Controlled cationic polymerization of p-methoxystyrene in aqueous media with Yb(OTf)31

Macromolecules

Volumn 32, Issue 12, 1999, Pages 3827-3832

  Satoh, Kotaro ^a   Kamigaito, Masami ^a   Sawamoto, Mitsuof ^a  

^a KYOTO UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

CATIONIC POLYMERIZATION; ETHERS; HYDROCHLORIC ACID; INITIATORS (CHEMICAL); MOLECULAR WEIGHT DISTRIBUTION; MONOMERS; SOLUTIONS; STABILITY; WATER; YTTERBIUM COMPOUNDS;

HYDROGEN CHLORIDE VINYL MONOMER; ISOBUTYL VINYL ETHER; YTTERBIUM TRIFLATE;

STYRENE;

EID: 0032631073     PISSN: 00249297     EISSN: None     Source Type: Journal    
DOI: 10.1021/ma981769n     Document Type: Article

References (18)

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2. This work was presented in part at the 46th Symposium on Macromolecules, Society of Polymer Science, Nagoya, Japan, Oct 1997; paper 1Pc003: Satoh, K.; Kamigaito, M.; Sawamoto, M. Polym. Prepr. Jpn. 1997, 46 (7), 1069.
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16. The chemical shift of the methine proton of polymer terminal group is upfielded in comparison to that of the model compound (cf. Figure 6). For example, the methine proton of chlorine-terminal polystyrene absorbs at 4.3 ppm, whereas that of 1-phenylethyl chloride at 5.1 ppm.
17. 3 preferentially to deactivate the polymerization.
18. 3 induces cationic ring-opening polymerization of THF.