D21H23/48

OIL AND GREASE RESISTANT PAPERBOARD
20190161914 · 2019-05-30 ·

A coated paperboard including a paperboard substrate having a first side and a second side, and a coating having one or more layers in contact with the first side of the paperboard substrate, the coating having a coat weight of at least 6.4 lbs per 3000 ft.sup.2 and comprising binder and pigment and containing substantially no fluorochemical or wax, wherein the coated paperboard has a 3M Kit test value of at least 5, is at least 99% repulpable, and has no tendency toward blocking.

OIL AND GREASE RESISTANT PAPERBOARD
20190161914 · 2019-05-30 ·

A coated paperboard including a paperboard substrate having a first side and a second side, and a coating having one or more layers in contact with the first side of the paperboard substrate, the coating having a coat weight of at least 6.4 lbs per 3000 ft.sup.2 and comprising binder and pigment and containing substantially no fluorochemical or wax, wherein the coated paperboard has a 3M Kit test value of at least 5, is at least 99% repulpable, and has no tendency toward blocking.

Compositions

Compositions such as filled and coated papers may include microfibrillated cellulose and inorganic particulate material.

Compositions

Compositions such as filled and coated papers may include microfibrillated cellulose and inorganic particulate material.

Printable compostable paperboard

A coated paperboard including a paperboard substrate having a first side and a second side, and a multilayer coating having two or more layers in contact with the first side of the paperboard substrate, the multilayer coating including a base coating in contact with the paperboard substrate, the base coating having a coat weight from 6 to 10 pounds per 3000 ft.sup.2, and a top coating forming the outermost layer of the multilayer coating, the top coating having a coat weight from 3 to 10 pounds per 3000 ft.sup.2, wherein the multilayer coating comprises binder and pigment, the binder comprising one or more synthetic polymer binders and one or more natural biodegradable binders, and wherein the coated paperboard has a caliper of at least 0.010.

Printable compostable paperboard

A coated paperboard including a paperboard substrate having a first side and a second side, and a multilayer coating having two or more layers in contact with the first side of the paperboard substrate, the multilayer coating including a base coating in contact with the paperboard substrate, the base coating having a coat weight from 6 to 10 pounds per 3000 ft.sup.2, and a top coating forming the outermost layer of the multilayer coating, the top coating having a coat weight from 3 to 10 pounds per 3000 ft.sup.2, wherein the multilayer coating comprises binder and pigment, the binder comprising one or more synthetic polymer binders and one or more natural biodegradable binders, and wherein the coated paperboard has a caliper of at least 0.010.

VISCOSITY MODIFIED GLASS FIBER PRODUCTS

Glass fiber products, including glass fiber mat and insulation products, are described. A glass fiber mat may include glass fibers and a binder. The binder may include cured products from a carbohydrate binder composition. The carbohydrate binder composition may include a carbohydrate, a nitrogen-containing compound, and a thickening agent. The carbohydrate binder composition may have a Brookfield viscosity of 7 to 50 centipoise at 20? C. as measured with a Brookfield viscometer using spindle 18 at 60 rpm. Glass fiber mats may include a component of a roofing shingle. Glass fiber mats may be a facer, battery separator, a filtration media, or a backing mat.

VISCOSITY MODIFIED GLASS FIBER PRODUCTS

Glass fiber products, including glass fiber mat and insulation products, are described. A glass fiber mat may include glass fibers and a binder. The binder may include cured products from a carbohydrate binder composition. The carbohydrate binder composition may include a carbohydrate, a nitrogen-containing compound, and a thickening agent. The carbohydrate binder composition may have a Brookfield viscosity of 7 to 50 centipoise at 20? C. as measured with a Brookfield viscometer using spindle 18 at 60 rpm. Glass fiber mats may include a component of a roofing shingle. Glass fiber mats may be a facer, battery separator, a filtration media, or a backing mat.

METHOD FOR MANUFACTURING A BARRIER FILM COMPRISING HIGHLY REFINED CELLULOSE

The present invention relates to a method for manufacturing a barrier film comprising highly refined cellulose, said method comprising: a) providing a highly refined cellulose pulp suspension comprising highly refined cellulose pulp having a Schopper-Riegler (SR) number in the range of 40-98 as determined by standard ISO 5267-1 and a content of fibers having a length >0.2 mm of at least 7 million fibers per gram based on dry weight, at a consistency in the range of 0.1-1.5 wt %; b) forming a web of the highly refined cellulose pulp suspension and dewatering the web in a paper machine former on a wire to a consistency of at least 5 wt % to obtain a substrate web, wherein the white water removed from the pulp contains 2-25 wt %, preferably 5-20 wt % and more preferably at least 5-15 wt % of the solids of the highly refined cellulose pulp suspension provided in step a); c) optionally further dewatering and optionally drying the substrate web; d) coating the optionally further dewatered and optionally dried substrate web with a coating suspension comprising cellulose fines or microfibrillated cellulose to obtain a coated web; and e) dewatering and/or drying the coated web to obtain a barrier film comprising highly refined cellulose.

METHOD FOR MANUFACTURING A BARRIER FILM COMPRISING HIGHLY REFINED CELLULOSE

The present invention relates to a method for manufacturing a barrier film comprising highly refined cellulose, said method comprising: a) providing a highly refined cellulose pulp suspension comprising highly refined cellulose pulp having a Schopper-Riegler (SR) number in the range of 40-98 as determined by standard ISO 5267-1 and a content of fibers having a length >0.2 mm of at least 7 million fibers per gram based on dry weight, at a consistency in the range of 0.1-1.5 wt %; b) forming a web of the highly refined cellulose pulp suspension and dewatering the web in a paper machine former on a wire to a consistency of at least 5 wt % to obtain a substrate web, wherein the white water removed from the pulp contains 2-25 wt %, preferably 5-20 wt % and more preferably at least 5-15 wt % of the solids of the highly refined cellulose pulp suspension provided in step a); c) optionally further dewatering and optionally drying the substrate web; d) coating the optionally further dewatered and optionally dried substrate web with a coating suspension comprising cellulose fines or microfibrillated cellulose to obtain a coated web; and e) dewatering and/or drying the coated web to obtain a barrier film comprising highly refined cellulose.