Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified backing or protective layer containing
Patent
1984-06-08
1986-04-15
Brammer, Jack P.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified backing or protective layer containing
430529, 430531, 430536, 430537, 428413, 428447, 428532, G03C 194
Patent
active
045827826
ABSTRACT:
A photographic base is protected against the adverse effects resulting from the accumulation of static electrical charges by providing it with a first antistatic hydrophilic layer and a second protective hydrophobic layer coated onto said first layer, said first layer having been formed by coating onto said base a liquid coating composition comprising a hydrophilic non-diffusing sulfonated polymer in the presence of an epoxy-silane compound. The antistatic base is particularly useful for photographic elements comprising at least one photosensitive image-forming layer, on one side thereof, and the first antistatic layer and the second protective layer on the opposite side thereof. The antistatic layer is durable, abrasion-resistant, non-tacky and can withstand the aqueous photographic processings without adverse effects.
REFERENCES:
patent: 3525621 (1970-08-01), Miller
patent: 3786902 (1974-01-01), van Paesschen et al.
patent: 3856530 (1974-12-01), van Paesschen et al.
patent: 4004327 (1977-01-01), van Paesschen et al.
Brammer Jack P.
Litman Mark A.
Minnesota Mining and Manufacturing Company
Sell Donald M.
Smith James A.
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