KR20000025487A - Color tread rubber composition for tire - Google Patents
Color tread rubber composition for tire Download PDFInfo
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- KR20000025487A KR20000025487A KR1019980042584A KR19980042584A KR20000025487A KR 20000025487 A KR20000025487 A KR 20000025487A KR 1019980042584 A KR1019980042584 A KR 1019980042584A KR 19980042584 A KR19980042584 A KR 19980042584A KR 20000025487 A KR20000025487 A KR 20000025487A
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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
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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
-
- 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
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/013—Fillers, pigments or reinforcing additives
-
- 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
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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
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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
- C08L9/06—Copolymers with styrene
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
본 발명은 충전제 및 보강제로 실리카 함량 100%를 사용하고 다양한 색상의 안료를 혼합한 유색 트레드 고무조성물에 자외선 안정제를 적용하여 내변색성의 문제점을 해결하여 우수한 성능의 타이어를 제공하는데 있다.The present invention solves the problem of discoloration resistance by applying an ultraviolet stabilizer to a colored tread rubber composition using a 100% silica content as a filler and a reinforcing agent and mixed with pigments of various colors to provide a tire of excellent performance.
현재까지 타이어에 사용된 재료는 대부분 카본블랙을 보강제로 사용해 왔기 때문에 흑색타이어가 주종을 이루어 왔으며 일부 색상의 변화를 주기 위하여 사이드월(Sidewall)에 흰색 고무조성물을 적용하는데 국한되어 왔다. 그러나 타이어용 재료와 제조기술의 발달로 타이어의 모든 구성요소에 다양한 색상을 적용할 수 있게 되었는데 특히 비 오염성인 점토(Clay), 탄산칼슘(Calcium carbonate, CaCO3), 실리카(Silica), 이산화티타늄(Titanium dioxide, TiO2) 등의 충전제 및 보강제를 활용하여 타이어의 외관을 크게 개선시켰다.Until now, most of the materials used in tires have been made of carbon black as a reinforcing agent, and black tires have prevailed, and it has been limited to applying white rubber compositions to sidewalls to change some colors. However, with the development of tire materials and manufacturing technology, it is possible to apply various colors to all components of the tire, especially clay, calcium carbonate (CaCO 3 ), silica (Silica) and titanium dioxide (non-polluting). (Titanium dioxide, TiO 2 ) fillers and reinforcements have been used to significantly improve the appearance of the tire.
타이어의 구성요소 중 특히 트레드(Tread) 부위는 노면과의 다양한 형태로 직접 접촉되는 부분이기 때문에 마모, 연비, 제동성능, 조종안정성, 고속 주행성 등의 요구특성을 갖추어야 한다. 충전제 및 보강제로 카본블랙을 사용하는 경우 트래드-오프(Trade-off) 성능을 제외한 별다른 문제점은 없으나 비 오염성인 실리카를 보강제 및 충전제로 사용하는 경우 친수성을 나타내는 실리카와 일반 타이어에 사용하는 친유성 고무와의 상용성이 떨어져 분산성이 약하게 되므로 내마모성이 떨어지는 경향이 있고 또한 가혹한 회전운동을 하며 외부에 노출된 상태에서는 유색 고무조성물의 내변색성, 내노화성, 컷그로스(Cut growth) 성능이 매우 취약하게 되는 문제점이 있다.Since the tread part of the tire component is in direct contact with the road surface in various forms, it has to have required characteristics such as wear, fuel economy, braking performance, steering stability, and high speed driving performance. When carbon black is used as a filler and a reinforcing agent, there is no problem except for the trade-off performance. However, when non-contaminated silica is used as a reinforcing agent and filler, lipophilic rubber used for silica and general tires that exhibits hydrophilicity It has a low dispersibility due to its poor compatibility with, and it tends to be abrasion-resistant. In addition, it has a severe rotational movement and is very weak in discoloration resistance, aging resistance and cut growth performance of the colored rubber composition when exposed to the outside. There is a problem.
본 발명은 충전제 및 보강제로 실리카 100%를 사용한 고무조성물에 다양한 색상의 안료를 조합하고 자외선 안정제를 사용하여 상기에서 언급한 문제점 중에서 내변색성을 향상시킨 타이어용 유색 트레드 고무조성물을 제공하는데 있다.The present invention is to provide a pigmented tread rubber composition for tires, in which a pigment of various colors is combined with a rubber composition using 100% silica as a filler and a reinforcing agent, and an ultraviolet stabilizer is used to improve discoloration resistance among the above-mentioned problems.
