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  • 1
    Electronic Resource
    Electronic Resource
    Interpenetrating polymer networks from polyurethanes and poly(methyl acrylate) (1991)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 43 (1991), S. 475-479 
    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: Simultaneous two-component interpenetrating polymer networks (IPNs) of polyurethane (PU)-poly(methyl acrylate) (PMA) were prepared, as well as the corresponding pseudo-IPNs. A comparison was made between the full IPNs, pseudo-IPNs, and the respective homopolymers. Their ultimate mechanical properties were obtained and the dynamic glass transition temperatures (Tg's) were found using a thermomechanical analyzer. At all compositions, a single Tg(except 50-50 wt %) was found.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1991.070430308
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  • 2
    Electronic Resource
    Electronic Resource
    Poly(2,6-dimethyl-1,4-phenylene oxide)/poly(dimethylsiloxane) system - Architecture and selected properties (1989)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 15 (1989), S. 137-145 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: We compare the ultimate mechanical properties and glass transition temperatures of various polyblends of poly(2,6-dimethyl-1,4-phenylene oxide) (PPO) and poly(dimethylsiloxane) (PDMS) including full and pseudo interpenetrating polymer networks (IPN), in which the PPO is crosslinked to different extent with both ethylenediamine and 1,6-hexanediamine. Most of the polyblends of this system exhibit at least microphase separation with domain size varying with both composition and architecture. The full IPN's have at certain compositions a higher tensile stress to break than the crosslinked pure polymer networks. Most polyblends also exhibit multiple glass transition temperatures.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1989.020151989114
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    Paper (German National Licenses)
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