CN105949532A - Conductive nano-rubber and preparation method thereof - Google Patents
Conductive nano-rubber and preparation method thereof Download PDFInfo
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- CN105949532A CN105949532A CN201610518536.1A CN201610518536A CN105949532A CN 105949532 A CN105949532 A CN 105949532A CN 201610518536 A CN201610518536 A CN 201610518536A CN 105949532 A CN105949532 A CN 105949532A
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- 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
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- 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
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- C08K3/22—Oxides; Hydroxides of metals
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Abstract
The invention discloses conductive nano-rubber and a preparation method thereof. The conductive nano-rubber is prepared from natural rubber, nanometer organic activated montmorillonite, an ester cobaltate coupling agent, stearic acid, nanometer titanium dioxide, magnesium silicate, methyl ethyl ketone peroxide, cobalt naphthenate, DCP (Dibasic Calcium Phosphate) and expanded graphite. The conductive nano-rubber has the advantages of high oil resistance, excellent high temperature resistance, corrosion resistance, low cost, shore hardness being 76-80, capability of working for a long time at the temperature of 60-160 DEG C, high wear resistance, high heat resistance and high elasticity, abundant raw material resources, reusability, tensile strength being 16-16MPa, corrosion resistance and durability, can be widely applied to various extreme environments, is prevented from aging while working at a high-temperature temperature for a long time, and meets the environmental protection requirement.
Description
Technical field
The present invention relates to technical field of rubber material, particularly relate to a kind of electrical-conductive nanometer rubber and preparation method thereof.
Background technology
Rubber one word derives from Indian cau-uchu, means " tree shed tears ".The latex flowed out when natural rubber is exactly to be tapped rubber by para ruber is through solidifying, preparing after drying.1770, Britain chemist J. Priestley found that rubber can be used to wipe pencil writing, at that time the material of this purposes is referred to as rubber, and this word is used till today always.The strand of rubber can cross-link, and when the rubber after crosslinking is deformed by External Force Acting, has the ability of recovery rapidly, and has good physical and mechanical property and chemical stability.Rubber is the base stock of rubber industry, is widely used in manufacture tire, sebific duct, adhesive tape, cable and other various rubbers.
Natural rubber is manufactured by latex, nonrubber composition contained in latex some be left in the natural rubber of solid.The 92%-95% Han rubber hydrocarbon in general natural rubber, rather than rubber hydrocarbon accounts for 5%-8%.Owing to preparation method is different, the place of production is different or even adopts glue difference in season, and the ratio of these compositions may be variant, but is substantially all within scope.
In recent years, rubber industry is much developed, and the existing segmented industry is steadily increasing, and the new raw rubber segmented industry then develops rapidly, but simultaneously, rubber industry also there is also the problems such as environment, resource, disaster, innovation.
2004, whole nation natural rubber total cultivated area 69.62 ten thousand hectares, open face and amass 45.19 ten thousand hectares, dry incineration method 57.33 ten thousand tons.Wherein land-reclaimable rubber planting area 41.1 ten thousand hectares, accounts for the 59.03% and 40.97% of the whole nation rubber gross area respectively by private 28.52 ten thousand hectares.
2011, there is jumbo fluctuation in the prices of raw materials such as rubber, and the highest record in history of 43500 yuan/ton created the first quarter by natural rubber, have an effect synthetic rubber two, the third quater on attack, amount of increase reaches 10000 yuan/ton, the most all occurs plummeting.Being affected by rubber price big ups and downs, the main rubber enterprise such as tire stands in the breach, and costs of production and operation is difficult to control to, and inventory risk strengthens, and profit margin is compressed to 2%-5%, and industry faces a severe challenge.
Due to robber materials price fluctuation, domestic and international market continued downturn, domestic demand slows down, and China's main rubber product yield amplification falls after rise, outlet falls after rise, but the situation of big rise and big fall does not occur, maintains economical operation the most steady.Meanwhile, running quality has optimized: product restructuring makes progress, and tire meridian rate reaches 86.5%, improves 2.5 % on year-on-year basis, and other product structures also have bigger improvement;Changing rubber industry growth pattern to win initial success, the dependency degree of external demand is reduced by tire;Carrying out low-carbon economy effect notable, the products such as industry energy consumption reduces, and a collection of energy-saving equipment occurs, green tire and green raw material continue to bring out.These change explanation, when economic growth rate appropriateness reduces, exchange structure on the contrary, promote every reform helpful.China's rubber industry economical operation starts to sail benign development track into.
