Bouncing and 3D printable hybrids with self-healing properties

Tallia, Francesca; Russo, Laura; Li, Siwei; Orrin, Alexandra L. H.; Shi, Xiaomeng; Chen, Shu; Steele, Joseph A. M.; Meille, Sylvain; Chevalier, Jérôme; Lee, Peter; Stevens, Molly M.; Cipolla, Laura; Jones, Julian R.

doi:10.1039/c8mh00027a

Cited by 51 publications

(131 citation statements)

References 68 publications

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Section: Retaining Materials Properties Of Printed Polymersmentioning

confidence: 99%

“…Excellent elasticity and self‐healing properties were demonstrated in 3D printable silica/poly(tetrahydrofuran)/poly(e‐caprolactone) (SiO2/PTHF/PCL‐diCOOH) hybrid materials. [ 201 ] The hybrids were prepared by sol–gel and an in situ cationic ring opening polymerization (CROP). The specific combination of various noncovalent bonding interactions (London dispersion forces, dipole–dipole interactions and hydrogen bonding) between the polymer chains enables the hybrid materials to have excellent self‐healing properties.…”

Section: Retaining Materials Properties Of Printed Polymersmentioning

confidence: 99%

“…[ 209 ] 3D printing of shape changing polymers, also termed 4D printing, [ 16,210–217 ] is an emerging technology with a great capacity for fabricating complex 3D structures, providing great potential for a wide range of applications. Various shape changing polymers including hydrogels, [ 98,99,111,117,118,188–201,203–220 ] shape memory polymers, [ 153,221–227 ] liquid crystal elastomers, [ 228–233 ] and silicone‐based elastomers [ 234–237 ] have been demonstrated to undergo 4D printing.…”

Section: Retaining Materials Properties Of Printed Polymersmentioning

confidence: 99%

“…The use of dynamic bonds which undergo reversible breaking, exchange and reformation could be utilized to modify the printability of polymers as well as imparting various advanced functions. [ 41–58,62–67,59,68,60,69,70,72,61,73,71,82,86–88,74–81,83–85,89–133,244,258 , …”

Section: Summary and Perspectivementioning

confidence: 99%

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Extrusion 3D Printing of Polymeric Materials with Advanced Properties

et al. 2020

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3D printing is a rapidly growing technology that has an enormous potential to impact a wide range of industries such as engineering, art, education, medicine, and aerospace. The flexibility in design provided by this technique offers many opportunities for manufacturing sophisticated 3D devices. The most widely utilized method is an extrusion‐based solid‐freeform fabrication approach, which is an extremely attractive additive manufacturing technology in both academic and industrial research communities. This method is versatile, with the ability to print a range of dimensions, multimaterial, and multifunctional 3D structures. It is also a very affordable technique in prototyping. However, the lack of variety in printable polymers with advanced material properties becomes the main bottleneck in further development of this technology. Herein, a comprehensive review is provided, focusing on material design strategies to achieve or enhance the 3D printability of a range of polymers including thermoplastics, thermosets, hydrogels, and other polymers by extrusion techniques. Moreover, diverse advanced properties exhibited by such printed polymers, such as mechanical strength, conductance, self‐healing, as well as other integrated properties are highlighted. Lastly, the stimuli responsiveness of the 3D printed polymeric materials including shape morphing, degradability, and color changing is also discussed.

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Section: Retaining Materials Properties Of Printed Polymersmentioning

confidence: 99%

Section: Retaining Materials Properties Of Printed Polymersmentioning

confidence: 99%

Section: Retaining Materials Properties Of Printed Polymersmentioning

confidence: 99%

Section: Summary and Perspectivementioning

confidence: 99%

See 2 more Smart Citations

Extrusion 3D Printing of Polymeric Materials with Advanced Properties

et al. 2020

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“…This was carried out following six weeks of implantation within an ovine model, a typical study length and model choice for articular cartilage device research [ 23 ]. The 3D printed hybrid scaffold implant was specifically chosen as the implanted regenerative medicine device because of its ability to take cyclic load, tailorable mechanical properties which in this instance were similar to that of the articular cartilage tissue [ 24 ], the fully-degradable nature over a period of months and evidence that, when printed with pore channel sizes of 200–250 µm, human mesenchymal stem cells were sent down a chondrogenic lineage and stimulated to produce articular-like cartilage matrix in vitro [ 25 ]. Analysis was carried out using in situ micro-CT mechanical testing and DVC on an explanted tissue-biomaterial sample (n = 1) including newly formed tissue.…”

Section: Introductionmentioning

confidence: 99%

Exploratory Full-Field Mechanical Analysis across the Osteochondral Tissue—Biomaterial Interface in an Ovine Model

et al. 2020

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Osteochondral injuries are increasingly prevalent, yet success in articular cartilage regeneration remains elusive, necessitating the development of new surgical interventions and novel medical devices. As part of device development, animal models are an important milestone in illustrating functionality of novel implants. Inspection of the tissue-biomaterial system is vital to understand and predict load-sharing capacity, fixation mechanics and micromotion, none of which are directly captured by traditional post-mortem techniques. This study aims to characterize the localised mechanics of an ex vivo ovine osteochondral tissue–biomaterial system extracted following six weeks in vivo testing, utilising laboratory micro-computed tomography, in situ loading and digital volume correlation. Herein, the full-field displacement and strain distributions were visualised across the interface of the system components, including newly formed tissue. The results from this exploratory study suggest that implant micromotion in respect to the surrounding tissue could be visualised in 3D across multiple loading steps. The methodology provides a non-destructive means to assess device performance holistically, informing device design to improve osteochondral regeneration strategies.

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Bioactive Glasses

Jaimes¹,

Poologasundarampillai²,

Brauer³

2019

Kirk-Othmer Encyclopedia of Chemical Technology

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Bioactive silicate glasses release ions when in contact with physiological solutions, leading to the formation of a biomimetic apatite surface layer. This apatite layer allows for protein adhesion, cell attachment and proliferation, and, subsequently, formation of a strong interfacial bond between bioactive glass and bone. In addition, bioactive glasses degrade in vivo and are replaced by new bone, and they thus help to regenerate bone tissue. These reactions are possible owing to the highly disrupted silicate structure of bioactive glasses, containing large concentrations of modifier ions and nonbridging oxygen atoms. Bioactive glasses have been used clinically since the mid‐1980s, and they are used mainly to treat bone defects. However, their mineralizing properties have also resulted in them being used in oral care products for the treatment of sensitive teeth and the remineralization of enamel.

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Bouncing and 3D printable hybrids with self-healing properties

Abstract: Novel sol–gel hybrid materials that put bounce in bioactive glass, can self-heal and can be directly 3D printed.

Cited by 51 publications

References 68 publications

Extrusion 3D Printing of Polymeric Materials with Advanced Properties

Extrusion 3D Printing of Polymeric Materials with Advanced Properties

Exploratory Full-Field Mechanical Analysis across the Osteochondral Tissue—Biomaterial Interface in an Ovine Model

Bioactive Glasses

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