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Volumn 38, Issue SUPPL., 2000, Pages 4850-4869

The preparation of hyperbranched aromatic and aliphatic polyether epoxies by chloride-catalyzed proton transfer polymerization from ABn and A2 + B3 monomers

Author keywords

Epoxy polymer; Hyperbranched polymer; Proton transfer polymerization

Indexed keywords

CATALYSIS; CHEMICAL MODIFICATION; CHLORINE COMPOUNDS; GEL PERMEATION CHROMATOGRAPHY; INITIATORS (CHEMICAL); IONS; LIGHT SCATTERING; MOLECULAR STRUCTURE; MOLECULAR WEIGHT; MONOMERS; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; POLYMERIZATION;

EID: 0034429267     PISSN: 0887624X     EISSN: None     Source Type: Journal    
DOI: 10.1002/1099-0518(200012)38:1+<4850::aid-pola230>3.0.co;2-g     Document Type: Article
Times cited : (115)

References (51)
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    • (1973) Polymerization of Heterocyclics , vol.153
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    • (1984) Ring Opening Polymerization , vol.2 , pp. 809
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    • Ivin, K. J.; Saegusa, T., Eds.; Elsevier: New York
    • (e) Imanishi, Y. In Ring Opening Polymerization; Ivin, K. J.; Saegusa, T., Eds.; Elsevier: New York, 1984; Vol. 2, p 523;
    • (1984) Ring Opening Polymerization , vol.2 , pp. 523
    • Imanishi, Y.1
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    • Eastmond, G. C.; Ledwith, A.; Russo, S.; Sigwalt, P., Eds.; Pergamon: London, Chapter 36
    • (f) Kricheldorf, H. R. In Comprehensive Polymer Science; Eastmond, G. C.; Ledwith, A.; Russo, S.; Sigwalt, P., Eds.; Pergamon: London, 1989; Vol. 3, Chapter 36;
    • (1989) Comprehensive Polymer Science , vol.3
    • Kricheldorf, H.R.1
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    • Eastmond, G. C.; Ledwith, A.; Russo, S.; Sigwalt, P., Eds.; Pergamon: London, Chapter 48
    • (g) Penczeck, S. In Comprehensive Polymer Science; Eastmond, G. C.; Ledwith, A.; Russo, S.; Sigwalt, P., Eds.; Pergamon: London, 1989; Vol. 3, Chapter 48;
    • (1989) Comprehensive Polymer Science , vol.3
    • Penczeck, S.1
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    • 0005321111 scopus 로고    scopus 로고
    • Salamone, J. C., Ed.; CRC: Boca Raton, FL
    • (h) Okada, M. In Polymeric Materials Encyclopedia; Salamone, J. C., Ed.; CRC: Boca Raton, FL, 1996; Vol. 4, p 2834.
    • (1996) Polymeric Materials Encyclopedia , vol.4 , pp. 2834
    • Okada, M.1
  • 41
    • 0346948503 scopus 로고    scopus 로고
    • note
    • Compound 13 is available from Aldrich in an impure form. We found the procedure in ref. 11, followed by column chromatography, to work best for the preparation of 13.
  • 42
    • 0346948496 scopus 로고    scopus 로고
    • note
    • The application of the AB., principle to Scheme 7 requires the assumption that secondary alcohol substituents do not participate in the polymerization event.
  • 43
    • 85087227340 scopus 로고    scopus 로고
    • note
    • 3 reaction, monomer conversion was estimated to be about 807, in GPC runs taken 1-2 h before the gel point.
  • 45
    • 0348209119 scopus 로고    scopus 로고
    • The characterization of materials with GPC-estimated molecular weights greater than about 25,000 was not feasible because of the onset of gelation
    • The characterization of materials with GPC-estimated molecular weights greater than about 25,000 was not feasible because of the onset of gelation.
  • 46
    • 0347579294 scopus 로고    scopus 로고
    • The recovery of the material lost in the fractionation step showed the presence of both diepoxide monomer and low molecular weight polymer and oligomers
    • The recovery of the material lost in the fractionation step showed the presence of both diepoxide monomer and low molecular weight polymer and oligomers.
  • 47
    • 0347579296 scopus 로고    scopus 로고
    • note
    • This downfield trend in the chemical shift with increasing triol substitution is consistent with the chemical shifts of the methyl groups in 11, dialkylated 12, and trialkylated 13.
  • 50
    • 0346318537 scopus 로고    scopus 로고
    • note
    • A measured dn/dc of 0.96 was used for the molecular weight data processing. THF was used for both dn/dc and light scattering measurements.


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