Tactic polystyrene and styrene copolymers

Stereoselective Polymerization with Single-Site Catalysts

Volumn , Issue , 2007, Pages 363-398

  Ma, Haiyan ^a   Huang, Jiling ^a  

^a EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY   (China)

Author keywords

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EID: 84879843242     PISSN: None     EISSN: None     Source Type: Book    
DOI: None     Document Type: Chapter

References (130)

1. Natta, G.; Pino, P.; Mazzanti, G. Synthesis and structure of some crystalline polyhydrocarbons containing asymmetric carbon atoms in the principle chain. Chim. Ind. (Milan, Italy) 1955, 37, 927-932.
2. Chem. Abstr. 1956, 50, 52423.
3. Natta, G.; Danusso, F. Stereospecific polymerization of styrene. II. Notes and problems of crystalline polystyrene. Chim. Ind. (Milan, Italy) 1958, 40, 445-450.
4. Chem. Abstr. 1958, 52, 100986.
5. Ishihara, N.; Seimiya, T.; Kuramoto, M.; Uoi, M. Crystalline syndiotactic polystyrene. Macromolecules 1986, 19, 2464-2465.
6. Ishihara, N.; Kuramoto, M.; Uoi, M. Stereospecific polymerization of styrene giving the syndiotactic polymer. Macromolecules 1988, 21, 3356-3360.
7. Sinn, H.; Kaminsky, W.; Vollmer, H.-J.; Woldt, R. Living polymers with Ziegler catalysts of high productivity. Angew. Chem. 1980, 92, 396-402.
8. Chem. Abstr. 1980, 93, 72366.
9. Tomotsu, N.; Ishihara, N.; Newman, T. H.; Malanga, M. T. Syndiospecific polymerization of styrene. J. Mol. Catal. A: Chem. 1998, 128, 167-190.
10. Schellenberg, J.; Tomotsu, N. Syndiotactic polystyrene catalysts and polymerization. Prog. Polym. Sci. 2002, 27, 1925-1982.
11. Kaminsky, W.; Park, Y.-W. Syndiospecific polymerization of styrene with arene titanium(II) complexes as catalyst precursors. Macromol. Rapid Commun. 1995, 16, 343-346.
12. Zambelli, A.; Oliva, L.; Pellecchia, C. Soluble catalysts for syndiotactic polymerization of styrene. Macromolecules 1989, 22, 2129-2130.
13. Chien, J. C. W.; Salajka, Z. Syndiospecific polymerization of styrene. I. Tetrabenzyl titanium/methyl aluminoxane catalyst. J. Polym. Sci., Part A: Polym. Chem. 1991, 29, 1243-1251.
14. Longo, P.; Proto, A.; Zambelli, A. Syndiotactic specific polymerization of styrene: Driving energy of the steric control and reaction mechanism. Macromol. Chem. Phys. 1995, 196, 3015-3029.
15. 3/methylaluminoxane catalyst system. Macromolecules 1993, 26, 6664-6666.
16. 2/methylaluminoxane as the catalyst for the syndiotactic polymerization of styrene. Macromol. Rapid Commun. 2002, 23, 183-186.
17. Tomotsu, N.; Ishihara, N. Novel catalysts for syndiospecific polymerization of styrene. Catal. Sury. Jpn. 1997, 1, 89-110.
18. Green, M. L. H.; Ishihara, N. New ansa-metallocene of the group 4 transition metals as homogeneous catalysts for the polymerization of propene and styrene. J. Chem. Soc., Dalton Trans. 1994, 657-665.
19. Campbell, R. E., Jr.; Newman, T. H.; Malanga, M. T. MAObased catalysts for syndiotactic polystyrene (sPS). Macromol. Symp. 1995, 97, 151-160.
20. Kucht, A.; Kucht, H.; Barry, S.; Chien, J. C. W.; Rausch, M. D. New syndiospecific catalysts for styrene polymerization. Organometallics 1993, 12, 3075-3078.
