KR100332684B1 - Rubber Composition with Activated Zinc Oxide - Google Patents
Rubber Composition with Activated Zinc Oxide Download PDFInfo
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- KR100332684B1 KR100332684B1 KR1019990033370A KR19990033370A KR100332684B1 KR 100332684 B1 KR100332684 B1 KR 100332684B1 KR 1019990033370 A KR1019990033370 A KR 1019990033370A KR 19990033370 A KR19990033370 A KR 19990033370A KR 100332684 B1 KR100332684 B1 KR 100332684B1
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- rubber
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- weight
- rubber composition
- vulcanization
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 31
- 239000005060 rubber Substances 0.000 title claims abstract description 31
- 239000000203 mixture Substances 0.000 title claims abstract description 19
- RNWHGQJWIACOKP-UHFFFAOYSA-N zinc;oxygen(2-) Chemical class [O-2].[Zn+2] RNWHGQJWIACOKP-UHFFFAOYSA-N 0.000 title description 2
- 239000002245 particle Substances 0.000 claims abstract description 14
- 230000005484 gravity Effects 0.000 claims abstract description 12
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 9
- 229910052725 zinc Inorganic materials 0.000 claims description 9
- 239000011701 zinc Substances 0.000 claims description 9
- 229920003051 synthetic elastomer Polymers 0.000 claims description 7
- 239000005061 synthetic rubber Substances 0.000 claims description 7
- 244000043261 Hevea brasiliensis Species 0.000 claims description 4
- 229920003052 natural elastomer Polymers 0.000 claims description 4
- 229920001194 natural rubber Polymers 0.000 claims description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 3
- 229920002943 EPDM rubber Polymers 0.000 claims description 2
- 238000004073 vulcanization Methods 0.000 abstract description 17
- 150000003751 zinc Chemical class 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 230000020169 heat generation Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 6
- 230000000704 physical effect Effects 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 3
- 239000010734 process oil Substances 0.000 description 3
- 239000001993 wax Substances 0.000 description 3
- 230000003712 anti-aging effect Effects 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000011882 ultra-fine particle Substances 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- QNDQILQPPKQROV-UHFFFAOYSA-N dizinc Chemical compound [Zn]=[Zn] QNDQILQPPKQROV-UHFFFAOYSA-N 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- DEQZTKGFXNUBJL-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)cyclohexanamine Chemical compound C1CCCCC1NSC1=NC2=CC=CC=C2S1 DEQZTKGFXNUBJL-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000012763 reinforcing filler Substances 0.000 description 1
- 238000010058 rubber compounding Methods 0.000 description 1
- 238000013040 rubber vulcanization Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000010059 sulfur vulcanization Methods 0.000 description 1
- LSQCKBODGATDKE-UHFFFAOYSA-H trizinc octadecanoic acid diphosphate Chemical compound P(=O)([O-])([O-])[O-].[Zn+2].C(CCCCCCCCCCCCCCCCC)(=O)O.P(=O)([O-])([O-])[O-].[Zn+2].[Zn+2] LSQCKBODGATDKE-UHFFFAOYSA-H 0.000 description 1
Classifications
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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
-
- 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
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C08L23/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
-
- 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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- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
본 발명은 습식법으로 제조된 활성아연화를 함유하는 타이어용 고무조성물에 관한 것으로서, 보다 상세하게는 특정 성질을 보유하고 있는 활성아연화를 첨가함으로써 가류속도를 증가시키고 고무물성을 향상시켜 우수한 동적특성을 갖는 타이어용 고무조성물에 관한 것이다.The present invention relates to a rubber composition for tires containing activated zinc produced by the wet method, and more particularly, by adding active zincification having specific properties to increase the vulcanization rate and improve rubber properties to have excellent dynamic properties. It relates to a rubber composition for tires.
