Daikin Industries, Ltd.

Daikin Kogyo Co., Ltd.

Sueyoshi Ishikawa

Takashi Tohzuka

Iwao Hisamoto

Masaru Hirai

Ikuo Yamamoto

Yoshiaki Kataoka

Koji Fujiwara

Yukio Omure

Tatsuya Ohtsuka

Yoshio Amimoto

Yoshitaka Honda

Yukio Ohmure

Katsuyoshi Kubo

Norio Kataoka

An adduct of an unsaturated alcohol and an iodinated fluoroalkane is produced at a high conversion and high yield by reacting the unsaturated alcohol and the iodinated fluoroalkane in the presence of a radical catalyst and at least one additive selected from the group consisting of water, basic compounds, metal oxides, silver compounds and epoxy compounds.

Process for preparing adduct of unsaturated alcohol and iodinated

A fluorine-containing polyether of the formula:

Fluorine-containing polyether and nonionic surfactant comprising the same

A fluorine-containing phosphate ester of the formula: ##STR1## wherein R.sub.f is a group containing a perfluoroalkyl polyether group of the formula:

Fluorine-containing phosphate ester, its preparation and its use for

A fluorine-containing grease comprising polytetrafluoroethylene and a perfluoroalkyl polyether which is prepared by polymerizing tetrafluoroethylene in the perfluoroalkyl polyether has good homogeneity and lubricity.

Fluorine-containing grease and its preparation

An antistatic agent comprising a fluorine-containing anionic surfactant and a nonionic surfactant in a weight ratio of 95:5 to 5:95 or an anionic surfactant and a fluorine-containing surfactant in a weight ratio of 95:5 to 5:95, which, even in a small amount, can impart an antistatic effect to a substrate.

Antistatic agent: mixture of anionic surfactant and a

A fluorine-containing silane compound of the formula: ##STR1## wherein R.sub.f is a fluorine-containing C.sub.4 --C.sub.18 aliphatic group, R.sup.1 is hydrogen or a C.sub.1 -C.sub.4 alkyl group, A is a straight or branched C.sub.1 -C.sub.12 alkylene group or a group of the formula: ##STR2## in which R.sup.2 is hydrogen or a C.sub.1 -C.sub.3 acyl group, R.sup.3 is a C.sub.1 -C.sub.6 acyl group, A' is a C.sub.2 -C.sub.8 alkylene group, A' is a C.sub.1 -C.sub.4 alkylene group, and Q is --CO-- or --SO.sub.2 --, B is a group of the formula: ##STR3## in which R.sup.4 and R.sup.5 are each a straight or branched C.sub.2 or C.sub.3 alkylene group, and p is 2 or 3, X is chlorine or a C.sub.1 -C.sub.3 alkoxy group, X' is chlorine or a C.sub.1 -C.sub.3 alkyl or alkoxy group, a phenyl group or a glycidyl group, m is 0 or 1, and n is an integer of 0 to 40, which modifies surface characteristics of a solid substrate.

Fluorine-containing silane compounds

A halogen-containing polyether which comprises a repeating unit structure of the formula:

Halogen-containing polyether and its use

Soil release composition and use thereof

A cleaning composition containing 1,1,2,2-tetrachloro-1,2-difluoroethane, 1,1,2-trichloro-1,2,2-trifluoroethane and at least one other organic solvent having a melting point of not more than 15.degree. C. and a boiling point of 40.degree. to 150.degree. C. and capable of forming an azeotrope with at least one of said 1,1,2,2-tetrachloro-1,2-difluoroethane and 1,1,2-trichloro-1,2,2-trifluoroethane.

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Osaka, Japan

Sueyoshi Ishikawa