Synthesis of Columnar Hydrogel Colloidal Crystals in Water-organic Solvent Mixture

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Patent relating to the synthesis of columnar hydrogel colloidal crystals in a water-organic solvent mixture.

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15 p. : ill.

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Hu, Zhibing; Zhou, Jun; Cai, Tong; Tang, Shijun & Marquez, Manuel August 2, 2011.

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This patent is part of the collection entitled: UNT Scholarly Works and was provided by UNT College of Arts and Sciences to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 196 times, with 4 in the last month. More information about this patent can be viewed below.

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Description

Patent relating to the synthesis of columnar hydrogel colloidal crystals in a water-organic solvent mixture.

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15 p. : ill.

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Abstract: The compositions of hydrogel colloidal crystals are made from mixing an aqueous suspension of poly-N-isopropylacrylamide (“PNIPAM”)-co-allylamine microgels with dichloromethane, forming a PNIPAM-co-allylamine/dichloromethane mixture. The PNIPAM-co-allylamine/dichloromethane mixture is incubated for a period of time at a given temperature, forming the colloidal crystal material. The colloidal crystals can be stabilized by diffusing a glutaric dialdehyde solution into the colloidal crystal material. The concentration of polymer matrix microgels can determine the orientation of random or columnar crystals.

Prior Publication Data: US 2010/0261814 A1, October 14, 2010.

Related U.S. Application Data: Provisional application number 60/720,008, filed on September 23, 2005.

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  • September 21, 2006

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  • August 2, 2011

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  • August 2, 2011

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  • July 7, 2014, 8:20 a.m.

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  • Dec. 12, 2017, 8:21 p.m.

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Hu, Zhibing; Zhou, Jun; Cai, Tong; Tang, Shijun & Marquez, Manuel. Synthesis of Columnar Hydrogel Colloidal Crystals in Water-organic Solvent Mixture, patent, August 2, 2011; [Washington, D.C.]. (https://digital.library.unt.edu/ark:/67531/metadc306035/: accessed August 24, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT College of Arts and Sciences.