Daikin Industries, Ltd.

Yoshio Negishi

Yohnosuke Ohsaka

Tetsuo Shimizu

Yoshio Amimoto

Takayuki Araki

Masayoshi Tatemoto

Takuya Arase

Takashi Tohzuka

Shoji Takaki

Satoru Kohno

Keizo Desaki

Sadaatsu Yamaguchi

Yuji Tanaka

Hitoharu Hachisuka

A fluorovinyl ether of the formula: R,CO(OCH,CF,CO),&mdash;(OCH,CF,CF,),&lsqb;OCF(CF,)CF,&rsqb;,OCF&boxH;CF,wherein R,is an C,-C,aliphatic or halogenated C,-C,aliphatic group or an aromatic group which may optionally have at least one substituent, k is an integer of at least 0, m is an integer of at least 1, and n is an integer of at least 0.

Fluorovinyl ether having terminal oxygen-containing functional group and process for preparing the same

Novel silicon-containing organic fluoropolymers which are appliable to materials over a wide range and which have excellent antifouling property. The silicon-containing organic fluoropolymer of the invention is represented by the general formula and has a number average molecular weight of from 5&times;10,to 1&times;10,:

Silicon-containing organic fluoropolymers and use of the same

A novel amine amide of the formula: ##STR1## wherein the various substituents are defined hereinbelow. The compounds are useful as thickening agents, disoxidation catalysts and monomers.

Fluorine-containing amine amides

2,2,3-trifluoropropionyl fluoride is prepared by opening the ring of tetrafluorooxetane in the presence of a catalyst. Analogously, a novel 2,2-difluoropropionic acid derivative of the formula:

2,2-difluoropropionic acid derivatives

A novel polyaminoamide of the formula: ##STR1## wherein R.sub.m and R.sub.m ' are, the same or different, a hydrogen atom or a monovalent organic group and A.sub.m is a divalent organic group, or R.sub.m and/or R.sub.m ' form a cyclic group together with A.sub.m and the nitrogen atom to which they are bonded. m changes from 1 to p (where p is a positive integer) and n.sub.m is a positive integer, which can be prepared by reacting a 2,2,3,3-tetrafluorooxetane of the formula: ##STR2## with m kind(s) of diamine(s) of the formula: ##STR3## wherein m is the same as defined above.

Novel fluorine-containing polyaminoamide and preparation thereof from

Growing community of inventors

Settsu, Japan

Yoshio Negishi