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US 2019/0376234 A1Published application
Lightweight Paper Board
AssigneeFlex R&D Inc.
InventorPRAKASH MALLYA
Life of this patent
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Abstract
A fibrous material, method for making the same, and articles comprising the same are shown and described. The fibrous material is a low density material that exhibits high strength properties. In embodiments, the fibrous material has a density of 0.15 g/cm3 or less and a tensile strength of 10 N/inch or greater. The fibrous material may be in the form of a paperboard and is suitable for use in a variety of applications including as a packaging material.
Claims26
-27. (canceled)
A composition forming a foamed structure, comprising:
- (a) a fibrous material selected from a group including a cellulosic fiber, or a combination of the cellulosic fiber and a synthetic fiber;
- (b) a fibrillated cellulose selected from a group including a microfibrillated cellulose, a nanofibrillated cellulose, or a combination thereof;
- (c) a wet strength cross-linker;
- (d) a surfactant;
- and
- (e) water.
3 more elements
Dependencies are inferred from the claim text.