Academic literature on the topic 'Cationic epoxy'

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Journal articles on the topic "Cationic epoxy"

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Bednarczyk, Paulina, Karolina Mozelewska, Małgorzata Nowak, and Zbigniew Czech. "Photocurable Epoxy Acrylate Coatings Preparation by Dual Cationic and Radical Photocrosslinking." Materials 14, no. 15 (2021): 4150. http://dx.doi.org/10.3390/ma14154150.

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In this work, epoxy acrylate resin (EA) based on the industrial-grade bisphenol A-based epoxy resin (Ep6) and acrylic acid (AA) has been synthesized in order to develop hybrid resin comprising both epoxide group and reactive, terminal unsaturation. Obtained epoxy acrylate prepolymer was employed to formulate photocurable coating compositions containing, besides the EA binder, also cationic or radical photoinitiators. Hence, when cationic photoinitiators were applied, polyether-type polymer chains with pending acrylate groups were formed. In the case of free radical polymerization, epoxy acryla
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Walker, Frederick H., John B. Dickenson, Charles R. Hegedus, and Frank R. Pepe. "Cationic polymerization of emulsified epoxy resins." Progress in Organic Coatings 45, no. 2-3 (2002): 291–303. http://dx.doi.org/10.1016/s0300-9440(02)00107-8.

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Scognamillo, Sergio, Chris Bounds, Michael Luger, Alberto Mariani, and John A. Pojman. "Frontal cationic curing of epoxy resins." Journal of Polymer Science Part A: Polymer Chemistry 48, no. 9 (2010): 2000–2005. http://dx.doi.org/10.1002/pola.23967.

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Angelopoulos, Anastasios P., Jay B. Benziger, and Sheldon P. Wesson. "Cationic Polyacrylamide Adsorption on Epoxy Surfaces." Journal of Colloid and Interface Science 185, no. 1 (1997): 147–56. http://dx.doi.org/10.1006/jcis.1996.4573.

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Zhang, Li Juan, Chen Bo Wu, Fei Yang, Xiao Yi Geng, Meng Qian Li, and Ji Jun Xiao. "Preparation and Characterization of UV Curable Hybrid System Based on Free Radical and Cationic Mechanism." Applied Mechanics and Materials 470 (December 2013): 141–45. http://dx.doi.org/10.4028/www.scientific.net/amm.470.141.

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A UV curable hybrid system with a dual mechanism of radical and cationic photo-polymerization, was investigated. A kind of free radical oligomer with low viscosity named hexahydrophthalic acid diglycidyl acrylate was first synthesized. The structure of the oligomer was characterization by FTIR. The UV curing processing of hybrid system was traced by real-time FTIR, and compared with free radical, cationic system. Thermal decomposition temperature and glass transition temperature of UV curing film for various system were determined by thermogravimetric analysis (TGA) and differental scanning ca
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Ratcliffe, L. P. D., K. J. Bentley, R. Wehr, N. J. Warren, B. R. Saunders, and S. P. Armes. "Cationic disulfide-functionalized worm gels." Polymer Chemistry 8, no. 38 (2017): 5962–71. http://dx.doi.org/10.1039/c7py01306j.

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Miao, Zong Cheng, Fang Wang, Deng Deng, Lei Wang, and Jian Zhou Yang. "Synthesis of Quaternary Ammonium Salt Cationic Surfactant with Long-Chain Alkyl and Epoxy Groups." Advanced Materials Research 554-556 (July 2012): 864–67. http://dx.doi.org/10.4028/www.scientific.net/amr.554-556.864.