21. Liu, J.; Ma, H.; Huang, J.; Qian, Y.; Chan, A. S. C. Syndiotactic polymerization of styrene with half-sandwich titanocenes. Eur. Polym. J. 1999, 35, 543-545.
22. *) as catalysts for syndiotactic polystyrene. J. Mol. Catal. A: Chem. 2004, 208, 45-54.
23. Flores, J. C.; Chien, J. C. W.; Rausch, M. D. {[2-(Dimethylamino)ethyl]cyclopentadienyl} trichlorotitanium: Anew type of olefin polymerization catalyst. Organometallics 1994, 13, 4140-4142.
24. Tian, G.; Xu, S.; Zhang, Y.; Wang, B.; Zhou, X. Siloxy-substituted tetramethylcyclopentadienyl and indenyl trichlorotitanium complexes for syndiospecific polymerization of styrene. J. Organomet. Chem. 1998, 558, 231-233.
25. 3as catalysts for syndiotactic polystyrene. Eur. Polym. J. 2004, 40, 1903-1908.
26. Qian, X.; Huang, J.; Qian, Y.; Wang, C. Syndiotactic polymerization of styrene catalyzed by alkenyl-substituted cyclopentadienyltitanium trichlorides. Appl. Organomet. Chem. 2003, 17, 277-281.
27. 5-Indenyl)trichlorotitanium. An improved syndiotactic polymerization catalyst for styrene. Macromolecules 1993, 26, 5822-5823.
28. Foster, P.; Chien, J. C.W.; Rausch, M. D. Highly stable catalysts for the stereospecific polymerization of styrene. Organometallics 1996, 15, 2404-2409.
29. Ready, T. E.; Chien, J. C. W.; Rausch, M. D. Alkyl-substituted indenyl titanium precursors for syndiospecific Ziegler-Natta polymerization of styrene. J. Organomet. Chem. 1996, 519, 21-28.
30. Ready, T. E.; Chien, J. C.W.; Rausch, M. D. New indenyl titanium catalysts for syndiospecific styrene polymerizations. J. Organomet. Chem. 1999, 583, 11-27.
31. Xu, G.; Cheng, D. Syndiospecific polymerization of styrene with half-sandwich titanocene catalysts. Influence of ligand pattern on polymerization behavior. Macromolecules 2000, 33, 2825-2831.
32. Stojkovic, O.; Kaminsky, W. Syndiospecific polymerization of styrene with aryl substituted indenyl half-sandwich titanocenes. Macromol. Chem. Phys. 2004, 205, 357-362.
33. Schneider, N.; Prosenc, M.-H.; Brintzinger, H.-H. Cyclopenta[1]phenanthrene titanium trichloride derivatives: Syntheses, crystal structure and properties as catalysts for styrene polymerization. J. Organomet. Chem. 1997, 545-546, 291-295.
34. Kaminsky, W.; Lenk, S.; Scholz, V.; Roesky, H.W.; Herzog, A. Fluorinated half-sandwich complexes as catalysts in syndiospecific styrene polymerization. Macromolecules 1997, 30, 7647-7650.
35. Xu, G.; Ruckenstein, E. Syndiospecific polymerization of styrene using fluorinated indenyltitanium complexes. J. Polym. Sci., Part A: Polym. Chem. 1999, 37, 2481-2488.
36. 2O. J. Mol. Catal. A: Chem. 2003, 192, 25-33.
37. 2Oas fluorinating reagent and their use in syndiotactic polymerization of styrene. J. Organomet. Chem. 2004, 689, 1503-1510.
38. Chien, J. C. W.; Salajka, Z. Syndiospecific polymerization of styrene. II Monocyclopentadienyltributoxy titanium/methylaluminoxane catalyst. J. Polym. Sci., Part A: Polym. Chem. 1991, 29, 1253-1263.
