KR19990026211A - Tread Silica Rubber Composition - Google Patents

Tread Silica Rubber Composition Download PDF

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Publication number
KR19990026211A
KR19990026211A KR1019970048263A KR19970048263A KR19990026211A KR 19990026211 A KR19990026211 A KR 19990026211A KR 1019970048263 A KR1019970048263 A KR 1019970048263A KR 19970048263 A KR19970048263 A KR 19970048263A KR 19990026211 A KR19990026211 A KR 19990026211A
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South Korea
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phr
silica
rubber composition
rubber
tread
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KR1019970048263A
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Korean (ko)
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박제환
조선이
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신형인
금호타이어 주식회사
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Priority to KR1019970048263A priority Critical patent/KR19990026211A/en
Publication of KR19990026211A publication Critical patent/KR19990026211A/en

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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
    • C08L9/00—Compositions of homopolymers or copolymers of conjugated diene 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
    • 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
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • 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
    • 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
    • C08L9/06—Copolymers with styrene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure

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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)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

본 발명은 트레드용 실리카 고무조성물에 관한 것으로, 좀더 상세하게 용액중합 스티렌-부타디엔 고무와 네오디움 부타디엔 고무를 원료고무로 하고 실리카, 실리카와 고무의 결합을 위한 커플링제 및 공정조제 등으로 이루워진 실리카 고무조성물에 관한 것이다.The present invention relates to a silica rubber composition for tread, and more particularly, a silica made of a solution-polymerized styrene-butadiene rubber and neodium butadiene rubber as a raw material rubber, and a coupling agent and a process aid for bonding silica, silica and rubber. It relates to a rubber composition.

본 발명의 목적은 기존의 실리카를 적용한 트레드 고무조성물의 단점인 회전저항과 제동력을 동시에 개선하고, 내마모성을 향상시킨 새로운 실리카 트레드 고무조성물을 제공함에 있다.An object of the present invention is to provide a new silica tread rubber composition which improves the wear resistance and the rotation resistance and braking force at the same time, which is a disadvantage of the tread rubber composition to which the existing silica is applied.

따라서, 본 발명은 용액중합 스티렌-부타디엔 고무 (Solution Styrene-Butadiene Rubber) 80-100 PHR과 네오디움 부타디엔 고무(Neodymium Butadiene Rubber) 0-20 PHR에 대하여 실리카 70-100 PHR, 카본블랙 5-10 PHR, 커플링제 5-12 PHR, 공정오일 20-50 PHR, 공정조제 2-5 PHR, 가류활성제 2-4 PHR, 노화방지제 2-4 PHR, 가류제 1-3 PHR 및 가류촉진제 1-3 PHR를 함유하는 트레드용 실리카 고무조성물 임을 특징으로 한다.Accordingly, the present invention relates to solution-polymerized styrene-butadiene rubber 80-100 PHR and neodymium butadiene rubber 0-20 PHR silica 70-100 PHR, carbon black 5-10 PHR , Coupling agent 5-12 PHR, process oil 20-50 PHR, process aid 2-5 PHR, vulcanizing agent 2-4 PHR, anti-aging agent 2-4 PHR, vulcanizing agent 1-3 PHR and vulcanization accelerator 1-3 PHR It is characterized by comprising a silica rubber composition for tread.

Description

트레드용 실리카 고무조성물Tread Silica Rubber Composition

본 발명은 트레드용 실리카 고무조성물에 관한 것으로, 좀더 상세하게는 용액중합 스티렌-부타디엔 고무와 네오디움 부타디엔 고무를 원료고무로 하고 실리카, 실리카와 고무의 결합을 위한 커플링제 및 공정조제 등으로 이루워진 실리카 고무조성물에 관한 것이다.The present invention relates to a silica rubber composition for tread, and more specifically, made of a solution-polymerized styrene-butadiene rubber and neodium butadiene rubber as a raw material rubber, and a coupling agent and a process aid for bonding silica, silica and rubber. It relates to a silica rubber composition.

