Abstract: A resin composition according to an aspect of the present invention comprises: an ethylene-vinyl alcohol copolymer (A); and a block copolymer (B) having a block (b1) that includes a vinyl aromatic monomer unit, and a block (b2) that includes an isobutylene unit, wherein the ethylene-vinyl alcohol copolymer (A) and the block copolymer (B) form a co-continuous phase structure; and a DSC curve obtained following heating the resin composition up to a melting point and cooling at a rate of 50° C./min in a differential scanning calorimetry analysis shows two peaks, with a higher peak top temperature falling within a range of 130° C. or greater and 170° C. or less, and a lower peak top temperature falling within a range of 100° C. or greater and less than 130° C. A resin composition may thus be obtained that is able to give a molded article that is superior in balance between gas barrier properties and flexibility.

Abstract: Provided is a resin composition, comprising: an ethylene-vinyl alcohol copolymer (A); an isobutylene-based copolymer (B) containing a halogen atom; and a halogen scavenger (C), wherein a mass ratio (B/A) of the isobutylene-based copolymer (B) to the ethylene-vinyl alcohol copolymer (A) is from 5/95 to 45/55, and a content of the halogen scavenger (C) is from 0.01 to 1 part by mass based on 100 parts by mass of a total of the ethylene-vinyl alcohol copolymer (A) and the isobutylene-based copolymer (B). Such a resin composition is excellent in gas barrier properties and flexibility and stably produced over a long period of time.

Abstract: Provided is a resin composition, comprising: an isobutylene-based copolymer (A) containing a halogen atom; an ethylene-vinyl alcohol copolymer (B); and a halogen scavenger (C), wherein a mass ratio (B/A) of the ethylene-vinyl alcohol copolymer (B) to the isobutylene-based copolymer (A) containing a halogen atom is from 20/80 to 50/50, and a content of the halogen scavenger (C) is from 0.01 to 1 part by mass based on 100 parts by mass of a total of the isobutylene-based copolymer (A) containing a halogen atom and the ethylene-vinyl alcohol copolymer (B). Such a resin composition is excellent in gas barrier properties and flexibility and stably produced over a long period of time.

Abstract: A resin composition containing an ethylene-vinylalcohol copolymer (A) and a hydroxyl group containing compound (B), the hydroxyl group containing compound (B) having a molecular weight of 200 or less, a ratio of the number of hydroxyl groups in one molecule relative to the molecular weight within a range of 0.02-0.03, and a melting point of 23° C. or higher, the content of the hydroxyl group containing compound (B) being 3-15 mass % relative to the resin composition, a molded product using the same, and a multilayer structure including a layer composed of the resin composition.

Abstract: The present invention provides a compound of the following Formula (1) or a pharmaceutically acceptable salt thereof: wherein X is an oxygen atom and the like; Y is —CO—, —SO2— and the like; R1 is an optionally-substituted C1-6 alkyl group, an optionally-substituted C1-6 alkylcarbonyl group and the like; R2 is an optionally-substituted C1-6 alkyl group, an optionally-substituted C1-6 alkoxy group, an optionally-substituted amino group, an optionally-substituted 5- to 12-membered monocyclic or polycyclic saturated heterocyclic group and the like; R3, R4, R5, and R6 are independently a hydrogen atom and the like which exhibits excellent effects in suppressing the proliferation and sphere-forming ability of cancer cells, and can be useful as an antitumor drug or cell growth inhibitor.

Abstract: A resin composition according to an aspect of the present invention comprises: an ethylene-vinyl alcohol copolymer (A); and a block copolymer (B) having a block (b1) that includes a vinyl aromatic monomer unit, and a block (b2) that includes an isobutylene unit, wherein the ethylene-vinyl alcohol copolymer (A) and the block copolymer (B) form a co-continuous phase structure; and a DSC curve obtained following heating the resin composition up to a melting point and cooling at a rate of 50° C./min in a differential scanning calorimetry analysis shows two peaks, with a higher peak top temperature falling within a range of 130° C. or greater and 170° C. or less, and a lower peak top temperature falling within a range of 100° C. or greater and less than 130° C. A resin composition may thus be obtained that is able to give a molded article that is superior in balance between gas barrier properties and flexibility.

