Modified opacifying composition for paper
AssigneeSequa Chemicals, Inc.
InventorsLouis R. Dragner, Bernard F. North
Life of this patent
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Abstract
A composition is provided for use as an additive to the pulp slurry of cellulose fibers in the papermaking process. The composition contains the reaction product of fatty acid and diamine to which is added a glyoxal compound, wherein the composition further includes a surfactant.
Claims12
A composition for addition to a pulp slurry of cellulose fibers during a papermaking process for enhancing opaqueness of a paper produced from said pulp comprising the reaction products formed from the reaction of fatty acid and diamine, to which is added a glyoxal compound in an amount effective to increase brightness of the paper produced and wherein said composition further includes a surfactant.
Dependencies are inferred from the claim text.