KR100963379B1 - Tread rubber composition for tire of high performance - Google Patents

Tread rubber composition for tire of high performance Download PDF

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Publication number
KR100963379B1
KR100963379B1 KR1020080060045A KR20080060045A KR100963379B1 KR 100963379 B1 KR100963379 B1 KR 100963379B1 KR 1020080060045 A KR1020080060045 A KR 1020080060045A KR 20080060045 A KR20080060045 A KR 20080060045A KR 100963379 B1 KR100963379 B1 KR 100963379B1
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South Korea
Prior art keywords
rubber composition
tire
weight
tread rubber
present
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KR1020080060045A
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Korean (ko)
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KR20100000515A (en
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조치훈
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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
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/01—Hydrocarbons
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/02—Halogenated hydrocarbons
    • C08K5/03—Halogenated hydrocarbons aromatic, e.g. C6H5-CH2-Cl
    • 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
    • C08K5/04—Oxygen-containing compounds
    • C08K5/15—Heterocyclic compounds having oxygen in the ring
    • C08K5/151—Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
    • C08K5/1535—Five-membered rings
    • 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

Abstract

본 발명은 특정 조성의 점착제를 적용한 초고속 주행용 타이어 트레드 고무 조성물에 관한 것으로서, 더욱 상세하게는 쿠마론, 인덴, 스티렌, 포화 탄화수소로 이루어진 점착제를 포함하여 이루어지므로써 타이어의 제동성능 및 조정 안정성이 향상된 초고속 주행용 타이어 트레드 고무 조성물에 관한 것이다.The present invention relates to an ultra-high speed tire tread rubber composition to which an adhesive of a specific composition is applied. More specifically, the present invention includes a pressure-sensitive adhesive made of coumarone, indene, styrene, and saturated hydrocarbon, thereby improving braking performance and adjusting stability of a tire. An improved ultrafast running tire tread rubber composition is disclosed.

Description

초고속 주행용 타이어 트레드 고무 조성물{TREAD RUBBER COMPOSITION FOR TIRE OF HIGH PERFORMANCE}Tread RUBBER COMPOSITION FOR TIRE OF HIGH PERFORMANCE

본 발명은 특정 조성의 점착제를 적용한 초고속 주행용 타이어 트레드 고무 조성물에 관한 것으로서, 더욱 상세하게는 쿠마론, 인덴, 스티렌, 포화 탄화수소로 이루어진 점착제를 포함하여 이루어지므로써 타이어의 제동성능 및 조정 안정성이 향상된 초고속 주행용 타이어 트레드 고무 조성물에 관한 것이다.The present invention relates to an ultra-high speed tire tread rubber composition to which an adhesive of a specific composition is applied. More specifically, the present invention includes a pressure-sensitive adhesive made of coumarone, indene, styrene, and saturated hydrocarbon, thereby improving braking performance and adjusting stability of a tire. An improved ultrafast running tire tread rubber composition is disclosed.

자동차 산업의 발전과 더불어 자동차 운행도로 조건이 개선됨에 따라 소비자들의 타이어에 대한 요구 조건도 다양해지고, 또한 고성능(high performance)용 타이어의 개발이 요구되고 있다. 따라서 타이어 산업 또한 고성능 타이어 및 높은 그립 성능을 가지는 타이어 개발에 박차를 가하고 있다.With the development of the automobile industry, as the driving conditions of automobiles are improved, requirements for tires of consumers are diversified, and development of high performance tires is required. Therefore, the tire industry is also spurring the development of high performance tires and tires with high grip performance.

일반적으로 고속 주행용 타이어 트레드 고무 조성물은 제동성능 및 조정안정성을 향상시키기 위해 각종의 스티렌 함량이 높은 스티렌부타디엔 고무 또는 과량의 고보강성 카본블랙 등을 사용하는 방법 등이 사용된다. 그러나 상기 방법으로는 고속 주행용 타이어 트레드 고무 조성물의 그립 성능을 극대화시키는데 한계가 있고, 또한 고무 조성물의 마모성능을 급격히 하락시키는 문제를 야기시킨다. In general, the tire tread rubber composition for high-speed running is used a method using styrene butadiene rubber having a high styrene content or excessively high reinforcement carbon black, etc. in order to improve braking performance and adjustment stability. However, the method has a limitation in maximizing the grip performance of the high-speed tire tread rubber composition, and also causes a problem of sharply reducing the wear performance of the rubber composition.

본 발명의 목적은 상기와 같은 문제점을 개선하기 위하여, 쿠마론, 인덴, 스티렌, 포화 탄화수소로 이루어진 점착제를 포함하여 이루어지므로써 타이어의 제동성능 및 조정 안정성이 향상된 초고속 주행용 타이어 트레드 고무 조성물을 제공하는 것이다.An object of the present invention is to include a pressure-sensitive adhesive made of coumarone, indene, styrene, saturated hydrocarbon to improve the above problems, thereby providing a tire tread rubber composition for high-speed running improved tire braking performance and adjustment stability It is.

