JPWO2016084925A1 - タイヤ用ゴム組成物、及び空気入りタイヤ - Google Patents
タイヤ用ゴム組成物、及び空気入りタイヤ Download PDFInfo
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- JPWO2016084925A1 JPWO2016084925A1 JP2016532643A JP2016532643A JPWO2016084925A1 JP WO2016084925 A1 JPWO2016084925 A1 JP WO2016084925A1 JP 2016532643 A JP2016532643 A JP 2016532643A JP 2016532643 A JP2016532643 A JP 2016532643A JP WO2016084925 A1 JPWO2016084925 A1 JP WO2016084925A1
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- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- IUJAMGNYPWYUPM-UHFFFAOYSA-N hentriacontane Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC IUJAMGNYPWYUPM-UHFFFAOYSA-N 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 150000002430 hydrocarbons Chemical group 0.000 description 1
- MTNDZQHUAFNZQY-UHFFFAOYSA-N imidazoline Chemical compound C1CN=CN1 MTNDZQHUAFNZQY-UHFFFAOYSA-N 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 235000019388 lanolin Nutrition 0.000 description 1
- 229940039717 lanolin Drugs 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000004200 microcrystalline wax Substances 0.000 description 1
- 235000019808 microcrystalline wax Nutrition 0.000 description 1
- 239000012184 mineral wax Substances 0.000 description 1
- 150000002772 monosaccharides Chemical class 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 150000002828 nitro derivatives Chemical class 0.000 description 1
- 239000010466 nut oil Substances 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
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002811 oleoyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])/C([H])=C([H])\C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001117 oleyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])/C([H])=C([H])\C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000004006 olive oil Substances 0.000 description 1
- 235000008390 olive oil Nutrition 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 150000002924 oxiranes Chemical class 0.000 description 1
- 239000003346 palm kernel oil Substances 0.000 description 1
- 235000019865 palm kernel oil Nutrition 0.000 description 1
- 235000020232 peanut Nutrition 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical class OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 239000010665 pine oil Substances 0.000 description 1
- 239000012165 plant wax Substances 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 150000008442 polyphenolic compounds Chemical class 0.000 description 1
- 235000013824 polyphenols Nutrition 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 125000001325 propanoyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000012264 purified product Substances 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000008165 rice bran oil Substances 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 125000003696 stearoyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 229940052367 sulfur,colloidal Drugs 0.000 description 1
- 239000002600 sunflower oil Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 239000003784 tall oil Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 150000003585 thioureas Chemical class 0.000 description 1
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 1
- 229960002447 thiram Drugs 0.000 description 1
- 125000005425 toluyl group Chemical group 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- JXUKBNICSRJFAP-UHFFFAOYSA-N triethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCOCC1CO1 JXUKBNICSRJFAP-UHFFFAOYSA-N 0.000 description 1
- 239000002383 tung oil Substances 0.000 description 1
- 235000019871 vegetable fat Nutrition 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000012991 xanthate Substances 0.000 description 1
- 239000011787 zinc oxide Substances 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
- 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
-
- 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
- B60C1/0025—Compositions of the sidewalls
-
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- 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
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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
- 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
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- 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
