Carbon-13 nuclear magnetic resonance studies on the microstructure of the copolymer of vinylidene cyanide and methyl methacrylate
The microstructure of radically polymerized vinylidene cyanide-methyl methacrylate copolymer was studied by 125 MHz 13C nuclear magnetic resonance (n.m.r.) spectroscopy and was compared with that of vinylidene cyanide-vinyl acetate copolymer. The latter shows high piezoelectricity, while the former...
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| Veröffentlicht in: | Polymer (Guilford) 1987-06, Vol.28 (7), p.1087-1092 |
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| container_end_page | 1092 |
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| container_issue | 7 |
| container_start_page | 1087 |
| container_title | Polymer (Guilford) |
| container_volume | 28 |
| creator | Maruyama, Yôichi Jo, Yong Sung Inoue, Yoshio Chûjô, Riichirô Tasaka, Sigeru Miyata, Seizo |
| description | The microstructure of radically polymerized vinylidene cyanide-methyl methacrylate copolymer was studied by 125 MHz
13C nuclear magnetic resonance (n.m.r.) spectroscopy and was compared with that of vinylidene cyanide-vinyl acetate copolymer. The latter shows high piezoelectricity, while the former has low piezoelectricity. It was found that the microstructures of both copolymers were not largely different from each other; namely, both have highly alternating sequences with a non-stereoregular structure. Possible origins of piezoelectricity were discussed for these copolymers based on the
13C n.m.r. data. |
| doi_str_mv | 10.1016/0032-3861(87)90247-3 |
| format | Article |
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13C nuclear magnetic resonance (n.m.r.) spectroscopy and was compared with that of vinylidene cyanide-vinyl acetate copolymer. The latter shows high piezoelectricity, while the former has low piezoelectricity. It was found that the microstructures of both copolymers were not largely different from each other; namely, both have highly alternating sequences with a non-stereoregular structure. Possible origins of piezoelectricity were discussed for these copolymers based on the
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13C nuclear magnetic resonance (n.m.r.) spectroscopy and was compared with that of vinylidene cyanide-vinyl acetate copolymer. The latter shows high piezoelectricity, while the former has low piezoelectricity. It was found that the microstructures of both copolymers were not largely different from each other; namely, both have highly alternating sequences with a non-stereoregular structure. Possible origins of piezoelectricity were discussed for these copolymers based on the
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| fulltext | fulltext |
| identifier | ISSN: 0032-3861 |
| ispartof | Polymer (Guilford), 1987-06, Vol.28 (7), p.1087-1092 |
| issn | 0032-3861 1873-2291 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_24403647 |
| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Applied sciences carbon-13 nuclear magnetic resonance configuration Exact sciences and technology microstructure Organic polymers Physicochemistry of polymers piezoelectricity poly(vinylidene cyanide- co-methyl methacrylate) Properties and characterization Structure, morphology and analysis tacticity |
| title | Carbon-13 nuclear magnetic resonance studies on the microstructure of the copolymer of vinylidene cyanide and methyl methacrylate |
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