Academic literature on the topic 'Statistical copolymer'

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Journal articles on the topic "Statistical copolymer"

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Yang, Lei, Cheng Jie Hu, Hai Yang, and Dong Ming Qi. "Synthesis of Polystyrene-b-poly(n-butyl acrylate)-b-Polystyrene Triblock Copolymers as Binder for Pigment Dyeing." Advanced Materials Research 441 (January 2012): 473–77. http://dx.doi.org/10.4028/www.scientific.net/amr.441.473.

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Well-controlled polystyrene-b-poly (n-butyl acrylate)-b-polystyrene (PSt-b-PnBA-b-PSt) triblock copolymers were prepared by RAFT (reversible addition-fragmentation chain transfer) emulsion polymerization process. The mechanical properties of the triblock copolymers were investigated in comparison to the P(nBA-co-St) statistical copolymers. When the PSt content is 20%, the ultimate tensile strength of triblock copolymer is nearly six times the strength of statistical copolymer, while their modulus are all around 3.0×103 Pa. The triblock copolymer films feel smooth and non-tacky as the PSt conte
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Kotsuchibashi, Y., M. Ebara, A. S. Hoffman, R. Narain, and T. Aoyagi. "Temperature-responsive mixed core nanoparticle properties determined by the composition of statistical and block copolymers in the core." Polymer Chemistry 6, no. 10 (2015): 1693–97. http://dx.doi.org/10.1039/c4py01794c.

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Mixed core nanoparticles were prepared from self-assembled statistical and block copolymers by controlling the solution temperature. Interestingly, an equal mass of specific statistical copolymers was successfully loaded into block copolymer micelle cores.
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Pantelaiou, Michaila Akathi, Dimitrios Vagenas, and Stergios Pispas. "Poly(oligoethylene glycol methylether methacrylate-co-methyl methacrylate) Aggregates as Nanocarriers for Curcumin and Quercetin." Polymers 17, no. 5 (2025): 635. https://doi.org/10.3390/polym17050635.

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Amphiphilic statistical copolymers can be utilized for the formulation of nanocarriers for the drug delivery of insoluble substances. Oligoethylene glycol methylether methacrylate and methyl methacrylate are two biocompatible monomers that can be used for biological applications. In this work, the synthesis of linear poly(oligoethylene glycol methylether methacrylate-co-methyl methacrylate), P(OEGMA-co-MMA), and statistical copolymers via reversible addition fragmentation chain transfer (RAFT) polymerization is reported. P(OEGMA-co-MMA) copolymers with different comonomer compositions were syn
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Garcia-Rubio, L. H., and N. Ro. "Detailed copolymer characterization using ultraviolet spectroscopy." Canadian Journal of Chemistry 63, no. 1 (1985): 253–63. http://dx.doi.org/10.1139/v85-042.

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A method is demonstrated for the interpretation of the ultraviolet spectra of styrene-containing copolymers. This method is based on the use of model molecules to approximate the absorption behaviour of the known chromophores and on the statistical estimation of the average spectra of the unknown chromophores. The analysis yields directly the copolymer composition and an estimate of the background spectra which arise from the different arrangements of the styril units along the polymer chains. It is shown that reliable composition estimates are obtained for styrene – methyl methacrylate and st
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Serova, Valeriia A., Badma N. Mankaev, Milana U. Agaeva та ін. "Novel β-Benzyloxy-Substituted Copolymers of Seven-Membered Cyclic Carbonate: Ring-Opening Polymerization with L-Lactide, ε-Caprolactone and Trimethylenecarbonate". Polymers 16, № 23 (2024): 3364. https://doi.org/10.3390/polym16233364.

