| Issue |
Europhysics News
Volume 47, Number 1, January-February 2016
|
|
|---|---|---|
| Page(s) | 22 - 26 | |
| DOI | https://doi.org/10.1051/epn/2016103 | |
| Published online | 10 February 2016 | |
Soft Janus, wrinkles and all
1
CENIMAT- I3N, Departamento de Ciência dos Materiais – Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Portugal
2
ISEL – Instituto Superior de Engenharia de Lisboa – Instituto Politécnico de Lisboa, Portugal
3
CEDOC – Centro de Estudos de Doenças Crónicas – NOVA Medical School, Universidade Nova de Lisboa, Portugal
4
Centro de Física Teórica e Computacional – Faculdade de Ciências da Universidade de Lisboa, Portugal
5
CeFEMA – Centro de Física e Engenharia de Materiais Avançados Departamento de Física do Instituto Superior Técnico – Universidade de Lisboa, Portugal
* Email: acrt@fct.unl.pt
+ Email: pedro.patricio@adf.isel.pt
# Email: piteixeira@fc.ul.pt
$ Email: pedro.brogueira@tecnico.ulisboa.pt
€ Email: mhg@fct.unl.pt
Right now you are probably sitting on a comfy cushion. This is most likely filled with polyurethane (PU) foam. PUs are very long molecules made up of many repeating units. If the repeating units are prepolymers – intermediate-mass building blocks – with more than two reactive end groups, a three-dimensional network will form – a rubber, or elastomer, which can behave elastically depending on the degree of network cross-linking.
© European Physical Society, EDP Sciences, 2016
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