Academic literature on the topic 'Polyurethanes. Polyurethanes Polyurethanes'

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Journal articles on the topic "Polyurethanes. Polyurethanes Polyurethanes"

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Zych, Krzysztof, Robert Pełech, and Zbigniew Czech. "Thermal degradation of poly(alkyl methacrylates) and polyurethane pressure-sensitive adhesives." Polish Journal of Chemical Technology 12, no. 4 (2010): 40–43. http://dx.doi.org/10.2478/v10026-010-0048-4.

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Thermal degradation of poly(alkyl methacrylates) and polyurethane pressure-sensitive adhesives Gas chromatography, coupled with the temperature controlled pyrolysis technique, can be used as a quick method of identification of polymers such as acrylates, methacrylates and polyurethanes. Polymers based on alkyl methacrylates are widely used as construction materials and coatings. Polyurethanes are widely used as self-adhesives, sealants and electrical products (due to polyurethane's low glass transition temperature Tg). The aim of this work is to investigate which products can be obtained from
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Zagożdżon, Izabela, Paulina Parcheta, and Janusz Datta. "Novel Cast Polyurethanes Obtained by Using Reactive Phosphorus-Containing Polyol: Synthesis, Thermal Analysis and Combustion Behaviors." Materials 14, no. 11 (2021): 2699. http://dx.doi.org/10.3390/ma14112699.

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Phosphorus-containing polyol applications in polyurethane synthesis can prevent volatilization of flame retardants and their migration on the surface of a material. In this work, novel cast polyurethanes were prepared by a one-step method with the use of different amounts of phosphorus-containing polyol, 4,4′–diphenylmethane diisocyanate and 1,4-butanediol. The chemical structure, thermal, physicochemical and mechanical properties and flame resistance of the prepared materials were investigated. The results obtained for cast flame-retarded polyurethanes were compared with cast polyurethane syn
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Nakajima-Kambe, T., Y. Shigeno-Akutsu, N. Nomura, F. Onuma, and T. Nakahara. "Microbial degradation of polyurethane, polyester polyurethanes and polyether polyurethanes." Applied Microbiology and Biotechnology 51, no. 2 (1999): 134–40. http://dx.doi.org/10.1007/s002530051373.

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Schmidt and Eschig. "Hydrophobilization of Furan-Containing Polyurethanes via Diels–Alder Reaction with Fatty Maleimides." Polymers 11, no. 8 (2019): 1274. http://dx.doi.org/10.3390/polym11081274.

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We describe new hydrophobic functionalized linear polyurethane resins by combining N-alkyl maleimides via the Diels–Alder reaction with linear furan-modified polyurethanes. This procedure provides the opportunity for the post-polymerization-functionalizing of polyurethanes. Access to furan-bearing polyurethanes is achieved via the reaction of a furan-containing diol, polyethylenglycol (PEG), and different diisocyanates. The furan-containing diol is obtained from the reaction of furfurylamine and two equivalents of hydroxyalkyl acrylate. The resulting furan-bearing polyurethanes are reacted wit
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Carbonell-Blasco, Pilar, Iulian Antoniac, and Jose Miguel Martin-Martinez. "New Polyurethane Sealants Containing Rosin for Non-Invasive Disc Regeneration Surgery." Key Engineering Materials 583 (September 2013): 67–79. http://dx.doi.org/10.4028/www.scientific.net/kem.583.67.

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Different polyurethane sealants were prepared by reacting methylene dyísocyanate and polyadipate of 1,4 butane diol (Mw : 2500 daltons) by using the prepolymer method and different mixtures of rosin and 1,4 butane diol were used as chain extenders. The polyurethanes were characterized by plate-plate rheology, molecular weight distribution, Differential Scanning Calorimetry (DSC), and Laser Confocal Microscopy. The tack of the polyurethanes sealants was obtained by using a modified probe tack method, and their adhesion was obtained by T-peel test of leather/polyurethane sealant/leather joints a
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Domańska, Agata, Anna Boczkowska, Marta Izydorzak-Woźniak, Zbigniew Jaegermann, and Małgorzata Grądzka-Dahlke. "Polyurethanes from the crystalline prepolymers resistant to abrasive wear." Polish Journal of Chemical Technology 16, no. 4 (2014): 14–20. http://dx.doi.org/10.2478/pjct-2014-0063.

