2026-05-05T19:35:37Zhttps://uvadoc.uva.es/oai/requestoai:uvadoc.uva.es:10324/258852021-06-24T07:45:53Zcom_10324_31661com_10324_952com_10324_894com_10324_1158com_10324_931col_10324_31662col_10324_1242
00925njm 22002777a 4500
dc
Martín de León, Judit
author
Bernardo García, Victoria
author
Rodríguez Pérez, Miguel Ángel
author
2016
Nanocellular foamshavebeenproducedbymeansofagasdissolutionprocessusingpolyphenylsulfone
(PPSU) asmatrixpolymer.Cellsizesintherange20–30 nmandcellnucleationdensitieshigherthan
1015 cm 3 havebeenachievedformaterialswithrelativedensitiesintherange0.65–0.75. Theinfluence
of bothsaturationpressureandfoamingtemperaturehasbeenstudied.Ontheonehand,ithasbeen
provedthatthereisalargeinfluence oftheamountofgas(CO2) absorbedinthe final cellularstructure,
in factithasbeenfoundacriticalCO2 uptake between9%and9.5%atwhichthecellsizesevolvefromthe
micro tothenanoscale.Ontheotherhand,ithasbeenfoundthatthereisawiderangeoffoaming
parameters(foamingtimeandfoamingtemperature)inwhichnanocellularfoamscanbeproduced.
Materials Letters178(2016)155–158
http://uvadoc.uva.es/handle/10324/25885
Production and characterization of nanocellular polyphenylsulfone foams