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Periodic nanostructures from self assembled wedge-type block-copolymers

United States Patent

June 2, 2015
View the Complete Patent at the US Patent & Trademark Office
The invention provides a class of wedge-type block copolymers having a plurality of chemically different blocks, at least a portion of which incorporates a wedge group-containing block providing useful properties. For example, use of one or more wedge group-containing blocks in some block copolymers of the invention significantly inhibits chain entanglement and, thus, the present block copolymers materials provide a class of polymer materials capable of efficient molecular self-assembly to generate a range of structures, such as periodic nanostructures and microstructures. Materials of the present invention include copolymers having one or more wedge group-containing blocks, and optionally for some applications copolymers also incorporating one or more polymer side group-containing blocks. The present invention also provides useful methods of making and using wedge-type block copolymers.
Xia; Yan (Mountain View, CA), Sveinbjornsson; Benjamin R (Pasadena, CA), Grubbs; Robert H (South Pasadena, CA), Weitekamp; Raymond (Pasadena, CA), Miyake; Garret M (Pasadena, CA), Piunova; Victoria (Altadena, CA), Daeffler; Christopher Scot (Pasadena, CA)
California Institute of Technology (Pasadena, CA)
13/ 801,710
March 13, 2013
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with government support under DE-FG02-05ER46218 awarded by the Department of Energy and support under GM031332 awarded by the National Institutes of Health. The government has certain rights in the invention.