KR20150043764A - TBR Tyre of tread - rubber compound and tyre thereof - Google Patents

TBR Tyre of tread - rubber compound and tyre thereof Download PDF

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Publication number
KR20150043764A
KR20150043764A KR20130122557A KR20130122557A KR20150043764A KR 20150043764 A KR20150043764 A KR 20150043764A KR 20130122557 A KR20130122557 A KR 20130122557A KR 20130122557 A KR20130122557 A KR 20130122557A KR 20150043764 A KR20150043764 A KR 20150043764A
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South Korea
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rubber composition
tire tread
tread rubber
carbon black
weight
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KR20130122557A
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Korean (ko)
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KR101539147B1 (en
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조대림조대림
조대림
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금호타이어 주식회사
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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
    • 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
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/17—Amines; Quaternary ammonium compounds
    • C08K5/175—Amines; Quaternary ammonium compounds containing COOH-groups; Esters or salts thereof
    • 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
    • B60C2200/00—Tyres specially adapted for particular applications
    • B60C2200/04—Tyres specially adapted for particular applications for road vehicles, e.g. passenger cars
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction 

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Disclosed are a tire tread rubber composition for trucks and buses and a tire comprising the same. According to the specification of the present invention, a tire tread rubber composition for trucks and buses comprises natural rubber, carbon black, and carboxyl acid sodium salt as a coupling agent. Therefore, unlike existing tire tread rubber compositions for trucks and buses, the tire tread rubber composition for trucks and buses do not depend on the combination of carbon black and silica or the high molecular weight of the rubber composition. In addition, heating or rolling resistance property is excellent, which improves fuel efficiency property.

Description

트럭버스용 타이어트레드 고무조성물 및 그 타이어{TBR Tyre of tread - rubber compound and tyre thereof}Technical Field [0001] The present invention relates to a tire tread rubber composition for a truck bus,

본 발명은 트럭버스용 타이어트레드 고무조성물에 관한 것으로, 더욱 상세하게는 종래 트럭버스용 타이어 트레드 고무 조성물의 가본 블랙과 실리카 조합이나 고무조성물의 고분자량의 조절에 의하지 아니하고, 발열이나 구름저항 특성이 우수하여, 연비특성이 개선된 트럭버스용 타이어트레드 고무조성물 및 그 타이어에 관한 것이다.
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tire tread rubber composition for a truck bus, and more particularly, to a tire tread rubber composition for a truck bus, which does not depend on the combination of carbon black and silica of a tire tread rubber composition for a truck bus, A tire tread rubber composition for a truck bus improved in fuel economy characteristics, and a tire thereof.

종래, 타이어 트레드의 구름저항 특성은 지면과 접하는 트레드 표면층의 성질에 의해 결정되는데, 주행시 필연적으로 따르는 마찰력에 기인하여 구름저항이 높고 낮음에 의해 차량의 연비에 직결되는 원인이 되고 있다. 종래에는 구름 저항을 좋게 하기 위해서 충진제량을 줄인다거나 충진제로써 실리카를 사용함으로써 구름저항을 개선시키는 방법이 행하여져 왔다.Conventionally, the rolling resistance characteristic of a tire tread is determined by the nature of a tread surface layer contacting the ground, which is a cause of direct connection to the fuel efficiency of the vehicle due to the rolling resistance being high and low due to frictional force necessarily accompanying the running. Conventionally, a method of improving the rolling resistance has been performed by reducing the amount of filler to improve rolling resistance or by using silica as a filler.

이와 같이 타이어 트레드의 구름저항을 향상시키기 위하여 다양한 고무 조성 물의 개발이 행하여 지고 있는데, 예를 들면 일본국 특허공개공보 제1999-209515호 에서는 특정 구조의 카본 블랙과 실리카 조합을 통해 연비를 개선하는 기술이 공개되어 있고, 대한민국 특허공개공보 제2002-0197844호에서는 유화중합에 의해서 중합된 고분자량 SBR 적용(1,000,000<Mw<1,500,000)에 의하여 구름저항을 개선하는 기술과 같이 고분자량의 조절을 통하여 그 특성치를 개선하는 기술이 대부분이다.
Various rubber compositions have been developed in order to improve the rolling resistance of tire tread. For example, Japanese Patent Application Laid-Open No. 1999-209515 discloses a technique for improving fuel economy through combination of carbon black and silica having a specific structure And Korean Patent Laid-Open Publication No. 2002-0197844 discloses a method for improving rolling resistance by applying high molecular weight SBR polymerized by emulsion polymerization (1,000,000 < Mw < 1,500,000) Is the technology to improve.