39. Chien, J. C.W.; Salajka, Z.; Dong, S. Syndiospecific polymerization of styrene. 3. Catalyst structure. Macromolecules 1992, 25, 3199-3203.
40. Liu, J.; Huang, J.; Qian, Y.; Wang, F.; Chan, A. S. C. A catalyst for syndiotactic polymerization of styrene. Polym. J. 1997, 29, 182-183.
41. iPr)/methylaluminoxane. Polym. Bull. 1996, 37, 719-721.
42. 2(OR)/MAO system. Eur. Polym. J. 2000, 36, 2055-2058.
43. 2(OR) catalysts on the syndiospecific polymerization of styrene. J. Mol. Catal. A: Chem. 2001, 170, 67-73.
44. 2(OR)/MAO system. Eur. Polym. J. 2002, 38, 1613-1618.
45. 2(OR) complexes. J. Polym. Sci., Part A: Polym. Chem. 2001, 39, 1817-1824.
46. Pellecchia, C.; Longo, P.; Proto, A.; Zambelli, A. Novel aluminoxane-free catalysts for syndiotacticspecific polymerization of styrene. Makromol. Chem., Rapid Commun. 1992, 13, 265-268.
47. Xu, G. Cationic titanocene catalysts for syndiospecific polymerization of styrene. Macromolecules 1998, 31, 586-591.
48. 3catalyst system active in the syndiospecific styrene polymerization. Macromol. Chem. Phys. 1995, 196, 1093-1100.
49. Flores, J. C.; Chien, J. C. W.; Rausch, M. D. [N, N′-Bis(trimethylsilyl)benzamidinato]titanium and -zirconium compounds. Synthesis and application as precursors for the syndiospecific polymerization of styrene. Organometallics 1995, 14, 1827-1833.
50. Xie, G.; Xu, X.; Zhou, N.; Yan, W.; Hu, Y.; Li, Y.; Chen, X.; Chang, W. Studies and developments of non-metallocene based catalysts for syndiotactic polymerization of styrene. Hecheng Shuzhi Ji Shuliao 1997, 14(2), 8-11.
51. Chem. Abstr. 1998, 129, 95773.
52. Yan, W.; Liu, L.; Jiang, T.; Li, D.; Zhou, N.; Hu, Y. Syndiotactic polystyrene catalytically prepared over β-diketonate titanium complexes/MAO and its thermal properties. Yingyong Huaxue 2001, 18(2), 116-119.
53. Chem. Abstr. 2001, 134, 326830.
54. Wang, J.; Liu, Z.; Wang, D.; Guo, D. Syndiospecific polymerization of styrene based on dichlorobis(1,3-diketonato)titanium/methylaluminoxane catalyst system: Effects of substituents on catalyst activity. Polym. Int. 2000, 49, 1665-1669.
55. Xu, X.; Zhou, N.; Xie, G. Syndiotactic polymerization of styrene using titanium-8-hydroxyquinolinate complexes/methylaluminoxane systems. Gaofenzi Xuebao 1997, 6, 746-748.
56. Chem. Abstr. 1998, 128, 128339.
57. Yong, L.; Huang, J.; Lian, B.; Qian, Y. Synthesis of titanium(IV) complexes with Schiff-base ligand and their catalytic activities for polymerization of ethylene and styrene. Chin. J. Chem. 2001, 19, 429-432.
58. Okuda, J.; Masoud, E. Syndiospecific polymerization of styrene using methylaluminoxane-activated bis(phenolato)titanium complexes. Macromol. Chem. Phys. 1998, 199, 543-545.
59. Yang, M., Cha, C., Shen, Z. Polymerization of styrene by rare earth coordination catalysts. Polym. J.1990, 22(10), 919-923.
