CN107674257A - A kind of rubber composition, production method and the colored tire comprising said composition - Google Patents
A kind of rubber composition, production method and the colored tire comprising said composition Download PDFInfo
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- CN107674257A CN107674257A CN201711040479.1A CN201711040479A CN107674257A CN 107674257 A CN107674257 A CN 107674257A CN 201711040479 A CN201711040479 A CN 201711040479A CN 107674257 A CN107674257 A CN 107674257A
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- parts
- white carbon
- rubber composition
- rubber
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Classifications
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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
- C08L7/00—Compositions of natural rubber
-
- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention belongs to tire manufacturing techniques field, and disclosing a kind of rubber composition, production method and the colored tire comprising said composition, the rubber composition includes：Natural rubber, white carbon, vulcanizing agent, vulcanization accelerator, colouring agent, wherein, the white carbon is modified high-dispersion white carbon black.The rubber composition of the present invention, makees carry out activation process using PEG4000 to white carbon.Condensation reaction occurs for silicone hydroxyl of the hydroxyl directly with white carbon in PEG4000 molecules, reduce the quantity of white carbon surface silanol group, white carbon is set to be changed into hydrophobicity from hydrophily, reduce the suction-operated to accelerator etc., reduce the reunion of particle, its compatibility and dispersiveness with rubber is increased, both has been obtained sufficient contact, so as to improve the curingprocess rate of sizing material；In addition, the present invention adds modified white carbon, by the vulcanizing group on white carbon surface, polymer is chemically bonded with filler, improve the wearability of vulcanizate.
Description
Technical field
The invention belongs to tire manufacturing techniques field, and in particular to a kind of rubber composition, production method and include the group
The colored tire of compound.
Background technology
Tire, the annular elastic article of vehicle, agricultural machinery, engineering machinery traveling and aircraft takeoffs and landings etc. is supplied with,
It, which has, bears the various functions such as load, driving brake buffering shock-absorbing.Wherein tread mix is located at the outermost layer of tire, is wheel
Tire bears external stress part the harshest, to tire tread performance study, such as：Reduce rolling resistance, shorten wetland brake
Distance, increase the service life, improve handling and improve anti-destructive etc. and answered with important theoretical significance and engineering
With value.
White carbon obtains as function admirable, green reinforcing agent in the production process of tire raw material rubber
Increasing application, however, due to white carbon slant acidity and its stronger suction-operated, therefore, if being filled out in rubber compounding
The activity of formula can be reduced by filling excessive white carbon, postpone the speed of vulcanization；In addition, white carbon particle diameter is minimum, specific surface area is big,
There are one layer of uniform siloxanes and silanol hydroxyl in surface, has very strong hydrophily, easy mutual conglomerate, in organic phase
It is difficult to moisten and disperses so that the compound viscosity for mixing white carbon significantly raises, sizing material processing difficulties.Therefore, how to improve
The activity of white carbon, improve reinforcing property of the white carbon in rubber compounding, it has also become a technology of the field urgent need to resolve
Problem.
The content of the invention
Therefore, the technical problem to be solved in the present invention in existing rubber compounding is overcome white carbon exist slant acidity and
The problem of stronger suction-operated, so as to provide a kind of new rubber composition, production method and colour comprising said composition
Tire.
In order to solve the above technical problems, the invention provides a kind of rubber composition, including：Natural rubber, white carbon, sulphur
Agent, vulcanization accelerator, colouring agent, wherein：The white carbon is modified high-dispersion white carbon black；
The preparation method of the modified high-dispersion white carbon black is：The PEG4000 of 2~10wt% white carbons is dissolved in quality point
High-dispersion white carbon black is added after being well mixed in the ethanol water that number is 70%, makes it abundant with PEG4000 ethanol solution
Mixing, treat that ethanol volatilization completely after heating 5min in 140~150 DEG C of insulating boxs, cools down and produces modified high-dispersion white carbon black.
Preferably, the white carbon specific surface area is 150~170m2/ g, oil factor are 25~300mL/100g.
Preferably, the vulcanizing agent is one or more of mixing in EPDM, vulcanizing agent RC-15 or sulphur.
Preferably, the vulcanization accelerator mixes for one or both of stearmide or accelerant CZ.
Preferably, the colouring agent mixes for one or both of titanium dioxide or ultramarine.
Preferably, described rubber composition, includes in parts by weight：
90 parts of natural rubber；2~8 parts of zinc oxide；60~70 parts of vulcanizing agent；2.5~3.0 parts of vulcanization accelerator；Carbon black
0.1~0.2 part of N330；30~50 parts of white carbon CB；8~12 parts of titanium dioxide；0.1~0.3 part of ultramarine；2~4 parts of machine oil；Increase
0.5~1.5 part of stick BN-1；0.5~1.5 part of anti-aging agent RD；0.5~1.5 part of paraffin；PEG4000 contents are 2~10wt%
White carbon CB contents.
