发明名称 METHOD OF MANUFACTURING PAPER PULP
摘要 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 aluminum 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, increased degree of paper pulp and kaolin retention, improved physico-chemical characteristics of paper, and reduced specific consumption of wood. 2 cl, 1 tbl, 5 ex
申请公布号 RU2130985(C1) 申请公布日期 1999.05.27
申请号 RU19980112442 申请日期 1998.06.24
申请人 INSTITUT KHIMII KOMI NAUCHNOGO TSENTRA URAL'SKOGO;OTDEL RAN 发明人 KUCHIN A.V.;DEMIN V.A.;OSIPOVA G.JA.;KOCHEVA L.S.;LEPLJANIN G.V.;SHAUL'SKIJ JU.M.;GIZATULIN R.R.;ANTONOVA L.F.
分类号 D21H23/04;D21H17/43;D21H17/45;D21H17/55;D21H17/56;D21H27/00;(IPC1-7):D21H23/04 主分类号 D21H23/04
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