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The quaternary ammonium salt cationic surfactant with long-chain alkyl and epoxy groups is very important intermediate product to synthesis novel functional surfactants. In this paper, a kind of quaternary ammonium salt cationic surfactant with long-chain alkyl and epoxy groups was synthesized by traditional method with epichlorohydrin and N-octadecyldimethylamine as raw materials. During the synthesis, the best reaction conditions have been obtained, that the reaction temperature is 35 °C, the reaction time is 4 h and the best mol ratio of epichlorohydrin to timethylamine is 5:1. In addition,
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Noè, Camilla, Minna Hakkarainen, and Marco Sangermano. "Cationic UV-Curing of Epoxidized Biobased Resins." Polymers 13, no. 1 (2020): 89. http://dx.doi.org/10.3390/polym13010089.

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Epoxy resins are among the most important building blocks for fabrication of thermosets for many different applications thanks to their superior thermo-mechanical properties and chemical resistance. The recent concerns on the environmental problems and the progressive depletion of petroleum feedstocks have drawn the research interest in finding biobased alternatives. Many curing techniques can be used to obtain the final crosslinked thermoset networks. The UV-curing technology can be considered the most environmentally friendly because of the absence of volatile organic compound (VOC) emission
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Su, Haojia, Zhengchun Cai, Zhengwei lv, Yongkang Chen, and Yongxin Ji. "Synthesis of water-based cationic polyacrylate copolymer emulsion by RAFT polymerization and its application as an inkjet printing agent." Pigment & Resin Technology 49, no. 5 (2020): 401–8. http://dx.doi.org/10.1108/prt-04-2020-0029.

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Purpose In this work, the authors used reversible addition-fragmentation transfer (RAFT) polymerization to develop a new cationic acrylate modified epoxy resin emulsion for water-borne inkjet which have the advantages of both polyacrylate and epoxy resin. The emulsion was successfully used in the canvas coating for inkjet printing. This paper aims to contribute to the development of novel cationic emulsions for inkjet printing industry. Design/methodology/approach In this work, the epoxy acrylate was synthesized from RAFT agent and epoxy resin firstly. Cationic macromolecular emulsifier was pr
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Crivello, James V., and Saoshi Liu. "Photoinitiated cationic polymerization of epoxy alcohol monomers." Journal of Polymer Science Part A: Polymer Chemistry 38, no. 3 (2000): 389–401. http://dx.doi.org/10.1002/(sici)1099-0518(20000201)38:3<389::aid-pola1>3.0.co;2-g.

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Dissertations / Theses on the topic "Cationic epoxy"

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Matuszczak, Stephen. "An investigation of the photoinitiated cationic cross-linking polymerization of some epoxy resins." Thesis, Durham University, 1987. http://etheses.dur.ac.uk/6705/.

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As well as dealing with general topics pertinent to the project, the first chapter gives the aims of the project and reviews the theories of network formation. Particular attention is paid to the occurrence of inhomogeneous cross-linking in nonlinear chain-growth polymerizations. The second chapter reviews an important aspect of photoinitiated polymerizations, namely the photochemistry of the photoinitiator used, in this case diphenyliodonium hexafluorophosphate. The preparation and characterization of the photoinitiator and the characterization of the commercial monomers are given in chapter
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Al-Obaidani, Ammar. "Development of a photocuring system for cationic epoxy formulations using side emitting optical fibres." Thesis, University of Nottingham, 2009. http://eprints.nottingham.ac.uk/10864/.

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Photocuring of polymers and polymer composites, from epoxy resin based formulations, has been of growing interest over the past two decades. The photocuring occurs when an epoxy formulation is exposed to electromagnetic radiation, usually ultraviolet (UV) radiation. This process has been explored widely and it can be described as an open mould process by which the epoxy formulation is exposed directly to the radiation. However, for a closed mould process, thermal curing, rather than radiation curing, typically is employed. The potential of using photocuring for a closed mould process has not y
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Lee, Jihean Palmese Giuseppe R. "Cationic polymerization of glycidyl ethers and furans : improved electron beam and UV cured epoxy networks /." Philadelphia, Pa. : Drexel University, 2007. http://hdl.handle.net/1860/2538.

