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  • Articles: DFG German National Licenses  (2)
  • Electronic Resource  (2)
  • 1995-1999  (2)
  • Chemistry  (2)
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  • Articles: DFG German National Licenses  (2)
Material
  • Electronic Resource  (2)
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Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Synthesis and thermal characterization of poly(1,3-phenyl octanoate) (1996)
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part A: Polymer Chemistry 34 (1996), S. 2851-2856 
    Details
    ISSN: 0887-624X
    Keywords: poly(1,3-phenyl ocatnoate) ; synthesis ; characterization ; thermal decomposition ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Poly(1,3-phenyl octanoate) (polyHPOA) was prepared by melt and solution polycondensation methods from 8-(3-hydroxyphenyl)octanoic acid (HPOA), a novel monomer useful as a chain disruptor in liquid crystalline copolyesters. The melt polycondensation technique gave a polyester of higher inherent viscosity (0.80 dL/g in p-chlorophenol) than that (0.75 and 0.56 dL/g, respectively, for the Ogata method and thionyl chloride/pyridine method in the same solvent) of solution techniques. The solubility of the polyesters was limited to strongly acidic and polar solvents. The polyester was characterized by elemental analysis, IR spectroscopy, WAXD, TGA, isothermal TGA and DTA. x-ray diffraction pattern of the polyesters indicated that it is amorphous in nature. TGA of the polyesters gave a thermal stability of 470°C in nitrogen atmosphere at 50% decomposition. The available thermal data suggest that the polyester undergoes thermal decomposition by a pyrolytic cleavage involving the ester linkage with the formation of ketene and phenol ended groups as intermediates. © 1996 John Wiley & Sons, Inc.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
  • 2
    Electronic Resource
    Electronic Resource
    Melt rheology parameters of ethylene-vinyl acetate copolymer modified with 3-(tetrabromopentadecyl) 2,4,6-tribromo phenol (1996)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 61 (1996), S. 981-987 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Processability characteristics of ethylene-vinyl acetate (EVA) copolymer formulations modified with a flame-retardant 3-(tetrabromopentadecyl) 2,4,6-tribromo phenol (TBPTP) have been studied on a Brabender Plasticorder at various shear rates and temperatures. The plasticizing effect of TBPTP on EVA has been confirmed by the increase in flow behavior index and decreases in melt viscosity, melt elasticity, and activation energy of melt flow. The improvement in processability of the TBPTP-modified EVA over the unmodified sample was reflected in a reduction in power consumption during mixing of the former. The study was undertaken because of the potential of TBPTP-modified EVA for application in flame retardant low smoke (FRLS) cable sheathings. © 1996 John Wiley & Sons, Inc.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
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