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Volumn 38, Issue 5, 2005, Pages 1528-1530

Alternating copolymerization of ethylene with 7-methylenebicyclo[4.1.0] heptane promoted by the cobalt complex. Highly regulated structure and thermal rearrangement of the obtained copolymer

Author keywords

[No Author keywords available]

Indexed keywords

CATALYST ACTIVITY; COBALT; COPOLYMERIZATION; COPOLYMERS; HYDROCARBONS; ISOMERIZATION; MONOMERS; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY;

EID: 15244358906     PISSN: 00249297     EISSN: None     Source Type: Journal    
DOI: 10.1021/ma047943r     Document Type: Article
Times cited : (13)

References (34)
  • 24
    • 0001681647 scopus 로고
    • 7,7-Dibutylbicyclo[4.1.0]heptane and 7,7-dimethylbicyclo-[4.1.0]heptane are synthesized according to the reported procedure: Corey, E. J.; Posner, G. H. J. Am. Chem. Soc. 1968, 90, 5615.
    • (1968) J. Am. Chem. Soc. , vol.90 , pp. 5615
    • Corey, E.J.1    Posner, G.H.2
  • 25
    • 15244356778 scopus 로고    scopus 로고
    • note
    • 13C NMR peak at 30 ppm. It is assigned to the polyethylene formed after consumption of 7,7-dimethylbicyclo-[4.1.0]heptane.
  • 27
    • 15244362702 scopus 로고    scopus 로고
    • note
    • Polymerization of methylenecyclopropane catalyzed by Zr and Ni complexes was proposed to involve the 1,2-insertion of the monomer into the M-C bond. See refs 4, 5, and 7.
  • 28
    • 15244346415 scopus 로고    scopus 로고
    • note
    • Homopolymerization of 7-methylenebicyclo[4.1.0]heptane (0.18 g) using the Co complex ([Co] = 1.7 mM) and MMAO ([monomer]/[Co]/[Al] = 200/1/300) at -40°C produced 0.028 g of polymer (16% yield) after 1 h. The amount of the homopolymer is much smaller than the copolymer obtained from the reaction under 1 atm of ethylene atmosphere (0.18 g).
  • 31
    • 0001559081 scopus 로고
    • 13C NMR of poly(isoprene) with mixture of cis and trans repeating units: Duch, M. W.; Grant, D. M. Macromolecules 1970, 3, 165.
    • (1970) Macromolecules , vol.3 , pp. 165
    • Duch, M.W.1    Grant, D.M.2
  • 34
    • 0000163018 scopus 로고
    • The assignment of the NMR spectra of the products was confirmed by comparison of them with the compounds having similar structures. See ref 16 and Apparu, M.; Crandall, J. K. J. Org. Chem. 1984, 49, 2125.
    • (1984) J. Org. Chem. , vol.49 , pp. 2125
    • Apparu, M.1    Crandall, J.K.2


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.