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Nature 415, 383 (24 January 2002) | doi:10.1038/415383a
Daedalus: Electric air drier
David Jones
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Abstract
Most plastic films have long polymer molecules that lie in the plane of the film. A film with its molecules oriented perpendicular to the plane would be highly porous making it suitable for some novel applications.
All modern plastic films have long-chain molecules. Stretching aligns them in the plane of the film, making the film stronger and highly impermeable to small molecules.
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