Abstract
The kinetics of isothermal cyclotrimerization of bifunctional hexamethylene diisocyanate and trifunctional isocyanurate in the presence of hexabutyldistannyl oxide as a catalyst has been studied with differential scanning calorimetry and dielectric relaxation spectroscopy. It has been demonstrated that a rise in the glass transition temperature in the course of cure of the trifunctional monomer is satisfactorily described by the equilibrium first-order kinetics. The evolution of dielectric parameters is similar for both samples but is characterized by a shift along the time scale because of different specific concentrations of isocyanate groups in the parent monomers. Given the same catalyst concentration, the trimerization of hexamethylene diisocyanate proceeds at a higher rate than that of isocyanurate. For maximally cured systems, this effect manifests itself as a small increase in the glass transition temperature and the shear modulus in the rubbery state and a change in the temperature interval of α relaxation.
Similar content being viewed by others
References
P. Hedvig, Dielectric Spectroscopy of Polymers (Adam Hilger, Bristol, 1977).
M. B. M. Mangion and G. P. Johari, J. Polym. Sci., Part B: Polym. Phys. 28, 1621 (1990).
M. B. M. Mangion and G. P. Johari, Macromolecules 23, 3687 (1990).
M. G. Parthun and G. P. Johari, Macromolecules 25, 3254 (1992).
I. Alig and G. P. Johari, J. Polym. Sci., Part B: Polym. Phys. 31, 299 (1993).
D. A. Wasylyshyn and G. P. Johari, J. Polym. Sci., Part B: Polym. Phys. 35, 437 (1997).
S. D. Senturia and N. F. Sheppard, Adv. Polym. Sci. 80, 1 (1986).
D. E. Kranbuehl, in Dielectric Spectroscopy of Polymeric Materials. Fundamentals and Applications, Ed. by J. P. Runt and J. J. Fitzgerald (American Chemical Society, Washington, DC, 1997), Chap. 7.
J. Fournier, G. Williams, and P. A. Holmes, Macromolecules 30, 2042 (1997).
F. Salehli, O. Kamer, H. Catalgi-Giz, et al., J. Non-Cryst. Solids 305, 183 (2002).
M. Tabellout, H. Randrianantoandro, J. R. Emery, et al., Polymer 36, 4547 (1995).
I. Alig, W. Jenninger, M. Junker, and L. A. Graaf, J. Macromol. Sci., Phys. 35, 563 (1996).
I. Alig and W. Jenninger, J. Polym. Sci., Part B: Polym. Phys. 36, 2461 (1998).
J. Mijovic, M. Shen, J. W. Sy, and I. Mondragon, Macromolecules 33, 5235 (2000).
B. D. Fitz and J. Mijovic, J. Phys. Chem., B 104, 12215 (2000).
B. D. Fitz and J. Mijovic, Macromolecules 33, 887 (2000).
V. Yu. Kramarenko, T. A. Ezquerra, F. J. Balta-Calleja, and V. P. Privalko, J. Mater. Sci. 35, 5021 (2000).
V. Yu. Kramarenko, T. A. Ezquerra, I. Sics, et al., J. Chem. Phys. 113, 447 (2000).
V. Yu. Kramarenko and V. P. Privalko, Polymer Science, Ser. A 46, 143 (2004) [Vysokomol. Soedin., Ser. A 46, 265 (2004)].
E. R. Badamshina, V. P. Lodygina, V. A. Grigor’eva, et al., Polymer Science, Ser. B 38, 132 (1996) [Vysokomol. Soedin., Ser. B 38, 498 (1996)].
E. R. Badamshina, V. A. Grigor’eva, V. V. Komratova, et al., Polymer Science, Ser. A 35, 179 (1993) [Vysokomol. Soedin., Ser. A 35, 157 (1993)].
I. I. Nazarova and S. M. Baturin, Polymer Science, Ser. A 35, 1635 (1993) [Vysokomol. Soedin., Ser. A 35, 1935 (1993)].
V. P. Privalko, V. Yu. Kramarenko, and A. M. Feinleib, Macromol. Chem., Macromol. Symp. 44, 247 (1991).
V. P. Privalko and V. Yu. Kramarenko, J. Polym. Eng. 13, 223 (1994).
V. Yu. Kramarenko, I. Alig, V. P. Privalko, et al., J. Macromol. Sci., Phys. 44, 739 (2005).
A. T. DiBenedetto, J. Polym. Sci., Part B: Polym. Phys. 25, 1949 (1987).
O. Georgion, J. Galy, and J.-P. Pascault, J. Appl. Polym. Sci. 49, 1441 (1993).
V. A. Topolkarev, V. G. Oshmyan, Al. Al. Berlin, et al., Dokl. Akad. Nauk SSSR 225, 1124 (1975).
R. Casalini, A. Livi, P. A. Rolla, et al., Phys. Rev. B: Condens. Matter 53, 564 (1996).
J. Mijovic, F. Bellucci, and L. Nicolais, J. Electrochem. Soc. 142, 1176 (1995).
L. E. Nielsen, Mechanical Properties of Polymers and Composites (Marcel Dekker, New York, 1974; Khimiya, Moscow, 1978).
Author information
Authors and Affiliations
Additional information
Original Russian Text © V.Yu. Kramarenko, S.M. Dudkin, I. Alig, V.P. Privalko, 2006, published in Vysokomolekulyarnye Soedineniya, Ser. A, 2006, Vol. 48, No. 11, pp. 1957–1967.
Rights and permissions
About this article
Cite this article
Kramarenko, V.Y., Dudkin, S.M., Alig, I. et al. Kinetics of formation and properties of aliphatic polyisocyanurates: Effect of monomer functionality. Polym. Sci. Ser. A 48, 1147–1156 (2006). https://doi.org/10.1134/S0965545X06110034
Received:
Revised:
Issue Date:
DOI: https://doi.org/10.1134/S0965545X06110034