Mitsubishi Chemical Corporation

Sega Enterprises, Ltd.

Takuya Nakajima

Keisuke Takeshita

Daichi Nishimura

Yoshihiro Nakai

Kenji Kudo

Nobuyuki Yamamoto

Tomoyuki Yamamoto

Koji Yamada

Shinichi Hori

Ryohei Kobayashi

Masahiko Taniguchi

Kazuhiko Hamada

Hisao Uchida

Nishimura Daichi

A resin composition containing a hydrophilic resin and a metal compound, and satisfies the following expression (1) when being formed into a film:α1−β1≥1  (1)wherein α1 is an average metal atom concentration (%) in a portion of the film in a depth range of 0 to 9 nm from a film surface, and β1 is an average metal atom concentration (%) in a portion of the film in a depth range of 12 to 21 nm from the film surface. The resin composition is excellent in gas barrier property, particularly in oxygen barrier property, in a high humidity environment.

Resin composition, film, and multilayer structure

An ethylene-vinyl alcohol copolymer resin composition containing an ethylene-vinyl alcohol copolymer and a metal compound satisfying the following general formula (1), as an ethylene-vinyl alcohol copolymer resin composition having an excellent gas barrier property in the high humidity environment, particularly an excellent oxygen barrier property in the high humidity environment:M(OH)A  (1)wherein M is a metal species, A is an anionic ligand having a valence of n− and excluding a hydroxy ligand and O (oxo ligand), n is an integer not less than 1, and a and b are each a number greater than zero and satisfy an expression a/b=0.1 to 10.

Ethylene-vinyl alcohol copolymer resin composition, film, and multilayer structure

Provided is an ethylene-vinyl alcohol copolymer resin composition comprising an ethylene-vinyl alcohol copolymer (X) and a metal compound, wherein the composition satisfies the following formula (1), as an ethylene-vinyl alcohol copolymer resin composition having an excellent gas barrier property in the high humidity environment, particularly an excellent oxygen barrier property in the high humidity environment:Δ>0  (1)where Arepresents the second virial coefficient when the ethylene-vinyl alcohol copolymer resin composition is subjected to static light scattering measurement using hexafluoroisopropanol as a solvent, and Arepresents the second virial coefficient of the ethylene-vinyl alcohol copolymer (X) in the ethylene-vinyl alcohol copolymer resin composition measured in the same manner.

An ethylene-vinyl alcohol copolymer resin composition containing an ethylene-vinyl alcohol copolymer and a metal compound, and having a peak at 2θ=2 to 15° when measured by wide-angle X-ray diffraction using CuKα ray, as an ethylene-vinyl alcohol copolymer resin composition having an excellent gas barrier property in a high humidity environment, particularly an excellent oxygen barrier property in a high humidity environment.

An ethylene-vinyl alcohol copolymer composition contains: (A) an ethylene-vinyl alcohol copolymer; (B) a styrene derivative; and (C) an iron compound; wherein the iron compound (C) is present in an amount of 0.01 to 5 ppm on a metal basis based on the weight of the ethylene-vinyl alcohol copolymer composition. The ethylene-vinyl alcohol copolymer composition has ultraviolet absorbability even without a known ultraviolet-absorbing agent blended therein, and is excellent in heat stability and reduced susceptibility to coloration.

Ethylene-vinyl alcohol copolymer composition, pellets, and multilayer structure

A melt-formable ethylene-vinyl alcohol copolymer composition contains: (A) an ethylene-vinyl alcohol copolymer; (B) an alkali metal compound; and (C) an iron compound; wherein the weight ratio of the alkali metal compound (B) to the iron compound (C) on a metal basis is 10 to 100,000. The viscosity of the melt-formable ethylene-vinyl alcohol copolymer composition decreases with time during melt forming, rendering it excellent in long-run formability.

Melt-formable ethylene-vinyl alcohol copolymer composition, pellets, and multilayer structure

Ethylene-vinyl alcohol copolymer composition pellets comprise: an ethylene-vinyl alcohol copolymer; a boron compound; and a predetermined amount of at least one fisheye-suppressing component, wherein pellet surface portions of the ethylene-vinyl alcohol copolymer composition pellets have a boron compound content of not higher than 1.7 ppm on a boron basis based on the weight of the pellets. The ethylene-vinyl alcohol copolymer composition pellets are capable of suppressing occurrence of fisheyes even if being used for formation of a single-layer ethylene-vinyl alcohol copolymer film.

Ethylene-vinyl alcohol copolymer composition pellets, and production method for ethylene-vinyl alcohol copolymer composition pellets

An ethylene-vinyl alcohol copolymer composition is provided, which contains an ethylene-vinyl alcohol copolymer and an iron compound, wherein the ethylene-vinyl alcohol copolymer has an ethylene content of 20 to 60 mol %, wherein the iron compound is present in a proportion of 0.01 to 100 ppm on a metal basis based on the weight of the ethylene-vinyl alcohol copolymer composition.

Ethylene-vinyl alcohol copolymer composition pellets, and multilayer structure

Provided is EVOH resin pellet capable of suppressing the occurrence of fish eye even in a resultant monolayer film, and the method for producing the same. The EVOH resin pellet contains a boron compound and the boron amount in a surface portion of the pellet is 1.7 ppm or less. After the EVOH resin pellet is made to contain the boron compound, the EVOH resin pellet is rinsed with a mixture of water and alcohol so that the amount of the boron compound in a surface portion can be reduced.

Saponified ethylene-vinyl ester-based copolymer pellet and producing method therefor

A voice recognition device used as a peripheral device for a game machine including a voice input device, a voice recognition section for recognizing the player's voice by comparing the voice signal output from the voice input device with data from previously defined voice recognition dictionaries and generating control signals relating to the game on the basis of the recognition result. The voice recognition section includes a non-specific speaker voice recognition dictionary which is previously defined for unspecified speakers, and a specific speaker voice recognition dictionary which is defined by the player.

Growing community of inventors

Tokyo, Japan

Takuya Nakajima