COMPOSITIONS FOR SYNTHETIC PAPERS AND ECOLOGIC FILMS FOR WRITING AND PRINTING, SYNTHETIC PAPERS AND FILMS OBTAINED FROM SUCH COMPOSITIONS, AND USES THEREOF
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United States of America Patent
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Issued Date -
May 13, 2010
app pub date -
Apr 15, 2008
filing date -
Apr 16, 2007
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Abandoned
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Abstract
Compositions for synthetic papers, flat and tubular films, and coextruded films for writing and printing are described, from recycled and virgin thermoplastic polymers, mineral loads and additives-based composites, and using multilayer or monolayer processes of biaxial or monoaxial orientation. Polyolefinic polymers such as polypropylene (PP), polyethylene and its copolymers, in addition to styrenic polymers, are used in the form of recycled materials, preferably, and virgin ones. The recycled polymers used embrace not only those from postconsumption, but also the industrial residues. This invention differs from the others or by the preferential use of recycled post-consumption residues, mainly, or by the compositions, or by the distinct materials or processes applied in the production of synthetic paper sheets or films.
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