Colored foamlike pressure-sensitive adhesive tape

Details Colored foamlike pressure-sensitive adhesive tape Colored foamlike pressure-sensitive adhesive tape

C - Chemistry, Metallurgy

08

K

117/25, 117/46.2

C08K 7/22 (2006.01) C08K 9/00 (2006.01) C09J 7/02 (2006.01) C09J 11/00 (2006.01)

Patent

CA 2008017

Abstract The invention relates to a foamlike pressure- sensitive adhesive tape comprising a flexible carrier supporting one or more pressure-sensitive adhesive layers, at least one layer of the pressure-sensitive adhesive having pigment-coated microbubbles dispersed therein having an average diameter from 5 to 200 micrometers, wherein the pigment coat comprises pigment particle aggregates having an average aggregate size being from about 0.5 microns to about 5 microns. The invention further relates to pigment-coated microbubbles, and to a method for making coated micro- bubbles involving rolling the pigment and the microbubbles in a cylindrical container with two or more mixing rods having lengths at least about equal to the interior diameter of the container, and a combined surface area at least about 5% of the interior surface area of the container.

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