Abstract

High-modulus–high tenacity PP filaments have found various uses in industrial applications/technical textiles on the basis of their superior properties and inert nature. The feed parameters as well as the processing variables, all have an important impact on the ultimate properties of PP filament, as has been observed by various researchers. This article critically reviews the production of high-modulus–high-tenacity PP filament along with proposed changes in microstructure leading to the superior mechanical properties. The contributions of crystallite and amorphous orientations, amorphous modulus, crystallinity, and flaws in the shaping of mechanical properties of such filaments have been discussed in this paper

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