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

Leguizamon, Samuel; Appelhans, Leah

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

Patent · Mon Nov 20 23:00:00 EST 2023

OSTI ID:2293879

Leguizamon, Samuel; Appelhans, Leah

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.

Research Organization:: Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

DOE Contract Number:: NA0003525

Assignee:: National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM)

Patent Number(s):: 11,820,839

Application Number:: 17/830,632

OSTI ID:: 2293879

Country of Publication:: United States

Language:: English

References (12)

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