메뉴 건너뛰기




Volumn 41, Issue 9, 2008, Pages 2981-2983

Efficient, regioselective copolymerization of ethylene with cyclopentadiene by the titanium complexes bearing two β-enaminoketonato ligands

Author keywords

[No Author keywords available]

Indexed keywords

CATALYSTS; CONCENTRATION (PROCESS); COPOLYMERIZATION; KETONES; LIGANDS; REGIOSELECTIVITY;

EID: 44449179443     PISSN: 00249297     EISSN: None     Source Type: Journal    
DOI: 10.1021/ma800459r     Document Type: Article
Times cited : (41)

References (36)
  • 3
    • 0033752160 scopus 로고    scopus 로고
    • (c) Coates, G. W. Chem. Rev. 2000, 100, 1223-1252.
    • (2000) Chem. Rev , vol.100 , pp. 1223-1252
    • Coates, G.W.1
  • 10
    • 0032141081 scopus 로고    scopus 로고
    • For samples on functionalization of C-C double bond, see: a
    • For samples on functionalization of C-C double bond, see: (a) Lu, B.; Chung, T. C. Macromolecules 1998, 31, 5943-5946.
    • (1998) Macromolecules , vol.31 , pp. 5943-5946
    • Lu, B.1    Chung, T.C.2
  • 35
    • 44449155941 scopus 로고    scopus 로고
    • 13C NMR (dept) spectra, and FTIR and DSC curves of the copolymers are shown in the Supporting Information.
    • 13C NMR (dept) spectra, and FTIR and DSC curves of the copolymers are shown in the Supporting Information.
  • 36
    • 44449138186 scopus 로고    scopus 로고
    • The CPD incorporations were estimated on the basis of the ratio of total integration values of CPD vs ethylene at each resonance in the 13C NMR spectra. The amounts of the CPD and triads in the ethylene backbone were calculated by 13C NMR with the following equations (C, CPD and E, ethylene, EEE, ICH2/2; [EEC, CEE, 2 [ECE, ECE, I3, I4, I6, I8)/4; [CEC, /3′, I 4′)/4, where Ix is the normalized integral of peak x shown in Figure 2. On the basis of these equations, the amounts of CPD and ethylene in the copolymers were calculated as follows: [E, EEE, EEC, CEE, CEC, C, ECE, CCC, ECC, CCE, 2[CEC, Hence, the ratio of [C] to, C, E, reflected the CPD incorporation in the copolymers: CPD incorporation: CPD mol , C, C, E
    • x is the normalized integral of peak x shown in Figure 2. On the basis of these equations, the amounts of CPD and ethylene in the copolymers were calculated as follows: [E] = [EEE] + [EEC + CEE] + [CEC]; [C] = [ECE] + [CCC] + [ECC + CCE] + 2[CEC]. Hence, the ratio of [C] to ([C] + [E]) reflected the CPD incorporation in the copolymers: CPD incorporation: CPD (mol %) = [C]/([C] + [E]).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.