Biodegradable adhesive tape and biodegradable adhesive label

Details Biodegradable adhesive tape and biodegradable adhesive label Biodegradable adhesive tape and biodegradable adhesive label

C - Chemistry, Metallurgy

09

J

C09J 7/02 (2006.01) B32B 7/06 (2006.01) B32B 7/12 (2006.01) B32B 27/10 (2006.01) G09F 3/10 (2006.01)

Patent

CA 2128347

An adhesive tape or an adhesive label each of which comprises a substrate including a biodegradable polymer layer and an adhesive layer provided on at least one surface of the substrate. The adhesive tape has a release agent layer formed on an opposite surface to the surface where the adhesive layer is provided, or has a release tape which is in contact with the adhesive layer, and the adhesive tape was wound up around a core for storage. The adhesive label has a release sheet which is in contact with the adhesive layer. In such biodegradable adhesive tape and biodegradable adhesive label, a biodegradable polymer is used as a material of the substrate, and therefore the tape and label do not disrupt the natural environment or do not largely disorganize the ecosystem in the soil even when discarded in the soil after use.

Ruban adhésif ou étiquette adhésive comprenant un substrat constitué d'une couche de polymère biodégradable et d'une couche adhésive sur au moins une surface du substrat. Le ruban adhésif possède une couche anticollante formée sur une surface opposée à la surface comprenant la couche adhésive, ou il possède une bande anticollante qui est en contact avec la couche adhésive. Ce ruban adhésif est enroulé autour d'une âme aux fins de rangement. L'étiquette adhésive comprend une feuille anticollante qui est en contact avec la couche adhésive. Un polymère biodégradable est utilisé comme matériau de substrat du ruban adhésif et de l'étiquette adhésive biodégradables. Ce ruban et cette étiquette ne sont donc pas dommageables pour l'environnement ou ne perturbent pas grandement l'écosystème, même lorsqu'ils sont enfouis dans le sol après utilisation.

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