Ziegler, K. ; Gellert, H. G. ; Martin, H. ; Nagel, K. ; Schneider, J . Metallorganische verbindungen XIX: Reaktionen der aluminium- wasserstoff-bindung mit olefinen . Justus Liebigs Ann. Der Chem. , 1954 , 589 ( 2 ), 91 – 121 .

Natta, V. G. ; Corradini, P. ; Bassi, I. W . Über die kristallstruktur des isotaktischen poly- α -butens . Die Makromol. Chem. , 1956 , 21 ( 1 ), 240 – 244 .

Sinn, H. ; Kaminsky, W. ; Vollmer, H. J. ; Woldt, R . “Living polymers” on polymerization with extremely productive Ziegler catalysts . Angew. Chem. Int. Ed. , 1980 , 19 ( 5 ), 390 – 392 .

Zaccaria, F. ; Budzelaar, P. H. ; Zuccaccia, C. ; Cipullo, R. ; Macchioni, A. ; Busico, V. ; Ehm, C . Chain transfer to solvent and monomer in early transition metal catalyzed olefin polymerization: mechanisms and implications for catalysis . Catalysts , 2021 , 11 ( 2 ), 215 .

Singfield, K. L. ; Rowe, A. J . Experiment to teach multiple melting phenomena in semicrystalline polymers using differential scanning calorimetry . J. Chem. Educ. , 2021 , 9 ( 3 ), 68 – 76 .

Ishihara, N. ; Seimiya, T. ; Kuramoto, M. ; Uoi, M . Crystalline syndiotactic polystyrene . Macromolecules , 1986 , 19 ( 9 ), 2464 – 2465 .

Lo, C. Y. ; Wang, C . Kinetics and morphologies of syndiotactic polystyrene crystallized isothermally over a wide temperature range . Polym. J. , 2023 , 55 , 761 – 773 .

张雯 . 新工程聚合物—间规聚苯乙烯 . 塑料通讯 , 1998 , ( 1 ), 49 .

Chen, B. R. ; Torkelson, J. M . Development of rigid amorphous fraction in cold-crystallized syndiotactic polystyrene films confined near the nanoscale: Novel analysis via ellipsometry . J. Polym. Sci. , 2022 , 60 ( 10 ), 1631 – 1642 .

Liu, C. ; Kremer, K. ; Bereau, T . Polymorphism of syndiotactic polystyrene crystals from multiscale simulations . Adv. Theory Simul. , 2018 , 1 ( 7 ), 1800024 .

王巧玲 . 红外光谱法研究间规聚苯乙烯结晶行为进展 . 合成材料老化与应用 , 2019 , 48 ( 4 ), 121 – 124 .

Greis, O. ; Xu, Y. ; Asano, T. ; Petermann, J . Morphology and structure of syndiotactic polystyrene . Polymer , 1989 , 30 ( 4 ), 590 – 594 .

窦红静 , 朱诚身 , 何素芹 . 聚苯乙烯结晶及其晶型转化 . 高分子通报 , 2000 , ( 3 ), 56 – 60 .

Guerra, G. ; Vitagliano, V. M. ; de Rosa, C. ; Petraccone, V. ; Corradini, P . Polymorphism in melt crystallized syndiotactic polystyrene samples . Macromolecules , 1990 , 23 ( 5 ), 1539 – 1544 .

Vittoria, V. ; de Candia, F. ; Iannelli, P. ; Immirzi, A . Solvent-induced crystallization of glassy syndiotactic polystyrene . Die Makromol. Chem. Rapid Commun. , 1988 , 9 ( 11 ), 765 – 769 .

Li, Y. Y. ; He, J. S. ; Qiang, W. ; Hu, X . Effects of crystallization temperature on the polymorphic behavior of syndiotactic polystyrene . Polymer , 2002 , 43 ( 8 ), 2489 – 2494 .

Chen, P. H. ; Lin, S. J. ; Tsai, J. C. ; Jeng, U. S. ; Su, A. C . Equilibrium melting temperature depression in syndiotactic poly(styrene- stat -3-methylstyrene) and poly(styrene- stat -4-methylstyrene) . Macromolecules , 2020 , 53 ( 8 ), 3059 – 3070 .

Hu, W. B . Polymer features in crystallization . Chinese J. Polym. Sci. , 2022 , 40 ( 6 ), 545 – 555 .