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Abstract The research aimed at the selection of polyurethanes synthesized from poly(tetramethylene ether) glycol (PTMEG), as well as from two different isocyanates 4,4′-methylenebis(cyclohexyl)isocyanate (HMDI) and 4.4′-methylenebis(phenyl isocyanate) (MDI) in order to obtain polyurethane with increased resistance to abrasive wear and degradation for bio-medical application. Polyurethanes were fabricated from crystalline prepolymers extended by water. The paper presents preliminary results on polyurethane surface wettability, friction coefficient for different couples of the co-working materia
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Jayakumar, R., S. Nanjundan, and M. Prabaharan. "Developments in Metal‐Containing Polyurethanes, Co‐polyurethanes and Polyurethane Ionomers." Journal of Macromolecular Science, Part C: Polymer Reviews 45, no. 3 (2005): 231–61. http://dx.doi.org/10.1081/mc-200067721.

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Domańska, Agata, Anna Boczkowska, Marta Izydorzak, Zbigniew Jaegermann, and Krzysztof Kurzydłowski. "Polyurethanes used in the endoprosthesis of joints." Polish Journal of Chemical Technology 12, no. 3 (2010): 10–14. http://dx.doi.org/10.2478/v10026-010-0025-y.

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Polyurethanes used in the endoprosthesis of joints The aim of the studies presented in this paper was the selection of the polyurethanes synthesized from different substrates in order to obtain i) ceramic - biodegradable polymer composite and ii) polyurethane resistant to abrasive wear. The polyurethanes were obtained from the crystalline prepolymers extended by water, because it may have a beneficial effect on the toxicity of the material. The properties of PUs were investigated using infrared spectroscopy, thermogravimetry, differential scanning calorimetry and scanning electron microscopy.
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Gunatillake, Pathiraja A., Darren J. Martin, Gordon F. Meijs, Simon J. McCarthy, and Raju Adhikari. "Designing Biostable Polyurethane Elastomers for Biomedical Implants." Australian Journal of Chemistry 56, no. 6 (2003): 545. http://dx.doi.org/10.1071/ch02168.

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The chemical structure, synthesis, morphology, and properties of polyurethane elastomers are briefly discussed. The current understanding of the effect of chemical structure and the associated morphology on the stability of polyurethanes in the biological environments is reviewed. The degradation of conventional polyurethanes appears as surface or deep cracking, stiffening, and deterioration of mechanical properties, such as flex-fatigue resistance. Polyester and poly(tetramethylene oxide) based polyurethanes degrade by hydrolytic and oxidative degradation of ester and ether functional groups,
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Datta, J., and J. T. Haponiuk. "Influence of Glycols on the Glycolysis Process and the Structure and Properties of Polyurethane Elastomers." Journal of Elastomers & Plastics 43, no. 6 (2011): 529–41. http://dx.doi.org/10.1177/0095244311413447.

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In this work, the influence of glycols on the glycolysis process and the properties of obtained polyurethanes were investigated. The glycolysates were produced via glycolysis of waste polyurethane foam in the reaction with one of the following glycols: 1,3-propanediol, 1,5-pentanediol, and 1,6-hexanediol.The reactions were carried out for different mass ratios of polyurethane wastes to glycolysis agent, i.e. 6:1, 8:1, and 10:1. Polyurethanes were synthesized from the obtained intermediates by a one-step method of mixing polymeric di-isocyanate and the glycolysis products with molecular masses
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Dissertations / Theses on the topic "Polyurethanes. Polyurethanes Polyurethanes"

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Jung, Changdo. "SYNTHESIS OF THERMOPLASTIC POLYURETHANES AND POLYURETHANE NANOCOMPOSITES UNDER CHAOTIC MIXING CONDITIONS." University of Akron / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=akron1124809046.

