PREPARATION AND EVALUATION OF CHIRAL SELECTIVE CATION-EXCHANGE PMMA-PNIP AM THERMAL-SENSITIVE MEMBRANES

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LEI YINLIN; CHEN DR FEI; LUO YUNJIE

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Journal: Iranian Polymer Journal Year:2014 | Volume:23 | Issue:9 Page(s): 679-687

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Title

PREPARATION AND EVALUATION OF CHIRAL SELECTIVE CATION-EXCHANGE PMMA-PNIP AM THERMAL-SENSITIVE MEMBRANES

Author(s)

LEI YINLIN | CHEN DR FEI | LUO YUNJIE | Issue Writer Certificate

Keywords

PMMA-PNIPAM

CHIRAL

MEMBRANES

ATRPP

S)-EQUOL

Abstract

Selective cation-exchange MEMBRANES are placing a key role in separation processes. The application of selective cation-exchange MEMBRANES is wide since there are many kinds of mixtures needed to be separated for reuse. In this study, a facile and efficient one-pot approach was used to obtain monodispersed methyl methacrylate-N-isopropyl acrylamide (MMA-NIPAm) polymer by atom transfer radical precipitation polymerization (ATRPP) and then MMA-NIPAm CHIRAL selective separation MEMBRANES were prepared for separating racemic equol. Firstly, using dodecylbenzenesulfonyl chloride (DBSC) as the initiator, bipyridine (bipy)/CuCl as the catalyst system, acetonitrile as the solvent, and S-equol as template molecule by which a MMA-NIPAm copolymer was synthesized and it was characterized by TEM, FTIR, TGA, UV-vis absorption spectrum, and dynamic layer scattering analysis. Lastly, MMA-NIPAm CHIRAL separation MEMBRANES were prepared by casting 3 wt% of MMA-NIPAm copolymer dimethyl formamide (DMF) solution on a rimmed glass plate and evaporated the solvent completely at 100 °C under vacuum. Then, the PMMA-PNIPAM CHIRAL selective cation-exchange MEMBRANES were prepared by immersing in methanol/acetic acid (95:5, v/v) to remove the template molecules. Most worthy of mention was that the prepared CHIRAL selective separation MEMBRANES could separate S-equol and R-equol from the mixture of racemic equol. In application of a thermo-responsive monomer, the separation ability of the prepared PMMA-PNIPAM CHIRAL separation MEMBRANES could be tunable according to environment temperature changes.

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APA: Copy

LEI, YINLIN, CHEN DR, FEI, & LUO, YUNJIE. (2014). PREPARATION AND EVALUATION OF CHIRAL SELECTIVE CATION-EXCHANGE PMMA-PNIP AM THERMAL-SENSITIVE MEMBRANES. IRANIAN POLYMER JOURNAL (ENGLISH), 23(9), 679-687. SID. https://sid.ir/paper/635004/en

Vancouver: Copy

LEI YINLIN, CHEN DR FEI, LUO YUNJIE. PREPARATION AND EVALUATION OF CHIRAL SELECTIVE CATION-EXCHANGE PMMA-PNIP AM THERMAL-SENSITIVE MEMBRANES. IRANIAN POLYMER JOURNAL (ENGLISH)[Internet]. 2014;23(9):679-687. Available from: https://sid.ir/paper/635004/en

IEEE: Copy

YINLIN LEI, FEI CHEN DR, and YUNJIE LUO, “PREPARATION AND EVALUATION OF CHIRAL SELECTIVE CATION-EXCHANGE PMMA-PNIP AM THERMAL-SENSITIVE MEMBRANES,” IRANIAN POLYMER JOURNAL (ENGLISH), vol. 23, no. 9, pp. 679–687, 2014, [Online]. Available: https://sid.ir/paper/635004/en

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