The present invention relates to packaging material comprising a plastic substrate comprising at least one surface, and a barrier layer for hydrophobic substances, wherein the barrier layer is in contact with the at least one surface of the plastic substrate, wherein the barrier layer comprises a copolymer, a surface-reacted calcium carbonate, and a mineral material selected from natural ground calcium carbonate and/or precipitated calcium carbonate, as well as a method for producing the same and its use.

Provided is a gas barrier packaging material including a base and a cured resin layer, the base having a surface constituted of an inorganic substance. The cured resin layer is a cured product of an epoxy resin composition including an epoxy resin, an epoxy resin curing agent containing an amine-based curing agent, and an acidic compound, and a ratio (basic nitrogen/acid groups) of a molar equivalent of basic nitrogen in the epoxy resin composition to a molar equivalent of acid groups derived from the acidic compound is from 0.60 to 20.

A gas barrier film-forming composition comprising the following components: plate-like particles composed of exfoliated layer substances generated through interlayer exfoliation of layered compound, plate-like particles having average thickness of 0.7 nm to 100 nm, average major-axis length of 100 nm to 100,000 nm, and ratio of (maximum major-axis length/width orthogonal to maximum major-axis length) of 1.0 to 10.0, and containing quaternary ammonium ions each having total carbon atom number of 13 to 45 and one or two C.sub.10-20 alkyl groups, and anionic surfactant having ammonium ion, wherein the amount of each of quaternary ammonium ions and anionic surfactant is more than 0% by mass and 3.0% by mass or less relative to mass of plate-like particles, a water-soluble polymer; and an aqueous medium. The gas barrier film-forming composition, wherein layered compound is ilerite. A formed product comprising a base and a gas barrier film disposed on surface of the base.

A gas barrier film-forming composition comprising the following components: plate-like particles composed of exfoliated layer substances generated through interlayer exfoliation of layered compound, plate-like particles having average thickness of 0.7 nm to 100 nm, average major-axis length of 100 nm to 100,000 nm, and ratio of (maximum major-axis length/width orthogonal to maximum major-axis length) of 1.0 to 10.0, and containing quaternary ammonium ions each having total carbon atom number of 13 to 45 and one or two C.sub.10-20 alkyl groups, and anionic surfactant having ammonium ion, wherein the amount of each of quaternary ammonium ions and anionic surfactant is more than 0% by mass and 3.0% by mass or less relative to mass of plate-like particles, a water-soluble polymer; and an aqueous medium. The gas barrier film-forming composition, wherein layered compound is ilerite. A formed product comprising a base and a gas barrier film disposed on surface of the base.

Provided is an epoxy resin composition including an epoxy resin, an epoxy resin curing agent containing an amine-based curing agent, and an acidic compound, wherein a ratio (basic nitrogen/acid groups) of a molar equivalent of basic nitrogen in the epoxy resin composition to a molar equivalent of acid groups derived from the acidic compound is from 0.10 to 3.0. Also provided are a gas barrier film and a laminate in which the epoxy resin composition is used.

There is provided a multilayer structure comprising at least a barrier resin layer (X) and an inorganic barrier layer (Y) with a thickness of 500 nm or less which is adjacent to the barrier resin layer (X), wherein the layer (X) is made of a resin composition (x) comprising an ethylene-vinyl alcohol copolymer (A) and a polyamide (B) in a mass ratio (A/B) of 55/45 to 98/2, and the ethylene-vinyl alcohol copolymer (A) has an ethylene content of 20 to 46 mol % and a saponification degree of 90 mol % or more. Thus, there can be provided a multilayer structure having excellent gas barrier properties and appearance even after being subjected to stretching process or retorting process followed by bending process, and a packaging material for retort therewith.

There is provided a multilayer structure comprising at least a barrier resin layer (X) and an inorganic barrier layer (Y) with a thickness of 500 nm or less which is adjacent to the barrier resin layer (X), wherein the layer (X) is made of a resin composition (x) comprising an ethylene-vinyl alcohol copolymer (A) and a polyamide (B) in a mass ratio (A/B) of 55/45 to 98/2, and the ethylene-vinyl alcohol copolymer (A) has an ethylene content of 20 to 46 mol % and a saponification degree of 90 mol % or more. Thus, there can be provided a multilayer structure having excellent gas barrier properties and appearance even after being subjected to stretching process or retorting process followed by bending process, and a packaging material for retort therewith.

The present invention relates to a gas-barrier coating composition containing a metal oxide, a phosphoric acid compound, and an amine compound. The present invention provides a gas-barrier film that features excellent oxygen-barrier property, excellent water vapor-barrier property as well as excellent transparency, and a gas-barrier laminate that includes the film.

The present invention relates to a gas-barrier coating composition containing a metal oxide, a phosphoric acid compound, and an amine compound. The present invention provides a gas-barrier film that features excellent oxygen-barrier property, excellent water vapor-barrier property as well as excellent transparency, and a gas-barrier laminate that includes the film.

A main object of the present disclosure is to provide a decorative sheet including a barrier layer having excellent solid fragrance resistance and close adhesiveness. The present disclosure achieves the object by providing a decorative sheet comprising at least a substrate sheet, a barrier layer, and a surface protecting layer in this order, wherein the barrier layer includes a vinyl alcohol based resin, and a polyurethane resin.