We report the first synthesis of a photodegradable hyperbranched polyacetal, wherein every repeat unit carries a photo-labile 2-nitrobenzyloxy moiety. The pristine HBP serves as a positive photoresist to create micron-size patterns; furthermore, by changing the terminal groups to dipropargyl acetal, clickable photo-patterned substrates can be generated.
S. Chatterjee and S. Ramakrishnan, Chem. Commun., 2013, 49, 11041 DOI: 10.1039/C3CC47048B
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