Microbubble-filled article such as a pressure-sensitive adhesive

Details Microbubble-filled article such as a pressure-sensitive adhesive Microbubble-filled article such as a pressure-sensitive adhesive

1985-05-24

1987-05-19

Lesmes, George F.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

427 541, 427180, 4273835, 428328, 428330, 428355, 428402, 428406, 428520, 428704, 428 40, B32B 516

Patent

active

046667717

ABSTRACT:
The invention primarily concerns a pressure-sensitive adhesive tape, the adhesive layer of which is filled with glass microbubbles and has a dark appearance by virtue of (1) the microbubbles are stained glass which preferably is dark, and (2) dispersed throughout the adhesive layer is a pigment or dye which preferably is dark. More broadly, the invention concerns any coherent article filled with stained-glass microbubbles. The glass of the microbubbles preferably has an ultraviolet window, permitting the article to be made by photopolymerizing a matrix filled with the microbubbles.

REFERENCES:
patent: 3365315 (1968-01-01), Beck et al.
patent: 4223067 (1980-09-01), Levens
patent: 4303485 (1981-12-01), Levens
patent: 4330590 (1982-03-01), Vesley
patent: 4391646 (1983-07-01), Howell
patent: 4415615 (1983-11-01), Esmay et al.
Boyd, D. C. and Thompson, D. A., "Glass", Encyclopedia of Chemical Technology, 3rd edition, vol. 11, p. 845, Kirk Othmer, Ed., John Wiley & Sons.

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