B - Operations – Transporting – 41 – M
Patent
B - Operations, Transporting
41
M
42/10, 6/220, 6/
B41M 5/124 (2006.01)
Patent
CA 1145903
Abstract of the Disclosure A novel coating composition is disclosed comprising oil- containing microcapsules dispersed in an aqueous continuous phase, which phase also contains finely divided silica particles and a binder for said microcapsules and said silica particles. The silica particles have been treated with an organic material such as an organic silicon compound to give the particles a hydrophobic surface. The coating composition has utility in the manufacture of paper coated with microcapsules. Such paper is characterized by a substantial reduction of specking when used in photocopying apparatus which utilizes a pressure nip to assist transfer of a powder image from a photoreceptor belt to the paper. In a preferred form, the oil contains a color precursor of the electron donation type and the aqueous composition contains stilt material such as starch particles. The coating composition is applied to paper to form a transfer coating on copy paper, said copy paper having utility in the production of multi-part forms.
359380
Ridout & Maybee Llp
The Mead Corporation
LandOfFree
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