Polypropylene film for in-mold label

Polypropylene film for in-mold label

  • CN 104,520,362 B
  • Filed: 08/08/2013
  • Issued: 08/27/2021
  • Est. Priority Date: 08/09/2012
  • Status: Active Grant
First Claim
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1. A polypropylene film for in-mold labeling, characterized in that it is a film mainly composed of a polypropylene resin, the polypropylene resin constituting the film has an isotactic pentad fraction of 96% or more,the polypropylene film has a heat shrinkage rate of 9% or less in both MD and TD directions at 150 ℃

  • , a Young'"'"'s modulus of 2GPa or more in MD, a Young'"'"'s modulus of 4GPa or more in TD, a haze of 6% or less, and a surface orientation coefficient of 0.0125 or more,the lower limit of the ratio of components having a molecular weight of 10 ten thousand or less in the entire polypropylene resin in the GPC integral curve is 35% by mass,the lower limit of the ratio of components having a molecular weight of 1 ten thousand or less in the entire polypropylene resin in the GPC integral curve is 2% by mass.

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