abstract |
Starch is modified with at least one cationic polymer P) and the modified starch is prepared by a process in whicha) an anionically modified starch A) is reacted with a cationic polymer P) orb) a natural starch B) or a starch C) which has not been anionically modified is reacted with the cationic polymer P) in the presence of an anionic modifier M)and the polymer-modified starch is used. |