Photomechanics of light-activated polymers

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August undefined, 2024

WebUntitled - Free download as PDF File (.pdf), Text File (.txt) or read online for free. 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 …

Photo-origami—Bending and folding polymers with light

WebThe 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. WebJul 1, 2014 · Photomechanics of light-activated polymers. J Mech Phys Solids (2009) Y.C. Chen et al. A constitutive theory for shape memory polymers. Part I. Large deformations ... Current study provides a comprehensive review of the advances in experimental and numerical investigations on light activated shape memory polymers and composites. … gb50310

Photomechanics of Light-Activated Shape Memory Polymers

WebApr 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. WebIn this paper, we develop a three-dimensional finite-deformation modeling framework to describe the photomechanical response of light-activated polymer systems. This … gb50236

Photomechanics of light-activated polymers - ScienceDirect

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 ... WebSep 13, 2024 · This paper studies a novel method to fabricate three-dimensional (3D) structure from 2D thermo-responsive shape memory polymer (SMP)/elastomer bilayer … gb50209A 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, auton loppuvelan lunastus

"WebBrazel, C. S. [2009] “ Magnetothermally-responsive nanomaterials: Combining magnetic nanostructures and thermally-sensitive polymers for triggered drug release,” Pharmaceutical Research 26(3), 644–656. Crossref, ISI, Google Scholar " - Photomechanics of light-activated polymers

Photomechanics of light-activated polymers

WebIn this paper, we develop a three-dimensional finite-deformation modeling framework to describe the photomechanical response of light-activated polymer systems. This … WebJul 1, 2009 · In this paper, we develop a three-dimensional finite-deformation modeling framework to describe the photomechanical response of light-activated polymer …

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WebPhotomechanics of light-activated polymers, 2009 Read his paper Approaches and challenges in the synthesis of three-dimensional covalent-organic frameworks. Visit his University profile. View his ResearchGate profile and Google Scholar profile. Member of. Chemistry Board ... 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 …

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. … 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

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

WebPhotomechanical 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 … auton lohkolämmitysWebMay 9, 2016 · Recently, triple shape memory polymers (TSMPs) have been discovered; these materials can be programmed to switch between three distinct shapes. Previously, we introduced a model to describe the mechanical behavior of TSMPs; however, the earlier study was limited in scope to simple cases of uniaxial deformation. In this work, we build … auton luontoisetuWebNov 14, 2013 · Now researchers have combined the photo-responsive properties of azobenzene-functionalized polymers, which undergo light-induced isomerization with … gb50303 2015WebMar 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 ... auton lunastushintaWebIn this paper, we develop a three-dimensional finite-deformation modeling framework to describe the photomechanical response of light-activated polymer systems. This … gb50311_2016WebJun 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, ... auton lukon korjausWebthe development of a generalized modeling framework to describe the photomechanics. The features shared by light-activated polymers involve light interacting with the material, … gb50315