B - Operations – Transporting – 41 – M
Patent
B - Operations, Transporting
41
M
B41M 5/124 (2006.01) D21H 19/40 (2006.01) D21H 27/00 (2006.01) G03C 7/00 (2006.01)
Patent
CA 2154167
A composition suitable for use as a pad-coat or release coating for carbonless paper constructions, the composition containing about a) 0.1-10.0 weight percent inorganic colloid having a particle size in the range of about 1-125 nm; b) 0.1-5.0 weight percent abherent material; c) 60.0-99.9 weight percent water, and d) 0-25 weight percent binder, based upon the total weight of the coating composition. In a preferred embodiment, colloidal silica is utilized. Also disclosed is a carbonless paper construction with at least a portion of at least one outer surface having the inventive pad-coat or release coating applied thereto. The incorporation of inorganic colloidal particles into carbonless paper pad-coats results in an increase in the coefficient of friction of the pad coated surface; increase in toner adhesion and ink receptivity of the pad-coated surface; promotes uniform feeding of carbonless paper sheets into photocopiers and printing presses by reducing misfeeds and double feeds; and reduces feeder induced smudging. It does this without loss of the abhesive release effect provided by the pad-coat and without loss of the fan-out ability to produce form-sets.
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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