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  • Articles: DFG German National Licenses  (23)
  • Electronic Resource  (23)
  • 1965-1969  (23)
Source
  • Articles: DFG German National Licenses  (23)
Material
  • Electronic Resource  (23)
Years
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    A kinetic study on the reaction of dicumyl peroxide with some low-olefin rubbers (1967)
    Weinheim : Wiley-Blackwell
    Angewandte Makromolekulare Chemie 1 (1967), S. 78-91 
    Details
    ISSN: 0003-3146
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Die Abnahme der relativen Viskosität von Toluollösungen von Isobutylen-Isopren-, Polyisobutylen- sowie Äthylen- Propylen-Kautschuk bei der Reaktion mit Dicumylperoxyd wurde untersucht. Durch Anwendung der früher von KIRIYAMA et al. abgeleiteten Gleichungen auf die Reaktion von Kautschuk mit Peroxyd werden die Ergebnisse der Experimente diskutiert.
    Notes: The viscosity lowering of toluene solutions of isobutylene-isoprene rubber, polyisobutylene, and ethylene-propylene rubber in the reaction with dicumyl peroxide was investigated. By using the kinetic equations for the reaction of rubber with peroxide which had been derived previously by KIRIYAMA et al. the results of the experiments are discussed.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/apmc.1967.050010106
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Condensation of α-amino acids by polyphosphoric acid (polycondensation. V.1) (1965)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 85 (1965), S. 173-177 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Die Polykondensation einiger α-Aminosären und von β-Alanin wurde mit Polyphosphorsäure bei 60°C untersucht. Die hier benutzten α-Aminosäuren waren Glycin, DL-Alanin, DL-Valin, L-Leucin, L-Phenylalanin, DL-Methionin und L-Histidin. Aus chemischen und spektroskopischen Analysen der Kondensationsprodukte wurde gefolgert, daß die erhaltenen Produkte aus Polypeptiden von niedrigen Molekulargewichten bestanden.
    Notes: The polycondensation of several α-amino acids and β-alanine was carried out at 60°C. with polyphosphoric acid. The α-amino acids used were glycine, DL-alanine, DL-valine, L-leucine, L-phenylalanine, DL-methionine, and L-histidine. From the results of chemical and spectroscopic analyses it was concluded that the condensation products here obtained consisted of polypeptides of low molecular weight.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1965.020850115
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  • 3
    Electronic Resource
    Electronic Resource
    Vinylpolymerlsation. 159. Mitt. Die radikalische polymerisation von acryinitril durch ary1sulfonylazide (1967)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 100 (1967), S. 249-254 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: The polymerization of acrylonitrile was carried out in benzene in the temperature range from 100 to 135°C., with p-substituted arylsulfonyl azides as initiators. The rate of polymerization is proportional to the initial concentration of acrylonitrile and to the square root of the initial concentration of the arylsulfonyl azides. Modified HAMMETT'S equation is applicable. The reaction constant ρ has a value of -1.0. It is assumed that the polymerization is initiated by the arylsulfonyl nitrene that is, by nitrogen radical.
    Notes: Die Polymerisation von Acrylnitril durch eine Reihe von p-substituierten Arylsulfonylaziden wurde in Benzollösung im Temperaturbereich von 100 bis 135°C untersucht. Esergah sich, daß die Polymerisationsoeschwindigkeit proportional der Ausgangskonzentration des Acrylnitrils und der Quadratwurzel der Ausgangskonzentration der Arylsulfonylazide war. Es wurde weiter gefunden, daß die modifizierte HAMMETTSche Gleichung anwend- bar ist. Die Reaktionskonstante ρ hat den Wert -1,0. Aus den Versuchsergebnissen wurde geschlossen, daß die Polymerisation durch das Arylsulfonylimidogen, ein Stickstoff-Radikal, ausgelöbst wird.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1967.021000126
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  • 4
    Electronic Resource
    Electronic Resource
    Vinyl compounds of nucleic acid bases. II. Synthesis and polymerization of N-β-methacryloyloxyethyl derivatives of uracil, thymine, theophylline, 2-chloro-6-mithylpurine, and adenineVinyl Polymerization. 219. (218th of this series: S. HAYASHI and M. IMOTO, Angew. Makromolekulare Chem., in press). (1968)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 120 (1968), S. 21-26 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: N-β-Methacryloyloxyäthylderivate von Uracil, Thymin, Theophyllin, 2-Chlor-6-methylpurin und Adenin wurden durch die Umestzung der entsprechenden N-Hydroxyäthylverbindungen mit Methacrylsäurechlorid hergestellt. Die Polymerisation dieser neuen Vinylmonomeren warde durchgeführt.
