C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
117/26
C09J 7/02 (2006.01) B05B 15/04 (2006.01)
Patent
CA 1313086
Abstract Tape products for diverse end uses are obtained by applying to a sheet backing a layer of normally tacky and pressure-sensitive adhesive (PSA) containing and completely surrounding resilient non-tacky hollow thermoplastic polymeric microspheres. When the PSA is permanently bonded to the backing and the exposed surface has an irregular contour, a removable and repositionable product results. When the PSA forms a continuous matrix that is strippably bonded to the backing and is 1 mm or more thick, the resultant product is a foamlike transfer tape or foam tape. Depending on the product, the PSA can contain from about 1/5 to about 2/3% of the microspheres by volume.
544990
Darvell Wayne K.
Klingen Jurgen
Konsti Patricia R.
Kreckel Karl W.
Purgett Mark D.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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