Synchrotron Infrared Microscopy Study of the Crystalline Morphology of the Interphase in Polypropylene/LCP-Fiber Model Composites

Journal of Macromolecular Science - Physics

Volumn 43 B, Issue 1, 2004, Pages 191-206

  Ellis, G ^a   Gomez M A ^a   Marco, C ^a  

^a INSTITUTO DE CIENCIA Y TECNOLOGÍA DE POLÍMEROS   (Spain)

Author keywords

Crystalline morphology; Fiber reinforced concrete; Liquid crystalline polymer; Polyproylene; Synchrotron infrared microscopy

Indexed keywords

CRYSTAL STRUCTURE; ELECTROMAGNETIC WAVE POLARIZATION; FIBER REINFORCED MATERIALS; INFRARED RADIATION; LIQUID CRYSTAL POLYMERS; MICROSTRUCTURE; MORPHOLOGY; REINFORCED CONCRETE;

CRYSTALLINE MORPHOLOGY; FIBER-REINFORCED CONCRETE; SYNCHROTON INFRARED MICROSCOPY;

POLYPROPYLENES;

EID: 1642382887     PISSN: 00222348     EISSN: None     Source Type: Journal    
DOI: 10.1081/MB-120027758     Document Type: Conference Paper

References (51)

1. La Mantia, F.P. Ed. Thermotropic Liquid Crystal Polymer Blends; Technomic Publishing Co. Inc.: Lancaster, USA, 1993.
2. Isayev, A.I.; Kyu, S.Z.D.; Cheng, T. Eds. Liquid Crystal Polymer Systems: Technological Advances; ACS: Washington, USA, 1996.
3. Mallick, P.K. Fiber-Reinforced Composites; Marcel Dekker: New York, USA, 1988.
4. Baird, D.G.; McLeod, M. Liquid crystal polymer blends. In Polymer Blends: Performance; Paul, D.R., Bucknall, C.B., Eds.; J. Wiley & Sons: New York, USA, 2000; Vol. 2, Chap. 32, 429.
5. Brostow, W. Polymer liquid crystals in high performance blends. In Polymer Blends and Alloys; Shonalke, G.O., Simon, G.P., Eds.; Marcel Dekker Inc.: New York, USA, 1999; Chap. 13, 365.
6. Isayev, A.I.; Kyu, T.; Cheng, S.Z.D. Eds. Liquid Crystal Polymer Systems: Technological Advances; ACS: Washington, USA, 1996.
7. Acierno, D.; Collyer, A.A. Polymer Liquid Crystals. 2. Rheology and Processing; Chapman and Hall: London, UK, 1996.
8. Kiss, G. In situ composites: Blends of isotropic polymers and thermotropic liquid crystalline polymers. Polym. Eng. Sci. 1987, 27, 410.
9. Plastics News, Resin Pricing. Crain Communications: http://www.plasticsnews.com (accessed December 2002).
10. Jenckel, E.; Teege, E.; Hinrichs, W. Transcrystallization in high molecular weight materials. Kolloid Zeits. 1952, 129, 19.
11. Varga, J. Crystallization, melting and supermolecular structure of isotactic polypropylene. In Polypropylene. Structure, Blends and Composites, Vol. 1, Structure and Morphology, Karger-Kocsis, J., Ed.; Chapman & Hall: London, England, 1995; Chap. 3, 56.
12. Folkes, M.J. Interfacial crystallization of polypropylene in composites. In Polypropylene. Structure, Blends and Composites, Vol. 3, Composites; Karger-Kocsis, J., Ed.; Chapman & Hall: London, England, 1995; Chap. 10, 340.
13. Jancar, J. Engineered interphases in polypropylene composites. In Handbook of Polypropylene and Polypropylene Composites; Karian, H.G., Ed.; Marcel Dekker: 1999; Chap. 11, 367.
14. Folkes, M.J.; Hardwick, S.T. The molecular weight dependence of transcrystallinity in fibre reinforced thermoplastics. J. Mater. Sci. Lett. 1984, 3, 1071.
