Influence of metal-containing polymer-silicate filler on the technological properties of polypropylene

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Lviv Polytechnic National University
Lviv Polytechnic National University
Lviv Polytechnic National University, The John Paul II Catholic University of Lublin
Lviv Polytechnic National University
Lviv Polytechnic National University

The influence of Ni-containing polymer-silicate filler on the technological properties of polypropylene is presented. It was found that the introduction of silicate fillers modified by polyvinyl alcohol change the flow patterns of polypropylene melts, in particular viscosity increases and anomalous viscosity shifts. The change of thermomechanical curves of polypropylene under the action of modified silicate fillers is shown. It is noted that composite materials based on polypropylene and modified silicate filler are characterized by reduced melt flow index, reduced values of technological shrinkage and slightly increased water absorption.

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