CN110483863A - A kind of anti creepage trace neoprene packing material and preparation method thereof - Google Patents
A kind of anti creepage trace neoprene packing material and preparation method thereof Download PDFInfo
- Publication number
- CN110483863A CN110483863A CN201910707764.7A CN201910707764A CN110483863A CN 110483863 A CN110483863 A CN 110483863A CN 201910707764 A CN201910707764 A CN 201910707764A CN 110483863 A CN110483863 A CN 110483863A
- Authority
- CN
- China
- Prior art keywords
- neoprene
- parts
- packing material
- creepage trace
- anti creepage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
-
- 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
- C08K3/04—Carbon
-
- 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
-
- 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
-
- 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
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
- C08K5/34928—Salts
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
-
- 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
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
-
- 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
-
- 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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- 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
-
- 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
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2003/1034—Materials or components characterised by specific properties
- C09K2003/1078—Fire-resistant, heat-resistant materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of anti creepage trace neoprene packing materials and preparation method thereof, by addition antimony oxide, melamine cyanurate, nano-aluminium oxide these three with rubber matrix have good interface cohesion effect material, it acts synergistically with neoprene, effectively enhances the thermal stability, electrical erosion resistance and anti creepage trace performance of neoprene matrix.
Description
Technical field:
The present invention relates to a kind of anti creepage trace neoprene packing materials and preparation method thereof.
Background technique:
Converter valve cooling system is the important composition component of converter valve, and safe operation affects the fortune of DC transmission engineering
The row service life.And converter valve is irreplaceable and extremely important with status of the sealing element in converter valve, because sealing element is once
Failure, converter valve are possible to that leakage accident occurs.This is because converter valve can generate heat in use, with the change of current
On the one hand the longtime running of valve cannot pass in time in the heat of seal washer accumulation, seal washer can be made locally to occur
Heat ageing leads to seal failure；On the other hand, the scale in valve also can be accumulated gradually increase with the extension of use time, when
When having weak current to pass through, electrochemical reaction can occur at sealing element, cause sealing element by heavy corrosion, final seal failure is changed
Flow valve leak.Therefore, guarantee sealing under the premise of, how thermal conductivity, heat resistance and the anti creepage trace of lift-off seal material
Performance, for guaranteeing the sealing of converter valve cooling system, it appears particularly important.
The prior art makes electrode sealing ring using the chloroprene rubber material of no heat transfer, non-antiflaming system, with the change of current
The longtime running of valve, heat ageing and electrochemical corrosion at sealing ring increase, and creepage trace are formed on sealing ring surface, thus right
Sealing ring generates ablation, causes seal failure, influences the safe operation of entire converter valve.
Summary of the invention:
The object of the present invention is to provide a kind of anti creepage trace neoprene packing materials and preparation method thereof, pass through addition
Antimony oxide, melamine cyanurate, nano-aluminium oxide these three with rubber matrix have good interface cohesion
The material of effect acts synergistically with neoprene, effectively enhances the thermal stability of neoprene matrix, electrical erosion resistance and resistance to
Creepage trace performance.
The present invention is achieved by the following technical programs:
A kind of anti creepage trace neoprene packing material, raw material include: 100 parts of neoprene, carbon black by weight
40-70 parts, 5-10 parts of antimony oxide, 10-15 parts of melamine cyanurate, 10-40 parts of nano-aluminium oxide, hydroxide
40-80 parts of aluminium, 35-70 parts of magnesium hydroxide, 3-7 parts of zinc oxide, ETU-751-3 parts of promotor.
Preferably, the neoprene Mooney viscosity (ML1+10,121 DEG C) is 40-55.
The carbon black is Cabot N550 carbon black, and N2 adsorption specific surface area is 34*10-5-46*10-5m2/kg。
The antimony oxide, 97% or more whiteness, average grain diameter 0.4-0.6um, 99.5% or more purity.
The melamine cyanurate, 95% or more whiteness, 99.5% or more purity.
The nano-aluminium oxide crystal form is α phase, partial size 20-40nm, 99.99% or more content.
