JP2017014499A - エチレン・プロピレン・ジエンゴム発泡体およびシール材 - Google Patents
エチレン・プロピレン・ジエンゴム発泡体およびシール材 Download PDFInfo
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- JP2017014499A JP2017014499A JP2016126839A JP2016126839A JP2017014499A JP 2017014499 A JP2017014499 A JP 2017014499A JP 2016126839 A JP2016126839 A JP 2016126839A JP 2016126839 A JP2016126839 A JP 2016126839A JP 2017014499 A JP2017014499 A JP 2017014499A
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- ethylene
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- propylene
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- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
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- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
- WOQDVIVTFCTQCE-UHFFFAOYSA-N pentacontanediamide Chemical compound NC(=O)CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC(N)=O WOQDVIVTFCTQCE-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical class OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 1
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- AYHYUNXJCZPOHM-UHFFFAOYSA-M potassium 2,4-dimethylbenzenesulfinate Chemical compound CC1=C(C=CC(=C1)C)S(=O)[O-].[K+] AYHYUNXJCZPOHM-UHFFFAOYSA-M 0.000 description 1
- KQZLTJGDWZAZPQ-UHFFFAOYSA-M potassium;4-chlorobenzenesulfinate Chemical compound [K+].[O-]S(=O)C1=CC=C(Cl)C=C1 KQZLTJGDWZAZPQ-UHFFFAOYSA-M 0.000 description 1
- YVHWGMMGEAQQRT-UHFFFAOYSA-M potassium;4-methylbenzenesulfinate Chemical compound [K+].CC1=CC=C(S([O-])=O)C=C1 YVHWGMMGEAQQRT-UHFFFAOYSA-M 0.000 description 1
- LZSBNSVOXWMXLL-UHFFFAOYSA-M potassium;benzenesulfinate Chemical compound [K+].[O-]S(=O)C1=CC=CC=C1 LZSBNSVOXWMXLL-UHFFFAOYSA-M 0.000 description 1
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- 230000002265 prevention Effects 0.000 description 1
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- 239000011669 selenium Substances 0.000 description 1
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- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
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- RJOIQONGZNFSKJ-UHFFFAOYSA-M sodium 2,3-dimethylbenzenesulfinate Chemical compound [Na+].CC1=CC=CC(S([O-])=O)=C1C RJOIQONGZNFSKJ-UHFFFAOYSA-M 0.000 description 1
- NERJCQZZATXERN-UHFFFAOYSA-M sodium 2-chloro-4-methylbenzenesulfinate Chemical compound ClC1=C(C=CC(=C1)C)S(=O)[O-].[Na+] NERJCQZZATXERN-UHFFFAOYSA-M 0.000 description 1
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- FTSCGYRCOWFJRO-UHFFFAOYSA-M sodium;2,4-dimethylbenzenesulfinate Chemical compound [Na+].CC1=CC=C(S([O-])=O)C(C)=C1 FTSCGYRCOWFJRO-UHFFFAOYSA-M 0.000 description 1