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Goodby, Amanda. "Biodegradable thermoplastic polyurethanes." Thesis, Aston University, 2015. http://publications.aston.ac.uk/32134/.

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The overall aim of this work was to investigate the biodegradability of a number of polyurethane elastomers synthesised by different methods and targeted for a specific agricultural purpose in which the polyurethane was required to be degradable in soil after its useful life. Polyurethanes were synthesised commercially using two different methods; a ‘one-shot’ method where all of the reactants were added simultaneously, and a ‘pre-polymer’ method, in which the isocyanate and polyol were reacted together before addition of the chain extender. The effect of the method of synthesis on the rate of
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Coote, Alexander Stuart. "Polyurethanes for enzyme immobilisation." Thesis, Imperial College London, 1989. http://hdl.handle.net/10044/1/47386.

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Xu, Tong. "UV-Curable Hybrid Polyurethanes." University of Akron / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=akron1406471515.

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Williams, L. K. "Polyurethanes from renewable resources." Thesis, University of Sheffield, 2013. http://etheses.whiterose.ac.uk/4358/.

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A series of polyurethane (PU) and polyurethane-urea (PUU) elastomers derived from a renewable source have been synthesised and characterised extensively. Comparisons have been made to analogous series of elastomers utilising petroleum derived diisocyanates. The renewable elastomers utilised a difuranic diisocyanate (DFDI) derived from furfural, a readily available raw material synthesised from agricultural waste. DFDI was synthesised using a modified version of a published procedure, utilising triphosgene for the formation of the diisocyanate. The reaction kinetics of the diisocyanates used we
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Freij-Larsson, Christina. "Surface modification of biomedical polyurethanes." Lund : Dept. of Chemical Engineering II, Lund University, 1996. http://catalog.hathitrust.org/api/volumes/oclc/38985470.html.

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Panesar, Satwinder Singh. "Mould release layers for polyurethanes." Thesis, Imperial College London, 1986. http://hdl.handle.net/10044/1/38131.

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Peng, Chao. "Cationic Polyurethanes for Antimicrobial Applications." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1542383983590224.

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Porter, Stephen Christopher. "Synthesis, surface characterization, and biointeraction studies of low-surface energy side-chain polyetherurethanes /." Thesis, Connect to this title online; UW restricted, 1999. http://hdl.handle.net/1773/9845.

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Lam, Kit Sang. "Biodegradability of waterborne polyurethane and polyurethane : polyacrylate coating materials in soil /." View abstract or full-text, 2008. http://library.ust.hk/cgi/db/thesis.pl?CBME%202008%20LAM.

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Books on the topic "Polyurethanes. Polyurethanes Polyurethanes"

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Sonnenschein, Mark F. Polyurethanes. John Wiley & Sons, Inc, 2014. http://dx.doi.org/10.1002/9781118901274.

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Lamba, Nina M. K. Polyurethanes in biomedical applications. CRC Press, 1998.

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Eckehard, Weigand, ed. Automotive polyurethanes. Technomic Pub. Co., 2001.

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Discovering polyurethanes. Hanser Publishers, 1999.

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Hepburn, C. Polyurethane elastomers. 2nd ed. Elsevier Applied Science, 1992.

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1941-, Cooper Stuart L., ed. Polyurethanes in medicine. CRC Press, 1986.

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Vermette, Patrick. Biomedical applications of polyurethanes. Landes Bioscience, 2001.

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Szycher's handbook of polyurethanes. 2nd ed. Taylor & Francis, 2012.

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Szycher, M. Szycher's handbook of polyurethanes. CRC Press, 1999.

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Woods, George. The ICI Polyurethanes book. 2nd ed. Published jointly by ICI Polyurethanes and Wiley, 1990.