The aluminium hydroxide, be through silane coupling agent, titanate coupling agent, aluminate coupling agent, phosphate coupling agent or
The modified active aluminium hydroxide in person's boric acid ester coupler surface, mesh number are 800-8000 mesh, 99.6% or more purity.
The magnesium hydroxide, be through silane coupling agent, titanate coupling agent, aluminate coupling agent, phosphate coupling agent or
The modified active magnesium hydroxide in person's boric acid ester coupler surface, mesh number are 800-8000 mesh, 99.5% or more purity.
The zinc oxide, crystal form are α phase, average grain diameter 20-30nm, specific surface area 45m2/ g or more, content 99.99%
More than.
The present invention also provides the preparation methods of above-mentioned anti creepage trace neoprene packing material, it is characterised in that: including
Following steps:
1) neoprene, carbon black, antimony oxide, melamine cyanurate, nanometer three is weighed by above-mentioned formula to aoxidize
Two aluminium, aluminium hydroxide, magnesium hydroxide, zinc oxide, promotor ETU-75, it is spare；
2) by carbon black, antimony oxide, melamine cyanurate, nano-aluminium oxide, aluminium hydroxide, hydroxide
Magnesium, zinc oxide pour into mixer, are not pressurized and are kneaded 5-10min, and 25-40 DEG C of melting temperature；
3) neoprene is put into mixer, pressurization is kneaded 15-20min, 30-100 DEG C of melting temperature, is kneaded end
Back glue is cooled to room temperature；
4) sizing material is put into open mill, load weighted promotor ETU-75 is added in sizing material after packet roller and is mixed,
Bao Tong, slice obtains anti creepage trace neoprene packing material after standing 16 hours after beating triangle bag 4-6.
The present invention also protects the application of the anti creepage trace neoprene packing material, is used for change of current valve seal.
Under the action of heat concentration and electrochemical corrosion, antimony oxide can carry out reacting formation with substances such as stearic acid
Free antimony ion, antimony ion can react production metal halide with halogen, are capable of the appearance of change carbon, have carbon-coating
There is better insulating properties, to improve anti-flammability；In addition, a large amount of heat can be absorbed during fire-retardant, be conducive to drop
Low material surface temperature.On the one hand nano-aluminium oxide conducts heat by the movement in rubber body, improves neoprene
The thermal stability of rubber；Enhance the electrical erosion resistance energy of basis material simultaneously；On the other hand, it can discharge in pneumatic ash handling
Cheng Zhong forms similar ceramic honeycomb layer in neoprene surface, and cladding matrix surface inhibits to destroy further occurrence.High fire-retardance
Property auxiliary agent melamine cyanurate can significantly improve the anti creepage trace performance of neoprene, this is because melamine cyanurea
Hydrochlorate is polar micromolecules compound, preferable with neoprene compatibility, can be dispersed in rubber matrix；When there is electric current
By when, can effectively quench electric arc, capture electronics, reduce rubber surface discharge time, to effectively enhance neoprene
The anti creepage trace performance of matrix.Three of the above material and neoprene act synergistically, and effectively enhance neoprene matrix
Thermal stability, electrical erosion resistance and anti creepage trace performance.
Beneficial effects of the present invention are as follows: acting synergistically between instant component, effectively enhance the heat of neoprene matrix
Stability, electrical erosion resistance and anti creepage trace performance.
Specific embodiment:
It is to further explanation of the invention, rather than limiting the invention below.
Embodiment 1:
A kind of anti creepage trace neoprene packing material, raw material include: 100 parts of neoprene, carbon black by weight
40 parts, 5 parts of antimony oxide, 10 parts of melamine cyanurate, 30 parts of nano-aluminium oxide, 80 parts of aluminium hydroxide, hydrogen-oxygen
Change 35 parts of magnesium, 5 parts, ETU-752 parts of activated zinc oxide.
