Photomechanics of light-activated polymers
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 … 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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WebMay 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 … 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 ...
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 … 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 …
WebThe objectives of this dissertation research are to study the photomechanics of polymers including light activated polymer and two stage reactive polymer, and explore their … WebUntitled - Free download as PDF File (.pdf), Text File (.txt) or read online for free.
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 ...
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, cycloplegic mechanism of actionWebJul 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 … cyclophyllidean tapewormsWebFeb 1, 2024 · Several photomechanical models have been built up to study the photomechanical behavior of light-activated polymer systems [47], [48]. The surface deformation of nematic elastomers, containing azobenzene chromophores, under the spot as well as striped illumination has been simulated in [49], [50]. ... Photomechanics of light … cycloplegic refraction slideshareWebPhotomechanics 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 ... cyclophyllum coprosmoidesWebApr 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. cyclopiteWebIn this paper, we develop a three-dimensional finite-deformation modeling framework to describe the photomechanical response of light-activated polymer systems. This … cyclop junctionsWebThe 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. cycloplegic mydriatics