the present embodiment.
Embodiment 14
The component and preparation method of the highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable of the present embodiment with
Embodiment 4 is almost the same, and difference is, the parts by weight of amine type accelerator are 10 parts in the present embodiment.
Embodiment 15
The component and preparation method of the highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable of the present embodiment with
Embodiment 4 is almost the same, and difference is, the parts by weight of amine type accelerator are 50 parts in the present embodiment.
Embodiment 16
The component and preparation method of the highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable of the present embodiment with
Embodiment 4 is almost the same, and difference is, the parts by weight of filler are 50 parts in the present embodiment.
Embodiment 17
The component and preparation method of the highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable of the present embodiment with
Embodiment 4 is almost the same, and difference is, the parts by weight of filler are 150 parts in the present embodiment.
Embodiment 18
The component and preparation method of the highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable of the present embodiment with
Embodiment 4 is almost the same, and difference is, the parts by weight of filler are 250 parts in the present embodiment.
Embodiment 19
The component and preparation method of the highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable of the present embodiment with
Embodiment 4 is almost the same, and difference is, the parts by weight of filler are 400 parts in the present embodiment.
Embodiment 20
The component and preparation method of the highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable of the present embodiment with
Embodiment 4 is almost the same, and difference is, the parts by weight of filler are 500 parts in the present embodiment.
Comparative example 1
A kind of highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable, including following component, all numbers are equal
By weight:
The preparation method of the castable of the present embodiment, comprising the following steps:
(1) each component raw material is weighed in proportion；
(2) after mixing evenly by cycloaliphatc glycidyl type epoxy resin and methyl tetrahydro phthalic anhydride, be added aluminium hydroxide and
Mill base stirs evenly, and amine type accelerator is added, continues to stir, obtains the highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulative
Sub- castable.
Performance detection is carried out according to castable of the relevant criterion to Examples 1 to 20 and comparative example 1, the results are shown in Table 1.
Table 1
By the result of embodiment 1-7 and comparative example 1 it is found that compared to other types fire retardant, the application use 2,4,
6- tribromaniline cooperates with fire retardant of the antimony oxide as cycloaliphatic epoxy resin, can effectively improve the anti-flammability of castable
Energy.By the result of embodiment 8-12 it is found that as curing agent content increases, the flame retardant property of castable declines, and breakdown voltage is in
Downward trend after first increasing, heat resistance decrease.By the result of embodiment 13-15 it is found that when promotor is 0.1-10 parts,
Have both higher oxygen index (OI), breakdown voltage and heat resistance.By embodiment 16-20 result it is found that the dosage of filler also will affect and pour
Anti-flammability, breakdown voltage and the heat resistance of material feeding, when its dosage is 250-400 parts, effect is preferable.
According to the usage requirement, the curing agent is selected from methyl tetrahydro phthalic anhydride, methyl hexahydrophthalic anhydride, tetrahydro benzene to the present invention
At least one of acid anhydride, hexahydrophthalic anhydride；The filler is selected from least one of silicon powder, aluminium hydroxide, magnesium hydroxide.
The weight ratio of 2,4,6- tribromanilines and antimony oxide can be adjusted accordingly, but the two weight ratio be 2.2:1 when,
The castable being prepared has both better anti-flammability and heat resistance is preferable.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than protects to the present invention
The limitation of range is protected, although the invention is described in detail with reference to the preferred embodiments, those skilled in the art should
Understand, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the essence of technical solution of the present invention
And range.
Claims (10)
1. a kind of highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable, which is characterized in that including following component:
Wherein, all numbers are by weight, and the fire retardant is 2,4,6- tribromanilines, at least one in antimony oxide
Kind.
2. highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable according to claim 1, which is characterized in that
The cycloaliphatic epoxy resin is cycloaliphatc glycidyl type epoxy resin.
3. highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable according to claim 1, which is characterized in that
The curing agent is at least one of methyl tetrahydro phthalic anhydride, methyl hexahydrophthalic anhydride, tetrahydrophthalic anhydride, hexahydrophthalic anhydride.
4. highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable according to claim 1, which is characterized in that
The promotor is amine type accelerator.
5. highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable according to claim 1, which is characterized in that
The fire retardant is the mixture of 2,4,6- tribromanilines and antimony oxide, described 2,4,6- tribromanilines and antimony oxide
Weight ratio be 2.2:1.
6. highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable according to claim 1, which is characterized in that
The filler is at least one of silicon powder, aluminium hydroxide, magnesium hydroxide.
7. highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable according to claim 1, which is characterized in that
Including following component:
Wherein, all numbers are by weight.
8. highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable according to claim 7, which is characterized in that
Including following component:
Wherein, all numbers are by weight.
9. described in any item highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castables according to claim 1~8,
It is characterized in that, further includes mill base, the number of the mill base by weight is 0.1-5 parts.
10. the system of any one highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable according to claim 1~9
Preparation Method, which comprises the following steps:
(1) each component raw material is weighed in proportion；
(2) after mixing evenly by cycloaliphatic epoxy resin and curing agent, fire retardant, filler and mill base is added to stir evenly, is added
Promotor continues to stir, and obtains the highly effective flame-retardant type cycloaliphatic epoxy resin outdoor insulator castable.
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Cited By (5)
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| CN112143172A (en) * | 2020-08-31 | 2020-12-29 | 南方电网科学研究院有限责任公司 | Insulator sheath material with low water absorption rate and preparation method thereof |
| CN112194879A (en) * | 2020-08-31 | 2021-01-08 | 南方电网科学研究院有限责任公司 | Flame-retardant alicyclic epoxy resin castable for outdoor insulators |
| CN112852102A (en) * | 2021-01-11 | 2021-05-28 | 江苏泰特尔新材料科技股份有限公司 | Preparation method of flexible epoxy composition for outdoor composite insulator |
| CN112898735A (en) * | 2021-03-29 | 2021-06-04 | 浙江紫电新材料有限公司 | Anti-brittle-cracking parachute alicyclic epoxy resin injection material for hard composite insulator and preparation method thereof |
| CN112980148A (en) * | 2021-03-29 | 2021-06-18 | 浙江紫电新材料有限公司 | Composite insulator low-temperature-resistant hard sheath alicyclic epoxy resin injection material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112143172A (en) * | 2020-08-31 | 2020-12-29 | 南方电网科学研究院有限责任公司 | Insulator sheath material with low water absorption rate and preparation method thereof |
| CN112194879A (en) * | 2020-08-31 | 2021-01-08 | 南方电网科学研究院有限责任公司 | Flame-retardant alicyclic epoxy resin castable for outdoor insulators |
| CN112852102A (en) * | 2021-01-11 | 2021-05-28 | 江苏泰特尔新材料科技股份有限公司 | Preparation method of flexible epoxy composition for outdoor composite insulator |
| CN112898735A (en) * | 2021-03-29 | 2021-06-04 | 浙江紫电新材料有限公司 | Anti-brittle-cracking parachute alicyclic epoxy resin injection material for hard composite insulator and preparation method thereof |
| CN112980148A (en) * | 2021-03-29 | 2021-06-18 | 浙江紫电新材料有限公司 | Composite insulator low-temperature-resistant hard sheath alicyclic epoxy resin injection material and preparation method thereof |
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