CN107075178A - Rubber composition for conveyor belt and the conveyer belt using the rubber composition - Google Patents
Rubber composition for conveyor belt and the conveyer belt using the rubber composition Download PDFInfo
- Publication number
- CN107075178A CN107075178A CN201580059398.9A CN201580059398A CN107075178A CN 107075178 A CN107075178 A CN 107075178A CN 201580059398 A CN201580059398 A CN 201580059398A CN 107075178 A CN107075178 A CN 107075178A
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- China
- Prior art keywords
- rubber
- weight
- rubber composition
- composition
- parts
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
- B65G15/32—Belts or like endless load-carriers made of rubber or plastics
-
- 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
- C08K3/02—Elements
- C08K3/06—Sulfur
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
-
- 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
- C08K2201/002—Physical properties
- C08K2201/006—Additives being defined by their surface area
Abstract
It is an object of the invention to provide the superior rubber composition for conveyor belt of a kind of abrasion performance, cutting resistance, and use the conveyer belt of the rubber composition.The present invention relates to a kind of rubber composition for conveyor belt and using the conveyer belt of the rubber composition, the rubber composition is that 50~100, weight average molecular weight is 5.1 × 10 relative to the Mooney viscosity at 100 DEG C comprising 20~80 weight %5~10.0 × 105Polybutadiene rubber 100 parts by weight rubber constituent, contain：N2 adsorption specific surface area is 115~160m2/ g, dibutyl phthalate oil absorption are the carbon black of 115~140mL/100g 45~70 parts by weight；And 0.3 parts by weight less than 2.0 parts by weight Sulfur.
Description
Technical field
The present invention relates to the conveyer belt of a kind of rubber composition for conveyor belt and the use rubber composition.
Background technology
In recent years, consider from environmental protection, it is desirable to which conveyer belt has longer service life.For it is such the problem of,
The rubber composition for the purpose of the abrasion performance life-span for improving conveyer belt is proposed in the past.For example, being recorded in patent document 1
The band rubber composition of a kind of conveyer belt, it is characterised in that as rubber constituent, include the poly- fourth synthesized by neodymium class catalyst
Diene rubber (claim 1).In addition, in the example of patent document 1, describing to the rubber for including polybutadiene rubber etc.
The rubber composition of composition addition carbon black, sulphur etc..
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2003-105136 publications
The content of the invention
Problems to be solved by the invention
The rubber-coated of conveyer belt (is particularly upper surface rubber-coated.It is same as below) because of the transported material with being carried
Rub and easily wear away, it is desirable to abrasion performance.At the same time, due to conveyer belt, also conveying has the thing in sharp keen portion sometimes
Product, therefore also require that its rubber-coated not easy damaged (cutting resistance is higher).The present inventors think the superior meeting of these performances
Make the life-span of covering band elongated.
Among these, the present inventors are prepared for rubber composition, but it is apparent that such rubber based on patent document 1
Composition can not meet the abrasion performance required recently, cutting resistance sometimes.
Therefore, it is an object of the invention to provide the superior conveyer belt building rubber compound of a kind of abrasion performance, cutting resistance
Thing, and use the conveyer belt of the rubber composition.
Technical scheme
Wei Xie Decision above mentioned problems, the present inventors are studied, as a result found with keen determination：By by polybutadiene rubber
Mooney viscosity and weight average molecular weight at 100 DEG C are located at particular range, by the N2 adsorption specific surface area of carbon black and adjacent benzene two
Formic acid dibutyl ester oil absorption is located at particular range, and the content of Sulfur is located at into particular range, can obtain regulation effect, and then complete
The present invention.
The present invention is realized based on above-mentioned opinion etc., is solved the above problems especially by following composition.
1st, a kind of rubber composition for conveyor belt, wherein, glued relative to the Mooney at 100 DEG C comprising 20~80 weight %
Degree is that 50~100, weight average molecular weight is 5.1 × 105~10.0 × 105Polybutadiene rubber 100 parts by weight rubber into
Point,
Contain：N2 adsorption specific surface area is 115~160m2/ g, dibutyl phthalate oil absorption are 115~140mL/
The carbon black of 100g 45~70 parts by weight；And
Sulfur of 0.3 parts by weight less than 2.0 parts by weight.
