JP5003011B2 - ゴム組成物 - Google Patents
ゴム組成物 Download PDFInfo
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- JP5003011B2 JP5003011B2 JP2006116811A JP2006116811A JP5003011B2 JP 5003011 B2 JP5003011 B2 JP 5003011B2 JP 2006116811 A JP2006116811 A JP 2006116811A JP 2006116811 A JP2006116811 A JP 2006116811A JP 5003011 B2 JP5003011 B2 JP 5003011B2
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- weight
- rubber
- rubber composition
- silica
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- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229920001971 elastomer Polymers 0.000 title claims description 44
- 239000005060 rubber Substances 0.000 title claims description 44
- 239000000203 mixture Substances 0.000 title claims description 34
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 55
- 239000000377 silicon dioxide Substances 0.000 claims description 26
- 229920003244 diene elastomer Polymers 0.000 claims description 19
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 18
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 12
- 229910052717 sulfur Inorganic materials 0.000 claims description 11
- 239000011593 sulfur Substances 0.000 claims description 11
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 9
- 229920000642 polymer Polymers 0.000 claims description 9
- -1 silane compound Chemical class 0.000 claims description 8
- 229920002554 vinyl polymer Polymers 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 7
- 230000009477 glass transition Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000012763 reinforcing filler Substances 0.000 claims description 6
- 229910000077 silane Inorganic materials 0.000 claims description 6
- 150000001993 dienes Chemical class 0.000 claims description 5
- 229920003048 styrene butadiene rubber Polymers 0.000 description 9
- 239000002174 Styrene-butadiene Substances 0.000 description 7
- 238000004073 vulcanization Methods 0.000 description 7
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 6
- 239000006229 carbon black Substances 0.000 description 5
- 238000006116 polymerization reaction Methods 0.000 description 5
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 230000003712 anti-aging effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004594 Masterbatch (MB) Substances 0.000 description 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 239000004636 vulcanized rubber Substances 0.000 description 2
- 238000005160 1H NMR spectroscopy Methods 0.000 description 1
- OVSKIKFHRZPJSS-UHFFFAOYSA-N 2,4-D Chemical compound OC(=O)COC1=CC=C(Cl)C=C1Cl OVSKIKFHRZPJSS-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 150000002431 hydrogen Chemical group 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- WGOPGODQLGJZGL-UHFFFAOYSA-N lithium;butane Chemical compound [Li+].CC[CH-]C WGOPGODQLGJZGL-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- FRGPKMWIYVTFIQ-UHFFFAOYSA-N triethoxy(3-isocyanatopropyl)silane Chemical compound CCO[Si](OCC)(OCC)CCCN=C=O FRGPKMWIYVTFIQ-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Tires In General (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
本発明のゴム組成物には、前記式(I)で表わされるシラン化合物を、好ましくは前記末端水酸基変性ジエン系ゴムに対し0.1〜10重量%、更に好ましくは1〜10重量%配合する。シラン化合物の配合量が少ないと、所望の効果が小さく、シリカの分散を向上させにくくなり、逆に多いと、シラン同士の縮合反応が優先的に開始するおそれがあり、スコーチし易くなるおそれがある。
サンプルの調製
表Iに示す配合において、先ず第一ノンプロ作製工程に従って、配合成分を混練し、次に第二ノンプロ作製工程の配合に従って加硫促進剤と硫黄を除く成分を1.8リットルの密閉型ミキサーで6分間混練し、155℃に達したときに放出してマスターバッチを得た。このマスターバッチに、プロダクト作製工程の配合に従って、加硫促進剤と硫黄をオープンロールで混練し、ゴム組成物を得た。
貯蔵弾性率E’(60℃)
東洋精機製作所製粘弾性スペクトロメータを用い、静的歪み10%、動的歪み±2%、周波数20Hzで測定し、E’(60℃)を測定した。結果は比較例1の値を100として指数表示した。この値が高い程ゴムの補強性に優れていることを示す。
αテクノロジー社製RPA2000を用い、歪せん断応力G’を測定した。未加硫ゴムを用いて160℃×20分の加硫を行い、歪0.28%〜30.0%までのG’を測定し、その差異ΔG’(G’0.28(MPa)−G’30.0(MPa))を比較例1の値を100として指数表示した。この値が小さい程、ゴム中のシリカ分散が良好であることを示す。
SBR1:新規末端変性溶液重合SBR(末端OH変性)(下記合成法参照)
SBR2:日本ゼオン(株)製SBR(NS116)
