Thermoplastic hydrophilic polymeric compositions for moisture vapour permeable structures
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United States of America Patent
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Issued Date -
Sep 11, 2003
app pub date -
Mar 26, 2003
filing date -
Oct 2, 2000
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Abandoned
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Abstract
The present invention relates to thermoplastic hydrophilic polymeric compositions for making a liquid impermeable moisture vapor permeable structure, for example by forming the composition into a layer or film. The thermoplastic compositions comprise selected thermoplastic polymers and selected compatible plasticiser that provide the thermoplastic hydrophilic composition with a desired tackiness level, without impairing the moisture vapor permeability of films or layers made from the thermoplastic hydrophilic polymeric compositions. The layers made from the thermoplastic hydrophilic polymeric compositions of the present invention can find a variety of applications wherein liquid imperviousness and moisture vapor permeability are desirable.
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