| abstract |
HIGH MOLECULAR WEIGHT, CHAIN EXTENDED COPOLYMIDEPOLYAMINE RESIN COMPOSITONS COMPRISING THE REACTION PRODUCT OF A CHAIN EXTENSION REAGENT WITH A COPOLYAMIDEPOLYAMINE INTERMEDIATE WHICH COMPRISES THE REACTION PRODUCT OF A LACTONE OR AN ALKYLESTER OF ACRYLIC OR METHACRYLIC ACID, A POLYALKYLENE POLYAMINE AND A CARBOXYLIC ACID REAGENT. THE RESULTING RESIN COMPOSITIONS DISPLAY GREATER VERSATILITY IN VARIOUS APPLICATIONS SUCH, FOR EXAMPLE, AS WET STRENGTH AND PIGMENT RETENTION ADDITIVES IN THE PAPER MAKING PROCESS. |