Photoinitiating systems and kinetics of frontal photopolymerization processes–the prospects for efficient preparation of composites and thick 3D structures

F Petko, A Świeży, J Ortyl - Polymer Chemistry, 2021 - pubs.rsc.org
In recent years, frontal polymerisation has found a growing interest in many applications.
Thus, its ability to cure thick samples with different fillers up to 50% by local application of a …

Spatiotemporally controlled photoresponsive hydrogels: design and predictive modeling from processing through application

H Zhu, H Yang, Y Ma, TJ Lu, F Xu… - Advanced Functional …, 2020 - Wiley Online Library
Photoresponsive hydrogels (PRHs) are soft materials whose mechanical and chemical
properties can be tuned spatially and temporally with relative ease. Both photo …

[HTML][HTML] Bioinspired fiber-regulated composite with tunable permanent shape and shape memory properties via 3d magnetic printing

L Ren, B Li, Z Song, Q Liu, L Ren, X Zhou - Composites Part B: Engineering, 2019 - Elsevier
Shape memory polymers (SMPs) generally change shape from a temporary state to a
permanent state, and the permanent shape is only determined by its initial form, which leads …

Initiation of surface wrinkling during photopolymerization

D Wu, Y Huang, Q Zhang, P Wang, Y Pei… - Journal of the …, 2022 - Elsevier
It has long been observed when photo-curable resin is exposed to light, surface wrinkle
pattern arises before the resin is fully photopolymerized. However, the critical condition for …

A photo-chemo-mechanical coupling constitutive model for photopolymerization-based 3D printing hydrogels

H Zhu, Y Guo, Z Chen, S Qu - Journal of the Mechanics and Physics of …, 2024 - Elsevier
Photopolymerization-based 3D printing has emerged as a key technology in hydrogel
manufacturing, broadening the attributes of hydrogels and extending their applications into …

From Grayscale Photopolymerization 3D Printing to Functionally Graded Materials

G Fei, C Parra‐Cabrera, K Zhong… - Advanced Functional …, 2024 - Wiley Online Library
Functionally graded materials (FGMs) have spatial variations in structure or composition that
result in gradients in their mechanical, thermal, swelling, or other properties. FGMs have …

A finite deformation theory of desolvation and swelling in partially photo-cross-linked polymer networks for 3D/4D printing applications

Z Zhao, HJ Qi, D Fang - Soft matter, 2019 - pubs.rsc.org
Photopolymerization is a process strongly dependent on the light field in the resin. This
typically results in a non-uniformly crosslinked network where some parts of the network are …

[HTML][HTML] Mechanical behaviors and the equivalent network model of self-similar multinetwork elastomers

Z Zhao, D Wu, M Lei, Q Zhang, P Wang, H Lei - International Journal of …, 2021 - Elsevier
Multinetwork (MN) is a common topological structure in polymerization related
manufacturing and artificial high-performance polymers. Currently the experimental and …

Phase separation in swelling and deswelling hydrogels with a free boundary

MG Hennessy, A Münch, B Wagner - Physical Review E, 2020 - APS
We present a full kinetic model of a hydrogel that undergoes phase separation during
swelling and deswelling. The model accounts for the interfacial energy of coexisting phases …

Digital halftoning for printer-independent stereolithography of functionally graded materials

G Fei, C Parra-Cabrera, B Xia, K Zhong, K Clays… - Cell Reports Physical …, 2023 - cell.com
Grayscale masks have been applied in high-end stereolithography (SLA) 3D printers to
spatially define the degree of photopolymerization and fabricate objects with graded …