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Talc functionality as lubricant: texture, mean diameter, and specific surface area influence.

J Ribet1, K Poret, D Arseguel

  • 1GEFSOD EA 2631, Laboratoires de Pharmacie Galénique, Facultés des Sciences Pharmaceutiques, Toulouse, France.

Drug Development and Industrial Pharmacy
|December 18, 2003
PubMed
Summary
This summary is machine-generated.

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Talc

Area of Science:

  • Materials Science
  • Pharmaceutical Sciences
  • Powder Technology

Background:

  • Talc is a common glidant in powder formulations.
  • Understanding talc's properties is crucial for optimizing powder compression and tablet manufacturing.

Purpose of the Study:

  • To investigate how talc's texture, mean diameter (D50), and specific surface area affect lubrication during powder compression.
  • To identify the most critical talc characteristic for enhancing lubrication performance.

Main Methods:

  • Studied different talc textures (microcrystalline, macrocrystalline).
  • Analyzed the impact of varying mean particle diameters (D50) from 0.62 to 15 micrometers.
  • Evaluated specific surface area's role in lubrication.

Related Experiment Videos

Main Results:

  • Talc texture positively influenced compression parameters.
  • Decreasing mean diameter (D50) improved lubrication performance.
  • Specific surface area was identified as the most significant factor for talc's lubrication ability.

Conclusions:

  • Talc's specific surface area is the key determinant of its lubrication performance in powder compression.
  • Tailoring talc characteristics can optimize tablet manufacturing processes.