Metal-containing monomers, thermolysis

A rare case is copolymerization of several different MCMs. Ihe resulting polymers can contain mixed units of various types. This is particularly true for the development of high-temperature superconducting (HTSC) ceramics that are based on synthesized prepolymers. One of the methods that is used is the copolymerization of MCM acrylates (and perhaps maleinates) or acrylamide complexes ofY, Ba, or Cu and the synthesis of superconducting bismufli cuprates (e.g., Bi2Sr2Ca -i Cu 02n+4-5 where n = l-3) by copolymerization of the corresponding metal-containing monomers. Thermolysis of these polymeric precursors affords a finely... 

There are several modes for the frontal polymerization of metal-containing monomers. One such mode is polymerization in a high-temperature burning regime. This method is followed by thermolysis of the products to obtain metal-containing composites that include nano-sized materials. The kinetic peculiarities of high-temperature pyrolysis of the Co(II) acrylamide complex have been studied [84], The rate of the process is approximately satisfied by a first-order equation of autocatalysis (Eq. 4-26), where k = 4.2-10 exp[-24,000/(7 )] (s ), 0 l.910 ... 

Polymers containing Hf(TV) in the main chain or side chains can be prepared by any of the known processes for synthesis of metal-containing polymers. An attractive approach is the polycondensation of dicyclo-pentadienyl derivatives of hafnium(IV) with diols or oxygen-free diacetylenic hgands. An alternative approach is polymerization of the Hf(TV) monomers with (meth)acrylate and fumarate groups, synthesized for the first time in this study. We investigated the thermolysis of the synthesized... 

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