Ion exchange and electrochemical methods and devices employing one-step quaternized and polymerized anion selective polymers
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United States of America Patent
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Aug 8, 2006
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app pub date -
Jun 24, 2002
filing date -
Jul 28, 1999
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Abstract
The invention provides ion exchange and electrochemical methods and devices employing anion exchange polymers produced by substantially simultaneous quaternization and polymerization reactions. Anion selective polymers are produced in accordance with the invention by combining, an ethylenic tertiary amine monomer, an alkylating agent having a boiling point temperature of at least about 100.degree. C., and a cross-linking agent in the presence of a polymerizing agent for a time and at a temperature sufficient to form the polymer. The alkylating agent and the cross-linking agent may be the same compound, a cross-linking alkylating agent. The polymers may be produced in the presence of solvents and/or in the presence of diluting monomers which are incorporated into the polymers.
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