Artículo
Goyanes, S.N. "Dynamic mechanical behavior of atactic and high-impact polystyrene" (2000) Journal of Applied Polymer Science. 75(7):865-873
Consulte la política de Acceso Abierto del editor
Abstract:
Results of the dynamic mechanical behavior of atactic polystyrene (PS) and high-impact polystyrene (HIPS) for temperatures between 300 and 425 K at a frequency of the order of 50 kHz are presented. The storage Young's modulus, (E′), of the HIPS is lower than the PS value, being the relationship between them a function of the rubber phase volume fraction, independent of the measurement frequency. The glass transition temperature (Tg) of HIPS is shifted to lower temperature in respect to the PS. The γ relaxation appears at 308 K in PS at 50 kHz, while it seems to move toward lower temperatures in the HIPS. Both shifts are attributed to the presence of mineral oils in the HIPS. The values of E′, Tg, and the temperature of the γ relaxation at 50 kHz are discussed within the scope of the theory of viscoelasticity. Finally, the effect of thermal treatments, using different annealing times, on the behavior of both materials is shown.
Registro:
| Documento: | Artículo |
| Título: | Dynamic mechanical behavior of atactic and high-impact polystyrene |
| Autor: | Goyanes, S.N. |
| Ciudad: | New York |
| Filiación: | Lab. Propiedades Mecanicas Poli. M., Dpto. de Física, Ciudad Universitaria, 1428 Buenos Aires, Argentina |
| Palabras clave: | Annealing; Elastic moduli; Glass transition; Mineral oils; Relaxation processes; Thermal effects; Viscoelasticity; Volume fraction; Atactic polystyrene; High impact polystyrene; Polystyrenes |
| Año: | 2000 |
| Volumen: | 75 |
| Número: | 7 |
| Página de inicio: | 865 |
| Página de fin: | 873 |
| DOI: | http://dx.doi.org/10.1002/(SICI)1097-4628(20000214)75:7<865::AID-APP2>3.0.CO;2-H |
| Título revista: | Journal of Applied Polymer Science |
| Título revista abreviado: | J. Appl. Polym. Sci. |
| ISSN: | 00218995 |
| CODEN: | JAPNA |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00218995_v75_n7_p865_Goyanes |
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Citas:
---------- APA ----------
(2000) . Dynamic mechanical behavior of atactic and high-impact polystyrene. Journal of Applied Polymer Science, 75(7), 865-873.http://dx.doi.org/10.1002/(SICI)1097-4628(20000214)75:7<865::AID-APP2>3.0.CO;2-H
---------- CHICAGO ----------
Goyanes, S.N. "Dynamic mechanical behavior of atactic and high-impact polystyrene" . Journal of Applied Polymer Science 75, no. 7 (2000) : 865-873.http://dx.doi.org/10.1002/(SICI)1097-4628(20000214)75:7<865::AID-APP2>3.0.CO;2-H
---------- MLA ----------
Goyanes, S.N. "Dynamic mechanical behavior of atactic and high-impact polystyrene" . Journal of Applied Polymer Science, vol. 75, no. 7, 2000, pp. 865-873.http://dx.doi.org/10.1002/(SICI)1097-4628(20000214)75:7<865::AID-APP2>3.0.CO;2-H
---------- VANCOUVER ----------
Goyanes, S.N. Dynamic mechanical behavior of atactic and high-impact polystyrene. J. Appl. Polym. Sci. 2000;75(7):865-873.http://dx.doi.org/10.1002/(SICI)1097-4628(20000214)75:7<865::AID-APP2>3.0.CO;2-H
