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  • ladder polymer  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of thermal analysis and calorimetry 60 (2000), S. 371-376 
    ISSN: 1572-8943
    Keywords: ladder polymer ; multimonomer ; thermal analysis ; thermal stability
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Differential scanning calorimetry and thermogravimetry were used to examine the thermal behaviour of the multimonomers poly(2-methacryloyloxyethyl methacrylate) and poly(2-acryloyloxyethyl methacrylate), of the ladder polymers prepared by the template polymerization of these multimonomers, and of a linear analogue of the ladder polymers, poly(2-butyrylethyl methacrylate). The results obtained show that only one of the ladder polymers has a considerably higher thermal stability than that of their linear analogue.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part A: Polymer Chemistry 32 (1994), S. 295-300 
    ISSN: 0887-624X
    Keywords: multiacrylate ; template polymerization ; ladder polymer ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: By reacting poly (2-hydroxyethyl methacrylate) with acryloyl chloride, multiacrylate connected through a covalent bond with polymethacrylate chain (template) has been obtained. The free-radical polymerization of multiacrylate in dilute dioxane solutions at 75°C and 85°C was examined by IR spectrophotometry and the distribution of molecular weights of the resultant products was evaluated by gel permeation chromatography. The findings show that under selected conditions the polymerization proceeds along ordered acrylic double bonds on the template and results in a ladder-type polymer. At a temperature of 85°C, in addition to the intramolecular cyclopolymerization, intermolecular reactions proceed to a minor extent. © 1994 John Wiley & Sons, Inc.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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