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Book chapters on the topic "Polyurethanes. Polyurethanes Polyurethanes"

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Pearson, R. G. "Polyurethanes." In Specialty Polymers. Springer US, 1987. http://dx.doi.org/10.1007/978-1-4615-7894-9_8.

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Gooch, Jan W. "Polyurethanes." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_9248.

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Turner, G. P. A. "Polyurethanes." In Introduction to Paint Chemistry and Principles of Paint Technology. Springer US, 1988. http://dx.doi.org/10.1007/978-1-4899-6836-4_15.

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Peacock, Andrew J., and Allison Calhoun. "Polyurethanes." In Polymer Chemistry. Carl Hanser Verlag GmbH & Co. KG, 2006. http://dx.doi.org/10.3139/9783446433434.025.

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Saunders, K. J. "Polyurethanes." In Organic Polymer Chemistry. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-1195-6_16.

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Turner, G. P. A. "Polyurethanes." In Introduction to Paint Chemistry and Principles of Paint Technology. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-1209-0_15.

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Bezwada, Rao S. "Absorbable Polyurethanes." In ACS Symposium Series. American Chemical Society, 2010. http://dx.doi.org/10.1021/bk-2010-1054.ch007.

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Bashford, David. "Polyurethanes (PUR)." In Thermoplastics. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-1531-2_60.

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Olcay, Hilal, Emine Dilara Kocak, and Zehra Yıldız. "Sustainability in Polyurethane Synthesis and Bio-based Polyurethanes." In Sustainable Textiles: Production, Processing, Manufacturing & Chemistry. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-38013-7_7.

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"Polyurethane Rigid Foams." In Polyurethanes. John Wiley & Sons, Inc, 2014. http://dx.doi.org/10.1002/9781118901274.ch8.

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Conference papers on the topic "Polyurethanes. Polyurethanes Polyurethanes"

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Magerstädt, Michael, Holger Schmidt, Gunther Blitz, Ralf Dopieralla, and Frank Schellbach. "Novel High Performance Elastomers: New, Recyclable Materials for Oil and Gas From In-Line Inspection to Pipe Coating." In 2012 9th International Pipeline Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/ipc2012-90185.

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Starting out from the need for polyurethanes with higher abrasion and tear resistance for pipeline inspection, an entire class of new high performance elastomers were developed. Within a few years materials were synthesized which did not only extend the mechanical properties of polyurethane elastomers, but also led to the development of completely new products. Applications range from intelligent plastic solutions combining elastomers and electronics via highly abrasion resistant pipe coatings to a new process for recycling and reuse of crosslinked polyurethanes. Fundamental to these successfu
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Hall, Adam. "Recycling Polyurethanes - An Industry Update from the Polyurethanes Recycle and Recovery Counsel (PURRC)." In International Congress & Exposition. SAE International, 1995. http://dx.doi.org/10.4271/951068.

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Sendijarevic, Vahid, Ibrahim Sendijarevic, Kevin Mayne, et al. "Recycling of Polyurethane Foams Recovered from Shredder Residue via Glycolysis Process into Polyurethanes." In SAE 2006 World Congress & Exhibition. SAE International, 2006. http://dx.doi.org/10.4271/2006-01-1579.

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Bauer, Adolf. "Long Fiber Injection of Polyurethanes." In International Congress & Exposition. SAE International, 1997. http://dx.doi.org/10.4271/970147.

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Davletbaeva, I. M., R. S. Davletbaev, A. D’Amore, Domenico Acierno, and Luigi Grassia. "Metalcoordinated Polyurethanes And Their Properties." In V INTERNATIONAL CONFERENCE ON TIMES OF POLYMERS (TOP) AND COMPOSITES. AIP, 2010. http://dx.doi.org/10.1063/1.3455598.

