KR101914387B1 - Rubber composite of tyre tread - Google Patents
Rubber composite of tyre tread Download PDFInfo
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- KR101914387B1 KR101914387B1 KR1020170112458A KR20170112458A KR101914387B1 KR 101914387 B1 KR101914387 B1 KR 101914387B1 KR 1020170112458 A KR1020170112458 A KR 1020170112458A KR 20170112458 A KR20170112458 A KR 20170112458A KR 101914387 B1 KR101914387 B1 KR 101914387B1
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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
- C08L21/00—Compositions of unspecified rubbers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
- B60C1/0016—Compositions of the tread
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/041—Carbon nanotubes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/548—Silicon-containing compounds containing sulfur
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
Abstract
Description
본 발명은 타이어 트레드용 고무조성물에 관한 것으로, 보다 상세하게는 실란기(Silane group)가 표면에 개질된 탄소나노튜브(Carbon nanotube, CNT)를 보강 충진제로 포함함으로써 고무 내의 탄소나노튜브의 분산성을 향상시켜 배합공정을 원활하게 할 수 있고 이와 같은 우수한 제조공정으로 제조된 고무로 인장특성과 마모특성이 향상된 타이어 트레드 고무조성물에 관한 것이다.The present invention relates to a rubber composition for a tire tread, and more particularly, to a rubber composition for a tire tread, which comprises a carbon nanotube (CNT) modified with a silane group on its surface as a reinforcing filler, To a tire tread rubber composition which can improve the tensile characteristics and the abrasion characteristics by rubber produced by such an excellent manufacturing process.
타이어 트레드 부위는 지면에 접촉하여 차량의 이동, 제동등에 직접적인 영향을 미치는 구성 요소로서 자동차 기술의 발전과 소비자의 요구사항이 다양해지면서 고성능 타이어에 대한 필요성이 증가하고 있다.The tire tread area is a component that directly touches the ground and directly affects the movement of the vehicle and the brake light. As the development of automobile technology and the requirements of consumers are diversified, the need for high performance tires is increasing.
상기 고성능 타이어는 균일한 혹은 가혹한 주행 조건에서도 안정적인 수준의 내마모성, 회전저항, 피로인성, 인장강도를 가져야 한다.The high performance tires should have a stable level of abrasion resistance, rolling resistance, fatigue toughness and tensile strength even under uniform or harsh driving conditions.
이러한 타이어 트레드 고무조성물에 사용되는 다양한 첨가제 중에서 내마모성, 인장강도를 향상시키기 위해 통상적으로 카본블랙(Carbon black)이 범용적으로 사용되어 왔으나 최근에는 나노재료를 적용하여 재료의 보강성을 높이기 위해 탄소나노튜브(Carbon nanotube, CNT) 및 나노클레이(Nano clay)등의 사용량이 점차 증가되고 있다.Among various additives used in such a tire-tread rubber composition, carbon black has been commonly used to improve abrasion resistance and tensile strength. However, in recent years, in order to enhance the reinforcing property of a material by applying a nano material, The use of carbon nanotubes (CNTs) and nano clays is increasing.
특히 탄소나노튜브는 전자궤도 sp2 전자배열을 갖고 수십 나노미터의 지름을 가지는 원통형 튜브형태의 물질로, 흑연의 음극상에서 형성된 신소재로서 타노소나노튜브(CNT)는 탄성률은 1~2 TPa(강철의 7배), 인장강도는 30~180 GPa(강철의 100배), 전기전도도는 6,000 S/cm(구리선의 1,000배), 열전도도는 6,000 W/mK(다이아몬드의 2배)의 뛰어난 기계적 물성을 보인다.In particular, carbon nanotubes are cylindrical tubular materials having an electron orbital sp 2 electron configuration and having a diameter of several tens of nanometers. As a new material formed on a graphite cathode, a nanotube nanotube (CNT) has a modulus of elasticity of 1 to 2 TPa ), Tensile strength of 30-180 GPa (100 times of steel), electrical conductivity of 6,000 S / cm (1,000 times of copper wire) and thermal conductivity of 6,000 W / mK (2 times of diamond) .
