Journal ArticleDOI
Highly Stretchable and UV Curable Elastomers for Digital Light Processing Based 3D Printing.
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TLDR
Stretchable UV-curable (SUV) elastomers can be stretched by up to 1100% and are suitable for digital-light-processing (DLP)-based 3D-printing technology, which enables the direct creation of highly deformable complex 3D hollow structures such as balloons, soft actuators, grippers, and buckyball electronical switches.Abstract:
Stretchable UV-curable (SUV) elastomers can be stretched by up to 1100% and are suitable for digital-light-processing (DLP)-based 3D-printing technology. DLP printing of these SUV elastomers enables the direct creation of highly deformable complex 3D hollow structures such as balloons, soft actuators, grippers, and buckyball electronical switches.read more
Citations
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Engineering of new durable cross-linked poly(styryl bisphosphonate) thin coatings onto polypropylene films for biomedical applications
TL;DR: It was found that HAP flower-like crystals grew on the surface of the coated films but not on the control films, indicating that the poly(StBP) coating may be a good candidate for use in bone tissue engineering.
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Design and optimization of projection stereolithography additive manufacturing system with multi-pass scanning
TL;DR: Wang et al. as discussed by the authors proposed an approach of multi-pass scanning and a compensation algorithm for multispectral scanning process to address the issue of poor stitching quality in SPSL systems.
Journal ArticleDOI
Fabrication of Microfluidic Devices for Emulsion Formation by Microstereolithography.
TL;DR: In this article, a review of the basics and recent innovations in projection micro-stereolithography (PµSL), the material basis with emphasis on custom-made photopolymer formulations, multimaterial 3D printing, and 3D-printed microfluidic devices for emulsion formation is presented.
Journal ArticleDOI
Optimization of 3D Printed Rapid Prototype Deep Drawing Tools for Automotive and Railway Sheet Material Testing
TL;DR: In this article , the authors identify optimal printing strategies and PLA (polylactic acid) filament materials to produce rapid prototype deep drawing tools using commercially available low-end 3D printers.
Journal ArticleDOI
Highly controlled structured catalysts for on-board methanol reforming
TL;DR: In this paper , the authors introduce an integrated method to prepare the highly controlled structured catalysts based on coupled processes: direct prototyping the structured substrate using digital light processing (DLP) 3D printing technology, in-situ dynamic crystallization of active components assisted by magnetic resonance imaging (MRI) and calcination.
References
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C 60 : Buckminsterfullerene
Harold W. Kroto,Harold W. Kroto,James R. Heath,Sean C. O'Brien,Robert F. Curl,Richard E. Smalley +5 more
TL;DR: In this article, the authors proposed a truncated icosahedron, a polygon with 60 vertices and 32 faces, 12 of which are pentagonal and 20 hexagonal.
Journal ArticleDOI
Highly stretchable and tough hydrogels
Jeong-Yun Sun,Xuanhe Zhao,Widusha R. K. Illeperuma,Ovijit Chaudhuri,Kyu Hwan Oh,David J. Mooney,David J. Mooney,Joost J. Vlassak,Zhigang Suo +8 more
TL;DR: The synthesis of hydrogels from polymers forming ionically and covalently crosslinked networks is reported, finding that these gels’ toughness is attributed to the synergy of two mechanisms: crack bridging by the network of covalent crosslinks, and hysteresis by unzipping thenetwork of ionic crosslinks.
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Continuous liquid interface production of 3D objects
John R. Tumbleston,David Shirvanyants,Nikita Ermoshkin,Rima Janusziewicz,Ashley R. Johnson,David L. Kelly,Kai Chen,Robert Pinschmidt,Jason P. Rolland,Alexander Ermoshkin,Edward T. Samulski,Joseph M. DeSimone,Joseph M. DeSimone +12 more
TL;DR: The continuous generation of monolithic polymeric parts up to tens of centimeters in size with feature resolution below 100 micrometers is demonstrated and critical control parameters are delineated and shown that complex solid parts can be drawn out of the resin at rates of hundreds of millimeters per hour.
Journal ArticleDOI
Multigait soft robot
Robert F. Shepherd,Filip Ilievski,Wonjae Choi,Stephen A. Morin,Adam A. Stokes,Aaron D. Mazzeo,Xin Chen,Michael Wang,George M. Whitesides +8 more
TL;DR: This manuscript describes a unique class of locomotive robot, composed exclusively of soft materials (elastomeric polymers), which is inspired by animals that do not have hard internal skeletons, and illustrates an advantage of soft robotics.
Journal ArticleDOI
Ultralight, ultrastiff mechanical metamaterials
Xiaoyu Zheng,Howon Lee,Todd H. Weisgraber,Maxim Shusteff,Joshua R. Deotte,Eric B. Duoss,Joshua D. Kuntz,Monika M. Biener,Qi Ge,Julie A. Jackson,Sergei O. Kucheyev,Nicholas X. Fang,Christopher M. Spadaccini +12 more
TL;DR: A class of microarchitected materials that maintain a nearly constant stiffness per unit mass density, even at ultralow density is reported, which derives from a network of nearly isotropic microscale unit cells with high structural connectivity and nanoscale features, whose structural members are designed to carry loads in tension or compression.