2nd, the rubber composition for conveyor belt according to above-mentioned 1, wherein, the weight average molecular weight is 5.5 × 105~
9.0×105。
3rd, the rubber composition for conveyor belt according to above-mentioned 1 or 2, wherein, the polybutadiene rubber passes through neodymium class
Catalyst is synthesized.
4th, a kind of conveyer belt, wherein, use the rubber composition for conveyor belt any one of above-mentioned 1 to 3.
5th, the conveyer belt according to above-mentioned 4, wherein, the rubber composition for conveyor belt is used for upper surface and coats rubber
Glue.
Beneficial effect
According to the present invention, it can provide abrasion performance, cutting resistance superior rubber composition for conveyor belt, and use should
The conveyer belt of rubber composition.
Brief description of the drawings
Fig. 1 is the profile of one of the preferred embodiment for showing schematically the conveyer belt of the present invention.
Embodiment
The present invention is described in detail below.
The number range that "~" represents it should be noted that in this manual, use refer to as lower limit and on
Limit value includes the scope of the numerical value before and after being recorded in "~".
In addition, in this manual, in the case where composition includes two or more materials, the content of mentioned component refers to
Total content of two or more materials.
[rubber composition]
The rubber composition for conveyor belt (composition of the invention) of the present invention is following rubber composition for conveyor belt：
Relative to the Mooney viscosity at 100 DEG C comprising 20~80 weight % be 50~100, weight average molecular weight be 5.1 ×
105~10.0 × 105Polybutadiene rubber 100 parts by weight rubber constituent,
Contain：N2 adsorption specific surface area is 115~160m2/ g, dibutyl phthalate oil absorption are 115~140mL/
The carbon black of 100g 45~70 parts by weight；And
Sulfur of 0.3 parts by weight less than 2.0 parts by weight.
The composition of the present invention is formed as such composition, it is taken as that can obtain desired effect.Although its reason
It is specifically unknown, but be substantially presumed as follows.
In the present invention, the weight average molecular weight of polybutadiene rubber is larger, and thinks the charcoal of such polybutadiene rubber
Black is dispersed relatively low.In view of the above-mentioned problems, the present inventors deduce：Use N2 adsorption specific surface area and phthalic acid
Dibutyl ester oil absorption is larger, that is particle diameter using the elementary particle for constituting carbon black is very small, structural height (High
Structure) carbon black of (the cohesion construction of agglomerate is flourishing), can make carbon black relative to the polybutadiene rubber of HMW
Dispersiveness, the processability of rubber composition are improved, and can obtain regulation effect.
In addition, the present inventors deduce：The content of Sulfur is in prescribed limit, thus makes above-mentioned polybutadiene rubber
State of cure (vulcanization) is appropriate, can obtain regulation effect.
Hereinafter, each composition contained in the composition of the present invention is described in detail.
<Rubber constituent>
The composition of the present invention contains rubber constituent, and rubber constituent includes defined polybutadiene rubber.(polybutadiene rubber
Glue)
Mooney viscosity (ML at 100 DEG C of polybutadiene rubber used in the composition of the present invention1+4100 DEG C of@) it is 50
~100, weight average molecular weight is 5.1 × 105~10.0 × 105。
Mooney viscosity (the ML of above-mentioned polybutadiene rubber1+4100 DEG C of@) it is preferably 50~90, more preferably 50~80.
In the present invention, the Mooney viscosity of polybutadiene rubber is to be based on JISK6300-1:Method described in 2001,
Measured under conditions of 100 DEG C.
The weight average molecular weight of above-mentioned polybutadiene rubber is preferably 5.5 × 105~9.0 × 105, more preferably 5.5 × 105
~8.0 × 105。
In the present invention, the weight average molecular weight of polybutadiene rubber is based on by the gel infiltration using hexamethylene as solvent
Polystyrene standard scaled value obtained from the measured value that chromatography (GPC) is obtained.
