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  • 1
    Monograph available for loan
    Monograph available for loan
    Global model simulation: a new frontier of economics and systems science (1994)
    Tokyo : Selbstverlag
    Details Availability
    Call number: PIK B 020-02-0188
    Type of Medium: Monograph available for loan
    Pages: 252 p.
    Location: A 18 - must be ordered
    Branch Library: PIK Library
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  • 2
    Electronic Resource
    Electronic Resource
    Reaction of Vinyl Ethers with Acidic Imino Compounds. A New Synthesis of Some N-Vinyl Imides (1958)
    s.l. : American Chemical Society
    The @journal of organic chemistry 23 (1958), S. 672-676 
    Details
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jo01099a008
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Investigation of the detection limit for the determination, by pyrolysis-capillary GC, of the thickness of ultra thin PMMA layers coated on to PET film (1992)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 15 (1992), S. 33-35 
    Details
    ISSN: 0935-6304
    Keywords: Pyrolysis-capillary GC ; Quantitative analysis ; Detection limit ; Ultra-thin layer poly(methyl methacrylate) ; Poly(ethylene terephthalate) ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The determination of nanometer thick layers of poly(methyl methacrylate) coated on to the surface of poly(ethylene terephthalate) film has been investigated by high resolution pyrolysis gas chromatography without sample pretreatment or modification of the instrumentation used. A good linear relationship was observed between the quantity of the characteristic pyrolysate and the thickness of the poly(methyl methacrylate) layer; the detection limit was sufficient to enable the quantitation of poly(methyl methacrylate)-to-poly(ethylene terephthalate) film thickness ratios of 1:20000 in composite materials.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240150109
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  • 4
    Electronic Resource
    Electronic Resource
    An autosampler with a short transfer line for Curie point pyrolysis capillary gas chromatography (1993)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 16 (1993), S. 353-357 
    Details
    ISSN: 0935-6304
    Keywords: Capillary GC Curie point pyrolysis ; Multichannel autosampler ; Polymer analysis ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A new multichannel autosampler which can automatically analyze up to twenty samples in sequence has been developed for Curie point pyrolysis - capillary GC. Compared with a previous system [1] the transfer line between the pyroysis unit and chromatograph is shorter, and thus has less dead volume, and can be operated at a higher temperature (300 °C). The relative yields of higher boiling point, highly polar, and thermally labile pyrolysates generated from polymers, and the reproducibility, were better than those obtained from the previous autosampler. To facilitate rapid operation an additional flow controller is installed on the new device to shorten the time taken to purge air from the sampler.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240160604
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  • 5
    Electronic Resource
    Electronic Resource
    Multichannel autosampler for Curie-point pyrolysis capillary gas chromatography (1992)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 15 (1992), S. 9-12 
    Details
    ISSN: 0935-6304
    Keywords: Capillary GC ; Curie-point pyrolysis ; GC-MS ; Multichannel autosampler ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A multichannel autosampler which can automatically analyze up to 20 samples in sequence has been developed for on-line Curie-point pyrolysis - capillary GC. The results obtained from the system show that the analysis of thermally labile samples could be performed without either thermal degradation or reaction during the waiting time before the final pyrolysis. The reproducibilities of the relative peak areas and retention times of the characteristic pyrolysates of a tricomponent copolymer were significantly better than those obtained by manual sample manipulation.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240150104
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  • 6
    Electronic Resource
    Electronic Resource
    Development of a curie-point headspace sampler for capillary gas chromatography (1991)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 14 (1991), S. 79-82 
    Details
    ISSN: 0935-6304
    Keywords: Capillary gas chromatography ; Multipurpose sample injector ; Curie-point desorption ; Curie-point pyrolyzer ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A Curie-point headspace sampler (CPHS) equipped with a purge and trap sampler has been developed for use with capillary gas chromatography. The new system can handle a variety of samples, including gases, liquids, and solids, and can also be used as a pyrolyzer.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240140203
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  • 7
    Electronic Resource
    Electronic Resource
    Simultaneous hydrothermal decomposition and methylation: High resolution gas chromatography-mass spectrometry for polymer characterization (1993)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 16 (1993), S. 597-600 
    Details
    ISSN: 0935-6304
