__________________________________________________________________Referências Bibliográficas 94 - Ba<strong>de</strong>, O. M., Blom, R. e Ystenes, M., “A study of the catalyst formed when reacting lithium-alkyls with Cr(II)/SiO2: ethylene polymerisation, diffuse reflectance infrared fourier transform spectroscopy and gas chromatography results”, J. Mol. Catal. A: Chemical, 135, 163-179, 1998. 95 - McDaniel, M. P. e Johnson, M. M., "Comparison of Cr/SiO2 and Cr/AlPO4 polymerizationm catalysts. 2. Chain transfer", Ma<strong>cromo</strong>lecules, 20, 773-778, 1987. 96 - Kallenbach, L. R., "Catalyst treated with boron compound prior to activation", US Patent 3.484.428, 1969. 97 - Sheppard, N. e Yates, D. J. C., “Changes in the the infra-red spectra of molecules due to physical adsorption, Proc. Roy. Soc. Ser-A, A238 (1212), 69-89, 1956. 98 - Nishimura, M. e Thomas, J. M., “Probing the early stages of polymerization of ethylene on a mo<strong>de</strong>l chromium/silica catalyst by Fourier transform infrared spectroscopy”, Cat. Lett., 19, 33-41, 1993. 99 - Grayson, M. E. e McDaniel, M. P., “Sulfi<strong>de</strong> poisoning of ethylene polymerization over Phillips Cr/silica catalyst”, J. Mol. Catal., 65, 139-144, 1991. 100 - Billmeyer, F. W. Jr., “Textbook of polymer science”, John Wiley & Sons, 3 a ed., 1984. 101 - Nichols, J. B., “X-ray and infrared studies on the extent of crystallization of polymers”, J. Appl. Phys., 25 (7), 840-847, 1954. 102 - Hogan, J. P., “Catalysis of the Phillips petroleum company polyethylene process”, Appl. Ind. Catal., vol. 1, 149-176, 1983. 103 - Scott, S. L. e Ajjou, J. A. N., "Surface organometallic investigation of the mechanism of ethylene polymerization by silica-supported Cr catalysts", Chem. Eng. Science, 56, 4155-4168, 2001. 104 - Koening, J. L., "Spectroscopy of polymers", Washington DC: Wiley. 105 - Beach, D. L. e Kissin, Y. V., "Encyclopedia of polymer science and engineering", V. 6, p. 483, John Wiley & Sons, 1986. 106 - Caminiti, R., Pandolfi, L. e Ballirano, P., “Structure of polyethylene from X-ray pow<strong>de</strong>r diffraction: influence of the amorphous fraction on <strong>da</strong>ta analysis”, J. Ma<strong>cromo</strong>lecular Sci – Physics, B39 (4), 481-492, 2000. 210
__________________________________________________________________Referências Bibliográficas 107 - Karol, F. J. e Johnson, R. N., “Ethylene polymerization studies with supported cyclopentadienyl, arene, and allyl chromium catalysts”, J. Pol. Sci.: Pol. Chem. Ed., 13, 1607-1617, 1975. 108 - Blom, R., Dahl, I., Follestad, A. e Jen, K. J., “Isomerization on the CrCp2/SiO2 catalyst during polymerization of ethylene pressure <strong>de</strong>pen<strong>de</strong>nce”, J. Mol. Catal. A: Chem., 138, 97-102, 1999. 109 - Fu, S-L. e Lunsford, J. H., “Chemistry of organochromium complexes on inorganic oxi<strong>de</strong> supports. 2. Interactions of carbon oxi<strong>de</strong>s with chromocene on silica catalysts”, Langmuir, 6, 1784-1792, 1990. 110 - Fu, S-L., Rosynek, M. P. e Lunsford, J. H., “Chemistry of organochromium complexes on inorganic oxi<strong>de</strong> supports. 4. Study of ethylene polymerization over chromocene on silica catalysts”, Langmuir, 7, 1179-1187, 1991. 111 - Karol, F. J., Karapinka, G. L., Wu, C., Dow, A. W., Johnson, R. N. e Carrick, W. L., “Chromocene catalysts for ethylene polymerization: scope of the polymerizaton”, J. Pol. Sci., Part A-1, 10, 2621, 1972. 112 - Zakharov, V. A. e Yermakov, Y. I., “Supported organometallic catalysts for olefin polymerization”, Catal. Rev. -Sci. Eng., 19(1), 67-103, 1979. 113 - Coutinho, F. M. B., Iwamoto, R. K., Costa, M. A. S. e Santa Maria, L. C., “Polymerization of ethylene by chromium acetylacetonate/methylaluminoxane catalyst system”, Pol. Bull., 40, 695-700, 1998. 211
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