Polyolefin-based adhesive resins and method of making adhesive resins

  • US 7,064,163 B2
  • Filed: 07/02/2003
  • Issued: 06/20/2006
  • Est. Priority Date: 09/04/2002
  • Status: Active Grant
First Claim
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1. A method for producing improved polyolefin-based adhesive resin, comprising:

  • a. polymerizing a monomer composition of at least one olefin to a pelletizable polyolefin;

    b. mixing with shear mixing, while minimizing cross-linking, at least 50% by weight based on the polyolefin-based adhesive resin of the polymerization product following polymerization without first pelletizing the pelletizable polyolefin with at least one graft polymer or copolymer in a heated mixing device at a temperature above the melting point of the components; and

    c. recovering the resulting polyolefin-based adhesive resin.

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