KBE−9007:信越化学(株)製トリエトキシシリルプロピルイソシアネート(式(I)において、n=0,R1=C3H6,R3=C2H5)
SiO2:ローディア社製シリカ(Zeosil 1165MP)
カーボンブラック:東海カーボン(株)製カーボンブラック(シーストH)
SI69:Degussa社製シランカップリング剤SI69(硫黄連鎖長平均4)
ステアリン酸:日本油脂(株)製ビーズステアリン酸
老化防止剤6PPD:フレキシス社製老化防止剤6PPD
亜鉛華:正同化学工業(株)製酸化亜鉛3種
アロマオイル:ジャパンエナジー(株)製プロセスX−140
促進剤DPG:大内新興化学工業(株)製加硫促進剤(ノクセラーD)
硫黄:鶴見化学工業(株)製油処理硫黄
攪拌機付きオートクレープに、シクロヘキサン8000g、スチレン460g及びブタジエン700gを入れ、更にこれにTMEDA3.5ミリモル及びn−ブチルリチウム11ミリモルを加えて50℃で重合した。重合開始10分後に、残部のブタジエン840gをオートクレーブに連続的に添加した。重合転化率100%になったことを確認してから、生成重合体の活性末端(Li)に対して等モルのメタノールを添加して重合を停止した。得られた溶液に、sec−ブチルリチウム60ミリモル及びTMEDA60ミリモルを添加して70℃で1時間反応させた後、エチレンオキシド(EO)60ミリモルを添加し、更に20分間攪拌した。攪拌完了後、メタノール120ミリモルを添加して反応を停止し、その後スチームストッピング法により重合体(SBR1)を回収した(芳香族ビニル含量:22.7重量%、1,2結合含量:10.1重量%、ガラス転移温度:−30℃)。
Claims (4)
- 請求項1に記載のゴム組成物を製造するに際し、前記末端水酸基変性ジエン系ゴム100重量部に対して、前記式(I)で表されるシラン化合物0.1〜10重量部を予め混合した後に、シリカ及びイオウ含有シランカップリング剤を投入混合することを特徴とする請求項1に記載のゴム組成物を製造する方法。
- 請求項1に記載のゴム組成物をタイヤ部材として使用した空気入りタイヤ。
- 請求項2に記載の製造方法によって製造されたゴム組成物をタイヤ部材として使用した空気入りタイヤ。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006116811A JP5003011B2 (ja) | 2006-04-20 | 2006-04-20 | ゴム組成物 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006116811A JP5003011B2 (ja) | 2006-04-20 | 2006-04-20 | ゴム組成物 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007284645A JP2007284645A (ja) | 2007-11-01 |
| JP5003011B2 true JP5003011B2 (ja) | 2012-08-15 |
Family
ID=38756727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006116811A Active JP5003011B2 (ja) | 2006-04-20 | 2006-04-20 | ゴム組成物 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5003011B2 (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4289508B1 (ja) * | 2008-02-13 | 2009-07-01 | 横浜ゴム株式会社 | 空気入りタイヤ |
| US9145485B2 (en) * | 2010-09-08 | 2015-09-29 | Jsr Corporation | Rubber composition and process for production thereof, and tire |
| JP5878037B2 (ja) * | 2012-02-24 | 2016-03-08 | 東洋ゴム工業株式会社 | ゴム用配合剤の製造方法及びゴム組成物 |
| JP6161510B2 (ja) * | 2013-10-25 | 2017-07-12 | 東洋ゴム工業株式会社 | ゴム組成物及び空気入りタイヤ |
| DE102017221863A1 (de) * | 2017-12-05 | 2019-06-06 | Continental Reifen Deutschland Gmbh | Schwefelvernetzbare Kautschukmischung, Vulkanisat der Kautschukmischung und Fahrzeugreifen |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2763593B1 (fr) * | 1997-05-26 | 1999-07-09 | Michelin & Cie | Composition de caoutchouc a base de silice destinee a la fabrication d'enveloppes de pneumatiques routiers ayant une resistance au roulement amelioree |
| DE10038488A1 (de) * | 2000-08-08 | 2002-02-21 | Bayer Ag | Isocyanatosilan- und mikrogelhaltige Kautschukmischungen |
| JP4628567B2 (ja) * | 2001-03-12 | 2011-02-09 | 住友ゴム工業株式会社 | ゴム組成物 |
| JP3484169B2 (ja) * | 2001-06-22 | 2004-01-06 | オート化学工業株式会社 | 硬化性組成物及びシーリング材組成物 |
| JP3992523B2 (ja) * | 2002-03-29 | 2007-10-17 | 横浜ゴム株式会社 | ゴム組成物 |
| JP4067391B2 (ja) * | 2002-11-28 | 2008-03-26 | 横浜ゴム株式会社 | タイヤ用ゴム組成物 |
| JP4596126B2 (ja) * | 2003-05-22 | 2010-12-08 | Jsr株式会社 | 変性共役ジエン系重合体の製造方法およびゴム組成物 |
| JP2005350603A (ja) * | 2004-06-11 | 2005-12-22 | Yokohama Rubber Co Ltd:The | 末端にウレタン結合を介した有機ケイ素官能基を有する化合物を含むゴム組成物 |
| JP2006063209A (ja) * | 2004-08-27 | 2006-03-09 | Yokohama Rubber Co Ltd:The | タイヤ用ゴム組成物 |
| JP2006063206A (ja) * | 2004-08-27 | 2006-03-09 | Yokohama Rubber Co Ltd:The | ゴム組成物 |
| US7893153B2 (en) * | 2005-10-05 | 2011-02-22 | Jsr Corporation | Process for producing modified conjugated diene polymer, modified conjugated diene polymer obtained by the process, and rubber composition containing the same |
| US20090020209A1 (en) * | 2006-03-08 | 2009-01-22 | Takao Wada | Rubber Composition for Carcass Ply and/or Belt, Carcass Ply and/or Belt Using Same and Preparation Process of Rubber Composition |
-
2006
- 2006-04-20 JP JP2006116811A patent/JP5003011B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007284645A (ja) | 2007-11-01 |
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