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Strain Sensing Based on Multiscale Composite Materials Reinforced with Graphene Nanoplatelets

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Reinforced Epoxy Composites Modified with Functionalized Graphene Oxide.

Anton Mostovoy¹, Andrey Shcherbakov², Andrey Yakovlev³

¹Laboratory "Modern Methods of Research of Functional Materials and Systems", Yuri Gagarin State Technical University of Saratov, Polytechnichskaya St., 77, 410054 Saratov, Russia.

|January 21, 2022

Summary

Graphene oxide enhances epoxy-basalt composites by optimizing its content and surface modification. Functionalized graphene oxide improves physico-mechanical properties and influences the polymer curing process.

Keywords:

epoxy-diane resin graphene oxide homogenization physical and mechanical properties surface functionalization

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Area of Science:

Materials Science
Polymer Chemistry
Composite Materials

Background:

Polymer fiber-reinforced composites offer excellent mechanical properties.
Enhancing composite performance through additive modification is crucial.
Graphene oxide is a promising nanomaterial for composite reinforcement.

Purpose of the Study:

To investigate graphene oxide as a modifying additive for epoxy resin and basalt roving composites.
To determine the optimal graphene oxide content for improved physico-mechanical properties.
To evaluate the effect of surface-modified graphene oxide on composite performance and curing.

Main Methods:

Experimental determination of optimal graphene oxide content.
Surface modification of graphene oxide using APTES and aminoacetic acid.
Thermosimetric analysis and differential scanning calorimetry to study the curing process.

Main Results:

Optimized graphene oxide content significantly improved physico-mechanical properties.
Surface functionalization enhanced the polymer matrix-filler interface interaction.
Graphene oxide and its functionalizations influenced the polymer curing kinetics and thermodynamics.

Conclusions:

Graphene oxide is an effective additive for enhancing epoxy-basalt composites.
Surface modification strategies are key to maximizing graphene oxide's benefits.
Understanding the impact on curing is vital for composite processing and application.