본 발명의 타이어용 유색 트레드 고무조성물에 있어서, 천연고무(NR), 부타디엔 고무(BR), 스티렌-부타디엔 고무(SBR) 등의 폴리머와 충전제 및 보강제로 실리카 100%를 사용하였으며 기타 첨가제로 상용화제, 분산제, 폴리에틸렌글리콜(PEG), 페놀릭 계(Phenolic type)의 노화방지제, 고온용 및 저온용 왁스, No. 2의 오일, 황(S), CZ(N-cyclohexyl-2-benzothiazol sulfuric acid), DPG(N,N-Diphenyl guanidine) 등을 사용하였고, 색을 나타내기 위해 안료를, 고무조성물의 내변색성의 향상을 위해 자외선(Ultraviolet, UV) 안정제를 사용하였다.In the colored tread rubber composition of the present invention, 100% silica was used as a filler and a reinforcing agent such as natural rubber (NR), butadiene rubber (BR), styrene-butadiene rubber (SBR), etc. , Dispersant, polyethylene glycol (PEG), phenolic type anti-aging agent, high temperature and low temperature wax, No. 2 oil, sulfur (S), N-cyclohexyl-2-benzothiazol sulfuric acid (CZ), DPG (N, N-Diphenyl guanidine), etc. were used. Ultraviolet (UV) stabilizers were used for improvement.
이하 본 발명을 다음의 비교예, 실시예, 시험예에 의하여 설명하고자 한다. 그러나 이들은 본 발명의 설명을 용이하게 하기 위하여 제공되는 것일 뿐 본 발명의 기술적 범위가 이들에 의해 한정되는 것은 아니다.Hereinafter, the present invention will be described by the following comparative examples, examples and test examples. However, these are provided only to facilitate the description of the present invention, but the technical scope of the present invention is not limited thereto.
< 비교예 ><Comparative Example>
폴리머로 천연고무 40 PHR(Part per hundred rubber)과 스티렌-부타디엔 고무 60 PHR을 사용하고, 충전제 및 보강제로 실리카 함량 100%를 70 PHR 사용한다. 기타 첨가제로서 상용화제는 100NS를 2 PHR 사용하고, 분산제는 Zinc Soap을 2 PHR 사용하고, 폴리에틸렌글리콜(PEG)은 3.5 PHR 사용하고, 페놀릭 계의 노화방지제는 Wingstay-L을 2 PHR 사용하고, 중온용 왁스는 Sunprax 652를 2.0 PHR 사용하고, 저온용 왁스는 Sunprax 602를 1.5 PHR 사용하고, No. 2 오일은 22 PHR 사용한다. 안료는 적색을 나타내는 것으로써 아조계의 2-Naphthalenecarboxamide-N, N'- (2-chloro-1,4phenylene)bis[4-[2,5-dichlorophenyl)azo]-3-hydroxy](CA INDEX 5280-78-4)와 Quino[2, 3-b]acridine-7,14-dione,5,12-dihydro(CA INDEX 5247-16- 1)를 50 : 50 으로 혼합한 4 PHR과 황색을 나타내는 안료는 아조계의 Butaamide, 2, 2'-[(3, 3'-dichloro[1, 1'biphenyl]-4, 4'-diyl)bis(azo)]bis[N-chloro-2, 5- dimethoxypjenyl)-3-oxo](CA INDEX 5567-15-7) 4 PHR과 청색을 나타내는 안료는 프탈로시아닌(Phtalocianine)계 copper[29H, 31H-phthalocyaninato(2-)-N29, N30, N31, N32]-(sp-4-1)(CA INDEX 147-14-8)을 2 PHR을 사용하고, 황(S)은 1.9 PHR 사용하고, CZ는 2.0 PHR 사용하고, DPG는 1.4 PHR을 사용하여 타이어용 유색 트레드 고무를 제조한다. 아래의 표 1에 비교예 및 각 실시예의 조성을 자세히 나타내었다.The polymer uses natural rubber 40 PHR (Part per hundred rubber) and styrene-butadiene rubber 60 PHR, and the filler and reinforcing agent 100% silica content of 70 PHR. As other additives, the compatibilizer uses 100 NS for 2 PHR, the dispersant uses 2 PHR for Zinc Soap, the polyethylene glycol (PEG) for 3.5 PHR, the phenolic anti-aging agent uses Wingstay-L for 2 PHR, Medium temperature wax uses Sunprax 652 with 2.0 PHR, and low temperature wax uses Sunprax 602 with 1.5 PHR. 2 oils use 22 PHR. Pigment is red, which is azo 2-Naphthalenecarboxamide-N, N '-(2-chloro-1,4phenylene) bis [4- [2,5-dichlorophenyl) azo] -3-hydroxy] (CA INDEX 5280) -78-4) and 4 PHR mixed with Quino [2, 3-b] acridine-7,14-dione, 5,12-dihydro (CA INDEX 5247-16-1) at 50:50 and yellow pigment Azo Butaamide, 2, 2 '-[(3, 3'-dichloro [1, 1'biphenyl] -4, 4'-diyl) bis (azo)] bis [N-chloro-2, 5-dimethoxypjenyl ) -3-oxo] (CA INDEX 5567-15-7) 4 PHR and blue pigment are Phthalocianine copper [29H, 31H-phthalocyaninato (2-)-N 29 , N 30 , N 31 , N 32 ]-(sp-4-1) (CA INDEX 147-14-8) using 2 PHR, sulfur (S) using 1.9 PHR, CZ using 2.0 PHR, DPG using 1.4 PHR Manufacture colored tread rubber for tires. Table 1 below shows the composition of the Comparative Example and each Example in detail.
