LUBRICANT COMPOSITION FOR PLASTICITY PROCESSING

To provide the lubricant composition for the plasticity processing that has a high friction coefficient, excellent abrasion resistance, and high oxidation stability.SOLUTION: The lubricant composition for the plastic processing comprises an ester compound (A) and a dithiophosphoric acid ester deriva...

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Hauptverfasser: MATSUMOTO TADAYUKI, KITA YOSHIHIKO, SHIMADA KAZUKI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide the lubricant composition for the plasticity processing that has a high friction coefficient, excellent abrasion resistance, and high oxidation stability.SOLUTION: The lubricant composition for the plastic processing comprises an ester compound (A) and a dithiophosphoric acid ester derivative (B), wherein (B) is 0.01 to 5 pts.wt. with respect to 100 pts.wt. of (A). (A) is an ester compound of a neopentyl polyol having 5 to 10 carbon atoms an alcohol valence of 2 to 6 and a branched saturated monocarboxylic acid having 5 to 12 carbon atoms. (B) is a dithiophosphate derivative shown below (Rand Rare alkyl groups having 1 to 5 carbon atoms, Ris a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, and A is an alkylene group having 1 to 5 carbon atoms).SELECTED DRAWING: None 【課題】高い摩擦係数を有し、かつ耐摩耗性に優れ、高い酸化安定性を有する塑性加工用潤滑油組成物の提供。【解決手段】エステル化合物(A)およびジチオリン酸エステル誘導体(B)を含有し、(A)100重量部に対して、(B)を0.01〜5重量部含有する塑性加工用潤滑油組成物。(A):炭素数が5〜10であり、アルコールの価数が2〜6価のネオペンチルポリオールと、炭素数が5〜12の分岐飽和モノカルボン酸とのエステル化合物(B):下記のジチオリン酸エステル誘導体(R1、R2はして炭素数1〜5のアルキル基、R3は水素原子または炭素数1〜5のアルキル基、Aは炭素数1〜5のアルキレン基)【選択図】なし