Physical aging of atactic polystyrene as seen by dielectric relaxational and low-frequency vibrational Raman spectroscopies

Wypych A; Duval E; Boiteux G; Ulanski J; David L; Seytre G; Mermet A; Stevenson I; Kozanecki M; Okrasa L

首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Physical aging of atactic polystyrene as seen by dielectric relaxational and low-frequency vibrational Raman spectroscopies

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Physical aging of atactic polystyrene as seen by dielectric relaxational and low-frequency vibrational Raman spectroscopies

机译：介电弛豫和低频振动拉曼光谱研究无规聚苯乙烯的物理老化

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The physical aging of atactic polystyrene at a temperature close to the glass transition temperature and at room temperature (storage conditions) was investigated by low-frequency Raman scattering, broadband dielectric spectroscopy and differential scanning calorimetry. A consistent relation between changes in molecular dynamics and nanostructure caused by physical aging has been found. The results suggest that the structure after aging becomes more cohesive and more homogeneous at the nanoscale, while the alpha-relaxation seems to be mainly affected by the mentioned structural changes. (c) 2005 Elsevier B.V. All rights reserved.

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《Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites》 |2005年第36期|共6页
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Wypych A; Duval E; Boiteux G; Ulanski J; David L; Seytre G; Mermet A; Stevenson I; Kozanecki M; Okrasa L;
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正文语种 eng
中图分类晶体学;
关键词
POLY(METHYL METHACRYLATE); GLASS TEMPERATURE; SCATTERING; POLYMER; DENSITY; NANOSTRUCTURE; TRANSITION; POSITRON; NEUTRON; STATES;

机译：聚甲基丙烯酸甲酯;玻璃温度;散射;聚合物;密度;纳米结构;转变;正电子;中子;状态;

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1. Physical aging of atactic polystyrene as seen by dielectric relaxational and low-frequency vibrational Raman spectroscopies [J] . Wypych A, Duval E, Boiteux G, Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites . 2005,第33a36期

机译：介电弛豫和低频振动拉曼光谱研究无规聚苯乙烯的物理老化
2. Erratum: Vibrational relaxation and dynamical transitions in atactic polystyrene (Macromolecules (2009) 42 (435)) [J] . Painter P., Zhao H., Park Y. Macromolecules . 2010,第15期

机译：勘误：无规聚苯乙烯中的振动弛豫和动力学转变（大分子（2009）42（435））
3. Vibrational Relaxation and Dynamical Transitions in Atactic Polystyrene [J] . Painter P, Zhao HQ, Park Y Macromolecules . 2009,第1期

机译：无规聚苯乙烯中的振动弛豫和动力学转变
4. Study of the Thermal Behavior of Syndiotactic and Atactic Polystyrene By Raman Spectroscopy [C] . Nadege Brun, Patrice Bourson, Samuel Margueron, International Conference on Material Forming . 2011

机译：拉曼光谱法研究同态和atactic聚苯乙烯的热行为
5. Theoretical studies with molecular dynamics simulation and instantaneous normal modes theory: Fifth-order Raman spectroscopy and vibrational relaxation. [D] . Ma, Ao. 2003

机译：用分子动力学模拟和瞬时法则理论进行的理论研究：五阶拉曼光谱和振动弛豫。
6. Quartz-enhanced photoacoustic spectroscopy exploiting low-frequency tuning forks as a tool to measure the vibrational relaxation rate in gas species [O] . Stefano Dello Russo, Angelo Sampaolo, Pietro Patimisco, 2021

机译：石英增强的光声光谱利用低频调谐叉作为测量气体物种中振动松弛率的工具
7. Study of the Thermal Behavior of Syndiotactic and Atactic Polystyrene By Raman Spectroscopy [O] . Brun, N., Bourson, P., Margueron, S., 2011

机译：拉曼光谱研究间同立构和无规聚苯乙烯的热行为

Physical aging of atactic polystyrene as seen by dielectric relaxational and low-frequency vibrational Raman spectroscopies

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