Above-mentioned neoprene Mooney viscosity (ML1+10,121 DEG C) is 40；Above-mentioned carbon black is Cabot N550, specific surface area
For 34*10-5m2/kg；Above-mentioned antimony oxide, average grain diameter 0.4um, 99.5% or more purity；Above-mentioned melamine cyanurate
Salt, 95% or more whiteness, 99.5% or more purity；Above-mentioned nano-aluminium oxide crystal form is α phase, average grain diameter 30nm, content
99.99% or more；Above-mentioned aluminium hydroxide is the active aluminium hydroxide modified through Silane coupling agent KH550 surface, mesh number 800
Mesh, 99.6% or more purity；Above-mentioned magnesium hydroxide is the active magnesium hydroxide modified through Silane coupling agent KH550 surface, mesh number
For 8000 mesh, 99.5% or more purity；Above-mentioned activated zinc oxide, crystal form are α phase, average grain diameter 20nm, specific surface area 50m2/
G, 99.99% or more content.
The preparation method of above-mentioned anti creepage trace neoprene packing material, comprising the following steps:
(1) neoprene, carbon black, antimony oxide, melamine cyanurate, nanometer three is weighed by above-mentioned formula to aoxidize
Two aluminium, aluminium hydroxide, magnesium hydroxide, activated zinc oxide, ETU-75 are spare；
(2) by carbon black, antimony oxide, melamine cyanurate, nano-aluminium oxide, aluminium hydroxide, hydroxide
Magnesium, activated zinc oxide pour into mixer, are not pressurized and are kneaded 5min, and 40 DEG C of melting temperature；
(3) neoprene is put into mixer, pressurizes and is kneaded 15min, 100 DEG C of melting temperature；It is kneaded the heel row of end
Glue is cooled to room temperature；
(4) sizing material is put into open mill, load weighted ETU-75 is added in sizing material after packet roller and is mixed, Bao Tong,
Slice after beating triangle bag 6 obtains anti creepage trace neoprene packing material after standing 10 hours.
Comparative example 1:
A kind of anti creepage trace neoprene packing material, reference implementation example 1, the difference is that, raw material does not wrap
Include melamine cyanurate.Its raw material includes: 100 parts of neoprene, 40 parts of carbon black, 5 parts of antimony oxide, receives by weight
Rice 30 parts of aluminum oxide, 80 parts of aluminium hydroxide, 35 parts of magnesium hydroxide, 5 parts, ETU-752 parts of activated zinc oxide.
The preparation method reference implementation example 1 of above-mentioned anti creepage trace neoprene packing material.
Comparative example 2:
A kind of anti creepage trace neoprene packing material, reference implementation example 1, the difference is that, raw material does not wrap
Nano-aluminium oxide is included, raw material includes: 100 parts of neoprene, 40 parts of carbon black, 5 parts of antimony oxide, trimerization by weight
10 parts of cyanamide cyanurate, 80 parts of aluminium hydroxide, 35 parts of magnesium hydroxide, 5 parts, ETU-752 parts of activated zinc oxide.
The preparation method reference implementation example 1 of above-mentioned anti creepage trace neoprene packing material.
Comparative example 3:
A kind of anti creepage trace neoprene packing material, reference implementation example 1, the difference is that, raw material does not wrap
Include antimony oxide.Its raw material include: by weight 100 parts of neoprene, 40 parts of carbon black, 10 parts of melamine cyanurate,
30 parts of nano-aluminium oxide, 80 parts of aluminium hydroxide, 35 parts of magnesium hydroxide, 5 parts, ETU-752 parts of activated zinc oxide.
The preparation method reference implementation example 1 of above-mentioned anti creepage trace neoprene packing material.
Embodiment 2
A kind of anti creepage trace neoprene packing material, raw material include: 100 parts of neoprene, carbon black by weight
60 parts, 10 parts of antimony oxide, 15 parts of melamine cyanurate, 10 parts of nano-aluminium oxide, 40 parts of aluminium hydroxide, hydrogen-oxygen
Change 70 parts of magnesium, 7 parts, ETU-751 parts of activated zinc oxide.
