Blocked Phosphates as Photolatent Catalysts for Dynamic Photopolymer Networks,Angewandte Chemie International Edition

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Blocked Phosphates as Photolatent Catalysts for Dynamic Photopolymer Networks
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2022-11-24 , DOI: 10.1002/anie.202215525
Carina Dertnig ₁ , Gema Guedes de la Cruz ₁ , Dmytro Neshchadin ₂ , Sandra Schlögl ₃ , Thomas Griesser ₁

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A photolatent organophosphate is synthesized and introduced into a resin system, which is 3D printed with visible light. The subsequently UV-released transesterification catalyst activates dynamic exchange reactions at elevated temperatures. Without affecting the thermal stability of the polymer network, bond exchange reactions and shape memory can be spatiotemporally controlled.

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