发明名称 METHOD FOR PRODUCING BLEACHED KRAFT PULP AND PRINTING PAPER
摘要 PROBLEM TO BE SOLVED: To provide a method for producing a bleaclhed kraft pulp reduced in generation of a vessel pick and to obtain a printing paper using the pulp in the production of the bleached kraft pulp in which a wood having large vessel is used as a raw material and effective corrective method therefor has not been established. SOLUTION: This method for producing the bleached kraft pulp is characterized by comprising carrying out an acid treatment and then chlorine dioxide bleaching after carrying out oxygen bleaching to reduce the generation of the vessel pick in the method for producing the bleached kraft pulp using the wood having large vessel as the raw material. The method for producing the bleached kraft pulp is characterized in that sulfuric acid is preferably used in the acid treatment. The printing paper is obtained by using the bleached kraft pulp produced by the method for producing the bleached kraft pulp.
申请公布号 JP2001248084(A) 申请公布日期 2001.09.14
申请号 JP20000053479 申请日期 2000.02.29
申请人 MITSUBISHI PAPER MILLS LTD 发明人 FURUI MASAMI
分类号 D21C9/10;D21C9/14;D21H11/04;(IPC1-7):D21C9/10 主分类号 D21C9/10
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