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  • Inorganic Chemistry  (3)
  • Spectra, IR and UV, of blends of modified PEEK with aromatic polyimides
  • crystal reorganization
  • Wiley-Blackwell  (5)
  • American Chemical Society (ACS)
  • Oxford University Press
Collection
Keywords
Publisher
  • Wiley-Blackwell  (5)
  • American Chemical Society (ACS)
  • Oxford University Press
Years
  • 1
    Electronic Resource
    Electronic Resource
    Miscible blends of modified poly(aryl ether ketones) with aromatic polyimides (1993)
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part B: Polymer Physics 31 (1993), S. 821-830 
    Details
    ISSN: 0887-6266
    Keywords: blends of modified PEEK with aromatic polyimides ; miscibility of blends of modified PEEK with aromatic polyimides ; Spectra, IR and UV, of blends of modified PEEK with aromatic polyimides ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The phase behavior of binary blends of poly(ether ether ketone) (PEEK), sulfonated PEEK, and sulfamidated PEEK with aromatic polyimides is reported. PEEK was determined to be immiscible with a poly(amide imide) (TORLON 4000T). Blends of sulfonated and sulfamidated PEEK with this poly(amide imide), however, are reported here to be miscible in all proportions. Blends of sulfonated PEEK and a poly(ether imide) (ULTEM 1000) are also reported to be miscible. Spectroscopic investigations of the intermolecular interactions suggest that formation of electron donoracceptor complexes between the sulfonated/sulfamidated phenylene rings of the PEEKs and the n-phenylene units of the polyimides are responsible for this miscibility. © 1993 John Wiley & Sons, Inc.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/polb.1993.090310710
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  • 2
    Electronic Resource
    Electronic Resource
    Melting behavior of poly(ether ether ketone) in its blends with poly(ether imide) (1993)
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part B: Polymer Physics 31 (1993), S. 1845-1850 
    Details
    ISSN: 0887-6266
    Keywords: melting behavior of PEEK/PEI blends ; equilibrium melting point ; crystal reorganization ; interlamellar segregation ; melting point depression ; interaction parameter ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: We detail the melting behavior of poly(ether ether ketone) (PEEK) and investigate its melting behavior in miscible blends with poly(ether imide) (PEI). The determination of the equilibrium melting point (Tm0) of PEEK is discussed by considering its inhomogeneous morphology. Tm0 is obtained by a long extrapolation of a Hoffman-Weeks plot to 384°C. Hindrance of PEEK crystal reorganization induced by PEI during heating is observed over the blend composition investigated (20-75 wt % PEEK). This behavior is correlated with the incorporation of PEI in the interlamellar zones of PEEK crystals. The interaction parameter χ of PEEK/PEI blends is estimated by the equilibrium melting point depression. This gives the interaction density B = -1.2 cal/cm3, and x = -0.40 at 400°C. © 1993 John Wiley & Sons, Inc.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/polb.1993.090311217
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  • 3
    Electronic Resource
    Electronic Resource
    Das Kondensationsprinzip der Catechin-Gerbstoffe (1957)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 90 (1957), S. 957-962 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Die Kondensation, welche Catechine unter der Einwirkung von Säuren erleiden, besteht in der Substitution einer reaktionsfähigen CH-Gruppe des einen -Moleküls durch das Kohlenstoffatom 2 (Phenylcarbinoläthergruppe) des anderen. Dieses Ergebnis wird an vereinfachten Modellen aus der Gruppe der Catechine abgeleitet.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19570900615
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  • 4
    Electronic Resource
    Electronic Resource
    Ueber additionelle Verbindungen des Tetrabrom-o-benzochinons (1903)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 36 (1903), S. 454-456 
    Details
    ISSN: 0365-9496
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19030360191
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  • 5
    Electronic Resource
    Electronic Resource
    Beobachtungen über die Claisen-Kondensation (1925)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 58 (1925), S. 333-341 
    Details
    ISSN: 0365-9631
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19250580219
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