High-strength joint tape base paper and preparation method thereof

The invention discloses a high-strength joint tape base paper. The main raw material of the base paper is needle wood pulp, and the base paper is characterized by comprising thermo-mechanical pulp, chemical fibers, and a sizing agent, wherein the weight of the thermo-mechanical pulp is 20-30% the dr...

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Bibliographische Detailangaben
Hauptverfasser:	SANG RUYUE, ZHU YAN, HU HAIBING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	IMPREGNATING OR COATING OF PAPER METHODS OF PRODUCING PAPER THEREON PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PAPER-MAKING MACHINES PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung:	The invention discloses a high-strength joint tape base paper. The main raw material of the base paper is needle wood pulp, and the base paper is characterized by comprising thermo-mechanical pulp, chemical fibers, and a sizing agent, wherein the weight of the thermo-mechanical pulp is 20-30% the dried weight of the high-strength joint tape base paper, the weight of the chemical fibers is 10-30% the dried weight of the high-strength joint tape base paper, and the weight of the sizing agent is 8-15% the dried weight of the high-strength joint tape base paper. A preparation method for the high-strength joint tape base paper comprises the following steps: beating, pulp proportioning, slushing, papermaking, squeezing and baking, sizing, and drying. The thermo-mechanical pulp is added to the base paper, so that the bulk and the glue adsorbing property of the base paper can be increased, and the base paper has the advantages of high strength, good formation, high wet-dry strength, high crack resistant strength, and