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Polymers are widely used due to their low cost, ease of processing and reproducibility. The combination of the latter properties and the wide availability of one or two nano-sized nanofillers has led to the development of polymer nanocomposites with improved properties and new potential applications.
The main point of this paper
Applications of nanostructured carbon:
Nanostructured forms of carbon can be integrated into polymeric materials to provide a variety of properties.
Endowed properties:
Self-sensing properties
Anti-/de-icing capability
Self-repairing properties
Bonding properties
Durability
Smart Materials:
These properties enable materials to respond appropriately to external stimuli (e.g., physical, mechanical, electrical, chemical, thermal, optical, etc.).
Sensor-integrated systems:
Lightweight structures can be built to integrate strain, pressure and temperature sensors.
Industrial Applications:
Meet the requirements of civil, mechanical and aerospace engineering.
Research Objective:
Production of composites based on multi-walled carbon nanotubes (MWCNTs).
Intelligent Systems:
Used as heating elements while maintaining structural properties.
Research Object:
Epoxy carbon nanotube composites with heating properties.
Heating performance regulation:
The heating properties of composites are regulated by changing the value of the applied voltage.
Application of self-heating device:
A self-heating device was developed that can be heated to high temperatures in a short period of time and is applicable to a variety of fields.
Electrothermal Characterization:
Positive Temperature Coefficient (PTC) and Negative Temperature Coefficient (NTC) behaviors were observed around the glass transition temperature of the epoxy group.
Temperature Coefficient Behavior:
NTC behavior dominates in epoxy carbon nanotube composites.
In this paper, a heated nanocomposite material for structural applications is investigated. The results of the study show that the material can be heated up to high temperatures in a very short time when appropriate power values are applied. In addition, heating tests demonstrate the relationship between electrical resistance and the phenomenon of polymer chain relaxation. Below the glass transition temperature, the PTC tendency dominates, while near the glass transition temperature, the NTC behavior dominates.
