CN106751335A - A kind of preparation method of oil resistant insulating rubber - Google Patents
A kind of preparation method of oil resistant insulating rubber Download PDFInfo
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- CN106751335A CN106751335A CN201611030915.2A CN201611030915A CN106751335A CN 106751335 A CN106751335 A CN 106751335A CN 201611030915 A CN201611030915 A CN 201611030915A CN 106751335 A CN106751335 A CN 106751335A
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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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
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
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- C—CHEMISTRY; METALLURGY
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
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- C08K3/36—Silica
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K5/00—Use of organic ingredients
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- C12P5/00—Preparation of hydrocarbons or halogenated hydrocarbons
- C12P5/002—Preparation of hydrocarbons or halogenated hydrocarbons cyclic
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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
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
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Abstract
The present invention relates to a kind of preparation method of oil resistant insulating rubber, belong to insulation rubber preparing technical field.After be ground for tealeaves first by the present invention, with flooding, obtain polyphenoils, the ultraviolet shielded material such as kaolin is processed again, then again by fermentation of materials such as ACMs, produce the material for decomposing oils using oil inducing microbial, and the material and rubber etc. are crosslinked, are grafted, improve the oil resistivity of rubber, finally again through plasticating, vulcanizing, dry prepared oil resistant insulating rubber.The beneficial effects of the invention are as follows：Preparation process of the present invention is simple, and gained insulation rubber oil resistivity is good, under oil high and hot environment, can extend cable service life 3~4 years after use compared with conventional insulator rubber；And heat aging performance is good, heat aging performance improves 25~31% compared with conventional insulator rubber.
Description
Technical field
The present invention relates to a kind of preparation method of oil resistant insulating rubber, belong to insulation rubber preparing technical field.
Background technology
Insulation rubber is the insulating materials used in electric wire, usually ethylene propylene diene rubber, antioxidant, calcium zinc
Stabilizer, microcrystalline wax, composite vulcanizing agent, high-performance filler, superfine talcum powder, calcium carbonate etc., through banburying, filter glue, mill, roller
Sheet is pressed into, then is obtained through Rubber Extruder extrusion.
Insulation rubber for cable has common rubber mixture insulation rubber and the insulation rubber of second third etc..Common rubber mixture
Insulation rubber is main with natural rubber as sizing material, natural rubber have at normal temperatures elastic, extraordinary mechanical strength higher,
Good electrical insulation capability；But because natural rubber is not ageing-resistant, cause the reduction of insulation rubber antioxygenic property, and its oil resistivity
It is very poor with solvent resistance.Most popular insulating materials is the insulation rubber of second third in current electric wire, and it is with ternary second
Third rubber as the insulation rubber of second third base-material, ethylene propylene diene rubber is the ternary polymerization of ethene, propylene and non-conjugated diene hydrocarbon
Thing, non-conjugated diene hydrocarbon has special structure, only the ability copolymerization of one of two keys, and undersaturated double bond is primarily as friendship
At chain, another undersaturated can turn into avris chain, and the main polymer chain of ethylene propylene diene rubber is fully saturated.This is special
Property causes ethylene propylene diene rubber to have resistance to weather, acid and alkali-resistance, resistance to water vapour, colour stability, and ethylene propylene diene rubber is substantially
It is non-polar, resistant to polar solvent and chemicals, water absorption rate is low, with excellent electrical insulation capability and Inverter fed motor
Property.But its calendering Combination is poor, and low intensity, long term heat ageing poor performance is easily tacky.
The content of the invention
The technical problems to be solved by the invention：It is poor for current insulation rubber oil resistivity, and long term heat ageing poor performance,
Easily tacky the drawbacks of a, there is provided Plant Extracts and kaolin, silica do antioxidant content, rubber and vinyl monomer
With microorganism co-fermentation, then the method that compounding aid prepares oil resistant insulating rubber, the present invention tealeaves is ground first after,
With flooding, polyphenoils is obtained, then the ultraviolet shielded material such as kaolin is processed, then again by ACM
Deng fermentation of materials, the material for decomposing oils is produced using oil inducing microbial, and the material and rubber etc. are crosslinked, are connect
Branch, improves the oil resistivity of rubber, finally again through plasticating, vulcanizing, dry prepared oil resistant insulating rubber, the present invention efficiently solves biography
System insulation rubber oil resistivity is poor, and long term heat ageing poor performance, easily tacky problem.Preparation process of the present invention is simple, and gained is exhausted
Edge rubber has preferable oil resistivity, and long-term use is produced without tacky phenomenon, and heat aging performance is good.