Sun, H. X. ; Mao, Z. P. ; Zhang, J . Fabrication of damping material over broad temperature range: blending amorphous styrene-butadiene-styrene triblock copolymer with semi-crystalline syndiotactic 1,2-polybutadiene . J. Vinyl Addit. Technol. , 2020 , 26 ( 3 ), 336 – 347 .

阎卫东 , 陈金晖 , 周鼐 , 洪瀚 , 胡友良 . 间规聚苯乙烯的技术进展 . 石油化工 , 1999 , ( 10 ), 716 – 721 .

陈循军 , 郭彪 , 杨少华 , 崔英德 . 合成间规聚苯乙烯用茂金属催化剂的研究进展 . 精细石油化工进展 , 2003 , ( 1 ), 30 – 33 .

Muthukumar, J. ; Kandukuri, V. A. ; Chidambaram, R . A critical review on various treatment, conversion, and disposal approaches of commonly used polystyrene . Polym. Bull. , 2024 , 81 ( 4 ), 2819 – 2845 .

Gonçalves, M. ; Serra, C. ; Simões, N. ; Flores-Colen, I. ; Kokolsky, C. ; Sprengard, C . Onsite monitoring of a wall retrofitted with an external vacuum insulation composite system . J. Build. Eng. , 2021 , 44 , 103301 .

Näkki, P. ; Eronen-Rasimus, E. ; Kaartokallio, H. ; Kankaanpää, H. ; Setälä, O. ; Vahtera, E. ; Lehtiniemi, M . Polycyclic aromatic hydrocarbon sorption and bacterial community composition of biodegradable and conventional plastics incubated in coastal sediments . Sci. Total Environ. , 2021 , 755 , 143088 .

Schiavone, M. M. ; Zhao, Y. ; Iwase, H. ; Arima-Osonoi, H. ; Takata, S. I. ; Radulescu, A . On the proton conduction pathways in polyelectrolyte membranes based on syndiotactic-polystyrene . Membranes , 2022 , 12 ( 2 ), 143 .

宁军 . 2020~2021年世界塑料工业进展(Ⅱ): 工程塑料和特种工程塑料 . 塑料工业 , 2022 , 50 ( 5 ), 1 – 31 .

Jiao, G. S. ; Zuo, T. S. ; Ma, C. L. ; Han, Z. H. ; Zhang, J. R. ; Chen, Y. ; Zhao, J. P. ; Cheng, H. ; Han, C. C . 3D most-probable all-atom structure of atactic polystyrene during glass formation: a neutron total scattering study . Macromolecules , 2020 , 53 ( 13 ), 5140 – 5146 .

Prevost, J. ; Paillac, J. P . Compositions for producing sealing membranes, and associated methods and memb-ranes . USA patent , US20240101827A1 . 2024-03-28 .

Ramadoss, T. S. ; Ishii, Y. ; Chinnappan, A. ; Ang, M. H. ; Ramakrishna, S . Fabrication of pressure sensor using electrospinning method for robotic tactile sensing application . Nanomaterials , 2021 , 11 ( 5 ), 1320 .

Vogiatzis, G. G. ; van Breemen, L. C. A. ; Hütter, M . Structural transitions in glassy atactic polystyrene using transition-state theory . J. Phys. Chem. B , 2021 , 125 ( 26 ), 7273 – 7289 .

张华荣 , 宋岱瀛 , 杨健武 , 何泽文 , 刘嘉诚 , 冯国柱 , 周子潇 , 吴天睿 . 一种表面装饰材料及其制备方法 . 中国专利 , CN113980396B . 2022-04-26 .

Cozzolino, A. ; Daniel, C. ; Guerra, G. ; Rizzo, P. ; Nicolais, L . Active yarns and textiles for the stabilization and controlled release of active compounds . USA patent , US11,780,971 . 2023-10-10 .

Takumi, S. ; Ikeda, K. ; Kakehi, A . Resin composition suitable for use as film for film capacitor . USA patent , US17,767,505 . 2024-03-21 .

刘国强 . 一种耐腐蚀工程塑料及其制备方法 . 中国专利 , CN114685915A . 2022-07-01 .

路丹 , 林良云 , 林显达 , 梁波 . 高导热无卤阻燃间规聚苯乙烯复合材料及其制备方法 . 中国专利 , CN, 108976629B . 2022-01-25 .

