Hostname: page-component-78c5997874-m6dg7 Total loading time: 0 Render date: 2024-11-14T17:14:21.357Z Has data issue: false hasContentIssue false
  • English
  • Français

Induction of β Phase Nucleated Polypropylene using a CaCO3 Micrometer in Industrial Conditions

Published online by Cambridge University Press:  01 February 2011

D. P. Nava ,
C. A. Morales ,
R. T. Lozano  and
G. F. Rodríguez
D. P. Nava
Affiliation:
Instituto Tecnológico de Cd. Madero, División de Posgrado e Investigación Juventino Rosas y Jesús Urueta, Col. Los Mangos, C.P. 89440. Cd. Madero, Tamaulipas, México. Tel/fax: +52 (833) 215–8544 Email: pnavad@hotmail.com
C. A. Morales
Affiliation:
Instituto Tecnológico de Cd. Madero, División de Posgrado e Investigación Juventino Rosas y Jesús Urueta, Col. Los Mangos, C.P. 89440. Cd. Madero, Tamaulipas, México. Tel/fax: +52 (833) 215–8544 Email: pnavad@hotmail.com
R. T. Lozano
Affiliation:
Universidad Autónoma de Tamaulipas, Facultad de Ingeniería “Fernando Narro Siller” Av. Universidad y Blvd.. Adolfo López Mateos, Col. Universidad C.P. 89000. Tampico Tamaulipas, México.
G. F. Rodríguez
Affiliation:
Centro de Investigación de Química Aplicada (CIQA)
Get access

Abstract

With the aim of inducing the β modification in isotactic propylene (iPP), three industrial processes were tested, and calcium carbonate with a particulate size of 0.7 microns was used as the nucleating agent. A surface modification was carried out as a part of the calcium carbonate with stearic acid and it was used; however, the other part was used without surface modification. They were made from master batches using TSE. Dilutions in cast film were made from master batches using single screw extruder (SSE). Finally, annealed films were made with a heating press. So, β phase content of the TSE sample, SSE sample, and the annealed sample were measured by X-Ray diffraction (XRD) and their thermal behavior was measured by Differential Scanning Calorimetry (DSC). The β spherulites where also observed by Product Lifecycle Management (PLM).

Keywords

crystalpolymerx-ray diffraction
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1275: Structural and Chemical Characterization of Metals, Alloys and Compounds , 2010 , S3-P78
Copyright
Copyright © Materials Research Society 2010

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

1. Somani, R. H., Hsiao, B.S., Nogales, A., Fruitwala, H., S, Srinivas, Tsou, A.H., Macromolecules, (34), 5902 (2001).Google Scholar
2. Huo, H., Jiang, S., Feng, L., J. Macromolecules, (37), 2478 (2004).Google Scholar
3. Lozano, T., Fleur, D.G. La, Grmela, M., Thibodeau, C., Polymer Engineering & Science, (44)5, 880 (2004).Google Scholar
4. Patent PCT WO 03/097731 A1, , Agent VA Tech GmbH, 27 November (2003).Google Scholar
5. Tabtiang, A., and Venables, R., Composites Interfaces, 6(1), 65 (1999).Google Scholar
6. Vargas, J., Cristallization, melting & supermolecular structure of iPP” in: Karger-Kocsis, J. Ed. Polypropylene: Structure, Blends & Composites: 1, London, Chapman & Hall (1995)Google Scholar
7. Vychopnova, J., Habrova, V., Cabla, R., Obadal, M., Cermak, R., “The effect of β-nucleation on crystallization behavior of isotactic polypropylene” (Proceeding of the 8th Polymers for Advanced Technologies International Symposium, Budapest, Hungary, 2005).Google Scholar
8. Marco, C., Blancas, C., Revista Iberoamericana de Polímeros, 7(1), 67 (2006).Google Scholar
9. Kotek, J., Kelnar, I., Baldrian, J., Raab, M., European Polymer Journal, (40), 679 (2004).Google Scholar
10. Shi, G., Zhang, X., Thermochemica Acta 205, (1992).Google Scholar
11. Marco, C., Blancas, C., Revista Iberoamericana de Polímeros, 7 (1), 43 (2006).Google Scholar
12. Padden, F. J., and Keith, H.D., Journal of Applied Physics, 30(10), 1479 (1959).Google Scholar
13. Lovinger, A. J., Chua, J.O. Gryte, C.C., “Studies on the alpha and beta form of isotactic polypropylene by crystallization in a temperature gradient”, Journal of Polymer Science, vol.15, 641–646, (1977).Google Scholar