Toyo Seikan Group Holdings, Ltd.

Toyo Seikan Kaisha, Ltd.

Toyo Seikan Co., Ltd.

Toshiki Yamada

Atsushi Kikuchi

Yoshiki Sawa

Yukiko Hirayama

Seishi Yoshikawa

Yoshihiro Kitano

Ikuo Komatsu

Tsutaki Katayama

Ken Takenouchi

Go Saito

Yuuki Kinoshita

Hideaki Nagahama

Takayuki Ishihara

Kenji Ichikawa

Daisuke Kawamata

Takahiro Yasuumi

Koki Shibata

Yuuki Tashiro

Azusa Otsuki

Misa Sasai

Misa Hanita

Koichi Ishizaka

Kanna Muramatsu

Yuji Ueda

Kouki Shibata

Tashiro Yuuki

A gas-barrier composition including nanocellulose containing at least one of a sulfuric acid group, a sulfo group, or a phosphoric acid group; and a reactive crosslinking agent.

Gas-barrier composition

Provided is a laminate that is excellent in heat sealing properties and is suitable for reuse. The laminate includes: a first layer having a melting point of Tmand containing a first polyethylene alone as a resin; and a second layer having a melting point of Tmand containing a second polyethylene alone as a resin, where: the first layer and the second layer are disposed respectively as outermost surfaces of the laminate; and Tm−Tm≥24.0° C. is satisfied.

Laminate, packaging bag, and method for manufacturing same

Nanocellulose containing a sulfuric acid group and/or a sulfo group, each of which is derived from a sulfuric acid treatment, and an anionic functional group derived from a hydrophilization treatment. The total amount of the sulfuric acid group and/or the sulfo group and the anionic functional group is more than 0.1 mmol/g and not more than 4.0 mmol/g. Also disclosed is a product including a mixture containing the nanocellulose and a method for producing the nanocellulose.

Nanocellulose and method for producing the same

A multilayer container including: an outermost layer (1) containing a propylene-based polymer A containing homopolypropylene as a main component having a melt flow rate in a range of 2.0 to 10.0 g/10 min; an inner layer (2) containing 50 to 99% by weight of a propylene-based polymer B containing homopolypropylene as a main component having a melt flow rate of not more than 5.0 g/10 min and an isotactic index of not less than 93%, and 1 to 50% by weight of an ethylene-&#x3b1;-olefin copolymer C; and a barrier layer (4) occupying 5 to 20% by weight of the whole container. The ratio (L/D) of container height (L) to diameter (D) is not less than 0.5, and a volume shrinkage based on volume measured before and after heat sterilization at 121&#xb0; C. for 30 minutes is not more than 5%.

Heat-resistant multilayer container and method for producing the same

An oxygen-absorbing resin composition containing an ethylene terephthalate type polyester resin and an organic oxygen absorber and, further, containing cobalt in an amount of 5 to 50 ppm and titanium in an amount of 1 to 15 ppm calculated as elements.

Oxygen-absorbing resin composition containing organic oxygen absorber

A polylactic acid composition of a dispersion structure using, as a matrix, a lowly crystalline or amorphous polylactic acid having a crystallinity of not more than 40%, the matrix containing, as a pulverization promotor dispersed therein, an organically modified polysaccharide or a lamellar silicate that is swollen or that is treated to be swollen. The polylactic acid composition has excellent hydrolysable capability and property of being mechanically pulverized.

Polylactic acid composition

A powder comprising hydrolyzable resin particle, containing particles which do not pass through a sieve having an opening size of 500 &#x3bc;m in an amount of 50 mass % or more and having a repose angle of 51&#xb0; or more. This powder is preferably used as an additive for drilling to enhance the drilling properties of a drilling fluid and improve the retentivity of a fracture extending from a winze.

Powder comprising hydrolyzable resin particles

An oxygen-absorbing resin composition containing a base resin having a thermoplastic resin; and an oxygen-absorbing component having at least the one selected from the group consisting of an ester, an amide, an imide or a dicarboxylic acid derived from an acid anhydride represented by the following formula (1), 

Oxygen-absorbing resin composition

An oxygen-absorbing resin composition including a base resin (A) which is a thermoplastic resin, an oxygen-absorbing component (B) which is a compound having an unsaturated alicyclic structure, and an oxidation promotion component (C) for promoting the oxidation of the oxygen-absorbing component (B); wherein the oxygen-absorbing component (B) is an imide compound having a molecular weight of not more than 2,000 and obtained by heat-treating an amide having been obtained by reacting an acid anhydride represented by the following formula (1): wherein the ring X is an alicyclic ring having an unsaturated bond, and Y is an alkyl group, with an aromatic amine, and wherein the oxidation promotion component (C) is a compound having a benzyl hydrogen.

To provide an oxygen-absorbing polyester resin composition which exhibits excellent oxygen-absorbing capability even in the absence of transition metal catalyst without affected by the glass transition temperature of a polyester resin that is contained as a base resin. The oxygen-absorbing polyester resin composition including a base resin (A) which is a polyester resin, an oxygen-absorbing component (B) which is a compound having an unsaturated alicyclic structure, and an oxidation promotion component (C) for promoting the oxidation of the oxygen-absorbing component (B), said oxidation promotion component (C) being a compound having a benzyl hydrogen.

In a method for decorating a plastic package, on at least a part of a surface of the plastic package, portions which are different in optical characteristics from the surface are periodically arranged to decorate the surface.

Method for decorating plastic package

A multi-layer polyester container comprising inner and outer layers of a polyester resin and at least one intermediate layer of a functional resin or a functional resin composition, wherein a difference of tan &#x3b4; of the inner polyester layer at 80&#xb0; C. and 60&#xb0; C. is 0.035 or less in the measurement of the dynamic viscoelasticity (DMS) thereof at 0.5 Hz. Even when the functional resin or the functional resin composition having a large draw stress is used as an intermediate layer, therefore, excellent transparency is obtained while effectively exhibiting the function such as barrier property possessed by the functional resin or the functional resin composition.

Multi-layer polyester container and method of producing the same

There is here disclosed a plastic package () which has a thin-film layered structure () constituted of substances having different refractive indices and which is colored by an interference effect due to the thin-film layered structure (). The plastic package is characterized in that, on a part of the surface of the plastic package, portions which are different in optical characteristics from the surface are periodically arranged.

Decorated plastic package

A biaxially stretch blow-molded container having a layer of a trimethylene naphthalate type polyester resin, wherein the layer of the trimethylene naphthalate type polyester resin in at least the container body portion satisfies either one or both of:

Biaxially stretch blow-molded container and process for producing the same

A multi-layer structure for packaging formed by at least an inner layer, an outer layer and an intermediate layer, the intermediate layer having an islands-in-a-sea structure comprising a resin A constituting sea portions and a functional resin B constituting island portions, the sea portions occupying not more than 80% of the area of the intermediate layer in cross section, and the inner layer and the outer layer being resins having adhesiveness to said resin A. The adhesion among the layers is improved without providing any particular adhesive layers among the intermediate layer having a function such as gas barrier property and the inner and outer layers, and, besides, transparency is improved.

Growing community of inventors

Yokohama, Japan

Toshiki Yamada