JP6899916B2 - グラフェン含有被膜潤滑剤 - Google Patents
グラフェン含有被膜潤滑剤 Download PDFInfo
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- JP6899916B2 JP6899916B2 JP2019549436A JP2019549436A JP6899916B2 JP 6899916 B2 JP6899916 B2 JP 6899916B2 JP 2019549436 A JP2019549436 A JP 2019549436A JP 2019549436 A JP2019549436 A JP 2019549436A JP 6899916 B2 JP6899916 B2 JP 6899916B2
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- C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2213/06—Perfluoro polymers
- C10M2213/062—Polytetrafluoroethylene [PTFE]
- C10M2213/0623—Polytetrafluoroethylene [PTFE] used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
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Description
(A) 12〜32質量%の結合剤、
(B) 0.5〜5質量%の補助結合剤、
(C) 4〜10質量%の固体潤滑剤、
(D) 0.5〜10質量%のグラフェン、
(E) 0.1〜2.0質量%の添加剤
を含み、且つ溶剤で100質量%に補充される。
(A) 70.2〜54.2質量%の結合剤、
(B) 2.9〜8.5質量%の補助結合剤、
(C) 23.4〜16.9質量%の固体潤滑剤、
(D) 2.9〜16.9質量%のグラフェン、および
(E) 0.6〜3.4質量%の添加剤。
(A) 12〜32質量%のPAI(用いられた分散液中の固形分)、
(B) 0.5〜5質量%のエポキシド、
(C) 4〜10質量%のPTFE微細粉末、
(D) 0.5〜10質量%のグラフェン、
(E) 0.1〜2.0質量%の湿潤剤およびレオロジー添加剤
を含み、溶剤で100質量%に補充される、被膜潤滑剤が特に好ましい。
PAI樹脂溶液(NEP、36%) 55質量%
エポキシド 1質量%
PTFE 7質量%
グラフェン 2質量%
湿潤剤/レオロジー添加剤 0.5質量%
残部の溶剤(キシレン、NEP、NBP)。
PAI樹脂溶液(NEP、36%) 55質量%
エポキシド 1質量%
PTFE 7質量%
グラフェン 5質量%
湿潤剤/レオロジー添加剤 0.5質量%
残部の溶剤(キシレン、NEP、NBP)。
PAI樹脂溶液(NEP、36%) 55質量%
エポキシド 1質量%
PTFE 7質量%
グラフェン 0質量%
湿潤剤/レオロジー添加剤 0.5質量%
残部の溶剤(キシレン、NEP、NBP)。
・ 99.5%のC、厚さ2nm、幅1〜2μm、比表面積750m2/g;
・ 91%のC、残部のNおよびO; 機能化グラフェン、還元されたグラフェン酸化物; 厚さ約1〜4nmおよび幅1〜2μm、比表面積700〜800m2/g;
・ 96%を上回るC、厚さ3〜4nm、幅7μm(D90値)、比表面積300〜400m2/g。
参照と比較したナノインデンテーション法
例1aおよび1bによる被膜潤滑剤はナノ強化された塗料と同様の硬さである、
例2aおよび2bによる被膜潤滑剤はナノ強化された塗料よりも硬い。
Claims (11)
- グラフェン含有被膜潤滑剤であって、
(A) 12〜32質量%の、ポリアミドイミド(PAI)、ポリイミド(PI)、ポリエーテルエーテルケトン(PEEK)、ポリエーテルケトン(PEK)、ポリエーテルスルホン(PES)およびシリコーン樹脂からなる群から選択される少なくとも1種の結合剤、
(B) 0.5〜5質量%の、エポキシド、イソシアネート、ブロックドイソシアネートおよびカルボジイミドからなる群から選択される少なくとも1種の補助結合剤、
