2026-04-14T18:29:19Zhttps://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
Martín de León, Judit
Bernardo García, Victoria
Rodríguez Pérez, Miguel Ángel
2017-09-24T15:18:50Z
2017-09-24T15:18:50Z
2016
Materials Letters178(2016)155–158
http://uvadoc.uva.es/handle/10324/25885
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.
eng
info:eu-repo/semantics/restrictedAccess
Production and characterization of nanocellular polyphenylsulfone foams
info:eu-repo/semantics/article