In order to solve the above technical problems, the present invention is using technical scheme as described below：
（1）100~200g fresh tea leafs are weighed, is cleaned with water 2~3 times, clean tealeaves and 1~2L water are together added into stone mill
30~40min of middle grinding, collects juice, and it is carried out to be heated to 60~70 DEG C, after 2~3h of extraction, filters and collect filtrate,
It is spray-dried, is obtained dried object, it is standby；
（2）400~500g kaolin, 20~30g titanium dioxide and 50~60g white carbons are weighed, ball milling 1 in ball mill is added to
~2h, and 80~100 mesh sieves are crossed, sieving is collected, it is placed in filling 700~800mL mass fractions for 10% sodium hydroxide solution
Beaker in, stirring immersion 1~2h, filtering, collect filter residue, it is standby；
（3）By 1,3- butadiene, ACM, styrene and oil in mass ratio 1:3:5:1, after being well mixed, obtain
Fermentation substrate, and be transferred in fermentation tank, then be 8~10% by inoculum concentration, thermophilic oily pseudomonas is inoculated on fermentation substrate,
And 0.1~0.3g VTESs are added, and after 3~5min of stirring, fermented 4~5 days at 30~40 DEG C, fermentation knot
Beam, collects the material in fermentation tank, is placed in sterilization tank, and sterilize 5~10min at 90~100 DEG C, then by the thing after sterilizing
Material is placed in Rotary Evaporators, and the 1/3 of rotary evaporation to original volume, obtain concentrate；
（4）Count by weight, weigh 40~50 portions of above-mentioned concentrates, 1~3 part of step（1）Standby dried object, 3~5 parts of steps
Suddenly（2）Standby filter residue, 1~3 portion of benzoyl peroxide, 0.1~0.3 part of dibutyl tin laurate and 0.3~0.5 portion of lemon
Sour tri-n-butyl, in sequentially adding reactor, 1~2h of stirring reaction at 120~130 DEG C；
（5）After after above-mentioned stirring reaction, reactant is placed in two roll plastic mixing mill, roll temperature is 170~180 DEG C before controlling,
Afterwards roll temperature be 160~170 DEG C, plasticated 20~30min, and the material after refining is placed in vulcanizer, 180~190 DEG C, 10
Vulcanize 15~20min under~15MPa, vulcanization terminates, will be placed in baking oven after material chopping, 1~2h dried at 70~80 DEG C,
Room temperature is naturally cooled to again, you can obtain oil resistant insulating rubber.
Application process of the invention：By oil resistant insulating rubber parcel cable obtained in the present invention, 1~2 layer is wrapped up；This
Invention oil resistant insulating rubber tensile strength is up to 10.3~11.5N/mm2, elongation at break up to 420~470%, and with preferable
Oil resistivity and heat aging performance, under oil high and hot environment, compared with conventional insulator rubber can extend cable after use uses
3~4 years life-spans, and the current-carrying capacity of cable can be effectively improved, area of section is reduced, conductor is saved, mitigate cable weight, it is worth pushing away
Extensively with use.
Compared with other method, Advantageous Effects are the present invention：
（1）Preparation process of the present invention is simple, and gained insulation rubber oil resistivity is good, under oil high and hot environment, with conventional insulator
Rubber can extend cable service life 3~4 years after comparing use；
（2）Oil resistant insulating rubber heat aging performance of the present invention is good, compared with conventional insulator rubber heat aging performance improve 25~
31%。
Specific embodiment
100~200g fresh tea leafs being weighed first, being cleaned with water 2~3 times, clean tealeaves is together added with 1~2L water
Enter 30~40min of grinding in stone mill, collect juice, and it is carried out to be heated to 60~70 DEG C, after 2~3h of extraction, filter and receive
Collection filtrate, is spray-dried, and obtains dried object, standby；400~500g kaolin, 20~30g titanium dioxide are weighed again
With 50~60g white carbons, 1~2h of ball milling in ball mill is added to, and crosses 80~100 mesh sieves, collect sieving, be placed in filling
During 700~800mL mass fractions are the beaker of 10% sodium hydroxide solution, filter residue is collected in stirring 1~2h of immersion, filtering, standby；
Then by 1,3- butadiene, ACM, styrene and oil in mass ratio 1:3:5:1, after being well mixed, fermented
Substrate, and be transferred in fermentation tank, then be 8~10% by inoculum concentration, thermophilic oily pseudomonas is inoculated on fermentation substrate, and add
Enter 0.1~0.3g VTESs, after 3~5min of stirring, fermented 4~5 days at 30~40 DEG C, fermentation ends,
The material in fermentation tank is collected, is placed in sterilization tank, sterilize 5~10min at 90~100 DEG C, then by the material after sterilizing
It is placed in Rotary Evaporators, the 1/3 of rotary evaporation to original volume, obtains concentrate；Count by weight, weigh on 40~50 parts
State concentrate, 1~3 part of standby dried object, 3~5 parts of standby filter residues, 1~3 part of benzoyl peroxide, 0.1~0.3 part two
Dibutyl tin laurate and 0.3~0.5 part of tri-n-butyl citrate, sequentially add in reactor, are stirred at 120~130 DEG C
1~2h of reaction；Finally after after above-mentioned stirring reaction, reactant is placed in two roll plastic mixing mill, control before roll temperature be 170~
180 DEG C, rear roll temperature is 160~170 DEG C, and plasticated 20~30min, and the material after refining is placed in vulcanizer, 180~
190 DEG C, vulcanize 15~20min under 10~15MPa, vulcanization terminates, will be placed in baking oven after material chopping, is done at 70~80 DEG C
Dry 1~2h, then naturally cool to room temperature, you can obtain oil resistant insulating rubber.
