Teijin Limited

Teitin Limited

Stamlcarbon B.v.

Teijim Limited

Teyin Limited

Hiroo Inata

Shunichi Matsumura

Shoji Kawase

Makoto Ogasawara

Takeo Shima

Hiroyuki Umetani

Tsuto Morinaga

Shigeyoshi Hara

Takatoshi Kuratsuji

Takanori Urasaki

Seiji Itoh

Masuhiro Okada

Hiroshi Mera

Akihiro Norike

Yasuji Hirabayashi

Takashi Yoshitomi

Tetsuo Ichihashi

Jiro Sadanobu

Katsuhiko Hironaka

Ryoji Tsukamoto

Kiyoshi Sugie

Nobuaki Kido

Akihiro Horike

Toshio Nishihara

Shizuka Kurisu

Kenji Nakatani

Satoshi Igarashi

Akio Nakaishi

Toshio Hatayama

Akira Kudo

Masaaki Tsukioka

Kazuyoshi Suzuki

Nobuya Okumura

Seiichi Yamashiro

Tamio Arakawa

Takayuki Kobayashi

Tugusi Yoshida

Horinori Matsuda

Masao Yoshimura

Film from polycarbonate, polyester to be laminated on metal

A liquid crystal film comprising a light-transmitting resin matrix and liquid crystal droplets dispersed therein, characterized in that

Liquid crystal film

Semicrystalline aromatic polyester, process for its production and resin

A poly(arylene ether ketone) of this invention principally comprises recurring units represented by formula ##STR1## wherein Ar.sup.1 denotes a 1,5-naphthalene ring, a 2,6-naphthalene ring, a 2,7-naphthalene ring or a combination of them, and Ar.sup.2 denotes p-phenylene, p,p'-biphenylene, a 1,5-naphthalene ring, a 2,6-naphthalene ring, a 2,7-naphthalene ring or a combination of them. The poly(arylene ether ketone) is high in second-order transition temperature and excellent in solvent resistance and moldability, and can be molded into heat-resistant fibers and electric insulating films.

Poly(arylene ether ketone), process for producing same and its use

A process for the production of a fiber-reinforced composite material, which comprises the steps of

Fiber-reinforced composite material and process for the production

Crystalline wholly aromatic polyester, process for its production, resin

A novel poly(N-cyclic iminoether) compound and a process for production thereof which comprises (a) reacting a polyisocyanate compound with a haloalkyleneamine or (b) reacting a polyamine with an alkyl isocyanate, and then (c) cyclizing the resulting polyurea compound. Several thermosetting compositions containing the novel poly(N-cyclic iminoether) and thermoset resins therefrom are also proposed.

Poly(N-cyclic iminoether), process for production thereof, thermosetting

The arylene sulfide ketone copolymers according to the present invention have mainly recurring units which are represented by formulas (I) and (II), ##STR1## The arylene sulfide ketone copolymers have a high glass transition point and excellent moldability and can be produced with industrial advantage.

Arylene sulfide ketone copolymer and preparation process thereof

A process for producing a thermoset resin, which comprises reacting (A) a poly(cyclic iminoether), (B) an ethylenically unsaturated compound having a functional group reactive with the poly(cyclic iminoether), and (C) an ethylenically unsaturated monomer having no functional group reactive with the poly(cyclic iminoether), in the presence of an acid catalyst and a radical catalyst. Instead of the compound (B), there may be used the compound (D), i.e. a compound having at least two equivalents of at least one group selected from the class consisting of carboxyl, hydroxyl, amino, epoxy and carboxylic anhydride groups in the molecule and being free from an ethylenically unsaturated bond. The present application provides also a thermosetting composition and a thermoset resin.

Process for producing thermoset resin

The invention relates to a resin composition comprising 100 parts by weight polyamide 4.6 resin and 2 to 200 parts by weight of a polyamide amide resin. The composition has improved HDT in wet state and improved impact resistance in dry state.

Resin composition

A polyamideimide having an inherent viscosity of above 0.48 which comprises a unit of the following formula (II) ##STR1## and a unit of the following formula (IV) ##STR2## as main units forming the molecular chains of the polyamideimide, and an intimate mixture of the polyamideimide and a plasticising material for the polyamideimide.

Polyamideimides containing 3,4'-diamino-diphenylether as diamine

An electrochromic resin composition comprising (A) 100 parts by weight of a network comprising a crosslinked polymer containing 4,4'-diaminodiphenylmethane units in a form in which the amino groups in the formula are quaternized, and (B) 5 to 150 parts by weight of an electrolytic material uniformly dispersed in the network (A). The crosslinked polymer containing the units with the amino groups therein being in the quaternized state is useful as an electrochromic or photochromic material.

Reversibly color-changeable materials

A process for producing a thermoset resin, which comprises reacting (A) an organic compound containing at least two groups selected from the class consisting of alcoholic hydroxyl groups, aromatic amino groups and aromatic aminomethyl groups, and (B) a poly(cyclic iminoether) in the presence of (C) a compound acting as an acid catalyst, at an elevated temperature.

Process for producing a thermoset resin

A polyamideimide having an inherent viscosity of above 0.48 which comprises a unit of the following formula (II) ##STR1## and a unit of the following formula (IV) ##STR2## as main units forming the molecular chains of the polyamideimide, and an intimate mixture of the polyamideimide and a plasticizing material for the polyamideimide.

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Iwakuni, Japan

Hiroo Inata