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Papermaking technology

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Title:
Papermaking technology
Author: LIU XIANGFEI ; MA PIAO ; QIN YUNCHANG ; WANG RENRONG
Subjects: CHEMISTRY ; COMPOSITIONS BASED THEREON ; DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS ; IMPREGNATING OR COATING OF PAPER ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; PAPER NOT OTHERWISE PROVIDED FOR ; PAPER-MAKING ; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D ; PRODUCTION OF CELLULOSE ; PULP COMPOSITIONS ; TEXTILES ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
Description: A papermaking technology comprises the following steps: providing nanometer cellulose with the carboxyl content of 0.2-1.5 mmol/g and the average diameter of 100 nm or less, taking the nanometer cellulose as retention-assisting filtering-assisting agent and adding into paper pulp to form a mixed pulp, wherein the addition amount of the nanometer cellulose is 100-10000 ppm based on the bone dry pulp of the paper pulp; and utilizing the mixed pulp to make paper. Compared with a conventionally employed inorganic particle retention assisting technology, the provided papermaking technology is capable of improving the retention-assisting filtering-assisting performances, and also is capable of enabling the strength performance of the made paper to keep or exceed the strength performance of paper prepared by employing the conventional technology.
Creation Date: 2014
Language: Chinese;English
Source: esp@cenet

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Papermaking technology

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