Writable adhesive tape

Details Writable adhesive tape Writable adhesive tape

C - Chemistry, Metallurgy

09

J

117/27

C09J 7/02 (2006.01) B32B 27/08 (2006.01) B65D 5/04 (2006.01) C09J 7/00 (2006.01)

Patent

CA 1260774

ABSTRACT. The writable adhesive tape has a flexible substrate, a self- sticking coating on one side thereof, and an anti-adhesive writable coating on the opposite side constituted by a film forming resin, an anti-adhesive agent, and a matting agent. The substrate is selected from oriented and non-oriented films of alpha-olefine polymers and co-polymers having at least the side bearing the anti-adhesive coating free from any additional priming layer and adhesion promoting surface treatment. The anti-adhesive writable coating comprises from 25% to 55% by weight of at least one chlorinated polyolefine and from 20% to 50% by weight of a polyaldehyde resin as a film forming resin and as a substrate adhesive promoter resin, together with 5% to 20% by weight of an anti-adhesive agent, and 5% to 25% by weight of a matting charge.

480700

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