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  • 1
    Electronic Resource
    Electronic Resource
    Modification of poly(epichlorohydrin) with nadimide derivatives and their curing reaction (1994)
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part A: Polymer Chemistry 32 (1994), S. 829-840 
    Details
    ISSN: 0887-624X
    Keywords: chemical modification ; poly (epichlorohydrin) ; nadimide ; polyethers ; DSC ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Chemical modification of poly(epichlorohydrin) (PECH) with nadimide derivatives using 1,8-diazabicyclo (5.4.0)-7 undecene to catalyze the substitution of the chlorine atom by acid compounds (DBU method) was accomplished. The linear polyethers obtained showed a degree of substitution from 5-80%, depending on time and temperature reaction. The Tg of modified polymers and Ea, calculated in the cure reactions, increases with substitution degree. Residual enthalpies were observed in all cases, which suggests that the curing reaction is incomplete. TGA measurements showed that the degradation has a greater dependence on the modification degree than on the introduced pendant group. © 1994 John Wiley & Sons, Inc.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pola.1994.080320504
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  • 2
    Electronic Resource
    Electronic Resource
    Synthesis and crosslinking of polyethers with nadimide derivative pendant groups (1992)
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part A: Polymer Chemistry 30 (1992), S. 2379-2387 
    Details
    ISSN: 0887-624X
    Keywords: nadimide ; crosslinking kinetics ; polyethers ; differential scanning calorimetry ; thermogravimetric analyses ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Polyethers with nadimide derivatives pendent groups have been prepared by ring-opening polymerization of nadimide glycidyl derivatives. The structure of the linear polymers has been confirmed by spectroscopic methods. Properties such glass transition temperatures and thermal resistance have been measured and related to their chemical structure. Crosslinking studies have been carried out by DSC and TGA. Kinetic parameters could be obtained by dynamic method. The crosslinking causes an increase in Tg of the system and it has been possible to relate this increase to the chemical structure of the network. © 1992 John Wiley & Sons, Inc.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pola.1992.080301112
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