Pressure-sensitive paper-plastic film laminate tape

Details Pressure-sensitive paper-plastic film laminate tape Pressure-sensitive paper-plastic film laminate tape

1994-03-14

1999-10-05

Copenheaver, Blaine

Stock material or miscellaneous articles

Layer or component removable to expose adhesive

Polymer derived only from ethylenically unsaturated monomer

428 418, 428214, 428215, 428352, 428354, 428906, B32B 2710

Patent

active

059620994

ABSTRACT:
A pressure-sensitive tape for sealing cartons and for other applications requiring a flexible tape of exceptional strength and of sufficient body so that the tape in roll form may be dispensed from a conventional pull-and-tear tape dispenser. The tape is composed of a paper-plastic film laminate having a first ply of biaxially-oriented, synthetic-plastic film, cold-laminated by a water-based adhesive to a second ply formed of paper. The inner surface of the film ply is corona-discharge treated to render it wettable and receptive to the adhesive, thereby producing a strong adhesive bond to the paper ply that is resistant to delamination of the tape. One side of the laminate which may be either the paper or the film side, is coated with a pressure-sensitive adhesive, whereas the other side is coated with a silicone release agent to prevent blocking, whereby the tape may be wound into a roll for loading a tape dispenser.

REFERENCES:
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patent: 2463244 (1949-03-01), Carter
patent: 3368323 (1968-02-01), Wood
patent: 3632386 (1972-01-01), Hurst
patent: 4041202 (1977-08-01), Williams
patent: 4096013 (1978-06-01), Lutzmann et al.
patent: 4351877 (1982-09-01), Williams
patent: 4557971 (1985-12-01), Wiliams
patent: 4801487 (1989-01-01), Kalus et al.
patent: 4895747 (1990-01-01), Birkholz et al.
patent: 5190798 (1993-03-01), Bloch

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