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Title: Imidazoles and imidazolium cations with exceptional alkaline stability

Patent ·
OSTI ID:1892592

The invention provides: imidazole and imidazolium compounds of formulas (I) and (II): polymers containing a plurality of imidazolium-containing repeating units of formula (III′): and membranes and devices comprising the polymers. Also provided are methods of making the inventive compounds and polymers.

Research Organization:
Cornell Univ., Ithaca, NY (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
SC0001086
Assignee:
Cornell University (Ithaca, NY)
Patent Number(s):
11,242,432
Application Number:
15/566,595
OSTI ID:
1892592
Resource Relation:
Patent File Date: 04/14/2016
Country of Publication:
United States
Language:
English

References (28)

Improving the Alkaline Stability of Imidazolium Cations by Substitution journal July 2014
Preparation of Substituted Imidazoles patent April 1965
Boehmite nanoparticles, an efficient green catalyst for the multi-component synthesis of highly substituted imidazoles journal October 2013
Thermally Cross-Linked Anion Exchange Membranes from Solvent Processable Isoprene Containing Ionomers journal January 2015
Alkaline imidazolium- and quaternary ammonium-functionalized anion exchange membranes for alkaline fuel cell applications journal January 2012
Imidazolium Cations with Exceptional Alkaline Stability: A Systematic Study of Structure–Stability Relationships journal July 2015
Anion-Conducting Polymer patent-application March 2015
Hydroxide Degradation Pathways for Imidazolium Cations: A DFT Study journal May 2014
Relative Chemical Stability of Imidazolium-Based Alkaline Anion Exchange Polymerized Ionic Liquids journal November 2011
Liquid crystalline polyester and method for producing the same patent January 2003
ChemInform Abstract: ACID-CATALYZED FORMATION OF IMIDAZOLES FROM 2H-AZIRINES OR VINYLAZIDES AND NITRILES journal May 1978
Relationships between Structure and Alkaline Stability of Imidazolium Cations for Fuel Cell Membrane Applications journal January 2014
Ni(ii)–salt catalyzed activation of primary amine-sp3Cα–H and cyclization with 1,2-diketone to tetrasubstituted imidazoles journal January 2014
Use of quaternized polymerizates containing units of vinyl imidazol as a color fixing and color transfer inhibiting additive to detergent post-treatment agents and detergents patent December 2000
Imidazole und 1-Imidazolamine aus α-Acylaminoketiminen und α-Acylaminohydrazonen journal December 1978
Azolium Ionomer Derivatives of Halogenated Polymers patent-application June 2012
Use of cationic copolymers of unsaturated acids and N-vinylimidazolium salts in cosmetic hair formulations patent March 2002
Synthesis, Properties, and Structures of Salts with the Reineckate Anion, [CrIII(NCS)4(NH3)2]-, and Large Organic Cations journal May 2011
New Polyethylene Based Anion Exchange Membranes (PE–AEMs) with High Ionic Conductivity journal August 2011
Imidazole-Containing Polymer Membranes and Methods of Use patent-application May 2014
Effects of Substituents and Substitution Positions on Alkaline Stability of Imidazolium Cations and Their Corresponding Anion-Exchange Membranes journal March 2014
Ring-opening metathesis polymerization of 8-membered cyclic olefins journal January 2014
Quaternised polybenzimidazole patent December 2015
Stabilizing the Imidazolium Cation in Hydroxide-Exchange Membranes for Fuel Cells journal August 2013
Organic Light Emitting Materials and Devices patent-application January 2006
Continuous Synthesis of Tri- and Tetrasubstituted Imidazolesvia a Multicomponent Reaction under Microreactor Conditions journal June 2006
Cyclic phosphoric acid catalyzed one-pot, four-component synthesis of 1,2,4,5-tetrasubstituted imidazoles journal January 2012
Efficient library synthesis of imidazoles using a multicomponent reaction and microwave irradiation journal February 2006