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Higgins, Bernadette Ann. "Carbon Nanofiber-Polymer Composites for Electronic Applications." University of Akron / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=akron1143655787.

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Bigand, Virginie. "Modifications chimiques des hémicelluloses pour une application papetière." Thesis, Lyon 1, 2011. http://www.theses.fr/2011LYO10213.

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Dans les procédés classiques d'extraction de la cellulose pour la fabrication de la pâte à papier à partir de bois, les hémicelluloses sont dégradées et sont brûlées pour alimenter l'usine en énergie. En incluant une étape préalable d'extraction de ces polysaccharides, ils pourraient alors être réintroduits en aval du procédé, après cationisation, en tant qu'agent de renfort dans la pâte à papier. Dans ce travail, la cationisation de deux hémicelluloses modèles commerciales de type galactomannane et xylane a été effectuée par éthérification avec un époxyde cationique en solution aqueuse basiqu
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Vidil, Thomas. "Contrôle du procédé d'élaboration et des propriétés d'un matériau époxy via la chimie supramoléculaire." Thesis, Paris 6, 2015. http://www.theses.fr/2015PA066142.

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Contrôler la gélification des résines époxy est un enjeu majeur de la chimie des matériaux thermodurcissables. Dans cette étude, nous décrivons une méthode de contrôle du temps de gel (tgel) et de la conversion au point de gel (xgel) dans le cas de la polymérisation cationique de résines époxy commerciales. Pour ce faire, des additifs hydroxylés sont utilisés comme agents de transfert afin de contrôler xgel. Parallèlement, des additifs de type oligo-oxyéthylène permettent de contrôler tgel en complexant les amorceurs de la polymérisation (cations aniliniums). La combinaison de ces deux leviers
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Butzloff, Peter Robert. "Charge Interaction Effects in Epoxy with Cation Exchanged Montmorillonite Clay and Carbon Nanotubes." Thesis, University of North Texas, 2005. https://digital.library.unt.edu/ark:/67531/metadc4786/.

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The influence of charge heterogeneity in nanoparticles such as montmorillonite layered silicates (MLS) and hybrid systems of MLS + carbon nanotubes was investigated in cured and uncured epoxy. Epoxy nanocomposites made with cation-exchanged montmorillonite clay were found to form agglomerates near a critical concentration. Using differential scanning calorimetry it was determined that the mixing temperature of the epoxy + MLS mixture prior to the addition of the curing agent critically influenced the formation of the agglomerate. Cured epoxy samples showed evidence of the agglomerate being res
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Devaux, Ophélie. "Analysis and optimization of mixed-mode conical adhesively bonded joints under thermo-mechanical loadings." Thesis, Brest, 2015. http://www.theses.fr/2015BRES0048/document.

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Dans I'industrie spatiale, I'optimisation des structures composites du point de vue cycles de fabrication, gain de masse et amélioration des performances passe aujourd'hui par I'introduction de jonctions collées en remplacement/complément de liaisons boulonnées ou rivetées. Les lanceurs sont des structures complexes qui nécessitent de prendre en compte les contraintes liées à la fabrication de structures de grandes tailles, I'influence des conditions de transport et de stockage, ainsi que les différents spectres de chargements thermo-mécaniques rencontrés au cours de la phase de lancement. Le
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Chen, Jen-Wei, and 陳正威. "Synthesis and Electrodeposition Properties of Cationic Epoxy Resin." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/46869493233856516121.

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HOU, JUN-HUI, and 侯俊輝. "Syntheses and applications of modified cationic epoxy resins." Thesis, 1990. http://ndltd.ncl.edu.tw/handle/98762675496598932208.