Natta, G. ; Pino, P. ; Corradini, P. ; Danusso, F. ; Mantica, E. ; Mazzanti, G. ; Moraglio, G . Crystalline high polymers of α -olefins . J. Am. Chem. Soc. , 1955 , 77 ( 6 ), 1708 – 1710 .

Oliva, L. ; Longo, P. ; Izzo, L. ; Di Serio, M . Zirconocene-based catalysts for the ethylene-styrene copolymerization:  reactivity ratios and reaction mechanism . Macromolecules , 1997 , 30 ( 19 ), 5616 – 5619 .

Qu, S. Z. ; Li, H. K. ; Song, J. H. ; Wang, W . Syndi-ospecific polymerization of styrene by half-metallocene with a naphthoxy group ligand . J. Polym. Res. , 2022 , 30 ( 1 ), 31 .

Ishihara, N. ; Kuramoto, M. ; Uoi, M . Stereospecific polymerization of styrene giving the syndiotactic polymer . Macromolecules , 1988 , 21 ( 12 ), 3356 – 3360 .

Kucht, A. ; Kucht, H. ; Barry, S. ; Chien, J. C. W. ; Rausch, M. D . New syndiospecific catalysts for styrene polyme-rization . Organometallics , 1993 , 12 ( 8 ), 3075 – 3078 .

Gassman, P. G. ; Campbell, W. H. ; Macomber, D. W . An unusual relationship between titanium-49 chemical shift and Ti(2p3/2) binding energy. The use of titanium-49 NMR in evaluating the electronic effect of methyl substitution on the cyclopentadienyl ligand . Organometallics , 1984 , 3 ( 3 ), 385 – 387 .

Hafner, A. ; Okuda, J . Titanium NMR data for some titanium half-sandwich complexes bearing substituted cyclopentadienyl ligands . Organometallics , 1993 , 12 ( 3 ), 949 – 950 .

Tomotsu, N. ; Ishihara, N. ; Newman, T. H. ; Malanga, M. T . Syndiospecific polymerization of styrene . J. Mol. Catal. A Chem. , 1998 , 128 ( 1-3 ), 167 – 190 .

Kaminsky, W. ; Lenk, S. ; Scholz, V. ; Roesky, H. W. ; Herzog, A . Fluorinated half-sandwich complexes as catalysts in syndiospecific styrene polymerization . Macromolecules , 1997 , 30 ( 25 ), 7647 – 7650 .

Liu, J. F. ; Ma, H. Y. ; Huang, J. L. ; Qian, Y. L . Syndiotactic polymerization of styrene with CpTiCl 2 (OR)/MAO system . Eur. Polym. J. , 2000 , 36 ( 9 ), 2055 – 2058 .

Byun, D. J. ; Fudo, A. ; Tanaka, A. ; Fujiki, M. ; Nomura, K . Effect of cyclopentadienyl and anionic ancillary ligand in syndiospecific styrene polymerization catalyzed by nonbridged half-titanocenes containing aryloxo, amide, and anilide ligands:  cocatalyst systems . Macromolecules , 2004 , 37 ( 15 ), 5520 – 5530 .

Kharitonov, V. B. ; Muratov, D. V. ; Loginov, D. A . Indenyl complexes of group 9 metals: synthetic and catalytic chemistry . Coord. Chem. Rev. , 2019 , 399 , 213027 .

Ready, T. E. ; Day, R. O. ; Chien, J. C. W. ; Rausch, M. D . (.eta.5-Indenyl)trichlorotitanium. An improved syndiotactic polymerization catalyst for styrene . Macromolecules , 1993 , 26 ( 21 ), 5822 – 5823 .

Tomotsu, N. ; Ishihara, N . Recent development of catalysts for syndiospecific polymerization of styrene . Stud. Surf. Sci. Catal. , 1999 , 121 , 269 – 276 .

Xu, G. X. ; Ruckenstein, E . Syndiospecific polymeri-zation of styrene using fluorinated indenyltitanium complexes . J. Polym. Sci. Part A Polym. Chem. , 1999 , 37 ( 14 ), 2481 – 2488 .

Ma, H. Y. ; Chen, B. ; Huang, J. L. ; Qian, Y. L . Steric and electronic effects of the R in IndTiCl 2 (OR) catalysts on the syndiospecific polymerization of styrene . J. Mol. Catal. A Chem. , 2001 , 170 ( 1-2 ), 67 – 73 .

