Université de Fribourg

Polymerization‐induced wrinkled surfaces with controlled topography as slippery surfaces for colorado potato beetles

Bergmann, Johannes B. ; Moatsou, Dafni ; Surapaneni, Venkata A. ; Thielen, Marc ; Speck, Thomas ; Wilts, Bodo D. ; Steiner, Ullrich

In: Advanced Materials Interfaces, 2020, p. 2000129

Controlling the interaction of insect populations with their host plants has recently received renewed attention in the light of pest control. One way to modify the interaction of insects with their host plants in a non‐chemical way is through influence of their de/attachment. Insect detachment has been observed for textured biological and structured artificial surfaces with morphologies ...

Université de Fribourg

Degradable precision polynorbornenes via ring-opening metathesis polymerization

Moatsou, Dafni ; Nagarkar, Amit ; Kilbinger, Andreas F. M. ; O'Reilly, Rachel K.

In: Journal of Polymer Science Part A: Polymer Chemistry, 2016, vol. 54, no. 9, p. 1236–1242

In an attempt to introduce monomer sequence control in a growing polynorbornene via ring-opening metathesis polymerization, we employ dioxepins to efficiently determine the location of the monomers on the macromolecule backbone. Owing to the acid-labile acetal group, dioxepins allow scission of the polymer at the point of the dioxepin insertion and thus provide an indirect way to determine...