TECHNOLOGY

Exceptional Performance. Scalable Chemistry.

Cygnet's initial technology platform is built around Cygnon™, a highly phenylated poly(phenylene) with R&D, scale-up, and application validation extending from its core polymer chemistry.

Cygnet team members in a technology workspace.
Cygnon™ —Poly(hexaphenyl‑m/p‑quaterphenylene)(PHPQP)
Glass Transition Temperature (Tg) [1,2,3]388–400 °C
Decomposition Temperature (Td) [1,2,3]581–660 °C
Char Yield [2]67 %
Young's Modulus (EY) [3]2.56 GPa
Yield Stress (σyield) [3]54.5 MPa
Elongation at Break (εb) [3]50.9 %
Density [2,3]1.105–1.178 g/cm3
Water Absorption [3]0.00 %
Common Solvents [4]Chloroform, cyclohexanone, dichloromethane, dimethylacetamide, N‑methylpyrrolidone, tetrahydrofuran, and toluene

Material Properties

Cygnon's properties enable robust, transparent films and coatings with exceptional corrosion resistance.

Conceptual rendering of commercial products.

Potential Industries

Cygnon's material properties excel in environments where thermal and chemical resistance are critical.

Additive Manufacturing
  • Chemical-resistant printed parts
  • High-temperature tooling and fixtures
  • Printable inks and resins
Aerospace & Defense
  • Carbon/carbon composite systems
  • Lightweight structural materials
  • Protective films and coatings
Electronics & Energy
  • Printed circuit board substrates
  • Connector and insulator components
  • Battery, desalination, and fuel cell materials
Industrial Materials
  • Fire-resistant foams and insulation
  • High-temperature adhesives
  • Chemical-resistant seals and barriers
Medical
  • Sterilization-resistant device materials
  • Surgical instrument components
  • Biocompatible implants

Have a Collaboration in Mind?

Cygnet welcomes focused partner conversations and scoped research projects.

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Investor Overview

References:

[1]Fujimoto, C. H., Hickner, M. A., Cornelius, C. J., & Loy, D. A. (2005). Ionomeric poly(phenylene) prepared by diels-alder polymerization: Synthesis and physical properties of a novel polyelectrolyte. Macromolecules, 38(12), 5010-5016. https://doi.org/10.1021/ma0482720
[2]Largier, T., Huang, F., & Cornelius, C. J. (2017). Homopolymer and multi-block Diels-Alder polyphenylenes: Synthesis, physical properties, X-ray diffraction, and gas transport. European Polymer Journal, 89, 301-310. https://doi.org/10.1016/j.eurpolymj.2017.02.030
[3]Largier, T., Huang, F., Kahn, W., & Cornelius, C. J. (2019). Poly(phenylene) synthesized using diels-alder chemistry and its sulfonation: Sulfonate group complexation with metal counter-ions, physical properties, and gas transport. Journal of Membrane Science, 572, 320-331. https://doi.org/10.1016/j.memsci.2018.11.024
[4]Guo, C., Budy, S. M., & Loy, D. A. (2013). Asymmetric membranes by wet phase inversion of phenylated polyphenylene. Journal of Applied Polymer Science, 128(1), 750-753. https://doi.org/10.1002/app.37997

Technology pages are high-level public summaries. Target properties, planned tests, observed status, applications, and validation milestones are not commercial-readiness claims.

Cygnon™ is a trademark of Cygnet Scientific Holdings LLC.