Ring-opening multibranching

Sunder, A., Hanselmann, R., Frey, H., and Mulhaupt, R. 1999. Controlled synthesis of hyperbranched polyglycerols by ring-opening multibranching polymerization. Macromolecules, 32, 4240 1246. 

Sunder A, Hanselmann R, Frey H, Mulhaupt R (2006) Controlled synthesis of hyper-branched polyglycerols by ring-opening multibranching polymerization. Macromolecules 32(13) 4240-4246... 

Sunder, Hanselmann, H., Frey H., and Miilhaupt, R., Controlled Synthesis of Hyperbranched Polyglycerols by Ring-Opening Multibranching Polymerization, Macromolecules, 32, 4240,1999. 

Fig. 33 Flow microreactor for synthesis of hyperbranched polyglycerol by ring-opening multibranching polymerization of glycidol. M micromixer...

Scheme 24.3 Anionic ring-opening multibranching polymerization of glycidol with 1,1,1-tris(hydroxymethyl)propane (trimethylol propane) as B3 initiator/core [16].

Figure 7.8 Synthesis of hyperbranched polytetritol (PolylOa and PolylOb) by ring-opening multibranching polymerization of 2,3-anhydroerythritol (10a) and 2,3-anhydro-DL-threitol (10b), respectively.

Imai, T., Satoh, T., Kaga, H. et al. (2004) Synthesis of hyperbranched carbohydrate polymer by ring-opening multibranching polymerization of 1,4-anhydroerythritol and 1,4-anhydro-L-threitol. Macromolecules, 37,3113-3119. 

Imai, T., Nawa, Y., Kitajyo, Y. et al. (2005) Synthesis of hyperbranched polytetritol by ring-opening multibranching polymerizations of 2,3-anhydroerythritol and 2,3-anhydro-Dl-threitol. Macromolecules, 38,1648-1654. 

Scheme 2 General principle of ring-opening multibranching polymerizations (ROMBPs). F is the single focal unit, while B depicts the reactive groups of the cyclic inimer.

Scheme 8 Synthesis of hyperbranched polyethers via cationic ring-opening multibranching polymerization of EHO.

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