Resin-coated aluminum seamless can body having excellent body burst resistance and flange crack resistance in distribution

Resin-coated aluminum seamless can body having excellent body burst resistance and flange crack resistance in distribution

  • CN 101,633,418 B
  • Filed: 06/22/2004
  • Issued: 06/18/2014
  • Est. Priority Date: 06/23/2003
  • Status: Active Grant
First Claim
Patent Images

1. breakage resistant resin-coated aluminum seamless tank body when transportation, is with drawing aluminum seamless tank body, it is characterized in that:

  • In tank body inner face and tank body outside, polyester resin layer is set;

    The film thickness of the thermoplastic resin of can body is that inner face and outside add up to 2~

    50 μ

    m;

    The minimum aluminum plate thickness of removing the can body sidewall sections of polyester resin layer after tank processing processed is below 0.110mm;

    After tank processed processing, remove the aluminium sheet of the can body sidewall sections of alkide resin, along tank circumferencial direction measured pull rupture strength below 450MPa;

    The polyester resin layer of tank body inner face and tank body outside contains the crystallization of axle directionality, represent the Parameter H of the axle degree of orientation of the tank short transverse of this axle directionality crystallization, be H >

    =0.5, the heat of fusion (A) of the polyester resin layer of tank body inner face and tank body outside is more than 15J/g.

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