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US 9,175,116 B2Granted
Polymeric water repellent material
AssigneesLG Chem, Ltd., Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University)
InventorsYang-Kyoo Han, Je-Gwon Lee, Su-Hwa Kim
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Abstract
The present invention relates to a polymeric water repellent material including novel acrylamide polymer, which can be used in various field because it demonstrates controllable and excellent water repellency together with water adhesiveness. The polymeric water repellent material comprises an acrylamide polymer including at least one repeating unit.
Claims12
A polymeric water repellent material comprising an acrylamide polymer including at least one repeating unit of Chemical Formula 1,
- wherein the acrylamide polymer has a plurality of pores having a diameter of 2.0 to 10.0 nm, and
- wherein the polymeric water repellant material has a contact angle between 90° to 170° when a water drop having a weight of 3 to 20 mg is dropped onto the polymeric water repellent material:
- in Chemical Formula 1,
- n is an integer of 15 to 1800,
- R is hydrogen or methyl,
- R′ is X,
- X is —Z—R″,
- Y is an alkylene of C1 to C10,
- Z is an arylene of C6 to C20, and
- R″ is a linear or branched hydrocarbon of C10 to C20, or a linear or branched perfluorohydrocarbon of C10 to C20.
7 more elements
Dependencies are inferred from the claim text.