Cheng, Y. X. ; Shen, Q . Styrene polymerization by oganolathanide complexes [(Bu-tCp) 2 LnCH 3 ] 2 (Ln = Pr, Nd, Gd) . Chin. Chem. Lett. , 1993 , ( 8 ), 743 – 744 .

Thomas, R. R. ; Chebolu, V. ; Sen, A . Chemistry of weakly solvated lanthanide-metal cations. Synthesis, characterization, and catalytic chemistry of [Eu(CH 3 CN) 3 (BF4) 3 ] x . J. Am. Chem. Soc. , 1986 , 108 ( 14 ), 4096 – 4103 .

Carpentier, J. F. ; Kirillov, E. ; Razavi, A . Group III bridged metallocene based on cyclopentadienyl-fluorenyl ligands . USA patent , US7, 241, 849 . 2007-07-10 .

Kirillov, E. ; Toupet, L. ; Lehmann, C. W. ; Razavi, A. ; Kahlal, S. ; Saillard, J. Y. ; Carpentier, J. F . (Cp-CMe 2 -flu) 2 Ln ] − [Li(ether) n ] + (Ln = Y, La):   complexes with unusual coordination modes of the fluorenyl ligand and the first examples of bis-ansa lanthanidocenes . Organometallics , 2003 , 22 ( 20 ), 4038 – 4046 .

Annunziata, L. ; Rodrigues, A. S. ; Kirillov, E. ; Sarazin, Y. ; Okuda, J. ; Perrin, L. ; Maron, L. ; Carpentier, J. F . Isoselective styrene polymerization catalyzed by ansa -bis(indenyl) allyl rare earth complexes. stereochemical and mechanistic aspects . Macromolecules , 2011 , 44 ( 9 ), 3312 – 3322 .

Roşca, S. C. ; Caytan, E. ; Dorcet, V. ; Roisnel, T. ; Carpentier, J. F. ; Sarazin, Y . π Ligands in alkaline earth complexes . Organometallics , 2017 , 36 ( 7 ), 1269 – 1277 .

Li, X. F. ; Wang, X. Y. ; Tong, X. ; Zhang, H. X. ; Chen, Y. Y. ; Liu, Y. ; Liu, H. ; Wang, X. J. ; Nishiura, M. ; He, H. ; Lin, Z. G. ; Zhang, S. W. ; Hou, Z. M . Aluminum effects in the syndiospecific copolymerization of styrene with ethylene by cationic fluorenyl scandium alkyl catalysts . Organometallics , 2013 , 32 ( 5 ), 1445 – 1458 .

You, F. ; Xu, S. T. ; Wang, J. X. ; Zhai, J. J. ; Wang, F. ; Pan, L. ; So, Y. M. ; Shi, X. C . Access to derivatizable octahydrofluorenyl ligand: half-sandwich rare-earth metal complexes for highly syndiospecific (co)polymerization of styrene . Inorg. Chem. , 2022 , 61 ( 2 ), 1145 – 1151 .

Xu, S. T. ; Huo, Y. C. ; Hu, X. ; Wang, F. ; Pan, L. ; Shi, X. C . Cationic half-sandwich tetrahydrofluorenyl rare-earth metal complexes as stable single-site catalysts for (co)polymerization of styrene and butadiene . Inorg. Chem. , 2023 , 62 ( 12 ), 4980 – 4989 .

Luo, Y. J. ; Baldamus, J. ; Hou, Z. M . Scandium half-metallocene-catalyzed syndiospecific styrene polymerization and styrene-ethylene copolymerization: unprecedented incorporation of syndiotactic styrene-styrene sequences in styrene-ethylene copolymers . J. Am. Chem. Soc. , 2004 , 126 ( 43 ), 13910 – 13911 .

Hitzbleck, J. ; Beckerle, K. ; Okuda, J . Half-sandwich dibenzyl complexes of scandium: Synthesis, structure, and styrene polymerization activity . J. Organomet. Chem. , 2007 , 692 ( 21 ), 4702 – 4707 .

Hitzbleck, J. ; Okuda, J . Synthesis, characterization, and polymerization activity of the scandium half-sandwich complex [Sc( η 5 -C 5 Me 4 {SiMe 2 (C 6 F 5 )}) (CH 2 -SiMe 3 ) 2 (THF) ] . Z. Für Anorg. Und Allg. Chem. , 2006 , 632 ( 12-13 ), 1947 – 1949 .

