Daikin Kogyo Co., Ltd.

Daikin Kogyo Kabushiki Kaisha

Daikan Kogyo Co., Ltd.

Chiaki Maeda

Iwao Hisamoto

Mitsuhiro Nishiwaki

Yukio Omure

Masaru Hirai

Takasige Esaka

Akitoshi Iwatani

Shoshin Fukui

Atsuo Katsushima

Takahisa Kato

Hiroyuki Shinkai

Masayuki Nagai

Masayuki Asaoka

Naonori Enjo

Hideki Aomi

Takayuki Deguchi

Toshihiko Iida

Takasi Onishi

Takashi Onishi

A fluorine-containing surface active composition capable reducing the surface tension of water and the interfacial tension between water and oil, which comprises (A) at least one of cationic, non-ionic to ampho-ionic surfactant showing a surface tension of not more than 25 dyne/cm when determined on a 0.01 to 1.0 % by weight aqueous solution and having at least one fluorine-containing group comprising not less than 6 carbon atoms, of which each carbon atom bears at least one fluorine atom, and (B) at least one of surfactants of the formula: ##STR1## wherein R is a substituted or unsubstituted aliphatic group of 4 to 20 carbon atoms or a substituted or unsubstituted aromatic hydrocarbon group of 6 to 20 carbon atoms, R.sup.1, R.sup.2 and R.sup.3 are each a hydrogen atom, a substituted or unsubstituted aliphatic group of 4 to 20 carbon atoms, a substituted or unsubstituted aromatic hydrocarbon group of 6 to 20 carbon atoms or a fluorine-containing group comprising not more than 5 carbon atoms, of which each carbon atom bears at least one fluorine atom, and X.sup.- is an anion, provided that at least one of R.sup.1, R.sup.2 and R.sup.3 is a fluorine-cntaining group or, when none of R.sup.1, R.sup.2 and R.sup.3 is a fluorine-containing group, X.sup.- is an anion corresponding to the fluorine-containing group.

Fluorine-containing surface active compositions

A fluorine-containing quaternary ammonium compound of the formula: ##STR1## wherein R.sub.f is a fluorine-containing straight or branched aliphatic hydrocarbon or polyether group, R.sub.1, R.sub.2 and R.sub.3 are each a C.sub.1 -C.sub.21 straight or branched alkyl, hydroxyalkyl or alkenyl group or a substituted or unsubstituted aryl or aralkyl group, R.sub.4 is a hydrogen atom or a acyl group, X.sup.- is an anion and n is an integer of 1 to 3, having a capability of reducing the surface tension of water and the interfacial tension between water and oil.

Fluorine-containing quaternary ammonium compounds and their production

A fluorine-containing surface active composition capable reducing the surface tension of water to the interfacial tension between water and oil, which comprises (A) at least one of cationic, non-ionic and ampho-ionic surfactant showing a surface tension of not more than 25 dyne/cm when determined on a 0.01 to 1.0 % by weight aqueous solution and having at least one fluorine-containing group comprising not less than 6 carbon atoms, of which each carbon atom bears at least one fluorine atom, and (B) at least one of surfactants of the formula: ##STR1## wherein R is a substituted or unsubstituted aliphatic group of 4 to 20 carbon atoms or a substituted or unsubstituted aromatic hydrocarbon group of 6 to 20 carbon atoms, R.sup.1, R.sup.2 and R.sup.3 are each a hydrogen atom, a substituted or unsubstituted aliphatic group of 4 to 20 carbon atoms, a substituted or unsubstituted aromatic hydrocarbon group of 6 to 20 carbon atoms or a fluorine-containing group comprising not more than 5 carbon atoms, of which each carbon atom bears at least one fluorine atom, and X.sup.- is an anion, provided that at least one of R.sup.1, R.sup.2 and R.sup.3 is a fluorine-containing group or, when none of R.sup.1, R.sup.2 and R.sup.3 is a fluorine-containing group, X.sup.- is an anion corresponding to the fluorine-containing group.