Above-mentioned neoprene Mooney viscosity (ML1+10,121 DEG C) is 45；Above-mentioned carbon black is Cabot N550, specific surface area
For 46*10-5m2/kg；Above-mentioned antimony oxide, average grain diameter 0.5um, 99.5% or more purity；Above-mentioned melamine cyanurate
Salt, 95% or more whiteness, 99.5% or more purity；Above-mentioned nano-aluminium oxide crystal form is α phase, average grain diameter 40nm, content
99.99% or more；Above-mentioned aluminium hydroxide is the active aluminium hydroxide modified through Silane coupling agent KH550 surface, mesh number 8000
Mesh, 99.6% or more purity；Above-mentioned magnesium hydroxide is the active magnesium hydroxide modified through Silane coupling agent KH550 surface, mesh number
For 800 mesh, 99.5% or more purity；Above-mentioned activated zinc oxide, crystal form are α phase, and average grain diameter 20-30nm, specific surface area is
60m2/ g, 99.99% or more content.
The preparation method of above-mentioned anti creepage trace neoprene packing material, comprising the following steps:
(1) neoprene, carbon black, antimony oxide, melamine cyanurate, nanometer three is weighed by above-mentioned formula to aoxidize
Two aluminium, aluminium hydroxide, magnesium hydroxide, activated zinc oxide, ETU-75 are spare；
(2) by carbon black, antimony oxide, melamine cyanurate, nano-aluminium oxide, aluminium hydroxide, hydroxide
Magnesium, activated zinc oxide pour into mixer, are not pressurized and are kneaded 10min, and 25 DEG C of melting temperature；
(3) neoprene is put into mixer, pressurizes and is kneaded 20min, 30 DEG C of melting temperature；It is kneaded the heel row of end
Glue is cooled to room temperature；
(4) sizing material is put into open mill, load weighted ETU-75 is added in sizing material after packet roller and is mixed, Bao Tong,
Slice after beating triangle bag 6 obtains anti creepage trace neoprene packing material after standing 10 hours.
Embodiment 3
A kind of anti creepage trace neoprene packing material, raw material include: 100 parts of neoprene, carbon black by weight
70 parts, 12 parts of melamine cyanurate, 40 parts of nano-aluminium oxide, 10 parts of antimony oxide, 60 parts of aluminium hydroxide, hydrogen-oxygen
Change 60 parts of magnesium, 3 parts, ETU-753 parts of activated zinc oxide.
Above-mentioned neoprene Mooney viscosity (ML1+10,121 DEG C) is 50；Above-mentioned carbon black is Cabot N550, specific surface area
For 40*10-5m2/kg；Above-mentioned melamine cyanurate, 95% or more whiteness, 99.5% or more purity；Above-mentioned three oxidation two
Antimony, average grain diameter 0.5um, 99.5% or more purity；Above-mentioned melamine cyanurate, 95% or more whiteness, purity 99.5%
More than；Above-mentioned nano-aluminium oxide crystal form is α phase, average grain diameter 30nm, 99.99% or more content；Above-mentioned aluminium hydroxide is
Through the modified active aluminium hydroxide in Silane coupling agent KH550 surface, mesh number is 4000 mesh, 99.6% or more purity；Above-mentioned hydrogen-oxygen
Change magnesium, be the active magnesium hydroxide modified through Silane coupling agent KH550 surface, mesh number is 4000 mesh, 99.5% or more purity；On
Activated zinc oxide is stated, crystal form is α phase, average grain diameter 30nm, specific surface area 45m2/ g, 99.99% or more content.
The preparation method of above-mentioned anti creepage trace neoprene packing material, comprising the following steps:
(1) neoprene, carbon black, melamine cyanurate, antimony oxide, nanometer three is weighed by above-mentioned formula to aoxidize
Two aluminium, aluminium hydroxide, magnesium hydroxide, activated zinc oxide, ETU-75 are spare；
(2) by carbon black, antimony oxide, melamine cyanurate, nano-aluminium oxide, aluminium hydroxide, hydroxide
Magnesium, activated zinc oxide pour into mixer, are not pressurized and are kneaded 8min, and 35 DEG C of melting temperature；
(3) neoprene is put into mixer, pressurizes and is kneaded 18min, 80 DEG C of melting temperature；It is kneaded the heel row of end
Glue is cooled to room temperature；
(4) sizing material is put into open mill, load weighted ETU-75 is added in sizing material after packet roller and is mixed, Bao Tong,
Slice after beating triangle bag 6 obtains anti creepage trace neoprene packing material after standing 16 hours.