< 실시예 1 ><Example 1>
폴리머로 천연고무 30 PHR과 스티렌-부타디엔 고무 70 PHR을 사용하고 자외선 안정제로 2,4-디하이드록시벤조페논(2,4-Dihydroxybenzophenone)을 0.5 PHR 사용하는 것을 제외하고는 비교예와 같은 조성물로 타이어용 유색 트레드 고무조성물을 제조한다.The same composition as the Comparative Example was used except that 30 PHR of natural rubber and 70 PHR of styrene-butadiene rubber were used as a polymer and 0.5 PHR of 2,4-dihydroxybenzophenone was used as an ultraviolet light stabilizer. A colored tread rubber composition for a tire is prepared.
< 실시예 2 ><Example 2>
폴리머로 천연고무 40 PHR, 부타디엔 고무 20 PHR, 스티렌-부타디엔 고무 40 PHR을 사용하고 자외선 안정제로 2,4-디하이드록시벤조페논 (2,4- Dihydroxybenzophenone)을 1.5 PHR 사용하는 것을 제외하고는 비교예와 같은 조성물로 타이어용 유색 트레드 고무조성물을 제조한다.Comparison except using 40 PHR of natural rubber, 20 PHR of butadiene rubber, 40 PHR of styrene-butadiene rubber and 1.5 PHR of 2,4-dihydroxybenzophenone as UV stabilizer A colored tread rubber composition for a tire is prepared by the same composition as the example.
< 실시예 3 ><Example 3>
자외선 안정제로 2,4-디하이드록시벤조페논(2,4-Dihydroxybenzophenone)을 2.5 PHR 사용하는 것을 제외하고는 비교예와 같은 조성물로 타이어용 유색 트레드 고무조성물을 제조한다.A colored tread rubber composition for tires was prepared using the same composition as in Comparative Example except that 2,4-Dihydroxybenzophenone was used as a UV stabilizer for 2.5 PHR.
< 실시예 4 ><Example 4>
자외선 안정제로 2,4-디하이드록시벤조페논(2,4-Dihydroxybenzophenone)을 3.5 PHR 사용하는 것을 제외하고는 비교예와 같은 조성물로 타이어용 유색 트레드 고무조성물을 제조한다.A colored tread rubber composition for a tire was prepared using the same composition as in Comparative Example except that 2,4-Dihydroxybenzophenone was used as a UV stabilizer to 3.5 PHR.
< 실시예 5 ><Example 5>
충전제 및 보강제로 실리카 함량 100%를 50 PHR 사용하고, 폴리에틸렌글리콜(PEG)을 2.5 PHR 사용하고, 자외선 안정제로 2,4-디하이드록시벤조페논(2,4- Dihydroxybenzophenone)을 2.0 PHR 사용하는 것을 제외하고는 비교예와 같은 조성물로 타이어용 유색 트레드 고무조성물을 제조한다.50 PHR of 100% silica, 2.5 PHR of polyethylene glycol (PEG) and 2.0 PHR of 2,4-dihydroxybenzophenone as UV stabilizer. A color tread rubber composition for tires is prepared with the same composition as in Comparative Example.
