Canon Kabushiki Kaisha

Polyplastics Co., Ltd.

Fuji Jukogyo Kabushiki Kaisha

Shigeru Nezu

Masato Suzuki

Osamu Asakura

Toshio Nakane

Tsutomu Yoshihara

Akihide Shimoda

Tsuyoshi Minamisawa

Mineo Ohtake

Seiichi Matsuoka

Sakae Uematsu

Masumi Tanikita

Eitaro Ikegami

Katsunori Endo

Akehide Shimoda

Seiichi c/o Fuji Jukogyo KK Matsuoka

The present invention provides a highly heat-resistant multi-layer molded article having excellent adhesion between layers and which can be inexpensively produced and easily recycled. The multi-layer molded article comprises an innermost layer including a first polyarylene sulfide-derived resin composition having 95% to 91% by mass of a polyarylene sulfide-derived resin and 5% to 9% by mass of an olefinic (olefine-derived) elastomer, and an outer layer disposed on an outer-side of the innermost layer, including a second polyarylene sulfide-derived resin composition having 5 to 35 parts by mass of reinforced fibers and 100 parts by mass of a third polyarylene sulfide-derived resin composition having 95% to 80% by mass of a polyarylene sulfide-derived resin and 5% to 20% by mass of an olefinic elastomer.

Multi-layer cylindrical molded article

A resin composition formed by mixing 99 to 70 weight % of specific whole aromatic polyesteramide liquid crystal resin (A) with 1 to 30 weight % of epoxy modified polyolefin-base resin (B) and by melting and kneading both of the resins, wherein the resin composition having a melt viscosity of 60 to 4000 Pa&#xb7;s at a shear rate of 1000/second at a temperature which is 20&#xb0; C. higher than the melting point and having a melt tension of 20 mN or more at a take-over speed of 14.8 m/minute, is melt within a temperature range of a melting point to the melting point +40&#xb0; C., a parison (P) is formed by extruding it with an extrusion speed equal to or higher than 0.3 kg/minute and lower than 5 kg/minute, a pair of moldings placed so as to sandwich the parison (P) are closed at a predetermined mold closing pressure, and air is blown into the parison (P).

Method for manufacturing pressure-resistant container liner and liquid crystal resin liner

A molding having a high transparency and a surface hardness of B or higher in terms of pencil hardness, is provided by blow molding process employing no orientation step. A high-hardness transparent polyester molding, obtained by quenching and carrying out non-orientation blow molding of a polyester resin or a composition thereof in a molten state, and subsequent crystallization thereof in a specific temperature range.

High-hardness transparent polyester moldings

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A polyester composition which comprises a blend of polyester being capable of forming an anisotropic phase in the molten state and being melt-processable, a filler and a polyamide and is improved in mechanical strength and thermal stability properties. It is easy to blend the filler with the polyester, if the filler is treated with the polyamide, prior to the blending step.

Polyester resin composition

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Growing community of inventors

Tokyo, Japan

Shigeru Nezu