Morphology and Properties of Thermoplastic Composites with Modified Silicate Fillers

It is shown that composites based on polypropylene, polycaproamide, and silicate filler modified by polyvinyl alcohol have a high degree of crystallinity and lowered mean size of crystallites due to the enhanced technological compatibility of the components. It is established that the filler improves the elastic deformation and physicomechanical properties of the composites and, in particular, their surface hardness, fracture strength, and elasticity modulus. We establish the influence of the modified silicate filler on the structural factors and the linear coefficients of thermal expansion of the created composites.