Preparation and application of cationized pulp fiber as a papermaking wet-end additive

Wei Xie; Hai-li Feng; Xue-ren Qian

doi:10.1007/s11676-008-0039-y

Journal of Forestry Research ›› 2008, Vol. 19 ›› Issue (3) : 235 -238. DOI: 10.1007/s11676-008-0039-y

Research Paper

Preparation and application of cationized pulp fiber as a papermaking wet-end additive

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Abstract

Cationized pulp fibers (CPF) were prepared by the adsorption of a novel biodegradable cationic ester quaternary ammonium salt (31441) on bleached softwood kraft pulp fibers. The optimized conditions for the CPF preparation were: 4% of 31441 (based on oven-dry pulp), 80°C and 30 min. The CPF was characterized by FT-IR, SEM and XPS. Experimental results showed that the CPF improved the retention of precipitated calcium carbonate (PCC) filler significantly. With 0.9% CPF (based on oven-dry pulp), the retention of PCC increased from 57.53% to 72.21%. The physical properties of paper were also slightly improved. The tensile strength and burst strength of the paper with CPF were higher than those with CPAM. CPF addition had no effect on the stock drainage.

Keywords

cationized pulp fiber / cationic ester quaternary ammonium salt / papermaking wet-end additive

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Wei Xie, Hai-li Feng, Xue-ren Qian. Preparation and application of cationized pulp fiber as a papermaking wet-end additive. Journal of Forestry Research, 2008, 19(3): 235-238 DOI:10.1007/s11676-008-0039-y

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