Coated film

B - Operations – Transporting – 32 – B

Patent

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96/189, 117/237

B32B 7/06 (2006.01) B05D 3/00 (2006.01) C08J 7/06 (2006.01) G03F 7/09 (2006.01) G03F 7/20 (2006.01) G03F 7/26 (2006.01)

Patent

CA 1148040

Abstract of the Disclosure It has been found that thin oriented polypropylene film can be coated with a submicron thickness of an alkali metal silicate. The thus coated film gives excellent results when used to separate the negative from the liquid photopolymer in preparing plastic printing plates.

345010

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