Polyolefin nanocomposites materials

Polyolefin nanocomposites materials

  • CN 101,193,964 B
  • Filed: 05/26/2006
  • Issued: 04/24/2013
  • Est. Priority Date: 06/07/2005
  • Status: Active Grant
First Claim
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1. olefin polymerization nanometer composite material comprises following component:

  • (A) crystallization or semicrystalline polyolefins resin;

    With(B) contain the nano-size filler of layer mineral,The inorganic part content of wherein said layer mineral is the per 100 weight part polyolefin resines (A) of 0.02-3 weight part, and the ratio MFR (1) of the melt flow rate value MFR (2) of the melt flow rate value MFR (1) of component (A) and olefin polymerization nanometer composite material/MFR (2) is at least 1.02;

    And wherein said olefin polymerization nanometer composite material is under the following conditions by mechanically mixing polyolefin resin component (A) in forcing machine and nano-size filler component (B) preparation;

    -mixing temperature;

    be higher than the resin softening temperature;

    -shear-mixed speed;

    30-300 second -1-residence time in hybrid machine;

    more than 80 seconds;

    AndWherein said component (B) joins when being in molten state in the component (A) in described component (A).

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