CN105440339A - Anti-aging rubber ring material composition and anti-aging rubber ring preparation method - Google Patents

Anti-aging rubber ring material composition and anti-aging rubber ring preparation method Download PDF

Info

Publication number
CN105440339A
CN105440339A CN201510976141.1A CN201510976141A CN105440339A CN 105440339 A CN105440339 A CN 105440339A CN 201510976141 A CN201510976141 A CN 201510976141A CN 105440339 A CN105440339 A CN 105440339A
Authority
CN
China
Prior art keywords
weight part
consumption
rubber
content
preparation
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.)
Pending
Application number
CN201510976141.1A
Other languages
Chinese (zh)
Inventor
夏坤财
余晓炜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhu Hengkun Auto Parts Co Ltd
Original Assignee
Wuhu Hengkun Auto Parts Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhu Hengkun Auto Parts Co Ltd filed Critical Wuhu Hengkun Auto Parts Co Ltd
Priority to CN201510976141.1A priority Critical patent/CN105440339A/en
Publication of CN105440339A publication Critical patent/CN105440339A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L7/00Compositions of natural rubber
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The present invention discloses an anti-aging rubber ring material composition and an anti-aging rubber ring preparation method. The anti-aging rubber ring material composition comprises, by weight, 100 parts of a natural rubber, 30-70 parts of styrene butadiene rubber, 10-30 parts f ethylene propylene diene monomer, 5-20 parts of a coumatone resin, 1-10 parts of sulphur, 1-5 parts of nanometer magnesium oxide, 1-5 parts of nanometer zinc oxide, 5-15 parts of paraffin, and 5-15 parts of calcium carbonate. According to the present invention, with the technical scheme, the effects of effective aging resistance, substantial service life prolonging, use cost reducing and maintenance cost reducing are achieved.