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Gerbreders, A., J. Aleksejeva, and J. Teteris. "Photosensitive polyurethanes for optical record." In Photonics Prague 2011, edited by Pavel Tománek, Dagmar Senderáková, and Petr Páta. SPIE, 2011. http://dx.doi.org/10.1117/12.910874.

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Myers, James I., and William J. Farrissey. "Energy Recovery Options for RIM Polyurethanes." In International Congress & Exposition. SAE International, 1991. http://dx.doi.org/10.4271/910583.

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Filip, Daniela, G. E. Ioanid, A. Ioanid, and D. Macocinschi. "Surface characteristics of pluronic-based polyurethanes." In 2008 IEEE 35th International Conference on Plasma Science (ICOPS). IEEE, 2008. http://dx.doi.org/10.1109/plasma.2008.4590930.

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Zeitler, G. "Thermoplastic Polyurethanes for Instrument Panel Skins." In International Congress & Exposition. SAE International, 1990. http://dx.doi.org/10.4271/900730.

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Williams, Charles M., M. A. Nash, and Laura A. Poole-Warren. "Electrically conductive polyurethanes for biomedical applications." In Smart Materials, Nano-, and Micro-Smart Systems, edited by Dan V. Nicolau. SPIE, 2005. http://dx.doi.org/10.1117/12.585321.

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Reports on the topic "Polyurethanes. Polyurethanes Polyurethanes"

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Cooper, Stuart L., and Sachin Velankar. Microphase Separation in Ion Containing Polyurethanes. Defense Technical Information Center, 2001. http://dx.doi.org/10.21236/ada394322.

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Young, Sandra K., Peter L. Vajda, Eugene Napadensky, Dawn M. Crawford, and James M. Sloan. Structure-Scavenging Abilities of Cyclodextrin-Based Polyurethanes. Defense Technical Information Center, 2002. http://dx.doi.org/10.21236/ada406085.

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MacKnight, William J. Synthesis, Structure and Properties of Segmented Polyurethanes. Defense Technical Information Center, 1990. http://dx.doi.org/10.21236/ada230966.

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MacKnight, William J. Synthesis, Structure and Properties of Segmented Polyurethanes. Defense Technical Information Center, 1990. http://dx.doi.org/10.21236/ada246108.

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Hoyle, Charles E., and Kyu-Jun Kim. Photolysis of Aromatic Diisocyanate Based Polyurethanes in Solution. Defense Technical Information Center, 1986. http://dx.doi.org/10.21236/ada169644.

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Guttman, Charles M., John R. Maurey, Peter H. Verdier, Charles C. Han, and Francis W. Wang. Development of characterization techniques for polyurethanes I. Characterization of SRM 1480, a low molecular weight polyurethane for SEC calibration. National Institute of Standards and Technology, 1992. http://dx.doi.org/10.6028/nist.ir.4788.

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Stanford, John L., and Robert J. Young. High Performance Composites Based on Polyurethanes Reinforced with Polydiacetylenes. Defense Technical Information Center, 1989. http://dx.doi.org/10.21236/ada208436.

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Sloan, James M., and Henry Feuer. Diffusion and Mechanical Properties of Polyether-Polyurethanes Reinforced with Silica. Defense Technical Information Center, 2016. http://dx.doi.org/10.21236/ad1010206.

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Schwab, Joseph J., Joseph D. Lichtenhan, Kevin P. Chaffee, Patrick T. Mather, and Angel Romo-Uribe. Polyhedral Oligomeric Silsesquioxanes (POSS): Silicon Based Monomers and Their Use in the Preparation of Hybrid Polyurethanes. Defense Technical Information Center, 1998. http://dx.doi.org/10.21236/ada408813.

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Bribar, R. M., P. Sung, and J. D. Barnes. Small angle x-ray study of the deformation of 4,4'-diphenylmethane dilsocyanate1, 4'-butanediol (MDIBDO) based polyurethanes. National Bureau of Standards, 1988. http://dx.doi.org/10.6028/nist.ir.88-3873.

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