A coated paperboard includes a recycled paperboard substrate having a first side and a second side, a first aqueous barrier coating applied over the first side, and a second aqueous barrier coating applied over the first aqueous barrier coating. The first aqueous barrier coating is formed from a mixture of binder and pigment. The second aqueous barrier coating is formed from a mixture of binder and pigment.

A coated paperboard includes a recycled paperboard substrate having a first side and a second side, a first aqueous barrier coating applied over the first side, and a second aqueous barrier coating applied over the first aqueous barrier coating. The first aqueous barrier coating is formed from a mixture of binder and pigment. The second aqueous barrier coating is formed from a mixture of binder and pigment.

A coated paperboard is disclosed which includes a printable coating containing substantially no fluorochemical or wax in which the coated paperboard is fully compostable as well as repulpable, and exhibits no tendency toward blocking. The coating may be a multiple layer coating.

A coated paperboard is disclosed which includes a printable coating containing substantially no fluorochemical or wax in which the coated paperboard is fully compostable as well as repulpable, and exhibits no tendency toward blocking. The coating may be a multiple layer coating.

Disclosed are methods for sealing paperboard, wherein the sealing is performed by using water-based barrier coating materials applied and dried on the paperboard. According to the method, the heating is performed on uncoated side of the paperboard. Also disclosed is a sealed paperboard product wherein the seal is obtainable by the disclosed method.

Disclosed are methods for sealing paperboard, wherein the sealing is performed by using water-based barrier coating materials applied and dried on the paperboard. According to the method, the heating is performed on uncoated side of the paperboard. Also disclosed is a sealed paperboard product wherein the seal is obtainable by the disclosed method.

A barrier coating composition may include an alcohol-based binder and an inorganic particulate. The barrier coating composition may be used in various ways, including in paper products including the barrier composition, methods of preparing the paper products, articles, particularly food grade packaging formed from the paper products, and packaged products, particularly packaged foodstuffs including the packaging.

A barrier coating composition may include an alcohol-based binder and an inorganic particulate. The barrier coating composition may be used in various ways, including in paper products including the barrier composition, methods of preparing the paper products, articles, particularly food grade packaging formed from the paper products, and packaged products, particularly packaged foodstuffs including the packaging.

The present invention concerns a process for the preparation of flocculated filler particles, wherein at least two aqueous suspensions of at least one filler material and at least one flocculating additive are combined.

The present invention concerns a process for the preparation of flocculated filler particles, wherein at least two aqueous suspensions of at least one filler material and at least one flocculating additive are combined.