Pressure sensitive adhesive patch

Details Pressure sensitive adhesive patch Pressure sensitive adhesive patch

C - Chemistry, Metallurgy

09

J

C09J 7/02 (2006.01) B29C 73/10 (2006.01)

Patent

CA 2227525

A patch is provided for repairing articles such as bicycle tire inner tubes. The patch includes a backing; and a pressure sensitive adhesive layer having an average thickness of greater than about 0.076 mm disposed on the backing. The patch has a maximum thickness of no greater than about 0.64 mm, a T-Peel strength from an organic polymeric substrate of greater than about 0.18 kN/m after 1 hour dwell time at 22 ~C, and a static shear strength of at least about 50 minutes from stainless steel at 70 ~C with a 7.6 kPa load.

L'invention concerne une pastille pour la réparation d'articles tels qu'une chambre à air de pneu de bicyclette. Cette pastille comprend un support et une couche adhésive autocollante, dont l'épaisseur moyenne est supérieure à 0,076 mm environ, disposée sur le support. Elle a une épaisseur maximum inférieure à 0,64 mm environ, une résistance au test d'adhésion sur un substrat polymérique organique supérieure à 0,18 kN/m environ après une heure de maintien à 22 ·C, et une résistance au cisaillement statique par un acier inoxydable à 70 ·C avec une charge de 7,6 kPa d'au moins 50 minutes environ.

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