Printing ink

An inkjet ink having a viscosity of 30-100 mPa s at 40°C comprises 40-90 wt.% multifunctional monomer and 10-30 wt.% polymeric photoinitiator. Typically, the multifunctional monomer is a multifunctional (meth)acrylate, such as ethoxylated trimethylolpropane triacrylate (EOTMPTA), propoxylated trimet...

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Bibliographische Detailangaben
Hauptverfasser:	Angelique Runacre, Matthew Kite
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	An inkjet ink having a viscosity of 30-100 mPa s at 40°C comprises 40-90 wt.% multifunctional monomer and 10-30 wt.% polymeric photoinitiator. Typically, the multifunctional monomer is a multifunctional (meth)acrylate, such as ethoxylated trimethylolpropane triacrylate (EOTMPTA), propoxylated trimethylolpropane triacrylate (PoTMPTA), glycerolpropoxy triacrylate (GPTA), propoxylated pentaerythritol triacrylate, ethoxylated pentaerythritol tetraacrylate (EOPETTA), di-trimethylolpropane tetraacrylate (DiTMPTA), or di-pentaerythritol hexaacrylate (DPHA). The polymeric photoinitiator may be a thioxanthone, benzophenone, phosphine oxide, or alpha-amino ketone. The ink may comprise two or more polymeric photoinitiators,