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碩士<br>大同工學院<br>化學工程研究所<br>78<br>(A) 本篇合成一系水溶性陽離子樹脂,由二乙基胺與環氧樹脂反應生成三級胺末端之 樹脂後,側鏈接上交鏈基2-乙基乙醇杜塞 TDI/二乙基胺乙醇杜塞 TDI而成。這些樹 脂其側鏈中醇基與半杜塞-TDI之莫耳比為1:1,改變及側鏈中三級胺之相對量,探討 其樹脂性質與電著性質,由實驗結果發現,側鏈交鏈基所含之三級胺基之比率改變時 ,對樹脂電著液之諸多性質影響頗大。三級胺基比值提高時,其乳化液之PH亦愈高, 且皮膜之交鏈性在低溫時亦愈高。樹脂乳化液之導電性,電著滲透力會隨三級胺基量 之增加而增加,但電著速率和電著量則隨三級胺基量之增加而減少,當樹脂之側鏈三 級胺占總側鏈之20∼60% 時,該樹脂電著膜之物理化學性質適合實用規格。 (B) 本篇合成之自我交鏈型環氧樹脂是由苯甲胺與環氧樹脂反應成苯甲胺改質環氧樹 脂,再以二級胺開環得到環氧樹脂—加成體,然後與2-EH-TDI之 TDI半保護交鏈體反 應而得。其特點是由苯甲胺衍生之三級胺會增
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Book chapters on the topic "Cationic epoxy"

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Sangermano, Marco, Stephen N. Falling, and James V. Crivello. "The Photoinitiated Cationic Polymerization of 3,4-Epoxy-1-butene." In ACS Symposium Series. American Chemical Society, 2003. http://dx.doi.org/10.1021/bk-2003-0847.ch023.

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Olsson, R. T., H. E. Bair, V. Kuck, and A. Hale. "Thermomechanical Studies of Photoinitiated Cationic Polymerization of a Cycloaliphatic Epoxy Resin." In ACS Symposium Series. American Chemical Society, 2003. http://dx.doi.org/10.1021/bk-2003-0847.ch028.

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Yang, Zheqin, Jananee Narayanan, Matthew Ravalli, Brittany T. Rupp, and Chang Y. Ryu. "Structure-Property Relationships of Epoxy Thermoset Networks from Photoinitiated Cationic Polymerization of Epoxidized Vegetable Oils." In Sustainable Polymers from Biomass. Wiley-VCH Verlag GmbH & Co. KGaA, 2017. http://dx.doi.org/10.1002/9783527340200.ch9.

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Park, Soo Jin, Su Ja Seok, and Byung Gak Min. "Thermal and Mechanical Properties of Epoxy/Polyurethane Blend System Initiated by Cationic Latent Thermal Catalyst." In Solid State Phenomena. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/3-908451-27-2.215.

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"Solid State NMR Investigation of Cationic Polymerized Epoxy Resins." In Handbook of Advanced Materials Testing. CRC Press, 1994. http://dx.doi.org/10.1201/9781482277616-41.

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Conference papers on the topic "Cationic epoxy"

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Chia, N. K., and F. Y. C. Boey. "LOW ENERGY ELECTRON BEAM RADIATION CATIONIC POLYMERIZATION OF A CYCLOALIPHATIC EPOXY." In Processing and Fabrication of Advanced Materials VIII. WORLD SCIENTIFIC, 2001. http://dx.doi.org/10.1142/9789812811431_0113.

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"PREPARATION AND PROPERTIES OF SELF-EMULSIFIED CATIONIC WATERBORNE EPOXY RESIN MODIFIED SIZING AGENT." In International Conference on New Materials and Intelligent Manufacturing (ICNMIM). Volkson Press, 2018. http://dx.doi.org/10.26480/icnmim.01.2018.167.169.

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Voigt, Anja, Gisela Ahrens, Marina Heinrich, Andrew Thompson, and Gabi Gruetzner. "Improved adhesion of novolac and epoxy based resists by cationic organic materials on critical substrates for high volume patterning applications." In SPIE Advanced Lithography, edited by Thomas I. Wallow and Christoph K. Hohle. SPIE, 2014. http://dx.doi.org/10.1117/12.2046258.

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