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Periodic Nanostructures From Self Assembled Wedge-Type Block-Copolymers

United States Patent Application

View the Complete Application 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. (Altadena, CA), PIUNOVA, Victoria (Altadena, CA), DAEFFLER, Christopher Scot (Pasadena, CA)
14/ 698,520
April 28, 2015
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] This invention was made with government support under DE-F002-05ER46218 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.