Abstract
AbstractA method for the first synthesis of high molecular weight carbonate‐containing siloxanylene polymers was successfully developed. The procedure covered the preparation and polymerization of pure carbonate‐containing bis‐silanols which included bis(4‐hydroxydimethylsilylphenyl)‐carbonate, bis[4‐(1‐hydroxy‐1,1,3,3‐tetramethyldisiloxanyl)‐phenyl] carbonate, and their meta analogs. Because conventional siloxane polymerization methods, such as the heterocondensation of bis‐silanols with diaminosilanes or homocondensation reactions catalyzed by alkali reagents, decomposed carbonate linkages, a new polymerization technique that involved the use of phosgene was used. The procedure was both facile and effective in the polymerization of other arylene bis‐silanols.
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