As the manufacture method of polybutadiene rubber, it can enumerate by using cobalt class catalyst and/or the catalysis of neodymium class
The method that catalyst as agent makes polymerizing butadiene and synthesized.It is not specially limited cobalt class catalyst, neodymium class catalyst.Cobalt class
Catalyst can be the compound with cobalt.Neodymium class catalyst can be the compound with neodymium (Nd).Wherein preferred neodymium class is urged
Agent.
Polybutadiene rubber can individually using or be used in combination.
(rubber beyond polybutadiene rubber)
In the present invention, it is not specially limited the rubber that rubber constituent can be included in addition to above-mentioned polybutadiene rubber.
For example, polydiene can be enumerated.Specifically, can for example enumerate natural rubber (NR), isoprene rubber (IR), it is above-mentioned with
Outer polybutadiene rubber (BR), aromatic ethenyl-conjugated diene copolymer rubber (such as butadiene-styrene rubber (SBR)), itrile group fourth
Diene rubber (NBR, acrylonitrile-butadiene rubber), butyl rubber (IIR), halogenated butyl rubber (such as Br-IIR, Cl-
IIR), neoprene (CR) etc..Wherein, preferably natural rubber, butadiene-styrene rubber.
The rubber constituent rubber that rubber constituent can be included in addition to above-mentioned polybutadiene rubber can individually use or
Person is used in combination.
In the present invention, the ratio of the polybutadiene rubber in rubber constituent is 20~80 weight %.Polybutadiene rubber
Ratio be preferably 30~70 weight %, more preferably 40~60 weight %.The remainder of aforementioned proportion can be used except above-mentioned
The rubber that rubber constituent can be included beyond polybutadiene rubber.
<Carbon black>
The N2 adsorption specific surface area of contained carbon black is 115~160m in the composition of the present invention2/ g, phthalic acid
Dibutyl ester oil absorption is 115~140ml/100g.
N2 adsorption specific surface area (the N of carbon black2SA) it is preferably 120~155m2/ g, more preferably 120~145m2/ g, enters one
Step is preferably 120~140m2/g。
In the present invention, the N2 adsorption specific surface area of carbon black is to be based on JISK6217-2:2001 are measured.
The dibutyl phthalate oil absorption (DBP oil absorptions) of carbon black is preferably 115~130mL/100g, more preferably
116~130mL/100g, more preferably 120~130mL/100g.
In the present invention, dibutyl phthalate oil absorption is to be based on JISK6217-4:2008 are measured.
As specific carbon black, for example, it can enumerate SAF, ISAF-HS.
Carbon black can individually using or be used in combination.
In the present invention, relative to the rubber constituent of 100 parts by weight, the content of carbon black is 45~70 parts by weight, is preferably
45~65 parts by weight, more preferably 45~55 parts by weight.
<Sulphur>
It is not particularly limited sulphur contained in the composition of the present invention.For example, known sulphur can be enumerated.
In the present invention, relative to the rubber constituent of 100 parts by weight, the content of sulphur for 0.3 parts by weight less than
2.0 parts by weight, preferably 0.8~1.5 parts by weight, more preferably 1.0~1.5 parts by weight.
<Additive>
In the range of effect of the invention, purpose is not damaged, composition of the invention is in addition to above-mentioned each composition, also
Additive can be contained.As additive, can for example enumerate as defined in carbon black beyond carbon black, anti-aging as age resister 6C
Agent, zinc oxide, stearic acid, processing aid, paraffin (Paraffin wax), champignon oil, liquid polymer, terpenoid resin, heat
Vulcanizing agent, vulcanization aid, vulcanization accelerator and vulcanization retarder beyond curable resin, sulphur.
It is not specially limited the manufacture of the composition of the present invention.For example, can by by above-mentioned each composition (except Sulfur etc.
Vulcanizing agent, vulcanization accelerator) kneaded in Banbury mixer etc., then, the sulphur such as Sulfur are added in obtained mixture
Agent, vulcanization accelerator are simultaneously kneaded and manufactured in mixing kneader etc..
In addition, being not specially limited the condition of vulcanization.For example, can be by heating, pressurizeing under conditions of 140~160 DEG C
To be vulcanized.
The composition of the present invention can serve as the rubber composition for manufacturing conveyer belt.
[conveyer belt]
The conveyer belt of the present invention is the conveyer belt of the rubber composition for conveyor belt using the present invention.The conveyer belt of the present invention
It is not specially limited in addition to using the composition of the present invention.