Description

The preparation method of ageing-resistant rubber loop material composition and ageing-resistant rubber circle
Technical field
The present invention relates to the manufacture field of rubber ring, particularly, relate to the preparation method of a kind of ageing-resistant rubber loop material composition and ageing-resistant rubber circle.
Background technology
The component that rubber ring is commonly used as automobile, use is had in many parts of automobile, such as, automobile clutch etc., but, often because temperature in automobile is higher, in environment, impurity etc. are more, make rubber ring in use very easily the phenomenons such as aging occur, and and then make to need often to change rubber ring, not only waste time and energy, and considerably increase maintenance cost.
Therefore, provide one can be effectively ageing-resistant, greatly improve work-ing life, reducing use cost and the ageing-resistant rubber loop material composition of maintenance cost and the preparation method of ageing-resistant rubber circle be the problem that the present invention needs solution badly.
Summary of the invention
For above-mentioned prior art, the object of the invention is to overcome in prior art often because temperature in automobile is higher, in environment, impurity etc. are more, rubber ring is made in use very easily the phenomenons such as aging to occur, and and then make to need often to change rubber ring, not only waste time and energy, and considerably increase the problem of maintenance cost, thus provide one can be effectively ageing-resistant, greatly improve work-ing life, reduce use cost and the ageing-resistant rubber loop material composition of maintenance cost and the preparation method of ageing-resistant rubber circle.
To achieve these goals, the invention provides a kind of ageing-resistant rubber loop material composition, wherein, described composition comprises natural rubber, styrene-butadiene rubber(SBR), terpolymer EP rubber, coumarone indene resin, sulphur, nano magnesia, nano zine oxide, paraffin and calcium carbonate; Wherein,
Relative to the described natural rubber of 100 weight parts, the content of described styrene-butadiene rubber(SBR) is 30-70 weight part, the content of described terpolymer EP rubber is 10-30 weight part, the content of described coumarone indene resin is 5-20 weight part, the content of described sulphur is 1-10 weight part, and the content of described nano magnesia is 1-5 weight part, and the content of described nano zine oxide is 1-5 weight part, the content of described paraffin is 5-15 weight part, and the content of described calcium carbonate is 5-15 weight part.
Present invention also offers a kind of preparation method of ageing-resistant rubber circle, wherein, described preparation method comprises: by extrusion moulding after natural rubber, styrene-butadiene rubber(SBR), terpolymer EP rubber, coumarone indene resin, sulphur, nano magnesia, nano zine oxide, paraffin and calcium carbonate mixed smelting, obtained ageing-resistant rubber circle; Wherein,
Relative to the described natural rubber of 100 weight parts, the consumption of described styrene-butadiene rubber(SBR) is 30-70 weight part, the consumption of described terpolymer EP rubber is 10-30 weight part, the consumption of described coumarone indene resin is 5-20 weight part, the consumption of described sulphur is 1-10 weight part, and the consumption of described nano magnesia is 1-5 weight part, and the consumption of described nano zine oxide is 1-5 weight part, the consumption of described paraffin is 5-15 weight part, and the consumption of described calcium carbonate is 5-15 weight part.
Pass through technique scheme, natural rubber, styrene-butadiene rubber(SBR), terpolymer EP rubber, coumarone indene resin, sulphur, nano magnesia, nano zine oxide, paraffin and calcium carbonate mix rear according to certain ratio and carry out melting by the present invention, then by the mixture extrusion moulding after melting, obtained rubber ring, thus make the rubber ring obtained by the way effectively can improve ageing-resistant performance when reality uses, greatly improve and reduce use cost work-ing life.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Embodiment
Below the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
The invention provides a kind of ageing-resistant rubber loop material composition, wherein, described composition comprises natural rubber, styrene-butadiene rubber(SBR), terpolymer EP rubber, coumarone indene resin, sulphur, nano magnesia, nano zine oxide, paraffin and calcium carbonate; Wherein,
Relative to the described natural rubber of 100 weight parts, the content of described styrene-butadiene rubber(SBR) is 30-70 weight part, the content of described terpolymer EP rubber is 10-30 weight part, the content of described coumarone indene resin is 5-20 weight part, the content of described sulphur is 1-10 weight part, and the content of described nano magnesia is 1-5 weight part, and the content of described nano zine oxide is 1-5 weight part, the content of described paraffin is 5-15 weight part, and the content of described calcium carbonate is 5-15 weight part.
Above-mentioned design is by mixing rear by natural rubber, styrene-butadiene rubber(SBR), terpolymer EP rubber, coumarone indene resin, sulphur, nano magnesia, nano zine oxide, paraffin and calcium carbonate according to certain ratio and carrying out melting, then by the mixture extrusion moulding after melting, obtained rubber ring, thus make the rubber ring obtained by the way effectively can improve ageing-resistant performance when reality uses, greatly improve and reduce use cost work-ing life.
One of the present invention preferred embodiment in, in order to make the ageing-resistant performance of the rubber ring obtained better, relative to the described natural rubber of 100 weight parts, the content of described styrene-butadiene rubber(SBR) is 40-60 weight part, the content of described terpolymer EP rubber is 15-25 weight part, the content of described coumarone indene resin is 10-15 weight part, the content of described sulphur is 3-7 weight part, the content of described nano magnesia is 2-4 weight part, the content of described nano zine oxide is 2-4 weight part, the content of described paraffin is 8-12 weight part, the content of described calcium carbonate is 8-12 weight part.
One of the present invention more preferred embodiment in, described composition can also comprise processing aid.
The processing aid type that the type of described processing aid can select this area routine to use, such as, one of the present invention preferred embodiment in, described processing aid can be selected from oxidation inhibitor, anti-aging agent, promotor and anti ultraviolet agent one or more.