상기의 특징을 가지는 탄소나노튜브는 타이어 트레드의 필수 성능인 거친 주행 조건에 안정적인 발열성, 피로특성, 인장강도를 향상시킬 수 있는 카본 보강제로서 고무 조성물의 중량감소를 통해 회전저항을 낮추고 연비를 높일 수 있다.The carbon nanotube having the above characteristics is a carbon reinforcing agent capable of improving heat generation, fatigue characteristics and tensile strength under rough running conditions, which is essential performance of a tire tread. By reducing the weight of the rubber composition, .
한편, 본 발명과 관련된 선행기술로서 타이어 트레드용 고무조성물, 이의 제조방법, 및 이를 이용하여 제조한 타이어(공개특허공보 제10-2015-0143070), 타이어 트레드용 고무조성물 및 이를 포함하는 공기입 타이어(공개특허공보 제10-2009-0044637)등이 알려져 있다.On the other hand, as a prior art related to the present invention, a rubber composition for a tire tread, a method for producing the same, a tire made using the same, a rubber composition for a tire tread, (Published Japanese Translation of PCT Application No. 10-2009-0044637).
그러나, 상기와 같은 종래기술들은 탄소나노튜브가 형상학적인 특성상 낮은 밀도와 매우 높은 비표면적으로 인해 비산의 문제 및 Van Der Walls의 힘에 의해 응집현상이 심하기 때문에 고무와의 결합이 잘 이루어 지지 않아 고무 내 분산성이 낮고 마모 성능의 개선 효과가 없는 문제점이 있다.However, in the above conventional techniques, due to the low density and very high specific surface area of the carbon nanotubes, the carbon nanotubes are not well bonded to the rubber because of scattering due to scattering and van der Walls' The dispersibility in the rubber is low and the wear performance is not improved.
따라서, 본 발명이 해결하고자 하는 기술적 과제는 고무 내 보강 충진제 분산 문제를 해결하기 위해 탄소나노튜브의 표면을 기능화하여 고무 내 높은 분산을 이루어 우수한 공정성으로 제조된 타이어 트레드용 고무로 저 발열 특성을 유지하고 인장물성과 내마모성이 향상된 타이어 트레드용 고무조성물을 제공하는 것이다.Accordingly, a technical problem to be solved by the present invention is to solve the dispersion problem of rubber reinforcing filler, to function as a surface of carbon nanotubes, to achieve high dispersion in rubber and to maintain excellent low heat resistance And a rubber composition for a tire tread having improved tensile properties and abrasion resistance.
본 발명의 타이어 트레드용 고무조성물은 상술한 기술적 과제를 해결하기 위하여, 원료고무, 표면 개질 탄소나노튜브 및 보강성 충진제를 포함하되, 상기 실란기(Silane group)가 표면에 개질된 탄소나노튜브는 원료고무 100중량부에 대하여 1 내지 10 중량부 포함된다.The rubber composition for a tire tread according to the present invention is characterized by comprising a raw rubber, a surface modified carbon nanotube and a reinforcing filler, wherein the carbon nanotube having the surface modified with the silane group 1 to 10 parts by weight based on 100 parts by weight of the raw rubber.
상기 탄소나노튜브는 입자평균지름이 45 ~ 55nm, 장방향 길이 10 ~ 15㎛, 부피밀도 1.0 ~ 2.0g/㎤일 수 있다.The carbon nanotube may have an average particle diameter of 45 to 55 nm, a longitudinal length of 10 to 15 μm, and a bulk density of 1.0 to 2.0 g / cm 3.
본 발명에 의한 타이어 트레드용 고무조성물은 실란기가 표면에 개질된 탄소나노튜브를 보강 충진제로 적용함으로써, 고무 내 탄소나노튜브의 분산 문제를 해결하여 저 발열 특성을 유지하면서 원료고무와의 결합력이 증대되어 인장물성과 내마모성이 향상될 수 있다.The rubber composition for a tire tread according to the present invention solves the problem of dispersion of carbon nanotubes in a rubber by applying carbon nanotubes whose surface is modified with a silane group as a reinforcing filler to increase the bonding force with the raw rubber while maintaining low heat- So that tensile properties and abrasion resistance can be improved.
도 1은 본 발명의 타이어 트레드용 고무조성물에 포함되는 표면이 개질된 탄소나노튜브의 제조를 위한 전구체로서 수산기(-OH)가 개질된 탄소나노튜브의 모식도를 나타낸 것이다.