본 발명의 초고속 주행용 타이어 트레드 고무 조성물은 원료고무 100중량부에 대하여 쿠마론 4~6중량%, 인덴 30~35중량%, 스티렌 10~13중량% 및 포화탄화수소 50~55중량%로 이루어진 점착제 5~20중량부를 포함하여 이루어지는 것을 특징으로 한다.The ultra-high speed tire tread rubber composition of the present invention is composed of 4 to 6% by weight of coumarone, 30 to 35% by weight of indene, 10 to 13% by weight of styrene, and 50 to 55% by weight of saturated hydrocarbon based on 100 parts by weight of the raw material rubber. It comprises a 5 to 20 parts by weight.

본 발명에서 사용되는 원료고무로는 스티렌부타디엔 고무, 부타디엔 고무와 같은 합성고무, 또는 합성고무와 천연고무를 혼합한 혼합고무로 이루어진 고무 중 어느 것이나 사용가능하며, 혼합고무의 경우 합성고무와 천연고무의 혼합비율에는 특별한 제한이 없다.As the raw material rubber used in the present invention, any one of styrene butadiene rubber, synthetic rubber such as butadiene rubber, or rubber made of mixed rubber mixed with synthetic rubber and natural rubber can be used, and in the case of mixed rubber, synthetic rubber and natural rubber There is no particular limitation on the mixing ratio of.

본 발명에서 사용되는 점착제의 사용량은 5~20중량부인 것이 바람직한데, 5중량부 미만인 경우에는 사용량이 너무 소량이기 때문에 본 발명에서 원하는 효과를 발휘하기 어렵고, 20중량부를 초과하는 경우에는 물성 하락 및 배합 공정성이 하락하는 경향을 나타내므로 바람직하지 않다.The amount of the pressure-sensitive adhesive used in the present invention is preferably 5 to 20 parts by weight, if less than 5 parts by weight of the amount is too small, it is difficult to achieve the desired effect in the present invention, when it exceeds 20 parts by weight It is not preferable because the compounding fairness tends to decrease.

본 발명의 고무 조성물에는 일반적인 고무 조성물에 첨가되는 통상의 첨가제 들, 예로서 카본블랙, 실리카, 공정유, 노화방지제, 유황, 촉진제 등을 배합할 수 있다.In the rubber composition of the present invention, conventional additives added to a general rubber composition, for example, carbon black, silica, process oil, anti-aging agent, sulfur, accelerator, and the like can be blended.

본 발명의 초고속 주행용 타이어 트레드 고무 조성물은 특정 조성의 점착제를 적용함으로써 타이어의 제동성능 및 조정 안정성을 향상시킬 수 있다.The ultra-fast running tire tread rubber composition of the present invention can improve braking performance and adjustment stability of a tire by applying an adhesive of a specific composition.

이하 실시예를 통하여 본 발명을 상세하게 설명한다. 그러나 이들 실시예는 예시적인 목적일 뿐, 본 발명이 이에 대한되는 것은 아니다.The present invention will be described in detail through the following examples. However, these examples are for illustrative purposes only, and the present invention is not intended to be.

실시예Example 및  And 비교예Comparative example

하기 표 1에 나타낸 시험고무 조성물의 배합사양에 따라 각 성분들을 밴버리 믹서에 넣고 배합하고, 160℃에서 15분 동안 가류하여 고무 조성물을 제조하여 경도, 300% 모듈러스, 마모, 동적 점탄성을 ASTM 규격에 준하여 측정하였고, 그 결과를 하기 표 2에 나타내었다.According to the compounding specifications of the test rubber composition shown in Table 1, each component was put in a Banbury mixer, blended and vulcanized at 160 ° C. for 15 minutes to prepare a rubber composition. The measurement was carried out according to the following procedure, and the results are shown in Table 2 below.

(단위:중량부)                                              (Unit: weight part) 구 분division 비교예Comparative example 실시예Example 스티렌부타디엔고무Styrene Butadiene Rubber 100100 100100 카본블랙Carbon black 4040 4040 실리카Silica 4545 4545 공정유Process oil 3030 3030 노화방지제1 ) Antioxidant 1 ) 55 55 유황brimstone 22 22 촉진제2 ) Accelerator 2 ) 1.71.7 1.71.7 점착제3 ) Adhesive 3 ) -- 1010

주)week)

