JP2009242582A - 防振ゴム用ゴム組成物及び防振ゴム - Google Patents
防振ゴム用ゴム組成物及び防振ゴム Download PDFInfo
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- 244000043261 Hevea brasiliensis Species 0.000 claims abstract description 20
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- XQUPVDVFXZDTLT-UHFFFAOYSA-N 1-[4-[[4-(2,5-dioxopyrrol-1-yl)phenyl]methyl]phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C(C=C1)=CC=C1CC1=CC=C(N2C(C=CC2=O)=O)C=C1 XQUPVDVFXZDTLT-UHFFFAOYSA-N 0.000 description 2
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- AUZONCFQVSMFAP-UHFFFAOYSA-N disulfiram Chemical compound CCN(CC)C(=S)SSC(=S)N(CC)CC AUZONCFQVSMFAP-UHFFFAOYSA-N 0.000 description 2
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- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 2
- IKFPAKYBSYICFK-UHFFFAOYSA-N 1-[4-(4-propylphenoxy)phenyl]pyrrole-2,5-dione Chemical compound C1=CC(CCC)=CC=C1OC1=CC=C(N2C(C=CC2=O)=O)C=C1 IKFPAKYBSYICFK-UHFFFAOYSA-N 0.000 description 1
- YNSSPVZNXLACMW-UHFFFAOYSA-N 1-[4-[[4-(2,5-dioxopyrrol-1-yl)-3-ethyl-5-methylphenyl]methyl]-2-ethyl-6-methylphenyl]pyrrole-2,5-dione Chemical compound C=1C(C)=C(N2C(C=CC2=O)=O)C(CC)=CC=1CC(C=C1CC)=CC(C)=C1N1C(=O)C=CC1=O YNSSPVZNXLACMW-UHFFFAOYSA-N 0.000 description 1
- 150000003923 2,5-pyrrolediones Chemical class 0.000 description 1
- CPGFMWPQXUXQRX-UHFFFAOYSA-N 3-amino-3-(4-fluorophenyl)propanoic acid Chemical compound OC(=O)CC(N)C1=CC=C(F)C=C1 CPGFMWPQXUXQRX-UHFFFAOYSA-N 0.000 description 1
- BUZICZZQJDLXJN-UHFFFAOYSA-N 3-azaniumyl-4-hydroxybutanoate Chemical compound OCC(N)CC(O)=O BUZICZZQJDLXJN-UHFFFAOYSA-N 0.000 description 1
- ZZMVLMVFYMGSMY-UHFFFAOYSA-N 4-n-(4-methylpentan-2-yl)-1-n-phenylbenzene-1,4-diamine Chemical compound C1=CC(NC(C)CC(C)C)=CC=C1NC1=CC=CC=C1 ZZMVLMVFYMGSMY-UHFFFAOYSA-N 0.000 description 1
- 229930185605 Bisphenol Natural products 0.000 description 1
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- 239000004594 Masterbatch (MB) Substances 0.000 description 1
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- 229910000831 Steel Inorganic materials 0.000 description 1
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- 125000002947 alkylene group Chemical group 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- VTEKOFXDMRILGB-UHFFFAOYSA-N bis(2-ethylhexyl)carbamothioylsulfanyl n,n-bis(2-ethylhexyl)carbamodithioate Chemical compound CCCCC(CC)CN(CC(CC)CCCC)C(=S)SSC(=S)N(CC(CC)CCCC)CC(CC)CCCC VTEKOFXDMRILGB-UHFFFAOYSA-N 0.000 description 1
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 1
- 229920005557 bromobutyl Polymers 0.000 description 1
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- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 description 1
- 235000019241 carbon black Nutrition 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- PGAXJQVAHDTGBB-UHFFFAOYSA-N dibutylcarbamothioylsulfanyl n,n-dibutylcarbamodithioate Chemical compound CCCCN(CCCC)C(=S)SSC(=S)N(CCCC)CCCC PGAXJQVAHDTGBB-UHFFFAOYSA-N 0.000 description 1
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- OFHMODDLBXETIK-UHFFFAOYSA-N methyl 2,3-dichloropropanoate Chemical compound COC(=O)C(Cl)CCl OFHMODDLBXETIK-UHFFFAOYSA-N 0.000 description 1
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- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
