JP2016113609A - 自動車用ブレーキ液組成物 - Google Patents
自動車用ブレーキ液組成物 Download PDFInfo
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Abstract
Description
実施例1〜6及び比較例1〜2:DOT-4タイプに基づいたブレーキ液組成物の製造
下記表1に示したところのような成分と成分比で、DOT-4タイプに基づいたブレーキ液組成物を製造した。
実験例1. 各組成物の大気中の水分吸湿量テスト
前記表1のDOT-4タイプに基づいたブレーキ液組成物(実施例1〜6及び比較例1〜2)をビーカーに100ml入れたあと、下記表2に示すように15日目になるまで常温に放置し、大気中の水分吸湿量を比較観察した。テスト前のブレーキ液を新液とし、テスト後15日が経過するまで毎日の水分吸湿量を測定してこれらの結果を表2に纏めた。
前記実験例1でテストした各組成物のテスト前の新液と、15日が経過したブレーキ液との沸点をそれぞれ比べた。下記表3は、前記表2のDOT-4タイプに基づいたブレーキ液組成物の沸点を比べる表である。
車両の走行中、ブレーキ制動時にブレーキシステム部品のうちABS/ESPモジュールでは金属間の摩擦が発生することになり、頻繁なブレーキの制動時に金属の摩擦で耐磨耗性が低下してブレーキ制動時に制動距離が長くなる現象が発生することがある。前記製造したDOT-4タイプに基づいたブレーキ液組成物(実施例1〜6、比較例1〜2)と金属摩擦に対する極圧/耐磨耗性テストをASTM D 4172規格に準じた4球耐磨耗性テストで実施した。
前記表4の各ブレーキ液組成物の外観を図2に示した。各テスト後、OSP含量の少ない組成物及びOSPを含有していない組成物はさび色または黒色に変色した反面、OSPを5〜20重量%含有している組成物はブレーキ液の外観が良好であった。
Claims (8)
- ホウ酸エステル化合物30〜60重量%;
アルキレングリコールアルキルエーテル30〜60重量%;及び
脂溶性ポリアルキレングリコール0.05〜10重量%
を含むことを特徴とする自動車用ブレーキ液組成物。 - 前記脂溶性ポリアルキレングリコールは、下記式(1)で表される反復構造を含む高分子であることを特徴とする請求項1に記載の自動車用ブレーキ液組成物。
- 前記アルキレングリコールアルキルエーテルは、トリエチレングリコールモノメチルエーテル、トリエチレングリコールモノブチルエーテル、ポリエチレングリコールモノメチルエーテル、ポリエチレングリコールモノブチルエーテル及びジエチレングリコールモノブチルエーテルからなる群より選択される1種以上のものであることを特徴とする請求項1に記載の自動車用ブレーキ液組成物。
- 前記自動車用ブレーキ液組成物100重量部に対し、金属腐食防止剤0.1〜2.0重量部及び酸化防止剤0.1〜2.0重量部をさらに含むことを特徴とする請求項1に記載の自動車用ブレーキ液組成物。
- 前記金属腐食防止剤は、アルキルアミン系金属腐食防止剤0.05〜1.5重量部とトリアゾール系金属腐食防止剤0.05〜0.5重量部からなることを特徴とする請求項4に記載の自動車用ブレーキ液組成物。
- 前記アルキルアミン系金属腐食防止剤は、メチルアミン、ジブチルアミン、トリエチルアミン、トリエタノールアミン及びシクロヘキシルアミンからなる群より選択される1種以上のものであることを特徴とする請求項5に記載の自動車用ブレーキ液組成物。
- 前記トリアゾール系金属腐食防止剤は、ベンゾトリアゾール、メルカプトベンゾトリアゾール及びトリルトリアゾールからなる群より選択される1種以上のものであることを特徴とする請求項5に記載の自動車用ブレーキ液組成物。
- 前記酸化防止剤は、3,5-ジ(tert-ブチル)-4-ヒドロキシトルエンであることを特徴とする請求項4に記載の自動車用ブレーキ液組成物。
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KR10-2014-0181772 | 2014-12-16 | ||
KR1020140181772A KR101679930B1 (ko) | 2014-12-16 | 2014-12-16 | Osp를 함유하는 자동차용 브레이크액 조성물 |
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US (1) | US20160168502A1 (ja) |
JP (1) | JP2016113609A (ja) |
KR (1) | KR101679930B1 (ja) |
CN (1) | CN105695051A (ja) |
DE (1) | DE102015217799B4 (ja) |
Cited By (1)
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JP7507120B2 (ja) | 2021-04-23 | 2024-06-27 | 谷川油化興業株式会社 | ブレーキフルード組成物 |
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FR3058156B1 (fr) * | 2016-10-27 | 2022-09-16 | Total Marketing Services | Composition pour vehicule electrique |