이를 위하여 본 발명은 원료고무 100 중량부를 기준으로 하여 아연화(ZnO) 함량이 99.20wt% 이상이고, 비중이 5.60±0.1 이며, 평균입자경이 0.03∼0.06㎛, 입자표면적이 양전하를 띠며 비표면적이 12.0±1m2/g, 겉보기 비중이 0.65±0.1g/cc인 활성아연화를 1∼70 중량부를 적용하는 것을 내용으로 한다. 본 발명에 의하면 종래의 일반 아연화대비 60%의 첨가만으로도 가류특성에서 동등한 성능을 나타내며 인장물성에서는 동등이상의 수준을 지닐 뿐만 아니라, 첨가량이 증가함에 따라 가황시간이 단축되고 인장물성, 발열특성, 마모특성, 레오비브론 특성이 종래기술과 비교시 현저히 우수한 가황물성을 지니는 장점이 있다.To this end, the present invention is based on 100 parts by weight of raw rubber (ZnO) content of more than 99.20wt%, specific gravity of 5.60 ± 0.1, the average particle diameter of 0.03 ~ 0.06㎛, the particle surface area is positively charged and the specific surface area is 12.0 It is intended to apply 1 to 70 parts by weight of active zincification with ± 1 m 2 / g and apparent specific gravity of 0.65 ± 0.1 g / cc. According to the present invention, the addition of 60% of conventional galvanization alone shows equivalent performance in vulcanization characteristics, and the equivalent properties in tensile properties, as well as the vulcanization time is shortened as the addition amount is increased, tensile properties, heat generation characteristics, and wear characteristics. In addition, the Leobibrones have the advantage of having a significantly superior vulcanizability compared to the prior art.
Description
본 발명은 습식법으로 제조된 활성아연화를 함유하는 타이어용 고무조성물에 관한 것으로서 보다 상세하게는 특정 성질을 보유하고 있는 활성아연화를 첨가함으로써 가류속도를 증가시키고 고무물성을 향상시켜 우수한 동적특성을 갖는 타이어용 고무조성물에 관한 것이다.The present invention relates to a rubber composition for tires containing activated zinc produced by the wet method, and more particularly, to a rubber having excellent dynamic properties by increasing the vulcanization rate and improving rubber properties by adding activated zinc oxide having specific properties. It relates to a rubber composition for.
종래에는 아연화(ZnO) 함량이 98.0wt% 이상이고 비중이 5.65±0.1 이며, 평균입자경이 0.3-0.6㎛, 입자표면이 양 또는 음전하를 띄며 비표면적이 4.0±1m2/g 이고 겉보기 비중이 0.2±0.07g/cc인 일반아연화를 타이어용 고무조성물에 필수적으로 첨가하여 사용되어 왔는데, 이는 아연화가 고무가황을 활성화시키는 활성제, 보강성을 부여하는 보강제, 고무자체에서 발생하는 열을 발산시키는데 이용하는 열전도체, 스코치를 방지하는 스코치 방지제의 역할 뿐만 아니라 배합고무의 혼련성, 가공성을 개선하여 물리적인 성질을 개선하는 효과가 있기 때문이다.Conventionally, zinc oxide (ZnO) content is 98.0 wt% or more, specific gravity is 5.65 ± 0.1, average particle diameter is 0.3-0.6㎛, particle surface shows positive or negative charge, specific surface area is 4.0 ± 1m 2 / g and apparent specific gravity is 0.2 General zincization of ± 0.07 g / cc has been used as an essential ingredient in rubber compositions for tires, which is a thermoelectric agent used to dissipate heat generated from rubber activator to activate rubber vulcanization, reinforcing agent to give reinforcement, and the rubber itself. This is because not only the role of the anti-scorch agent to prevent the conductor and the scorch, but also the physical properties can be improved by improving the kneading and workability of the compounded rubber.
그러나 타이어용 고무조성물에 기존의 일반아연화를 첨가한 경우, 아연화의 평균입자경이 커서 분산성이 나쁘고 아연화 함량과 비표면적도 작아 활성도도 낮게 되어 가류속도가 늦어지는 단점과 특히, 보강효과가 적어 물성향상 효과가 크지 못한 타이어용 고무조성물을 얻게 되는 문제점이 있다.However, when conventional general zinc is added to the rubber composition for tires, the average particle diameter of zinc is large, so that dispersibility is poor, zinc content and specific surface area are small, and the activity is low, and the vulcanization rate is slow. There is a problem of obtaining a rubber composition for a tire that does not have a large improvement effect.
