Full coverage of a hydroxy-substituted poly(para-phenylene) with first- And second-generation dendritic wedges having isocyanate focal points

Acta Polymerica

Volumn 47, Issue 2-3, 1996, Pages 79-84

  Karakaya, B ^a   Claussen, W ^a   Schafer A ^b   Lehmann, A ^a   Schluter A D ^b  

^a FREIE UNIVERSITÄT BERLIN   (Germany)

^b BAM FEDERAL INSTITUTE FOR MATERIALS RESEARCH AND TESTING   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

ESTERS; MACROMOLECULES; MOLECULAR STRUCTURE; MONOMERS; NUCLEAR MAGNETIC RESONANCE; POLYCONDENSATION; SOLUBILITY; SOLVENTS; SYNTHESIS (CHEMICAL);

DENDRITIC WEDGES; DENDRONS; HYDROXYETHYL; ISOCYANATE FOCAL POINTS; POLYALKOXIDE; POLYPHENYLENE; ALCOHOL COPOLYMER; BRANCHED CHAIN; BRANCHED COPOLYMER; CARBAMOYLATION; CONJUGATED COPOLYMER; DENDRITIC STRUCTURE; EXPERIMENTAL STUDY; ORGANIC ISOCYANATE; PHENYLENE DERIVATIVE COPOLYMER; PREPARATION; SIDE CHAIN;

AROMATIC POLYMERS; CHEMICAL MODIFICATION;

EID: 0030072206     PISSN: 03237648     EISSN: None     Source Type: Journal    
DOI: 10.1002/actp.1996.010470203     Document Type: Article

References (20)

1. D.A. Tomalia, Adv. Mater. 1994, 6, 529, and references therein.
2. J.M.J. Fréchet, K.L. Wooley, C.J. Hawker, J. Am. Chem. Soc. 1991, 113, 4252.
3. R. Freudenberger, W. Claussen, A.-D. Schlüter, H. Wallmeier, Polymer 1994, 35, 4496.
4. For other attempts towards cylindrically shaped dendrimers, see: D.A. Tomalia, A.M. Naylor, W.A. Goodard III, Angew. Chem., Int. Ed. Engl. 1990, 29, 138;
5. V. Percec, J. Heck, D. Tomazos, F. Falkenberg, H. Blackwell, G. Ungar, J. Chem. Soc., Perkin Trans. 1993, 2799.
6. See also: M. Wintermantel, M. Schmidt, Y. Tsukahara, K. Kajiwara, S. Kohjiya, Macromol., Rapid Commun. 1994, 75, 279;
7. M. Wintermantel, K. Fischer, M. Gerle, R. Ries, M. Schmidt, K. Kajiwara, H. Urakawa, I. Wataoka, Angew. Chem., Int. Ed. Engl. 1995, 34, 1472.
8. W. Claussen, N. Schulte, A.-D. Schlüter, Macromol., Rapid Commun. 1995, 16, 89.
9. A.-D. Schlüter, W. Claussen, E. Amoulong-Kirstein, B. Karakaya, Am. Chem. Soc., Div. Polym. Mater. Sci. Eng. 1995, 73, 226.
10. A.-D. Schlüter, W. Claussen, B. Karakaya, W. Lamer, "Dendritic Structures with Polyfunctional Cores" in Advances in Step-Growth Polymerization (J. Hedrick, J. Labadie Eds.), ACS Washington, DC, in press.
11. A.-D. Schlüter, G. Wegner, Acta Polym. 1993, 44, 59.
12. T.W. Greene, P.G.M. Wuts, Protective Groups in Organic Synthesis, Wiley, New York 1991.
13. I. Wender, H. Greenfield. X. Methin, M. Orchin, J. Am. Chem. Soc. 1952, 74, 4079.
14. M. Rehahn, A.-D. Schlüter, G. Wegner, Makromol. Chem. 1990, 191, 1991.
15. "Boron and Oxygen", in Gmelin Handbook of Inorganic and Organometallic Chemistry, Springer, Berlin 1987; B 3rd Suppl. Vol. 2, p. 147.
16. M. Rehahn, A.-D. Schlüter, G. Wegner, W.J. Feast, Polymer 1989, 30, 1060.
17. B.M. Novak, T.I. Wallow, F. Goodson, K. Loos, Am. Chem. Soc., Polym. Div., Polym. Prepr. 1995, 36(1), 693.
18. See e.g. Katz, H.E., J. Org. Chem. 1987, 52, 3932.
19. Fora comprehensive treatment of isocyanate chemistry, see: R. Richter, H. Ulrich,"Syntheses and Preparative Applications of Isocyanates" in The Chemistry of Cyanates and Their Thio Derivatives (S. Patai Ed.), Wiley, Chichester, US 1977, pg. 619.
20. Repetition rate 13 s (relaxation delay: 10 s, aquisition time 3 s); sweep width: 20 ppm; data points: 64k.