Surface Phenomena in Waterbased Flexo Inks for Printing on Polyethylene Films
In the Flexographic printing of polyethylene films with waterbased flexo inks, the partitioning of the surfactants between film/ink, pigment/ water, ink/air interfaces plays a major role in determining the printability. In addition, in formulations containing nonionic surfactants the equilibrium surface properties are much different from the diffusion limited dynamic properties. Problems associated with the printability are examined from an analysis of the above surface chemical considerations.
KeywordsSurfactant HPLC Hydroxyl Foam Amide
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