2024-03-28T18:05:22Zhttps://uvadoc.uva.es/oai/requestoai:uvadoc.uva.es:10324/407112021-06-24T07:47:20Zcom_10324_31661com_10324_952com_10324_894com_10324_1158com_10324_931col_10324_31662col_10324_1242
Martín de León, Judit
aeffb003f7dcf094
500
Bernardo García, Victoria
999a2a22f4ed00f2
500
Cimavilla Román, Paula
e5a899029f87e26f
500
Pérez Tamarit, Saúl
ee990f8e-ffb1-4d91-87d9-e0eb416c24b9
500
Rodríguez Pérez, Miguel Ángel
3a2115f06f0d71f7
500
0000-0002-3607-690X
2020-04-06T08:27:14Z
2020-04-06T08:27:14Z
2019
Advanced Engineering MaterialsVolume 21, Issue 6, 2019
1438-1656
http://uvadoc.uva.es/handle/10324/40711
10.1002/adem.201900148
1900148
6
Advanced Engineering Materials
21
1527-2648
Although nanocellular polymers are interesting materials with improved properties in comparison with conventional or microcellular polymers, the production of large and flat parts of those materials is still challenging. Herein, gas dissolution foaming process is used to produce large and flat nanocellular polymethylmethacrylate samples. In order to do that, the foaming step is performed in a hot press. The methodology is optimized to produce flat samples with dimensions of 100 × 100 × 6 mm3, relative densities in the range 0.25–0.55 and cell sizes around 250 nm. Additionally, foaming parameters are modified to study their influence on the final cellular structure, and the materials produced in this paper are compared with samples produced by using a most conventional approach in which foaming step is conducted in a thermal bath. Results obtained show that an increment in the foaming temperature leads to a reduction in relative density and an increase of cell nucleation density. Moreover, differences in the final cellular structure for materials produced by both foaming routes are studied, proving that although there exist some differences, the mechanisms governing the nucleation and growing are the same in both processes, leading to the production of homogeneous materials with very similar cellular structures.
application/pdf
spa
info:eu-repo/semantics/openAccess
Overcoming the Challenge of Producing Large and Flat Nanocellular Polymers: A Study with PMMA
info:eu-repo/semantics/article
info:eu-repo/semantics/draft
SI
THUMBNAIL
AEM 2019.pdf.jpg
AEM 2019.pdf.jpg
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https://uvadoc.uva.es/bitstream/10324/40711/3/AEM%202019.pdf.jpg
98d5b830e23dea2b0fe3bafaf2b947d5
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LICENSE
license.txt
license.txt
text/plain
3926
https://uvadoc.uva.es/bitstream/10324/40711/2/license.txt
017313583e37a1e4d1253e1ef6c66c6c
MD5
2
ORIGINAL
AEM 2019.pdf
AEM 2019.pdf
application/pdf
1102004
https://uvadoc.uva.es/bitstream/10324/40711/1/AEM%202019.pdf
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MD5
1
10324/40711
oai:uvadoc.uva.es:10324/40711
2021-06-24 09:47:20.584
UVaDOC
repositorio@uva.es
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