승용차용 타이어의 신기류는 스티렌-부타디엔 고무와 부타디엔 고무를 기초로 하여 커플링제를 도입한 고활성 실리카를 적용한 트레드를 이용하여 회전저항을 줄이고, 젖은 노면에서의 제동력 및 겨울철 주행성능을 개선하는 것이 대부분이다.The new type of tires for passenger cars is based on styrene-butadiene rubber and butadiene rubber, using a tread made of high-activated silica with a coupling agent, which reduces rolling resistance, improves braking power on winter roads, and improves winter driving performance. Mostly.

최근 몇년동안 타이어 제조회사 들은 이 분야에 연구개발 노력을 집중시켜 왔으며, 이러한 원리를 적용한 타이어를 개발하였다. 타이어 제조회사 별로 적용한 기술들을 살펴 보면, 미쉐린사의 그린 타이어 기술, 콘티넨탈사의 실리카 기술 및 굳이어사의 신 컴파운드 기술 들이 있는데, 이러한 신 실리카 기술의 주요인자는 폴리머와 충진제 및 커플링제로 이루워져 있다.In recent years, tire manufacturers have concentrated their research and development efforts on this area and have developed tires that apply this principle. The technologies applied by tire manufacturers include Michelin's green tire technology, Continental's silica technology and Goodyear's new compound technology, which are composed of polymers, fillers and coupling agents.

상기의 기술들을 적용한 신승용차용 트레드는 1994년 이후 부터 유럽시장에서 사용되어지고 있으나, 실리카를 적용한 신기술도 회전저항과 제동력을 동시에 개선하는데는 한계가 있었다.Treads for passenger cars using the above technologies have been used in the European market since 1994, but new technologies using silica also had limitations in improving rotational resistance and braking power.

본 발명자 들은 이러한 문제점을 해결하고자 연구를 수행하던 중, 용액중합 스티렌-부타디엔 고무와 네오디움 부타디엔 고무를 원료고무로하고 실리카와 고무의 결합을 위한 커플링제를 첨가하여 회전저항과 제동력을 동시에 개선시킬 수 있음을 알아내고 본 발명을 완성하였다.The inventors of the present invention have been researching to solve these problems, while using solution-polymerized styrene-butadiene rubber and neodium butadiene rubber as raw materials and adding a coupling agent for bonding silica and rubber to improve the rotational resistance and braking force at the same time. It was found that the present invention can be completed.

따라서, 본 발명의 목적은 기존의 실리카를 적용한 트레드 고무조성물의 단점인 회전저항과 제동력을 동시에 개선하고, 내마모성을 향상시킨 새로운 실리카 트레드 고무조성물을 제공함에 있다.Accordingly, it is an object of the present invention to provide a new silica tread rubber composition which simultaneously improves rotation resistance and braking force, which is a disadvantage of the tread rubber composition to which silica is applied, and improves wear resistance.

즉, 본 발명은 용액중합 스티렌-부타디엔 고무 (Solution Styrene-Butadiene Rubber) 0-100 PHR과 네오디움 부타디엔 고무(Neodymium Butadiene Rubber) 0-20 PHR에 대하여 실리카 70-100 PHR, 카본블랙 5-10 PHR, 커플탕제 5-12 PHR, 공정오일 20-50 PHR, 공정조제 2-5 PHR, 가류활성제 2-4 PHR, 노화방지제 2-4 PHR, 가류제 1-3 PHR 및 가류촉진제 1-3 PHR를 함유하는 트레드용 실리카 고무조성물 임을 특징으로 한다.That is, the present invention is based on the solution-polymerized styrene-butadiene rubber 0-100 PHR and neodymium butadiene rubber 0-20 PHR silica 70-100 PHR, carbon black 5-10 PHR , 5-12 PHR for couple bath, 20-50 PHR for process oil, 2-5 PHR for process aid, 2-4 PHR for vulcanizing agent, 2-4 PHR for anti-aging agent, 1-3 PHR for vulcanizing agent and 1-3 PHR for vulcanization accelerator. It is characterized by comprising a silica rubber composition for tread.

