Paper strength improving additives, their manufacture and use in paper making
AssigneeKemira Oyj
InventorsChen Lu, Jenna Rabideau
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Abstract
The present invention relates to a polymer composition comprising an anionic polymer composite having a synthesized polymer portion and a polysaccharide portion, obtainable by polymerizing vinyl monomers in the presence of the polysaccharide. The present invention further relates to a strength system and methods of production and use in providing a paper product.
Claims12
A polymer composition comprising an anionic polymer composite having a synthesized polymer portion and an anionic polysaccharide portion, obtainable by polymerizing vinyl monomers in the presence of an anionic polysaccharide, wherein said anionic polymer composite has a weight ratio of the anionic polysaccharide portion to the synthesized polymer portion in the range of 0.1:10-5:1 (dry/dry).
Dependencies are inferred from the claim text.