As the mode of the conveyer belt of the present invention, for example, it can enumerate and possess upper surface cladding rubber layer, lower surface cladding rubber
Glue-line and enhancement layer, and the conveyer belt with enhancement layer between upper surface cladding rubber layer and lower surface cladding rubber layer.
The composition of the present invention can be used for appointing for upper surface cladding rubber layer, lower surface cladding rubber layer and enhancement layer
One layer.Wherein, the composition of the present invention is preferably used for upper surface cladding rubber layer.
Hereinafter, the conveyer belt of the present invention is illustrated using accompanying drawing.It should be noted that the present invention is not limited to accompanying drawing.
Fig. 1 is the profile of one of the preferred embodiment for showing schematically the conveyer belt of the present invention.
In Fig. 1, conveyer belt 1 has upper surface cladding rubber layer 2, enhancement layer 3 and lower surface cladding rubber layer 4, and
It is laminated successively.The surface of upper surface cladding rubber layer 2 is formed as carrying thing conveyor surface 5.Preferably use the combination of the present invention
Thing forms upper surface cladding rubber layer 2.
As shown in figure 1, in the case where upper surface cladding rubber layer has more than two layers of layer, the group of the present invention can be used
Compound forms at least one layer of or all layer in more than two layers of the layer.Furthermore it is preferred that at least outermost layer uses the present invention's
Composition is formed.
In Fig. 1, upper surface cladding rubber layer 2 has outer layer 11 and internal layer 12.It can be come using the composition of the present invention
Outer layer 11 and/or internal layer 12 are formed, preferably at least outer layer 11 is formed using the composition of the present invention.
Using the present invention composition come in the case of forming outer layer 11, can be using internal layer 12 as being used to be bonded enhancement layer
3 and the layer of outer layer 11.
It is not specially limited rubber composition used in lower surface cladding rubber layer.
Lower surface cladding rubber layer 4 has outer layer 16 and internal layer 15.Outer layer 16 and internal layer 15 can also use it is identical or
Different rubber composition is formed.
Enhancement layer is not particularly limited, the enhancement layer used in common conveyer belt can be properly selected to use.In addition,
The shape of enhancement layer is not particularly limited, can also be for example shown in Fig. 1 in the form of sheets.In addition it is also possible to which the line feeder of wire is arranged side by side
It is embedded in enhancement layer (not shown).
The thickness of upper surface cladding rubber layer is preferably 3~25mm.The thickness of lower surface cladding rubber layer is preferably 3~
20mm, more preferably 5~15mm.It should be noted that in upper surface cladding rubber layer by the case that more than two layers is constituted, on
The thickness of Surface coating rubber layer can be set to the aggregate thickness of these layers.The thickness of lower surface cladding rubber layer is also identical.
It is not specially limited the manufacture method of the conveyer belt of the present invention.For example, it may include known manufacture method.
The conveyer belt of the present invention can for example be used to convey lime stone.
Example
Hereinafter, example is indicated, and specifically describes the present invention.But, the present invention is not limited to these examples.
<The manufacture of composition>
With the composition (parts by weight) shown in following 1st tables, composition is produced using the composition shown in following 2nd tables.Tool
It is first that the composition in the composition shown in following 1st tables in addition to Sulfur and vulcanization accelerator is close in Banbury for body
Mixed in mill 5 minutes, Sulfur and vulcanization accelerator are then added in obtained mixture and is mixed using roller, is made
Produce composition.
<Evaluate the manufacture with vulcanization sheet rubber>
The composition manufactured as described above (unvulcanized) is shaped to sheet, with 148 DEG C of heat cures, 30 minutes (cutting resistances
With being 40 minutes in the case of test piece), produce vulcanization sheet rubber.
<Evaluate>
Following evaluate is carried out using the vulcanization sheet rubber manufactured as described above.It the results are shown in the 1st table.
Abrasion performance (DIN abrasion tests)
Based on method described in DIN53516, DIN abrasion examinations are carried out at ambient temperature using DIN abrasiometers
Test, measure the wear volume (DIN abrasion) of above-mentioned vulcanization sheet rubber.