도 2는 본 발명의 타이어 트레드용 고무조성물에 포함되는 실란기(Silane Group)가 표면에 개질된 탄소나노튜브의 모식도를 나타낸 것이다.1 is a schematic view of a carbon nanotube modified with a hydroxyl group (-OH) as a precursor for the production of carbon nanotubes whose surface is modified in the rubber composition for a tire tread of the present invention.
2 is a schematic view of a carbon nanotube whose surface is modified with a silane group included in the rubber composition for a tire tread of the present invention.
본 발명은 보강 충진제로서, 탄소나노튜브 표면에 실란기가 처리된 보강제를 포함하는 것을 특징으로 하는 타이어 트레드용 고무 조성물에 관한 것이다.The present invention relates to a rubber composition for a tire tread, characterized in that the reinforcing filler comprises a reinforcing agent whose surface is treated with a silane group on the surface of the carbon nanotube.
본 발명의 상기 타이어 트레드 고무 조성물은 원료고무 100 중량부에 대하여, 상기 실란기가 표면에 개질된 탄소나노튜브를 1~10 중량부, 바람직하게는 1~3 중량부, 보다 바람직하게는 2~3 중량부를 포함할 수 있으며 이 때, 표면이 실란기(Silane group)로 기능화된 탄소나노튜브는 단일벽 탄소나노튜브, 다중벽 탄소나노튜브 또는 탄소 섬유일 수 있다.The tire tread rubber composition of the present invention may contain 1 to 10 parts by weight, preferably 1 to 3 parts by weight, more preferably 2 to 3 parts by weight, of the carbon nanotubes obtained by modifying the surface of the silane group with respect to 100 parts by weight of the raw rubber The carbon nanotubes whose surface is functionalized with a silane group may be single wall carbon nanotubes, multi wall carbon nanotubes, or carbon fibers.
본 발명에서 사용되는 실란기(Silane group)가 표면에 개질된 CNT는 수산기(-OH)로 기능화된 탄소나노튜브를 전구체로 사용하며 타이어 트레드용 고무의 다양한 특성 발현을 위해 그 단방향 입자평균지름이 45 내지 55㎚, 장방향 길이 10 내지 15㎛, 부피밀도 1.0 ~ 2.0 g/㎤인 것을 사용할 수 있다.The carbon nanotubes functionalized with a hydroxyl group (-OH) are used as a precursor of the CNT modified with the silane group used in the present invention. The average unidirectional particle diameter of the carbon nanotubes 45 to 55 nm in length, 10 to 15 mu m in length in the longitudinal direction, and 1.0 to 2.0 g / cm3 in bulk density.
상기 전구체로 쓰여진 수산기(-OH)로 기능화된 CNT는 도 1에 나타난 바와 같이 80℃ 진공 오븐에 4:1 비율의 H2SO4/H2O2 혼합용액에서 희석, 여과, 세척하여 카르복시기(-COOH)로 기능화된 CNT를 얻은 후, 이를 무수 에테르에 용해 된 과량의 LiAlH4에 환류하고 증류수에 세척 후 건조하여 얻을 수 있다.1, the CNT functionalized with the hydroxyl group (-OH) written as the precursor was diluted, filtered and washed in a mixed solution of H 2 SO 4 / H 2 O 2 in a ratio of 4: 1 in a vacuum oven at 80 ° C. to form a carboxyl group -COOH), which is then refluxed with an excess amount of LiAlH 4 dissolved in anhydrous ether, washed with distilled water, and dried.
도 2에 나타난 바와 같이 상기 수산기(-OH)로 개질된 탄소나노튜브는 3-(트리 에톡시 실릴)프로필 클로라이드와 축합 반응하여 탄소나노튜브 표면에 bis[3-(triethoxysilylpropyl)tetrasulfide]가 표면에 개질된 탄소나노튜브를 제조할 수 있다.As shown in FIG. 2, the carbon nanotubes modified with hydroxyl (-OH) are condensed with 3- (triethoxysilyl) propyl chloride to form bis [3- (triethoxysilylpropyl) tetrasulfide] on the surface of the carbon nanotubes. Modified carbon nanotubes can be produced.
