Exploration of Bio-Based
Functionalized Sucrose Ester
Resins for Additive Manufacturing via Stereolithography
Posted on 2020-06-24 - 18:34
Highly
functional bio-based methacrylate and acrylate resins were
synthesized from epoxidized sucrose soyate (ESS) and incorporated
into formulations for stereolithographic (SLA) printing. These formulations
were compared to a commercial SLA resin and with formulations where
the bio-derived resins were replaced with commercial urethane acrylates.
The tensile, flexural, rheological, and thermomechanical performances
of the respective formulations and their prints were compared. All
of the formulations were able to be printed satisfactorily with a
Peopoly Moai SLA 3D printer. The acrylated ESS resin showed the highest
viscosity while the methacrylated ESS resins had lower viscosities
than the control urethane acrylates. The prints made from the formulations
containing the methacrylated ESS resins had similar Tgs to that of the urethane acrylate control formulations
while the prints from the acrylated ESS resin had a lower Tg. The tensile and flexural properties were
consistent with the Tg values in terms
of modulus, but some of the prints showed surface cracking that compromised
the strength properties. This study demonstrated the ability of a
bio-derived material to be functionally modified and incorporated
into an SLA formulation and printed in different orientations.
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Silbert, Samantha
D.; Simpson, Patrick; Setien, Raul; Holthaus, Michael; La Scala, John; Ulven, Chad A.; et al. (2020). Exploration of Bio-Based
Functionalized Sucrose Ester
Resins for Additive Manufacturing via Stereolithography. ACS Publications. Collection. https://doi.org/10.1021/acsapm.0c00417
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AUTHORS (7)
SS
Samantha
D. Silbert
PS
Patrick Simpson
RS
Raul Setien
MH
Michael Holthaus
JL
John La Scala
CU
Chad A. Ulven
DW
Dean C. Webster