따라서, 본 발명이 해결하고자 하는 기술적 과제는 종래 트럭버스용 타이어 트레드 고무 조성물의 가본 블랙과 실리카 조합이나 고무조성물의 고분자량의 조절에 의하지 아니하고, 발열이나 구름저항 특성이 우수하여, 연비특성이 개선된 트럭버스용 타이어트레드 고무조성물 및 그 타이어를 제공하는 것이다.
Accordingly, the technical problem to be solved by the present invention is to provide a tire tread rubber composition for a truck bus that is excellent in heat resistance and rolling resistance characteristics, not in combination with carbon black and silica, or high molecular weight of rubber composition, A tire tread rubber composition for a truck bus, and a tire thereof.

본 발명은 상술한 기술적 과제를 해결하기 위하여, 트럭버스용 타이어트레드 고무조성물로서, 천연고무, 카본블랙 및 커플링에이전트로 카르복실산 나트륨염을 포함하는 것을 특징으로 하는 트럭버스용 타이어트레드 고무조성물을 제공한다.The present invention relates to a tire tread rubber composition for a truck bus, which comprises a natural rubber, a carbon black, and a carboxylate sodium salt as a coupling agent. .

본 발명에 따르는 일실시예에 의하면, 상기 커플링에이전트는 H2N-([2,3-dimethyl-7-(2-methylpropyl)decane)n-COONA일 수 있으며, n은 1, 2, 3 ...,15인 정수를 의미한다.According to one embodiment of the present invention, the coupling agent may be H 2 N - ([2,3-dimethyl-7- (2-methylpropyl) decane) n-COONA and n is 1, ..., 15.

본 발명에 따르는 또 다른 실시예에 의하면, 상기 트럭버스용 타이어트레드 고무조성물로 제조된 트럭버스용 타이어를 제공한다.
According to another embodiment of the present invention, there is provided a tire for a truck bus made of the tire tread rubber composition for a truck bus.

본 발명에 의하면, 종래 트럭버스용 타이어 트레드 고무 조성물의 가본 블랙과 실리카 조합이나 고무조성물의 고분자량의 조절에 의하지 아니하고, 발열이나 구름저항 특성이 우수하여, 연비특성이 개선된다.
According to the present invention, heat generation and rolling resistance characteristics are excellent, and the fuel consumption characteristics are improved, regardless of the combination of carbon black and silica of the tire tread rubber composition for truck buses and the control of the high molecular weight of the rubber composition.

이하, 본 발명을 상세하게 설명한다.Hereinafter, the present invention will be described in detail.

그러나, 본 발명에 대하여 아래에서와 같이, 실시 가능한 예를 들어 설명하나, 이는 예시적인 것에 불과하며, 본 발명에 속하는 기술 분야의 통상 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 타 실시예가 가능하다는 점을 이해할 것이다. 따라서 본 발명의 진정한 기술적 보호범위는 첨부된 특허청구범위의 기술적 사상에 의해 정해져야 할 것이다.However, it should be understood that the present invention is not limited to the above-described exemplary embodiments, but is capable of various modifications and equivalent embodiments without departing from the scope of the present invention. I will understand that. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

본 발명에 따르는 트럭버스용 타이어트레드 고무조성물은 트럭버스용 타이어트레드 고무조성물로서, 천연고무, 카본블랙 및 커플링에이전트로 카르복실산 나트륨염을 포함하는 특징이 있는데, 상기 천연고무는 고하중에 의한 스트레스에 유연하고, 상기 카본블랙은 이의 보강성을 확보하는 충진제이다.The tire tread rubber composition for a truck bus according to the present invention is a tire tread rubber composition for a truck bus characterized by comprising a natural rubber, a carbon black and a carboxylic acid sodium salt as a coupling agent, It is flexible to stress, and the carbon black is a filler that secures its reinforcement.

또한, 상기 커플링에이전트는 H2N-([2,3-dimethyl-7-(2-methylpropyl)decane)n-COONA(n은 1, 2, 3 ..., 15인 정수)를 사용할 수 있는데, 이 카르복실산 나트륨 염은 천연고무와 카본블랙의 혼합시 결합력을 부여하는 것으로 판단된다.Also, the coupling agent can use H 2 N - ([2,3-dimethyl-7- (2-methylpropyl) decane) n-COONA where n is an integer of 1, 2, 3, This sodium carboxylic acid salt is considered to give a bonding force when the natural rubber and carbon black are mixed.

