Polyolefin masterbatch and composition suitable for injection molding

Polyolefin masterbatch and composition suitable for injection molding

  • CN 102,378,779 A
  • Filed: 03/17/2010
  • Published: 03/14/2012
  • Est. Priority Date: 03/31/2009
  • Status: Active Application
First Claim
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1. concentrate composition, its all percentage compositions all comprise by weight:

  • A) alfon of 10-45% or propylene and one or more are selected from ethene and CH 2The multipolymer of the comonomer of=CHR terminal olefin, wherein R is the alkyl of 2-8 carbon atom, said multipolymer comprises one or more comonomers of 1-8%;

    B) multipolymer of the propylene of 10-30% and ethene, it comprises 18-45%, preferred 28-45%, the more preferably ethene of 28-40%;

    C) 42-60%, preferred 44-60%, the more preferably multipolymer of the propylene of 45-60% and ethene, it comprises 55-85%, preferably the ethene of 65-75%;

    Said compsn has the MFR L value of 0.01-10g/10min, is dissolved in the inherent viscosity [η

    ] that the YLENE level is divided under the room temperature of 1.5-2.5dl/g SolAnd be equal to or less than 6, preferably be equal to or less than 2 [η

    ] Sol/ MFRL ratio.

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