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US 10,611,123 B2Granted
Silicone carbonate polymers as release layers for pressure sensitive adhesive containing articles
Assignee3M Innovative Properties Company
InventorsPhillip H. Henna, Ramesh C. Kumar
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Abstract
The disclosure relates to articles comprising a substrate, a pressure sensitive adhesive, and a release layer, wherein the release layer comprises at least one silicone carbonate polymer.
Claims20
An article comprising
- a substrate having a first major surface and a second major surface;
- a pressure sensitive adhesive disposed on the first major surface;
- and
- a release layer comprising a silicone carbonate polymer disposed on the second major surface, wherein the silicone carbonate polymer comprises at least one carbonate portion having the structure of Formula (II)
- wherein R′ is a hydrocarbon diradical or an aromatic diradical and m is the degree of polymerization of the at least one carbonate portion, which is no less than 100.
2 more elements
Dependencies are inferred from the claim text.