Ply for a board from an in-line production process
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United States of America Patent
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Jan 9, 2018
Grant Date -
Nov 5, 2015
app pub date -
Nov 6, 2013
filing date -
Nov 9, 2012
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Abstract
A ply for a paper and paperboard made from a ply substrate material, wherein the ply comprises a hybrid material, in an amount of 1-25 wt-% of the ply, wherein the hybrid material is introduced into a target suspension of the short circulation of a fibrous web forming process of a fibrous web machine, in an in-line process, wherein said target suspension forms the ply substrate material, and the hybrid material comprises an alkaline earth carbonate precipitated onto or into fibers or fibrils of a nanofibrillated polysaccharide.
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