FILM FOR STRETCH PACKAGING

FILM FOR STRETCH PACKAGING

  • CN 1,030,592 A
  • Filed: 07/07/1988
  • Published: 01/25/1989
  • Est. Priority Date: 07/07/1987
  • Status: Abandoned Application
First Claim
Patent Images

1. , by the stretch wrappers of forming as a kind of LLDPE of base material, measure according to the ASTM-D-1238E method, having molten flow velocity degree (190 ℃

  • ) is 0.3~

    8g/10min;

    Measure according to the ASTM-D-1505 method, density is 0.900~

    0.918g/cm 3Molecular weight distribution (Mw/ Mn) is 2~

    6;

    Dsc is analyzed, and has two or more fusing points, peak melting point Tm 1Be 118~

    125 ℃

    , peak melting point Tm 1Peak height Tm 1H and contiguous fusing point Tm 2Peak height Tm 2The ratio of H (is Tm 1H/Tm 2H) be 1.3 or littler.

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