Stimuli‐Responsive Smart Materials for Additive Manufacturing

Pinho, Ana C.; Piedade, Ana P.

doi:10.1002/9783527835478.ch9

Cited by 4 publications

(3 citation statements)

References 86 publications

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“…Stimuli-responsive polymers are a prominent example of advanced materials that can change their properties or behavior in response to specific external conditions or triggers . These polymers have vastly been investigated for 4D printing in recent years . For example, PhIPS has shown the potential to deliver the temporary and permanent network architectures required for such structures .…”

Section: Applicationsmentioning

confidence: 99%

“…314 These polymers have vastly been investigated for 4D printing in recent years. 315 For example, PhIPS has shown the potential to deliver the temporary and permanent network architectures required for such structures. 313 Using a conventional DLP printer, an acrylic resin formulation containing isobornyl acrylate (IBOA)/2-ethylhexyl acrylate (EHA)/poly-(ethylene glycol) dimethacrylate (PEGDMA) and vinylbenzyltrioctylphosphonium 4-styrenesulfonate (VBTOB-SS) as ion pair comonomers was printed.…”

Section: Applicationsmentioning

confidence: 99%

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From Unregulated Networks to Designed Microstructures: Introducing Heterogeneity at Different Length Scales in Photopolymers for Additive Manufacturing

Ahmadi,

Ehrmann,

Koch

et al. 2024

Chem. Rev.

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Photopolymers have been optimized as protective and decorative coating materials for decades. However, with the rise of additive manufacturing technologies, vat photopolymerization has unlocked the use of photopolymers for three-dimensional objects with new material requirements. Thus, the originally highly cross-linked, amorphous architecture of photopolymers cannot match the expectations for modern materials anymore, revealing the largely unanswered question of how diverse properties can be achieved in photopolymers. Herein, we review how microstructural features in soft matter materials should be designed and implemented to obtain high performance materials. We then translate these findings into chemical design suggestions for enhanced printable photopolymers. Based on this analysis, we have found microstructural heterogenization to be the most powerful tool to tune photopolymer performance. By combining the chemical toolbox for photopolymerization and the analytical toolbox for microstructural characterization, we examine current strategies for physical heterogenization (fillers, inkjet printing) and chemical heterogenization (semicrystalline polymers, block copolymers, interpenetrating networks, photopolymerization induced phase separation) of photopolymers and put them into a material scientific context to develop a roadmap for improving and diversifying photopolymers' performance.

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Section: Applicationsmentioning

confidence: 99%

Section: Applicationsmentioning

confidence: 99%

From Unregulated Networks to Designed Microstructures: Introducing Heterogeneity at Different Length Scales in Photopolymers for Additive Manufacturing

Ahmadi,

Ehrmann,

Koch

et al. 2024

Chem. Rev.

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show abstract

“…[121][122][123][124][125] SMPs and SCPs are different from each other based on the geometric movement of structures. [126][127][128] Both types of polymers offer attractive advantages including distinct mechanical properties, potential recyclability, low density, excellent shape recovery, and deformation capacity under a variety of stimuli, easy processing, recoverable strain, chemical stability and modification, biocompatibility, and biodegradability with adjustable degradation rate. [129][130][131][132][133] Compared to SMAs, these polymers are lightweight, cost effective, and easier to process.…”

Section: Stimuli-responsive Materialsmentioning

confidence: 99%

Recent Advances in the Additive Manufacturing of Stimuli‐Responsive Soft Polymers

Tariq,

Arif,

Khalid

et al. 2023

Adv Eng Mater

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Stimuli‐responsive polymers (SRPs) are special types of soft materials, which have been extensively used for developing flexible actuators, soft robots, wearable devices, sensors, self‐expanding structures, and biomedical devices, thanks to their ability to change their shapes and functional properties in response to external stimuli including light, humidity, heat, pH, electric field, solvent, and magnetic field or combinations of two or more of these stimuli. In recent years, additive manufacturing (AM) aka three‐dimensional (3D) printing technology of these SRPs, also known as four‐dimensional (4D) printing, has gained phenomenal attention in different engineering fields, thanks to its unique ability to develop complex, personalized, and innovative structures, which undergo twisting, elongating, swelling, rolling, shrinking, bending, spiraling, and other complex morphological transformations. Herein, an effort has been made to provide insightful information about the AM techniques, type of SRPs, and their applications including, but not limited to tissue engineering, soft robots, bionics, actuators, sensors, construction, and smart textiles. This article also incorporates the current challenges and prospects, hoping to provide an insightful basis for the utilization of this technology in different engineering fields. It is expected that the amalgamation of 3D printing with SRPs would provide unparalleled advantages in different engineering arenas.This article is protected by copyright. All rights reserved.

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Biomimetics and 4D Printing: A Synergy for the Development of Innovative Materials

Di Salvo

2024

Environmental Footprints and Eco-Design of Products and Processes

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Stimuli‐Responsive Smart Materials for Additive Manufacturing

Cited by 4 publications

References 86 publications

From Unregulated Networks to Designed Microstructures: Introducing Heterogeneity at Different Length Scales in Photopolymers for Additive Manufacturing

From Unregulated Networks to Designed Microstructures: Introducing Heterogeneity at Different Length Scales in Photopolymers for Additive Manufacturing

Recent Advances in the Additive Manufacturing of Stimuli‐Responsive Soft Polymers

Biomimetics and 4D Printing: A Synergy for the Development of Innovative Materials

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