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\begin{document}

\title{Supporting Information for ``Unstructured Direct Ink Write 3D Printing
of Functional Structures with Ambient Temperature Curing Dual-Network
Thermoset Ink''}



\author[1]{Connor D. Armstrong}%
\author[1]{Liang Yue}%
\author[1]{Frédéric Demoly}%
\author[1]{Kun Zhou}%
\author[1]{H. Jerry Qi}%
\affil[1]{Affiliation not available}%


\vspace{-1em}



  
  \date{May 26, 2024}


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\textbf{Supplementary Materials:} Figures S1, S2, S3, Equation S1\selectlanguage{english}
\begin{figure}[H]
\begin{center}
\includegraphics[width=0.98\columnwidth]{figures/image1/image1}

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\end{figure}

\textbf{Figure S1} . Wavenumber data from FTIR
characterization.~\textbf{(a)} Absorbance versus wavenumber of the epoxy
resin stage over time. \textbf{(b)} Absorbance versus wavenumber of the
photopolymer resin stage when exposed to different lengths of UV
irradiation.\selectlanguage{english}
\begin{figure}[H]
\begin{center}
\includegraphics[width=0.98\columnwidth]{figures/image2/image2}

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\textbf{Figure S2} . Stress-strain curves from tensile testing of fully
photo cured PE70 samples after \textbf{(a)} 0 hour, and \textbf{(b)} 72
hours.\selectlanguage{english}
\begin{figure}[H]
\begin{center}
\includegraphics[width=0.98\columnwidth]{figures/image3/image3}

\end{center}
\end{figure}

\textbf{Figure S3} . Rheological characterization of uncured PE70
two-stage resin. \textbf{(a)} Storage (G') and loss (G'') moduli, of
uncured two stage resin with 7wt\% fumed silica rheological additive
quantified over a range of oscillation stresses. \textbf{(b)} Viscosity
with respect to shear rate. \textbf{(c)} Viscosity with respect to time.

\begin{equation}
V=\ \selectlanguage{greek}\selectlanguage{english}\frac{\text{Aσ}}{g}\frac{1}{\rho}\nonumber \\
 \end{equation}

\textbf{Equation S1} : Calculation of maximum printable volume where V =
volume of the structure, A = base layer area, \selectlanguage{greek}σ \selectlanguage{english}= adhesion strength, g =
gravitational constant, and \selectlanguage{greek}ρ \selectlanguage{english}= density of the two-stage ink.

\selectlanguage{english}
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