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Methacrylate-based polymer foams with controllable connectivity, pore shape, pore size and polydispersity

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Abstract

Polymer foams are becoming increasingly important in industry, especially biodegradable polymer foams are in demand. Depending on the application, polymer foams need to have characteristic properties, which include connectivity and polydispersity. We show how polymer foams with tailor-made structures can be synthesized from water-in-monomer emulsions which were generated via microfluidics. As monomer we used 1,4-butanediol dimethacrylate (1,4-BDDMA). Firstly, we synthesised monodisperse open- and closed-cell poly(1,4-BDDMA) foams with either spherical or hexagonal pore shapes by varying the locus of initiation. Secondly, we were able to control the pore diameters and obtained polymer foams of both connectivities and pore shapes with pore sizes from ∼70 μm up to ∼120 μm by means of one microfluidic chip. Finally, we synthesized poly(1,4-BDDMA) foams with controllable polydispersity. Here, the mean droplet diameter was the same as that of the monodisperse counterparts in order to be able to compare the properties of the resulting polymer foams.

Graphical abstract: Methacrylate-based polymer foams with controllable connectivity, pore shape, pore size and polydispersity

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Publication details

The article was received on 26 Jun 2019, accepted on 17 Nov 2019 and first published on 03 Dec 2019


Article type: Paper
DOI: 10.1039/C9CP03606G
Phys. Chem. Chem. Phys., 2020, Advance Article

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    Methacrylate-based polymer foams with controllable connectivity, pore shape, pore size and polydispersity

    M. L. Dabrowski, D. Jenkins, E. Cosgriff-Hernandez and C. Stubenrauch, Phys. Chem. Chem. Phys., 2020, Advance Article , DOI: 10.1039/C9CP03606G

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