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  • 1
    Electronic Resource
    Electronic Resource
    Synthesis and characterization of bisacrylamide microgels containing sulfo groups (1985)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 186 (1985), S. 273-281 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Reactive microgels containing sulfo groups were prepared by copolymerization of N,N′-methylenediacrylamide (1) and 2-acrylamido-2-methylpropanesulfonic acid (2) in water. The composition of the microgels, their structure, density, molecular weight and viscosity in solution were examined depending on the composition of the monomer mixture and the reaction conditions.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1985.021860207
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  • 2
    Electronic Resource
    Electronic Resource
    Modified poly(ethylene-co-propene-co-1,4-hexadiene) (EPDM) bearing acetylacetonato groups and its chelate crosslinking with Fe(III) (1990)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 191 (1990), S. 1827-1841 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Acetylacetonato group-bearing poly(ethylene-co-propene-co-1,4-hexadiene) (EPDM) was prepared and its chelate by crosslinking reaction with ferric salts. The hydroiodination of residual double bonds in the EPDM terpolymer under phase-transfer conditions and the substitution of iodine atoms in the hydroiodinated EPDM by acetylacetonato groups were studied. The ligand exchange reactions of acetylacetone with ferric trifluoromethanesulfonate (Fe(TFS)3) or ferric chloride in THF were explored by UV/Vis spectroscopy to find optimum conditions for the formation of the chelate complex ferric acetylacetonate. The results indicate that these two ligand exchange reactions are equilibrium reactions, and the addition of an organic base such as triethylamine can make the reactions go to completion. The character of the anion in the ferric salts has a significant effect on the ligand exchange reactions, which may be attributed to the different dissociation tendency of Fe—X bonds. The ligand exchange reactions in the polymer systems were studied, and Fe(III)-chelate complex crosslinked EPDM elastogels with gel fractions higher than 90% were prepared. The mechanism of the chelate complex formation in the polymer systems is similar to that in model compound systems.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1990.021910809
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  • 3
    Electronic Resource
    Electronic Resource
    Studies on a novel polymeric coupling agent: 3-glycidoxypropyltrimethoxysilane-modified polycarbonate (1995)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 56 (1995), S. 1-8 
    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: A Novel polymeric coupling agent was synthesized through the reaction of polycarbonate (PC) and 3-glycidoxypropyltrimethoxysilane (GPS) in the presence of a quaternary ammonium salt. The reaction in the solid state gave a GPS-modified PC, which had a bimodel molecular weight distribution. The solutions of the GPS-modified PC were effective primers for promoting the adhesion of a siliceous abrasion-resistant coating to the PC substrate. © 1995 John Wiley & Sons, Inc.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1995.070560101
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