아울러, 상술한 트럭버스용 타이어트레드 고무조성물로 제조되는 타이어는 통상 타이어 제조방법에 따라 구현할 수 있다. In addition, a tire made of the tire tread rubber composition for a truck bus described above can be generally implemented according to a tire manufacturing method.

한편, 본 발명은 종래 트레드 고무조성물에 사용되는 활성제, 보강충진제, 노화방지제, 공정유, 확스, 가류제, 가류촉진제 등 같은 첨가제를 폭 넓게 타이어의 요구 특성에 따라 선택적으로 채용할 수 있음은 물론이다.Meanwhile, the present invention is capable of selectively employing additives such as active agents, reinforcing fillers, anti-aging agents, process oils, waxes, vulcanizing agents and vulcanization accelerators widely used in the tread rubber composition according to the requirements of tires to be.

실시예 1Example 1

천연고무 100중량부에 대하여 스테아린 산 2 중량부, 카본블랙 40 중량부, 실리카 10 중량부, 공정조제 3 중량부, 노화방지제 3 중량부 및 커플링제로 H2N-([2,3-dimethyl-7-(2-methylpropyl)decane)-COONA 1.5 중량부를 160℃에서 1분 동안 배합하고, 165℃에서 방출한 후 2차 배합으로 105℃에서 황 1.5 중량부, 가류촉진제 1.0 중량부를 추가하여 본 발명에 따르는 고무조성물을 제조하였다.2 parts by weight of stearic acid, 40 parts by weight of carbon black, 10 parts by weight of silica, 3 parts by weight of a process aid, 3 parts by weight of an antioxidant and H 2 N - ([2,3-dimethyl 1.5 parts by weight of -7- (2-methylpropyl) decane -COONA were blended at 160 DEG C for 1 minute and discharged at 165 DEG C, followed by 1.5 parts by weight of sulfur and 105 parts by weight of a vulcanization accelerator at 105 DEG C in a secondary blend, A rubber composition according to the invention was prepared.

실시예 2Example 2

실시예 1에서 커플링제를 3 중량부로 배합한 것을 제외하고는 실시예 1과 동일하게 하여 본 발명에 따르는 고무조성물을 제조하였다.A rubber composition according to the present invention was prepared in the same manner as in Example 1 except that 3 parts by weight of a coupling agent was used in Example 1.

비교예Comparative Example

천연고무 100중량부에 대하여 스테아린 산 2 중량부, 카본블랙 40 중량부, 실리카 10 중량부, 공정조제 3 중량부, 노화방지제 3 중량부, 황 1.5 중량부, 가류 촉진제 1.0 중량부를 첨가하여 밴버리믹서에 배합하고 105℃에서 방출하여 고무조성물을 제조하였다.2 parts by weight of stearic acid, 40 parts by weight of carbon black, 10 parts by weight of silica, 3 parts by weight of a process aid, 3 parts by weight of an antioxidant, 1.5 parts by weight of sulfur and 1.0 part by weight of a vulcanization accelerator were added to 100 parts by weight of natural rubber, And released at 105 캜 to prepare a rubber composition.

여기서, 실시예 1, 2 및 비교예에서의 각 성분을 아래 표 1에 상세하게 기재하였다.Here, the respective components in Examples 1 and 2 and Comparative Examples are described in detail in Table 1 below.

항목Item 비교예Comparative Example 실시예 1Example 1 실시예 2Example 2 천연고무Natural rubber 100100 5050 3030 카본블랙 1) Carbon black 1) 4040 5050 5050 공정조제Process preparation 33 33 33 산화아연Zinc oxide 33 55 55 스테아린산Stearic acid 22 22 22 유황brimstone 1.51.5 1.51.5 1.51.5 가황촉진제Vulcanization accelerator 1.01.0 0.80.8 0.80.8 커플링에이전트 2) Coupling agent 2) -- 1.51.5 3.03.0

1)카본 블랙 : 요오드 흡착가 115g/kg, DBP 흡착가 135ml/100g, 착색도 120%인 보강성 카본 블랙1) Carbon black: Reinforcing carbon black having an iodine adsorption of 115 g / kg, a DBP adsorption of 135 ml / 100 g and a degree of coloration of 120%

2) 커플링에이전트 : H2N-([2,3-dimethyl-7-(2-methylpropyl)decane)-COONA 2) Coupling agent: H 2 N - ([2,3-dimethyl-7- (2-methylpropyl) decane) -COONA

실험예Experimental Example

실시예 1, 2 및 비교예에 의한 고무조성물을 아래 표 2에 기재된 항목별로 실험하여 그 결과를 표 2에 나타내었다.The rubber compositions according to Examples 1 and 2 and Comparative Examples were tested for each of the items listed in Table 2 below, and the results are shown in Table 2.

