Mitsubishi Gas Chemical Company, Inc.

Kenichiro Usuda

Satoshi Okada

Shinichi Ikeda

Shinpei Iwamoto

Takashi Kashiba

Takeshi Hirokane

Shota Arakawa

Shun Ogawa

Fumihiro Ito

Toshiya Takagi

Takumi Toida

Haruka Okazaki

Toshiya Naito

Provided is a multilayer vessel excellent in gas barrier performance and transparency and its application. The multilayer vessel contains a layer (X) that contains at least one type of polyolefin resin as the major ingredient; and a layer (Y) that contains a polyamide resin (A) as the major ingredient, the polyamide resin (A) being composed of a structural unit derived from diamine, and a structural unit derived from dicarboxylic acid, 70 mol % or more of the structural unit derived from diamine being derived from metaxylylenediamine, meanwhile 30 to 60 mol % of the structural unit derived from dicarboxylic acid being derived from straight chain aliphatic α,ω-dicarboxylic acid having 4 to 20 carbon atoms, and 70 to 40 mol % being derived from isophthalic acid.

Multilayer vessel, and application thereof

Provided is an oxygen-absorbing multilayer body including an oxygen-absorbing layer containing an oxygen-absorbing composition and a thermoplastic resin layer containing a thermoplastic resin (b), wherein the oxygen-absorbing composition includes at least one compound having a tetralin ring represented by Formula (1), a transition metal catalyst, and a thermoplastic resin (a). 

Oxygen-absorbing multilayer body, oxygen-absorbing container, oxygen-absorbing airtight container, oxygen-absorbing push-through pack, and storage method using same

Oxygen-absorbing resin composition, not responsive to a metal detector, producing no odor after absorption of oxygen and has excellent oxygen-absorbing performance in a wide range of humidity conditions from low to high humidity. An oxygen-absorbing molded article, and a multilayer body, container, injection-molded article and medical containers also provided. The oxygen absorbing resin composition contains a polyester, comprising at least one constituent unit having a tetralin ring component compound, a transition metal catalyst, and a catalyst for producing the polyester. The oxygen-absorbing molded article of the present invention can be formed by molding the oxygen-absorbing resin composition into a film or a sheet. The multilayer body, container, injection-molded article, medical container, etc. of the present invention are obtained by using the oxygen-absorbing resin composition.

Oxygen-absorbing resin composition and oxygen-absorbing molded article using same and multilayer body, container, injection-molded article and medical container using these

Provided is an oxygen-absorbing medical multilayer container including at least three layers including a first resin layer containing a thermoplastic resin (b1), an oxygen-absorbing layer containing an oxygen-absorbing composition, and a second resin layer containing a thermoplastic resin (b2), in this order, where the oxygen-absorbing composition contains at least one compound having a tetralin ring represented by Formula (1), a transition metal catalyst, and a thermoplastic resin (a).

Oxygen-absorbing medical multilayer container and method for storing biological medicine

Provided are a novel oxygen-absorbing resin composition not responsive to a metal detector, producing no odor after absorption of oxygen and having excellent oxygen-absorbing performance, and a multilayer body, container, injection-molded article and medical container using these. Further provided are an oxygen-absorbing resin composition etc. having excellent oxygen-absorbing performance in a wide range of humidity conditions from low humidity to high humidity. The oxygen-absorbing resin composition of the present invention is an oxygen-absorbing resin composition containing a polyamide compound and a transition metal catalyst, wherein the polyamide compound has at least one constituent unit having a tetralin ring. Moreover, the multilayer body, container, injection-molded article, medical container, etc. of the present invention are obtained by using the oxygen-absorbing resin composition of the present invention.

Oxygen-absorbing resin composition, and multilayer body, container, injection-molded body, and medical container using same

An oxygen absorbing agent composition including at least one type of a compound having an indane skeleton represented by the following general formula (1) and a transition metal catalyst: 

Oxygen absorbing agent composition

Provided is a novel oxygen-absorbing resin composition having excellent oxygen-absorbing performance and suppressing odor generation after absorption of oxygen even if a material responsive to a metal detector is not used. Further provided is an oxygen-absorbing resin composition having excellent oxygen-absorbing performance in a wide range of humidity conditions from low humidity to high humidity. Such an oxygen-absorbing resin composition contains a copolymerized polyolefin compound and a transition metal catalyst, in which the copolymerized polyolefin compound contains at least one constituent unit having a tetralin ring.

Oxygen-absorbing resin composition and oxygen-absorbing multilayer body using same, and molded article and medical container using these

An oxygen-absorbing resin composition comprising a polyester compound having a constitutional unit (a), which has at least one tetralin ring selected from the group consisting of the following general formulas (1) to (4) and a constitutional unit (b) comprising residue of tetrahydrophthalic anhydride derivative which is represented by the following general formula (5) and/or general formula (6). 

Oxygen-absorbing resin composition

The present invention provides a novel oxygen absorbent composition being capable of realizing an oxygen absorbent not responding to a metal detector, being suppressed in the increase of the odor intensity after the absorption of oxygen and having an excellent oxygen absorption performance over a wide range of humidity conditions from low humidity to high humidity, and provides an oxygen absorbent package using the oxygen absorbent composition. The oxygen absorbent composition of the present invention includes at least one compound having a tetralin ring represented by the following general formula (1) and a transition metal catalyst: 

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Kanagawa, Japan

Kenichiro Usuda