Jx Nippon Oil Energy Corporation

Miki Fujiwara

Daisuke Watanabe

Shinichi Komatsu

Kentaro Yamaguchi

Ryuichi Ueno

Takaya Matsumoto

Akira Shibashi

Rieko Fujishiro

Osamu Kurosawa

The present invention provides an imide compound represented by the following general formula (1). The imide compound of the present invention, particularly when used as a thickening agent for grease, is excellent in durability at high temperatures. [wherein X represents a tetravalent residue obtained by removing four carboxylic groups from an aromatic tetracarboxylic acid, Y represents a divalent residue obtained by removing two amino groups from an aliphatic diamine or an aromatic diamine, and R represents a residue obtained by removing an amino group from an aliphatic monoamine, an alicyclic monoamine, or an aromatic monoamine.]

Imide compound, method for producing same, thickening agent for grease, and grease composition

A polyimide containing at least one of repeating units represented by the following general formulae (1) and (2): wherein the formulae (1) and (2), R, R, and Reach independently represents a hydrogen atom or the like, Rrepresents an aryl group having 6 to 40 carbon atoms, and n represents an integer of 0 to 12, wherein a total amount of the repeating units represented by the general formulae (1) and (2) is 90% by mole or more relative to all repeating units.

Polyimide and alicyclic tetracarboxylic dianhydride used for producing the same

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Tokyo, Japan

Miki Fujiwara