From identifying polymeric resins to corrosion casting applications

Reyes, Pablo; D’hooge, Dagmar; Cornillie, Pieter

doi:10.1002/app.52284

Cited by 2 publications

(2 citation statements)

References 57 publications

(296 reference statements)

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“…Therefore, for the dedicated testing phase of this study, including the pot life determination, Case E, J, L, M and N were selected. Also, Case O, being the optimized historical case from our previous work [ 42 ], was included for comparison purposes, alongside Batson’s #17 (widely used commercial product [ 67 ]; Case P) for a benchmark comparison.…”

Section: Resultsmentioning

confidence: 99%

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Multicomponent Acrylic Formulation Design for Corrosion Casting with Controlled Mechanical Properties

Reyes,

Edeleva,

D’hooge

et al. 2023

Polymers

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Corrosion casting based on the curing of acrylic resins enables one to create casts as replicas of body systems, enhancing our knowledge of veterinary medicine. The identification of the optimal chemical formulations as well as the processing conditions, the delivery of good control during the liquid state and the excellent macroscopic properties during solidification and after use are remaining challenges. In the present work, based on the identification of more qualitative trends, it is demonstrated that multicomponent comonomer mixtures are interesting materials that can be used to expand the range of mechanical properties and can specifically result in a better balance between stiffness and flexibility while guaranteeing dimensional stability. Emphasis is put on a large pool of formulations in the testing phase to then perform a detailed mechanical flexural analysis for the most promising cases during a more rigorous testing phase, accounting for a new pragmatic protocol for the pot life. This protocol consists of a vial-based turning test and a measurement of the viscosity variation up to 1000 mPa∙s and highlights the complex interplay between the overall initial concentrations and the impact of the absence of mixing once the system is at rest. It is demonstrated that the use of only low-molar-mass crosslinkers should be avoided, and overall, an intermediate amount of crosslinkers is recommendable.

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Section: Resultsmentioning

confidence: 99%

“…was included for comparison purposes, alongside Batson's #17 (widely used commercial product [67]; Case P) for a benchmark comparison.…”

Section: Preliminary Screening Of Mechanical Performancementioning

confidence: 99%

Multicomponent Acrylic Formulation Design for Corrosion Casting with Controlled Mechanical Properties

Reyes,

Edeleva,

D’hooge

et al. 2023

Polymers

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View full text Add to dashboard Cite

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From Corrosion Casting to Virtual Dissection: Contrast‐Enhanced Vascular Imaging using Hafnium Oxide Nanocrystals

Goossens,

Deblock,

Caboor

et al. 2024

Small Methods

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Vascular corrosion casting is a method used to visualize the three dimensional (3D) anatomy and branching pattern of blood vessels. A polymer resin is injected in the vascular system and, after curing, the surrounding tissue is removed. The latter often deforms or even fractures the fragile cast. Here, a method is proposed that does not require corrosion, and is based on in situ micro computed tomography (micro‐CT) scans. To overcome the lack of CT contrast between the polymer cast and the animals' surrounding soft tissue, hafnium oxide nanocrystals (HfO2 NCs) are introduced as CT contrast agents into the resin. The NCs dramatically improve the overall CT contrast of the cast and allow for straightforward segmentation in the CT scans. Careful design of the NC surface chemistry ensures the colloidal stability of the NCs in the casting resin. Using only 5 m% of HfO2 NCs, high‐quality cardiovascular casts of both zebrafish and mice can be automatically segmented using CT imaging software. This allows to differentiate even m‐scale details without having to alter the current resin injection methods. This new method of virtual dissection by visualizing casts in situ using contrast‐enhanced CT imaging greatly expands the application potential of the technique.

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From identifying polymeric resins to corrosion casting applications

Cited by 2 publications

References 57 publications

Multicomponent Acrylic Formulation Design for Corrosion Casting with Controlled Mechanical Properties

Multicomponent Acrylic Formulation Design for Corrosion Casting with Controlled Mechanical Properties

From Corrosion Casting to Virtual Dissection: Contrast‐Enhanced Vascular Imaging using Hafnium Oxide Nanocrystals

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