Stretch-sleeve film

Stretch-sleeve film

  • CN 105,377,555 A
  • Filed: 04/15/2014
  • Published: 03/02/2016
  • Est. Priority Date: 04/15/2013
  • Status: Active Application
First Claim
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1. a film, it comprises two skins of at least one internal layer and fenced at least one internal layer described, at least one internal layer wherein said contains 70 to 100 % by weight relative to the gross weight of described internal layer, preferably 80 to 99 % by weight and especially preferably 90 to 99 % by weight the polymer of amount, wherein said polymer is selected from the group be made up of polymer A and polymer C, wherein said polymer A presents with the form membrane with 25 μ

  • m of thickness and is greater than 30mPa, to fracture tensile strength on the longitudinal direction being preferably greater than 40mPa, be greater than 300%, be preferably greater than 350% and to tensile fracture elongation rate on the longitudinal direction being especially preferably greater than 380%, with be greater than 80mPa, secant modulus under 1% tension force on the longitudinal direction being preferably greater than 85mPa, wherein said polymer C is vinyl acetate polymer, preferred copolymer, wherein said skin contains the mixture of polymer A and polymer B, wherein polymer B is selected from the group be made up of low density polyethylene (LDPE), described film has 30 and arrives to 70 μ

    m, preferably 35 to 60 μ

    m and especially 40 to 55 μ

    m thickness and at least 80% 55% percentage elongation under elastic recovery capability.

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