Example 1
100g fresh tea leafs are weighed first, is cleaned with water 2 times, ground during clean tealeaves and 1L water are together added into stone mill
30min, collects juice, and it is carried out to be heated to 60 DEG C, after extraction 2h, filters and collect filtrate, is spray-dried,
Dried object is obtained, it is standby；400g kaolin, 20g titanium dioxide and 50g white carbons are weighed again, are added to ball milling 1h in ball mill,
And 80 mesh sieves are crossed, and sieving is collected, in being placed in filling the beaker that 700mL mass fractions are 10% sodium hydroxide solution, stirring leaching
Filter residue is collected in bubble 1h, filtering, standby；Then by 1,3- butadiene, ACM, styrene and oil in mass ratio 1:
3:5:1, after being well mixed, fermentation substrate is obtained, and be transferred in fermentation tank, then be 8% by inoculum concentration, by thermophilic oily pseudomonas
It is inoculated on fermentation substrate, and adds 0.1g VTESs, after stirring 3min, is fermented 4 days at 30 DEG C, fermentation
Terminate, collect the material in fermentation tank, be placed in sterilization tank, sterilized 5min at 90 DEG C, then the material after sterilizing is placed in
In Rotary Evaporators, the 1/3 of rotary evaporation to original volume, obtain concentrate；Count by weight, weigh 40 parts of above-mentioned concentrations
Liquid, 1 part of standby dried object, 3 parts of standby filter residues, 1 part of benzoyl peroxide, 0.1 part of dibutyl tin laurate and 0.3 part
Tri-n-butyl citrate, in sequentially adding reactor, the stirring reaction 1h at 120 DEG C；Finally after after above-mentioned stirring reaction, by instead
Thing is answered to be placed in two roll plastic mixing mill, roll temperature is 170 DEG C before controlling, and rear roll temperature is 160 DEG C, and plasticate 20min, after refining
Material be placed in vulcanizer, 15min is vulcanized under 180 DEG C, 10MPa, vulcanization terminates, and will be placed in baking oven after material chopping,
1h is dried at 70 DEG C, then naturally cools to room temperature, you can obtain oil resistant insulating rubber.
By oil resistant insulating rubber parcel cable obtained in the present invention, 1 layer is wrapped up；Oil resistant insulating rubber anti-tensile of the present invention
Intensity reaches 10.3N/mm2, elongation at break up to 420%, and with preferable oil resistivity and heat aging performance, in oil high and high temperature
Under environment, cable service life 3 years can be extended after use compared with conventional insulator rubber, and the current-carrying of cable can be effectively improved
Amount, reduces area of section, saves conductor, mitigates cable weight, is worthy to be popularized and uses.
