Water-based ink for ink jetting and ink jet recording method

Details Water-based ink for ink jetting and ink jet recording method Water-based ink for ink jetting and ink jet recording method

2008-09-16

2008-09-16

Pezzuto, Helen L. (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S542000, C524S800000, C524S812000, C106S031130, C106S031270, C106S031570, C347S100000

Reexamination Certificate

active

11319170

ABSTRACT:
A water-based ink for ink jetting and ink jet recording method, in which stable jetting, clearness of the recorded matter, high density recording, water resistance, and friction resistance are well-balanced, and being useful for ink for various types of ink jet recording. After 5% of the water soluble colored resin comprising 5,5′-dimethylhydantoinformaldehyde resin and color index number basic red 1:1 and 10% of polyethyleneglycol (average molecular weight 200) and 6% of triethyleneglycolmonometylether and 79% of pure water are fully stirred to be mixed, the mixture is filtered with a membrane filter of 0.8 μm thickness to become ink. Experimental evaluation using the recording head regarding jetting stability, jetting response, quality of the recorded images, friction resistance against various recording materials, and water resistance against various recording materials is made, and good results are obtained.

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