Fluorine-containing surface active composition

A fire extinguishing composition which comprises bromofluorohydrocarbon and/or bromochlorofluorohydrocarbon and a fluorine-containing high molecular compound.

Fire extinguishing composition

An aqueous fire-extinguishing composition comprising an aqueous solvent and a water-soluble high molecular compound which contains a fluoroalkyl group and a water-solubilizable group, has an average molecular weight of not less than 5,000 and fluorine content of not less than 10% by weight and is soluble in water in an amount of at least 0.1% by weight at 25.degree. C. and the surface tension of which is not more than 50 dyn/cm when measured on 0.1 to 5.0% by weight aqueous solution at 25.degree. C. has excellent fire-extinguishing performance on fire of cooking oil, particularly of frying oil.

Aqueous fire-extinguishing composition

A fluorine-containing vinyl compound of the formula: ##STR1## wherein Rf is fluoroalkyl of 4 to 20 carbon atoms, R.sub.1 is hydrogen or acyl of 1 to 3 carbon atoms, one of R.sub.2 and R.sub.3 is hydrogen and the other is methyl, R.sub.4 is hydrogen or methyl, A is a divalent organic group, and l, m and n are each an integer of 0 to 40 and satisfy 0&lt;l+m+n.ltoreq.40, which can modify surface properties of resins.

Fluorine-containing vinyl compound

A fluorine-containing aminocarboxylic acid compound of the formula: ##STR1## wherein Rf is a C.sub.3 -C.sub.21 fluorine-containing aliphatic group; R.sub.1 is a hydrogen atom or a C.sub.1 -C.sub.3 acyl group; R.sub.2 is a hydrogen atom or a C.sub.1 -C.sub.5 alkyl group; R.sub.3 is a substituted or unsubstituted C.sub.1 -C.sub.3 alkylene group; M is a cation; and n is an integer of 1 to 5 effectively lowers the surface tension of water and/or organic liquids and the interfacial tensions between them.

Fluorine-containing aminocarboxylic acid compounds

A fluorine-containing compound of the formula: ##STR1## wherein Rf is a C.sub.3 -C.sub.21 fluorine-containing group; R is a hydrogen atom or a C.sub.1 -C.sub.4 acyl group; Q is an aliphatic or aromatic hydrocarbon group having not more than twenty-one carbon atoms; and n is an integer of 1 to 10 lowers the surface tensions of water and/or organic liquids and the interfacial tensions between them.

Fluorine-containing compounds, and surface-tension lowering agent

A fluorine-containing surface active composition capable of reducing the surface tension of water and the interfacial tension between water and oil, which comprises (A) at least one cationic, non-ionic or ampho-ionic surfactant showing a surface tension of not more than 25 dyne/cm when determined on a 0.01 to 1.0% by weight aqueous solution and having at least one fluorine-containing group comprising not less than 6 carbon atoms, of which each carbon atom bears at least one fluorine atom, and (B) at least one of surfactants of the formula: ##STR1## wherein R is a substituted or unsubstituted aliphatic group of 4 to 20 carbon atoms or a substituted or unsubstituted aromatic hydrocarbon group of 6 to 20 carbon atoms, R.sup.1, R.sup.2 and R.sup.3 are each a hydrogen atom, a substituted or unsubstituted aliphatic group of 4 to 20 carbon atoms, a substituted or unsubstituted aromatic hydrocarbon group of 6 to 20 carbon atoms or a fluorine-containing group comprising not more than 5 carbon atoms, of which each carbon atom bears at least one fluorine atom, and X.sup.- is an anion, provided that at least one of R.sup.1, R.sup.2 and R.sup.3 is a fluorine-containing group or, when none of R.sup.1, R.sup.2 and R.sup.3 is fluorine-containing group, X.sup.- is an anion corresponding to the fluorine-containing group.

A volatile oil composition for use in metal working comprising a base oil and at least one halogenated hydrocarbon.