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To prepare novel biodegradable copolymers with functional substituents that are distributed statistically or randomly over the macromolecule chain and have improved characteristics compared to homopolymers, we conducted a series of synthetic experiments with a novel cyclic monomer, 5-(benzyloxy)-1,3-dioxepan-2-one (4). This compound was synthesized, and its homopolymer, as well as its copolymers with L-lactide, ε-caprolactone and trimethylene carbonate, were prepared in a polymerization solution with stannous octoate as the initiator. The formation of the copolymers was confirmed using NMR spe
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Ameen, Hadi Mohammed, and Rasheed Jubair Susan. "Study of Copolymerization Acrylamide with Methyl Methacrylate." International Journal of Biology and Medicine 2, no. 1 (2020): 01–09. https://doi.org/10.36811/ijbm.2020.110018.

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Copolymer of acrylamide (AM) with methyl methacrylate (MMA) was synthesized by free radical technique using dimethylsulfoxide (DMSO) as solvent and benzoyl peroxide (BPO) as initiator. The overall conversion was kept low (≤ 15% wt/wt) for all studies copolymer’s samples. The synthesized copolymers were characterized using fourier transform infrared spectroscopy (FT-IR), and their thermal properties were studied by thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). The copolymers compositions were determined by elemental analysis. The monomer reactivity ratio
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Crist, Buckley. "Thermodynamics of statistical copolymer melting." Polymer 44, no. 16 (2003): 4563–72. http://dx.doi.org/10.1016/s0032-3861(03)00331-8.

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Gikarakis, Theodoros, Ioannis Pappas, Pothiti Arvanitaki, et al. "Thermal Stability and Kinetics of Thermal Decomposition of Statistical Copolymers of N-Vinylpyrrolidone and Alkyl Methacrylates Synthesized via RAFT Polymerization." Journal of Chemistry 2021 (March 19, 2021): 1–12. http://dx.doi.org/10.1155/2021/6633052.

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The thermal stability and the kinetics of thermal decomposition of statistical copolymers of N-vinylpyrrolidone (NVP) with the alkyl methacrylates, hexyl methacrylate (HMA) and stearyl methacrylate (SMA), were studied by Thermogravimetric Analysis (TGA) and Differential Thermogravimetry (DTG). Statistical copolymers of different compositions were studied, and their thermal decomposition behavior was compared to the corresponding homopolymers. The activation energies of the thermal decomposition were calculated using the Ozawa-Flynn-Wall, the Kissinger, and the Kissinger-Akahira-Sunose methodol
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Panakkal, Vyshakh M., Dominik Havlicek, Ewa Pavlova, Klara Jirakova, Daniel Jirak, and Ondrej Sedlacek. "Single-Step Synthesis of Highly Sensitive 19F MRI Tracers by Gradient Copolymerization-Induced Self-Assembly." Biomacromolecules 25, no. 12 (2024): 7543–8068. https://doi.org/10.1021/acs.biomac.4c00915.

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Amphiphilic gradient copolymers are promising alternatives to block copolymers for self-assembled nanomaterials due to their straightforward synthesis via statistical copolymerization of monomers with different reactivities and hydrophilicity. By carefully selecting monomers, nanoparticles can be synthesized in a single step through gradient copolymerization-induced self-assembly (gPISA). We synthesized highly sensitive 19F MRI nanotracers via aqueous dispersion gPISA of hydrophilic poly(ethylene glycol) methyl ether methacrylate (PEGMA) with core-forming N,N-(2,2,2-trifluoroethyl)acrylamide (
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Lokitz, Brad S., Jonathan E. Stempka, Adam W. York, et al. "Chiroptical Properties of Homopolymers and Block Copolymers Synthesized from the Enantiomeric Monomers N-Acryloyl-L-Alanine and N-Acryloyl-D-Alanine Using Aqueous RAFT Polymerization." Australian Journal of Chemistry 59, no. 10 (2006): 749. http://dx.doi.org/10.1071/ch06264.