Preferential, the paraffin is Wax-for preventing rubber.
It is further preferred that described rubber composition, includes in parts by weight：90 parts of natural rubber；5 parts of zinc oxide；Sulphur
1.8 parts of sulphur；15 parts of EPDM；50 parts of RC-15；1.5 parts of stearmide；1.2 parts of accelerant CZ；0.15 part of carbon black N330；In vain
40 parts of carbon black CB；4 parts of PEG4000；10 parts of titanium dioxide；0.2 part of ultramarine；3 parts of machine oil；1 part of tackifier BN-1；Anti-aging agent RD
1 part；1 part of paraffin.
Present invention also offers the method for producing above-mentioned rubber composition, including by described rubber composition except sulphur
Each component outside agent and vulcanization accelerator is kneaded, and vulcanizing agent and vulcanization accelerator are added to described after obtaining elastomeric compound
Elastomeric compound carries out vulcanizing treatment.
Present invention also offers a kind of colored tire, including above-mentioned rubber composition or produce what is obtained according to the above method
Rubber composition.
Technical scheme, have the following advantages that：
1. the rubber composition of the present invention, makees carry out activation process using PEG4000 to white carbon.In PEG4000 molecules
Hydroxyl condensation reaction directly occurs with the silicone hydroxyl of white carbon, reduce the quantity of white carbon surface silanol group, make white carbon
Hydrophobicity is changed into from hydrophily, reduces the suction-operated to accelerator etc., the reunion of particle is reduced, increases itself and rubber
Compatibility and dispersiveness, both has been obtained sufficient contact, so as to improve the curingprocess rate of sizing material；It is in addition, of the invention
Modified white carbon is added, by the vulcanizing group on white carbon surface, polymer is chemically bonded with filler, improves sulphur
Change the wearability of glue.
2. the rubber composition of the present invention, using the white carbon of high surface area, improves the wetland performance of sizing material, reduces
Rolling resistance.
3. the rubber composition of the present invention, contains EDPM and RC-15 vulcanizing agents.EDPM is single by ethene, propylene and the 3rd
The copolymerization of body non-conjugated diene forms, and main chain is saturated structures, and copolymer of the side chain containing unsaturated double-bond, EDPM and RC-15 vulcanize
Agent is used in combination, and accelerates the curingprocess rate of rubber, while can also prevent recovery, has been slowed down the aging of sizing material, has been extended rubber
Service life.
4. the rubber composition of the present invention, containing stearmide accelerator, the sizing material for promoting Tianjin using stearmide burns
Time is grown, and easy to operation, its facilitation effect is close with CZ, but price is only the 45%~65% of CZ, and stearmide is nontoxic, no
Easy to knot groups, it is easy to large-scale promotion application.Stearmide and the addition of CZ accelerator, shorten the cure time of rubber, reduce
The temperature of vulcanization, reduces the dosage of vulcanizing agent and improves the physical and mechanical properties of rubber.
5. the rubber composition of the present invention, containing coloring agent component, the addition of colouring agent, makes rubber in long-time Exposure to Sunlight bar
Also do not ftracture, change colour under part, extend the service life of rubber.
6. the production method of the rubber composition of the present invention, first white carbon is carried out at activation before each component mixing
Reason, makes white carbon be changed into hydrophobicity from hydrophily, reduces the suction-operated to accelerator etc., promotes it in the mixture
Soak and scattered, reduce the viscosity of sizing material, make sizing material process operation simple and easy, be easy to large-scale production and application.
Embodiment
Technical scheme will be clearly and completely described below, it is clear that described embodiment is this hair
Bright part of the embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
There is the every other embodiment made and obtained under the premise of creative work, belong to the scope of protection of the invention.In addition, below
As long as it is mutual not form conflict can each other for involved technical characteristic in described different embodiments of the present invention
With reference to.
In following embodiments, EDPA, trade mark EP4045, Mitsui petrochemistry Products；Accelerant CZ, Tianjin have
The factory's product of machine chemical industry one；Vulcanizing agent RC-15, Dongguan Ming Yongjiao industry Co., Ltd product；Stearmide, the prosperous chemical industry of Guangzhou wound brocade
Science and Technology Ltd.'s product.
Embodiment 1
A kind of rubber composition, including following component：
Natural rubber 90kg；Zinc oxide 20kg；Vulcanizing agent 60kg；Vulcanization accelerator 2.5kg；Carbon black N330 0.1kg；In vain
Carbon black CB 30kg；Titanium dioxide 8kg；Ultramarine 0.1kg；Machine oil 2kg；Tackifier BN-1 0.5kg；Anti-aging agent RD 0.5kg；Paraffin
0.5kg；PEG4000 0.6kg.