15. Lovinger, A.J.; Chua, J.O.; Gryte, C.C. Studies on the α and β forms of isotactic polypropylene by crystallization in a temperature gradient. J. Polym. Sci. Polym. Phys. Ed. 1977, 15, 641.
16. Varga, J.; Karger-Kocsis, J. Rules of supermolecular structure formation in sheared isotactic polypropylene melts. J. Polym. Sci. Part B: Polym. Phys. Ed. 1996, 34, 657.
17. Zipper, P.; Janosi, A.; Wrentschur, E.; Abuja, P.M.; Knabl, C. Position resolved x-ray scattering of moldings from semicrystalline polymers. Prog. Colloid Polym. Sci. 1993, 93, 377.
18. Devaux, E.; Chabert, B. Nonisothermal crystallization of glass fiber-reinforced polypropylene. Polym. Commun. 1990, 31, 391.
19. Leugering, H.J. Influence of the crystalline structure and superstructure on some properties of polypropylene. Makromol. Chem. 1967, 109, 204.
20. Varga, J. Melting memory effect of the β-modification of polypropylene. J. Therm. Anal. 1986, 31, 165.
21. Varga, J.; Mudra, I.; Ehrenstein, G.W. Highly active thermally stable β-nucleating agents for isotactic polypropylene. J. Appl. Polym. Sci. 1999, 74, 2357.
22. Shi, G.; Zhang, J.; Cao, Y.; Hong, J. Melting behaviour and crystalline order of β-crystalline phase poly(propylene). Makromol. Chem. 1993, 194, 269.
23. Li, J.X.; Cheung, W.L. Conversion of growth and recrystallisation of β-phase in doped iPP. Polymer 1999, 40, 2085.
24. Marco, C.; Gómez, M.A.; Ellis, G.; Arribas, M.J. Activity of β-nucleating agent for isotactic polypropylene and its influence of polymorphic transitions. J. Appl. Polym. Sci. 2002, 86, 531.
25. Lustiger, A.; Marzinskymez, C.N.; Mueller, R.R; Wagner, H.D. Morphology and damage mechanisms of the transcrystalline interphase in polypropylene. J. Adhesion 1995, 53, 1.
26. Riekel, C. New avenues in X-ray microbeam experiments. Rep. Prog. Phys. 2000, 63, 233.
27. Riekel, C.; Karger-Kocsis, J. Structural investigation of the phase transformation in the plastic zone of a β-phase isotactic polypropylene by synchrotron radiation microdiffraction. Polymer 1999, 40, 541.
28. Assouline, E.; Watchel, E.; Grigull, S.; Lustiger, A.; Wagner, H.D.; Marom, G. Lamellar twisting in α isotactic polypropylene transcrystallinity investigated by synchrotron microbeam X-ray diffraction. Polymer 2001, 42, 6231.
29. Heppenstall-Butler, M.; Young, R.J. Investigation of axial fiber stresses in transcrystalline regions of single-fiber aramid/polypropylene composites using Raman spectroscopy. J. Mater. Sci. Lett. 1995, 14, 1638.
30. Fernández, M.R.; Merino, J.C.; Gobernado-Mitre, M.I.; Pastor, J.M. Molecular and lamellar orientation of α and β-transcrystalline layers in polypropylene composites by polarized confocal micro-Raman spectroscopy: Raman imaging by static point illumination. Appl. Spectrosc. 2000, 54, 1105.
31. Carr, G.L.; Dumas, P.; Hirschmugl, C.J.; Williams, G.P. Infrared synchrotron radiation programs at the National synchrotron light source. Il Nuovo Cimento 1998, 20, 375.