일반적으로 양쪽성 금속산화물인 아연화의 활성도는 입자의 크기에 의해 활성화의 강,약에 차이가 발생하는데 입자경이 작을수록 비표면적이 증대되어 접촉계면이 커지므로 활성도가 강해지게 된다. 본 발명자는 이러한 사실에 착안하여 초미립자의 입자경을 가지는 활성아연화를 사용하게 되면 일반아연화 첨가량의 50-60% 만으로도 충분한 활성도를 가져 효율적인 가교반응을 할 수 있으며, 뿐만 아니라 고분자의 분자사이 공격간에 용이하게 분산 접촉하여 직쇄상의 염주상 구조를 형성, 우수한 보강효과와 동적특성을 가지는 타이어용 고무조성물을 얻을 수 있음을 알게 되었고, 또한 입자표면이 양전하를 띠어 음전하를 가지는 고분자와의 정전기적 인력을 발생시킴으로써 분산성도 향상시킬 수 있다는 사실을 알아내고 본 발명을 완성하게 되었다.In general, the activity of zincation, which is an amphoteric metal oxide, varies depending on the size of the particles. The smaller or smaller the particle size is, the higher the specific surface area is and the larger the contact interface becomes. In view of this fact, the inventors of the present invention use active zincification having ultra-fine particle diameters to have an effective activity with only 50-60% of the general zinc addition amount, thereby enabling efficient crosslinking reactions, as well as to facilitate cross-molecular attack between polymers. It was found that the rubber composition for tires with excellent reinforcing effect and dynamic characteristics can be obtained by forming a linear, columnar structure by dispersing contact. Also, the surface of the particles is positively charged and generates an electrostatic attraction with a negatively charged polymer. By finding out that dispersibility can also be improved, the present invention has been completed.
따라서 본 발명의 목적은 일반아연화를 사용한 기존의 타이어용 고무조성물의 문제점을 해결하기 위한 방안으로 활성아연화를 이용하여 제반 물성을 향상시킨 타이어용 고무조성물을 제공하고자 하는 데에 있다.Accordingly, an object of the present invention is to provide a rubber composition for tires that improves overall physical properties by using activated zinc in order to solve problems of conventional rubber compositions for tires using general zinc.
본 발명에 사용되는 배합고무로는 합성고무 또는 천연고무와 합성고무의 혼합물로 된 고무 중 어느 것이나 사용이 가능하며 특정한 종류나 비율로 한정되지는 아니한다. 예를 들면 합성고무로서는 SBR, BR, EPDM, 할로겐화 고무 등을 단독으로 또는 2이상을 혼합한 고무 모두가 본 발명의 실시에 있어 적합하다.As the compounding rubber used in the present invention, any of rubbers made of synthetic rubber or a mixture of natural rubber and synthetic rubber can be used, and is not limited to a specific kind or proportion. For example, as the synthetic rubber, all of SBR, BR, EPDM, halogenated rubber, etc. alone or in a mixture of two or more are suitable in the practice of the present invention.
본 발명에 사용되는 활성아연화는 아연화(ZnO) 함량이 99.20wt% 이상이고 비중이 5.60±0.1 이며, 평균입자경이 0.03∼0.06㎛, 입자표면이 양전하를 띄며 비표면적이 12.0±1m2/g 이고 겉보기 비중이 0.65±0.1g/cc인 것을 사용한다. 이와 같이 본 발명에서 사용하는 활성아연화는 초미립자로서 비표면적이 크므로 충분한 활성도를 가져 효율적인 가교반응을 할 수 있으며, 뿐만 아니라 고분자의 분자사이 공격간에 용이하게 분산 접촉하여 직쇄상의 염주상 구조를 형성, 우수한 보강효과와 동적특성을 부여하게 된다. 또한 입자표면이 양전하를 띠어 음전하를 가지는 고분자와의 정전기적 인력을 발생시킴으로써 분산성을 향상시키게 된다.The active zincation used in the present invention is zinc oxide (ZnO) content of more than 99.20wt%, specific gravity of 5.60 ± 0.1, average particle diameter of 0.03 ~ 0.06㎛, the surface of the particle is positively charged and the specific surface area of 12.0 ± 1m 2 / g Use an apparent specific gravity of 0.65 ± 0.1 g / cc. As described above, the active zincation used in the present invention has a large specific surface area as the ultrafine particles, and thus has sufficient activity to perform an efficient crosslinking reaction. This gives a good reinforcement effect and dynamic characteristics. In addition, the particle surface is positively charged to generate an electrostatic attraction with the negatively charged polymer to improve the dispersibility.
