Preparation method of cationic polyvinyl alcohol and preparation method of paper

The invention discloses a preparation method of cationic polyvinyl alcohol and a preparation method of paper. The preparation method of cationic polyvinyl alcohol comprises the following steps: providing synthetic raw materials of cationic polyvinyl alcohol; and reacting through the synthetic raw ma...

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Bibliographische Detailangaben
Hauptverfasser:	TIAN WEISHI, WU TAIKUN, WANG JUNMING, ZHANG WEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON IMPREGNATING OR COATING OF PAPER MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS 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
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Beschreibung
Zusammenfassung:	The invention discloses a preparation method of cationic polyvinyl alcohol and a preparation method of paper. The preparation method of cationic polyvinyl alcohol comprises the following steps: providing synthetic raw materials of cationic polyvinyl alcohol; and reacting through the synthetic raw materials by virtue of a reaction extrusion method, so as to obtain cationic polyvinyl alcohol. According to the preparation method, the reaction efficiency and substitution degree of cationic polyvinyl alcohol can be increased, a preparation process of cationic polyvinyl alcohol is simplified, and the energy loss and the production cost in the preparation process are lowered. 本发明公开了种阳离子聚乙烯醇制备方法及纸张制备方法，其中阳离子聚乙烯醇制备方法包括：提供阳离子聚乙烯醇的合成原料；通过反应挤出法，使所述合成原料发生反应而制备得到所述阳离子聚乙烯醇。通过上述方式，本发明能够提高阳离子聚乙烯醇的反应效率和取代度，简化阳离子聚乙烯醇的制备工艺，降低制备过程的能源损耗和生产成本。