Present invention also offers a kind of preparation method of ageing-resistant rubber circle, wherein, described preparation method comprises: by extrusion moulding after natural rubber, styrene-butadiene rubber(SBR), terpolymer EP rubber, coumarone indene resin, sulphur, nano magnesia, nano zine oxide, paraffin and calcium carbonate mixed smelting, obtained ageing-resistant rubber circle; Wherein,
Relative to the described natural rubber of 100 weight parts, the consumption of described styrene-butadiene rubber(SBR) is 30-70 weight part, the consumption of described terpolymer EP rubber is 10-30 weight part, the consumption of described coumarone indene resin is 5-20 weight part, the consumption of described sulphur is 1-10 weight part, and the consumption of described nano magnesia is 1-5 weight part, and the consumption of described nano zine oxide is 1-5 weight part, the consumption of described paraffin is 5-15 weight part, and the consumption of described calcium carbonate is 5-15 weight part.
One of the present invention preferred embodiment in, in order to make the rubber ring ageing-resistant performance that obtains better, relative to the described natural rubber of 100 weight parts, the consumption of described styrene-butadiene rubber(SBR) is 40-60 weight part, the consumption of described terpolymer EP rubber is 15-25 weight part, the consumption of described coumarone indene resin is 10-15 weight part, the consumption of described sulphur is 3-7 weight part, the consumption of described nano magnesia is 2-4 weight part, the consumption of described nano zine oxide is 2-4 weight part, the consumption of described paraffin is 8-12 weight part, the consumption of described calcium carbonate is 8-12 weight part.
The mode that described fusion process can adopt according to this area routine operate, such as, one of the present invention preferred embodiment in, described fusion process can be carry out melting under the condition of 200-280 DEG C for being placed in temperature.
One of the present invention more preferred embodiment in, in order to make the rubber ring that obtains better shaping, described preparation method cools after can also being included in extrusion moulding.
Described process of cooling can be arranged according to the mode of this area routine, such as, one of the present invention preferred embodiment in, described process of cooling is quenching.
One of the present invention more preferred embodiment in, described preparation method can also comprise and add processing aid and carry out melting, described processing aid be selected from oxidation inhibitor, anti-aging agent, promotor and anti ultraviolet agent one or more.
Below will be described the present invention by embodiment.In following examples, described natural rubber, described styrene-butadiene rubber(SBR), described terpolymer EP rubber, described coumarone indene resin, described sulphur, described nano magnesia, described nano zine oxide, described paraffin and described calcium carbonate are conventional commercial product.
Embodiment 1
The mixing of 100g natural rubber, 40g styrene-butadiene rubber(SBR), 15g terpolymer EP rubber, 10g coumarone indene resin, 3g sulphur, 2g nano magnesia, 2g nano zine oxide, 8g paraffin and 8g calcium carbonate being placed on temperature is extrusion moulding after melting under the condition of 200 DEG C, then blow cooling, obtained ageing-resistant rubber circle A1.
Embodiment 2
The mixing of 100g natural rubber, 60g styrene-butadiene rubber(SBR), 25g terpolymer EP rubber, 15g coumarone indene resin, 7g sulphur, 4g nano magnesia, 4g nano zine oxide, 12g paraffin and 12g calcium carbonate being placed on temperature is extrusion moulding after melting under the condition of 280 DEG C, then blow cooling, obtained ageing-resistant rubber circle A2.
Embodiment 3
The mixing of 100g natural rubber, 50g styrene-butadiene rubber(SBR), 20g terpolymer EP rubber, 12g coumarone indene resin, 5g sulphur, 3g nano magnesia, 3g nano zine oxide, 10g paraffin and 10g calcium carbonate being placed on temperature is extrusion moulding after melting under the condition of 240 DEG C, then blow cooling, obtained ageing-resistant rubber circle A3.
Embodiment 4
Be prepared according to the preparation method of embodiment 1, unlike, the consumption of described styrene-butadiene rubber(SBR) is 30g, and the consumption of described terpolymer EP rubber is 10g, and the consumption of described coumarone indene resin is 5g, the consumption of described sulphur is 1g, the consumption of described nano magnesia is 1g, and the consumption of described nano zine oxide is 1g, and the consumption of described paraffin is 5g, the consumption of described calcium carbonate is 5g, obtained ageing-resistant rubber circle A4.
Embodiment 5
Be prepared according to the preparation method of embodiment 2, unlike, the consumption of described styrene-butadiene rubber(SBR) is 70g, and the consumption of described terpolymer EP rubber is 30g, and the consumption of described coumarone indene resin is 20g, the consumption of described sulphur is 10g, the consumption of described nano magnesia is 5g, and the consumption of described nano zine oxide is 5g, and the consumption of described paraffin is 15g, the consumption of described calcium carbonate is 15g, obtained ageing-resistant rubber circle A5.
Comparative example 1
Be prepared according to the preparation method of embodiment 3, unlike, the consumption of described styrene-butadiene rubber(SBR) is 10g, and the consumption of described terpolymer EP rubber is 5g, and the consumption of described coumarone indene resin is 2g, the consumption of described sulphur is 0.5g, the consumption of described nano magnesia is 0.5g, and the consumption of described nano zine oxide is 0.5g, and the consumption of described paraffin is 2g, the consumption of described calcium carbonate is 2g, obtained rubber ring D1.
Comparative example 2
Be prepared according to the preparation method of embodiment 3, unlike, the consumption of described styrene-butadiene rubber(SBR) is 100g, and the consumption of described terpolymer EP rubber is 50g, and the consumption of described coumarone indene resin is 40g, the consumption of described sulphur is 20g, the consumption of described nano magnesia is 10g, and the consumption of described nano zine oxide is 10g, and the consumption of described paraffin is 30g, the consumption of described calcium carbonate is 30g, obtained rubber ring D2.
Test case
Above-mentioned A1-A5, D1 and D2 being placed in respectively temperature is place 1 day under the condition of 120 DEG C, and detect its degree of aging, carry out acid mist experiment simultaneously, detect its degree of aging, the result obtained is as shown in table 1.
Table 1
Numbering 120℃ Acid mist is tested
A1 Unaged Unaged
A2 Unaged Unaged
A3 Unaged Unaged
A4 Unaged Without obviously aging
A5 Without obviously aging Unaged
D1 Obviously aging Obviously aging
D2 Obviously aging Obviously aging
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out arbitrary combination between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.

