G - Physics – 02 – B
Patent
G - Physics
02
B
117/3.5
G02B 5/24 (2006.01) G03F 3/10 (2006.01)
Patent
CA 1258602
TITLE Process for the Production of Multicolor Proofs Using Precolored Toning Films ABSTRACT The invention relates to a process for producing an image on a light-sensitive tonable layer comprising the steps of: A) exposing the light-sensitive layer imagewise to produce imagewise tacky and complementary non-tacky areas; B) bringing the imagewise-exposed layer into surface-to-surface contact with a supported non-photosensitive transfer layer containing at least one finely divided powder and/or a dissolved dye in a binder; and C) separating the transfer layer from the light-sensitive layer, whereby the transfer layer adheres selectively to the imagewise tacky areas, the improvement wherein, the binder of the transfer layer consists essentially of a) about 55-97 wt.% of at least one polymer in the form of a powder having a minimum film-forming temperature of above 50°C, and b) about 3-45 wt.% of at least one thermoplastic and/or one thermoplastic-elastomeric polymer, having a minimum film-forming temperature when used as a latex, or, a glass transition temperature when used as a dissolved polymer. which is at least 10°C lower than the minimum film-forming temperature of polymer (a), whereby polymer phases (a) and (b) are incompatible.
542665
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
LandOfFree
Process for the production of multicolor proofs using... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for the production of multicolor proofs using..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the production of multicolor proofs using... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1300704