Effect of calcium salts of glutaric acid and pimelic acid on the formation of β crystalline form in isotactic polypropylene

Polymer - Plastics Technology and Engineering

Volumn 47, Issue 9, 2008, Pages 851-857

  Dou, Qiang ^a  

^a NANJING TECH UNIVERSITY   (China)

Author keywords

crystalline form; Calcium glutarate; Calcium pimelate; Crystallization; Poly(propylene); Polymorphism

Indexed keywords

CALCIUM; CALCIUM ALLOYS; CRYSTALLINE MATERIALS; PLASTIC PRODUCTS; SALTS; THERMOPLASTICS;

CALCIUM GLUTARATE; CALCIUM PIMELATE; CRYSTALLINE FORMS; CRYSTALLIZATION; EFFECT OF CALCIUM; GLUTARATE; GLUTARIC ACID; ISOTACTIC-POLYPROPYLENE; ISOTHERMAL CRYSTALLIZATION; PIMELIC ACID; POLY(PROPYLENE); POLYMORPHISM;

POLYPROPYLENES;

ACID; CRYSTALLINE ORIENTATION; CRYSTALLIZATION; NUCLEATION; POLYPROPYLENE; TEMPERATURE EFFECT;

EID: 49949105915     PISSN: 03602559     EISSN: 15256111     Source Type: Journal    
DOI: 10.1080/03602550802188938     Document Type: Article

References (43)

