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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
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Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Showing 1 to 10 of 75 (0.034 seconds)Spelling suggestions: "subject:"polymerblend"" "subject:"polymerblends""
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Ordering transition and critical phenomena in a three component polymer mixture of A/B homopolymers and a A-B diblockcopolymerPipich, Vitaliy. January 2004 (has links) (PDF)
Münster (Westfalen), Univ., Diss., 2004. / Computerdatei im Fernzugriff.
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Rheologische Charakterisierung polymerer Materialien statistische Datenanalyse, Modellbildung und Simulation /Roths, Tobias. January 2000 (has links) (PDF)
Freiburg (Breisgau), Universiẗat, Diss., 2001.
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Interfacial properties and phase behavior of unsymmetric polymer blendsAdhikari, Narayan Prasad. January 2001 (has links) (PDF)
Halle, Wittenberg, University, Diss., 2001.
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Neue morphologische und rheologische Kriterien für die Phaseninversion von ungefüllten und selektiv gefüllten PolymerblendsSteinmann, Sandra. January 2002 (has links) (PDF)
Freiburg (Breisgau), Universiẗat, Diss., 2002.
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Field theories for copolymer blends self consistent approaches and Monte Carlo simulations /Düchs, Dominik. January 2003 (has links) (PDF)
Bielefeld, University, Diss., 2003.
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Mechanical properties and morphology of oriented polymer blendsGallagher, G. A. January 1988 (has links)
No description available.
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Application of polymer material by mimicking nature hydrogen bondingTsai, Hsin-Tung 27 July 2010 (has links)
This research includes two topics. The first topic is prepared a series of poly(methyl methacrylate) (PMMA)-based copolymers through free radical copolymerizations of methyl methacrylate in the presence of the either 2 - vinyl - 4,6 -diamino - 1, 3, 5triazine(VDAT) or vinylbenzyl -thymine (VBT). Using 1H nuclear magnetic resonance (NMR) spectroscopy, Fourier transform infrared (FTIR) spectroscopy, differential scanning calorimetry (DSC), we investigated the thermal properties and hydrogen-bonding interactions within blends of the two copolymers poly(2-vinyl-4,6-diamino-1,3,5-triazine-co-methyl methacrylate) (PVD AT-co-PMMA) and poly(vinylbenzylthymine-co-methyl methacrylate) (PVBT-co-PMMA). A large positive deviation in the behavior of the glass transition temperature determined by using the Kwei equation and DSC analyses indicated that strong multiple hydrogen-bonding interactions existed between the two copolymers. The FTIR and solid-state NMR spectroscopic analyses provided positive evidence for the presence of three hydrogen bonds between the diamino-1,3,5-triazine groups of PVDAT and thymine groups of PVBT.
The second topic is synthesized a series of alkyne end-terminated poly(£^-Benzyl L-glutamate) (alkyne-PBLG), which was prepared by the ring-opening polymerization of the N-carboxyanhydride monomer of £^-Benzyl L-glutamate-carboxyanhydride. Then combination of the alkyne-PBLG with polyhedral oligomeric silsesquioxanes (POSS) with eight function groups are prepared through the click reation and formed a peptide-based block polymer with £\-helice and £]-sheet conformations. The thermal properties and structure of these polypeptides were characterized by using 1H NMR and FTIR. The FTIR, solid-state NMR and WXRD spectroscopic analyses provided evidence for the change of secondary structure between POSS and terminated peptide group, so that the conformation of £]-sheets and £\-helices would be influenced by the incorporation of POSS nanoparticle.
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A study of sequential interpenetrating polymer networks based on polymethylsiloxaneMcGarey, B. January 1987 (has links)
No description available.
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"In-situ"-Polymerisation von Methylmethacrylat in Gegenwart von Poly(n-butylacrylat) mit Poly(methylmethacrylat-block-n-butylacrylat) als VerträglichkeitsvermittlerStrunk-Westermann, Andreas. January 2000 (has links) (PDF)
Essen, Univ., Diss., 2000. / Computerdatei im Fernzugriff.
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Der Einfluss thermoplastischer Elastomere auf die Struktur und das Kristallisationsverhalten von Polyolefin-BlendsPlawky, Udo. January 1997 (has links) (PDF)
Duisburg, Universiẗat, Diss., 1997.
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