Laminated metal plate for two-piece cans and two-piece laminated can body

Laminated metal plate for two-piece cans and two-piece laminated can body

  • CN 105,008,232 A
  • Filed: 12/26/2013
  • Published: 10/28/2015
  • Est. Priority Date: 02/28/2013
  • Status: Active Grant
First Claim
Patent Images

1. the laminated metal sheet of seamless tin, is characterized in that possessing:

  • Metal sheet;

    The 1st polyester resin layer being formed at the surface of described metal sheet of container exterior side is become after container formation;

    WithThe 2nd polyester resin layer being formed at the surface of described metal sheet of container inner face side is become after container formation,Described 1st polyester resin layer is with more than 30 quality % and the containing ratio that the ratio of below 60 quality % contains polyethylene terephthalate or copolymer composition is less than the copolymerization polyethylene terephthalate of 6mol%, with more than 40 quality % and the containing ratio that the ratio of below 70 quality % contains polybutylene terephthalate or copolymer composition is less than the copolymerization polybutylene terephthalate of 5mol%, and ratio is more than 0.01% and the ratio of less than 3.0% contains polyolefin wax in additionDescribed 2nd polyester resin layer is the copolymerization polyethylene terephthalate that the containing ratio of copolymer composition is less than 22mol%,The residual degree of orientation of described 1st polyester resin layer and the 2nd polyester resin layer is less than 30%.

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