Idemitsu Kosan Company, Limited

Idemitsu Kosan., Ltd.

Fumiaki Takagi

Kazuaki Abe

Masami Yamanaka

Yoichiro Jido

Katsumi Ichitani

Hiroshi Kawasaki

Saburo Koyama

Youichiro Jido

Toshio Fuchigami

Tomohiko Kitamura

Toshifumi Satoh

Toyoji Kakuchi

Ryosuke Sakai

Takashi Urabe

Norihito Kanno

Toshio; Fuchigami

Provided are a water-soluble metalworking oil agent (cutting oil agent or grinding oil agent) and a metalworking liquid, each of which has excellent cutting machining performance or grinding machining performance of aluminum or aluminum alloys, hardly causes rotting deterioration, and has excellent emulsion dispersion stability and stability of undiluted liquid, by containing specified components (A) to (E) as essential components without containing a machinability-improving agent with a high environmental load, such as chlorine, sulfur, and phosphorus. Provided is also a metalworking method using the same.

Water-soluble metalworking fluid, metalworking liquid, and metalworking method

The invention provides a water-soluble metal-working oil agent, including a component A, a component B, a component C, and a component D, wherein the component A is an ester compound which has a characteristic temperature, as measured in accordance with JIS K2242, of 570&#xb0; C. or higher and which is contained in the water-soluble metal-working oil agent in an amount of 10 mass % or more with respect to the entire amount of the agent; the component B is at least one condensed fatty acid which is selected from a condensed fatty acid (1), produced through dehydration condensation of a hydroxycarboxylic acid, and a condensed fatty acid (2), produced through dehydration condensation of an alcoholic hydroxyl group of the condensed fatty acid (1) with a monovalent carboxylic acid, which has a characteristic temperature, as measured in accordance with JIS K2242, of 650&#xb0; C. or higher, and which is contained in the water-soluble metal-working oil agent in an amount of 7.5 mass % or more with respect to the entire amount of the agent; the component C is a carboxylic acid which is contained in the water-soluble metal-working oil agent in an amount of 2 mass % or more with respect to the entire amount of the agent; and the component D is a basic compound contained in such a neutralization equivalent that at least the component B and component C are neutralized to cancel out the sum of the acid values thereof. The agent can provide excellent workability with a hard-to-work material and can prolong tool life.

Water-soluble metalworking oil agent, metalworking fluid, and metalworking method

The invention provides a water-soluble metal-working oil agent, including a component A and a component B, wherein the component A is a mineral oil which has a characteristic temperature, as measured in accordance with JIS K2242, of 570&#xb0; C. or higher, and the component B is at least one condensed fatty acid which is selected from a condensed fatty acid (1), produced through dehydration condensation of a hydroxycarboxylic acid, and a condensed fatty acid (2), produced through dehydration condensation of an alcoholic hydroxyl group of the condensed fatty acid (1) with a monovalent carboxylic acid, which has a characteristic temperature, as measured in accordance with JIS K2242, of 650&#xb0; C. or higher. The agent can provide excellent workability with a hard-to-work material and can prolong tool life.

A water-soluble metalworking oil agent is provided by blending the following components A, B, C and D:

Water-soluble metalworking oil agent and usage thereof

An aqueous heat treatment liquid composition exhibiting a favorable rust resistance with a high cooling capability and a high uneven-cooling resistance is provided. The aqueous heat treatment liquid composition contains a hyperbranched polyglycerol. A mass average absolute molecular weight of the aqueous heat treatment liquid composition is preferably in a range of 5,000 to 500,000. When the aqueous heat treatment liquid composition is used for quenching of a metallic component, the aqueous heat treatment liquid composition can exhibit a favorable rust resistance with a high cooling capability and a high uneven-cooling resistance.

Aqueous heat treatment liquid composition

Provided is a lubricant for metal working comprising a vinylidene compound having 12 to 64 carbon atoms obtained by oligomerizing &#x3b1;-olefins, having 4 to 20 carbon atoms, using a metallocene catalyst. The lubricant for metal working is excellent in a workability and a surface detergency property and has a high flash point and can reduce environmental pollution.