Rubber industry is as what automobile industry development got up.Sixties auto industry and petro chemical industry high speed development, make the rubber industry level of production be greatly improved；Entering the seventies, for adapting to the high speed of automobile, safety and the saving energy, eliminate and pollute, prevent the needs of the aspects such as public hazards, promote tire new varieties constantly goes out sight.Raw material glue consumption occupies sizable proportion in terms of transportation.Such as: 4 tons of trucies of a Jiefang brand, needing rubber more than 200 kilogram, a joint hard-seat coach need to assemble rubber gross weight more than 300 kilogram, a million tons wheel just needs the nearly 10 tons of weights of rubber, a frame jet airliner to need the rubber of nearly 600 kilograms.In the transportation of sea, land and sky, which all be unable to do without rubber.As means of transport, tire is a main accessory.Except producing in addition to conventional tyre, also greatly develop radial, tubeless tyre underground railway has also uses rubber tyre.Rolling stock and automobile popularization and application rubber spring subtract exhibition goods, and airtight rubber is put.Mega-store, station, subway are also using manned conveyer belt.Additionally, the most useful rubber " aircushion vehicle ", " air cushion vehicle " manufactured etc..
Having many rubbers servicing for us in daily life, all over being worn by urban and rural residents, it is the one that in B rubber, consumption figure is the biggest.Other as raincoat, hot water help, the purple band of pine, toy for children, sponge seat cushion and latex impregnation goods etc., all in its effect of performance people's lives.
Summary of the invention
The present invention provides that a kind of hardness is high, high, low temperature resistant and resistant to elevated temperatures electrical-conductive nanometer rubber of hot strength and preparation method thereof, the technical problem such as solve that existing elastomeric material hardness is low and hot strength is low.
The present invention is by the following technical solutions: a kind of electrical-conductive nanometer rubber, it is as follows that mass fraction proportioning pressed by its raw material: natural rubber 100 parts, nanometer organic active montmorillonite 4-6 part, cobalt acid esters coupling agent 18-22 part, stearic acid 0.5-1.5 part, nano titanium oxide 1-2 part, magnesium silicate is 2-12 part, methyl ethyl ketone peroxide 1-3 part, cobalt naphthenate 10-20 part, DCP0.5-2.5 part, expanded graphite 5-7 part.
As a preferred technical solution of the present invention: it is as follows that mass fraction proportioning pressed by the raw material of described electrical-conductive nanometer rubber: natural rubber 100 parts, nanometer organic active montmorillonite 4 parts, cobalt acid esters coupling agent 18 parts, stearic acid 0.5 part, nano titanium oxide 1 part, magnesium silicate is 2 parts, methyl ethyl ketone peroxide 1 part, cobalt naphthenate 10 parts, DCP0.5 part, expanded graphite 5 parts.
As a preferred technical solution of the present invention: it is as follows that mass fraction proportioning pressed by the raw material of described electrical-conductive nanometer rubber: natural rubber 100 parts, nanometer organic active montmorillonite 6 parts, cobalt acid esters coupling agent 22 parts, stearic acid 1.5 parts, nano titanium oxide 2 parts, magnesium silicate is 12 parts, methyl ethyl ketone peroxide 3 parts, cobalt naphthenate 20 parts, DCP2.5 part, expanded graphite 7 parts.
As a preferred technical solution of the present invention: it is as follows that mass fraction proportioning pressed by the raw material of described electrical-conductive nanometer rubber: natural rubber 100 parts, nanometer organic active montmorillonite 5 parts, cobalt acid esters coupling agent 20 parts, stearic acid 1 part, nano titanium oxide 1.5 parts, magnesium silicate is 7 parts, methyl ethyl ketone peroxide 2 parts, cobalt naphthenate 15 parts, DCP1.5 part, expanded graphite 6 parts.
A kind of method preparing described electrical-conductive nanometer rubber, step is:
The first step: weigh natural rubber, nanometer organic active montmorillonite, cobalt acid esters coupling agent, stearic acid, nano titanium oxide, magnesium silicate, methyl ethyl ketone peroxide, cobalt naphthenate, DCP and expanded graphite according to mass fraction proportioning；
Second step: put into by natural rubber in high-speed mixer, is warming up to 105-125 DEG C, adds surplus stock, is warming up to 125-145 DEG C, and mixing velocity 800-1000r/min mixes 10-30min；
3rd step: mixed raw material by plasticating, calendering process, form elastomeric compound, then rolling out film and form rubber.