상기의 효과를 얻기 위하여 필요로 하는 활성아연화의 사용량은 1∼70 중량부가 바람직하며, 만일 사용량이 1 중량부 미만일 경우 가류속도나 물성향상의 효과가 나타나지 않으며, 70 중량부를 초과할 경우에는 분산이 불량하여 물성향상의 효과가 나빠질 우려가 있으므로 바람직하지 않다.The amount of active zincization required to obtain the above effect is preferably 1 to 70 parts by weight, and if the amount is less than 1 part by weight, the effect of vulcanization rate or physical properties does not appear. It is not preferable because it may be poor and the effect of improving physical properties may deteriorate.
이 이외에 첨가되는 기타의 조성성분들 예를 들면, 충진제, 가류제, 가황촉진제, 공정오일, 왁스, 노화방지제 등은 공지의 타이어 고무조성물에 첨가되는 것들로서 특정한 것에 한정되지는 아니하고 어느 것이나 본 발명의 실시에 사용 가능하다.In addition to the other components added, for example, fillers, vulcanizing agents, vulcanization accelerators, process oils, waxes, anti-aging agents, etc. are those added to known tire rubber compositions, but are not limited to any particular one of the present invention Can be used in the implementation of.
이하 본 발명의 내용을 실시예를 통하여 구체적으로 설명하고자 하나 본 발명의 권리범위가 이들 실시예에 한정되는 것은 아니다.Hereinafter, the scope of the present invention will be described in detail with reference to examples, but the scope of the present invention is not limited to these examples.
< 실시예 1∼3 > 시험고무의 준비<Examples 1-3> Preparation of Test Rubber
아래의 표 1에 제시된 조성비와 같이 원료고무로 천연고무 50 중량부와 합성고무로는 용액중합 스티렌-부타디엔 고무 50 중량부로 이루어진 혼합고무 100 중량부에 대하여 가류활성제로 스테아린산을 1.5 중량부, 보강충진제로 카본블랙(N-234) 45 중량부, 활성 아연화를 각각 3, 5, 10 중량부, 공정오일 8 중량부, 노화방지제 4 중량부, 유황 2 중량부, 가황촉진제 2 중량부 및 왁스 2 중량부를 첨가하여 밴버리 믹서에서 배합하고 160℃의 온도에서 방출하였다.50 parts by weight of natural rubber as raw material rubber and 50 parts by weight of mixed rubber consisting of 50 parts by weight of solution-polymerized styrene-butadiene rubber as the composition ratio shown in Table 1 below, 1.5 parts by weight of stearic acid as a vulcanizing agent, reinforcing filler 45 parts by weight of low carbon black (N-234), 3, 5, 10 parts by weight of activated zinc, 8 parts by weight of process oil, 4 parts by weight of antioxidant, 2 parts by weight of sulfur, 2 parts by weight of vulcanization accelerator and 2 parts by weight of wax Part was added and compounded in a Banbury mixer and released at a temperature of 160 ° C.
대조구로서는 본 발명의 활성 아연화 대신에 종래의 일반 아연화를 5 중량부를 사용하는 것을 제외하고는 본 발명의 실시예 1에서와 동일한 조건하에서 시험고무를 제조하여 표 1에 나타내었다.As a control, test rubbers were prepared under the same conditions as in Example 1 of the present invention except that 5 parts by weight of conventional general zincation was used instead of the active zincation of the present invention.
