Water-in-oil emulsified ink for porous printing

Application Number: 00126352
Application Date: 2000.09.08
Publication Number: 1289806
Publication Date: 2001.04.04
Priority Information: 2000/5/29 JP 158854/00; 1999/9/28 JP 273590/99
International: C09D11/02
Applicant(s) Name: Tohoku Ricoh Co., Ltd.
Inventor(s) Name: kaibara Koshi;Asada Keisuke
Patent Agency Code: 72001
Patent Agent: wei jinxi
Abstract To provide a water-in-oil emulsion ink for stencil printing which causes little staining at roller traces, strike-through and blur and shows an excellent shelf stability, set-off preventing property, etc. The water-in-oil emulsion ink for stencil printing has a Casson plastic viscosity at 23 deg.C of <=0.4 (Pa.s) preferably <=0.2 (Pa.s), more preferably <=0.15 (Pa.s)} and preferably has a Casson yield value at 23 deg.C in an oil phase of >=0.3 (Pa).