Photomechanics of light-activated polymers

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

Inhomogeneous Large Deformation Study on Magneto-Thermal …

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 … Shape-memory polymers are an emerging class of polymers with applications … Recently, light-activated polymers have been developed that exhibit large … The variation of the critical free volumes for propagation and termination, using the … In Section 3, we introduce spatial- and ensemble-averages in order to define the … Calculations were carried out with T ∗ /τ T =0.25 and T ∗∗ /τ T =0.75. Fig. 6 shows … 1.. IntroductionThermally activated shape memory polymers (SMP) are an … ontario health action plan https://internet-strategies-llc.com

Photopolymer - Wikipedia

WebJul 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 … WebSep 16, 2024 · Select polymers can be produced via a process called free radical polymerization, in which a monomer solution is exposed to ultraviolet (UV) light. The high … WebNov 14, 2013 · Now researchers have combined the photo-responsive properties of azobenzene-functionalized polymers, which undergo light-induced isomerization with … ion bods

Polymers Convert Light to Mechanical Movement - Polymer …

Category:Timothy SCOTT University of Michigan, Ann Arbor U-M

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Photomechanics of light-activated polymers

Modeling the strain rate-, hold time-, and temperature-dependent …

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 ... 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

Photomechanics of light-activated polymers

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

Webthe development of a generalized modeling framework to describe the photomechanics. The features shared by light-activated polymers involve light interacting with the material, …

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

WebMar 1, 2024 · The self-healing process is considered as a coupled behavior that polymer chains diffuse across the interface and re-form the dynamic bonds assisted by the free radicals. We theoretically relate the light property to the interfacial self-healing strength of the polymers. We predict that the interfacial self-healing strength of the polymer ...

WebPhotomechanics 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: ontario hazardous waste facilityWebPhoto-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 … ontario health 5 point planWebThe objectives of this dissertation research are to study the photomechanics of polymers including light activated polymer and two stage reactive polymer, and explore their … ontario health abpWebJul 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 … ontario headstone searchWebIn this paper, we develop a three-dimensional finite-deformation modeling framework to describe the photomechanical response of light-activated polymer systems. This … ontario health about usWebMay 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 … ontario health account for vaccine checkWebApr 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. … ontario hawks images