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Polyolefin substrate coated with acrylic-type normally tacky and pressure-sensitive adhesive and a method of making same

  • US 4,563,388 A
  • Filed: 02/27/1984
  • Issued: 01/07/1986
  • Est. Priority Date: 03/28/1983
  • Status: Expired due to Term
First Claim
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1. A normally tacky and pressure-sensitive adhesive-coated product comprising:

  • (a) a polyolefin substrate,(b) A monomer composition graft-polymerized to at least a portion of said substrate by ionizing radiation, said monomer composition having at least one monomer selected from the group consisting of acrylic acid, methacrylic acid and esters thereof;

    acrylamide;

    methacrylamide;

    sterically non-hindered tertiary alkyl acrylamides and methacrylamides;

    secondary alkyl acrylamides and methacrylamides having three or less carbon atoms in the alkyl group; and

    N-vinyl pyrrolidone, and(c) firmly adherently bonded to the graft-polymerized monomer an acrylic type normally tacky and pressure-sensitive adhesive.

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