COMPOSITIONS AND METHODS FOR IMPROVING FLUID-BARRIER PROPERTIES OF POLYMERS AND POLYMER PRODUCTS
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United States of America Patent
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Issued Date -
Feb 5, 2015
app pub date -
Jun 20, 2012
filing date -
Jun 24, 2011
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Abandoned
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Abstract
In some variations, this disclosure provides compositions for reducing fluid permeability through a polymer membrane, the composition comprising a polymer (e.g., bromobutyl rubber) and mineral particles (e.g., kaolin particles) including fine particles with particle sizes between about 0.05 μm and about 1 μm and coarse particles with particle sizes between about 3 μm and about 20 μm. Applications for these improved-barrier polymers include tire innerliners, paint and paper coatings, films, adhesives, liners, paints, and hoses, for example. Methods of making and use these polymers are also disclosed.
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