An A2 + B3 approach to hyperbranched aliphatic polyethers containing chain end epoxy substituents

Macromolecules

Volumn 32, Issue 19, 1999, Pages 6380-6382

  Emrick, Todd ^a   Chang, Han Ting ^a   Fréchet, Jean M J ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CROSSLINKING; EPOXY RESINS; GEL PERMEATION CHROMATOGRAPHY; GELATION; POLYMERIZATION; PROTONS; REACTION KINETICS;

ALIPHATIC POLYETHERS; PROTON TRANSFER;

POLYETHERS;

EID: 0343167396     PISSN: 00249297     EISSN: None     Source Type: Journal    
DOI: 10.1021/ma990687b     Document Type: Article

References (29)

1. (a) Flory, P. J. Principles of Polymer Chemistry; Cornell University Press: Ithaca, NY, 1953; Chapter 9.
2. (b) Kienle, R. H.; Hovey, A. G. J. Am. Chem. Soc. 1929, 51, 509.
3. Keinle, R. H.; van der Meulen, P. A.; Petke, R. E. J. Am. Chem. Soc. 1939, 61, 2258.
4. Flory, P. J. J. Am. Chem. Soc. 1941, 63, 3083, 3091, 3096.
5. (e) Stockmayer, W. H. J. Chem. Phys. 1943,11,45.
6. (f) Flory, P. J. J. Am. Chem. Soc. 1952, 74, 2718.
7. (a) Kim, Y. H.; Webster, O. W. J. Am. Chem. Soc. 1990,112, 4592.
8. (b) Hawker, C. J.; Lee, R.; Fréchet, J. M. J. J. Am. Chem. Soc. 1991,113, 4583.
9. Kim, Y. H.; Webster, O. W. Macromolecules 1992,25,5561.
10. Fréchet, J. M. J.; Henmi, M.; Gitsov, I.; Aoshima, S.; Leduc, M. R.; Grubbs, R. B. Science 1995, 269, 1080.
11. Fréchet, J. M. J.; Hawker, C. J.; Gitsov, L; Leon, J. W. J. Macromol. Sci.-Pure Appl. Chem. 1996,33,1399.
12. (e) Kim, Y. H. J. Polym. Sci., Part A: Polym. Chem. 1998, 36, 1685.
13. For a comprehensive review of dendrimers, see: (a)Newkome, G. R.; Moorefield, C. N.; Vogtle, G. Dendritic Molecules: Concepts, Syntheses, Perspectives; VCH: Weinheim, Germany, 1996. For recent publications of aliphatic, polyether dendritic compounds, see:
14. (b) Jayaraman, M.; Fréchet, J. IM. J. J. Am. Chem. Soc. 1998, 120, 12996.
15. Grayson, S. M.; Jayaraman, M.; Fréchet, J. M. J. J. Chem. Soc., Chem. Commun., submitted for publication.
16. For the use of glycidol as a starting material for hyperbranched polyethers, see: (a) Sandler, S. R.; Berg, F. R. J. Polym. ScL, Polym. Chem. Ed. 1966, 4, 1253.
17. (b) Vandenberg, E. J. J. Polym. ScL, Polym. Chem. Ed. 1985,23, 915.
18. Sunder, A.; Frey, H.; Mülhaupt, R. Abstr. Pap. Am. Chem. Soc. 1999, 217, 234-PMSE.
19. 3 monomer precursors, see: (a) Aharoni, S. M.; Edwards, S. F. Macromolecules 1989, 22, 3361.
20. (b) Aharoni, S. M. Macromolecules 1991, 24, 4286.
21. Aharoni, S. M. Polym. Adv. Technol. 1995, 6, 373.
22. Jikei, M.; Chon, S. H.; Kakimoto, M.; Kawauchi, S.; Imase, T.; Watanebe, J. Macromolecules 1999, 32, 2061.
23. (a) For our initial use of proton-transfer polymerization to prepare hyperbranched aromatic epoxies, see: Chang, H. T.; Fréchet, J. M. J. J. Am. Chem. Soc.
24. For other references related to proton-tra tions, see: Wichterle, O.; Sebenda, J.; Chetn. Comun. 1964, 29, 610.
25. Bush, L. W.; Breslow, D. S. Macromolecules 1968,1, 189.
26. Camino, G. Guaita, M. Trossarelli, L. Makromol. Chem. 1970, 136, 155.
27. Sekiguchi, H. In Ring-Opening Polymerization; Ivin, K. J., Saegusa, T., Eds.; Elsevier: New York, 1984;Vol. 2, p 809.
28. 3, monosubstituted units).
29. Kida, T.; Yokota, M.; Masuyama, A.; Nakatsuji, Y.; Okahara, M. Synthesis 1993, 487.