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Volumn 41, Issue 12, 2008, Pages 4245-4249

Exclusive end functionalization of all-trans-poly(fluorene vinylene)s prepared by acyclic diene metathesis polymerization: Facile efficient synthesis of amphiphilic triblock copolymers by grafting poly(ethylene glycol)

Author keywords

[No Author keywords available]

Indexed keywords

CHEMICAL REACTIONS; ETHYLENE; ETHYLENE GLYCOL; GLYCOLS; MONOMERS; POLYETHYLENE GLYCOLS; POLYMERIZATION;

EID: 47249086946     PISSN: 00249297     EISSN: None     Source Type: Journal    
DOI: 10.1021/ma800558p     Document Type: Article
Times cited : (41)

References (47)
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    • 13C NMR spectra of polymers, and UV-vis and fluorescent spectra for PFV and poly(PEG-bl-PFV-bl-PEG) are shown in the Supporting Information.
    • 13C NMR spectra of polymers, and UV-vis and fluorescent spectra for PFV and poly(PEG-bl-PFV-bl-PEG) are shown in the Supporting Information.
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    • 3 group and PEG shown in Table 2.
    • 3 group and PEG shown in Table 2.
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    • The exclusive metathesis with vinyl group without accompanying mediathesis with internal olefins should be required. In this regard, Mo(1) was more suited than Ru(1) because ADMET condensation did not proceed if the reaction was conducted under nitrogen atmosphere, as reported in ref 6
    • The exclusive metathesis with vinyl group without accompanying mediathesis with internal olefins should be required. In this regard, Mo(1) was more suited than Ru(1) because ADMET condensation did not proceed if the reaction was conducted under nitrogen atmosphere, as reported in ref 6.
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    • The Mn value by GPC for the triblock copolymer was somewhat close to that before grafting PEG3000 (Table 2, run 10, last line, but the result was reproducible Mn, 2.99 × 104, M w/Mn, 1.9, by GPC with independent analysis run after preparation of a new calibration curve with polystyrene standards, We also confirmed that PEG was not extracted from the block copolymer after separation of PEG with the block copolymer: both 1H and 13C NMR spectra clearly indicate formation of the block copolymer, and the Mn value estimated by the 1H NMR spectrum is close to the estimated value. We believe that this is due to that the Mn value by GPC was based on polystyrene standards, although we do not have the exact reason
    • n value by GPC was based on polystyrene standards, although we do not have the exact reason.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.