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Cellulose–polypyrrole (PPy) conductive paper composite was prepared using an in situ chemical polymerization process, and its conductivity stability was investigated. When the PPy-coated pulp fibers were dipped in an alkaline solution or the paper composite was exposed to an alkaline environment, the conductivity stability became poor. Contrarily, if the PPy-coated pulp fibers were dipped in an acidic...
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...
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