Process for producing a thin resin film

Details Process for producing a thin resin film Process for producing a thin resin film

1985-08-19

1989-11-07

Lowe, James

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 86, 156108, 264 17, 264 21, 264311, 264330, B29D 701, B32B 3104

Patent

active

048789739

ABSTRACT:
A process for producing a thin film of unoriented cellulose ester held under uniform tension, the process including the steps of: casting a solution of cellulose ester in an organic solvent over a smooth glass plate and thereafter removing the solvent to form a thin film of a uniform thickness on the glass plate; permitting the thin film to separate from the glass plate by immersing the same into water; and recovering the thin film from the water and setting the wet film on a supporting mount, followed by drying the same.

REFERENCES:
patent: 4246054 (1981-01-01), Nester
patent: 4536240 (1985-08-01), Winn

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