상기 방법으로 제조되어 본 발명에 사용되는 실란기(Silane group)가 표면에 개질된 탄소나노튜브는 원료고무와 화학적 결합을 형성 할 수 있는 그룹으로 이루어져, 탄소나노튜브간의 응집을 막고 기존의 고무와의 결합이 잘 이루어지지 않아 고무내 분산성이 낮은 문제점을 해결하여 배합성능의 개선 및 낮은 발열특성과 높은 내 마모성능을 구현할 수 있다.The carbon nanotubes prepared by the above-described method and used for the present invention and having modified surface of the silane group are composed of groups capable of forming a chemical bond with the raw material rubber to prevent aggregation of carbon nanotubes, And the low dispersibility in the rubber is solved. Thus, the compounding performance can be improved, the low heat generation characteristic and the high wear resistance performance can be realized.
본 발명의 타이어 트레드용 고무 조성물에서, 상기 원료 고무의 종류로는 특별히 제한되는 것은 아니고, 예를 들면, 스티렌부타디엔 고무, 부타디엔 고무, 부틸고무, 유화 중합 스티렌 부타디엔 고무(E-SBR), 용액 중합 스트렌 부타디엔 고무 (S-SBR), 에피클로로히드린 고무, 니트릴 고무, 수소화된 니트릴 고무, 브롬화 폴리 이소부틸 이소프렌-co-파라메틸 스티렌 고무, 우레탄 고무, 불소 고무, 실리콘 고무, 스티렌 에틸렌 부타디엔 스티렌 공중합체 고무, 에틸렌 프로필렌 고무, 에틸렌 프로필렌 디엔 모노머 고무, 하이팔론 고무, 클로로프렌 고무, 에틸렌 비닐 아세테이트 고무 및 아크릴 고무 등을 들 수 있다.In the rubber composition for tire tread of the present invention, the kind of the raw material rubber is not particularly limited, and examples thereof include styrene butadiene rubber, butadiene rubber, butyl rubber, emulsion polymerized styrene butadiene rubber (E-SBR) Styrene butadiene rubber (S-SBR), epichlorohydrin rubber, nitrile rubber, hydrogenated nitrile rubber, polyisobutyl isoprene-co-paramethylstyrene rubber bromide, urethane rubber, fluorine rubber, silicone rubber, styrene ethylene butadiene styrene Copolymer rubber, ethylene propylene rubber, ethylene propylene diene monomer rubber, hyaluron rubber, chloroprene rubber, ethylene vinyl acetate rubber and acrylic rubber.
본 발명의 타이어 트레드용 고무 조성물에서, 실란기(Silane group)가 표면에 개질된 탄소나노튜브 이외에 보강 충진제로서 카본블랙(Carbon black), 실리카(Silica), 탄산칼슘(Calcium carbonate), 클레이(Clay), 산화티탄(Titanium dioxide), 층상 실리케이트(Layered silicate), 탈크(Talc), 중석(Tungsten) 등 보강 충진제 군으로부터 선택된 어느 하나 이상을 추가로 더 포함할 수 있다.In the rubber composition for a tire tread of the present invention, in addition to carbon nanotubes whose surface is modified with a silane group, carbon black, silica, calcium carbonate, clay A reinforcing filler such as titanium dioxide, layered silicate, talc, or tungsten may be further included.
본 발명의 타이어 트레드용 고무 조성물은 상기에서 언급한 원료 고무, Silane group으로 개질된 탄소나노튜브, 제 2의 보강충진제 이외에 종래 타이어 트레드 고무 조성물에 사용되는 보강 충진제, 활성제, 노화방지제, 공정유, 가류제, 가류 촉진제와 같은 각종 첨가제를 필요에 따라 적의 선택하여 사용할 수 있다. 그러나 이들은 종래 타이어 트레드용 고무 조성물에 사용되는 일반적인 성분으로 본원 발명의 필수 구성 성분은 아니므로 이하 자세한 내용은 생략하기로 한다.The rubber composition for a tire tread according to the present invention may contain, in addition to the above-mentioned raw rubber, a carbon nanotube modified with a silane group, a second reinforcing filler, a reinforcing filler, an activator, an antioxidant, A vulcanizing agent, and a vulcanization accelerator may be appropriately selected and used as needed. However, these are general components used in conventional rubber compositions for tire treads and are not essential components of the present invention, and therefore, detailed description thereof will be omitted below.