1. Fujiyama, M. (1999) Drawing of β-crystal nucleator-added PP. Int. Polym. Process, 14, p. 75.
2. Shi, G. and Zhang, X. (1992) Effect of β-nucleator content on the crystallization and melting behavior of β-crystalline phase poly(propylene). Thermochim. Acta, 205, p. 235.
3. Shi, G., Zhang, X. and Qiu, Z. (1992) Crystallization kinetics of β-phase poly(propylene). Makromol. Chem., 193, p. 583.
4. Shi, G., Zhang, X., Cao, Y. and Hong, J. (1993) Melting behavior and crystalline order of β-crystalline phase poly(propylene). Makromol. Chem., 194, p. 269.
5. Zhang, X. and Shi, G. (1994) The effect of a β-nucleator on the crystallization and melting behavior of ethylene/propylene random and block copolymer. Thermochim. Acta, 235, pp. 49-59.
6. Zhang, X. and Shi, G. (1994) Effect of converting the crystalline form from α to β on the mechanical properties of ethylene/ propylene random and block copolymer. Polymer, 35, p. 5067.
7. Varga, J., Mudra, I. and Ehrenstein, G. W. (1999) Crystallization and melting of β-nucleated isotactic polypropylene. J. Therm. Anal. Cal., 56, p. 1047.
8. Varga, J., Mudra, I. and Ehrenstein, G. W. (1999) Highly active thermally stable β-nucleating agents for isotactic polypropylene. J. Appl. Polym. Sci., 74, p. 2357.
9. Huo, H., Jiang, S., An, L. and Feng, J. (2004) Influence of shear on crystallization behavior of the β phase in isotactic polypropylene with β-nucleating agent. Macromolecules, 37, p. 2478.
10. Mathieu, C., Thierry, A., Wittmann, J. C. and Lotz, B. (2002) Specificity and versatility of nucleating agents toward isotactic polypropylene crystal phases. J. Polym. Sci. Part B: Polym. Phys., 40, p. 2504.
11. Obadal, M., Cemark, R., Baran, N., Stoklasa, K. and Simonik, J. (2004) Impact strength of β-nucleated polypropylene. Int. Polym. Process., 19, p. 35.
12. Tjong, S. C., Shen, J. S. and Li, R. K. Y. (1995) Impact fracture toughness of β-form polypropylene. Scripta Metall. Mater., 33, p. 503.
13. Tjong, S. C., Shen, J. S. and Li, R. K. Y. (1996) Mechanical behavior of injection molded β-crystalline phase polypropylene. Polym. Eng. Sci., 36, p. 100.
14. Tjong, S. C., Shen, J. S. and Li, R. K. Y. (1996) Morphological behaviour and instrumented dart impact properties of β-crystalline-phase polypropylene. Polymer, 37, p. 2309.
15. Cramez, M. C., Oliveira, M. J. and Crawford, R. J. (2001) Effects of nucleating agents and cooling rate on the microstructure and properties of a rotational moulding grade of polypropylene. J. Mater. Sci., 36, p. 2151.
16. Trongtorsak, K., Supaphol, P. and Tantayanon, S. (2004) Effect of calcium stearate and pimelic acid addition on mechanical properties of heterophasic isotactic polypropylene/ethylene-propylene rubber blend. Polym. Test., 23, p. 533.
17. Sterzynski, T. and Oysaed, H. (2004) Structure modification of isotactic polypropylene by bi-component nucleating systems. Polym. Eng. Sci., 44, p. 352.
18. Li, J. X. and Cheung, W. L. (1997) Pimelic acid-based nucleating agents for hexagonal crystalline polypropylene. J. Vinyl Add. Tech., 3, p. 151.
19. Li, J. X. and Cheung, W. L. (1997) Effect of mould temperature on the formation of α/β polypropylene blends in injection moulding. J. Mater. Process. Technol., 63, p. 472.
20. Li, J. X. and Cheung, W. L. (1998) On the deformation mechanisms of β-polypropylene: 1. effect of necking on β-phase PP crystals. Polymer, 39, p. 6935.
21. 4 staining and lamellar structure of β- and β-PP. J. Appl. Polym. Sci., 72, p. 1529.
22. Li, J. X. and Cheung, W. L. (1999) Conversion of growth and recrystallisation of β-phase in doped iPP. Polymer, 40, p. 2085.
23. Li, J. X., Cheung, W. L. and Jia, D. (1999) A study on the heat of fusion of β-polypropylene. Polymer, 40, p. 1219.
24. Varga, J. and Schulek-Toth, F. (1996) Crystallization, melting and spherulitic structure of β-nucleated random propylene copolymers. J. Therm. Anal., 47, p. 941.
25. Karger-Kocsis, J. and Varga, J. (1996) Effects of β-α transformation on the static and dynamic tensile behavior of isotactic polypropylene. J. Appl. Polym. Sci., 62, p. 291.
26. Varga, J. and Ehrenstein, G. W. (1997) High-temperature hedritic crystallization of the β-modification of isotactic polypropylene. Colloid Polym. Sci., 275, p. 511.
27. Trifonova, D., Varga, J. and Vancso, G. J. (1998) AFM study of lamellar thickness distributions in high temperature melt-crystallization of β-polypropylene. Polym. Bull., 41, p. 341.
28. Vancso, G. J., Beekmans, L. G. M., Pearce, R., Trifonova, D. and Varga, J. (1999) From microns to nanometers: Morphology development in semicrystalline polymers by scanning force microscopy. J. Macromol. Sci. Phys., p. 491.
29. Karger-Kocsis, J., Moos, E., Mudra, I. and Varga, J. (1999) Effects of molecular weight on the perforation impact behavior of injection-molded plaques of α- and β-phase isotactic polypropylene. J. Macromol. Sci. Phys., p. 647.
30. Trifonova, D., Varga, J., Ehrenstein, G. W. and Vancso, G. J. (2000) Features of the hedritic morphology of β-isotactic polypropylene studied by atomic force microscopy. J. Polym. Sci. Part B: Polym. Phys., 38, p. 672.
31. Karger-Kocsis, J., Varga, J. and Drummer, D. (2002) Instrumented falling weight impact of coinjection-molded multipolypropylene sandwich plaques containing β-phase polypropylene core. J. Macromol. Sci. Phys., p. 881.
32. Chen, H. B., Karger-Kocsis, J., Wu, J. S. and Varga, J. (2002) Fracture toughness of α- and β-phase polypropylene homopolymers and random- and block-copolymers. Polymer, 43, p. 6505.
33. Juhasz, P., Varga, J., Belina, K. and Marand, H. (2002) Determination of the equilibrium melting point of the β-form of polypropylene. J. Therm. Anal. Cal., 69, p. 561.
34. Juhasz, P., Varga, J., Belina, K. and Belina, G. (2002) Efficiency of β-nucleating agents in polypropylene/α-olefin copolymers. J. Macromol. Sci. Phys., p. 1173.
35. Varga, J. and Menyhard, A. (2003) Crystallization, melting and structure of polypropylene/poly(vinylidene-fluoride). J. Therm. Anal. Cal., 73, p. 735.
36. Menyhard, A., Varga, J., Liber, A. and Belina, G. (2005) Polymer blends based on the β-modification of polypropylene. Eur. Polym. J., 41, p. 669.
37. Menyhard, A. and Varga, J. (2006) The effect of compatibilizers on the crystallization, melting and polymorphic composition of β-nucleated isotactic polypropylene and polyamide 6 blends. Eur. Polym. J., 42, p. 3257.
38. Huy, T. A., Adhikari, R., Lüpke, T., Henning, S. and Michler, G. H. (2004) Molecular deformation mechanisms of isotactic polypropylene in α- and β-crystal forms by FTIR spectroscopy. J. Polym. Sci. Part B: Polym. Phys., 42, p. 4478.
39. Lezak, E., Bartczak, Z. and Galeski, A. (2006) Plastic deformation behavior of β-phase polypropylene in plane-strain compression at room temperature. Polymer, 47, p. 8562.
40. Xie, H., Zhang, S. and Xie, D. (2005) An efficient way to improve the mechanical properties of polypropylene/short glass fiber composites. J. Appl. Polym. Sci., 96, p. 1414.
41. Li, X., Hu, K., Ji, M., Huang, Y. and Zhou, G. (2002) Calcium dicarboxylates nucleation of β-polypropylene. J. Appl. Polym. Sci., 86, p. 633.
42. Dou, Q. (2008) Effect of the composition ratio of pimelic acid/calcium stearate bicomponent nucleator and crystallization temperature on the production of β crystal form in isotactic polypropylene. J. Appl. Polym. Sci., 107, p. 958.
43. Turner-Jones, A., Aizlewood, J. M. and Beckett, D. R. (1964) Crystalline forms of isotactic polypropylene. Makromol. Chem., 75, p. 134.