Beneficial effect
A kind of electrical-conductive nanometer rubber of the present invention and preparation method thereof uses above technical scheme compared with prior art, have following technical effect that 1, oil resistance good, high temperature resistant, corrosion-resistant, low cost, shore hardness A is 76-80；2, can long-term work at-60 ~ 160 DEG C, wearability is high, heat-resisting and excellent spring；3, raw material resources are enriched, and repeatable utilization, hot strength is 14-16MPa, has corrosion-resistant, durable；4, can be widely used at various extreme environments, long-term work is difficult to aging in high temperature environments, meets environmental requirement, can be with the widespread production not division of history into periods for current material.
Detailed description of the invention
Below in conjunction with example, the invention will be further described, and embodiment is only used for that the present invention will be described, is not intended that the restriction to right, other alternative means that it may occur to persons skilled in the art that, the most within the scope of the invention as claimed.
Embodiment 1:
The first step: weigh natural rubber 100 parts, nanometer organic active montmorillonite 4 parts, cobalt acid esters coupling agent 18 parts, stearic acid 0.5 part according to mass fraction proportioning, nano titanium oxide 1 part, magnesium silicate is 2 parts, methyl ethyl ketone peroxide 1 part, cobalt naphthenate 10 parts, DCP0.5 part, expanded graphite 5 parts.
Second step: put into by natural rubber in high-speed mixer, is warming up to 105 DEG C, adds surplus stock, is warming up to 125 DEG C, and mixing velocity 800r/min mixes 10min.
3rd step: mixed raw material by plasticating, calendering process, form elastomeric compound, then rolling out film and form rubber.
Oil resistance is good, high temperature resistant, corrosion-resistant, low cost, and shore hardness A is 76；Can long-term work at-60 ~ 160 DEG C, wearability is high, heat-resisting and excellent spring；Raw material resources are enriched, and repeatable utilization, hot strength is 14MPa, has corrosion-resistant, durable；Can be widely used at various extreme environments, long-term work is difficult to aging in high temperature environments, meets environmental requirement.
Embodiment 2:
The first step: weigh natural rubber 100 parts, nanometer organic active montmorillonite 6 parts, cobalt acid esters coupling agent 22 parts, stearic acid 1.5 parts according to mass fraction proportioning, nano titanium oxide 2 parts, magnesium silicate is 12 parts, methyl ethyl ketone peroxide 3 parts, cobalt naphthenate 20 parts, DCP2.5 part, expanded graphite 7 parts.
Second step: put into by natural rubber in high-speed mixer, is warming up to 125 DEG C, adds surplus stock, is warming up to 145 DEG C, and mixing velocity 1000r/min mixes 30min.
3rd step: mixed raw material by plasticating, calendering process, form elastomeric compound, then rolling out film and form rubber.
Oil resistance is good, high temperature resistant, corrosion-resistant, low cost, and shore hardness A is 78；Can long-term work at-60 ~ 160 DEG C, wearability is high, heat-resisting and excellent spring；Raw material resources are enriched, and repeatable utilization, hot strength is 15MPa, has corrosion-resistant, durable；Can be widely used at various extreme environments, long-term work is difficult to aging in high temperature environments, meets environmental requirement.
Embodiment 3:
The first step: weigh natural rubber 100 parts, nanometer organic active montmorillonite 5 parts, cobalt acid esters coupling agent 20 parts, stearic acid 1 part according to mass fraction proportioning, nano titanium oxide 1.5 parts, magnesium silicate is 7 parts, methyl ethyl ketone peroxide 2 parts, cobalt naphthenate 15 parts, DCP1.5 part, expanded graphite 6 parts.
Second step: put into by natural rubber in high-speed mixer, is warming up to 115 DEG C, adds surplus stock, is warming up to 135 DEG C, and mixing velocity 900r/min mixes 20min.
3rd step: mixed raw material by plasticating, calendering process, form elastomeric compound, then rolling out film and form rubber.
Oil resistance is good, high temperature resistant, corrosion-resistant, low cost, and shore hardness A is 80；Can long-term work at-60 ~ 160 DEG C, wearability is high, heat-resisting and excellent spring；Raw material resources are enriched, and repeatable utilization, hot strength is 16MPa, has corrosion-resistant, durable；Can be widely used at various extreme environments, long-term work is difficult to aging in high temperature environments, meets environmental requirement.