- NHSAAANNKRGWBY-UHFFFAOYSA-M sodium;2,5-dimethylbenzenesulfinate Chemical compound [Na+].CC1=CC=C(C)C(S([O-])=O)=C1 NHSAAANNKRGWBY-UHFFFAOYSA-M 0.000 description 1
- ZGOTUKXVYFUJID-UHFFFAOYSA-M sodium;2-fluorobenzenesulfinate Chemical compound [Na+].[O-]S(=O)C1=CC=CC=C1F ZGOTUKXVYFUJID-UHFFFAOYSA-M 0.000 description 1
- FJSOUHVHPWODGS-UHFFFAOYSA-M sodium;4-bromobenzenesulfinate Chemical compound [Na+].[O-]S(=O)C1=CC=C(Br)C=C1 FJSOUHVHPWODGS-UHFFFAOYSA-M 0.000 description 1
- KFZUDNZQQCWGKF-UHFFFAOYSA-M sodium;4-methylbenzenesulfinate Chemical compound [Na+].CC1=CC=C(S([O-])=O)C=C1 KFZUDNZQQCWGKF-UHFFFAOYSA-M 0.000 description 1
- IHMVILRIAKQYIY-UHFFFAOYSA-M sodium;4-tert-butylbenzenesulfinate Chemical compound [Na+].CC(C)(C)C1=CC=C(S([O-])=O)C=C1 IHMVILRIAKQYIY-UHFFFAOYSA-M 0.000 description 1
- VQBIMXHWYSRDLF-UHFFFAOYSA-M sodium;azane;hydrogen carbonate Chemical compound [NH4+].[Na+].[O-]C([O-])=O VQBIMXHWYSRDLF-UHFFFAOYSA-M 0.000 description 1
- CHLCPTJLUJHDBO-UHFFFAOYSA-M sodium;benzenesulfinate Chemical compound [Na+].[O-]S(=O)C1=CC=CC=C1 CHLCPTJLUJHDBO-UHFFFAOYSA-M 0.000 description 1
- IRZFQKXEKAODTJ-UHFFFAOYSA-M sodium;propan-2-yloxymethanedithioate Chemical compound [Na+].CC(C)OC([S-])=S IRZFQKXEKAODTJ-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 125000003698 tetramethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- YXFVVABEGXRONW-UHFFFAOYSA-N toluene Substances CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 1
- 229940029284 trichlorofluoromethane Drugs 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- RKQOSDAEEGPRER-UHFFFAOYSA-L zinc diethyldithiocarbamate Chemical compound [Zn+2].CCN(CC)C([S-])=S.CCN(CC)C([S-])=S RKQOSDAEEGPRER-UHFFFAOYSA-L 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
- KHYUFILZGMOXBR-UHFFFAOYSA-L zinc;4-methylbenzenesulfinate Chemical compound [Zn+2].CC1=CC=C(S([O-])=O)C=C1.CC1=CC=C(S([O-])=O)C=C1 KHYUFILZGMOXBR-UHFFFAOYSA-L 0.000 description 1
- UMGLWJIVIBWZCW-UHFFFAOYSA-L zinc;benzenesulfinate Chemical compound [Zn+2].[O-]S(=O)C1=CC=CC=C1.[O-]S(=O)C1=CC=CC=C1 UMGLWJIVIBWZCW-UHFFFAOYSA-L 0.000 description 1
- AUMBZPPBWALQRO-UHFFFAOYSA-L zinc;n,n-dibenzylcarbamodithioate Chemical compound [Zn+2].C=1C=CC=CC=1CN(C(=S)[S-])CC1=CC=CC=C1.C=1C=CC=CC=1CN(C(=S)[S-])CC1=CC=CC=C1 AUMBZPPBWALQRO-UHFFFAOYSA-L 0.000 description 1
- SZNCKQHFYDCMLZ-UHFFFAOYSA-L zinc;propan-2-yloxymethanedithioate Chemical compound [Zn+2].CC(C)OC([S-])=S.CC(C)OC([S-])=S SZNCKQHFYDCMLZ-UHFFFAOYSA-L 0.000 description 1
- DUBNHZYBDBBJHD-UHFFFAOYSA-L ziram Chemical compound [Zn+2].CN(C)C([S-])=S.CN(C)C([S-])=S DUBNHZYBDBBJHD-UHFFFAOYSA-L 0.000 description 1
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Abstract
Description
(1)EPDM発泡体の製造
表1に示す配合処方に記載の配合量において、EPDM、発泡剤、発泡助剤、軟化剤、充填材、加工助剤および顔料を配合し、3L加圧ニーダーにて混練し、一次混和物を調製した。
