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Abstract
AbstractPolyphosphazenes of formula [NP(OC6H4CN)x(OCH2CF3)2−x] (x = 0.04–2) were prepared. The copolymers were crosslinked via cyclotrimerization of the nitrilic function, using acid catalysts (chlorosulfonic acid, aluminum chloride) at elevated temperatures. The thermal properties of the crosslinked cyclomatrix polymer were compared to the linear polymer by thermogravimetric analysis and differential scanning calorimetry. When the 4‐cyanophenoxy‐2,2,2‐trifluoroethoxy ratios were less than 0.2, the crosslinked polymers were soluble in polar organic solvents.
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Schedule a callMore From: Journal of Polymer Science: Polymer Chemistry Edition
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