By relative to abrasion body volume, measuring as described above for vulcanizing sheet rubber used in DIN abrasion tests
Long-pending ratio (volume %), is indicated as the result of abrasion performance.
In the case where above-mentioned ratio is below 25 volume %, abrasion performance is superior.
Cutting resistance
To the vulcanization sheet rubber (vertical 100mm × horizontal 20mm × high 40mm) manufactured as described above, at room temperature, make cutter
(length of blade is 100mm, and the top angle at point of a knife 2mm places is 20 °, and weight is 8kg) is from the 25cm of above-mentioned vulcanization sheet rubber
Top is fallen naturally to above-mentioned vulcanization sheet rubber, measures the depth (mm) in the crackle produced by vulcanization sheet rubber.
In the case where above-mentioned depth is below 10mm, cutting resistance is superior.
[table 1]
[table 2]
Each composition shown in 1st table is specific as follows.
[table 3]
Result according to the 1st table, it is clear that：It is poly- beyond prescribed limit containing Mooney viscosity and weight average molecular weight
The amount of butadiene rubber and carbon black is more relatively low than abrasion performance, the cutting resistance for providing few comparative example 1.
The cutting resistance that the comparative example 2 of the content of carbon black is added compared with comparative example 1 is relatively low.
Abrasion performance, the cutting resistance of comparative example 3,7 of the content of Sulfur more than prescribed limit are relatively low.
It is that polybutadiene rubber and N2 adsorption specific surface area beyond prescribed limit is prescribed limit containing Mooney viscosity
Abrasion performance, the cutting resistance of the comparative example 4 of carbon black and the content of Sulfur more than prescribed limit in addition are relatively low.
Cutting resistance containing the comparative example 5 that Mooney viscosity is the polybutadiene rubber beyond prescribed limit is relatively low.
Containing the abrasion performance of comparative example 6, cutting resistance that N2 adsorption specific surface area is the carbon black beyond prescribed limit compared with
It is low.
On the other hand, the abrasion performance of example 1~3, cutting resistance are superior.
In addition, when example 1,2 is compared, the regulation effect of example 2 is more superior than the regulation effect of example 1.By
It is 6.0 × 10 in the weight average molecular weight of polybutadiene rubber knowable to this5~10.0 × 105Situation, Mooney viscosity be 55~100
Situation or polybutadiene rubber be that abrasion performance, cutting resistance are more superior in the case of being manufactured using neodymium class catalyst.
In addition, when example 2,3 is compared, the abrasion performance of example 3 is more superior than the abrasion performance of example 2.By
It is 120~140m in the N2 adsorption specific surface area of carbon black knowable to this2/ g situation and/or dibutyl phthalate oil absorption
In the case of 120~130mL/100g, abrasion performance is more superior.
Symbol description
1：Conveyer belt
2：Upper surface cladding rubber layer
3：Enhancement layer
4：Lower surface cladding rubber layer
5：Carry thing conveyor surface
11、16：Outer layer
12、15：Internal layer
Claims (5)
1. a kind of rubber composition for conveyor belt, wherein,
It is that 50~100, weight average molecular weight is 5.1 × 10 relative to the Mooney viscosity at 100 DEG C comprising 20~80 weight %5~
10.0×105Polybutadiene rubber 100 parts by weight rubber constituent,
Contain：N2 adsorption specific surface area is 115~160m2/ g, dibutyl phthalate oil absorption are 115~140mL/100g
45~70 parts by weight carbon black；And
Sulfur of 0.3 parts by weight less than 2.0 parts by weight.
2. rubber composition for conveyor belt according to claim 1, wherein,
The weight average molecular weight is 5.5 × 105~9.0 × 105。
3. rubber composition for conveyor belt according to claim 1 or 2, wherein,
The polybutadiene rubber is synthesized by neodymium class catalyst.
4. a kind of conveyer belt, wherein,
Rubber composition for conveyor belt any one of usage right requirement 1 to 3.
