Cold sealed recloseable packaging and composition for the production thereof

Cold sealed recloseable packaging and composition for the production thereof

  • CN 102,712,723 A
  • Filed: 12/15/2010
  • Published: 10/03/2012
  • Est. Priority Date: 12/18/2009
  • Status: Active Application
First Claim
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1. involution packing again;

  • It has one deck cold agent layer that is sealing and adhesive of involution again after packing is unlocked;

    Said binder layer comprises a kind of latex polymer;

    It contains the principal monomer of at least 60 weight %;

    Said principal monomer is selected from (methyl) vinylformic acid C1 to C20 alkyl ester, comprises the vinyl ester of the carboxylic acid that is up to 20 carbon atoms, has vinyl aromatic compounds, ethylenic unsaturated nitrile, vinyl halide, the vinyl ether that comprises the alcohol of 1 to 10 carbon atom that is up to 20 carbon atoms, the aliphatic hydrocrbon with 2 to 8 carbon atoms and one or two two key;

    And these monomeric mixtures, the monomeric letex polymerization through free redical polymerization in the presence of at least a protective colloid of said latex polymer prepares, and has the second-order transition temperature in-30 to 0 ℃

    of scopes.

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