A coating for an ink jet printhead front face, wherein the coating comprises {HEAD ~ a structured organic film} comprising {TAIL ~ a plurality} of segments, a plurality of linkers arranged as a covalent organic framework 
A coating for an ink jet printhead front face , wherein the coating comprises { HEAD ~ a structured organic film } comprising { TAIL ~ a plurality } of segments , a plurality of linkers arranged as a covalent organic framework
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH