DataVXACS Applied Polymer MaterialsPaper
journal article·2020-02-14

Synthesis of Well-Defined Chiral Oligopinanylsiloxane Graft Copoly(phenylacetylene)s Using the Macromonomer Method and Their Enantioselective Permeability

Yu Zang, Toshiki Aoki, Masahiro Teraguchi, Takashi Kaneko, Liqun Ma, Hongge Jia, Fengjuan Miao

ACS Applied Polymer Materials· Volume 2· Issue 2
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Source abstract

Abstract

As enantioselectively permeable membrane materials showing high permeability and good self-membrane forming ability, 24 well-defined chiral graft copolymers (PPA-graft-OMPS) consisting of flexible chiral oligomethylpinanylsiloxane (OMPS) grafts and a rigid poly(phenylacetylene) (PPA) backbone were synthesized stepwise in a well-controlled manner. First, synthesized cyclic OMPS monomers containing one or two chiral pinanyl groups were used in living anion ring-opening polymerization to produce the precursors of the corresponding macromonomers whose degrees of polymerization were controlled. Then, by introducing a triple bond at one end of the precursors, the macromonomers were obtained. Finally, PPA-graft-OMPSs with controlled numbers of the grafts were synthesized by copolymerization of the macromonomers with phenylacetylene comonomers. The PPA-graft-OMPSs show good self-membrane forming abilities in spite of the very high content of the flexible OMPS unit because of the rigid conjugated backbone. They show stable enantioselective permeation with high permeability for around 1000 h based on solution selectivity.
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Research context

Polymers

OpenAlex topics: Covalent Organic Framework Applications · Metal-Organic Frameworks: Synthesis and Applications · Fuel Cells and Related Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Key Laboratory of Polymer Matrix Composites, Heilongjiang, College of Materials Science and Engineering, Qiqihar University, Wenhua Street 42, Qiqihar, Heilongjiang 161006, China

Graduate School of Science and Technology, Faculty of Engineering, Niigata University, Ikarashi 2-8050, Nishi-ku, Niigata 950-2181, Japan

College of Communications and Electronics Engineering, Qiqihar University, Wenhua Street 42, Qiqihar, Heilongjiang 161006, China

Funding

Ministry of Education of the People's Republic of China · Qiqihar University · Japan Society for the Promotion of Science · National Natural Science Foundation of China · University Nursing Program for Young Scholar with Creative Talents in Heilongjiang Province · Fundamental Research Funds in Heilongjiang Provincial Universities · Human Resources and Social Security Department of Heilongjiang Province · Heilongjiang Science Foundation Project

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