Polyurethane based inks for writing instruments
作者： Qingping Chen , Michael T. Nowak
DOI:
关键词: Chemical engineering 、 Plasticizer 、 Flexographic ink 、 Corrosion 、 Isocyanate 、 Materials science 、 Dispersant 、 Polyurethane 、 Thermoplastic polyurethane 、 Inkwell 、 Composite material
摘要: A non-erasable ink composition suitable for use in writing instruments is described comprising an isocyanate free thermoplastic polyurethane resin, a colorant and organic solvent. The may also include second plasticizers, antioxidants, corrosion inhibitors, lubricants, chemical dispersants, surfactants. inks of the present invention exhibit smooth performance non-seepage.
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