A series of novel reactive cationic copolymers [P(CMDA-DMDAAC)s] of 3-chloro-2-hydroxypropylmethyldiallylammonium chloride (CMDA) and dimethyldiallylammonium chloride (DMDAAC), were designed as useful polycationic dye-fixatives on cotton fabric. The structures of obtained P(CMDA-DMDAAC)s could be controlled by varying molar ratios of raw materials of CMDA to DMDAAC during polymerization, and their molecular weights were possibly controlled by adjusting different polymerization conditions. The results showed that under the same conditions when the polymerization temperatures were kept at 60 °C for 6 h and then heated to 70 °C for 2 h, when the initial monomer concentrations (w/w) were increased from 23 to 40 % and the initiator amounts were gradually decreased from 7 to 6 %, a series of novel products P(CMDA-DMDAAC)s with 2–20 % molar contents of reactive units (CMDA units) in main chains and controlled intrinsic viscosities of 0.15–0.76 dL/g were successfully synthesized, which were as designed and could be expected as novel useful reactive polycationic dye-fixatives on cotton fabric.
Research on Chemical Intermediates – Springer Journals
Published: Mar 20, 2012
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