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Chiral homo- and block copolymers based on the enantiomeric monomers N-acryloyl-l-alanine (ALAL) and N-acryloyl-d-alanine (ADAL) were prepared directly in water using controlled reversible addition–fragmentation chain transfer (RAFT) polymerization. The polymerization of the chiral monomers proceeded in a controlled fashion producing the respective homopolymers, block copolymers, and a statistical copolymer with targeted molecular weights and narrow molecular weight distributions. The chiroptical activity of these biomimetic polymers and their analogous model compounds was investigated using c
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Dissertations / Theses on the topic "Statistical copolymer"

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Watson, Linda M. "Miscibility studies in statistical copolymer and terpolymer blends." Thesis, Heriot-Watt University, 1994. http://hdl.handle.net/10399/1393.

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Gazuz, Igor, and Jens-Uwe Sommer. "Evidence of random copolymer adsorption at fluctuating selective interfaces from Monte-Carlo simulation studies." Royal Society of Chemistry, 2014. https://tud.qucosa.de/id/qucosa%3A36400.

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We perform Monte-Carlo simulations of a binary, strongly separated mixture of A- and B-type homopolymers with some amount of random AB copolymers added. The interface is analyzed and the interface tension is calculated using the model of capillary waves. We can clearly demonstrate that random copolymers are localized at real, fluctuating interfaces between incompatible polymer species and micellization is not favored over adsorption. Our study proves that random copolymers are potential candidates for compatibilization of polymer-polymer mixtures. By simulating random copolymers in a one-compo
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Moghaddam, Maria Sabaye. "Statistical mechanics of the adsorption of copolymers." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/NQ63603.pdf.

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Lim, Florence. "Mouvements moléculaires de copolymères statistiques aux interfaces de nanoparticules de silice." Electronic Thesis or Diss., Sorbonne université, 2023. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2023SORUS286.pdf.

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Les composites à base de polymères avec des particules de silice constituent une classe importante de matériaux. Dans ces systèmes, une amélioration de certaines des propriétés mécaniques telles que le module d'élasticité par rapport à la matrice polymère pure peut se produire. La dynamique des chaînes polymères aux interfaces avec les particules inorganiques est l'un des mécanismes responsables de ce renfort comme le montrent des travaux récents sur les nanocomposites à base d'homopolymères [1]. Bien que les copolymères statistiques soient de bons candidats comme agents compatibilisants, il n
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Uan-Zo-li, Julie Tammy. "Morphology, Crystallization and Melting Behavior of Propylene-Ethylene Statistical Copolymers." Diss., Virginia Tech, 2005. http://hdl.handle.net/10919/29143.

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In this work the morphology, crystallization and melting behavior of novel Dow Chemical propylene-ethylene copolymers were investigated. The incorporation of ethylene units into a polypropylene chain resulted in the decrease in crystallization, melting and glass transition temperatures and overall crystallinity. Based on the shape of heat capacity curves and the dependence of the melting temperature offset on ethylene content, it was concluded that copolymers prepared using different catalyst systems exhibited different ethylene sequence length distributions. The behavior of Dow Chemical pro
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Yang, Yiming. "Tough Stretchable Physically-Crosslinked Hydrogel Fiber Mats from Electrospun Statistical Copolymers." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1473179327.

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Pisipati, Padmapriya. "Synthesis and Characterization of Solution and Melt Processible Poly(acrylonitrile-co-methylacrylate) statistical copolymers." Diss., Virginia Tech, 2015. http://hdl.handle.net/10919/73150.

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Polyacrylonitrile (PAN) and its copolymers are used in a wide variety of applications ranging from textiles to purification membranes, packaging material and carbon fiber precursors. High performance polyacrylonitrile copolymer fiber is the most dominant precursor for carbon fibers. Synthesis of very high molecular weight poly(acrylonitrile-co-methyl acrylate) copolymers with weight average molecular weights of at least 1.7 million g/mole were synthesized on a laboratory scale using low temperature, emulsion copolymerization in a closed pressure reactor. Single filaments were spun via hybrid
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Kumar, Amit. "Morphology, Crystallization and Melting Behavior of Statistical Copolymers of Propylene with Ethylene, 1-Butene, 1-Hexene and 1-Octene." Thesis, Virginia Tech, 2001. http://hdl.handle.net/10919/33563.

