发明名称 THE METHOD FOR PREPARING NEUTRAL PAPER
摘要 A manufacturing method for thin neutral paper has process such as 1) adding sodium bicarbonate to pulp for solution; 2) addmixing calcium carbonate as filler 3) adding an oil solution of alkyl succinic anhydride dispersed into positive ionic starch derivatives as waterproof agent. The waterproof agent may be replaced by the mixture of alkyl ketene dimer, denaturalized derivatives of positive ionic acrylamide, and polyacrylamide polyamine resin. According to the invention, the quaity is improved to enhance the tear and burst strength of the paper with good absorption of ink and prevent discoloration and deterioration.
申请公布号 KR870001578(B1) 申请公布日期 1987.09.04
申请号 KR19850005354 申请日期 1985.07.26
申请人 SAMIL GONGSA CO.,LTD. 发明人 KANG, SUN-SOK
分类号 (IPC1-7):D21H3/02 主分类号 (IPC1-7):D21H3/02
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