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/02—Polyalkylene oxides
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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
- B60C2001/005—Compositions of the bead portions, e.g. clinch or chafer rubber or cushion rubber
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- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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Abstract
Description
HLBの値は前記「界面活性剤入門」213頁に記載の表における有機性の値と無機性の値との比率から計算することができる。
HLB≒10×無機性/有機性
例えば、下記式で表されるポリオキシプロピレンブチルエーテルのグリコールエーテル部分の含有量は、化合物中の囲み箇所の含有量(含有率)、すなわち、−OHと−(PO)40−の合計含有量(合計含有率)である。
具体的には、カーボンブラックの含有量は、ゴム成分100質量部に対して、2質量部以上、好ましくは15質量部以上、より好ましくは25質量部以上である。2質量部未満では、充分な補強性が得られないおそれがある。該含有量は、70質量部以下、好ましくは65質量部以下、より好ましくは60質量部以下である。70質量部を超えると、低燃費性が悪化する傾向があるとともに、カーボンブラックに吸着される前記ポリエーテル(A)の量が増えるため、ゴム表面に前記ポリエーテル(A)が移行する量が減り、タイヤの外観を改善する効果が得られないおそれがある。
シランカップリング剤としては、ゴム工業において、従来からシリカと併用される任意のシランカップリング剤を使用することができ、例えば、ビス(3−トリエトキシシリルプロピル)ジスルフィド等のスルフィド系、3−メルカプトプロピルトリメトキシシランなどのメルカプト系、ビニルトリエトキシシランなどのビニル系、3−アミノプロピルトリエトキシシランなどのアミノ系、γ−グリシドキシプロピルトリエトキシシランのグリシドキシ系、3−ニトロプロピルトリメトキシシランなどのニトロ系、3−クロロプロピルトリメトキシシランなどのクロロ系等が挙げられる。これらは、単独で用いてもよく、2種以上を併用してもよい。なかでも、スルフィド系が好ましく、ビス(3−トリエトキシシリルプロピル)ジスルフィドがより好ましい。
温度計、加熱冷却装置、撹拌機及び滴下ボンベを備えた耐圧反応容器に、1,2−ブタンジオール(和光純薬工業社製)90部及び水酸化カリウム(東京化成工業社製)6部を投入し、窒素置換後密閉し140℃に昇温した。撹拌下140℃で減圧することで水2部を留去した後、圧力が0.5MPa以下になるように調整しながら1,2−ブチレンオキサイド(東京化成工業社製)2910部を10時間かけて滴下し同温度で5時間熟成した。60℃まで冷却後、酢酸6部を投入した。60℃で30分間撹拌してポリブチレングリコール3010部を得た。JIS−K0070に準拠した中和滴定法によって測定した水酸基価は37.4であり、数平均分子量として3,000であった。
温度計、加熱冷却装置、撹拌機及び滴下ボンベを備えた耐圧反応容器に、ステアリルアルコール270部及び水酸化カリウム6部を投入し、窒素置換後密閉し140℃に昇温した。撹拌下140℃で減圧することで水2部を留去した後、圧力が0.5MPa以下になるように調整しながらエチレンオキサイド3520部を8時間かけて滴下し同温度で2時間熟成した。60℃まで冷却後、酢酸6部を投入した。60℃で30分間撹拌してポリオキシエチレンステアリルアルコール3800部を得た。JIS−K0070に準拠した中和滴定法によって測定した水酸基価は14.8であり、数平均分子量として3,790であった。
JIS K 6259「加硫ゴムおよび熱可塑性ゴム−耐オゾン性の求め方」に準じて、得られた加硫ゴム組成物から所定のサイズの試験片を作製し、動的オゾン劣化試験を行った。往復運動の周波数0.5±0.025Hz、オゾン濃度50±5pphm、試験温度40℃、引張歪み20±2%の条件下で、48時間試験した後の亀裂(クラックの発生の有無)の状態を観察することで、耐オゾン性を評価した。なお、指数が大きいほど亀裂の数が少なく、亀裂の大きさが小さく、耐オゾン性に優れることを示す。
耐オゾン性試験を終えたサンプルを(株)ミノルタ製色彩色差度計(CR−310)を用い、a値、b値を求めた(L*a*b*表色系)。指標を(a2+b2)−0.5とし、基準比較例の指標を100とした指数(各配合の指標/基準比較例の指標×100)を計算した。指数が大きいほど、変色が少なく、耐変色性に優れることを示す。
耐オゾン性試験を終えたサンプルを屋外に持ち出し、下記指標にて外観評価を行った。
◎基準比較例より黒く、光沢がある
○基準比較例より黒く、やや光沢がある
△基準比較例と同等の茶色
×基準比較例より茶色い
Claims (6)
- ブタジエンゴム、天然ゴム、及びイソプレンゴムの合計含有量がゴム成分100質量%中80質量%以上であり、
ゴム成分100質量部に対して、グリコールエーテル成分が80質量%以上で構成され、HLBが3.5〜19.0であるポリエーテル(ただし、プルロニック型非イオン界面活性剤を除く)(A)を0.1〜8.0質量部、カーボンブラックを2〜70質量部、老化防止剤を0.3〜7.0質量部含むタイヤ用ゴム組成物。 - 前記ポリエーテルの数平均分子量が1,500〜50,000である請求項1記載のタイヤ用ゴム組成物。
- 前記ポリエーテルのHLBが4.0〜17.5である請求項1又は2記載のタイヤ用ゴム組成物。
- 前記ポリエーテルの数平均分子量が2,000〜40,000である請求項1〜3のいずれかに記載のタイヤ用ゴム組成物。
- 請求項1〜4のいずれかに記載のゴム組成物を用いて作製したタイヤ部材を有する空気入りタイヤ。
- 前記タイヤ部材が、サイドウォール、クリンチ、及び/又はウイングである請求項5記載の空気入りタイヤ。
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FR3059668A1 (fr) | 2016-12-02 | 2018-06-08 | Compagnie Generale Des Etablissements Michelin | Pneumatique pourvu d'un flanc externe comportant un ou plusieurs elastomeres thermoplastiques et un ou plusieurs elastomeres dieniques synthetiques |
FR3059596A1 (fr) | 2016-12-02 | 2018-06-08 | Compagnie Generale Des Etablissements Michelin | Pneumatique pourvu d'un flanc externe comportant un elastomere thermoplastique comprenant au moins un bloc elastomere sature |
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JP6956945B2 (ja) * | 2017-08-09 | 2021-11-02 | 住友ゴム工業株式会社 | 空気入りタイヤ |
KR102427184B1 (ko) * | 2017-08-29 | 2022-08-01 | 한국다우케미칼 주식회사 | 고강화 사이드월용 조성물 |
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JP7013825B2 (ja) * | 2017-12-04 | 2022-02-01 | 住友ゴム工業株式会社 | タイヤ外層用ゴム組成物及び空気入りタイヤ |
JP7066425B2 (ja) * | 2018-01-31 | 2022-05-13 | Toyo Tire株式会社 | タイヤ用ゴム組成物及び空気入りタイヤ |
FR3081876B1 (fr) * | 2018-05-31 | 2020-05-22 | Compagnie Generale Des Etablissements Michelin | Pneumatique pourvu d'un flanc externe comportant un ou plusieurs elastomeres thermoplastiques et un ou plusieurs elastomeres dieniques synthetiques |
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CN107108970A (zh) | 2017-08-29 |
EP3216827A4 (en) | 2018-05-30 |
CN107108970B (zh) | 2020-05-26 |
US10550247B2 (en) | 2020-02-04 |
EP3216827A1 (en) | 2017-09-13 |
JP6244023B2 (ja) | 2017-12-06 |
US20180258260A1 (en) | 2018-09-13 |
WO2016084925A1 (ja) | 2016-06-02 |
EP3216827B1 (en) | 2022-11-09 |
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