Blush-resistant film including pigments
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United States of America Patent
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Oct 27, 2020
Grant Date -
Feb 15, 2018
app pub date -
Feb 28, 2017
filing date -
Aug 11, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
Biaxially oriented film and metal laminate composite thereof useful for manufacturing food containers with good resistance to blushing during steam sterilization, comprising a blend of PBT and PET and also incorporating color pigment comprising polar functional groups. The films possess improve resistance to trans-esterification during melt processing, resulting in enhanced crystallinity levels present in the laminated film which leads to little or no blush discoloration during steam sterilization.
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International Classification(s)
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- C09J:ADHESIVES; ADHESIVE PROCESSES IN GENERAL
- B65D:CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR....
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
- C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....
- B65B:MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF,....
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