    Keywords: High resolution GC-MS ; Hydrothermal decomposition ; Methylation ; Polymer characterization ; Reproducibility ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: High speed hydrothermal decomposition of some chemically inert condensation polymers in alkaline solutions under near-critical pressures and temperatures has been investigated by on-line Curie-point heating-high resolution GC-MS. The technique also involves simultaneous methylation with tetramethylammonium hydroxide in a 1 mm i.d. × 20 mm sealed glass capillary. The relative standard deviation for the peak intensity (mol %) resulting from ten replicate measurements of poly(butylene terephthalate) is approximately 3%. This method requires a small amount of sample (ca. 0.1 mg) and provides simple chromatograms, greater structural information, good reproducibility, and rapid reaction (0.5-15 min) without chemical treatment. A brief overview of applications to the characterization of some condensation polymers such as aromatic polyester, polycarbonate, and aliphatic and aromatic polyamide is also described.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240161006
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  • 8
    Electronic Resource
    Electronic Resource
    Effect of unsaturated hydrocarbons on the polymerization of butadiene with nickel catalyst (1970)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 139 (1970), S. 73-81 
    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 Wirkung verschiedener aliphatischer Kohlenwasserstoffe auf die cis-1.4-Polymerisation von Butadien mit Nickelnaphthenat/Bortrifluoridätherat/Triäthylaluminium als Katalysator wurde untersucht. Vinylcyclohexen, Allene und Acetylene verzögern die Initiierung und die Wachstumsreaktion, steigern hingegen die Kettenübertragung. Der Verzögerungseffekt verstärkt sich in der Reihenfolge: Paraffin, Monoolefin 〈 Vinylcyclohexen ≦ Acetylen 〈 Allen = Butadien-(1.2) 〈 Methylacetylen 〈 Vinylacetylen. Die Mikrostruktur des Polymeren wird durch die Gegenwart dieser Stoffe nicht verändert. Es wird versucht, den Retardierungseffekt auf Grund der Koordination zwischen den ungesättigten Kohlenwasserstoffen und dem Katalysator zu erklären.
    Notes: Effect of various aliphatic hydrocarbons on the cis-1.4 polymerization of butadiene with nickel naphthenate/boron trifluoride etherate/triethylaluminum catalyst was investigated. It was observed that vinylcyclohexene, allenes, and acetylenes retarded the initiation and the propagation and enhanced the chain transfer. The retarding effect is stronger in the order: paraffin, monoolefin 〈 vinylcyclohexene ≦ acetylene 〈 allene = butadiene-1.2 〈 methylacetylene 〈 vinylacetylene. The microstructure of the polymer is not affected by the presence of these compounds. The retarding effect was discussed in terms of the coordination of the unsaturated hydrocarbons to the catalyst.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1970.021390106
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  • 9
    Electronic Resource
    Electronic Resource
    Kinetic study of cis-1.4 polymerization of butadiene with nickel carboxylate/boron trifluoride etherate/triethylaluminum catalyst (1970)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 139 (1970), S. 61-72 
    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: Um das 1.4-cis-Polymere zu erhalten, wurde Butadien mit einem Katalysator polymerisiert, der aus Nickelnaphthenat, Bortrifluoridätherat und Triäthylaluminium hergestellt wurde. Es wurde die Wirkung der Polymerisationszeit, der Katalysatorkonzentration, der Konzentration des Monomeren und der Polymerisationstemperatur auf die Polymerisationsgeschwindigkeit, das Molekulargewicht und die Mikrostruktur des Polymeren untersucht Die Ergebnisse wurden unter der Annahme erklärt, daß eine Abbruchreaktion fehlt und daß eine Kettenübertragung nur auf das Monomere stattfindet. Die Geschwindigkeitsgleichung lautet: -d[M]/dt = αkp[C]0[M]. Die Gleichung, die den Polymerisationsgrad beschreibt, lautet: 1/P̄ = ktm/kp + α[C]0/x[M]0 wobei α eine Konstante und x der Umsatz ist, der durch einen Bruch ausgedrückt wird, und die übrigen Ausdrücke die übliche Bedeutung haben. Es wurden angenäherte Werte der Geschwindigkeitskonstanten erhalten.
    Notes: Butadiene was polymerized with the catalyst prepared from nickel naphthenate, boron trifluoride etherate, and triethylaluminum to produce cis-1.4-polymer. The effects of polymerization time, catalyst concentration, monomer concentration, and polymerization temperature on the rate of polymerization and the molecular weight and the microstructure of the polymer were investigated. The results were explained by considering the absence of termination and the presence of chain transfer only to the monomer. The rate equation is: -d[M]/dt = αkp[C]0[M]. The equation concerning the degree of polymerization of the polymer is: 1/P̄ = ktm/kp + α[C]0/x[M]0, where α is a constant, x is conversion expressed by a fractional number, and the other notations are as usual. Approximate values of the rate constants were obtained.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1970.021390105
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  • 10
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    Using a multi-nation economic model: Projection of economic relations between Japan and developing countries in Asia (1975–1985) (1977)
    Elsevier
    Details
    Publication Date: 1977-01-01
    Print ISSN: 0040-1625
    Electronic ISSN: 1873-5509
    Topics: Geography , Sociology , Technology
    Published by Elsevier
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