Kuraray Co., Ltd.

Kurray Co., Ltd.

Nestec S.a.

Masakazu Nakaya

Shinji Tai

Ryoichi Sasaki

Hiroyuki Shimo

Yasutaka Inubushi

Mizuho Maeda

Hiroyuki Ogi

Masahiko Ota

Yasushi Morihara

Kentaro Yoshida

Kaoru Ikeda

Hideo Takamatsu

Mamoru Omoda

Kazuhiro Kurosaki

Yuji Shimizu

Tomoyuki Watanabe

Toshiaki Sato

Takashi Yamashita

Tatsuya Oshita

Manabu Shibata

Yukihiro Urushidani

Noboru Higashida

Jun Takai

Yoshiki Mukoo

Kikuo Arimoto

Mizuko Oshita

Provided are: a gas barrier resin composition having sufficient long-run workability and superior gas barrier properties which compare favorably to those of fossil fuel-derived resins, while containing a biomass-derived raw material; a multilayer structure in which the gas barrier resin is used; and a method for producing such a gas barrier resin composition. The gas barrier resin composition contains at least one type of saponified ethylene-vinyl ester copolymer, wherein of ethylene and a vinyl ester, which are raw materials of the at least one type of saponified ethylene-vinyl ester copolymer, a part is derived from biomass, and a remainder is derived from a fossil fuel.

Gas barrier resin composition, method for producing gas barrier resin composition, and molded product

The present invention relates to a multilayer structure including a base (X) and a layer (Y), wherein

Multilayer structure and method for producing same, coating liquid, packaging material, and protective sheet for electronic devices

The present invention relates to a multilayer structure including a base (X), a layer (Y), and a layer (Z), wherein the layer (Y) contains an aluminum-containing compound (A), and the layer (Z) contains an organic phosphorus compound (BO) and a polymer (F) having an ether bond and having no glycosidic bond.

Multilayer structure, method for producing same, packaging material and product including same, and protective sheet for electronic device

The present invention relates to a fluorescent quantum dot-containing electronic device including a protective sheet. The protective sheet includes a multilayer structure (W) including a base (X) and a layer (Y) stacked on the base (X), the layer (Y) contains a reaction product (D) of an aluminum-containing compound (A) and a phosphorus compound (B), and the reaction product (D) has an average particle diameter of 5 to 50 nm.

Electronic device and method for producing same

The present invention provides a novel multilayer structure including a layered product capable of maintaining high performance even after being subjected to extrusion coating lamination. The present invention relates to a multilayer structure including a layered product and a layer (H) stacked on the layered product. The layered product includes a base (X), a layer (Z) containing an aluminum atom, and a layer (Y) containing a compound (A) containing a phosphorus atom. The layer (H) contains a thermoplastic resin (U), and the thermoplastic resin (U) is a polymer containing an &#x3b1;-olefin unit.

Multilayer structure, packaging material including the same, and method for producing said multilayer structure

The present invention provides a multilayer label having good gas barrier properties and is capable of maintaining the gas barrier properties at a high level even when exposed to physical stresses such as deformation and impart. The present invention relates to a multilayer label for in-mold labeling. This multilayer label includes a base (X), a layer (Z) containing an aluminum atom, and a layer (Y) containing a polymer (A) having a functional group containing a phosphorus atom.

Multilayer label, container including the same, and method for producing container

Provided are a novel multilayer structure that can be used to protect a device and a device using the multilayer structure. The disclosed multilayer structure is a multilayer structure including a substrate and a barrier layer stacked on the substrate. The 3% strain tension of the substrate in at least one direction is at least 2000 N/m. The barrier layer contains a reaction product (R). The reaction product (R) is a reaction product formed by a reaction at least between a metal oxide (A) and a phosphorus compound (B). In an infrared absorption spectrum of the barrier layer in a range of 800 to 1400 cm, a wavenumber (n) at which maximum infrared absorption occurs is in a range of 1080 to 1130 cm. A metal atom constituting the metal oxide (A) is essentially an aluminum atom.

