Stable and Aqueous Compositions of Polyvinylamines with Cationic Starch, and Utility for Papermaking
First Claim
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1. A stable aqueous composition comprising polyvinylamine and liquid cationic starch in a ratio of from 90 to 55 parts of polyvinylamine on active basis to 10 to 45 parts of liquid cationic starch on active basis, wherein the combined parts in active of liquid cationic starch and polyvinylamine comprise at least 40 weight % of the total solids of the composition.
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Abstract
A stable aqueous composition comprising polyvinylamine and liquid cationic starch in a ratio of from 90 to 55 parts of polyvinylamine on active basis to 10 to 45 parts of liquid cationic starch on active basis is disclosed. The composition can be used in papermaking as a strength or as a drainage aid.
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20 Claims
- 1. A stable aqueous composition comprising polyvinylamine and liquid cationic starch in a ratio of from 90 to 55 parts of polyvinylamine on active basis to 10 to 45 parts of liquid cationic starch on active basis, wherein the combined parts in active of liquid cationic starch and polyvinylamine comprise at least 40 weight % of the total solids of the composition.
Specification