구분division 용도Usage 비교예Comparative Example 실시예1Example 1 실시예2Example 2 점도Viscosity 100℃100 ℃ 6565 6363 6161 TENSILE
(Initial)TENSILE
(Initial) HD'SHD'S 6565 6565 6565 300%-M300% -M 130130 128128 125125 T.S.T.S. 300300 305305 298298 E.B.(%)E.B. (%) 500500 510510 520520 REBOUNDREBOUND Resilience(%)Resilience (%) 4747 4848 4949 H.B.UH.B.U ΔT(℃)ΔT (° C.) 1919 18.518.5 1818 Blow-Out(100℃)Blow-Out (100 ° C) MinuteMinute 11.011.0 12.512.5 12.712.7 마모1) Wear 1) (g)(g) 3.053.05 3.023.02 3.043.04 RRC2) RRC 2) IndexIndex 5.75.7 4.74.7 4.94.9

1)마모: 비. 에프. 굿리치 마모 시험기를 이용하여 칼날이 회전하는 시편의 위쪽을 누르면서 시험하는 방법으로 최초의 시편 무게와 시험 후의 시편 무게와의 무게 차에 의해 그 값을 구하며 무게 차가 적을수록 성능이 우수함을 나타내며 내마모성이 크면 클수록 타이어에서 최종적으로 마모될 때까지 보다 장시간 주행함을 의미한다.1) Wear: Rain. F. By using the Goodrich abrasion tester, the test is performed by pushing the upper side of the specimen rotating with the blade. The value is obtained by the weight difference between the initial specimen weight and the specimen weight after the test. The smaller the weight difference, the better the performance. The larger the value, the longer the tire runs until it is finally worn.

2)RRC : 구름저항 계수로 낮을수록 특성이 좋음을 의미한다.2) RRC: Lower rolling resistance coefficient means better characteristics.

Claims (3)

트럭버스용 타이어트레드 고무조성물로서, 천연고무, 카본블랙 중량부 및 커플링에이전트로 카르복실산 나트륨염을 포함하는 것을 특징으로 하는 트럭버스용 타이어트레드 고무조성물.
A tire tread rubber composition for a truck bus, comprising a natural rubber, a carbon black weight part, and a sodium carboxylate as a coupling agent.
제 1 항에 있어서,
상기 커플링에이전트는 H2N-([2,3-dimethyl-7-(2-methylpropyl)decane)n-COONA인 것을 특징으로 하는 트럭버스용 타이어트레드 고무조성물.
The method according to claim 1,
Wherein the coupling agent is H 2 N - ([2,3-dimethyl-7- (2-methylpropyl) decane) n-COONA.
제 1 항 또는 제 2 항에 의한 트럭버스용 타이어트레드 고무조성물로 제조된 트럭버스용 타이어.
A tire for a truck bus manufactured by a tire tread rubber composition for a truck bus according to claim 1 or 2.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113429641A (en) * 2021-07-14 2021-09-24 江苏通用科技股份有限公司 Nylon bead wrapping rubber for all-steel truck tire and preparation method thereof

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KR0154340B1 (en) * 1992-08-12 1998-12-01 윤양중 Tire tread rubber composition
KR970010849A (en) * 1995-08-31 1997-03-27 홍건희 Rubber composition for under tread of tires for trucks and buses
AU2003206843A1 (en) * 2002-02-07 2003-09-02 Societe De Technologie Michelin Running tread for tyre
DE102005059625A1 (en) * 2005-12-14 2007-06-21 Lanxess Deutschland Gmbh Microgel-containing vulcanizable composition based on hydrogenated nitrile rubber

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113429641A (en) * 2021-07-14 2021-09-24 江苏通用科技股份有限公司 Nylon bead wrapping rubber for all-steel truck tire and preparation method thereof

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