公开(公告)号：US3778431A

公开(公告)日：1973-12-11

申请号：US3778431D

申请日：1972-10-16

Applicant: STANDARD BRANDS INC

Inventor： KIGHTLINGER A ,  CROSBY E ,  SPEAKMAN E

IPC: C08B31/00 ,  C08B31/12 ,  C08B19/06

CPC classification number: C08B31/006 ,  C08B31/125

Abstract: A GELATINIZABLE CROSSLINKED CATIONIC STARCH ESPECIALLY SUITABLE FOR PAPER SIZING IS PRODUCED BY (1) REACTING STARCH WITH AN ALKALI-CATALYZABLE CROSSLINKING AGENT AND THE REACTION PRODUCT OF THE CROSSLINKING AGENT WITH AMMONIA OR WITH AN AMINE AND (2) DEPOLYMERIZING THE RESULTANT CATIONIC CROSSLINKED PRODUCT.