Fujifilm Corporation

Fuji Photo Film Company, Limited

Takayasu Yasuda

Takashi Sato

Masaki Okazaki

Masato Nagura

Nobutaka Fukagawa

Aiko Yoshida

Koji Wariishi

Shinya Watanabe

Takahiro Ohno

Aiko Yamamoto

Yoshio Ishii

Naoyuki Nishikawa

Hiroki Sasaki

Michio Ono

Hajime Nakagawa

Ryoichi Nemori

Tetsuo Kawano

Takeshi Senga

Yuuichi Okamoto

Chang-yi Qian

Provide is a cellulose acylate film, of which the environmental humidity-dependent retardation change is small and which, when stuck to a polarizer and used in high-temperature and high-humidity environments, is effective for preventing the polarizing element from being deteriorated. A cellulose acylate film, which contains a hydrogen-bonding compound satisfying the following requirements (A) to (C), and at least one hydrophobizing agent selected from a polyalcohol ester-base hydrophobizing agent, a polycondensate ester-base hydrophobizing agent and a carbohydrate derivative-base hydrophobizing agent: (A) the compound has both a hydrogen-bonding donor part and a hydrogen-bonding acceptor part in one molecule, (B) the value computed by dividing the molecular weight of the compound by the total number of the hydrogen-bonding donor number and the hydrogen-bonding acceptor number in the compound is from 30 to 65, and (C) the total number of the aromatic ring structures in the compound is from 1 to 3.

Cellulose acylate film, retardation film, polarizer and liquid-crystal display device

A protective film of polarizer comprising an organic acid that has a solubility in water at 25&#xb0; C. of at most 0.1% by mass and has an acid dissociation constant in a mixed solvent of tetrahydrofuran/water=6/4 by volume at 25&#xb0; C. of from 2 to 7 can improve polarizer durability.

Protective film of polarizer, polarizer and liquid crystal display device

A humidity dependence improver for polymer film, comprising a compound of the following formula (1) or (2): wherein Ra, Rb and Rc represent an alkyl group, an alkenyl group, an alkynyl group, an aryl group or a heterocyclic group; Xto Xrepresent a single bond or a divalent linking group; Rto Rrepresent a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group or a heterocyclic group.

Humidity dependence improver for polymer film, polymer film, protective film for polarizer, retardation film, polarizer, and liquid crystal display device

A cellulose acylate film comprising a cellulose acylate resin satisfying the formulae (i)-(iii) and a compound capable of forming a hydrogen bond satisfying conditions (A)-(C):

Cellulose acylate film, retardation film, polarizer and liquid crystal display device

It is disclosed a polymerizable composition for producing an optical member for 850 nm wavelength comprising: a polymerizable monomer composition and a compound, having a different refractive index from that of the polymerizable monomer composition, whose structure has a benzene ring substituted by a substituent having a Hammett value of not greater than 0.04 or by plural substituents having an average value of Hammett values thereof of not greater than 0.04. It is also disclosed a polymerizable composition for producing an optical member comprising a polymerizable monomer composition comprising at least one selected from the group consisting of Calicyclic (meth)acrylates and a compound, having a different refractive index from that of the polymerizable monomer composition and having a solubility parameter of not greater than 10.9, whose structure has a benzene ring substituted by the substituent or the substituents defined above.

Optical members and compositions for producing them

The present invention provides a photothermographic material having an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent and a binder, on one surface of a support, and having at least one back layer and a back surface protective layer, on the other surface of the support, wherein a binder of the back surface protective layer contains a water-soluble polymer and a latex polymer having a glass transition temperature of &#x2212;30&#xb0; C. to 40&#xb0; C.; and an image forming method using the same. The photothermographic material and the image forming method of the invention provide excellent coating property and excellent transportability during thermal development in a thermal developing apparatus.

Photothermographic material and image forming method

An electrolyte composition that contains a molten salt having a specific structure, a silicon polymer, and a salt of a metal ion of Group 1 or 2 of the Periodic Table; and a non-aqueous electrolyte secondary cell containing the electrolyte composition. Also disclosed are an electrolyte composition that contains a polymer compound having repetitive units of a structure of the following formula (1), and a salt of a metal ion of Group 1 or 2 of the Periodic Table; a method for producing the electrolyte composition; and a non-aqueous electrolyte secondary cell containing the electrolyte composition.

Electrolyte composition, method for producing the same and non-aqueous electrolyte secondary cell

An electrolyte composition which is excellent in durability and charge transport performance, and an electrochemical battery in which deterioration of the charge transport performance with time is minimized, the electrolyte composition including therein a salt which comprises an anion which contains a mesogen group, and an alkyl or alkenyl group having 6 carbons or more in the structure of the anion, and an organic or inorganic cation.

Growing community of inventors

Kanagawa, Japan

Takayasu Yasuda