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  • graft polymerization  (2)
  • reprocessing  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Thermal Oxidative Stability of Heat-Stabilised Polyamide 66 by Differential Scanning Calorimetry (1998)
    Springer
    Journal of thermal analysis and calorimetry 53 (1998), S. 19-26 
    Details
    ISSN: 1572-8943
    Keywords: differential scanning calorimetry ; glass fibre reinforced ; oxidative stability ; polyamide 66 ; reprocessing
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The thermal stability of heat-stabilised polyamide 66 in an oxidative environment is evaluated by DSC. The oxidative stability of the polyamide decreases as a result of repeated injection moulding. The results also indicate that the presence of glass fibres in the polyamide has a negative influence on the oxidative stability. Both isothermal and dynamic DSC measurements seem to be useful tools for assessing the stability of polyamides and there is a relationship between data determined using both procedures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1010145604993
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  • 2
    Electronic Resource
    Electronic Resource
    Graft polymerization of arcylamide onto LLDPE film by electron beam pre-irradiation in air or argon. I. Influence of dose, grafting temperature, and monomer concentration (1995)
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part A: Polymer Chemistry 33 (1995), S. 2039-2047 
    Details
    ISSN: 0887-624X
    Keywords: graft polymerization ; grafting rate ; grafting kinetics ; EB-irradiation ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Linear low density polyethylene (LLDPE) film was irradiated by electron beam in air or argon prior to grafting in aqueous solutions of acrylamide containing 0.05% of Mohr's salt. The grafting kinetics was studied with pre-irradiation doses in the range of 2.5-25 Mrad and in the temperature range of 40-70°C. Grafting rates and final degrees of grafting were higher for LLDPE pre-irradiated in air than for LLDPE pre-irradiated in argon. The overall activation energies for the grafting reaction were dose-dependent. Above 5 Mrad, the overall activation energies were higher for LLDPE pre-irradiated in argon which is interpreted as being due to crosslinking of the LLDPE. © 1995 John Wiley & Sons, Inc.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pola.1995.080331211
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  • 3
    Electronic Resource
    Electronic Resource
    Graft polymerization of acrylamide onto LLDPE film by electron beam pre-irradiation in air and argon. II. Influence of mohr's salt (1995)
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part A: Polymer Chemistry 33 (1995), S. 2049-2055 
    Details
    ISSN: 0887-624X
    Keywords: graft polymerization ; grafting rate ; electron beam irradiation ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: LLDPE film pre-irradiated by electron beam (EB) in air and argon was grafted in an aqueous acrylamide solution containing Mohr's salt in the concentration range 0.0025-2% The grafting rate and yield were strongly dependent on the Mohr's salt concentration, mainly as a result of chain termination. The exponential grafting rate dependence on the pre-irradiation dose was quite insensitive to a hundred-fold variation in Mohr's salt concentration. © 1995 John Wiley & Sons, Inc.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pola.1995.080331212
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