A coated paperboard is disclosed which includes a base coat and top coat containing substantially no fluorochemical or wax, exhibiting good resistance to oil and grease, no tendency toward blocking, and being fully repulpable. Improved moisture resistance is also exhibited.

A coated paperboard is disclosed which includes a base coat and top coat containing substantially no fluorochemical or wax, exhibiting good resistance to oil and grease, no tendency toward blocking, and being fully repulpable. Improved moisture resistance is also exhibited.

A method for producing a cellulose and/or synthetic fibre-based support of which at least one surface is coated with a layer containing at least one water-soluble polymer comprising: hydroxyl or primary-secondary amino functional groups, at least some of which have been functionalized beforehand with at least one organic compound comprising at least one epoxy functional group, and at least one R.sup.1 group wherein R.sup.1 is a vinyl functional group or at least one Si(R.sup.2).sub.3 functional group and wherein R.sup.2=hydrogen atom, hydroxyl, alkoxy, alkyl, and combinations thereof.

The present invention relates generally to a polyvinyl alcohol composition having higher amorphous polyvinyl alcohol polymer content, a process for making such a polyvinyl alcohol composition, and various end uses thereof.

The present invention relates generally to a polyvinyl alcohol composition having higher amorphous polyvinyl alcohol polymer content, a process for making such a polyvinyl alcohol composition, and various end uses thereof.

There is provided a composition (C) comprising a modified PVA (A) and a compound (B), wherein the modified PVA (A) contains 0.01 mol % or more and less than 2 mol % of double bonds derived from an unsaturated carboxylic acid or a derivative thereof in side chains; the compound (B) is a compound having a conjugated double bond and two or more hydroxy groups bonded to the conjugated double bond, or a salt or oxide thereof; and a content of the compound (B) in the composition (C) is 0.001 parts by mass or more and less than 5 parts by mass based on 100 parts by mass of the modified PVA (A). The composition (C) has excellent hue, contains less insolubles in water, and has excellent water solubility.

There is provided a composition (C) comprising a modified PVA (A) and a compound (B), wherein the modified PVA (A) contains 0.01 mol % or more and less than 2 mol % of double bonds derived from an unsaturated carboxylic acid or a derivative thereof in side chains; the compound (B) is a compound having a conjugated double bond and two or more hydroxy groups bonded to the conjugated double bond, or a salt or oxide thereof; and a content of the compound (B) in the composition (C) is 0.001 parts by mass or more and less than 5 parts by mass based on 100 parts by mass of the modified PVA (A). The composition (C) has excellent hue, contains less insolubles in water, and has excellent water solubility.

A paper material and a flexible packaging material using the same are provided. At least one surface of the paper material is coated with a first coating layer and a second coating layer. The paper has an air permeability greater than 45200 sec and a dyne value less than 40 dyn/cm. The first coating layer includes an inorganic filler and a first water-based heat-sealable coating, and the first water-based heat-sealable coating includes a polyolefin dispersion, an ethylene acrylic acid copolymer, or a styrene acrylate emulsion. The second coating layer includes an inorganic filler and a second water-based heat-sealable coating, and the second water-based heat-sealable coating includes a polyolefin dispersion, an ethylene acrylic acid copolymer, a styrene acrylate emulsion, or polyvinyl alcohol.

The present disclosure is drawn to primer compositions, which can include a binder including polyvinyl alcohol, starch nanoparticles, and a crosslinkable polyurethane dispersion. The primer competitions can also include a cationic salt and water.

The present disclosure is drawn to primer compositions, which can include a binder including polyvinyl alcohol, starch nanoparticles, and a crosslinkable polyurethane dispersion. The primer competitions can also include a cationic salt and water.