Laminated packaging material

Laminated packaging material

  • CN 103,101,273 A
  • Filed: 12/31/2012
  • Published: 05/15/2013
  • Est. Priority Date: 12/31/2012
  • Status: Active Application
First Claim
Patent Images

1. laminate wrapping material, comprise from outside to inside thermoplastic outermost layer (21), sandwich layer (22), thermoplastic intermediate layer (23), barrier layer (24) and thermoplastic innermost layer (26), it is characterized in that:

  • described thermoplastic intermediate layer (23) comprises LLDPE (MLLDPE) and the low density polyethylene (LDPE) (LDPE) of metalloscene catalyst polymerization;

    The LLDPE of described metalloscene catalyst polymerization (mLLDPE) has following parameter;

    averag density is 0.88g/cm 3

    0.925g/cm 3, melt flow index (190 ℃

    , 2.16kg) is that 5g/10min~

    20g/10min, peak value fusing point are that 85 ℃



    130 ℃

    , expansion ratio are 1.2~

    1.8;

    Described low density polyethylene (LDPE) (LDPE) has following parameter;

    averag density is 0.90g/cm 3

    0.925g/cm 3, melt flow index (190 ℃

    , 2.16kg) is that 5g/10min~

    20g/10min, peak value fusing point are that 85 ℃



    110 ℃

    , expansion ratio are 1.2~

    1.8.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×