AV FUNKTIONALISERADE, AV MED POLYAKRYLAMID TVAERBUNDNA STAERKELSEPOLYMERER BESTAOENDE VAOTSTYRKA FOERBAETTRANDE TILLSATSMEDEL.

摘要

A functionalised polyacrylamide grafted starch useful as a paper wet strength additive wherein at least 5 weight percent of the corresponding polyacrylamide grafted starch polymer is polyacrylamide and comprising substituents derived from one or more materials containing two or more aldehyde units, e.g. glyoxal.