Bioriented polyethylene film with a high water vapor transmission rate

作者: Rhonda Rogers Agent , Hans Joachim Pip

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摘要: Methods of producing polyethylene films having a desired water vapor transmission rate (WVTR) are provided. The methods include casting sheet which has base layer and cavitating agent, at least one WVTR-controlling material, subsequently biaxially orienting the to yield film WVTR. porous microstructure WVTR substantially higher than

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