ADVANCES IN THE C-13 NMR MICROSTRUCTURAL CHARACTERIZATION OF PROPENE POLYMERS

被引:71
作者
BUSICO, V [1 ]
CIPULLO, R [1 ]
CORRADINI, P [1 ]
LANDRIANI, L [1 ]
VACATELLO, M [1 ]
SEGRE, AL [1 ]
机构
[1] CNR,I-00016 MONTEROTONDO,ITALY
关键词
D O I
10.1021/ma00110a024
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
This paper presents the main results of a high-resolution 150 MHz C-13 NMR characterization of polypropene samples prepared in the presence of a number of last-generation Ziegler-Natta catalyst systems. The configurational analysis of the polymers, in particular, was expanded from the pentad level (normally afforded by routine spectra) to the nonad level. This proved to be beneficial in mechanistic studies on the origin of the stereospecificity.
引用
收藏
页码:1887 / 1892
页数:6
相关论文
共 36 条
[1]  
BAIN AD, 1989, GLINFIT
[2]   POLYMER NSR SPECTROSCOPY .2. THE HIGH RESOLUTION SPECTRA OF METHYL METHACRYLATE POLYMERS PREPARED WITH FREE RADICAL AND ANIONIC INITIATORS [J].
BOVEY, FA ;
TIERS, GVD .
JOURNAL OF POLYMER SCIENCE, 1960, 44 (143) :173-182
[3]  
BOVEY FA, 1982, CHAIN STRUCTURE CONF, pCH3
[4]  
BUSICO V, 1990, MAKROMOL CHEM-RAPID, V11, P49
[5]   C-13 NMR EVIDENCE OF THE COPRESENCE OF M-RICH AND R-RICH SEQUENCES (STEREOBLOCKS) IN POLYPROPENE MOLECULES [J].
BUSICO, V ;
CORRADINI, P ;
DEBIASIO, R ;
LANDRIANI, L ;
SEGRE, AL .
MACROMOLECULES, 1994, 27 (16) :4521-4524
[6]  
BUSICO V, 1991, MAKROMOL CHEM, V192, P49
[7]  
BUSICO V, UNPUB MACROMOL THEOR
[8]  
CHENG HN, 1989, MAKROMOL CHEM, V190, P1931
[9]   C-13-NMR SEQUENCE DETERMINATION FOR MULTICOMPONENT POLYMER MIXTURES [J].
CHENG, HN .
JOURNAL OF APPLIED POLYMER SCIENCE, 1988, 35 (06) :1639-1650
[10]   SERIES ON HOMOGENOUS ZIEGLER-NATTA CATALYSTS .11. KINETICS AND STEREOCHEMICAL CONTROL OF PROPYLENE POLYMERIZATION INITIATED BY ETHYLENE BIS(4,5,6,7-TETRAHYDRO-1-INDENYL) ZIRCONIUM DICHLORIDE METHYL ALUMINOXANE CATALYST [J].
CHIEN, JCW ;
SUGIMOTO, R .
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, 1991, 29 (04) :459-470