Volatile oil compositions for metal working

A water removing composition suitable for use in treating solid surfaces which comprises (a) a halogenated hydrocarbon solvent, (b) at least one member selected from the group consisting of amines having an oxyalkylene group, their salts with an organic acid of the formula, R.sup.1 COOH, HOOCR.sup.2 COOH, R.sup.1 SO.sub.3 H, R.sup.1 OPO.sub.3 H or (R.sup.1 O).sub.2 PO.sub.2 H, wherein R.sup.1 is an alkyl group having 1 to 20 carbon atoms which may be substituted with a hydroxyl group or an alkylphenyl group having 7 to 26 carbon atoms and R.sup.2 is an alkylene group having 1 to 10 carbon atoms, and quaternary ammonium salts composed of an ammonium having an oxyalkylene group and an acid radical of the above-mentioned organic acids, and (c) at least one substituted amine salt with dialkyl sulfosuccinate of the formula ##STR1## wherein R.sup.1 is as defined above, and R.sup.3, R.sup.4 and R.sup.5 are the same or different and each is hydrogen, an alkyl group having 1 to 20 carbon atoms which may be substituted with a hydroxyl group or a polyoxyalkylene group, provided that all R.sup.3, R.sup.4 and R.sup.5 are not hydrogen at the same time. The composition can quickly and completely remove water from solid surfaces and can quickly and completely separate the removed water from the solvent, and also can exhibit such excellent effects stably even in use for a long period of time.

Water removing composition

An azeotropic solvent composition comprising about 64.6 to 89.0% by weight of tetrachlorodifluoroethane, about 3.7 to 34.2% by weight of an alcohol having carbon atoms of 1 to 5 and about 1.2 to 7.3% by weight of nitroethane.

Azeotropic solvent composition

Use of a water-soluble high molecular compound which contains a fluoroalkyl group and a water-solubilizable group, having a molecular weight of not less than 5000 and a fluorine content of not less than 10% by weight and is soluble in water in an amount of at least 0.1% by weight at 25.degree. C. and of which the surface tension is not more than 50 dyn/cm when measured on 0.1 to 5.0% by weight aqueous solution at 25.degree. C., as an additive to a foam fire-extinguishing agent so as to improve and enhance the fire-extinguishing performances of the latter, particularly for the firing of polar organic solvents, is disclosed.

Foam fire-extinguishing composition and preparation and use thereof

A fluorine-containing betaine compound of the formula: ##STR1## wherein Rf is a polyfluoroalkyl group having 3 to 21 carbon atoms, A is a group of the formula: ##STR2## (wherein R.sup.4 is a hydrogen atom or an acyl group having 2 or 3 carbon atoms and p is an integer of 1 to 5), R.sup.1 is a hydrogen atom, an alkyl group having 1 to 20 carbon atoms or a group of the formula: Rf--A--, R.sup.2 and R.sup.3 are each a hydrogen atom, an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group having 1 to 3 carbon atoms, m is an integer of 2 to 6 and n is an integer of 1 to 4, which is useful as an additive to a foam fire-extinguishing composition for polar organic liquids.

Fluorine-containing betaine compounds, and production and use thereof

A compound of the formula: ##STR1## WHEREIN Q is a hydrogen atom, --CH.sub.2 CH(OH)CH.sub.2 Rf or a hydrocarbon residue having a valence corresponding to m which may contain one or more of --O--, --COO--, --NH--, --N.dbd. and ##STR2## IN THE CHAIN, R is a hydrogen atom, a hydrocarbon residue or --CH.sub.2 CH(OH)CH.sub.2 Rf and m is an integer of not less than 1, Rf being a perfluoroalkyl group, an .omega.-hydro-perfluoroalkyl group o an .differential.-chloro-erfluoroalkylgroup having 4 to 20 carbon atoms, which is useful as an agent for rendering fibrous materials oleophobic and anti-soiling and may be prepared by reacting a perfluoroalkylpropylene oxide of the formula: ##STR3## wherein Rf is the same as defined above, with a reagent of the formula:

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Kyoto, Japan

Chiaki Maeda