5. conveyer belt according to claim 4, wherein,
The rubber composition for conveyor belt is used for upper surface rubber-coated.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-225414 | 2014-11-05 | ||
| JP2014225414A JP6467873B2 (en) | 2014-11-05 | 2014-11-05 | Rubber composition for conveyor belt and conveyor belt using the same |
| PCT/JP2015/074521 WO2016072134A1 (en) | 2014-11-05 | 2015-08-28 | Rubber composition for conveyor belts, and conveyor belt using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107075178A true CN107075178A (en) | 2017-08-18 |
Family
ID=55908864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580059398.9A Pending CN107075178A (en) | 2014-11-05 | 2015-08-28 | Rubber composition for conveyor belt and the conveyer belt using the rubber composition |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6467873B2 (en) |
| CN (1) | CN107075178A (en) |
| AU (1) | AU2015344658B2 (en) |
| WO (1) | WO2016072134A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018110396A1 (en) * | 2016-12-13 | 2018-06-21 | 株式会社ブリヂストン | Rubber composition, cover rubber for conveyer belt, and conveyer belt |
| US20200131343A1 (en) * | 2017-03-14 | 2020-04-30 | The Yokohama Rubber Co., Ltd. | Rubber composition for conveyor belt and conveyor belt |
| JP6952234B2 (en) * | 2017-05-10 | 2021-10-20 | 横浜ゴム株式会社 | Rubber composition for conveyor belts and conveyor belts |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006199892A (en) * | 2005-01-24 | 2006-08-03 | Bridgestone Corp | Rubber composition for conveyor belt, rubber for conveyor belt cover, and conveyor belt |
| CN1948375A (en) * | 2005-10-11 | 2007-04-18 | 住友橡胶工业株式会社 | Rubber composition for tire tread |
| CN103562295A (en) * | 2011-05-30 | 2014-02-05 | 住友橡胶工业株式会社 | Rubber composition for tread, and pneumatic tire |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69735235T2 (en) * | 1996-05-16 | 2006-07-27 | Columbian Chemicals Company | ROUGH FOR MOTOR VEHICLES AND THE COMPOSITIONS CONTAINING THEM |
| JP2005523967A (en) * | 2002-04-23 | 2005-08-11 | ピレリ・プネウマティチ・ソチエタ・ペル・アツィオーニ | Tire having high abrasion resistance, tread band used for tire and elastomer composition |
| JP5044683B2 (en) * | 2010-08-26 | 2012-10-10 | 住友ゴム工業株式会社 | Rubber composition for canvas chafer and pneumatic tire |
| EP2803698B1 (en) * | 2012-01-13 | 2017-01-04 | Bridgestone Corporation | Rubber composition for conveyor belts, rubber for conveyor belt covers, and conveyor belt |
| JP6009921B2 (en) * | 2012-12-04 | 2016-10-19 | 住友ゴム工業株式会社 | Rubber composition for tire and pneumatic tire |
| JP5933497B2 (en) * | 2013-09-17 | 2016-06-08 | 住友ゴム工業株式会社 | Pneumatic tire |
-
2014
- 2014-11-05 JP JP2014225414A patent/JP6467873B2/en active Active
-
2015
- 2015-08-28 CN CN201580059398.9A patent/CN107075178A/en active Pending
- 2015-08-28 AU AU2015344658A patent/AU2015344658B2/en active Active
- 2015-08-28 WO PCT/JP2015/074521 patent/WO2016072134A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006199892A (en) * | 2005-01-24 | 2006-08-03 | Bridgestone Corp | Rubber composition for conveyor belt, rubber for conveyor belt cover, and conveyor belt |
| CN1948375A (en) * | 2005-10-11 | 2007-04-18 | 住友橡胶工业株式会社 | Rubber composition for tire tread |
| CN103562295A (en) * | 2011-05-30 | 2014-02-05 | 住友橡胶工业株式会社 | Rubber composition for tread, and pneumatic tire |
Non-Patent Citations (1)
| Title |
|---|
| JSR株式会社: "《JSR株式会社，产品信息，聚丁二烯橡胶/BR》", 2 July 2013 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6467873B2 (en) | 2019-02-13 |
| AU2015344658B2 (en) | 2018-11-08 |
| WO2016072134A1 (en) | 2016-05-12 |
| JP2016089046A (en) | 2016-05-23 |
| AU2015344658A1 (en) | 2017-06-22 |
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