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TitleMechanical properties of polyamide 6 reinforced microfibrilar composites
Author(s)Dencheva, Nadya Vasileva
Pouzada, A. S.
Kearns, Mark P.
Denchev, Z.
Oliveira, Maria J.
Polymer blends
Mechanical tests
Issue dateFeb-2011
JournalPolymer Composites
Abstract(s)The mechanical behavior of microfibrilar composites (MFC), consisting of a matrix of high-density polyethylene (HDPE) and reinforcement of polyamide 6 (PA6) fibrils, with and without compatibilization, was studied. The composites were produced by conventional processing techniques with various shape and arrangement of the PA6 reinforcing entities: long, unidirectional, or crossed bundles of fibrils (UDP and CPC, respectively), middle-length, randomly oriented bristles (MRB), or non-oriented micrometric PA6 spheres (NOM). The tensile, flexural, and impact properties of the MFC materials (UDP, CPC, and MRB) were determined as a function of the PA6 reinforcement shape, alignment and content, and compared with those of NOM, the non-fibrous composite It was concluded that the in-situ MFC materials based on HDPE/PA6 blends display improvements in the mechanical behavior when compared with the neat HDPE matrix, e.g., up to 33% for the Young modulus, up to 119% for the ultimate tensile strength, and up to 80% for the flexural stiffness.
AccessOpen access
Appears in Collections:IPC - Artigos em revistas científicas internacionais com arbitragem

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