(C) 4〜10質量%の、ワックス、変性ワックス、PE、PP、PA、シリコーンワックス、PTFE、ポリフッ素化化合物、グラファイト、MoS 2 、六方晶窒化ホウ素、硫化スズ(IV)、硫化亜鉛(II)、二硫化タングステン、リン酸カルシウム、ケイ酸塩、層状ケイ酸塩、タルクおよび雲母からなる群から選択される少なくとも1種の固体潤滑剤、
(D) 0.5〜10質量%のグラフェン、
(E) 0.1〜2.0質量%の、湿潤剤、分散添加剤、消泡剤、脱気剤、流動剤、腐食防止剤、レオロジー添加剤、沈殿防止剤、充填剤、顔料、摩耗防止剤および染料からなる群から選択される少なくとも1種の添加剤
を含み、溶剤で100質量%に補充され、前記グラフェンとして、100nmまでの厚さで20μmまでの幅を有するグラフェン小板が用いられる、前記グラフェン含有被膜潤滑剤。 - 前記結合剤が、少なくとも5000g/mol〜100000g/molのモル質量(Mw)を有する、請求項1に記載のグラフェン含有被膜潤滑剤。
- 結合剤として、10000〜30000g/molのモル質量(Mw)を有するポリアミドイミド(PAI)が用いられる、請求項1または2に記載のグラフェン含有被膜潤滑剤。
- 補助結合剤が、1000g/mol未満のモル質量(Mw)を有する分子化合物またはオリゴマー化合物である、請求項1から3までのいずれか1項に記載のグラフェン含有被膜潤滑剤。
- 前記補助結合剤が、N,N,N’,N’−テトラグリシジル−4,4’−メチレンビスベンゼンアミン、平均モル質量700g/mol未満を有するCas番号25068−38−6のビスフェノール−エピクロロヒドリン樹脂、および平均モル質量約900g/molを有するCas番号25036−25−3のビスフェノール−A−ジグリシジルエーテル−ビスフェノール−A−コポリマーからなる群から選択される、請求項4に記載のグラフェン含有被膜潤滑剤。
- 前記溶剤が、水、芳香族溶剤、アルコール類、ケトン類、ピロリドン類、モルホリン類およびアミド類からなる群から選択される、請求項1から5までのいずれか1項に記載のグラフェン含有被膜潤滑剤。
- 前記固体潤滑剤がPTFEである、請求項1から6までのいずれか1項に記載のグラフェン含有被膜潤滑剤。
- グラフェンとして、1〜5nmの厚さおよび0.5〜10μmの幅を有するグラフェン小板が用いられる、請求項1から7までのいずれか1項に記載のグラフェン含有被膜潤滑剤。
- 前記グラフェンが、
99.5%のC、厚さ1〜4nm、幅1〜5μm、比表面積750m2/g、
91%のC、残部のNおよびO;機能化グラフェン、還元されたグラフェン酸化物;厚さ約1〜4nmおよび幅1〜5μm、比表面積700〜800m2/g
からなる群から選択される、請求項8に記載のグラフェン含有被膜潤滑剤。 - 硬化後に、
(A) 70.2〜54.2質量%の結合剤、
(B) 2.9〜8.5質量%の補助結合剤、
(C) 23.4〜16.9質量%の固体潤滑剤、
(D) 2.9〜16.9質量%のグラフェン、
(E) 0.6〜3.4質量%の添加剤
を含む、請求項1から9までのいずれか1項に記載のグラフェン含有皮膜潤滑剤から構成されるグラフェン含有被膜潤滑剤コーティング。 - 金属材料、複合材料、アルミニウム、アルミニウム合金、鋼材料、特殊鋼材料、鋳造材料、非鉄金属、プラスチックまたはポリマーをコーティングするための、請求項1から9までのいずれか1項に記載のグラフェン含有被膜潤滑剤の使用。
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DE102018000610.8A DE102018000610A1 (de) | 2017-03-22 | 2018-01-25 | Graphen-haltige Gleitlacke |
DE102018000610.8 | 2018-01-25 | ||
PCT/EP2018/000096 WO2018171931A1 (de) | 2017-03-22 | 2018-03-12 | Graphen-haltige gleitlacke |
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HU (1) | HUE057473T2 (ja) |
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