Mechanical relaxation behavior of polyurethanes reinforced with the in situ-generated sodium silica-polyphosphate nanophase

TL;DR

This paper investigates the mechanical relaxation behavior of polyurethane composites reinforced with in situ-generated sodium silica-polyphosphate nanophase, providing insights into their microstructure and stress response.

Contribution

It introduces a novel analysis of hybrid polyurethane nanocomposites using a mechanical relaxometer to understand microstructural effects on relaxation behavior.

Findings

Microstructure influences relaxation behavior

Nanophase reinforcement affects stress amplification

Analysis reveals chain reptation and fractal aggregate effects

Abstract

Further exploration of hybrid organic/inorganic composites (polyurethane based with inorganic material sodium silica polyphosphate) properties with mechanical relaxometer gives ability to analyze microstructure of such materials in terms of chain reptation tubes filler's fractal aggregates and stress amplification.