Claims (10)

1. an ageing-resistant rubber loop material composition, is characterized in that, described composition comprises natural rubber, styrene-butadiene rubber(SBR), terpolymer EP rubber, coumarone indene resin, sulphur, nano magnesia, nano zine oxide, paraffin and calcium carbonate; Wherein,
Relative to the described natural rubber of 100 weight parts, the content of described styrene-butadiene rubber(SBR) is 30-70 weight part, the content of described terpolymer EP rubber is 10-30 weight part, the content of described coumarone indene resin is 5-20 weight part, the content of described sulphur is 1-10 weight part, and the content of described nano magnesia is 1-5 weight part, and the content of described nano zine oxide is 1-5 weight part, the content of described paraffin is 5-15 weight part, and the content of described calcium carbonate is 5-15 weight part.
2. composition according to claim 1, wherein, relative to the described natural rubber of 100 weight parts, the content of described styrene-butadiene rubber(SBR) is 40-60 weight part, the content of described terpolymer EP rubber is 15-25 weight part, the content of described coumarone indene resin is 10-15 weight part, the content of described sulphur is 3-7 weight part, the content of described nano magnesia is 2-4 weight part, the content of described nano zine oxide is 2-4 weight part, the content of described paraffin is 8-12 weight part, and the content of described calcium carbonate is 8-12 weight part.
3. composition according to claim 1 and 2, wherein, described composition also comprises processing aid.
4. composition according to claim 3, wherein, described processing aid be selected from oxidation inhibitor, anti-aging agent, promotor and anti ultraviolet agent one or more.
5. the preparation method of an ageing-resistant rubber circle, it is characterized in that, described preparation method comprises: by extrusion moulding after natural rubber, styrene-butadiene rubber(SBR), terpolymer EP rubber, coumarone indene resin, sulphur, nano magnesia, nano zine oxide, paraffin and calcium carbonate mixed smelting, obtained ageing-resistant rubber circle; Wherein,
Relative to the described natural rubber of 100 weight parts, the consumption of described styrene-butadiene rubber(SBR) is 30-70 weight part, the consumption of described terpolymer EP rubber is 10-30 weight part, the consumption of described coumarone indene resin is 5-20 weight part, the consumption of described sulphur is 1-10 weight part, and the consumption of described nano magnesia is 1-5 weight part, and the consumption of described nano zine oxide is 1-5 weight part, the consumption of described paraffin is 5-15 weight part, and the consumption of described calcium carbonate is 5-15 weight part.
6. preparation method according to claim 5, wherein, relative to the described natural rubber of 100 weight parts, the consumption of described styrene-butadiene rubber(SBR) is 40-60 weight part, the consumption of described terpolymer EP rubber is 15-25 weight part, the consumption of described coumarone indene resin is 10-15 weight part, the consumption of described sulphur is 3-7 weight part, the consumption of described nano magnesia is 2-4 weight part, the consumption of described nano zine oxide is 2-4 weight part, the consumption of described paraffin is 8-12 weight part, and the consumption of described calcium carbonate is 8-12 weight part.
7. the preparation method according to claim 5 or 6, wherein, described fusion process is that to be placed in temperature be carry out melting under the condition of 200-280 DEG C.
8. the preparation method according to claim 5 or 6, wherein, described preparation method cools after being also included in extrusion moulding.
9. preparation method according to claim 8, wherein, described process of cooling is quenching.
10. the preparation method according to claim 5 or 6, wherein, described preparation method also comprises and adds processing aid and carry out melting, described processing aid be selected from oxidation inhibitor, anti-aging agent, promotor and anti ultraviolet agent one or more.
CN201510976141.1A 2015-12-22 2015-12-22 Anti-aging rubber ring material composition and anti-aging rubber ring preparation method Pending CN105440339A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510976141.1A CN105440339A (en) 2015-12-22 2015-12-22 Anti-aging rubber ring material composition and anti-aging rubber ring preparation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510976141.1A CN105440339A (en) 2015-12-22 2015-12-22 Anti-aging rubber ring material composition and anti-aging rubber ring preparation method

