Element comprising a coating layer containing a mixture of a cat

Stock material or miscellaneous articles – Composite – Of polycarbonate

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96 67, 96 83, 96 87A, 961142, 961145, 106125, 427414, 428474, 428477, 428480, 428523, 428532, 428537, G03C 176, C09D 304

Patent

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040136965

ABSTRACT:
A combination of improved coatability of a coating composition onto an anionic surfactant-containing contiguous layer of a radiation-sensitive or non-radiation sensitive film element, plus better control of static electricity on the resulting coated film element, especially on a radiation sensitive photographic element, results from using a coating composition containing a surfactant mixture of (a) a certain type of cationic perfluorinated alkyl surfactant, such as perfluorooctylsulfonamido-(N-propyl-3-N,N,N-trimethyl) ammonium iodide, with (b) a certain type of nonionic alkylphenoxypoly(propylene oxide) surfactant, such as para-isononylphenoxy decaglycidol, as a coating aid in the application of fluid coatings, preferably by simultaneous coating techniques, to form multiple layers in an element during the making of the element. The presence of a hydrophilic polymeric binder, such as gelatin, in the coating composition is desirable.

REFERENCES:
patent: 3775126 (1973-11-01), Babbitt et al.
patent: 3811889 (1974-03-01), Endou et al.

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