Abstract: A composite structure disclosed includes a base (X) and a layer (Y). The layer (Y) includes a mixture of a metal oxide (A), a phosphorus compound (B), and a compound (La) (silicon compound). Examples of the phosphorus compound (B) and the compound (La) include a compound containing a site capable of reacting with the metal oxide (A). When the number of moles of metal atoms (M) derived from the metal oxide (A) is denoted by NM and the number of moles of Si atoms derived from the compound (La) is denoted by NSi, 0.01?NSi/NM?0.30 is satisfied. When the number of moles of phosphorus atoms derived from the phosphorus compound (B) is denoted by NP, 0.8?NM/NP?4.5 is satisfied.

Abstract: A silage film having at least one layer of a resin composition containing an ethylene-vinyl alcohol copolymer (A) and a hydroxy group-containing compound (B). In the resin composition containing the ethylene-vinyl alcohol copolymer (A) and the hydroxy group-containing compound (B), the hydroxy group-containing compound (B) has a molecular weight of less than or equal to 200, a ratio of number of hydroxy groups per molecule to the molecular weight ranging from 0.02 to 0.03, and a melting point of greater than or equal to 23° C., and a content of the hydroxy group-containing compound (B) in the resin composition ranging from 3% to 15% by mass. The silage film has excellent oxygen barrier property and stretchability (suitability for wrapping) and can be suitably used for long-term storage of silage.

Abstract: An oxygen-absorbing composition of the present invention contains: a gas barrier resin (A) having an oxygen transmission rate of 500 mL·20 ?m/(m2·day·atm) or less as measured at 20° C. and 65% RH; a thermoplastic resin (B) including repeating units represented by General Formula (I) below (where X is a methylene group or an oxygen atom, R1 is an alkenylene group having 3 to 12 carbon atoms, and n is an integer of 5 to 5000); at least one type of metal salt (C) selected from the group consisting of an iron salt, a nickel salt, a copper salt, a manganese salt, and a cobalt salt; and a bifunctional processing stabilizer (D) that is a compound having an acrylate structure and a hindered phenol structure in a same molecule. The oxygen-absorbing resin composition of the present invention performs excellent oxygen-absorbing properties, and enables to reduce generation of an unpleasant odor caused by decomposition of the oxygen-absorbing composition during oxygen absorption.

Abstract: A resin composition according to an aspect of the present invention comprises: an ethylene-vinyl alcohol copolymer (A); and a block copolymer (B) having a block (b1) that includes a vinyl aromatic monomer unit, and a block (b2) that includes an isobutylene unit, wherein the ethylene-vinyl alcohol copolymer (A) and the block copolymer (B) form a co-continuous phase structure; and a DSC curve obtained following heating the resin composition up to a melting point and cooling at a rate of 50° C./min in a differential scanning calorimetry analysis shows two peaks, with a higher peak top temperature falling within a range of 130° C. or greater and 170° C. or less, and a lower peak top temperature falling within a range of 100° C. or greater and less than 130° C. A resin composition may thus be obtained that is able to give a molded article that is superior in balance between gas barrier properties and flexibility.

Abstract: An oxygen-absorbing composition of the present invention contains: a gas barrier resin (A) having an oxygen transmission rate of 500 mL·20 ?m/(m2·day·atm) or less as measured at 20° C. and 65% RH; a thermoplastic resin (B) including repeating units represented by General Formula (I) below (where X is a methylene group or an oxygen atom, R1 is an alkenylene group having 3 to 12 carbon atoms, and n is an integer of 5 to 5000); at least one type of metal salt (C) selected from the group consisting of an iron salt, a nickel salt, a copper salt, a manganese salt, and a cobalt salt; and a bifunctional processing stabilizer (D) that is a compound having an acrylate structure and a hindered phenol structure in a same molecule. The oxygen-absorbing resin composition of the present invention performs excellent oxygen-absorbing properties, and enables to reduce generation of an unpleasant odor caused by decomposition of the oxygen-absorbing composition during oxygen absorption.

Abstract: The present invention provides a compound of the following Formula (1) or a pharmaceutically acceptable salt thereof: wherein X is an oxygen atom and the like; Y is —CO—, —SO2— and the like; R1 is an optionally-substituted C1-6 alkyl group, an optionally-substituted C1-6 alkylcarbonyl group and the like; R2 is an optionally-substituted C1-6 alkyl group, an optionally-substituted C1-6 alkoxy group, an optionally-substituted amino group, an optionally-substituted 5- to 12-membered monocyclic or polycyclic saturated heterocyclic group and the like; R3, R4, R5, and R6 are independently a hydrogen atom and the like which exhibits excellent effects in suppressing the proliferation and sphere-forming ability of cancer cells, and can be useful as an antitumor drug or cell growth inhibitor.