    Notes: N-β-Methacryloyloxyethyl derivatives of uracil, thymine, theophylline, 2-chloro-6-methlpurine, and adenine were prepared by the reaction of the corresponding N-hyddroxyethyl compounds with methacryloyl chloride. The polymerization of these new vinyl monomers was carried out.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1968.021200103
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  • 5
    Electronic Resource
    Electronic Resource
    Vinyl polymerization. 217216. of the series: K. TAKEMOTO, M. IZUBAYASHI, and M. IMOTO, Makromolekulare Chem. 119 (1968) 147 (Nr.2825).. Vinyl compounds of nucleic acid basis. I. Synthesis of N-vinylthymine, and N-vinyladenine (1968)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 120 (1968), S. 13-20 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Die Synthese von N-Vinyluracil, N-Vinylthymin sowie N-vinyladenin warde beschrieben. Diese drei N-Vinylverbindungen wurden ausgehend von den entsprechenden Nucleinsäurebasen über die N-Hydroxyäthylderivate und die durch Chlorierung erhaltenen N-Chloräthylderivate dargestellt.
    Notes: The synthesis of N-vinyluracil, N-vinylthymine, and N-vinyladenine is described. The general procedure consists of the conversion of the corresponding nucleric acid bases to their N-hydroxyethyl compounds, followed by chlorination to the N-chloroethyl compounds and dehydrochlorination to the N-vinyl derivaties.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1968.021200102
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  • 6
    Electronic Resource
    Electronic Resource
    Vinyl compounds of nucleic acid bases. III. Polymerization and copolymerization of N-vinyl and β-methacryloyloxyethyl compounds of nucleic acid bases and their polymer-polymer interactionsVinylpolymerization 234; part 233 of the series: H. WADA, K. TAKEMOTO, and M. IMOTO, J. Polymer Sci. [Japan] (Kobunshi Kagaku), in press. (1969)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 125 (1969), S. 42-47 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: 9-Vinyladenin, 1-Vinyluracil, 1-Vinylthymin sowie β-Methacryloyloxyäthylderivate von Uracil, Thymin und Adenin wurden polymerisiert und mit Acrylamid, Maleinsäureanhydrid und Vinylpyrrolidon in verschiedenen Lösungsmitteln copolymerisiert. Die Polymer-Polymer-Wechselwirkungen wurden mit einer spektrophotometrischen Methode untersucht. Es ergab sich, daß Poly-9-vinyladenin mit Ribonucleinsäure in wäßriger Lösung einen hypochromen Effekt zeigt.
