2024-03-28T10:39:15Zhttp://uvadoc.uva.es/oai/requestoai:uvadoc.uva.es:10324/273792021-06-23T10:17:35Zcom_10324_1158com_10324_931com_10324_894col_10324_1242
Control of Molecular weight and polydispersity in polyethylene/needle-like shaped clay nanocomposites obtained by in situ polymerization with metallocene catalysts
Herrero Villar, Manuel
Núñez Carrero, Karina Carla
Gallego Castro, Raúl
Merino Senovilla, Juan Carlos
Pastor Barajas, José María
Producción Científica
In an effort to understand the influence of the shape and area of the nanoclay type used in
the in situ polymerization process, two different types of clays (fibrillar and laminar) were
employed to obtain nanocomposites. The preliminary results demonstrated that a needlelike
shaped clay promotes higher molar mass and better mechanical properties compared
with laminar clay. The ultra-high molecular weight of sepiolite/nanocomposites introduces
significant problems with processability. Therefore, a new method of polymerization was
designed to include two significant changes. The first change was related to the use of a
non-isothermal temperature profile and the second to the addition of an additional amount
of non-anchored co-catalyst leading to materials with higher fluidity.
Ministerio de Economía y Competitividad
2017-11-27T12:27:57Z
2017-11-27T12:27:57Z
2016
info:eu-repo/semantics/article
European Polymer Journal (2016) 75. p.125-141
http://uvadoc.uva.es/handle/10324/27379
eng
Attribution 4.0 International
info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by/4.0/
Ministerio de Economía y Competitividad
application/pdf
Elsevier