60. Baudry-Barbier, D.; Camus, E.; Dormond, A.; Visseaux, M. Homogeneous organolanthanide catalysts for the selective polymerization of styrene without aluminium cocatalysts. Appl. Organomet. Chem.1999, 13, 813-817.
61. Sun, H.; Shen, Q.; Yang, M. New neutral Ni(II)- and Pd(II)-based initiators for polymerization of styrene. Eur. Polym. J. 2002, 38, 2045-2049.
62. Sun, H.; Li, W.; Han, X.; Shen, Q.; Zhang, Y. Indenyl nickel complexes: Synthesis, characterization and styrene polymerization catalysis. J. Organomet. Chem. 2003, 688, 132-137.
63. Luo, Y.; Baldamus, J.; Hou, Z. Scandium half-metallocene-catalyzed syndiospecific polymerization and styrene-ethylene copolymerization: Unprecedented incorporation of syndiotactic styrene-styrene sequences in styrene-ethylene copolymers. J. Am. Chem. Soc. 2004, 126, 13910-13911.
64. Kirillov, E.; Lehmann, C. W.; Razavi, A.; Carpentier, J.-F. Highly syndiospecific polymerization of styrene catalyzed by allyl lanthanide complexes. J. Am. Chem. Soc. 2004, 126, 12240-12241.
65. 3catalyst. Cuihua Xuebao 1998, 19(3), 251-254.
66. Chem. Abstr. 1998, 129, 41440.
67. Lin, S.; Wu, Q.; Chen, R.; Zhu, F. Syntheses and characterization of polypropene, polystyrene and their block copolymer with titanium catalysts. Macromol. Symp. 2003, 195, 63-68.
68. Kawabe, M.; Murata, M. Syndiospecific living polymerization of 4-methylstyrene and styrene with (trimethyl)pentamethylcyclopentadienyltitanium/tripentafluorophenylborane/trioctylaluminum catalytic system. J. Polym. Sci., Part A: Polym. Chem. 2001, 39, 3692-3706.
69. Soga, K.; Nakatani, H. Syndiotactic polymerization of styrene with supported Kaminsky-Sinn catalysts. Macromolecules 1990, 23, 957-959.
70. Pasquet, V.; Spitz, R. Improvement of supported catalysts for syndiotactic polymerization of styrene. Macromol. Chem. Phys. 1999, 200, 1453-1457.
71. 2-supported half-titanocene catalyst for syndiospecific polymerization of styrene. Macromol. Rapid Commun. 1997, 18, 875-882.
72. 3catalysts. Eur. Polym. J. 1996, 32, 1381-1385.
73. 2-supported half-titanocene catalyst for syndiospecific polymerization of styrene. Eur. Polym. J. 1999, 35, 127-132.
74. Kamisky, W.; Arrowsmith, D.; Strübel, C. Polymerization of styrene with supported half-sandwich complexes. J. Polym. Sci., Part A: Polym. Chem. 1999, 37, 2959-2968.
75. 3: A true Ziegler-Natta catalyst for the syndiotactic-specific polymerization of styrene. J. Am. Chem. Soc. 1995, 117, 6593-6594.
76. Pellecchia, C.; Longo, P.; Grassi, A.; Ammendola, P.; Zambelli, A. Synthesis of highly syndiotactic polystyrene with organometallic catalysts and monomer insertion. Makromol. Chem., Rapid Commun. 1987, 8, 277-279.
77. Longo, P.; Grassi, A.; Proto, A.; Ammendola, P. Syndiotactic polymerization of styrene: Mode of addition to the double bond. Macromolecules 1988, 21, 24-25.
78. Ammendola, P.; Pellecchia, C.; Longo, P.; Zambelli, A. Polymerization of vinyl monomers with achiral titanocene catalysts: From “like” to “unlike” 1, 3-asymmetric induction. Gazz. Chim. Ital. 1987, 117, 65-66.
79. Ewen, J. A. Mechanisms of stereochemical control in propylene polymerization with soluble group 4B metallocene/methylaluminoxane catalysts. J. Am. Chem. Soc. 1984, 106, 6355-6364.
