Container sealing tape

Details Container sealing tape Container sealing tape

B - Operations, Transporting

32

B

154/140, 154/126

B32B 15/08 (2006.01)

Patent

CA 1114278

CONTAINER SEALING TAPE Abstract of Disclosure --- A linerless pressure-sensitive adhesive container sealing tape which comprises a backing laminate, a unique pressure-sensitive adhesive layer on one of the major surface of the laminate and a release coating on the other major surface of the laminate. The tape is wound upon itself to form a roll with the pressure-sensitive adhesive layer facing inwardly toward the axis of the roll. The backing preferably comprises a first polyester film, a thin layer of metal coated onto one major surface of said first film to metallize this surface, a second polyester film, and a laminating adhesive layer adhering the second film to the metallized surface of the first film. The pressure-sensitive adhesive layer consists of an adhesive composition based upon a mixture of S-I-S and S-B-S linear or radial thermoplastic and elastomeric block copolymers wherein the S-blocks are theremoplastic and are derived from styrene or styrene homologues and the I-blocks and B-blocks are elastomeric and derived from isoprene and butadiene, respectively, together with a relatively high melting point tackifier resin and a relatively low molecular weight S-block associating bonding resin.

310061

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