본 발명에 의한 실리카 트레드 고무조성물은 용액중합 스티렌-부타디엔 고무 (Solution Styrene-Butadiene Rubber) 80-100 PHR과 네오디움 부타디엔 고무 (Neodymium Butadiene Rubber) 0-20 PHR에 대하여 실리카 70-100 PHR, 카본블랙 5-10 PHR, 커플링제 5-12 PHR, 공정오일 20-50 PHR, 공정조제 2-5 PHR, 가류활성제 2-4 PHR, 노화방지제 2-4 PHR, 가류제 1-3 PHR 및 가류촉진제 1-3 PHR로 이루워져 있다.The silica tread rubber composition according to the present invention is prepared by solution polymerization styrene-butadiene rubber 80-100 PHR and neodymium butadiene rubber 0-20 PHR silica 70-100 PHR, carbon black 5-10 PHR, coupling agent 5-12 PHR, process oil 20-50 PHR, process aid 2-5 PHR, vulcanizing agent 2-4 PHR, anti-aging agent 2-4 PHR, vulcanizing agent 1-3 PHR and vulcanization accelerator 1 It consists of -3 PHR.

본 발명에 사용되는 용액중합 스티렌-부타디엔 고무는 무늬점도가 45, 스티렌 함량 이 18%이고, 비닐 함량은 13%이다. 또한, 네오디움 부타디엔 고무는 무늬점도가 62, 시스-1,4 함량 (Cis-1,4 content)이 98%이고, 실리카의 BET 값은 130 이상이다.The solution-polymerized styrene-butadiene rubber used in the present invention has a pattern viscosity of 45, a styrene content of 18%, and a vinyl content of 13%. In addition, neodymium butadiene rubber has a pattern viscosity of 62, a cis-1,4 content of 98%, and a BET value of silica of 130 or more.

본 발명에 의해 제조된 실리카트레드 고무조성물의 가황특성 및 물리적 특성 시험은 ASTM 표준규격에 의하여 실시하였는데, 무늬점도 및 스코치시간 측정은 ASTM D-2084-91, 인장시험은 ASTM D412-92, 피코마모 시험은 ASTM D2228-83, 레오미터 시험은 ASTM D2084-91, 디마티아굴고시험은 ASTM D430-73, 반발탄성 및 발열특성 시험은 각각 ASTM D2632-92 및 ASTM D623, TAN δ은 ASTM D2231-87에 의하여 측정하였다.The vulcanization and physical property test of the silica tread rubber composition prepared according to the present invention was carried out according to the ASTM standard, the measurement of the pattern viscosity and scorch time is ASTM D-2084-91, tensile test ASTM D412-92, picoma The test is ASTM D2228-83, the rheometer test is ASTM D2084-91, the dimatia gulp test is ASTM D430-73, and the resilience and exothermic properties test are ASTM D2632-92 and ASTM D623, TAN δ is ASTM D2231-87, respectively. Was measured.

다음의 실시예 및 비교예를 통하여 본 발명을 보다 상세히 설명한다.The present invention will be described in more detail with reference to the following examples and comparative examples.

그러나, 본 발명이 이들 실시예에 국한되는 것은 아니다.However, the present invention is not limited to these examples.

실시예 1Example 1

원료고무로 용액중합 스티렌-부타디엔 고무 100 PHR, 카본블랙 10 PHR, 실리카 65 PHR, 커플링제 10 PHR, 공정오일 40 PHR, 공정조제 5 PHR, 가류활성제로 산화아연 3 PHR 및 스테아린산 1 PHR, 노화방지제 3 PHR, 지연제 2 PHR, 가류제 1.5 PHR 및 가류촉진제 2 PHR 를 배버리 믹서에서 혼합, 배합하여 160℃에서 방출시켰다.Solution polymerization with raw material rubber 100 PHR, carbon black 10 PHR, silica 65 PHR, coupling agent 10 PHR, process oil 40 PHR, process aid 5 PHR, zinc oxide 3 PHR and stearic acid 1 PHR as a vulcanizing agent, antioxidant 3 PHR, retardant 2 PHR, vulcanizing agent 1.5 PHR and vulcanization accelerator 2 PHR were mixed and blended in a Beverly mixer and released at 160 ° C.

