Nippon Oil Fats Co., Ltd.

Nof Corporation

Hitachi Chemical Company, Ltd.

Motohiro Mitani

Hideo Sawada

Masaharu Nakayama

Takeo Matsumoto

Nobuyuki Hayashi

Yoshii Morishita

Mitsuo Katayose

Tadashi Okamoto

Satoshi Yamada

Keiji Komoto

Yasumi Koinuma

Shuji Ichikawa

Kenshiro Shuto

Shujiro Sakaki

Masahiro Sano

Masato Okajima

Yutaka Enokida

Yuko Yokoyama

A polymerized product of protein, comprising a polymer of one or more protein-containing monomers represented by the general formula

Polymerized product of protein and process for producing it

A derivative of naphthalocyanine containing a perfluoroalkyl group and having a particular structure for ensuring excellent weather-proof properties, extremely high solubility in various solvents and capability of forming a film, and an optical recording medium prepared by using the derivative and capable of recording while using a focused beam of a semiconductor laser or the like. The derivative of naphthalocyanine containing a perfluoroalkyl group may be prepared by reacting a perfluoroalkanoyl peroxide having a particular structure with a naphthalocyanine.

Derivative of naphthalocyanine containing perfluoroalkyl group, process

Trioxane derivatives represented by the formula (I): ##STR1## wherein A and RA are the same with or different from each other, and represent a substituted or unsubstituted aliphatic hydrocarbon group, respectively, or represent R.sub.1 --X.sub.1 --or R.sub.2 --X.sub.2 --in which X.sub.1 and X.sub.2 represent independently a divalent organic residue, and R.sub.1 and R.sub.2 represent independently carboxyl group, amino group, hydroxyl group or mercapto group, and Z represents hydrogen atom, halogen atom, methyl group, ethyl group or propyl group, or carboxyl, amino, hydroxyl or mercapto group through a divalent organic residue, and process for the preparation thereof, as well as method for chemiluminescence comprising mixing the trioxane derivatives and a base.

Trioxane derivatives, and method for the chemiluminescence

A fluoroalkyl group-containing organosilicon oligomer is represented by the following formula (I) or (IV) of: ##STR1## wherein R, R.sub.1, R.sub.2, X and Y each are the same or different groups and stand for an alkyl, alkoxy or alkylcarbonyloxy group having 1 to 10 carbon atoms, n represents an integer of 1 to 3, m.sub.1 and m.sub.3 represent an integer of 1 to 10, m.sub.2 represents an integer of 0 to 10, m.sub.4 represents an integer of 1 to 5 and R.sub.F represents ##STR2## where A stands for a hydrogen atom, a fluorine atom or a chlorine atom, n.sub.1 represents an integer of 1 to 10 and n.sub.2 represents an integer of 0 to 8. A surface treating agent contains the oligomer defined by the formula (I) or (IV).

Fluoroalkyl group-containing organosilicon oligomer, method for

A polymer comprising fluoroalkyl group has a structure in which one or two parts of the fluoroalkyl group at the one or both ends of the molecule are linked to a part of alkylene groups or alkylene groups substituted with halogen, a part of alkylene group substituted with functional groups, such as halogen, cyano group, alkylsulfonic acid group, amidoalkylsulfonic acid group, carboxylic acid group, carboxyl group, oxycarbonyl group, ether group, epoxy group and the like, and/or a part of silicone group. A method of preparation of the polymer comprising fluoroalkyl group contains reaction of a fluoroalkanoyl peroxide with a monomer comprising the functional group or a monomer comprising silicone group. A surface active agent comprises fluoroalkyl group and caroxylic acid salt group. A surface treatment agent comprises the polymer comprising fluoroalkyl group, hydrolysis products thereof, hydrolytic condensation products thereof, and mixtures thereof. A coating composition comprises the polymer comprising fluoroalkyl group. The polymer comprising fluoroalkyl group has excellent water repellency, oil repellency and weatherability because the fluoroalkyl group is introduced into the molecule through carbon-carbon linkage.

Polymer comprising fluoroalkl group, a method of preparation thereof, a

A fluoroalkyl group-containing organosilicon oligomer is represented by the following formula (I) or (IV) of: ##STR1## wherein R, R.sub.1, R.sub.2, X and Y each are the same or different groups and stand for an alkyl, alkoxy or alkylcarbonyloxy group having 1 to 10 carbon atoms, n represents an integer of 1 to 3, m.sub.1 and m.sub.3 represent an integer of 1 to 10, m.sub.2 represents an integer of 0 to 10, m.sub.4 represents an integer of 1 to 5 and R.sub.F represents --CF.sub.2).sub.n.sbsb.1 A or ##STR2## where A stands for a hydrogen atom, a fluorine atom or a chlorine atom, n.sub.1 represents an integer of 1 to 10 and n.sub.2 represents an integer of 0 to 8. A surface treating agent contains the oligomer defined by the formula (I) or (IV).

Fluoralykyl group-containing organosilicon oligomer, method for

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Tsukuba, Japan

Motohiro Mitani