    Notes: 9-Vinyladenine, 1-vinyluracil, 1-vinylthymine, and β-methacryloyloxyethyl derivatives of uracil, thymine and adenine were polymerized and copolymerized with acrylamide, maleic anhydride, and vinylpyrrolidone in different solvents. The polymer-polymer interactions were measured by a spectrophotometric method. Poly(9-vinyladenine) gave a hypochromic effect with ribonucleic acid in aqueous solution.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1969.021250105
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  • 7
    Electronic Resource
    Electronic Resource
    Polymerization of vinyl monomers with a benzoic anhydride/dimethylaniline N-oxide system. Vinyl polymerization. 121120 of this series, M. IMOTO, M. KINOSHITA, and M. NISHIGAKI, Makromolekulare Chem. 94 (1966) 238. (1966)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 95 (1966), S. 117-127 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Die Polymerisation von Methylmethacrylat mit dem System Benzoesäureanhydrid/Dimethylanilin N-oxyd wurde in Benzol kinetisch untersucht. Es ergab sich, daß die Polymerisationsgeschwindigkeit proportional der Quadratwurzel der Ausgangskonzentrationen des Benzoesäureanhydrids und des Dimethylanilin-N-oxyds war, daß die Polymerisation mit Zugabe verschiedener Alkohole stark beschleunigt wurde und daß die Polymerisation in Gegenwart von Hydrochinon deutlich gehemmt wurde. Die Polymerisationen von Acrylnitril, Styrol und Vinylidenchlorid mit diesem Initiatorsystem wurden in gleicher Weise durchgeführt. Aus den Ergebnissen sowie aus dem Copolymerisatsverhalten von Methyl-methacrylat mit Styrol wurde gefolgert, daß das Initiatorsystem die Vinylpolymerisation radikalisch auslöst.
    Notes: The polymerization of methyl methacrylate was carried out in benzene, using benzoic anhydride-dimethylaniline N-oxide system as initiator. It was found that the rate of polymerization was proportional to the square root of the initial concentrations of both benzoic anhydride and dimethylaniline N-oxide, that the polymerization was remarkably accelerated in the presence of alcohols, and that hydroquinone inhibited the polymerization. Polymerizations of acrylonitrile, styrene and vinylidene chloride were also carried out by this system. From the results mentioned here together with the observation on the composition curve of the copolymerization of methyl methacrylate with styrene, it was concluded that the system could initiate radical polymerization of vinyl monomers.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1966.020950109
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  • 8
    Electronic Resource
    Electronic Resource
    Polymerization of methyl methacrylate with a benzoic anhydride/pyridine N-oxide system. Vinyl polymerization. 1221 (1966)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 95 (1966), S. 128-134 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Die Polymerisation von Methylmethacrylat mit dem System Benzoesäureanhydrid/Pyridin-N-oxyd wurde in Benzol kinetisch untersucht. Wie im Falle des Systems Benzoesäureanhydrid/Dimethylanilin-N-oxyd ergab sich, daß die Polymerisationsgeschwindigkeit proportional der Quadratwurzel der Ausgangskonzentrationen des Benzoesäureanhydrids und des Pyridin-N-oxyds war, daß die Polymerisation durch Zugabe von Alkoholen stark beschleunigt und in Gegenwart von Hydrochinon deutlich gehemmt wurde. Aus den erhaltenen Resultaten und dem Copolymerisationsverhalten von Methylmethacrylat mit Styrol wurde gefolgert, daß das Initiatorsystem die Vinylpolymerisation radikalisch auslösen kann. Dér Mechanismus für die Radikalerzeugung wird kurz diskutiert.
    Notes: The polymerization of methyl methacrylate was carried out in benzene, using benzoic anhydride/pyridine N-oxide system as initiator. As well as the results obtained in the case of benzoic anhydride/dimethylaniline N-oxide system, it was found that the rate of polymerization was proportional to the square roots of the initial concentrations of benzoic anhydride and pyridine N-oxide respectively, that the polymerization was remarkably accelerated in the presence of alcohols, and that hydroquinone inhibited the polymerization. From these results together with the observation on the composition curve of the copolymerization of methyl methacrylate with styrene, it was concluded that the system could initiate radical polymerization. The mechanism as for the radical formation was briefly discussed.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1966.020950110
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  • 9
    Electronic Resource
    Electronic Resource
    Vinylpolymerisation. 143. Mitt.142. Mitt.: A. TAKATA, T. OTSU und M. IMOTO, J. chem. Soc. Japan, ind. Chem. Sect. (KōgYō KagaKu Zasshi) 69 (1966) 711. Radikalische polymerisation von methylmethacrylat auf cellulose und seide in abwesenheit von initiatoren (1966)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 98 (1966), S. 74-80 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: The graft polymerization of methyl methacrylate on cellulose and silk was studied in the absence of initiators under different conditions. It was found that the polymerization could be initiated only in the presence of water. Grafto-copolymerization of methyl methacrylat and styrene or acrylonitrile was also carried out, and it was concluded from the composition curves of graft copolymerization, that the polymerization proceeded by radical mechanism. Together with the results in the presence of zinc chloride, it was assumed that the complex formation between cellulose or silk, methyl methacrylate and water is the first stage of the initiation.
