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Paraffin-Peloid Formulations from Copahue: Processing, Characterization, and Application.

Micaela A Sanchez1,2, Miria T Baschini1,2, Manuel Pozo3

  • 1Engineering School, Comahue National University, Neuquén 8300, Argentina.

Materials (Basel, Switzerland)
|July 29, 2023
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Summary

A novel mudpack combining medicinal paraffin and Copahue peloids offers year-round therapeutic potential. This stable, reusable formulation retains key components like sulfur and clay for effective thermotherapy, overcoming accessibility challenges.

Keywords:
dry peloidsmudpackparaffinthermotherapy

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Area of Science:

  • Materials Science
  • Therapeutic Modalities
  • Biomedical Engineering

Background:

  • Copahue peloids from Argentina possess therapeutic properties for osteoarticular and dermatological conditions, primarily due to sulfur content and thermotherapeutic potential.
  • Geographical and seasonal accessibility challenges limit the year-round use of natural Copahue peloids.
  • Development of a stable, accessible thermotherapeutic material is needed.

Purpose of the Study:

  • To formulate and characterize a novel mudpack by combining medicinal paraffin with dehydrated Copahue peloids.
  • To evaluate the thermotherapeutic properties and stability of the developed mudpack for potential year-round application.

Main Methods:

  • Peloid-paraffin mudpacks were prepared with peloid concentrations up to 10% w/w.
  • Material characterization included X-ray diffraction (XRD), Infrared (IR) spectroscopy, and differential scanning calorimetry (DSC).
  • Thermal properties were assessed by measuring cooling rates, and stability was evaluated over 10 heating-cooling cycles.

Main Results:

  • XRD confirmed the presence of sulfur in the mudpack, while IR spectroscopy identified medicinal paraffin and mineral clay components (Si-O vibrations at 1041 cm⁻¹ at 6% and 10% peloid concentrations).
  • The mudpack exhibited desirable low luminosity and grey tonality, enhancing patient acceptability and radiation absorption.
  • The mudpack demonstrated a slower heat release (0.6 °C·min⁻¹) compared to peloids, indicating suitability for thermotherapy. Stability was maintained after 10 reuse cycles.

Conclusions:

  • The developed peloid-paraffin mudpack successfully incorporates key therapeutic components of Copahue peloids.
  • The formulation exhibits favorable thermal properties and stability, making it a promising candidate for year-round thermotherapeutic applications.
  • This innovation offers a scalable solution to overcome the accessibility limitations of natural peloids.