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US 2022/0127505 A1Published application
Tie layer chemistry to promote bonding with silicone adhesive
Assignee3M Innovative Properties Company
InventorsJennifer N. Hanson, Kiu-Yuen Tse, Amanda C. Engler, Pamela A. Percha
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Abstract
The present invention is adhesive article including a tie layer and a silicone adhesive. The tie layer includes a segmented copolymer having a first segment that is one of (a) a polyether comprising one of PTMO or PEO/PPO or (b) a polysiloxane. The segmented copolymer has a water absorbency of less than about 13%.
Claims19
An adhesive article comprising:
- a tie layer;
- and
- a silicone adhesive,
- wherein the tie layer comprises a segmented copolymer having a first segment that is a polyether comprising PTMO, and wherein the segmented copolymer has a water absorbency of less than about 13%.
1 more element
An adhesive article comprising:
- a silicone adhesive;
- and
- a tie layer;
- wherein the tie layer comprises a segmented copolymer having a Tendotherm−Tg of at least about 52° C. and wherein the segmented copolymer comprises less than about 30% PEO.
1 more element
Dependencies are inferred from the claim text.