Inkjet recording element

Details Inkjet recording element Inkjet recording element

2005-05-10

2005-05-10

Shewareged, B. (Department: 1774)

Stock material or miscellaneous articles

Ink jet stock for printing

Particles present in ink receptive layer

C428S032280, C428S032300, C428S032370

Reexamination Certificate

active

06890610

ABSTRACT:
A recording element comprising a support having thereon an image-receiving layer, said recording element containing core-shell particles wherein said core comprises an inorganic or organic particle and said shell comprises an organosilane or a hydrolyzed organosilane derived from a compound having the formula:in-line-formulae description="In-line Formulae" end="lead"?Si(OR)aZbin-line-formulae description="In-line Formulae" end="tail"?whereinR is hydrogen, or a substituted or unsubstituted alkyl group having from 1 to about 20 carbon atoms or a substituted or unsubstituted aryl group having from about 6 to about 20 carbon atoms;Z is an alkyl group having from 1 to about 20 carbon atoms or aryl group having from about 6 to about 20 carbon atoms, with at least one of said Z's having at least one primary, secondary, tertiary or quaternary nitrogen atom;a is an integer from 1 to 3; andb is an integer from 1 to 3;with the proviso that a+b=4; andwith the further proviso that the amount of organosilane shell material is such that Ratio R, which is the number of micromoles of organosilane used to shell the core particles to the total core particles' surface area (in m2), is greater than 10.

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patent: 1 184 194 (2002-03-01), None

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