Embodiment 4
A kind of anti creepage trace neoprene packing material, raw material include: 100 parts of neoprene, carbon black by weight
65 parts, 8 parts of antimony oxide, 10 parts of melamine cyanurate, 25 parts of nano-aluminium oxide, 55 parts of aluminium hydroxide, hydrogen-oxygen
Change 65 parts of magnesium, 4 parts, ETU-753 parts of activated zinc oxide.
Above-mentioned neoprene Mooney viscosity (ML1+10,121 DEG C) is 55；Above-mentioned carbon black is Cabot N550, specific surface area
For 38*10-5m2/kg；Above-mentioned antimony oxide, average grain diameter 0.5um, 99.5% or more purity；Above-mentioned melamine cyanurate
Salt, 95% or more whiteness, 99.5% or more purity；Above-mentioned nano-aluminium oxide crystal form is α phase, average grain diameter 25nm, content
99.99% or more；Above-mentioned aluminium hydroxide is the active aluminium hydroxide modified through Silane coupling agent KH550 surface, mesh number 6000
Mesh, 99.6% or more purity；Above-mentioned magnesium hydroxide is the active magnesium hydroxide modified through Silane coupling agent KH550 surface, mesh number
For 5000 mesh, 99.5% or more purity；Above-mentioned activated zinc oxide, crystal form are α phase, average grain diameter 28nm, specific surface area 55m2/
G, 99.99% or more content.
The preparation method of above-mentioned anti creepage trace neoprene packing material, comprising the following steps:
(1) neoprene, carbon black, antimony oxide, melamine cyanurate, nanometer three is weighed by above-mentioned formula to aoxidize
Two aluminium, aluminium hydroxide, magnesium hydroxide, activated zinc oxide, ETU-75 are spare；
(2) by carbon black, antimony oxide, melamine cyanurate, nano-aluminium oxide, aluminium hydroxide, hydroxide
Magnesium, activated zinc oxide pour into mixer, are not pressurized and are kneaded 10min, and 30 DEG C of melting temperature；
(3) neoprene is put into mixer, pressurizes and is kneaded 20min, 75 DEG C of melting temperature；It is kneaded the heel row of end
Glue is cooled to room temperature；
(4) sizing material is put into open mill, load weighted ETU-75 is added in sizing material after packet roller and is mixed, Bao Tong,
Slice after beating triangle bag 6 obtains anti creepage trace neoprene packing material after standing 16 hours.
To the material in comparative example 1, comparative example 2, comparative example 3, embodiment 1, embodiment 2, embodiment 3 and embodiment 4 into
Row performance measurement, measured data are as shown in table 1.
1 anti creepage trace neoprene packing material properties test result of table
It from the point of view of the test result of table 1, acts synergistically between instant component, effectively enhances the resistance to electricity of neoprene matrix
The accelerated aging test of deteriorating property and anti creepage trace performance, Examples 1 to 4 resulting materials can pass through
1A3.5, while the key performance compression set numerical value for influencing sealing is respectively less than 25%, can satisfy in valve cooling system completely
The seal request of cooling water.
Claims (8)
1. a kind of anti creepage trace neoprene packing material, which is characterized in that its raw material includes: neoprene by weight
100 parts, 40-70 parts of carbon black, 5-10 parts of antimony oxide, 10-15 parts of melamine cyanurate, nano-aluminium oxide 10-
40 parts, 40-80 parts of aluminium hydroxide, 35-70 parts of magnesium hydroxide, 3-7 parts of zinc oxide, ETU-751-3 parts of promotor.