Example 2
150g fresh tea leafs are weighed first, is cleaned with water 3 times, ground during clean tealeaves and 2L water are together added into stone mill
35min, collects juice, and it is carried out to be heated to 65 DEG C, after extraction 3h, filters and collect filtrate, is spray-dried,
Dried object is obtained, it is standby；450g kaolin, 25g titanium dioxide and 55g white carbons are weighed again, are added to ball milling 2h in ball mill,
And 90 mesh sieves are crossed, and sieving is collected, in being placed in filling the beaker that 750mL mass fractions are 10% sodium hydroxide solution, stirring leaching
Filter residue is collected in bubble 2h, filtering, standby；Then by 1,3- butadiene, ACM, styrene and oil in mass ratio 1:
3:5:1, after being well mixed, fermentation substrate is obtained, and be transferred in fermentation tank, then be 9% by inoculum concentration, by thermophilic oily pseudomonas
It is inoculated on fermentation substrate, and adds 0.2g VTESs, after stirring 4min, is fermented 5 days at 35 DEG C, fermentation
Terminate, collect the material in fermentation tank, be placed in sterilization tank, sterilized 8min at 95 DEG C, then the material after sterilizing is placed in
In Rotary Evaporators, the 1/3 of rotary evaporation to original volume, obtain concentrate；Count by weight, weigh 45 parts of above-mentioned concentrations
Liquid, 2 parts of standby dried objects, 4 parts of standby filter residues, 2 parts of benzoyl peroxides, 0.2 part of dibutyl tin laurate and 0.4 part
Tri-n-butyl citrate, in sequentially adding reactor, the stirring reaction 2h at 125 DEG C；Finally after after above-mentioned stirring reaction, by instead
Thing is answered to be placed in two roll plastic mixing mill, roll temperature is 175 DEG C before controlling, and rear roll temperature is 165 DEG C, and plasticate 25min, after refining
Material be placed in vulcanizer, 18min is vulcanized under 185 DEG C, 13MPa, vulcanization terminates, and will be placed in baking oven after material chopping,
2h is dried at 75 DEG C, then naturally cools to room temperature, you can obtain oil resistant insulating rubber.
By oil resistant insulating rubber parcel cable obtained in the present invention, 2 layers are wrapped up；Oil resistant insulating rubber anti-tensile of the present invention
Intensity reaches 10.9N/mm2, elongation at break up to 445%, and with preferable oil resistivity and heat aging performance, in oil high and high temperature
Under environment, cable service life 4 years can be extended after use compared with conventional insulator rubber, and the current-carrying of cable can be effectively improved
Amount, reduces area of section, saves conductor, mitigates cable weight, is worthy to be popularized and uses.
Example 3
200g fresh tea leafs are weighed first, is cleaned with water 3 times, ground during clean tealeaves and 2L water are together added into stone mill
40min, collects juice, and it is carried out to be heated to 70 DEG C, after extraction 3h, filters and collect filtrate, is spray-dried,
Dried object is obtained, it is standby；500g kaolin, 30g titanium dioxide and 60g white carbons are weighed again, are added to ball milling 2h in ball mill,
And 100 mesh sieves are crossed, and sieving is collected, in being placed in filling the beaker that 800mL mass fractions are 10% sodium hydroxide solution, stirring
Filter residue is collected in immersion 2h, filtering, standby；Then by 1,3- butadiene, ACM, styrene and oil in mass ratio
1:3:5:1, after being well mixed, fermentation substrate is obtained, and be transferred in fermentation tank, then be 10% by inoculum concentration, by thermophilic oil vacation monospore
Bacterium is inoculated on fermentation substrate, and adds 0.3g VTESs, after stirring 5min, is fermented 5 days at 40 DEG C, hair
Ferment terminates, and collects the material in fermentation tank, is placed in sterilization tank, and sterilize 10min at 100 DEG C, then by the material after sterilizing
It is placed in Rotary Evaporators, the 1/3 of rotary evaporation to original volume, obtains concentrate；Count by weight, weigh 50 parts it is above-mentioned dense
Contracting liquid, 3 parts of standby dried objects, 5 parts of standby filter residues, 3 parts of benzoyl peroxides, 0.3 part of dibutyl tin laurate and 0.5
Part tri-n-butyl citrate, in sequentially adding reactor, the stirring reaction 2h at 130 DEG C；Finally after after above-mentioned stirring reaction, incite somebody to action
Reactant is placed in two roll plastic mixing mill, and roll temperature is 180 DEG C before controlling, and rear roll temperature is 170 DEG C, and plasticate 30min, will refine
Material afterwards is placed in vulcanizer, and 20min is vulcanized under 190 DEG C, 15MPa, and vulcanization terminates, and will be placed in baking oven after material chopping
In, 2h is dried at 80 DEG C, then naturally cool to room temperature, you can obtain oil resistant insulating rubber.
By oil resistant insulating rubber parcel cable obtained in the present invention, 2 layers are wrapped up；Oil resistant insulating rubber anti-tensile of the present invention
Intensity reaches 11.5N/mm2, elongation at break up to 470%, and with preferable oil resistivity and heat aging performance, in oil high and high temperature
Under environment, cable service life 4 years can be extended after use compared with conventional insulator rubber, and the current-carrying of cable can be effectively improved
Amount, reduces area of section, saves conductor, mitigates cable weight, is worthy to be popularized and uses.