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- VLDHWMAJBNWALQ-UHFFFAOYSA-N sodium;3h-1,3-benzothiazole-2-thione Chemical compound [Na+].C1=CC=C2SC(S)=NC2=C1 VLDHWMAJBNWALQ-UHFFFAOYSA-N 0.000 description 1
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- QAZLUNIWYYOJPC-UHFFFAOYSA-M sulfenamide Chemical compound [Cl-].COC1=C(C)C=[N+]2C3=NC4=CC=C(OC)C=C4N3SCC2=C1C QAZLUNIWYYOJPC-UHFFFAOYSA-M 0.000 description 1
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- Vibration Prevention Devices (AREA)
- Springs (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
【解決手段】天然ゴム、又は天然ゴムとジエン系合成ゴムとのブレンドを主成分とするゴム成分を含有する防振ゴム用ゴム組成物において、ゴム成分100重量部に対して、0.1〜1重量部の硫黄と、スルフェンイミド化合物と、マレイミド化合物とを含有する。好ましくは、さらに、加硫促進剤としてチアゾール化合物を含有する。
【選択図】なし
Description
(式中、R1は炭素数1〜18の直鎖アルキル基、分岐鎖アルキル基、脂環族炭化水素基、又は芳香族炭化水素基を表す)。
(式中、R1は炭素数1〜18の直鎖アルキル基、分岐鎖アルキル基、脂環族炭化水素基、又は芳香族炭化水素基を表す)。
上記式(2)において、置換基R2は、芳香族炭化水素基、アルキレン基、及び/又は酸素原子を含む置換基を表す。本発明において使用できるマレイミド化合物の具体例としては、例えば、N,N’−m−フェニレンジマレイミド、N,N’−(4,4’−ジフェニルメタン)ビスマレイミド、ビス(3−エチル−5−メチル−4−マレイミドフェニル)メタン、2,2’−ビス(4−(4−マレイミドフェノキシ)フェニル)プロパン等が挙げられる。
天然ゴム100重量部に対して、表1の配合処方に従い、実施例1〜3及び比較例1〜2のゴム組成物を配合し、通常のバンバリーミキサーを用いて混練し、ゴム組成物を調整した。表1に記載の各配合剤を以下に示す。
b)硫黄 5%オイル処理硫黄
c)加硫促進剤
(A)スルフェンイミド化合物 N−tert−ブチル−2−ベンゾチアゾールスルフェンイミド(「SANTOCURE TBSI」、FLEXSYS社製)
(B)チアゾール化合物 ジ−2−ベンゾチアゾリルジスルフィド(「ノクセラーDM−P(DM)」、大内新興化学工業社製)
(C)チウラム化合物 テトラメチルチウラムジスルフィド(「ノクセラーTT−P(TT)」、大内新興化学工業社製)
(D)スルフェンアミド化合物 N−シクロヘキシルー2−ベンゾチアゾリルスルフェンアミド(「ノクセラーCZ−G(CZ)」、大内新興化学工業社製)
(A)N,N’−m−フェニレンジマレイミド(「バルノックPM−P」、大内新興化学工業社製)
(B)N,N’−(4,4’−ジフェニルメタン)ビスマレイミド(「BMI」、ケイ・アイ化成社製)
e)老化防止剤
(A)N−フェニル−N’−(1,3−ジメチルブチル)−p−フェニレンジアミン(「ノクラック6C」、大内新興化学工業社製)
(B)2,2,4−トリメチル−1,2−ジヒドロキノリン重合体(「ノンフレックスRD」、精工化学社製)
f)酸化亜鉛 3号亜鉛華
g)ステアリン酸 工業用ステアリン酸
h)ワックス ミクロクリスタリンワックス
各ゴム組成物については、それぞれの加硫ゴムを作製して特性評価を行った。
評価は、各ゴムを所定の金型を使用して150℃にて30分加熱、加硫して得られたゴムについて行った。
JIS3号ダンベルを使用して作製したサンプルを100℃のオーブン中に400時間放置し、取り出して室温に冷却後、JIS K 6251に基づき破断時伸び(EB)を測定した。評価は比較例1のゴム組成物を加硫して得られたゴムのEBの測定結果を100として指数評価した。数値が大きいほど、耐熱性に優れていることを示す。評価結果を表1に示す。
JIS−K 6262に基づき圧縮永久歪試験を行い、圧縮永久歪率(%)を測定した。評価は比較例1のゴム組成物を加硫して得られたゴムの圧縮永久歪率の測定結果を100として指数評価した。数値が小さいほど、耐ヘタリ性、つまり耐久性に優れていることを示す。評価結果を表1に示す。
Claims (3)
- 天然ゴム、又は天然ゴムとジエン系合成ゴムとのブレンドを主成分とするゴム成分を含有する防振ゴム用ゴム組成物において、
前記ゴム成分100重量部に対して、0.1〜1重量部の硫黄と、下記一般式(1)で表されるスルフェンイミド化合物と、マレイミド化合物とを含有することを特徴とする防振ゴム用ゴム組成物。
(式中、R1は炭素数1〜18の直鎖アルキル基、分岐鎖アルキル基、脂環族炭化水素基、又は芳香族炭化水素基を表す)。 - さらに、チアゾール化合物を含有する請求項1記載の防振ゴム用ゴム組成物。
- 請求項1又は2に記載の防振ゴム用ゴム組成物を使用し、加硫、成形して得られる防振ゴム。
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2011144320A (ja) * | 2010-01-18 | 2011-07-28 | Bridgestone Corp | 防振ゴム組成物及び防振ゴム |
JP2013010953A (ja) * | 2011-06-01 | 2013-01-17 | Bridgestone Corp | 防振ゴム組成物及び防振ゴム |
JP2013023582A (ja) * | 2011-07-21 | 2013-02-04 | Bridgestone Corp | 防振ゴム組成物及び防振ゴム |
US9725524B2 (en) | 2011-06-01 | 2017-08-08 | Bridgestone Corporation | Anti-vibration rubber composition and anti-vibration rubber |
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JP2011144320A (ja) * | 2010-01-18 | 2011-07-28 | Bridgestone Corp | 防振ゴム組成物及び防振ゴム |
JP2013010953A (ja) * | 2011-06-01 | 2013-01-17 | Bridgestone Corp | 防振ゴム組成物及び防振ゴム |
US9725524B2 (en) | 2011-06-01 | 2017-08-08 | Bridgestone Corporation | Anti-vibration rubber composition and anti-vibration rubber |
JP2013023582A (ja) * | 2011-07-21 | 2013-02-04 | Bridgestone Corp | 防振ゴム組成物及び防振ゴム |
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