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Single Polymer Composites of Poly( B utylene Terephthalate) Microfibrils Loaded with Carbon Nanotubes Exhibiting Electrical Conductivity and Improved Mechanical Properties
Author(s) -
Fakirov Stoyko,
Rahman M. Zillur,
Pötschke Petra,
Bhattacharyya Debes
Publication year - 2014
Publication title -
macromolecular materials and engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.913
H-Index - 96
eISSN - 1439-2054
pISSN - 1438-7492
DOI - 10.1002/mame.201300322
Subject(s) - materials science , composite material , ultimate tensile strength , carbon nanotube , polypropylene , electrical resistivity and conductivity , polymer , modulus , isotropy , electrical engineering , engineering , physics , quantum mechanics
Applying the concept of microfibrillar composites, microfibrils of poly(butylene terephthalate) (PBT) loaded with 5 wt% multi‐walled carbon nanotubes are prepared by extraction of polypropylene (PP) from drawn PP/PBT blends and shaped into single polymer composites (SPCs). SPCs show superior mechanical performance with up to 300–600% improvement in modulus and tensile strength as compared to neat isotropic PBT. In addition, the microfibrillar SPCs (MF‐SPCs), as well as the single microfibrils, have electrical volume conductivity of 8 × 10 −3 S cm − 1 demonstrating electrical conductive behavior.
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