发明名称 PASTE-COATED PAPER FOR STAMP AND ITS PRODUCTION
摘要 PROBLEM TO BE SOLVED: To obtain a paste-coated paper for a stamp, hardly causing blocking and curl even if the environmental condition of temperature and moisture is changed, having a constant initial adhesive force, and capable of being peeled again under a prescribed condition, and further to provide the production method thereof. SOLUTION: This production process of a paste-coated paper for coating and drying a paste liquid containing 45-49% polyvinyl alcohol(PVA) having 300-400 averaged polymerization degree and 88±2 (mol/%) saponification degree, 45-49% polyvinyl acetate emulsion(PVAc emulsion) containing no plasticizer added thereto and having 10-15 deg.C lowest film-forming temperature, and 2-10% sorbitol on the back face of a coated paper or one face of a base paper, pressurizing and finishing the obtained paper with the paste by subjecting the paper to a calender.
申请公布号 JP2000170098(A) 申请公布日期 2000.06.20
申请号 JP19980348648 申请日期 1998.12.08
申请人 PRINTING BUREAU MINISTRY OF FINANCE JAPAN 发明人 KURATA TSUYOSHI
分类号 G09F3/10;C09J129/04;C09J131/04;D21H19/20;D21H27/00;(IPC1-7):D21H27/00 主分类号 G09F3/10
代理机构 代理人
主权项
地址