Multilayer structure, device using the same, method for producing the multilayer structure, and method for producing the device

A multilayer structure disclosed is a multilayer structure including at least one base (X), at least one layer (Y), and at least one layer (Z). The layer (Y) contains an aluminum atom. The layer (Z) contains a polymer (E) having a plurality of phosphorus atoms. The polymer (E) is a polymer of at least one monomer including a vinylphosphonic acid compound. The multilayer structure includes at least one pair of the layer (Y) and the layer (Z) that are contiguously stacked. The layer (Z) is formed by applying a coating liquid (V) which is a solution of the polymer (E) having a plurality of phosphorus atoms. The multilayer structure disclosed is excellent in gas barrier properties, and can maintain the gas barrier properties at a high level even when subjected to physical stresses such as deformation and impact.

Multilayer structure and method for producing same

A product provided includes a packaging material, and the packaging material includes a multilayer structure. The multilayer structure includes at least one base (X), at least one layer (Y), and at least one layer (Z). The layer (Y) contains an aluminum atom. The layer (Z) contains a polymer (E) containing a monomer unit having a phosphorus atom. The multilayer structure includes at least one pair of the layer (Y) and the layer (Z) that are contiguously stacked. This product is excellent in gas barrier properties, and adapted to maintain the gas barrier properties at a high level even when subjected to physical stresses such as deformation and impact.

Product comprising packaging material comprising multilayer structure

The present invention provides a novel antistatic sheet having high gas barrier performance, high water vapor barrier performance, and antistatic performance, and a packaging material and an electronic device that include the antistatic sheet. The present invention relates to an antistatic sheet including a multilayer structure including a base (X), a layer (Z) containing an aluminum atom, and a layer (Y). The layer (Y) contains a polymer (A) having a vinylphosphonic acid unit, and the layer (Y) has a surface electrical resistivity of 1.0&#xd7;10&#x3a9;/sq or more and 4.0&#xd7;10&#x3a9;/sq or less.

Antistatic sheet, and packaging material and electronic device including the same

The invention provides novel processes for producing in-mold labeled containers and the containers produced using such processes. The processes involve setting a multilayered label having an oxygen barrier layer into a mold and injecting a melted resin suitable for forming a container into the mold. The process forms a container with an oxygen barrier layer. In preferred embodiments, the multilayered label has at least an oxygen absorbing resin layer containing ethylene-vinyl alcohol copolymer and an oxygen absorbent and the container is retortable.

Labeled containers and processes for producing

A shaped article including a modified ethylene-vinyl alcohol copolymer (C), wherein the modified ethylene-vinyl alcohol copolymer (C) is a product obtained by modifying an unmodified ethylene-vinyl alcohol copolymer (A) with an epoxy compound (B) having a double bond and has a degree of modification with the epoxy compound (B) of 0.1 to 10 mol % based on the monomer units of the ethylene-vinyl alcohol copolymer (A), and at least a part of the modified ethylene-vinyl alcohol copolymer (C) is crosslinked, and the gel fraction of the shaped article is 3% by weight or more. Thereby, a shaped article which contains almost no harmful crosslinking agent and which is excellent in hot water resistance, heat resistance and a gas barrier property is provided.

Molded article and method for production thereof

The present invention provides a resin composition having an oxygen scavenging function. The resin composition comprises 70 to 99.9 wt % of a polyvinyl alcohol resin (A) and 0.1 to 30 wt % of a thermoplastic resin (B) other than the polyvinyl alcohol resin (A), wherein the thermoplastic resin (B) has a carbon-carbon double bond and a functional group including a hetero atom, and an oxygen absorption rate of the resin composition is 0.001 ml/m&#xb7;day or more.

Polyvinyl alcohol resin composition and multilayer packages

The present invention relates to a coinjection stretch blow-molded container having a layer of thermoplastic polyester (A) that has specific properties and a layer of an ethylene-vinyl alcohol copolymer resin composition (B) that includes specific minor components and has specific properties, and the thickness ratio of the layer of thermoplastic polyester (A) to the layer of an ethylene-vinyl alcohol copolymer resin composition (B) (layer (A)/layer (B)) in the container body is in the specific range. The coinjection stretch blow molded container of the present invention has excellent gas barrier properties against, for example: oxygen and carbon dioxide; moisture-proofing properties; flavor-retention properties; flavor-barrier properties; and impact delamination resistance. In addition, the coinjection stretch blow molded container of the present invention has a good appearance and can be stably produced in long-run working lines.

Growing community of inventors

Kurashiki, Japan

Masakazu Nakaya