Abstract: A resin composition is provided that contains: an EVOH (A); an unmodified ethylene-?-olefin copolymer (B); an acid modified ethylene-?-olefin copolymer (C); and alkali metal salt (D), wherein a mass ratio [(A)/((B)+(C))] is from 80/20 to 65/35, a mass ratio [(B)/(C)] is from 92/8 to 70/30, (A) has an MFR of not less than 8.0 g/10 min. and not more than 15 g/10 min., a content of (D) is not less than 25 ppm and not more than 300 ppm in terms of metal, and the resin composition has an MFR of not less than 2.0 g/10 min. and not more than 4.0 g/10 min. The use of this resin composition enables production of a multilayer structure and an inner container for a bag-in-box having excellent oxygen barrier properties and high flexibility and bending resistance.

Abstract: An object of the present invention is to provide a multilayered pipe having a layer comprising a resin composition containing EVOH, which is unlikely to exhibit the occurrence of cracking in the EVOH layer due to oxidative degeneration and has excellent gas barrier property even during long-term usage at high temperatures, and also to provide a resin composition for obtaining the multilayered pipe. The present invention relates to a resin composition containing 0.001 to 5 parts by mass of an antioxidant (B) and 0.00001 to 0.3 parts by mass of a conjugated polyene compound (C) having a molecular weight of 1000 or less, relative to 100 parts by mass of an ethylene-vinyl alcohol copolymer (A).

Abstract: A resin composition containing an ethylene-vinylalcohol copolymer (A) and a hydroxyl group containing compound (B), the hydroxyl group containing compound (B) having a molecular weight of 200 or less, a ratio of the number of hydroxyl groups in one molecule relative to the molecular weight within a range of 0.02-0.03, and a melting point of 23° C. or higher, the content of the hydroxyl group containing compound (B) being 3-15 mass % relative to the resin composition, a molded product using the same, and a multilayer structure including a layer composed of the resin composition.

Abstract: A composite structure disclosed includes a base (X) and a layer (Y) stacked on the base (X). The layer (Y) includes 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). A peak for a binding energy of an oxygen-atom 1s orbital observed by X-ray photoelectron spectroscopy of the layer (Y) is located at 532.0 eV or higher, and the peak has a half width of less than 2.0 eV.

Abstract: The gas barrier layered product of the present invention includes a base and a gas barrier layer stacked on the base. The gas barrier layer is formed of a composition that includes the hydrolyzed condensate of at least one type of compound (L) containing a hydrolyzable characteristic group, and a polymer (X) containing at least one functional group selected from a carboxyl group and a carboxylic acid anhydride group. At least part of —COO— group contained in the functional group of the polymer (X) is neutralized and/or reacted with a compound (P) containing at least two amino groups. At least part of the —COO— group of the polymer (X) is neutralized with a metal ion having a valence of at least two. The ratio of [the equivalent amount of the amino groups contained in the compound (P)]/[the equivalent amount of the —COO— group of the polymer (X)] is in the range of 0.2/100 to 20.0/100.

Abstract: The composite structural material of the present invention includes a base (X) and a layer (Y) stacked on the base (X). The layer (Y) includes a reaction product (R) of a metal oxide (A) and a phosphorus compound (B). In the infrared absorption spectrum of the layer (Y) in the range of 800 to 1400 cm?1, the wave number (n1) at which the infrared absorption reaches maximum is in the range of 1080 to 1130 cm?1.

Abstract: An object of the present invention is to provide a multilayered pipe having a layer comprising a resin composition containing EVOH, which is unlikely to exhibit the occurrence of cracking in the EVOH layer due to oxidative degeneration and has excellent gas barrier property even during long-term usage at high temperatures, and also to provide a resin composition for obtaining the multilayered pipe. The present invention relates to a resin composition containing 0.001 to 5 parts by mass of an antioxidant (B) and 0.00001 to 0.3 parts by mass of a conjugated polyene compound (C) having a molecular weight of 1000 or less, relative to 100 parts by mass of an ethylene-vinyl alcohol copolymer (A).

Abstract: The composite structural material of the present invention includes a base (X) and a layer (Y) stacked on the base (X). The layer (Y) includes a reaction product (R) of a metal oxide (A) and a phosphorus compound (B). In the infrared absorption spectrum of the layer (Y) in the range of 800 to 1400 cm?1, the wave number (n1) at which the infrared absorption reaches maximum is in the range of 1080 to 1130 cm?1.