80. +(R = alkyl) as both coordination polymerization catalysts and carbocationic polymerization initiators. Organometallics 1996, 15, 693-703.
81. Pellecchia, C.; Grassi, A. Syndiotactic-specific polymerization of styrene: Catalyst structure and polymerization mechanism. Top Catal. 1999, 7, 125-132.
82. Ready, T. E.; Gurge, R.; Chien, J. C. W.; Rausch, M. D. Oxidation states of active species for syndiotactic-specific polymerization of styrene. Organometallics 1998, 17, 5236-5239.
83. Grassi, A.; Zambelli, A. Reductive decomposition of cationic half-titanocene(IV) complexes, precursors of the active species in syndiospecific styrene polymerization. Organometallics 1996, 15, 480-482.
84. Grassi, A.; Lamberti, C.; Zambelli, A.; Mingozzi, I. Syndiospecific styrene polymerization promoted by half-titanocene catalysts: A kinetic investigation providing a closer insight to the active species. Macromolecules 1997, 30, 1884-1889.
85. 3] complexes identified as active species in syndiospecific styrene polymerization. Macromolecules 1998, 31, 5588-5891.
86. Mahanthappa, M. K.; Waymouth, R. M. Titanium-mediated syndiospecific styrene polymerizations: Role of oxidation state. J. Am. Chem. Soc. 2001, 123, 12093-12094.
87. Zambelli, A.; Longo, P.; Pellecchia, C.; Grasi, A. β-Hydrogen abstraction and regiospecific insertion in syndiotactic polymerization of styrene. Macromolecules 1987, 20, 2035-2037.
88. Minieri, G.; Corradini, P.; Guerra, G.; Zambelli, A.; Cavallo, L. A theoretical study of syndiospecific styrene polymerization with Cp-based and Cp-free titanium catalysts. 2. Mechanism of chain-end stereocontrol. Macromolecules 2001, 34, 5379-5385.
89. 3-modified Ziegler-Natta catalyst for the isotactic-specific polymerization of styrene. Macromol. Rapid Commun. 1994, 15, 873-877.
90. Soga, K.; Uozumi, T.;Yanagihara, H.; Siono, T. Polymerization of styrene with heterogeneous Ziegler-Natta catalysts. Makromol. Chem., Rapid Commun. 1990, 11, 229-234.
91. 4catalysts combined with MAO. Macromolecules 1990, 23, 1558-1560.
92. 3(AA)/methylaluminoxane. Macromolecules 1991, 24, 5476-5477.
93. Arai, T.; Ohtsu, T.; Suzuki, S. Homo- and copolymerization of styrene by bridged zirconocene complexes with benzindenyl ligands. Polym. Prepr. (Am. Chem. Soc., Div. Polym. Chem.) 1998, 39(1), 220-221.
94. Caporaso, L.; Izzo, L.; Sisti, I.; Oliva, L. Stereospecific ethylene-styrene block copolymerization with ansa-zirconocene-based catalyst. Macromolecules 2002, 35, 4866-4870.
95. Caporaso, L.; Izzo, L.; Oliva, L. Ethylene as catalyst reactivator in the propene-styrene copolymerization. Macromolecules 1999, 32, 7329-7331.
96. Capacchione, C.; Proto, A.; Ebeling, H.; Mülhaupt, R.; Möller, K.; Spaniol, T. P.; Okuda, J. Ancillary ligand effect on single-site styrene polymerization: Isospecificity of group 4 metal bis(phenolate) catalysts. J. Am. Chem. Soc. 2003, 125, 4964-4965.
97. Capacchione, C.; Proto, A.; Ebeling, H.; Mülhaupt, R.; Möller, K.; Manivannan, R.; Spaniol, T. P.; Okuda, J. Non-metallocene catalysts for the styrene polymerization: Isospecific group 4 metal bis(phenolate) catalysts. J. Mol. Catal. A: Chem. 2004, 213, 137-140.