Claims (1)
1. a kind of preparation method of oil resistant insulating rubber, it is characterised in that specific preparation process is：
（1）100~200g fresh tea leafs are weighed, is cleaned with water 2~3 times, clean tealeaves and 1~2L water are together added into stone mill
30~40min of middle grinding, collects juice, and it is carried out to be heated to 60~70 DEG C, after 2~3h of extraction, filters and collect filtrate,
It is spray-dried, is obtained dried object, it is standby；
（2）400~500g kaolin, 20~30g titanium dioxide and 50~60g white carbons are weighed, ball milling 1 in ball mill is added to
~2h, and 80~100 mesh sieves are crossed, sieving is collected, it is placed in filling 700~800mL mass fractions for 10% sodium hydroxide solution
Beaker in, stirring immersion 1~2h, filtering, collect filter residue, it is standby；
（3）By 1,3- butadiene, ACM, styrene and oil in mass ratio 1:3:5:1, after being well mixed, obtain
Fermentation substrate, and be transferred in fermentation tank, then be 8~10% by inoculum concentration, thermophilic oily pseudomonas is inoculated on fermentation substrate,
And 0.1~0.3g VTESs are added, and after 3~5min of stirring, fermented 4~5 days at 30~40 DEG C, fermentation knot
Beam, collects the material in fermentation tank, is placed in sterilization tank, and sterilize 5~10min at 90~100 DEG C, then by the thing after sterilizing
Material is placed in Rotary Evaporators, and the 1/3 of rotary evaporation to original volume, obtain concentrate；
（4）Count by weight, weigh 40~50 portions of above-mentioned concentrates, 1~3 part of step（1）Standby dried object, 3~5 parts of steps
Suddenly（2）Standby filter residue, 1~3 portion of benzoyl peroxide, 0.1~0.3 part of dibutyl tin laurate and 0.3~0.5 portion of lemon
Sour tri-n-butyl, in sequentially adding reactor, 1~2h of stirring reaction at 120~130 DEG C；
（5）After after above-mentioned stirring reaction, reactant is placed in two roll plastic mixing mill, roll temperature is 170~180 DEG C before controlling,
Afterwards roll temperature be 160~170 DEG C, plasticated 20~30min, and the material after refining is placed in vulcanizer, 180~190 DEG C, 10
Vulcanize 15~20min under~15MPa, vulcanization terminates, will be placed in baking oven after material chopping, 1~2h dried at 70~80 DEG C,
Room temperature is naturally cooled to again, you can obtain oil resistant insulating rubber.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611030915.2A CN106751335A (en) | 2016-11-22 | 2016-11-22 | A kind of preparation method of oil resistant insulating rubber |
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| CN201611030915.2A CN106751335A (en) | 2016-11-22 | 2016-11-22 | A kind of preparation method of oil resistant insulating rubber |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09272788A (en) * | 1996-02-09 | 1997-10-21 | Yokohama Rubber Co Ltd:The | Thermoplastic elastomer composition, its preparation, and hose using the same |
| US20120225291A1 (en) * | 2011-03-02 | 2012-09-06 | E.I. Du Pont De Nemours And Company | Low smoke halogen free flame retardant thermoplastic vulcanizate compositions containing zeolites |
| CN103059359A (en) * | 2012-11-20 | 2013-04-24 | 深圳市沃尔核材股份有限公司 | Soft and flexible heat-shrinkable tube with properties of high fire retardance and oil resistance and production method thereof |
-
2016
- 2016-11-22 CN CN201611030915.2A patent/CN106751335A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09272788A (en) * | 1996-02-09 | 1997-10-21 | Yokohama Rubber Co Ltd:The | Thermoplastic elastomer composition, its preparation, and hose using the same |
| US20120225291A1 (en) * | 2011-03-02 | 2012-09-06 | E.I. Du Pont De Nemours And Company | Low smoke halogen free flame retardant thermoplastic vulcanizate compositions containing zeolites |
| CN103059359A (en) * | 2012-11-20 | 2013-04-24 | 深圳市沃尔核材股份有限公司 | Soft and flexible heat-shrinkable tube with properties of high fire retardance and oil resistance and production method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 杜维春: "《中国茶叶标准化发展研究》", 31 January 2014 * |
| 许并社: "《纳米材料及应用技术》", 31 January 2004 * |
| 陈国强: "《聚羟基脂肪酸酯生态产业链—生产与应用技术指南》", 31 October 2008 * |
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Application publication date: 20170531 |