< 표 1 > 고무배합표 (단위 중량부)<Table 1> Rubber compounding table (unit weight part)
* 일반아연화: 아연화(ZnO) 함량이 98.0wt% 이상, 비중이 5.65±0.1, 평균입자경이 0.3-0.6㎛, 비표면적이 4.0±1m2/g, 겉보기 비중이 0.2±0.07g/cc인 아연화* General zincation: Zincation (ZnO) content of more than 98.0wt%, specific gravity 5.65 ± 0.1, average particle diameter 0.3-0.6㎛, specific surface area of 4.0 ± 1m 2 / g, apparent specific gravity of 0.2 ± 0.07g / cc
* 활성아연화: 아연화(ZnO) 함량이 99.20wt% 이상, 비중이 5.60±0.1, 평균입자경이 0.03-0.06㎛, 비표면적이 12.0±1m2/g, 겉보기 비중이 0.65±0.1g/cc인 아연화* Zinc zinc (ZnO): ZnO content over 99.20wt%, specific gravity 5.60 ± 0.1, average particle size 0.03-0.06㎛, specific surface area 12.0 ± 1m 2 / g, apparent specific gravity 0.65 ± 0.1g / cc
* 가황촉진제: N-cyclohexyl-2-benzothiazol sulfenamide* Vulcanization accelerator: N-cyclohexyl-2-benzothiazol sulfenamide
< 시험예 > 가황특성 및 물성측정<Test Example> Vulcanization and Physical Property Measurement
배합고무의 가황조건 및 시험은 ASTM 규격에 준하여 시험하였고, 그 결과를 표 2에 나타내었다.Vulcanization conditions and tests of the compounded rubber were tested according to the ASTM standard, the results are shown in Table 2.
< 표 2 > 가황특성 및 물성시험 결과<Table 2> Vulcanization Characteristics and Property Test Results
* 경화조건(Cure Condition): 160℃, 18분 가류* Curing Condition: 160 ℃, 18 minutes vulcanization
본 발명에 따라 종래의 일반아연화를 활성아연화로 대체하여 적용한 결과, 일반 아연화대비 60%를 첨가할 경우 가류특성에서 동등한 성능을 나타내고 있으며 인장물성에서는 동등이상의 수준을 지니고 있을 뿐만 아니라, 첨가량이 증가함에 따라 가황시간이 단축되고 인장물성, 발열특성, 마모특성, 레오비브론 특성이 대조구와 비교시 현저히 우수한 가황물성을 지니고 있음을 확인할 수 있다.As a result of applying the conventional zinc in accordance with the present invention by replacing the active zinc with the result, when the addition of 60% compared to the general galvanization shows an equivalent performance in the vulcanization characteristics and not only has the same level or higher in the tensile properties, the addition amount is increased Therefore, the vulcanization time is shortened, and it can be seen that the tensile properties, the exothermic properties, the abrasion properties, and the Leobibronn properties have remarkably excellent vulcanization properties compared to the control.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019990033370A KR100332684B1 (en) | 1999-08-13 | 1999-08-13 | Rubber Composition with Activated Zinc Oxide |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019990033370A KR100332684B1 (en) | 1999-08-13 | 1999-08-13 | Rubber Composition with Activated Zinc Oxide |
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| Publication Number | Publication Date |
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| KR20010017709A KR20010017709A (en) | 2001-03-05 |
| KR100332684B1 true KR100332684B1 (en) | 2002-04-17 |
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| KR1019990033370A KR100332684B1 (en) | 1999-08-13 | 1999-08-13 | Rubber Composition with Activated Zinc Oxide |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100411014B1 (en) * | 2001-01-20 | 2003-12-18 | 금호타이어 주식회사 | Tread rubber composition |
| KR101222720B1 (en) | 2011-07-06 | 2013-01-15 | 금호타이어 주식회사 | Tire rubber composition with improved properties |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100452412B1 (en) * | 2002-05-22 | 2004-10-12 | 한국타이어 주식회사 | Coating composition for steel-cord |
| KR100453282B1 (en) * | 2002-05-22 | 2004-10-15 | 한국타이어 주식회사 | Coating composition for steel-cord |
| KR102496614B1 (en) * | 2021-02-02 | 2023-02-06 | 한국타이어앤테크놀로지 주식회사 | Rubber composition for tire and tire comprising the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04168135A (en) * | 1990-10-31 | 1992-06-16 | Toyoda Gosei Co Ltd | Ethylene-propylene rubber composition |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04168135A (en) * | 1990-10-31 | 1992-06-16 | Toyoda Gosei Co Ltd | Ethylene-propylene rubber composition |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100411014B1 (en) * | 2001-01-20 | 2003-12-18 | 금호타이어 주식회사 | Tread rubber composition |
| KR101222720B1 (en) | 2011-07-06 | 2013-01-15 | 금호타이어 주식회사 | Tire rubber composition with improved properties |
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| KR20010017709A (en) | 2001-03-05 |
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