METHOD OF MANUFACTURING PAPER PULP

FIELD: pulp-and-paper industry. SUBSTANCE: invention relates to production of printer's paper. Water- fibrous dispersion of cellulose fiber is prepared, which is supplemented, glued, and precipitated with coagulant and flocculant, the former being titanyl sulfate and ammonium sulfate and the la...

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Bibliographische Detailangaben
Hauptverfasser:	KOCHEVA L.S, SHAUL'SKIJ JU.M, OSIPOVA G.JA, LEPLJANIN G.V, KUCHIN A.V, DEMIN V.A, FROLOVA S.V
Format:	Patent
Sprache:	eng
Schlagworte:	IMPREGNATING OR COATING OF PAPER PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING 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:	FIELD: pulp-and-paper industry. SUBSTANCE: invention relates to production of printer's paper. Water- fibrous dispersion of cellulose fiber is prepared, which is supplemented, glued, and precipitated with coagulant and flocculant, the former being titanyl sulfate and ammonium sulfate and the latter: polysulfone-pyrrolidinium chloride, MW 2500-3000; or copolymer of methacrylamide with methacrylic acid ammonium salt, MW 10000-100000; or piperylene-acrylonitrile copolymer, MW 10000; or piperylene-methacrylic acid copolymer, MW 10000. EFFECT: enhanced efficiency of paper production, improved physico-chemical characteristics of paper, and reduced specific consumption of wood. 2 cl, 1 tbl, 5 ex