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Polypropylene/Nylon‐66/Carbon Black Blends Processed at Temperatures Just Below the Nylon Melting: Anisotropy in Structure and Properties
Author(s) -
Zoldan Janet,
Siegmann Ar,
Narkis Moshe
Publication year - 2006
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/masy.200690008
Subject(s) - materials science , polypropylene , carbon black , polymer blend , composite material , anisotropy , ternary operation , dispersion (optics) , polymer , nylon 6 , phase (matter) , compounding , copolymer , optics , chemistry , programming language , natural rubber , physics , organic chemistry , computer science
In‐situ fibrillation of nylon (Ny) is obtained by compounding and processing its binary blends with polypropylene (PP) and ternary carbon black (CB) containing blends just below the melting temperature (Tm) of the dispersed, Ny phase, yet, above that of the PP. At such low temperatures the Ny behaves as an elastic solid deforming under the elongational flow of the molten PP matrix. Without the mediation of PP, Ny could not be processed or compounded at such low temperatures. This structured anisotropy in both binary and ternary blends resulted in anisotropy in the electrical and dielectric properties of the blends. Moreover, the dynamic electrical behavior was used as a powerful tool to study the CB dispersion mode in the polymer blends.