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In this thesis, the morphology, crystallization and melting behavior of polypropylene copolymers (propylene/ethylene, propylene/1-butene, propylene/1-hexene and propylene/1-octene) has been examined. The multiple melting behavior has been correlated with the presence of alpha and gamma phases and with the occurrence of cross-hatching morphology. The Crystallization and melting behavior of propylene/ethylene and propylne/1-butene are qualitatively similar and compatible with the expectations that the ethylene and butene comonomers are partly included in the propylene lattice. Propylene/1-hexen
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Twum, Eric Barimah. "Multidimensional NMR Characterization of Polyvinylidene Fluoride (PVDF) and VDF-Based Copolymers and Terpolymers." University of Akron / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=akron1367267597.

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Bier, Frédéric. "Conception et synthèse d’une matrice polymère thermoplastique pour l’obtention de matériaux composites recyclables, résistants au feu et utilisables dans l’industrie." Thesis, Université de Lorraine, 2018. http://www.theses.fr/2018LORR0040.

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De nouvelles matrices thermoplastiques à base de poly(méthacrylate de méthyle) (PMMA) pouvant entrer dans la composition de matériaux composites ont été synthétisées et caractérisées du point de vue de leur température de transition vitreuse (par calorimétrie différentielle à balayage) et de leur dégradation thermique (par analyse thermogravimétrique et par microcalorimétrie). La stratégie suivie était d’incorporer dans les chaînes de PMMA des unités de répétition comportant un groupement latéral phosphoré retardateur de flamme via une copolymérisation radicalaire du MMA avec un monomère phosp
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Books on the topic "Statistical copolymer"

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Davis, Kelly A. Statistical, gradient, and segmented copolymers by controlled/living radical polymerizations. Springer, 2002.

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Matyjaszewski, Krzysztof, and Kelly A. Davis. Statistical, Gradient, Block and Graft Copolymers by Controlled/Living Radical Polymerizations. Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/3-540-45806-9.

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Ashton, Robin Charles. Synthesis of [alpha],[omega]-telechelic oligomers by the ozonolysis of styrene/diene, maleimide/diene and maleimide/acetylene statistical copolymers. University of Manchester, 1996.

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Moghaddam, Maria Sabaye. Statistical mechanics of the adsorption of copolymers. 2001.

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Davis, Kelly A. Statistical, Gradient, Block and Graft Copolymers by Controlled/Living Radical Polymerizations. Springer, 2012.

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Davis, Kelly A., and Krzysztof Matyjaszewski. Statistical, Gradient, Block and Graft Copolymers by Controlled/Living Radical Polymerizations. Springer London, Limited, 2006.

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Harkless, Curtis Ray. An X-ray scattering study of ordering in block copolymers. 1990.

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Book chapters on the topic "Statistical copolymer"

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Herbert, I. R. "Statistical analysis of copolymer sequence distribution." In NMR Spectroscopy of Polymers. Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-2150-7_2.

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Owen, Allen G., Hao Su, Angelique Montgomery, Robert Douglas, and Subhadra Gupta. "A Statistical Optimization of Co/Pd Multilayers Patterned via Block Copolymer Lithography." In TMS2015 Supplemental Proceedings. John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119093466.ch38.

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Owen, Allen G., Hao Su, Angelique Montgomery, Robert Douglas, and Subhadra Gupta. "A Statistical Optimization of Co/Pd Multilayers Patterned via Block Copolymer Lithography." In TMS 2015 144th Annual Meeting & Exhibition. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-48127-2_38.

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Mishra, Munmaya, and Biao Duan. "Statistical Copolymers." In The Essential Handbook of Polymer Terms and Attributes. CRC Press, 2024. http://dx.doi.org/10.1201/9781003161318-211.

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Kahramanov, N. T., N. B. Arzumanova, I. V. Bayramova, and J. N. Gahramanly. "Structure and Properties of Polymer Composites Based on Statistical Ethylene-Propylene Copolymer and Mineral Fillers." In Composite Materials for Industry, Electronics, and the Environment. Apple Academic Press, 2019. http://dx.doi.org/10.1201/9780429457937-3.