생성된 고무조성물의 가황특싱 및 물리적 특성시험을 ASTM 표준규격에 의하여 실시하였는 바, 고무조성물의 성분비 및 특성시험 결과를 다음의 표 1 및 표 2에 나타내었다.The vulcanization characterization and physical properties of the resulting rubber composition were carried out in accordance with the ASTM standard. The composition ratios and properties of the rubber composition are shown in Tables 1 and 2 below.

실시예 2Example 2

원료고무로 용액중합 스티렌-부타디엔 고무 80 PHR 과 네오디움 부타디엔 고무 20 PHR를 첨가하는 것 이외에는 실시예 1과 동일하게 실시하여 제조한 고무조성물의 가황특성 및 물리적 특성시험을 ASTM 표준규격에 의하여 실시하였는 바, 고무조성둘의 성분비 및 특성시험 결과를 다음의 표 1 및 표 2에 나타내었다.The vulcanization and physical property tests of the rubber composition prepared in the same manner as in Example 1 were carried out in accordance with the ASTM standard, except that 80 PHR of solution-polymerized styrene-butadiene rubber and 20 PHR of neodymium butadiene rubber were added as raw material rubber. Bar, the composition ratio and characteristics test results of the two rubber compositions are shown in Table 1 and Table 2.

비교예 1Comparative Example 1

원료고무로 유화중합 스티렌-부타디엔 고무(Emulsion Styrene-Butadiene Rubber) 100 PHR를 첨가하는 것 이외에는 실시예 1과 동일하게 실시하여 제조한 고무조성물의 가황특성 및 물리적 특성시험을 ASTM 표준규격에 의하여 실시하였는 바, 고무조성물의 성분비 및 특성시험 결과를 다음의 표 1 및 표 2에 나타내었다.The vulcanization and physical properties of the rubber composition prepared in the same manner as in Example 1 except that 100 PHR of emulsion-polymerized styrene-butadiene rubber was added to the raw material rubber were carried out according to ASTM standard. Bar component ratios and characteristics test results of the rubber composition are shown in Table 1 and Table 2 below.

사용된 유화중합 스티렌-부타디엔 고무는 무늬점도가 52 ㅇl고, 스티렌 함량은 23.5%이다.The emulsion-polymerized styrene-butadiene rubber used has a 52 무늬 of viscosity and a styrene content of 23.5%.

비교예 2Comparative Example 2

원료고무로 유화중합 스티렌-부타디엔 고무 80 PHR과 니켈 부타디엔 고무 (Nickel Solution Polybutadiene Rubber) 20 PHR를 첨가하는 것 이외에는 실시예 1과 동일하게 실시하여 제조한 고무조성물의 가황특성 및 물리적 특성시험을 ASTM 표준규격에 의하여 실시하였는 바, 고무조성물의 성분비 및 특성시험 결과를 다음의 표 1 및 표 2에 나타내었다.Except adding 80 PHR of emulsion polymerization styrene-butadiene rubber and 20 PHR of nickel butadiene rubber as raw material rubber, the vulcanization and physical properties of rubber composition prepared in the same manner as in Example 1 were tested. According to the specification, the component ratios and characteristics of the rubber composition are shown in Table 1 and Table 2 below.

사용된 니켈 부타디엔 고무의 무늬점도는 43.5 이고, 시스 1,4 함량 (Cis-1,4 content)은 94%이다.The pattern viscosity of the nickel butadiene rubber used was 43.5, and the cis-1,4 content was 94%.

본 발명에 의한 트레드용 실리카 고무조성물은 표 2에서 보는 바와 같이, 용액중합 스티렌-부타디엔 고무와 네오디움 부타디엔 고무를 적용시킨 실시예 1 및 실시예 2의 결과가 비교예 1 및 비교예 2의 결과와 비교할때, 회전저항, 제동력 및 내마모성이 현저히 개선되었음을 알 수 있다.As shown in Table 2, the silica rubber composition for tread according to the present invention is the result of Examples 1 and 2 to which the solution-polymerized styrene-butadiene rubber and neodymium butadiene rubber are applied. Compared with, it can be seen that the rotational resistance, braking force and wear resistance are significantly improved.

