Recording material and method of manufacture

Details Recording material and method of manufacture Recording material and method of manufacture

G - Physics

03

G

G03G 7/00 (2006.01) B05D 3/02 (2006.01)

Patent

CA 2188435

A toner receiver sheet having excellent adhesion to toner particles, as well as optical clarity and physical properties that reduce or eliminate sheet feeding problems in automatic copying machines, is prepared by coating on each side of a transparent polymeric support (10) a thin toner-receiving surface layer (11, 12) of a dilute aqueous colloidal solution consisting of an acrylic polymer, an electrically conductive organic compound and a small concentration of transparent, non-light scattering polysiloxane beads (13, 14, 15, 16). The thin toner-receiving surface layer (11, 12) is dried and cured to form on the support a water-insoluble acrylic layer less than 2 microns thick and affixed thereto a distribution of widely spaced apart transparent polysiloxane beads having a diameter of 10 to 15 microns (13, 14, 15, 16).

Une feuille réceptrice de toner offre une excellente adhérence aux particules de toner, ainsi qu'une clarté optique et des propriétés physiques qui réduisent ou éliminent les problèmes d'alimentation en feuilles des photocopieuses. On la prépare en revêtant chaque côté d'un support polymère transparent (10) d'une fine couche de surface (11, 12) réceptrice de toner, constituée d'une solution colloïdale aqueuse diluée consistant en un polymère acrylique, un composé organique électroconducteur et une faible concentration de billes de polysiloxane (13, 14, 15, 16) transparentes ne diffusant pas la lumière. Cette mince couche de surface (11, 12) réceptrice de toner est séchée et polymérisée pour former sur le support une couche acrylique insoluble à l'eau, épaisse de moins de 2 µm, sur laquelle sont fixées et largement dispersées des billes transparentes de polysiloxane d'un diamètre de 10 à 15 microns (13, 14, 15, 16).

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