이하, 본 발명을 더욱 상세하게 설명한다.Hereinafter, the present invention will be described in more detail.
하기에서는 본 발명의 바람직한 실시예를 참조하여 설명할 것이나, 해당 기술 분야의 숙련된 당업자가 여러가지 상이한 형태로 구현할 수 있으며 여기에서 설명하는 실시예에 한정되지 않는다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, those skilled in the art will appreciate that various modifications and changes may be made without departing from the scope of the present invention.
[실시예 및 비교예][Examples and Comparative Examples]
하기 표 1에서와 같은 조성으로 실시예 및 비교예에 따른 타이어 트레드용 고무 조성물을 제조하였으며 고무 조성물의 제조는 통상의 고무 조성물의 제조 방법에 따랐다.The rubber compositions for tire treads according to Examples and Comparative Examples were prepared with compositions as shown in Table 1 below. The rubber compositions were prepared according to the usual rubber composition manufacturing methods.
* 카본블랙: DBP흡착가 100 내지 130ml/100g, 비표면적 120 내지 140 m2/g 이하를 가진 카본 블랙. * Carbon black: DBP adsorption value of 100 to 130ml / 100g, a specific surface area of 120 to 140 m 2 / g or less of carbon black with.
상기 표 1에서 제조한 각각의 고무시편에 대해 무니(Mooney)점도, 인장물성(Tensile), 분산도(Payne Effect), 동적점탄성(DMA), 마모(DIN Abrasion)의 물성을 ASTM 관련규정에 의해 측정하고 그 결과를 아래의 표 2에 정리하여 나타내었다.The Mooney viscosity, Tensile, Payne effect, Dynamic viscoelastic (DMA) and Wear (DIN Abrasion) physical properties of each of the rubber specimens prepared in Table 1 were measured according to ASTM regulations And the results are summarized in Table 2 below.
상기 표 2를 참고하면, 비교예 2의 기존 CNT를 적용하였을 때 CNT를 사용하지 않은 비교예 1에 비해 무니점도, 분산도, 인장물성, DMA 성능은 향상되었지만, 내 마모성능의 개선효과는 나타나지 않았다.Referring to Table 2, when the conventional CNT of Comparative Example 2 was applied, the Mooney viscosity, the degree of dispersion, the tensile property, and the DMA performance were improved as compared with Comparative Example 1 in which CNT was not used, I did.
반면, 본 발명의 실란기(Silane group)가 표면에 개질된 CNT를 1 내지 3중량부 적용한 실시예 1 내지 3의 경우 CNT를 사용하지 않은 비교예 1에 비해, DMA를 제외하고, 무니점도, 분산도, 인장물성, 마모 성능이 현저하게 향상하는 것을 확인할 수 있었다. 실란기가 표면에 개질된 CNT를 5 내지 10 중량부를 적용한 실시예 4와 5의 경우, 비교예 1과 대비하여, 현저한 기계적 물성 및 내 마모성능의 개선 효과가 나타났다.On the other hand, in the case of Examples 1 to 3 in which the silane group of the present invention was applied with 1 to 3 parts by weight of CNT modified to the surface, as compared with Comparative Example 1 in which CNT was not used, The dispersibility, the tensile property and the wear performance were remarkably improved. In the case of Examples 4 and 5 in which 5 to 10 parts by weight of CNT modified with a silane group was applied to the surface, the remarkable mechanical properties and wear resistance performance were improved as compared with Comparative Example 1.
따라서, 본 발명은 원료고무 100중량부에 대하여, 실란기가 표면에 개질된 탄소나노튜브를 1~10중량부, 바람직하게는 1~3중량부, 보다 바람직하게는 2~3중량부를 포함하는 것을 특징으로 하는 타이어 트레드 고무 조성물이다.Accordingly, the present invention relates to a rubber composition comprising 1 to 10 parts by weight, preferably 1 to 3 parts by weight, more preferably 2 to 3 parts by weight of carbon nanotubes whose surface is modified with a silane group, based on 100 parts by weight of the raw rubber Wherein the rubber composition is a tire tread rubber composition.