2. anti creepage trace neoprene packing material according to claim 1, which is characterized in that the aluminium hydroxide is
Modified through silane coupling agent, titanate coupling agent, aluminate coupling agent, phosphate coupling agent or boric acid ester coupler surface
Active aluminium hydroxide, mesh number are 800-8000 mesh, 99.6% or more purity.
3. anti creepage trace neoprene packing material according to claim 1 or claim 2, which is characterized in that the magnesium hydroxide,
It is modified through silane coupling agent, titanate coupling agent, aluminate coupling agent, phosphate coupling agent or boric acid ester coupler surface
Active magnesium hydroxide, mesh number be 800-8000 mesh, 99.5% or more purity.
4. anti creepage trace neoprene packing material according to claim 1 or claim 2, which is characterized in that the neoprene
Mooney viscosity (ML1+10,121 DEG C) is 40-55；The carbon black is Cabot N550 carbon black, and N2 adsorption specific surface area is 34*10-5-46*10-5m2/kg；The antimony oxide, 97% or more whiteness, average grain diameter 0.4-0.6um, 99.5% or more purity；Institute
State melamine cyanurate, 95% or more whiteness, 99.5% or more purity.
5. anti creepage trace neoprene packing material according to claim 1 or claim 2, which is characterized in that three oxygen of nanometer
Changing two aluminium crystal forms is α phase, partial size 20-40nm, 99.99% or more content.
6. anti creepage trace neoprene packing material according to claim 1 or claim 2, which is characterized in that the zinc oxide, it is brilliant
Type is α phase, average grain diameter 20-30nm, specific surface area 45m2/ g or more, 99.99% or more content.
7. the preparation method of anti creepage trace neoprene packing material as claimed in claim 1 or 2, it is characterised in that: including with
Lower step:
1) neoprene, carbon black, antimony oxide, melamine cyanurate, nano-aluminium oxide, hydrogen-oxygen are weighed by formula
Change aluminium, magnesium hydroxide, zinc oxide, promotor ETU-75, it is spare；
2) by carbon black, antimony oxide, melamine cyanurate, nano-aluminium oxide, aluminium hydroxide, magnesium hydroxide, oxygen
Change zinc to pour into mixer, is not pressurized and is kneaded 5-10min, 25-40 DEG C of melting temperature；
3) neoprene is put into mixer, pressurization is kneaded 15-20min, 30-100 DEG C of melting temperature, is kneaded the heel row of end
Glue is cooled to room temperature；
4) sizing material is put into open mill, promotor ETU-75 is added in sizing material after packet roller and is mixed, Bao Tong beats triangle bag
Slice after 4-6 obtains anti creepage trace neoprene packing material after standing 16 hours.
8. the application of anti creepage trace neoprene packing material as claimed in claim 1 or 2 is used for change of current valve seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910707764.7A CN110483863B (en) | 2019-08-01 | 2019-08-01 | Tracking-resistant chloroprene rubber sealing material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910707764.7A CN110483863B (en) | 2019-08-01 | 2019-08-01 | Tracking-resistant chloroprene rubber sealing material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110483863A true CN110483863A (en) | 2019-11-22 |
| CN110483863B CN110483863B (en) | 2021-09-21 |
Family
ID=68548980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910707764.7A Active CN110483863B (en) | 2019-08-01 | 2019-08-01 | Tracking-resistant chloroprene rubber sealing material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110483863B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115368654A (en) * | 2022-08-24 | 2022-11-22 | 山西至正实业有限公司 | Chloroprene rubber material with low compression permanent deformation as well as preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105482202A (en) * | 2014-09-25 | 2016-04-13 | 国家电网公司 | Flame-retardant rubber and production method therefor |
| CN105602053A (en) * | 2016-03-04 | 2016-05-25 | 王文文 | Indoor cable flame-retardant inner layer rubber raw material |
| CN106009693A (en) * | 2016-06-15 | 2016-10-12 | 国网江西省电力科学研究院 | Silicone rubber with excellent tracking resistance and high heat conductivity |