US10160926B2 (en) * | 2016-11-25 | 2018-12-25 | Hyundai Motor Company | Axle oil composition having enhanced fuel efficiency and low viscosity |
DE102020111403A1 (de) * | 2020-04-27 | 2021-10-28 | Klüber Lubrication München Se & Co. Kg | Schmierstoffzusammensetzung und deren Verwendung |
CN116240062A (zh) * | 2023-02-27 | 2023-06-09 | 福建莱克石化有限公司 | 一种电动汽车制动液及其制作方法 |
CN116396792A (zh) * | 2023-04-11 | 2023-07-07 | 南京工业大学 | 一种硼酸酯型制动液及其制备方法 |
Citations (6)
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JPS60192797A (ja) * | 1984-03-14 | 1985-10-01 | Nippon Oil & Fats Co Ltd | 作動液 |
JPH01203500A (ja) * | 1988-02-09 | 1989-08-16 | Toho Chem Ind Co Ltd | ブレーキ液組成物 |
JP2001187893A (ja) * | 1999-12-31 | 2001-07-10 | Hyundai Motor Co Ltd | 自動車用のブレーキ液組成物 |
JP2014534316A (ja) * | 2011-11-01 | 2014-12-18 | ダウ グローバル テクノロジーズ エルエルシー | 油溶性ポリアルキレングリコール潤滑油組成物 |
JP2015532943A (ja) * | 2012-10-25 | 2015-11-16 | ダウ グローバル テクノロジーズ エルエルシー | 潤滑性組成物 |
JP2016532736A (ja) * | 2013-10-10 | 2016-10-20 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | 新規の機能性流体組成物 |
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EP2205706A1 (en) * | 2007-10-15 | 2010-07-14 | Dow Global Technologies Inc. | Functional fluid composition for improving lubricity of a braking system |
EP2904074B1 (en) * | 2012-12-12 | 2017-06-14 | Dow Global Technologies LLC | A concentrated metalworking fluid and metalworking process |
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JPS60192797A (ja) * | 1984-03-14 | 1985-10-01 | Nippon Oil & Fats Co Ltd | 作動液 |
JPH01203500A (ja) * | 1988-02-09 | 1989-08-16 | Toho Chem Ind Co Ltd | ブレーキ液組成物 |
JP2001187893A (ja) * | 1999-12-31 | 2001-07-10 | Hyundai Motor Co Ltd | 自動車用のブレーキ液組成物 |
JP2014534316A (ja) * | 2011-11-01 | 2014-12-18 | ダウ グローバル テクノロジーズ エルエルシー | 油溶性ポリアルキレングリコール潤滑油組成物 |
JP2015532943A (ja) * | 2012-10-25 | 2015-11-16 | ダウ グローバル テクノロジーズ エルエルシー | 潤滑性組成物 |
JP2016532736A (ja) * | 2013-10-10 | 2016-10-20 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | 新規の機能性流体組成物 |
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JP7507120B2 (ja) | 2021-04-23 | 2024-06-27 | 谷川油化興業株式会社 | ブレーキフルード組成物 |
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US20160168502A1 (en) | 2016-06-16 |
DE102015217799B4 (de) | 2020-12-31 |
DE102015217799A1 (de) | 2016-06-16 |
KR20160073231A (ko) | 2016-06-24 |
KR101679930B1 (ko) | 2016-11-25 |
CN105695051A (zh) | 2016-06-22 |
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