各実施例および各比較例のEPDM発泡体の各物性を、下記に示す方法で測定した。それらの結果を表1に示す。
EPDM発泡体の見掛け密度をJIS K 6767(1999)に準じて測定した。具体的には、EPDM発泡体のスキン層を除去して、厚み約10mmの試験片を作製した。その後、質量を測定して、単位体積あたりの質量(見掛け密度)を算出した。
EPDM発泡体の圧縮荷重値をJIS K 6767(1999)に準じて測定した。具体的には、EPDM発泡体のスキン層を除去して、厚み約10mmの試験片を作製した。その後、圧縮試験機を用いて、圧縮速度10mm/分で50%圧縮してから10秒後の圧縮荷重値を測定した。
EPDM発泡体の抗張力および伸び率をJIS K 6767(1999)に準じて測定した。具体的には、EPDM発泡体のスキン層を除去して、厚み約10mmの試験片を作製した。その後、ダンベル1号を用いて、試験片を打ち抜き、測定用サンプルとした。引張り試験機にて、引張り速度500mm/minの速さで測定用サンプルを引張り、測定用サンプルがダンベル形状平行部で切断したときの荷重(抗張力)および伸び率(破断伸び)を測定した。
EPDM発泡体のスキン層を除去して、縦100mm横50mm厚さ10mmの試験片を作製した。その後、開口部内径40mm底部内径70mm高さ160mmのガラス瓶の底に試験片を配置し、ガラス瓶を100℃のシリコーンオイルバス(オイルの深さ110mm)に浸した。次いで、ガラス瓶の開口部にガラス板を配置することにより開口部に蓋をして、20時間放置した。放置後、ガラス板の質量を測定し、放置前のガラス板に対する質量の増加量を測定した。
70%止水性試験の概要を図2に示す。EPDM発泡体サンプル2を厚さ10mm、幅10mm、高さ148mm、両先端の間隔54mmとしてU字状に打ち抜いた。このサンプル2をアクリル板4とアルミ板5にてスペーサー6を介してボルト7締めして、厚さ方向に70%圧縮した(すなわち、サンプル2の厚みが3mmになるまで圧縮した)。サンプル2のU字内に100mm高さまで水8を入れ、水漏れまでの時間を測定した。1時間未満に水漏れがあった場合を「×」、1時間以上12時間以内に水漏れがあった場合を「△」、12時間経過の時点で水漏れが見られなかった場合を「○」と評価した。
EPDM発泡体サンプル2を厚み方向に80%圧縮した以外は、70%止水性試験と同様に実施して、水漏れまでの時間を測定した。1時間未満に水漏れがあった場合を「×」、1時間以上12時間以内に水漏れがあった場合を「△」、12時間経過の時点で水漏れが見られなかった場合を「○」と評価した。
・EPT8030M:長鎖分岐構造含有(η*(Γ=0.15)/η*(Γ=17.5)=11.3)、ジエン(5−エチリデン−2−ノルボルネン)含有量9.5質量%、触媒:メタロセン触媒、32(ML(1+4)100℃)、三井化学社製
・EP24:ジエン(5−エチリデン−2−ノルボルネン)含有量4.5質量%、JSR社製
・ADCA:アゾジカルボンアミド
・ブローンアスファルト:「Trumbll Base Asphalt 4402」、アスファルト、Trumbll社製
・硫黄:「アルファグランS−50EN」、硫黄マスターバッチ、東知社製
・チアゾール類:2−メルカプトベンゾチアゾール
・ジチオカルバミン酸塩類:ジベンジルジチオカルバミン酸亜鉛
・エチレンビスステアリン酸アミド:「アルフローH−50TF」、非イオン系界面活性剤、日油社製
・ステアリン酸モノアミド:「アルフローS−10」、非イオン系界面活性剤、日油社製
・ポリオキシエチレンモノステアレート:「ノニオンS−15」、非イオン系界面活性剤、日油社製
・エチレングリコールジステアレート:「ユニスターE−275」、非イオン系界面活性剤、日油社製
・ステアリン酸カルシウム:「SC−P」、カチオン系界面活性剤、堺化学社製
・ポリエチレングリコール:「PEG4000」、三洋化成工業社製
・ビス−p−トルエンスルフィン酸亜鉛:「セルペーストP」、永和化成社製
・酸化カルシウム:「CML#31」、近江化学工業社製
2 EPDM発泡体
3 粘着層
Claims (8)
- エチレン・プロピレン・ジエンゴム、架橋剤、架橋促進剤、発泡剤、発泡助剤および非イオン系界面活性剤を含有するゴム組成物を発泡させることにより得られ、
伸び率が、300%以上1000%以下であることを特徴とする、エチレン・プロピレン・ジエンゴム発泡体。 - 前記非イオン系界面活性剤が、脂肪酸アミド類であることを特徴とする、請求項1に記載のエチレン・プロピレン・ジエンゴム発泡体。
- 前記非イオン系界面活性剤の含有割合が、前記エチレン・プロピレン・ジエンゴム100質量部に対して、3質量部以上20質量部以下であることを特徴とする、請求項1または2に記載のエチレン・プロピレン・ジエンゴム発泡体。
- 前記ゴム組成物が、芳香族スルフィン酸化合物をさらに含有することを特徴とする、請求項1〜3のいずれか一項に記載のエチレン・プロピレン・ジエンゴム発泡体。
- 前記芳香族スルフィン酸化合物の含有割合が、前記非イオン系界面活性剤100質量部に対して、10質量部以上300質量部以下であることを特徴とする、請求項4に記載のエチレン・プロピレン・ジエンゴム発泡体。
- 見掛け密度が、0.050g/cm3以上0.200g/cm3以下であることを特徴とする、請求項1〜5のいずれか一項に記載のエチレン・プロピレン・ジエンゴム発泡体。
- 50%圧縮荷重が、0.1N/cm2以上2.0N/cm2以下であることを特徴とする、請求項1〜6のいずれか一項に記載のエチレン・プロピレン・ジエンゴム発泡体。
- 部材の隙間を充填するためのシール材であって、
請求項1〜7のいずれか一項に記載のエチレン・プロピレン・ジエンゴム発泡体と、
前記エチレン・プロピレン・ジエンゴム発泡体の少なくとも一方面に設けられる粘着層と
を備えることを特徴とする、シール材。
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JP7355550B2 (ja) | 2019-08-08 | 2023-10-03 | 三井化学株式会社 | 燃料電池用ガスケット |
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