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Kahramanov, N. T., N. B. Arzumanova, I. V. Bayramova, and J. N. Gahramanly. "Structure and Properties of Polymer Composites Based on Statistical Ethylene-Propylene Copolymer and Mineral Fillers." In Science and Technology of Polymers and Advanced Materials. Apple Academic Press, 2019. http://dx.doi.org/10.1201/9780429425301-4.

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Hu, Wenbing, Vincent B. F. Mathot, Rufina G. Alamo, Huanhuan Gao, and Xuejian Chen. "Crystallization of Statistical Copolymers." In Polymer Crystallization I. Springer International Publishing, 2016. http://dx.doi.org/10.1007/12_2016_349.

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Klumperman, Bert. "Statistical, Alternating and Gradient Copolymers." In Macromolecular Engineering. Wiley-VCH Verlag GmbH & Co. KGaA, 2011. http://dx.doi.org/10.1002/9783527631421.ch19.

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Wanner, Thomas. "Topological Analysis of the Diblock Copolymer Equation." In Springer Proceedings in Mathematics & Statistics. Springer Japan, 2016. http://dx.doi.org/10.1007/978-4-431-56104-0_2.

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Van der Haegen, R. "Liquid-Liquid Phase Separation in Mixtures of Statistical Copolymers." In Integration of Fundamental Polymer Science and Technology. Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4185-4_7.

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Conference papers on the topic "Statistical copolymer"

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Kodama, Hiroya. "Mean-field studies of block copolymer/homopolymers blends." In Third tohwa university international conference on statistical physics. AIP, 2000. http://dx.doi.org/10.1063/1.1291561.

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Gathman, Tyler, Jamee Schoephoerster, Ranveer Vasdev, Stephanie Liffland, and Derek Batiste. "Evaluation of Sustainable P4MCL/PLLA Block Copolymers as PVC Replacement in Medical Plastics." In 2022 Design of Medical Devices Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/dmd2022-1051.

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Abstract Aliphatic polyesters are potential sustainable alternatives to PVC for use in medical devices, such as IV bags. Our candidate replacement of PVC-based IV bags use P4MCL, a sustainable polymer with demonstrated uses in mechanically robust materials. The goal of our project was to compare the mechanical and biocompatibility characteristics of P4MCL/PLLA star block copolymer TPEs with commercial PVC-based IV bags. P4MCL/PLLA TPEs were synthesized according to previously reported methods. Uniaxial tensile testing was conducted pre- and post-autoclave. Impact and tear resistance testing wa
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Aksimentiev, Aleksij. "Phase behavior of gradient copolymers." In Third tohwa university international conference on statistical physics. AIP, 2000. http://dx.doi.org/10.1063/1.1291523.

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Schabas, Greg, Matthew G. Moffitt, and David Sinton. "Microfluidic Assembly of Quantum Dot Micelles." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-42300.

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The controlled self-assembly of polymer-stabilized CdS quantum dot nanoparticles into quantum dot compound micelles (QDCMs) using microfluidics is demonstrated. In a flow-focusing configuration, water is introduced to a blend solution of block copolymer-stabilized quantum dots with amphiphilic block copolymer stabilizing chains. QDCM assembly via initial phase separation and subsequent agglomeration continue until a downstream quench step. Control over mean particle size and size distribution characteristics is demonstrated via both inlet concentrations and flow rate. The QDCMs assembled throu
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Zhang, Jin Z., Melissa A. Kreger, Gerrit Klaerner, M. Kreyenschmidt, Robert D. Miller, and J. Campbell Scott. "Femtosecond study of exciton dynamics in polyfluorene statistical copolymers in solutions and thin films." In Optical Science, Engineering and Instrumentation '97, edited by Z. Valy Vardeny and Lewis J. Rothberg. SPIE, 1997. http://dx.doi.org/10.1117/12.284150.

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