| abstract |
The invention relates to selectively permeable films and liquids and tubular structures based on a copolymer which is composed of copolymerized fluorinated olefin, copolymerized vinyl acetate and optionally copolymerized olefin, the acetate groups of the copolymer optionally being saponified to give OH groups, wherein the Films or tubular structures each have inherent latent structural convertibility.n n n The invention also includes methods for producing the designated shaped bodies and methods for their structural conversion.n n n The invention further relates to the use of moldings according to the invention. |