98. 13C NMR evidence on isotactic polymerization of styrene. Makromol. Chem. 1990, 191, 237-242.
99. Po, R.; Cardi, N.; Santi, R.; Romano, A. M.; Zannoni, C.; Spera, S. Polymerization of styrene with nickel complex/methylaluminoxane catalytic systems. J. Polym. Sci., Part A: Polym. Chem. 1998, 36, 2119-2126.
100. Carlini, C.; Galletti, A. M. R.; Sbrana, G.; Caretti, D. Homo- and co-polymerization of styrene with ethylene by novel nickel catalysts. Polymer 2001, 42, 5069-5078.
101. Longo, P.; Grisi, F.; Proto, A.; Zambelli, A. New Ni(II) based catalysts active in the polymerization of olefins. Macromol. Rapid Commun. 1998, 19, 31-34.
102. 3as catalyst. Macromol. Rapid Commun. 1996, 17, 461-469.
103. Liu, L.; Gong, Z.; Zheng, Y.; Jing, X. Stereospecfic polymerization of styrene using homogeneous lanthanide catalyst. Macromol. Rapid Commun. 1997, 18, 859-864.
104. 13C-enriched Ziegler-Natta catalyst: Regioselectivity and enantioselectivity of the insertion into metal-methyl bonds. Macromolecules 1986, 19, 307-310.
105. Oliva, L.; Caporaso, L.; Pellecchia, C.; Zambelli, A. Regiospecificity of ethylene-styrene copolymerization with a homogeneous zirconocene catalyst. Macromolecules 1995, 28, 4665-4667.
106. 2-bridged ansazirconocene- based catalysts. Macromolecules 2003, 36, 9340-9345.
107. Nakatani, H.; Nitta, K.-H.; Soga, K.; Takata, T. Synthesis and thermal properties of poly(styreneco-4-methylstyrene) produced with syndiospecific metallocene catalysts. Polymer 1997, 38, 4751-4756.
108. Kawabe, M.; Murata M. Synthesis of block graft copolymer with syndiospecific living polymerization of styrene derivatives by (trimethyl)pentamethylcyclopentadienyl titanium/tris(pentafluorophenyl) borane/trioctylaluminium catalytic system. Macromol. Chem. Phys. 2001, 202, 1799-1805.
109. Kawabe, M.; Murata M. Syndiospecific living block copolymerization of styrenic monomers containing functional groups, and preparation of syndiotactic poly{(4-hydroxystyrene)-block-[(4- methylstyrene)-co-(4-hydroxystyrene)]}. Macromol. Chem. Phys. 2002, 203, 24-30.
110. Kim, K. H.; Jo, W. H.; Kwak, S.; Kim, K. U.; Hwang, S. S.; Kim, J. Synthesis and characterization of poly(styrene-co-4-[(tert-butyldimethylsilyl)oxy]styrene) as a precursor of hydroxyl-functionalized syndiotactic polystyrene. Macromolecules 1999, 32, 8703-8710.
111. Auer, M.; Nicolas, R.; Rosling, A.; Wilén, C.-E. Synthesis of novel-dl-α-tocopherol-based and sterically-hindered-phenol-based monomers and their utilization in copolymerizations over metallocene/MAO catalyst systems.Astrategy to remove concerns about additive compatibility and migration. Macromolecules 2003, 36, 8346-8352.
112. 3-methylaluminoxane catalyst. Polymer 1999, 40, 5977-5980.
113. 2/MAO catalyst. J. Polym. Sci., Part A: Polym. Chem. 2000, 38, 1241-1246.
114. Longo, P.; Grassi, A.; Oliva, L. Copolymerization of styrene and ethylene in the presence of different syndiospecific catalysts. Makromol. Chem. 1990, 191, 2387-2396.
