Amphoteric starches used in papermaking

This invention relates to a process of papermaking wherein amphoteric starch containing a phosphate component and made by a select process is added to the wet end of the papermaking system to provide paper with good drainage and other improved properties. The use in papermaking of an amphoteric star...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Bindzus, Wolfgang, Altieri, Paul A
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:This invention relates to a process of papermaking wherein amphoteric starch containing a phosphate component and made by a select process is added to the wet end of the papermaking system to provide paper with good drainage and other improved properties. The use in papermaking of an amphoteric starch additive which contains a phosphate functional group and is made under anhydrous conditions while in a fluidized state, provides advantageous paper properties and improved wet end performance.