BIOPOLYMER-BASED BINDERS

摘要

The invention provides the use of carbohydrates carrying aldehyde and/or carboxyl groups, as binders, thickeners, and rheology modifiers in e.g. coatings (such as primers, paints, lacquers and varnishes), inks and adhesives. The oxidised carbohydrates are especially starch-like polymers having relatively high degrees of substitution for carboxyl groups and additionally contain aldehyde groups. They are present in concentrated solutions. Typically they are chemically crosslinked.