Littérature scientifique sur le sujet « Photothermal polymerization »
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Articles de revues sur le sujet "Photothermal polymerization"
Hou, Shi-Chang, Dao-Wei Zhang, Jun Chen, Xiao-Xiao Guo, Abdul Haleem et Wei-Dong He. « Sulfonated PAM/PPy Cryogels with Lowered Evaporation Enthalpy for Highly Efficient Photothermal Water Evaporation ». Polymers 15, no 9 (28 avril 2023) : 2108. http://dx.doi.org/10.3390/polym15092108.
Texte intégralWang, Yanming, Xin Ji, Peng Pang, Yunfeng Shi, Jian Dai, Jiake Xu, Jianping Wu, Thomas Brett Kirk et Wei Xue. « Synthesis of Janus Au nanorods/polydivinylbenzene hybrid nanoparticles for chemo-photothermal therapy ». Journal of Materials Chemistry B 6, no 16 (2018) : 2481–88. http://dx.doi.org/10.1039/c8tb00233a.
Texte intégralHou, Liman, Jianyong Fang, Weiqi Wang, Zhigang Xie, Dewen Dong et Ning Zhang. « Indocyanine green-functionalized bottle brushes of poly(2-oxazoline) on cellulose nanocrystals for photothermal cancer therapy ». Journal of Materials Chemistry B 5, no 18 (2017) : 3348–54. http://dx.doi.org/10.1039/c7tb00812k.
Texte intégralHaas, Kaitlin M., et Benjamin J. Lear. « Billion-fold rate enhancement of urethane polymerization via the photothermal effect of plasmonic gold nanoparticles ». Chemical Science 6, no 11 (2015) : 6462–67. http://dx.doi.org/10.1039/c5sc02149a.
Texte intégralCi, Dazheng, Ning Wang, Yunqi Xu, Shanshan Wu, Jing Wang, Haoran Li, Shouhu Xuan et Qunling Fang. « SiO2@AuAg/PDA hybrid nanospheres with photo-thermally enhanced synergistic antibacterial and catalytic activity ». RSC Advances 14, no 7 (2024) : 4518–32. http://dx.doi.org/10.1039/d3ra07607e.
Texte intégralQian, Hongyun, Huiping Dang, Changchang Teng, Dalong Yin et Lifeng Yan. « Synthesis of pH-responsive supramolecular polypeptide nanoparticles from α-amino acids for combined chemo-photothermal therapy ». JUSTC 53, no 3 (2023) : 0305. http://dx.doi.org/10.52396/justc-2022-0154.
Texte intégralDean, Leon M., Amogha Ravindra, Allen X. Guo, Mostafa Yourdkhani et Nancy R. Sottos. « Photothermal Initiation of Frontal Polymerization Using Carbon Nanoparticles ». ACS Applied Polymer Materials 2, no 11 (24 août 2020) : 4690–96. http://dx.doi.org/10.1021/acsapm.0c00726.
Texte intégralYang, Mei, Minfang Zhang, Masao Kunioka, Ryota Yuge, Toshinari Ichihashi, Sumio Iijima et Masako Yudasaka. « Photothermal conversion of carbon nanohorns enhancing caprolactone polymerization ». Carbon 83 (mars 2015) : 15–20. http://dx.doi.org/10.1016/j.carbon.2014.11.022.
Texte intégralLi, Feng, Yaqin Song, Miao Yao, Jun Nie et Yong He. « Design and properties of novel photothermal initiators for photoinduced thermal frontal polymerization ». Polymer Chemistry 11, no 24 (2020) : 3980–86. http://dx.doi.org/10.1039/d0py00305k.
Texte intégralBhattarai, Deval Prasad, et Beom Su Kim. « NIR-Triggered Hyperthermal Effect of Polythiophene Nanoparticles Synthesized by Surfactant-Free Oxidative Polymerization Method on Colorectal Carcinoma Cells ». Cells 9, no 9 (18 septembre 2020) : 2122. http://dx.doi.org/10.3390/cells9092122.
Texte intégralThèses sur le sujet "Photothermal polymerization"
Marechal, David. « Polymérisation cationique photo-thermique de résines époxydes ». Thesis, Mulhouse, 2013. http://www.theses.fr/2013MULH8378.
