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  • Articles  (2)
  • Polymer and Materials Science  (2)
  • Wiley-Blackwell  (2)
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  • 1935-1939
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  • Articles  (2)
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  • Wiley-Blackwell  (2)
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  • 1990-1994  (1)
  • 1985-1989  (1)
  • 1935-1939
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  • 1
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 30 (1985), S. 1707-1715 
    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: The effect of 60CO gamma radiation on polypropylene and glass-fiber-reinforced polypropylene was investigated. The glass fiber content in the reinforced polypropylene was observed to influence the mechanical properties of the original polypropylene. The initial modulus and off-set yield strength (at 0.25% strain) increased with the dose and glass fiber content. The tensile strength showed an initial decrease with the increase in glass fiber content followed by an increasing trend. A similar behavior was found with increasing dosage. The extent of fiber breakage during processing was higher at higher glass fiber content. However, the fiber length distribution became narrower beyond 2.45% glass fiber content in the polypropylene.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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  • 2
    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: Viscose rayon, like many other cellulosic materials, has a thermal decomposition reaction. The rate of change of weight loss of this material is very high at a narrow range of temperatures. When viscose rayon is impregnated with inorganic additives, there is a shift in the temperature of maximum rate of weight loss (Tmax) towards the lower side of the temperature. This effect, due to the addition of ammonium chloride, calcium chloride, and a mixture of calcium chloride and ammonium chloride, was studied in the temperature range 200-400°C through thermogravimetry and the changes observed in the values of activation energy, order of reaction, and char yield are presented in this paper.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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