Luo, Y. J. ; Chi, S. H. ; Chen, J . Half-sandwich rare-earth-metal derivatives bearing pyrrolidinyl-functionalized cyclopentadienyl ligand: synthesis, characterization and catalysis in syndiospecific polymerization of styrene . New J. Chem. , 2013 , 37 ( 9 ), 2675 – 2682 .

Luo, Y. J. ; Feng, X. Y. ; Wang, Y. B. ; Fan, S. M. ; Chen, J. ; Lei, Y. L. ; Liang, H. Z . Half-sandwich scandium bis(amide) complexes as efficient catalyst precursors for syndiospecific polymerization of styrene . Organometallics , 2011 , 30 ( 12 ), 3270 – 3274 .

Jaroschik, F. ; Shima, T. ; Li, X. F. ; Mori, K. ; Ricard, L. ; Le Goff, X. F. ; Nief, F. ; Hou, Z. M . Synthesis, characterization, and reactivity of mono(phospholyl)lanthanoid (III) bis(dimethylaminobenzyl) complexes . Organometallics , 2007 , 26 ( 23 ), 5654 – 5660 .

Nishiura, M. ; Mashiko, T. ; Hou, Z. M . Synthesis and styrene polymerisation catalysis of η 5 - and η 1 -pyrrolyl-ligated cationic rare earth metal aminobenzyl complexes . Chem. Commun. , 2008 ( 17 ), 2019 – 2021 .

Jian, Z. B. ; Cui, D. M. ; Hou, Z. M . Rare-earth-metal–hydrocarbyl complexes bearing linked cyclopentadienyl or fluorenyl ligands: synthesis, catalyzed styrene polymerization, and structure–reactivity relationship . Chem. Eur. J. , 2012 , 18 ( 9 ), 2674 – 2684 .

Jian, Z. B. ; Tang, S. J. ; Cui, D. M . A lutetium allyl complex that bears a pyridyl-functionalized cyclopentadienyl ligand: dual catalysis on highly syndiospecific and cis-1, 4-selective (co)polymerizations of styrene and butadiene . Chem. Eur. J. , 2010 , 16 ( 47 ), 14007 – 14015 .

Lin, F. ; Wang, X. B. ; Pan, Y. P. ; Wang, M. Y. ; Liu, B. ; Luo, Y. ; Cui, D. M . Nature of the entire range of rare earth metal-based cationic catalysts for highly active and syndioselective styrene polymerization . ACS Catal. , 2016 , 6 ( 1 ), 176 – 185 .

Pan, Y. P. ; Rong, W. F. ; Jian, Z. B. ; Cui, D. M . Ligands dominate highly syndioselective polymerization of styrene by using constrained-geometry-configuration rare-earth metal precursors . Macromolecules , 2012 , 45 ( 3 ), 1248 – 1253 .

Wang, X. B. ; Lin, F. ; Qu, J. P. ; Hou, Z. M. ; Luo, Y . DFT studies on styrene polymerization catalyzed by cationic rare-earth-metal complexes: origin of ligand-dependent activities . Organometallics , 2016 , 35 ( 18 ), 3205 – 3214 .

Zhang, Z. ; Cai, Z. Y. ; Pan, Y. P. ; Dou, Y. L. ; Li, S. H. ; Cui, D. M . Substituent effects of pyridyl-methylene cyclopentadienyl rare-earth metal complexes on styrene polymerization . Chinese J. Polym. Sci. , 2019 , 37 ( 6 ), 570 – 577 .

Yang, X. M. ; Stern, C. L. ; Marks, T. J . Cation-like homogeneous olefin polymerization catalysts based upon zirconocene alkyls and tris(pentafluorophenyl)borane . J. Am. Chem. Soc. , 1991 , 113 ( 9 ), 3623 – 3625 .

Maiti, D. ; Basak, S. ; Biswas, J. P . Transition-metal-catalyzed C–H arylation using organoboron reagents . Synthesis , 2021 , 53 ( 18 ), 3151 – 3179 .

Guo, H. ; Zhang, S. ; Li, Y. ; Yu, X. ; Feng, X. ; Yamamoto, Y. ; Bao, M . Palladium-catalyzed tail-to-tail reductive dimerization of terminal alkynes to 2,3-dibranched butadienes . Angew. Chem. Int. Ed. , 2022 , 61 ( 13 ), e202116870 .

