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US 10,898,389 B2Granted
Breathable self-adhesive articles
AssigneeBostik SA
InventorDavid Goubard
Life of this patent
Estimating the term…
Abstract
The invention relates to the use of an adhesive composition comprising at least one silyl-containing polymer, at least one compatible tackifying resin and at least one catalyst, to make a breathable self-adhesive article. The invention also relates to a breathable self-adhesive article comprising at least one breathable substrate coated with a breathable adhesive layer. The invention also relates to a pressure-sensitive adhesive composition.
Claims18
A self-adhesive article comprising:
- a substrate having a Moisture-Vapour Transmission Rate superior or equal to 1000 g/m2/24 h, wherein at least one face of said substrate is coated with an adhesive layer obtained by curing an adhesive composition comprising at least one silyl-containing polymer, at least one compatible tackifying resin and at least one catalyst,
- said adhesive layer having a Moisture-Vapour Transmission Rate superior or equal to 300 g/m2/24 h for a coating weight below 50 g/m2 and a Moisture-Vapour Transmission Rate superior or equal to 100 g/m2/24 h for a coating weight superior or equal to 50 g/m2.
Dependencies are inferred from the claim text.