115. iBu) in copolymerization of ethylene with styrene. J. Polym. Sci., Part A: Polym. Chem. 1999, 37, 1083-1093.
116. Pellecchia, C.; Pappalardo, D.; D’Arco, M.; Zambelli, A. Alternating ethylene-styrene copolymerization with a methylaluminoxane-free half-titanocene catalyst. Macromolecules 1996, 29, 1158-1162.
117. Oliva, L.; Longo, P.; Izzo, L.; Serio, M. D. Zirconocene-based catalysts for the ethylene-styrene copolymerization: Reactivity ratios and reaction mechanism. Macromolecules 1997, 30, 5616-5619.
118. 5-tert-butyl(dimethylfluorenylsilyl) amido]methyltitanium “cation”. Macromolecules 1998, 31, 2395-2402.
119. Arai, T.; Ohtsu, T.; Suzuki, S. Stereoregular and Bernoullian copolymerization of styrene and ethylene by bridged metallocene catalysts. Macromol. Chem. Phys. 1998, 19, 327-331.
120. Kakugo, M.; Miyatake, T.; Mizunuma, K. Polymerization of styrene and copolymerization of styrene with olefin in the presence of soluble Ziegler-Natta catalysts. Stud. Surf. Sci. Catal. 1990, 56, 517-529.
121. Capacchione, C.; D’Acunzi, M.; Motta, O.; Oliva, L.; Proto, A.; Okuda, J. Isolated ethylene units in isotactic polystyrene chain: Stereocontrol of an isospecific post-metallocene titanium catalyst. Macromol. Chem. Phys. 2004, 205, 370-373.
122. Capacchione, C.; Carlo, F. D.; Zannoni, C.; Okuda, J.; Proto, A. Propylene-styrene multiblock copolymers: Evidence for monomer enchainment via opposite insertion regiochemistry by a single-site catalyst. Macromolecules 2004, 37, 8918-8922.
123. Rosa, C. D.; Buono, A.; Caporaso, L.; Oliva, L. Structural characterization of syndiotactic propylenestyrene- ethylene terpolymers. Macromolecules 2003, 36, 7119-7125.
124. n/MAO (n = 3, X = acac; n = 4, X = O-tert-Bu). Macromol. Chem. Phys. 2000, 201, 393-400.
125. Ban, H. T.; Tsunogae, Y.; Shiono, T. Synthesis and characterization of cis-polybutadiene-block-synpolystyrene copolymers with a cyclopentadienyl titanium trichloride/modified methylaluminoxane catalyst. J. Polym. Sci., Part A: Polym. Chem. 2004, 42, 2698-2704.
126. Longo, P.; Proto, A.; Oliva, L.; Sessa, I.; Zambelli, A. Copolymerization of styrene with (Z)-1,3- pentadiene in the presence of a syndiotactic-specific catalyst. J. Polym. Sci., Part A: Polym. Chem.1997, 35, 2697-2702.
127. Binotti, B.; Carfagna, C.; Gatti, G.; Martini, D.; Mosca, L.; Pettinari, C. Mechanistic aspects of isotactic CO/styrene copolymerization catalyzed by oxazoline palladium(II) complexes. Organometallics 2003, 22, 1115-1123.
128. IIcatalysts containing modular pyridine-imidazoline ligands. Chem. Eur. J. 2004, 10, 3747-3760.
129. Jensen, T. R.; Yoon, S. C.; Dash, A. K.; Luo, L.; Marks, T. J. Organotitanium-mediated stereoselective coordinative/insertive homopolymerizations and copolymerizations of styrene and methyl methacrylate. J. Am. Chem. Soc. 2003, 125, 14482-14494.
130. Yokota, K.; Hirabayashi, T. Determination of coisotacticities of some alternating styrene-acrylic copolymers by NMR spectra. J. Polym. Sci. 1976, 14, 57-71.