The gas barrier laminate includes a paper base, a first resin layer, a deposition layer, and a second resin layer laminated on each other, wherein the paper base, the first resin layer, the deposition layer, and the second resin layer are laminated in order, a thickness of the paper base is 20 ?m or more and 40 ?m or less, and a density of the paper base is 0.8 g/cm.sup.3 or more and 1.5 g/cm.sup.3 or less.

The present invention is directed to a packaging material comprising a layer of microfibrillated cellulose (MFC) and an aluminum layer having a thickness of 0.1-20 ?m, wherein the layer comprising MFC and/or the aluminum layer has been laminated or extrusion coated on at least one side with a thermoplastic polymer and wherein the amount of aluminum is sufficient to make the packaging material heat sealable by induction. The MFC layer contains at least 60% by weight of microfibrillated cellulose.

The present invention is directed to a packaging material comprising a layer of microfibrillated cellulose (MFC) and an aluminum layer having a thickness of 0.1-20 ?m, wherein the layer comprising MFC and/or the aluminum layer has been laminated or extrusion coated on at least one side with a thermoplastic polymer and wherein the amount of aluminum is sufficient to make the packaging material heat sealable by induction. The MFC layer contains at least 60% by weight of microfibrillated cellulose.

The disclosure relates to a method for producing a coated packaging material, in particular a laminate, wherein at least the following steps are carried out: a) providing a cellulose-containing substrate, b) coating at least one surface region of the substrate with a curable composition and curing the composition, forming a primer layer, and c) generating a metal-containing layer on at least one surface region of the primer layer. According to the disclosure, the composition used in step b) contains at least one ionically polymerizable monomer that is cured via ionic polymerization. The disclosure also relates to a packaging material including a cellulose-containing substrate having a layer system, wherein the layer system has at least one primer layer and a metal-containing layer, wherein the primer layer includes/is at least one polymer cured via ionic polymerization, and a packaging produced from at least one packaging material of this type.

The disclosure relates to a method for producing a coated packaging material, in particular a laminate, wherein at least the following steps are carried out: a) providing a cellulose-containing substrate, b) coating at least one surface region of the substrate with a curable composition and curing the composition, forming a primer layer, and c) generating a metal-containing layer on at least one surface region of the primer layer. According to the disclosure, the composition used in step b) contains at least one ionically polymerizable monomer that is cured via ionic polymerization. The disclosure also relates to a packaging material including a cellulose-containing substrate having a layer system, wherein the layer system has at least one primer layer and a metal-containing layer, wherein the primer layer includes/is at least one polymer cured via ionic polymerization, and a packaging produced from at least one packaging material of this type.

The present invention relates generally to the field of multi-layer flexible packaging material. In particularly, the present invention relates to a multi-layer flexible packaging material to package dry food, preferably confectionery. The packaging material of the present invention is marine degradable, recyclable and has acceptable barrier properties.

The present invention relates generally to the field of multi-layer flexible packaging material. In particularly, the present invention relates to a multi-layer flexible packaging material to package dry food, preferably confectionery. The packaging material of the present invention is marine degradable, recyclable and has acceptable barrier properties.

A paper or paperboard based packaging laminate comprising: a paper or paperboard base layer, a mineral coating layer, a PVOH coating layer, and a metallized film layer, wherein the mineral coating layer is arranged between and in contact with the base layer and the PVOH coating layer, and wherein the metallized film layer is laminated to the PVOH coating layer, and wherein the packaging laminate has an oxygen transfer rate (OTR), measured according to the standard ASTM F-1927 at 90% relative humidity and 38? C., of less than 5 cc/m.sup.2/day. Also a container with such a paper or paperboard based packaging laminate.

An object of the present invention is to provide base paper for vapor deposition paper that can provide vapor deposition paper with excellent barrier properties. The base paper for vapor deposition paper according to the present invention includes: a paper substrate; and a clay coat layer and a resin layer in this order on at least one surface of the paper substrate. A surface of the resin laver has a wetting tension of 50 mN/n or more as measured in conformity with JIS K 6768:1999 and a print-surf surface roughness of 2.5 ?m or less as measured in conformity with JIS P 8151:2004.

An object of the present invention is to provide base paper for vapor deposition paper that can provide vapor deposition paper with excellent barrier properties. The base paper for vapor deposition paper according to the present invention includes: a paper substrate; and a clay coat layer and a resin layer in this order on at least one surface of the paper substrate. A surface of the resin laver has a wetting tension of 50 mN/n or more as measured in conformity with JIS K 6768:1999 and a print-surf surface roughness of 2.5 ?m or less as measured in conformity with JIS P 8151:2004.