Publications (1)

Publication Number Publication Date
CN105440339A true CN105440339A (en) 2016-03-30

Family

ID=55551009

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510976141.1A Pending CN105440339A (en) 2015-12-22 2015-12-22 Anti-aging rubber ring material composition and anti-aging rubber ring preparation method

Country Status (1)

Country Link
CN (1) CN105440339A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105713247A (en) * 2016-04-27 2016-06-29 芜湖真空科技有限公司 Rubber ring material composition for transporting roller and preparation method of rubber ring
CN106189240A (en) * 2016-07-22 2016-12-07 长泰鑫润橡塑有限公司 A kind of ageing-resistant rubber ring and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101481473A (en) * 2008-01-07 2009-07-15 严晓敏 Rubber composition and product thereof
CN102585732A (en) * 2012-02-14 2012-07-18 无锡宝通带业股份有限公司 Intermediate adhesive for high-heat-resistant conveying belt and preparation method thereof
CN104277250A (en) * 2014-05-26 2015-01-14 安徽宁国尚鼎橡塑制品有限公司 Preparation process of rubber material for seal ring of automobile
CN105086007A (en) * 2015-08-13 2015-11-25 枞阳县金源汽车零部件有限公司 Rubber material for car vibration reducing part and production method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101481473A (en) * 2008-01-07 2009-07-15 严晓敏 Rubber composition and product thereof
CN102585732A (en) * 2012-02-14 2012-07-18 无锡宝通带业股份有限公司 Intermediate adhesive for high-heat-resistant conveying belt and preparation method thereof
CN104277250A (en) * 2014-05-26 2015-01-14 安徽宁国尚鼎橡塑制品有限公司 Preparation process of rubber material for seal ring of automobile
CN105086007A (en) * 2015-08-13 2015-11-25 枞阳县金源汽车零部件有限公司 Rubber material for car vibration reducing part and production method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105713247A (en) * 2016-04-27 2016-06-29 芜湖真空科技有限公司 Rubber ring material composition for transporting roller and preparation method of rubber ring
CN106189240A (en) * 2016-07-22 2016-12-07 长泰鑫润橡塑有限公司 A kind of ageing-resistant rubber ring and preparation method thereof

Similar Documents

Publication Publication Date Title
EP2730609B1 (en) Rubber compositions for bead apex, sidewall packing, base tread, breaker cushion, steel cord topping, strip adjacent to steel cords, tie gum, and sidewall, and pneumatic tires
EP3228657B1 (en) Pneumatic tire
EP3421535B1 (en) Rubber composition and pneumatic tire
JP7264172B2 (en) pneumatic tire
EP3176001A1 (en) Rubber composition for tire and pneumatic tire
CN105778177A (en) Tread rubber material for passenger vehicle tire with super-low rolling resistance, and preparation method thereof
CN105419038A (en) Composition for manufacturing compound rubber mat and preparation method of composition
CN102666136A (en) Rubber composition for aircraft tire treads
JP7023812B2 (en) Rubber composition
JP6297896B2 (en) Pneumatic tire
CN105440339A (en) Anti-aging rubber ring material composition and anti-aging rubber ring preparation method
CN105175833A (en) Wear-resisting rubber material composition and preparation method of wear-resisting rubber
CN110157055B (en) Sidewall rubber of aircraft tire
CN107337859A (en) Oil-immersed pump electric power cable oil resistant EP rubbers sheath material and preparation method thereof
CN110050023B (en) Rubber composition for tread and tire
CN116178812A (en) Engineering tire tread rubber with high wear resistance and high tear resistance and preparation method thereof
CN102108140B (en) Rubber composition for tire tread and tire manufactured using the same
CN105482206A (en) Wear resistant rubber ring material composition and preparation method of wear resistant rubber ring
JP2004035663A (en) Rubber composition containing reclaimed rubber
CN108424558B (en) Rubber composition for tire and pneumatic tire
JP6939173B2 (en) Method for manufacturing rubber composition for tread of heavy-duty tires
CN105175906A (en) Anti-fatigue rubber material composition and preparation method of anti-fatigue rubber
CN105384984A (en) High temperature-resistant liner material composition, and making method of high temperature-resistant rubber liner
CN105330974A (en) Automobile air conditioner regulation switch and preparation method thereof
CN104877187A (en) Abrasion-resistant rubber and preparation method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20160330

RJ01 Rejection of invention patent application after publication