Multilayer films including thermoplastic silicone block copolymers
Assignee3M Innovative Properties Company
InventorsKarl E. Benson, Richard G. Hansen, Stephen A. Johnson, Charles M. Leir, Richard Y. Liu, Mark D. Purgett, Hildegard M. Schneider, Audrey A. Sherman
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Abstract
A multilayer film includes a first layer of a first polymeric material and a second layer of a second polymeric material. The first material has a first index of refraction and the second material has a second index of refraction less than the first index of refraction. In one embodiment, the second material includes a polydiorganosiloxane polyamide block copolymer. In another embodiment, the second material includes a polydiorganosiloxane polyoxamide block copolymer.
Claims6
A multilayer film comprising alternating layers of a first polymeric material and a second polymeric material, wherein the first polymeric material comprises a first index of refraction and the second polymeric material comprises a second index of refraction less than the first index of refraction, wherein the second polymeric material further comprises a polydiorganosiloxane polyoxamide block copolymer;
- wherein the multilayer film is a polarizer or a mirror.
Dependencies are inferred from the claim text.