1) 노화방지제 : 6-PPD(N-(1,3-(디메틸부틸)-N'-페닐-P-페닐렌디아민(N-(1,3-DIMETHYLBUTYL)-N'-PHENYL-P-PHENYLENEDIAMINE))1) Antioxidant: 6-PPD (N- (1,3- (dimethylbutyl) -N'-phenyl-P-phenylenediamine (N- (1,3-DIMETHYLBUTYL) -N'-PHENYL-P-PHENYLENEDIAMINE ))

2) 촉진제 : CZ(시클로헥실 벤조티아졸 설펜아미드(cyclohexyl benzothiazol sulfenamide), 코오롱사 제조)2) Accelerator: CZ (cyclohexyl benzothiazol sulfenamide, manufactured by Kolon Corporation)

3) 점착제 : C-90(코오롱사 제조)3) Adhesive: C-90 (KOLON Corporation)

구 분division 비교예Comparative example 실시예Example 경도(쇼어A법)Hardness (Shore A Method) 7272 7171 300%-모듈러스(kg/㎠)300% -modulus (kg / ㎠) 135135 105105 마모(g)Wear (g) 0.0270.027 0.0300.030 Tanδ(0℃)Tanδ (0 ℃) 0.4990.499 0.6640.664 Tanδ(70℃)Tanδ (70 ° C) 0.1830.183 0.2050.205

* 마모(Pico Abrasion) : 피코 어브레이젼 테스트(Pico Abrasion Test)는 비ㆍ에프ㆍ굿리치 어브레이젼 테스트(B.F.Goodrich Abrasion Test)를 이용하여 측정한 후 마모된 값으로서, 수치가 적을수록 고무의 마모 성능이 우수함을 나타낸다. * Pico Abrasion: The Pico Abrasion Test is a value worn out after measurement using the BFGoodrich Abrasion Test. Shows excellent wear performance.

* 동적점탄성(Tanδ) :가보 테스트(Gabo Test)를 이용하여 11Hz, 1.25% 스트레인 (Strain) 조건으로 온도를 변화시키면서 측정한 값으로서, 0℃에서의 Tanδ값이 클수록 고무 조성물의 그립 성능이 우수하여 노면에서의 제동성능 및 조정 안정성이 우수함을 나타낸다.* Dynamic viscoelasticity (Tanδ): Measured by changing the temperature at 11Hz, 1.25% strain condition using the Gabo Test. The higher the value of Tanδ at 0 ° C, the better the grip performance of the rubber composition. This results in excellent braking performance and adjustment stability on the road surface.

상기 표 2에서 알 수 있는 바와 같이, 실시예의 고무 조성물은 기계적 물성은 비교예의 고무 조성물과 동등 수준을 유지하면서 제동성능 및 조정 안정성이 현저히 우수하다.As can be seen in Table 2, the rubber composition of the embodiment is excellent in braking performance and adjustment stability while maintaining the mechanical properties equivalent to the rubber composition of the comparative example.

Claims (2)

원료고무 100중량부에 대하여, 쿠마론 4~6중량%, 인덴 30~35중량%, 스티렌 10~13중량% 및 포화탄화수소 50~55중량%로 이루어진 점착제 5~20중량부를 포함하여 이루어진 것을 특징으로 하는 초고속 주행용 타이어 트레드 고무 조성물.With respect to 100 parts by weight of the raw material rubber, 4 to 6% by weight of coumarone, 30 to 35% by weight of indene, styrene 10 to 13% by weight and 50 to 55% by weight of saturated hydrocarbon, including 5 to 20 parts by weight Ultra-high speed tire tread rubber composition. 제 1항에 따른 고무 조성물로 이루어진 트레드부를 갖는 초고속 주행용 타이어.An ultra-high speed tire having a tread portion made of the rubber composition according to claim 1.
KR1020080060045A 2008-06-25 2008-06-25 Tread rubber composition for tire of high performance KR100963379B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2694566B2 (en) * 1989-10-23 1997-12-24 横浜ゴム株式会社 Coated rubber composition for carcass of pneumatic tire
KR20020080781A (en) * 2001-04-17 2002-10-26 금호산업 주식회사 Rubber composition improved cohesive
WO2006070529A1 (en) * 2004-12-27 2006-07-06 Lintec Corporation Pressure-sensitive adhesive sheet for tire
KR20060125185A (en) * 2005-06-02 2006-12-06 금호타이어 주식회사 Tire capply rubber composition for low build up properties

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2694566B2 (en) * 1989-10-23 1997-12-24 横浜ゴム株式会社 Coated rubber composition for carcass of pneumatic tire
KR20020080781A (en) * 2001-04-17 2002-10-26 금호산업 주식회사 Rubber composition improved cohesive
WO2006070529A1 (en) * 2004-12-27 2006-07-06 Lintec Corporation Pressure-sensitive adhesive sheet for tire
KR20060125185A (en) * 2005-06-02 2006-12-06 금호타이어 주식회사 Tire capply rubber composition for low build up properties

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