Photomechanics of light-activated polymers

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WebJul 13, 2009 · Photomechanical shape memory polymers are an exciting class of materials that are able to store a temporary shape and recover their original shape when stimulated … WebMar 1, 2024 · Photomechanics of light-activated polymers. K. Long, T. F. Scott, H. Qi, C. Bowman, M. Dunn; Materials Science. 2009; ... The effects of oxygen on both stress relaxation and bending actuation are studied in light activated covalent adaptable networks formed by radical polymerization reactions, which have potential applications as novel ...

Mechanical behavior of photopolymerized materials

WebLight-activated polymers are an exciting class of materials that respond mechanically when irradiated at particular wavelengths. Recent demonstrations include two novel polymers developed by Scott ... WebApr 1, 2015 · The features shared by light-activated polymers involve light interacting with the material, which triggers photochemical reactions that alter the structure of the crosslinked polymer network. derth worm game play

Inhomogeneous Large Deformation Study on Magneto-Thermal …

WebIn this paper, we develop a three-dimensional finite-deformation modeling framework to describe the photomechanical response of light-activated polymer systems. This … WebPhoto-origami uses the dynamic control of the molecular architecture of a polymer by a combination of mechanical and non-contact optical stimuli to design and program spatially and temporally variable mechanical and optical fields into a material. The fields are essentially actuators, embedded in the material at molecular resolution, designed to … WebJul 13, 2009 · Photomechanical shape memory polymers are an exciting class of materials that are able to store a temporary shape and recover their original shape when stimulated by light. In this work we develop a model to simulate the photomechanical behavior of light-activated shape memory polymers. To the best of our knowledge this is the first … der thorax

Photomechanics of Light-Activated Shape Memory Polymers

Polymers Convert Light to Mechanical Movement - Polymer …

WebOct 1, 2009 · Photomechanics of blanket and patterned liquid crystal elastomer films @article{Dunn2009PhotomechanicsOB, title={Photomechanics of blanket and patterned liquid crystal elastomer films}, author={Martin L. Dunn and Kurt Maute}, journal={Mechanics of Materials}, year={2009}, volume={41}, pages={1083-1089} } M. Dunn, K. Maute WebA photopolymer or light-activated resin is a polymer that changes its properties when exposed to light, often in the ultraviolet or visible region of the electromagnetic spectrum. These changes are often manifested structurally, for example hardening of the material occurs as a result of cross-linking when exposed to light. An example is shown below … derti northwood nhWebThe features shared by light-activated polymers involve light interacting with the material, which triggers photochemical reactions that alter the structure of the crosslinked polymer network. Many such structural alterations result in an evolution of the polymer network, and subsequent macroscopic deformation. der toast oder das toast

"WebSep 11, 2003 · Polymer solutions and solids that contain light-sensitive molecules can undergo photo-contraction, whereby light energy is converted into mechanical energy … " - Photomechanics of light-activated polymers

Photomechanics of light-activated polymers

WebJan 1, 2008 · Photomechanical shape memory polymers are an exciting class of materials that are able to store a temporary shape and recover their original shape when stimulated … WebIn this paper, we develop a three-dimensional finite-deformation modeling framework to describe the photomechanical response of light-activated polymer systems. This …

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WebJun 22, 2024 · Lendlein A, Jiang H, Jünger O and Langer R 2005 Light-induced shape-memory polymers Nature 434 879–82. Crossref. Long K N, Scott T F, Jerry Q H, Bowman C N and Dunn M L 2009 Photomechanics of light-activated polymers J. Mech. Phys. Solids 57 1103–21. Crossref. Buckley P R, McKinley G H, Wilson T S, Small W IV, ... WebIn this paper, we model the photomechanics of light-activated, network rearranging polymers subjected to simultaneous deformation and network evolution. We then apply the model to the case of photo-induced creep behavior where a constant force is applied to the material during light irradiation. Note that photo-induced creep behavior yields

WebApr 28, 2024 · Novel photoinitiating systems operating in UV-Vis light for radical polymerization of acrylates are described, composed of squaraine as a light absorber and various diphenyliodonium (Iod) salts as co-initiators. ... Photomechanics of light-activated polymers. K. Long, T. F. Scott, H. Qi, C. Bowman, M. Dunn; Materials Science. 2009; 142. … WebJul 1, 2009 · Polymers containing cinnamic groups can be deformed and fixed into pre-determined shapes—such as elongated films and tubes, arches or spirals—by ultraviolet …

WebIn this paper, we develop a three-dimensional finite-deformation modeling framework to describe the photomechanical response of light-activated polymer systems. This …

WebProfessor Scott and the Scott Polymer Dojo gratefully acknowledge their funding sources that makes this research possible. Peer-reviewed Publications. 44. D. Ahn, ... C.N. Bowman, and M.L. Dunn, “Photomechanics of light-activated polymers,” Journal of Mechanics and Physics of Solids 57 (7), 1103-1121 (2009). DOI: 10.1016/j.jmps.2009.03.003. 16.

A photopolymer or light-activated resin is a polymer that changes its properties when exposed to light, often in the ultraviolet or visible region of the electromagnetic spectrum. These changes are often manifested structurally, for example hardening of the material occurs as a result of cross-linking when exposed to light. An example is shown below depicting a mixture of monomers, dert megeducation gov inWebApr 3, 2013 · Shape memory polymers (SMPs) are a class of smart materials that can fix a temporary shape and recover to their permanent (original) shape in response to an environmental stimulus such as heat, electricity, or irradiation, among others. ... Long K et al. 2009 Photomechanics of light-activated polymers J. Mech. Phys. Solids 57 1103–21. chrysanthemum benefits side effectsWebJul 30, 2024 · Photopolymerization is an advanced technology to trigger free radical polymerization in a liquid monomer solution through light-induced curing, during which mechanical properties of the material are significantly transformed. Widely used in additive manufacturing, parts fabricated with this technique display precisions up to the … chrysanthemum benefits spiritualWebUntitled - Free download as PDF File (.pdf), Text File (.txt) or read online for free. der to asn1WebIn this paper, we model the photomechanics of light-activated, network rearranging polymers subjected to simultaneous deformation and network evolution. We then apply … chrysanthemum birth flower meaningWebJul 1, 2009 · In this paper, we develop a three-dimensional finite-deformation modeling framework to describe the photomechanical response of light-activated polymer … der to base64WebPhotomechanics of light-activated polymers. KN Long, TF Scott, HJ Qi, CN Bowman, ML Dunn. Journal of the Mechanics and Physics of Solids 57 (7), 1103-1121, 2009. 161: 2009: Photopolymerized thiol-ene systems as shape memory polymers. ... Journal of Applied Polymer Science 93 (3), 1348-1359, 2004. 68: derth scrabble