Poly(vinyl alcohol) based monomers for lithography-based 3D fabrication

Heller, Christian; Schwentenwein, Martin; Porodec, Maja; Schulz‐Siegmund, Michaela; Stampfl, Jürgen; Varga, Franz; Liska, Robert

doi:10.1007/978-3-642-03900-3_88

Cited by 1 publication

(1 citation statement)

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“…An already used class of monomers for AMTs and TE scaffolds are vinyl esters (VE) since they show suitable potential for biomedical applications due to their favourable cytotoxicity profile [ 14 ]. Resins containing VEs have been extensively used in various AMTs, including vat polymerisation [ 15 , 16 , 17 , 18 , 19 , 20 , 21 ], two-photon polymerisation [ 22 , 23 , 24 ] and in casting techniques [ 25 , 26 , 27 ], particularly for biological scaffolding structures. However, the usage of VEs as homopolymers lack reactivity compared to acrylates [ 28 ].…”

Section: Introductionmentioning

confidence: 99%

Additive and Lithographic Manufacturing of Biomedical Scaffold Structures Using a Versatile Thiol-Ene Photocurable Resin

Kainz,

Perak,

Stubauer

et al. 2024

Polymers

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Additive and lithographic manufacturing technologies using photopolymerisation provide a powerful tool for fabricating multiscale structures, which is especially interesting for biomimetic scaffolds and biointerfaces. However, most resins are tailored to one particular fabrication technology, showing drawbacks for versatile use. Hence, we used a resin based on thiol-ene chemistry, leveraging its numerous advantages such as low oxygen inhibition, minimal shrinkage and high monomer conversion. The resin is tailored to applications in additive and lithographic technologies for future biofabrication where fast curing kinetics in the presence of oxygen are required, namely 3D inkjet printing, digital light processing and nanoimprint lithography. These technologies enable us to fabricate scaffolds over a span of six orders of magnitude with a maximum of 10 mm and a minimum of 150 nm in height, including bioinspired porous structures with controlled architecture, hole-patterned plates and micro/submicro patterned surfaces. Such versatile properties, combined with noncytotoxicity, degradability and the commercial availability of all the components render the resin as a prototyping material for tissue engineers.

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