Claims (5)
1. an electrical-conductive nanometer rubber, it is characterized in that, it is as follows that mass fraction proportioning pressed by the raw material of described electrical-conductive nanometer rubber: natural rubber 100 parts, nanometer organic active montmorillonite 4-6 part, cobalt acid esters coupling agent 18-22 part, stearic acid 0.5-1.5 part, nano titanium oxide 1-2 part, magnesium silicate is 2-12 part, methyl ethyl ketone peroxide 1-3 part, cobalt naphthenate 10-20 part, DCP0.5-2.5 part, expanded graphite 5-7 part.
A kind of electrical-conductive nanometer rubber the most according to claim 1, it is characterized in that, it is as follows that mass fraction proportioning pressed by the raw material of described electrical-conductive nanometer rubber: natural rubber 100 parts, nanometer organic active montmorillonite 4 parts, cobalt acid esters coupling agent 18 parts, stearic acid 0.5 part, nano titanium oxide 1 part, magnesium silicate is 2 parts, methyl ethyl ketone peroxide 1 part, cobalt naphthenate 10 parts, DCP0.5 part, expanded graphite 5 parts.
A kind of electrical-conductive nanometer rubber the most according to claim 1, it is characterized in that, it is as follows that mass fraction proportioning pressed by the raw material of described electrical-conductive nanometer rubber: natural rubber 100 parts, nanometer organic active montmorillonite 6 parts, cobalt acid esters coupling agent 22 parts, stearic acid 1.5 parts, nano titanium oxide 2 parts, magnesium silicate is 12 parts, methyl ethyl ketone peroxide 3 parts, cobalt naphthenate 20 parts, DCP2.5 part, expanded graphite 7 parts.
A kind of electrical-conductive nanometer rubber the most according to claim 1, it is characterized in that, it is as follows that mass fraction proportioning pressed by the raw material of described electrical-conductive nanometer rubber: natural rubber 100 parts, nanometer organic active montmorillonite 5 parts, cobalt acid esters coupling agent 20 parts, stearic acid 1 part, nano titanium oxide 1.5 parts, magnesium silicate is 7 parts, methyl ethyl ketone peroxide 2 parts, cobalt naphthenate 15 parts, DCP1.5 part, expanded graphite 6 parts.
5. the method for the electrical-conductive nanometer rubber that one kind is prepared described in claim 1, it is characterised in that comprise the steps:
The first step: weigh natural rubber, nanometer organic active montmorillonite, cobalt acid esters coupling agent, stearic acid, nano titanium oxide, magnesium silicate, methyl ethyl ketone peroxide, cobalt naphthenate, DCP and expanded graphite according to mass fraction proportioning；
Second step: put into by natural rubber in high-speed mixer, is warming up to 105-125 DEG C, adds surplus stock, is warming up to 125-145 DEG C, and mixing velocity 800-1000r/min mixes 10-30min；
3rd step: mixed raw material by plasticating, calendering process, form elastomeric compound, then rolling out film and form rubber.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103483631A (en) * | 2013-09-09 | 2014-01-01 | 沈阳理工大学 | Preparation method of wearing-resistant expanded graphite reinforced rubber composite material |
| CN103539969A (en) * | 2012-07-09 | 2014-01-29 | 华南理工大学 | Rubber/acetylene black conductive material as well as preparation method and application thereof |
| CN103865114A (en) * | 2014-02-27 | 2014-06-18 | 上海工程技术大学 | Imvite/natural rubber composite and preparation method thereof |
| CN104844775A (en) * | 2015-05-30 | 2015-08-19 | 吉林大学 | Expanded graphite flake/polyether-ether-ketone wear-resistant composite material and preparation method thereof |
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- 2016-07-05 CN CN201610518536.1A patent/CN105949532A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103539969A (en) * | 2012-07-09 | 2014-01-29 | 华南理工大学 | Rubber/acetylene black conductive material as well as preparation method and application thereof |
| CN103483631A (en) * | 2013-09-09 | 2014-01-01 | 沈阳理工大学 | Preparation method of wearing-resistant expanded graphite reinforced rubber composite material |
| CN103865114A (en) * | 2014-02-27 | 2014-06-18 | 上海工程技术大学 | Imvite/natural rubber composite and preparation method thereof |
| CN104844775A (en) * | 2015-05-30 | 2015-08-19 | 吉林大学 | Expanded graphite flake/polyether-ether-ketone wear-resistant composite material and preparation method thereof |
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Application publication date: 20160921 |