| CN109553866A (en) * | 2018-10-31 | 2019-04-02 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of anti creepage trace EPT rubber packing material and preparation method thereof |
-
2019
- 2019-08-01 CN CN201910707764.7A patent/CN110483863B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105482202A (en) * | 2014-09-25 | 2016-04-13 | 国家电网公司 | Flame-retardant rubber and production method therefor |
| CN105602053A (en) * | 2016-03-04 | 2016-05-25 | 王文文 | Indoor cable flame-retardant inner layer rubber raw material |
| CN106009693A (en) * | 2016-06-15 | 2016-10-12 | 国网江西省电力科学研究院 | Silicone rubber with excellent tracking resistance and high heat conductivity |
| CN109553866A (en) * | 2018-10-31 | 2019-04-02 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of anti creepage trace EPT rubber packing material and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| SCHMIDT ET AL: "Tracking and Erosion Resistance of High Temperature Vulcanizing ATH-free Silicone Rubber", 《IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION》 * |
| 中国电工技术协会: "《电工高新技术丛书 第5分册》", 31 March 2000, 机械工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115368654A (en) * | 2022-08-24 | 2022-11-22 | 山西至正实业有限公司 | Chloroprene rubber material with low compression permanent deformation as well as preparation method and application thereof |
| CN115368654B (en) * | 2022-08-24 | 2023-10-27 | 山西至正实业有限公司 | Chloroprene rubber material with low compression set and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110483863B (en) | 2021-09-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018036429A1 (en) | Modified white graphene composite oxidation-resistant coating and preparation method therefor | |
| CN103613934B (en) | fire-resistant silicon rubber self-adhesive tape and preparation method thereof | |
| CN108962426A (en) | A kind of silicon rubber insulation composite material, preparation method and use | |
| CN103509299A (en) | High-humidity-resistant insulating sheath material for transformer and preparation method thereof | |
| CN110483863A (en) | A kind of anti creepage trace neoprene packing material and preparation method thereof | |
| CN114410020B (en) | Insulating heat-conducting flame-retardant butyl rubber sealing material and preparation method thereof | |
| CN108264041A (en) | Graphene oxide/copper oxide composite powder and preparation method thereof, microcosmic stratiform structure graphite alkene/method of manufacturing carbon/carbon-copper composite material | |
| CN114197219B (en) | Composite lithium battery fireproof material and preparation method and application thereof | |
| CN110590383A (en) | Thermal state repairing spray coating and preparation method thereof | |
| CN109553866A (en) | A kind of anti creepage trace EPT rubber packing material and preparation method thereof | |
| WO2020244084A1 (en) | Heat-resistant flexible polymer composite insulating material formula containing polyurethane | |
| CN110283409A (en) | A kind of anti creepage trace fluorubber sealing material and preparation method thereof | |
| CN210136904U (en) | Silica aerogel felt product coated with silica gel fireproof cloth for electric vehicle battery | |
| CN108715767B (en) | Heat-conducting transformer oil and preparation method thereof | |
| CN108504427B (en) | Nanoparticle modified transformer oil and preparation method thereof | |
| CN105017778B (en) | A kind of preparation method of the low fluorine silicone rubber of porcelain used in composite insulator | |
| CN114437497B (en) | Energy-saving heat-resistant corrosion-resistant high-voltage tube bus | |
| CN106317706A (en) | High-temperature-resistant anti-cracking flame-retardant cable material and preparation method thereof | |
| CN105400203A (en) | Wear-resistant sealing rubber gasket | |
| CN209266205U (en) | A kind of capacitor cover plate and capacitor | |
| CN112961510B (en) | 66kV high-strength high-heat-resistance HEPR insulating material for wind power and preparation method thereof | |
| CN216001706U (en) | Anti-oxidation alloy plate | |
| CN221221079U (en) | High-strength hexagonal nut | |
| CN107868575B (en) | Low-temperature-resistant fireproof coating and preparation method thereof | |
| CN107383485A (en) | A kind of fire-resistant rubber part |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |