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