The production method of above-mentioned rubber composition is：
(1) in banbury, under 90rpm rotating speeds, natural rubber is kneaded 30s at 80 DEG C；
(2) rubber composition in addition to vulcanizing agent and accelerator is added, when being kneaded after sizing material temperature reaches 150 DEG C
Between reach 5min after unload sizing material；
(3) by sizing material roll spacing be 5mm, roller temperature be 50 ± DEG C mill on by the way that three times, the batch mixing glue of acquisition is put
Put 4h；
(4) the batch mixing glue that step (3) obtains and vulcanizing agent and accelerator are kneaded in the case where initial temperature is 40 ± 5 DEG C, treated
Mixing time unloads sizing material when reaching 5min；
(5) sizing material for obtaining step (4) in the mill that roll spacing is 0.5mm, roller temperature is 50 ± 5 DEG C by once,
Then roll spacing is adjusted to 3mm, then by 2 times, the elastomeric compound of acquisition is placed into 24h；
(6) sizing material by step (5) processing is vulcanized into 1h under 160 DEG C, 15Mpa pressure, obtains rubber composition.
Wherein：The preparation method of modified high-dispersion white carbon black is：PEG4000 is dissolved in the ethanol water that mass fraction is 70%
High-dispersion white carbon black is added after being well mixed in solution, itself and PEG4000 ethanol solution is sufficiently mixed, treats that ethanol is evaporated completely
Entirely after heating 5min in 140~150 DEG C of insulating boxs, cool down and produce modified high-dispersion white carbon black.
Experimental example 2
A kind of rubber composition, including following component：
Natural rubber 90kg；Zinc oxide 8kg；Vulcanizing agent 70kg；Vulcanization accelerator 3.0kg；Carbon black N330 0.2kg；Hard charcoal
Black CB 50kg；Titanium dioxide 12kg；Ultramarine 0.3kg；Machine oil 4kg；Tackifier BN-1 1.5kg；Anti-aging agent RD 1.5kg；Paraffin
1.5kg；PEG4000 5kg.
The production method of rubber composition is the same as embodiment 1 in this implementation.
Embodiment 3
A kind of rubber composition, including following component：
90 parts of natural rubber；5 parts of zinc oxide；1.8 parts of sulphur；15 parts of EPDM；50 parts of RC-15；1.5 parts of stearmide；
1.2 parts of accelerant CZ；0.15 part of carbon black N330；40 parts of white carbon CB；4 parts of PEG4000；10 parts of titanium dioxide；Ultramarine 0.2
Part；3 parts of machine oil；1 part of tackifier BN-1；1 part of anti-aging agent RD；1 part of paraffin.
The production method of rubber composition is the same as embodiment 1 in this implementation.
Embodiment 4
A kind of colored tire, include the rubber composition of embodiment 1-3 any embodiments.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (10)
1. a kind of rubber composition, including：Natural rubber, white carbon, vulcanizing agent, vulcanization accelerator, colouring agent, its feature exist
In the white carbon is modified high-dispersion white carbon black；
The preparation method of the modified high-dispersion white carbon black is：The PEG4000 of 2~10wt% white carbons is dissolved in into mass fraction is
High-dispersion white carbon black is added after being well mixed in 70% ethanol water, is sufficiently mixed itself and PEG4000 ethanol solution,
Treat that ethanol volatilization completely after heating 5min in 140~150 DEG C of insulating boxs, cools down and produces modified high-dispersion white carbon black.
2. rubber composition according to claim 1, it is characterised in that the white carbon specific surface area is 150~170m2/
G, oil factor are 25~300mL/100g.
3. rubber composition according to claim 1, it is characterised in that the vulcanizing agent be EPDM, vulcanizing agent RC-15 or
One or more of mixing in sulphur.
4. rubber composition according to claim 1, it is characterised in that the vulcanization accelerator is stearmide or promotion
One or both of agent CZ is mixed.
5. rubber composition according to claim 1, it is characterised in that the colouring agent is one in titanium dioxide or ultramarine
Kind or two kinds of mixing.
6. according to the rubber composition described in claim any one of 1-5, it is characterised in that in parts by weight, including：
90 parts of natural rubber；2~8 parts of zinc oxide；60~70 parts of vulcanizing agent；2.5~3.0 parts of vulcanization accelerator；Carbon black N330
0.1~0.2 part；30~50 parts of white carbon CB；8~12 parts of titanium dioxide；0.1~0.3 part of ultramarine；2~4 parts of machine oil；Tackifier
0.5~1.5 part of BN-1；0.5~1.5 part of anti-aging agent RD；0.5~1.5 part of paraffin；PEG4000 contents are white carbon CB contents
2~10wt%.