Mahato, S. ; Nandy, S. ; Das, K. K. ; Panda, D. S . Zirconium catalyzed transformations using organoboron . Eur. J. Org. Chem. , 2022 , 2022 ( 25 ), e202200581 .

Yang, T. B. ; Tang, N. ; Wan, Q. Z. ; Yin, S. F. ; Qiu, R. H . Recent progress on synthesis of N , N '-chelate organoboron derivatives . Molecules , 2021 , 26 ( 5 ), 1401 .

Yang, X. ; Kalita, S. J. ; Maheshuni, S. ; Huang, Y. Y . Recent advances on transition-metal-catalyzed asymmetric tandem reactions with organoboron reagents . Coord. Chem. Rev. , 2019 , 392 , 35 – 48 .

Luo, L. B. ; Younker, J. M. ; Zabula, A. V . Structure of methylaluminoxane (MAO): extractable [Al(CH 3 ) 2 ] + for precatalyst activation . Science , 2024 , 384 ( 6703 ), 1424 – 1428 .

Miyashita, A . Catalyst for styrene polymerization . Polym. Prepr. Jpn , 1993 , 42 , 2295 .

Jamnongphol, S. ; Jaturapiree, A. ; Sukrat, K. ; Saowapark, T. ; Chaichana, E. ; Jongsomjit, B . Rice husk-derived silica as a support for zirconocene/MMAO catalyst in ethylene polymerization . Waste Biomass Valorization , 2020 , 11 ( 2 ), 769 – 779 .

Romano, D. ; Andablo-Reyes, E. ; Ronca, S. ; Rastogi, S . Aluminoxane co-catalysts for the activation of a bis phenoxyimine titanium (IV) catalyst in the synthesis of disentangled ultra-high molecular weight polyethylene . Polymer , 2015 , 74 , 76 – 85 .

Soshnikov, I. E. ; Semikolenova, N. V. ; Bryliakov, K. P. ; Antonov, A. A. ; Sun, W. H. ; Talsi, E. P . Nature of heterobinuclear Ni(I) complexes formed upon the activation of the α-diimine complex LNi II Br 2 with AlMe 3 and MMAO . Organometallics , 2021 , 40 ( 7 ), 907 – 914 .

Zhang, L. ; Zhang, B. ; Ma, H. Y . Ethylene-bridged indenyl-fluorenyl metallocene complexes for efficient preparation of allyl-terminated propylene oligomers and polymers via  selective β -methyl transfer . Chinese J. Polym. Sci. , 2019 , 37 ( 6 ), 578 – 590 .

常琪琪 , 王讯 , 范昊男 , 王亚婷 , 姜涛 . PN(CH 2 ) n P配体/Cr(Ⅲ)/DMAO/AlEt 3 催化乙烯齐聚 . 石油学报(石油加工) , 2021 , 37 ( 5 ): 1014 – 1021 .

Zhang, Z. ; Jiang, Y. ; Zhang, K. ; Cai, Z. Y. ; Li, S. H. ; Cui, D. M . DMAO-activated rare-earth metal catalysts for styrene and its derivative polymerization . Chinese J. Polym. Sci. , 2021 , 39 ( 9 ), 1185 – 1190 .

Knjazhanski, S. Y. ; Kalyuzhnaya, E. S. ; Elizalde Herrera, L. E. ; Bulychev, B. M. ; Khvostov, A. V. ; Sizov, A. I . Alane complexes of divalent ytterbocenes. Bimetallic mechanism of styrene polymerization . J. Organomet. Chem. , 1997 , 531 ( 1-2 ), 19 – 25 .

Quyoum, R. ; Wang, Q. Y. ; Tudoret, M. J. ; Baird, M. C. ; Gillis, D. J. .eta. 5-C 5 Me 5 TiMe 3 B(C 6 F 5 ) 3 : A carbocationic olefin polymerization initiator masquerading as a Ziegler-Natta catalyst . J. Am. Chem. Soc. , 1994 , 116 ( 14 ), 6435 – 6436 .

Kucht, H. ; Kucht, A. ; Rausch, M. D. ; Chien, J. C. W . ( η 5 -Pentamethylcyclopentadienyl) trimethyltitanium as a precursor for the syndiospecific polymerization of styrene . Appl. Organomet. Chem. , 1994 , 8 ( 4 ), 393 – 396 .