The present invention is directed to a process for manufacturing a nano-coated pulp-based substrate comprising the steps of: a) providing a suspension comprising pulp, said pulp having Schopper Riegler value of at least 70; b) using the suspension of step a) to form a wet web; c) dewatering and/or drying the wet web to form a substrate; d) adding a first layer of an acrylic monomer solution comprising less than 2 wt-% water to the surface of the substrate, followed by radiation curing the first layer; e) optionally adding a second layer comprising an acrylic monomer solution to the surface of the cured first layer and radiation curing the second layer; f) providing a nano-coating on the surface of the cured first or second layer such that a nano-coating having a thickness in the range of from 0.1 nm to 100 nm is provided on the substrate.

A gas barrier laminate according to one aspect of the present disclosure is a gas barrier laminate including a paper base material, a first resin layer, a vapor-deposited layer, and a second resin layer in this order, in which the gas barrier laminate has a density of 0.9 g/cm.sup.3 or higher and 1.5 g/cm.sup.3 or lower, and a dimensional change percentage in a CD direction of a dimension under conditions of 40 C. and 90% RH with respect to a dimension under conditions of 40 C. and 20% RH of the gas barrier laminate is 0.8% or less.

A gas barrier laminate according to one aspect of the present disclosure is a gas barrier laminate including a paper base material, a first resin layer, a vapor-deposited layer, and a second resin layer in this order, in which the gas barrier laminate has a density of 0.9 g/cm.sup.3 or higher and 1.5 g/cm.sup.3 or lower, and a dimensional change percentage in a CD direction of a dimension under conditions of 40 C. and 90% RH with respect to a dimension under conditions of 40 C. and 20% RH of the gas barrier laminate is 0.8% or less.

The present invention relates to an industrially feasible and optimised method for manufacturing a high-quality gas barrier-coated cellulose-based substrate. The invention further relates to a laminated packaging material comprising the obtained barrier-coated celluose-based substrate, suitable for packaging of oxygen-sensitive products, and to packaging containers comprising the laminated packaging material.

The present invention relates to an industrially feasible and optimised method for manufacturing a high-quality gas barrier-coated cellulose-based substrate. The invention further relates to a laminated packaging material comprising the obtained barrier-coated celluose-based substrate, suitable for packaging of oxygen-sensitive products, and to packaging containers comprising the laminated packaging material.

The present invention is directed to a coated paper substrate that is particularly suitable for metallization and other nano-coatings that provide barrier properties and are applied using vacuum deposition techniques. The invention is also directed to a process for preparing the coated paper substrate. The invention is also directed to a packaging material comprising the coated paper substrate.

The present invention is directed to a coated paper substrate that is particularly suitable for metallization and other nano-coatings that provide barrier properties and are applied using vacuum deposition techniques. The invention is also directed to a process for preparing the coated paper substrate. The invention is also directed to a packaging material comprising the coated paper substrate.

A metalized powder painted color sample for facilitating selection of a powder paint, the powder paint being applicable to a base material, is described. The metalized powder painted color sample includes a paper substrate sheet including a first side, a metallic layer bonded to the first side of the paper substrate sheet, and a powder paint layer bonded to the metallic layer. The metallic layer includes aluminum and has a thickness of between 15 nanometers and 50 nanometers. The powder paint layer includes a cured polymer powder paint and having a thickness of between 20 micrometers and 140 micrometers. In some embodiments, at least a portion of the metalized powder painted color sample has a same color and a same texture as the base material when the powder paint has been applied to the base material.

A metalized powder painted color sample for facilitating selection of a powder paint, the powder paint being applicable to a base material, is described. The metalized powder painted color sample includes a paper substrate sheet including a first side, a metallic layer bonded to the first side of the paper substrate sheet, and a powder paint layer bonded to the metallic layer. The metallic layer includes aluminum and has a thickness of between 15 nanometers and 50 nanometers. The powder paint layer includes a cured polymer powder paint and having a thickness of between 20 micrometers and 140 micrometers. In some embodiments, at least a portion of the metalized powder painted color sample has a same color and a same texture as the base material when the powder paint has been applied to the base material.

A packaging material for an aqueous content is a packaging bag including at least a gas barrier laminate having a paper base material, an anchor coat layer, a vapor-deposited layer and an overcoat layer laminated in this order, in which a mass of the paper base material is 50 mass % or more relative to a total mass of the packaging material, the vapor-deposited layer contains a metal or a metal oxide, the overcoat layer contains a polyolefin having a carboxylic acid base, and the overcoat layer has a thickness of more than 3 m.