Claims (4)

용액중합 스티렌-부타디엔고무 80-100 PHR과 네오디움 부타디엔 고무 0-20 PHR에 대하여 실리카 70-100 PHR, 카본블랙 5-10 PHR, 커플링제 5-12 PHR, 공정오일 20-50 PHR, 공정조제 2-5 PHR, 가류활성제 2-4 PHR, 노화방지제 2-4 PHR, 가류제 1-3 PHR 및 가류촉진제 1-3 PHR를 함유하는 트레드용 실리카 고무조성물Solution Polymerization Styrene-Butadiene Rubber 80-100 PHR and Neodymium Butadiene Rubber 0-20 PHR Silica 70-100 PHR, Carbon Black 5-10 PHR, Coupling Agent 5-12 PHR, Process Oil 20-50 PHR, Process Aid Tread silica rubber composition containing 2-5 PHR, vulcanizing agent 2-4 PHR, anti-aging agent 2-4 PHR, vulcanizing agent 1-3 PHR and vulcanization accelerator 1-3 PHR 제 1항에 있어서, 용액중합 스티렌-부타디엔 고무는 무늬점도가 45, 스티렌 함량이 18 %이고, 비닐함량은 13 % 임을 특징으로 하는 트레드용 실리카 고무조성물The tread silica rubber composition according to claim 1, wherein the solution-polymerized styrene-butadiene rubber has a pattern viscosity of 45, a styrene content of 18%, and a vinyl content of 13%. 제 1항에 있어서, 네오디움 부타디엔 고무는 무늬점도가 62이고, 시스-1,4 함량이 98 %임을 특징으로 하는 트레드용 실리카 고무 조성물The tread silica rubber composition according to claim 1, wherein the neodymium butadiene rubber has a pattern viscosity of 62 and a cis-1,4 content of 98%. 제 1항에 있어서, 실리카의 BET 값은 130℃이상 임을 특징으로 하는 트레드용 실리카 고무조성물The tread silica rubber composition according to claim 1, wherein the silica has a BET value of 130 ° C or higher.
KR1019970048263A 1997-09-23 1997-09-23 Tread Silica Rubber Composition KR19990026211A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100411739B1 (en) * 2001-08-18 2003-12-18 금호타이어 주식회사 Tread rubber composition improved wet traction
KR100426066B1 (en) * 2001-09-07 2004-04-06 금호타이어 주식회사 Tread rubber composition improved abrasion
KR100476014B1 (en) * 2002-06-28 2005-03-10 금호타이어 주식회사 Tire tread Compound with Low Rolling Resistance
KR100619247B1 (en) * 2004-12-22 2006-09-01 평화오일씰공업주식회사 The polyacrylate rubber composition of oil seal for auto transmission
KR100656260B1 (en) * 2005-06-07 2006-12-11 금호타이어 주식회사 Rubber composition for tire tread having improved abrasion resistance
KR20070000089A (en) * 2005-06-27 2007-01-02 금호타이어 주식회사 Tire tread rubber composition having an improved wear resistance
KR100738673B1 (en) 2006-03-28 2007-07-11 금호타이어 주식회사 Radial pneumatic tire rubber composition

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100411739B1 (en) * 2001-08-18 2003-12-18 금호타이어 주식회사 Tread rubber composition improved wet traction
KR100426066B1 (en) * 2001-09-07 2004-04-06 금호타이어 주식회사 Tread rubber composition improved abrasion
KR100476014B1 (en) * 2002-06-28 2005-03-10 금호타이어 주식회사 Tire tread Compound with Low Rolling Resistance
KR100619247B1 (en) * 2004-12-22 2006-09-01 평화오일씰공업주식회사 The polyacrylate rubber composition of oil seal for auto transmission
KR100656260B1 (en) * 2005-06-07 2006-12-11 금호타이어 주식회사 Rubber composition for tire tread having improved abrasion resistance
KR20070000089A (en) * 2005-06-27 2007-01-02 금호타이어 주식회사 Tire tread rubber composition having an improved wear resistance
KR100738673B1 (en) 2006-03-28 2007-07-11 금호타이어 주식회사 Radial pneumatic tire rubber composition

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