Texte intégralIn the past few years, The Mäder Group has launched a new theme, " dual- cure " polymerization and process. This process is a coupling between photochemical and thermal reactivity. This theme is designed for applications where the product is thick and/or loaded with fillers. The photopolymerization is limited in depth and then the thermal process is used to complete the polymerization of the sample or in the non-irradiated areas. This theme has been the work of a first PhD (2007-2010) conducted by the student Adrien Criqui in the “Département de Photochimie Générale (DPG)”. In this PhD, the photo- and thermal radical polymerization with aldehydes was studied. Results have given birth to an innovative technology, particularly with applications under air. Therefore, it wonder if aldehydes could be used in the photo- and thermal cationic polymerization.The first year of PhD has begun with the study of the potential of aldehydes in the photo- and thermal cationic polymerization of epoxy resin. Aldehydes have shown that they are good photosensitizers of the cationic photopolymerization initiated by an iodonium salt. Some aldehydes coupled with an iodonium salt led to thermal polymerization. However rates of polymerization are too slow to be exploited. The way of aldehydes has been aborted due to these results. Despite this, this topic has been the work of a mechanistic study that led to the conclusion that the iodonium/aldehyde salt couple reacts according to a redox mechanism in which the auto-oxidation of the aldehyde is essential. The reduction of the photoinitiator by the radical derived from the auto- oxidation of the aldehyde aollow to initiate cationic polymerization.Subsequently, an extensive bibliography on the cationic polymerization of epoxides was carried out with the aim to find new initiator systems. Therefore, several systems have been selected i.e., Lewis and Brösted acids, and cationic species. Lewis acids studied gave no satisfactory results and were therefore given up. Among the Bronsted acids, sulfonic acids were selected. Mixed results were obtained. Sometimes the polymerization has been too fast and sometimes too slow. The polymerization mechanism initiated by these species does not seem suitable for epoxy resins. The synthesis of a suitable sulfonic acid was considered but for strategic reasons was later dropped. Several structures of cationic species have been also studied, both commercial species (eg: triphenylcarbenium , ... ) as well as synthesized species (eg: xanthénium ...). Work on these initiator systems convinced to use an indirect method to initiate polymerization.From this, two technologies have been studied. The first, relates to a redox pathway. A published system based on iodonium salt/copper salt/acetoïne combination has been re-evaluated. Results do not match the published mechanism. A new mechanistic has been proposed. The reaction mechanism is based on a decomposition reaction, presumably by complexation, of the iodonium salt with a copper salt. The decomposition product formed is susceptible to hydrolysis. Rates of polymerization have been accelerated the by the presence of a hydroxy compound like acetoïne. From the knowledges, ways of controlling the rate of polymerization (eg: complexing metal salt) and a new initiator system have been proposed. The second technology relates to a bi-component consisting of a photoinitiator/thermal initiator and a co- initiator. The reaction between the initiator and co-initiator allows initiating the polymerization. The polymerization rate can be controlled from the structure of initiator and co-initiator. The initiator is also a photoinitiator, the photo- and thermal nature is ensured. Two classes of co-initiators have been studied from a fundamental point of view (hydroperoxides and vinyl ether). It has been shown that hydroperoxides reduce initiator by an electron transfer. [...]
Noirbent, Guillaume. « Nouveaux systèmes d'amorçage radicalaire : la catalyse photoredox comme nouvelle stratégie pour la synthèse de polymère ». Electronic Thesis or Diss., Aix-Marseille, 2021. http://www.theses.fr/2021AIXM0359.
Texte intégralIn recent years, photopolymerization has been the subject of intense research efforts due to the constant growth of industrial applications. It is a quick process that can be performed at room temperature, solvent-free conditions and enables to get a spatial and a temporal control of the polymerization process. In recent years, the use of irradiation conditions that constitutes an alternative to the UV photopolymerization processes at the origin of numerous safety concerns are actively researched. Therefore, the development of new photoinitiating systems which absorb strongly in the visible or near infrared region are actively researched by both the academic and industrial communities. Nevertheless, even if some results are promising, the reported systems are often characterized by moderate reactivities and hardly compete with current UV systems. In this context, we have synthesized a large library of photosensitive molecules capable of absorbing light in the visible or near infrared range and capable of initiating a polymerization reaction with a photoinitiating system based on photoredox catalysis. In this manuscript, we present both the synthesis and the polymerization abilities of different families of dyes. Their photochemical properties were also studied by UV-Visible spectrometry, luminescence, photolysis, temperature monitoring and electronic paramagnetic resonance experiments. Applications such as 3D printing and laser write experiments are also presented
Lu, Yi. « Micro/nano fabrication of polymeric materials by DMD-based micro-stereolithography and photothermal imprinting ». Thesis, 2006. http://hdl.handle.net/2152/3406.
Texte intégralChapitres de livres sur le sujet "Photothermal polymerization"
Sigrist, M. W. « Photoacoustic Monitoring of Polymerization Processes ». Dans Photoacoustic and Photothermal Phenomena II, 288–90. Berlin, Heidelberg : Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-540-46972-8_71.
Texte intégralActes de conférences sur le sujet "Photothermal polymerization"
Horvat, D., B. Znoj, B. Bregar, J. Golob et J. Možina. « Optodynamic and FT-IR measurement of reaction kinetics case : Diallyl isophthalate polymerization ». Dans PHOTOACOUSTIC AND PHOTOTHERMAL PHENOMENA. ASCE, 1999. http://dx.doi.org/10.1063/1.58110.
Texte intégralNASERI, IMAN, ALIREZA MASOUMIPOUR et MOSTAFA YOURDKHANI. « RAPID MANUFACTURE OF THIN COMPOSITES VIA INFRARED-ASSISTED FRONTAL POLYMERIZATION ». Dans Proceedings for the American Society for Composites-Thirty Eighth Technical Conference. Destech Publications, Inc., 2023. http://dx.doi.org/10.12783/asc38/36556.
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