< 실시예 6 ><Example 6>
충전제 및 보강제로 실리카 함량 100%를 80 PHR 사용하고, 폴리에틸렌글리콜(PEG)을 4 PHR 사용하고, 자외선 안정제로 2,4-디하이드록시벤조페논(2,4- Dihydroxybenzophenone)을 2.0 PHR 사용하는 것을 제외하고는 비교예와 같은 조성물로 타이어용 유색 트레드 고무조성물을 제조한다.80 PHR of 100% silica, 4 PHR of polyethylene glycol (PEG), 2.0 PHR of 2,4-dihydroxybenzophenone as UV stabilizer. A color tread rubber composition for tires is prepared with the same composition as in Comparative Example.
표 1. 비교예 및 실시예의 조성 (단위 : PHR)Table 1. Composition of Comparative Example and Example (Unit: PHR)
< 시험예 ><Test Example>
위의 비교예 및 실시예의 조성으로 제조한 타이어용 유색 트레드 고무의 물성측정은 ASTM(American society for testing and materials) D1012, 1013 방법으로 내변색성을 시험하였으며 ASTM D2240 방법으로 경도(Hardness)를 시험하였다. 한편 ASTM D412 방법을 이용하여 인장강도(Tensile strength), 300% 모듈러스(300% Modulus), 변형율(Elogation rate)을 측정하였다. 아래의 표 2에는 비교예 및 각 실시예의 물성 측정결과를 나타냈다.Measurement of physical properties of colored tread rubber for tires prepared by the composition of Comparative Examples and Examples above was tested for discoloration resistance by ASTM (American society for testing and materials) D1012, 1013 method and the hardness (Hardness) by ASTM D2240 method It was. Tensile strength, 300% modulus, and deformation rate were measured using the ASTM D412 method. Table 2 below shows the measurement results of the physical properties of the Comparative Example and each Example.
표 2. 비교예 및 실시예의 물성 측정결과Table 2. Measurement Results of Physical Properties of Comparative Examples and Examples
본 발명의 트레드 고무조성물로 제조한 타이어는 상기의 표 2에서 알 수 있듯이 인장강도, 300% 모듈러스(압축강도), 변형율 등에 전혀 영향이 없으면서도 내변색성을 크게 향상시켜 타이어 색상을 다양화하고 외관을 향상시킬 수 있다.Tires made of the tread rubber composition of the present invention, as shown in Table 2 above, greatly improves the discoloration resistance without affecting the tensile strength, 300% modulus (compressive strength), strain, etc. Appearance can be improved.
Claims (6)
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030030138A (en) * | 2001-10-08 | 2003-04-18 | 금호산업 주식회사 | Tread rubber composition with silica improved processibility and dispersibility |
KR100388629B1 (en) * | 2000-08-24 | 2003-06-25 | 금호산업주식회사 | rubber composi tion filled silica and rubber compound method thereof |
KR100475350B1 (en) * | 2002-11-22 | 2005-03-11 | 한국타이어 주식회사 | Rubber composition for white sidewall of pneumatic tire |
EP2690134A1 (en) * | 2012-07-25 | 2014-01-29 | Sumitomo Rubber Industries, Ltd. | Tire rubber composition and pneumatic tire |
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KR100445834B1 (en) * | 2001-11-26 | 2004-08-25 | 한국타이어 주식회사 | Reversible color sidewall rubber composition |
WO2018150940A1 (en) * | 2017-02-20 | 2018-08-23 | 東洋紡株式会社 | Polyester film and applications thereof |
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1998
- 1998-10-12 KR KR1019980042584A patent/KR100299101B1/en not_active IP Right Cessation
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100388629B1 (en) * | 2000-08-24 | 2003-06-25 | 금호산업주식회사 | rubber composi tion filled silica and rubber compound method thereof |
KR20030030138A (en) * | 2001-10-08 | 2003-04-18 | 금호산업 주식회사 | Tread rubber composition with silica improved processibility and dispersibility |
KR100475350B1 (en) * | 2002-11-22 | 2005-03-11 | 한국타이어 주식회사 | Rubber composition for white sidewall of pneumatic tire |
EP2690134A1 (en) * | 2012-07-25 | 2014-01-29 | Sumitomo Rubber Industries, Ltd. | Tire rubber composition and pneumatic tire |
US9518173B2 (en) | 2012-07-25 | 2016-12-13 | Sumitomo Rubber Industries, Ltd. | Tire rubber composition and pneumatic tire |
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