Living anionic polymerization of 4-(4-(2-isopropenylphenoxy)butyl)styrene: A new dual-functionalized styrene derivative having α-methylstyrene functionality

Macromolecules

Volumn 37, Issue 13, 2004, Pages 4770-4775

  Hirao, Akira ^a   Kitamura, Masahiro ^a   Loykulnant, Surapich ^b  

^a Graduate School of Engineering   (Japan)

^b NATIONAL METAL AND MATERIALS TECHNOLOGY CENTER   (Thailand)

Author keywords

[No Author keywords available]

Indexed keywords

ANIONIC POLYMERIZATION; BLOCK COPOLYMERS; COPOLYMERS; DERIVATIVES; ISOMERIZATION; MOLECULAR WEIGHT; MOLECULAR WEIGHT DISTRIBUTION; MONOMERS; POLYMERIZATION; POLYMERS; RESONANCE; YIELD STRESS;

CHAIN-END ANIONS; ISOPROPENYLPHENOXY; METHYLSTYRENES; STYRYL GROUPS;

POLYSTYRENES;

EID: 3142613640     PISSN: 00249297     EISSN: None     Source Type: Journal    
DOI: 10.1021/ma0497106     Document Type: Article

References (20)

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13. Hirao, A.; Hayashi, M.; Nakahama, N. Macromolecules 1996, 29, 3353.
14. Recently, we have successfully demonstrated that the protected vinylphenol derivatives such as 2-, 3-, and 4-methoxystyrenes, 3- and 4-methoxymethoxystyrenes, and 4-tetrahy-dropyranyloxystyrene undergo living anionic polymerization with sec-BuLi in THF at -78°C. On the other hand, polymerization of neither 2- nor 4-methoxy-a-methylstyrene occurred at all under the identical conditions as mentioned in this section.
15. 2Mg on the anionic polymerization was observed in our previous paper (see: Loykulnant, S.; Hirao, A. Macromolecules 2000, 33, 4757).
16. The anionic polymerizations of distyryl monomers such as p-divinylbenzene and m- and p-diisopropenylbenzenes were previously reported. As expected, gelation occurred immediately in the anionic polymerization of p-divinylbenzene (see: Eschwey, H.; Burchard, W. Polymer 1975, 16, 180; J. Polym. Sci., Polym. Symp. 1975, 53, 1 and Worsfold, D. J.; Zilliox, J. G.; Rempp, R. Can. J. Chem. 1969, 47, 3379). On the other hand, soluble polymers with relatively narrow molecular weight distributions were obtained at relatively low conversion (∼50%) in the anionic polymerization of diisopropenylbenzenes, but branching and cross-linking occurred at higher conversions (see: Lutz, P.; Beinert, G.; Rempp, P. Makromol. Chem. 1982, 183, 2787; Okamoto, A.; Mita, I. J. Polym. Sci., Polym. Chem. Ed. 1978, 16, 1187).
17. The anionic polymerizations of distyryl monomers such as p-divinylbenzene and m- and p-diisopropenylbenzenes were previously reported. As expected, gelation occurred immediately in the anionic polymerization of p-divinylbenzene (see: Eschwey, H.; Burchard, W. Polymer 1975, 16, 180; J. Polym. Sci., Polym. Symp. 1975, 53, 1 and Worsfold, D. J.; Zilliox, J. G.; Rempp, R. Can. J. Chem. 1969, 47, 3379). On the other hand, soluble polymers with relatively narrow molecular weight distributions were obtained at relatively low conversion (∼50%) in the anionic polymerization of diisopropenylbenzenes, but branching and cross-linking occurred at higher conversions (see: Lutz, P.; Beinert, G.; Rempp, P. Makromol. Chem. 1982, 183, 2787; Okamoto, A.; Mita, I. J. Polym. Sci., Polym. Chem. Ed. 1978, 16, 1187).
18. The anionic polymerizations of distyryl monomers such as p-divinylbenzene and m- and p-diisopropenylbenzenes were previously reported. As expected, gelation occurred immediately in the anionic polymerization of p-divinylbenzene (see: Eschwey, H.; Burchard, W. Polymer 1975, 16, 180; J. Polym. Sci., Polym. Symp. 1975, 53, 1 and Worsfold, D. J.; Zilliox, J. G.; Rempp, R. Can. J. Chem. 1969, 47, 3379). On the other hand, soluble polymers with relatively narrow molecular weight distributions were obtained at relatively low conversion (∼50%) in the anionic polymerization of diisopropenylbenzenes, but branching and cross-linking occurred at higher conversions (see: Lutz, P.; Beinert, G.; Rempp, P. Makromol. Chem. 1982, 183, 2787; Okamoto, A.; Mita, I. J. Polym. Sci., Polym. Chem. Ed. 1978, 16, 1187).
19. The anionic polymerizations of distyryl monomers such as p-divinylbenzene and m- and p-diisopropenylbenzenes were previously reported. As expected, gelation occurred immediately in the anionic polymerization of p-divinylbenzene (see: Eschwey, H.; Burchard, W. Polymer 1975, 16, 180; J. Polym. Sci., Polym. Symp. 1975, 53, 1 and Worsfold, D. J.; Zilliox, J. G.; Rempp, R. Can. J. Chem. 1969, 47, 3379). On the other hand, soluble polymers with relatively narrow molecular weight distributions were obtained at relatively low conversion (∼50%) in the anionic polymerization of diisopropenylbenzenes, but branching and cross-linking occurred at higher conversions (see: Lutz, P.; Beinert, G.; Rempp, P. Makromol. Chem. 1982, 183, 2787; Okamoto, A.; Mita, I. J. Polym. Sci., Polym. Chem. Ed. 1978, 16, 1187).
20. The anionic polymerizations of distyryl monomers such as p-divinylbenzene and m- and p-diisopropenylbenzenes were previously reported. As expected, gelation occurred immediately in the anionic polymerization of p-divinylbenzene (see: Eschwey, H.; Burchard, W. Polymer 1975, 16, 180; J. Polym. Sci., Polym. Symp. 1975, 53, 1 and Worsfold, D. J.; Zilliox, J. G.; Rempp, R. Can. J. Chem. 1969, 47, 3379). On the other hand, soluble polymers with relatively narrow molecular weight distributions were obtained at relatively low conversion (∼50%) in the anionic polymerization of diisopropenylbenzenes, but branching and cross-linking occurred at higher conversions (see: Lutz, P.; Beinert, G.; Rempp, P. Makromol. Chem. 1982, 183, 2787; Okamoto, A.; Mita, I. J. Polym. Sci., Polym. Chem. Ed. 1978, 16, 1187).