7. rubber composition according to claim 6, it is characterised in that the paraffin is Wax-for preventing rubber.
8. rubber composition according to claim 7, it is characterised in that in parts by weight, including：90 parts of natural rubber；
5 parts of zinc oxide；1.8 parts of sulphur；15 parts of EPDM；50 parts of RC-15；1.5 parts of stearmide；1.2 parts of accelerant CZ；Carbon black
0.15 part of N330；40 parts of white carbon CB；4 parts of PEG4000；10 parts of titanium dioxide；0.2 part of ultramarine；3 parts of machine oil；Tackifier BN-1
1 part；1 part of anti-aging agent RD；1 part of paraffin.
9. a kind of method for producing the rubber composition described in claim any one of 1-8, including by described rubber composition
In each component in addition to vulcanizing agent and vulcanization accelerator be kneaded, add vulcanizing agent after obtaining elastomeric compound and vulcanization promote
Agent carries out vulcanizing treatment to the elastomeric compound.
10. a kind of colored tire, including the rubber composition or according to claim 9 described in claim any one of 1-8
The rubber composition that method obtains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711040479.1A CN107674257A (en) | 2017-10-30 | 2017-10-30 | A kind of rubber composition, production method and the colored tire comprising said composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711040479.1A CN107674257A (en) | 2017-10-30 | 2017-10-30 | A kind of rubber composition, production method and the colored tire comprising said composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107674257A true CN107674257A (en) | 2018-02-09 |
Family
ID=61143721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711040479.1A Withdrawn CN107674257A (en) | 2017-10-30 | 2017-10-30 | A kind of rubber composition, production method and the colored tire comprising said composition |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110724315A (en) * | 2019-10-22 | 2020-01-24 | 戴文忠 | Lightning arrester insulating protective sleeve and preparation method thereof |
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| CN104387623A (en) * | 2014-08-15 | 2015-03-04 | 河北冠鹏橡胶脚轮制造有限公司 | Colorful rubber composition special for truckle body outer cladding and preparation technology thereof |
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| CN105273442A (en) * | 2014-12-11 | 2016-01-27 | 沈阳化工研究院有限公司 | Preparation method for high-dispersion deposition white carbon black |
| CN105348652A (en) * | 2014-08-19 | 2016-02-24 | 建大橡胶（中国）有限公司 | Anti-yellowing and anti-cracking tire tread and synthesis method thereof |
| CN105602018A (en) * | 2016-01-08 | 2016-05-25 | 建大橡胶（中国）有限公司 | Crazing-resistant colorful tire stock and synthesis method thereof |
| CN105713305A (en) * | 2016-04-26 | 2016-06-29 | 韩静静 | Rubber casing for electric power metrical information transmission |
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2017
- 2017-10-30 CN CN201711040479.1A patent/CN107674257A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102675702A (en) * | 2011-03-17 | 2012-09-19 | 宁波永信汽车部件制造有限公司 | Ultra-anti-fatigue rubber dust cover for ball joint of automobile front swing arm |
| CN103450508A (en) * | 2012-05-31 | 2013-12-18 | 建大橡胶（中国）有限公司 | Formula of tread of low-rolling-resistance tire and preparation method thereof |
| CN103450524A (en) * | 2012-06-01 | 2013-12-18 | 建大橡胶（中国）有限公司 | Formula and preparation method of snow tire |
| CN103627040A (en) * | 2013-11-03 | 2014-03-12 | 北京化工大学 | Method for preparing pretreated white carbon black/natural rubber composite material |
| CN104387623A (en) * | 2014-08-15 | 2015-03-04 | 河北冠鹏橡胶脚轮制造有限公司 | Colorful rubber composition special for truckle body outer cladding and preparation technology thereof |
| CN105348652A (en) * | 2014-08-19 | 2016-02-24 | 建大橡胶（中国）有限公司 | Anti-yellowing and anti-cracking tire tread and synthesis method thereof |
| CN105273442A (en) * | 2014-12-11 | 2016-01-27 | 沈阳化工研究院有限公司 | Preparation method for high-dispersion deposition white carbon black |
| CN105218881A (en) * | 2015-11-05 | 2016-01-06 | 常州卓源橡胶制品有限公司 | A kind of rubber overshoes vamp compounded rubber and preparation method thereof |
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| CN105713305A (en) * | 2016-04-26 | 2016-06-29 | 韩静静 | Rubber casing for electric power metrical information transmission |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110724315A (en) * | 2019-10-22 | 2020-01-24 | 戴文忠 | Lightning arrester insulating protective sleeve and preparation method thereof |
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Application publication date: 20180209 |
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