Use of latent metathesis polymerization systems for photopolymerization-based additive manufacturing

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United States of America Patent

PATENT NO 11820839
APP PUB NO 20220363784A1
SERIAL NO

17830632

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Photolatent olefin metathesis catalysts can be used in combination with metathesis-active monomers or resins for photopolymerization-based additive manufacturing via ring-opening metathesis polymerization (ROMP). A variety of alternative catalysts and photosensitizers are commercially available that allows for tuning of thermomechanical properties, potlifes, activation rates, and irradiation wavelengths. As an example, two optimized catalyst/photosensitizer systems were demonstrated in the rapid stereolithographic printing of complex, multidimensional poly-dicyclopentadiene structures with microscale features under ambient conditions.

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Patent Owner(s)

  • NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA, LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Appelhans, Leah Tijeras, US 5 0
Leguizamon, Samuel Albuquerque, US 3 0

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