Polypropylene composition comprising a propylene copolymer component

Polypropylene composition comprising a propylene copolymer component

  • CN 101,331,187 A
  • Filed: 12/22/2006
  • Published: 12/24/2008
  • Est. Priority Date: 12/22/2005
  • Status: Active Application
First Claim
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1. polypropene composition comprises:

  • A) at least a propylene copolymer component andB) polymkeric substance nucleator,A wherein) and mixture B) have the 0.5g/10min that measures according to ISO 1133 (230 ℃

    , 2.16kg load) or higher MFR 2With the mist degree that satisfies following relational expression, this mist degree is to be that the injection moulding sample type of 2mm is measured with thickness according to ASTMD 1003;

    Mist degree (%)<

    100.9N (0.1)+ 3.88MFR 20.6-19.1Z 0.5-0.0232MFR 2+ 2.41Z+0.2 Wherein;

    The amount of the polymkeric substance nucleator in this propylene copolymer of N=, unit is ppm (weight),MFR 2=A) and B) the MFR of mixture 2(1133,230 ℃

    of ISO, 2.16kg load), Co-monomer content in this propylene copolymer component of Z=, unit is wt%.

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