Claims (5)
상기 실란기가 표면에 개질된 탄소나노튜브는 실리카 커플링제(Silica coupling agent)인 bis[3-(triethoxysilylpropyl)tetrasulfide](TESPT)로 개질된 탄소나노튜브이고,
또한, 상기 실란기(Silane group)가 표면에 개질된 탄소나노튜브는 수산기(-OH)로 표면이 개질된 탄소나노튜브를 전구체로 사용하여 이 전구체와 3-(트리 에톡시 실릴)프로필 클로라이드와 축합 반응하여 최종적으로 제조할 수 있으며, 입자평균지름이 45 내지 55nm, 장방향 길이 10 내지 15㎛, 부피밀도 1.0 내지 2.0g/㎤인 것을 특징으로 하는 타이어 트레드용 고무 조성물.1. A rubber composition for tire tread comprising 1 to 10 parts by weight of a carbon nanotube whose surface is modified with a silane group with respect to 100 parts by weight of a raw rubber,
The carbon nanotubes having the surface modified with the silane group are carbon nanotubes modified with bis [3- (triethoxysilylpropyl) tetrasulfide] (TESPT), which is a silica coupling agent,
The surface of the carbon nanotube modified with the silane group may be prepared by using a carbon nanotube whose surface is modified with a hydroxyl group (-OH) as a precursor and reacting the precursor with 3- (triethoxysilyl) And has a particle average diameter of 45 to 55 nm, a longitudinal direction length of 10 to 15 탆, and a bulk density of 1.0 to 2.0 g / cm 3.
실란기(Silane group)가 표면에 개질된 탄소나노튜브는 단일벽 탄소나노튜브, 다중벽 탄소나노튜브, 또는 탄소섬유임을 특징으로 하는 타이어 트레드용 고무 조성물.The method according to claim 1,
Wherein the carbon nanotube whose surface is modified with a silane group is a single-walled carbon nanotube, a multi-walled carbon nanotube, or a carbon fiber.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200113666A (en) | 2019-03-26 | 2020-10-07 | 황용경 | Tire tread rubber composition having the improved tire braking effects |
| EP3825147A1 (en) * | 2019-11-22 | 2021-05-26 | The Goodyear Tire & Rubber Company | Rubber composition comprising a surface-functionalized carbon allotrope and tire |
| KR20210115982A (en) * | 2020-03-17 | 2021-09-27 | 금호타이어 주식회사 | Rubber composite for tire tread and tire manufactured by using it |
| KR20210120646A (en) * | 2020-03-27 | 2021-10-07 | 금호타이어 주식회사 | Rubber composite for tire tread and tire manufactured by using it |
| CN114851614A (en) * | 2022-04-07 | 2022-08-05 | 江苏逸盛投资集团有限公司 | Tire retreading method |
| CN117106239A (en) * | 2023-07-28 | 2023-11-24 | 三浦橡胶（无锡）有限公司 | Soft tread rubber and preparation method thereof |
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2017
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| "Reinforcement of Abrasion Resistance for Tire Tread filled with Multi-Wall Carbon Nanotubes(MWCNTs)", NSTI-Nanotech, 2009, pp.458-460.* |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200113666A (en) | 2019-03-26 | 2020-10-07 | 황용경 | Tire tread rubber composition having the improved tire braking effects |
| EP3825147A1 (en) * | 2019-11-22 | 2021-05-26 | The Goodyear Tire & Rubber Company | Rubber composition comprising a surface-functionalized carbon allotrope and tire |
| KR20210115982A (en) * | 2020-03-17 | 2021-09-27 | 금호타이어 주식회사 | Rubber composite for tire tread and tire manufactured by using it |
| KR102352779B1 (en) * | 2020-03-17 | 2022-01-18 | 금호타이어 주식회사 | Rubber composite for tire tread and tire manufactured by using it |
| KR20210120646A (en) * | 2020-03-27 | 2021-10-07 | 금호타이어 주식회사 | Rubber composite for tire tread and tire manufactured by using it |
| KR102352782B1 (en) * | 2020-03-27 | 2022-01-18 | 금호타이어 주식회사 | Rubber composite for tire tread and tire manufactured by using it |
| CN114851614A (en) * | 2022-04-07 | 2022-08-05 | 江苏逸盛投资集团有限公司 | Tire retreading method |
| CN117106239A (en) * | 2023-07-28 | 2023-11-24 | 三浦橡胶（无锡）有限公司 | Soft tread rubber and preparation method thereof |
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