Encapsulated activated carbon and the preparation thereof
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United States of America Patent
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Jan 6, 2015
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app pub date -
Feb 14, 2012
filing date -
Dec 14, 2007
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Abstract
The present invention relates to encapsulated activated carbon and a method of preparing the same to protect the structure of the activated carbon and preserve the odor absorbing capability of the activated carbon particles. Particularly, the present invention is directed to a polymer article having odor absorption capabilities comprising a film comprising a matrix polymer and activated carbon particles at least partially encapsulated with a non-water soluble amorphous polymer, wherein the non-water soluble amorphous polymer is incompatible with the matrix polymer. The polymer article can be a bag.
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