LINERLESS DOUBLE-SIDED PRESSURE SENSITIVE ADHESIVE TAPE
First Claim
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1. A double-sided foam tape, the foam tape comprising:
- a foam core having first and second opposed surfaces, the foam core comprising an acidic polymer derived from a first group of monomers comprising at least one acidic monomer, and a basic polymer derived from a second group of monomers comprising at least one basic monomer;
a first pressure sensitive adhesive applied to the first surface of the foam core; and
a second pressure sensitive adhesive applied to the second surface of the foam core.
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Abstract
The present invention relates to a double-sided pressure sensitive adhesive foam tape. In certain embodiments the foam tape does not require the use of a release liner. Elimination of the release liner reduces the cost of the tape and also avoids problems associated with damage to the liner during traditional tape manufacturing from exposure to e-beam radiation.
19 Citations
28 Claims
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1. A double-sided foam tape, the foam tape comprising:
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a foam core having first and second opposed surfaces, the foam core comprising an acidic polymer derived from a first group of monomers comprising at least one acidic monomer, and a basic polymer derived from a second group of monomers comprising at least one basic monomer;
a first pressure sensitive adhesive applied to the first surface of the foam core; and
a second pressure sensitive adhesive applied to the second surface of the foam core. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 21, 22, 23, 24, 25, 27, 28)
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19. A double-sided foam tape, the foam tape comprising:
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a foam core having first and second opposed surfaces;
a first pressure sensitive adhesive applied to the first surface of the foam core, the first pressure sensitive adhesive comprising acrylic acid; and
a second pressure sensitive adhesive applied to the second surface of the foam core, the second pressure sensitive adhesive comprising acrylic acid and acrylonitrile;
wherein the first and second pressure sensitive adhesives do not substantially adhere to one another; and
wherein the foam core is configured to bond to the first pressure sensitive adhesive and the second pressure sensitive adhesive.
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26. A double-sided foam tape, the foam tape comprising:
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a foam core having first and second opposed surfaces, the foam core comprising an acidic copolymer derived from a first group of monomers comprising at least one acidic monomer, and a basic copolymer derived from a second group of monomers comprising at least one basic monomer;
a first pressure sensitive adhesive applied to the first surface of the foam core, the first pressure sensitive adhesive comprising acrylic acid; and
a second pressure sensitive adhesive applied to the second surface of the foam core, the second pressure sensitive adhesive comprising acrylic acid and acrylonitrile;
wherein the first and second pressure sensitive adhesives do not substantially adhere to one another.
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Specification