POLYMER COMPOSITION, METHOD FOR PRODUCING NON-STRETCHED FILM, NON-STRETCHED FILM, HEAT SEAL MATERIAL, AND PACKING MATERIAL
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United States of America Patent
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Issued Date -
May 3, 2012
app pub date -
Jun 30, 2010
filing date -
Jul 9, 2009
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Abandoned
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Abstract
Provided is a polymer composition that contains an ionomer which includes an ethylene-α,β-unsaturated carboxylic acid copolymer and a ternary polymer of ethylene-α,β-unsaturated carboxylic acid-α,β-unsaturated carboxylic acid ester, and a propylene-based polymer, wherein a melt flow rate (MFR) value (under a load of 2160 g) of the ionomer at a process temperature in forming a film by T-die melting casting method is from 50% to 250% based on an MFR value of the propylene-based polymer under the same condition.
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