Pressure-sensitive adhesive layer

Details Pressure-sensitive adhesive layer Pressure-sensitive adhesive layer

1988-10-31

1991-04-16

Thomas, Alexander S.

Stock material or miscellaneous articles

Layer or component removable to expose adhesive

Halogen containing compound

428323, 428336, B32B 516, B32B 706, B32B 712

Patent

active

050081390

ABSTRACT:
A pressure-sensitive adhesive layer having, on at least one surface thereof, a layer of evenly dispersed non-adhesive solid particles having an average particle diameter of 10 to 60 microns, wherein at least about half of the solid particles project from the surface of the adhesive layer to a height corresponding to at least about one-fourth of the average particle diameter of the solid particles and if the solid particles are hollow particles, the walls of the hollow particles are not rupturable by the pressure of bonding. The pressure-sensitive adhesive layer has a very low initial adhesion strength (adhesion strength before press-bonding). After press-bonding, it rapidly develops adhesion strength, and attains a very high final adhesion strength.

REFERENCES:
patent: 4054697 (1977-10-01), Reed et al.
patent: 4376151 (1983-03-01), Parrotta
patent: 4514457 (1985-04-01), Sasaki
patent: 4556595 (1985-12-01), Ochi
patent: 4636432 (1987-01-01), Shibano et al.

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