Barrier film with reclaimed metalized polyester
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United States of America Patent
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Jun 13, 2017
Grant Date -
May 29, 2014
app pub date -
Jan 31, 2014
filing date -
May 7, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A method reclaims metalized polymer film or mixtures containing metal and/or metal alloys into a metal-containing, polymeric film. The resulting film structure has better oxygen and moisture barrier properties when metalized than plain metalized polymer films. The polymer to be reclaimed, originates in sheet form, and is densified, as by shredding, pelletizing and/or re-extruding into fine particulate form such as chips or pellets. The reclaimed polymeric film can be used, in a range of concentrations, to produce biaxially oriented polyester film for metalizing.
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International Classification(s)
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- A23L:FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT....
- B29B:PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE ....
- B65D:CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR....
- B29L:INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RE....
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
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