    Notes: Die Pfropfpolymerisation von Methylmethacrylat auf Cellulose und Seide in Abwesenheit von Initiatoren wurde unter verschiedenen Bedingungen versucht. Die Polymerisation konnte erst in Gegenwart von Wasser ausgelöst werden. Die Pfropfcopolymerisation von Methylmethacrylat und Styrol oder Acrylnitril wurde auch durchgeführt, und aus den ermittelten Kompositionskurven läßt sich folgern, daß die hier in Frage kommende Polymerisation von rein radikalischem Charakter ist. In Anbetracht der Versuche in Gegenwart von Zinkchlorid wird angenommen, daß die Komplexbildung zwischen Cellulose oder Seide, Methylmethacrylat und Wasser der erste Schritt der Polymerisation ist.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1966.020980109
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  • 10
    Electronic Resource
    Electronic Resource
    Polymerization of acrylonitrile initiated by 1-acetoxy-2-methylpyridimium picrate. Vinyl polymerization. 140139 of the series: S. AOKI, Y. HARITA, T. OTSU, and M. IMOTO, Bull. chem. Soc. Japan, 39 (1966) 889. (1966)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 98 (1966), S. 66-73 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: In der Reihe unserer Untersuchungen über den Initiierungsmechanismus der Vinyl polymerisation mit dem System Dibenzoylperoxid/Dimethylanilin und mit dem System Benzoesäureanhydrid/Amin-N-oxid wurde gefolgert, daß diese Initiatorsysteme über Anilinium-Zwischenverbindungen/Amin-N-oxid wurde gefolgert, daß diese Initiatorsysteme über Anilinium-Zwischenverbindungen, die eine Bindung enthalten, in freie Radikale zerfallen und damit die Vinylpolymerisation radikalisch auslösen. Um aufzuklären, ob Verbindungen, die eine Bindung enthalten, auch die radikalische Polymerisation auslösen können, wurde die Polymerisation von Acrylnitril in Dimethylformamid in Gegenwart von 1-Acetoxy-2-methylpyridiniumpikrat durchgeführt. Es ergab sich, daß die Verbindung die Polymerisation von Acrylnitril im Temperaturbereich zwischen 60° und 90°C radikalisch auslöst und daß das System 2-Picolin-N-oxyd/Picrylacetat das gleiche Verhalten zeigt.
    Notes: In the series of our studies on the initiation mechanism of vinyl polymerization initiated by dibenzoyl peroxide/dimethylaniline system and by benzoic anhydride/amine N-oxide system, it has been concluded that the systems involved anilinium ion intermediate containing bond, which was capable of homolytic decomposition to free radicals to initiate radical polymerization. In order to elucidate whether any compounds containing bond in their structures can initiate radical polymerization, the polymerization of acrylonitrile was carried out in dimethylformamide, in the presence of 1-acetoxy-2-methylpyridinium picrate. It was found that the compound was proved to initiate radical polymerization in the temperature range between 60° and 90°C., and that 2-picoline N-oxide/picryl acetate system could polymerize acrylonitrile in the same way.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1966.020980108
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