32. Dumas, P.; Carr, G.L.; Williams, G.P. Enhancing the lateral resolution in infrared microspectrometry by using synchrotron radiation: applications and perspectives. Analusis, Eur. J. Anal. Chem. 2000, 28, 68.
33. Marco, C.; Gómez, M.A.; Ellis, G.; Arribas, J.M. Highly efficient nucleating additive for isotactic polypropylene studied by differential scanning calorimetry. J. Appl. Polym. Sci. 2002, 84, 1669.
34. Dumas, P. MIRAGE Beamline Webpage, http://www.lure.u-psud.fr/Experiences/SACO/SA5/Anglaise/intro.htm (accessed December 2002).
35. Siesler, H.W.; Holland-Moritz, K. Infrared and Raman Spectroscopy of Polymers; Practical Spectroscopy Series; Marcel Dekker: New York, USA, 1980; Vol. 4, 249.
36. Samuels, R.J. Infrared dichroism, molecular structure, and deformation mechanisms of isotactic polypropylene. Makromol. Chem. Suppl. 1981, 4, 241.
37. Miyazawa, T. Theory of normal vibrations of helical polymers and vibrational assignment of the IR spectra of isotactic PP. J. Polym. Sci.: Part C 1964, 7, 59.
38. Snively, C.M.; Koenig, J.L. Fast FTIR imaging: A new tool for the study of semicrystalline polymer morphology. J. Polym. Sci. Part B: Polym. Phys. 1999, 37, 2353.
39. MacDonald, M.P.; Ward, I.M. The assignment of the infra-red absorption bands and the measurement of tacticity in polypropylene. Polymer 1961, 2, 341.
40. Ellis, G. unpublished results.
41. Turner-Jones, A.; Aizlewood, J.M.; Beckett, D.R. Crystalline forms of isotactic polypropylene. Macromol. Chem 1994, 75, 134.
42. Ellis, G; Gómez, M.A.; Marco, C. Int. J. Vibr. Spectrosc. 2001, 5 (4), 7, http://www.ijvs.com (accessed December 2003).
43. Ellis, G. Studies on the heterogeneity of polymeric systems by vibrational microscopy. Macromol. Symp. 2002, 184, 37.
44. Ellis, G.; Marco, C.; Gomez, M.A.; Collar, E.P.; García-Martínez, J.M. The study of heterogreneous polymer systems by synchrotron infrared microscopy. J. Macromol. Sci. Phys. 2004, B43, 251.
45. Ellis, G.; Marco, C.; Gómez, M.A.; Blancas, C. Characterization of structural heterogeneity in polymorphic polypropylene by vibrational scpectroscopy. Bol. Soc. Esp. Cerám. Vídrio, accepted.
46. Assouline, E.; Pohl, S.; Fulchiron, R.; Gerard, J.-F.; Lustiger, A.; Wagner, H.D.; Marom, G. The kinetics of α and β transcrystallization in fibre-reinforced polypropylene. Polymer 2000, 41, 7843.
47. Gómez, M.A.; Ellis, G.; Marco, C.; Torre, J.; Cortazar, M.; Riekel, C. Unpublished results.
48. Hata, T.; Osaka, K.; Yamada, T.; Nakamae, K.; Shibata, N.; Matsumoto, T. Transcrystalline region of polypropylene: its formation, structure and mechanical properties. J. Adhesion 1994, 45, 125.
49. Varga, J.; Karger-Kocsis, J. Interfacial morphologies in carbon fibre-reinforced polypropylene microcomposites. Polymer 1995, 36, 4877.
50. Wu, C-M.; Chen, M.; Karger-Kocsis, J. The role of metastability in the micromorphologic features of sheared isotactic polypropylene melts. Polymer 1999, 40, 4195.
51. Dean, D.M.; Rebenfeld, L.; Register, R.A.; Hsiao, B.S. Matrix molecular orientation in fiber-reinforced polypropylene composites. J. Mat. Sci. 1998, 33, 4797.