| abstract |
Hydrophobically modified poly (aminoamides) useful as fixing rubber separators for rubber and pitch control in process for paper production are described herein. These polymers are prepared via modification of water-soluble poly (aminoamides) containing amine with hydrophobic compounds containing reactive functional group, in particular, poly (aminoamides) which can be modified, under appropriate reaction conditions, with alkyl alkyl glycidyl ether. long, AKD (alkyl kethene dimer), ASA (alkylsuccinyl anhydride), or QAB (3-chloro-2-hydroxypropyl-N, N, N-dimethylalkyl ammonium chloride). These novel polymers are effective in inhibiting the deposit of organic pollutants in systems to produce pulp and paper. |