Metalworking lubricant

Provided is a water-based lubricant comprising a hyperbranch-type polyglycerol having an absolute molecular weight of from 5,000 to 500,000. The water-based lubricant has a small friction coefficient and is excellent in lubrication performance and defoamability, as compared with conventional water-based lubricants comprising an ethylene/propylene oxide copolymer, and is favorable, for example, for a water-based metal processing agent and a hydraulic pressure fluid.

Aqueous lubricant

To provide a water-soluble working fluid which less adversely affects the human body and the ecological system as compared with conventional water-soluble working fluids, which has high rotting resistance, and which provides excellent working performance. The water-soluble working fluid of the invention contains methyldicyclohexylamine.

Water-soluble processing oil agent

Water-based metalworking fluid contains: (A) alkanolamine represented by the following formula (1) and/or (B) alkanolamine represented by the following formula (2); and (C) 2-pyridylthio-1-oxide salt.  In the formula (1): each Rrepresents hydrogen or an alkyl group having 1 to 3 carbon atoms; n represents 2 or 3; and plural Rmay be mutually the same or different on condition that not all Rrepresent hydrogen.  In the formula (2): Rrepresents an alkyl group having 1 to 10 carbon atoms; and Zand Zeach represent an alkylene group having 2 to 8 carbon atoms.

Water-based metalworking fluid

An organic compound hydrogenation apparatusof the present invention includes a reaction cellto which an electrolytic solution is supplied, and an anodeand a cathodearranged in the reaction cell, in which the cathodeis made of a material including a hydrogen storage material, the cathode being arranged as a tubular member so that an organic compound as an object to be treated circulates thereinside. The present invention having the arrangement described above can provide a method for hydrogenating organic compounds and an organic compound hydrogenation apparatus that can enhance efficiency of hydrogenation of the organic compound.

Organic compound hydrogenation apparatus and method for hydrogenating organic compound

A method of reduction reclamation of an oil or prevention of oxidation degradation of the oil of the present invention includes: using an electrolytic cellhaving an anodeand a cathodemade of a hydrogen storage material, and inside of the cell divided by the cathodeinto an electrolytic chamberA and a reduction chamberA; supplying the oil to the reduction chamberA while applying an electric voltage between the anodeand the cathodeto electrolyze an electrolytic solution supplied to the electrolytic chamber(Translator's comment: correctly,A); and absorbing hydrogen generated on the cathodein the electrolytic chamberA in the cathodeto reduce the oil in the reduction chamberA, the method for reduction reclamation of the oil or prevention of oxidation degradation of the oil allowing continuous treatment.

Method of reducing/regenerating oil or preventing oxidization/degeneration thereof

An extreme pressure agent and a friction coefficient modifier which comprises a compound having, in a molecule, a group represented by general formula (I):

Extreme pressure agent, friction coefficient modifier, and functional fluids

Additive composition

An extreme pressure agent and a friction coefficient modifier which comprises a compound having, in a molecule, a group represented by general formula (I): ##STR1## wherein R.sup.1, R.sup.2, and R.sup.3 each represents hydrogen atom or methyl group, and at least one of R.sup.2 and R.sup.3 represents hydrogen atom; a fluid resistant to seizure under load and a wear resistant fluid which each comprises the above additive or the above modifier; and a flame resistant fluid which comprises a thermally polymerizable substance, preferably the above compound. The extreme pressure agent and the friction coefficient modifier have excellent properties and are advantageously used for lubricating oil, metal working oil, and hydraulic oil. The flame resistant fluid suppresses vaporization of flammable substances by thermal polymerization to prevent fire when the fluid is exposed to a high temperature and is advantageously used as lubricating oil, metal working oil, hydraulic oil, heat treatment oil, and grease.

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Ichihara, Japan

Fumiaki Takagi