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Thermal stability ofin situfilled siloxane elastomers

机译：Thermal stability ofin situfilled siloxane elastomers

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AbstractPoly(dimethylsiloxane) elastomers that had been filled within situprecipitated silica were studied by thermogravimetric analysis, under nitrogen and in air. Both types of measurements indicated that the filler raises the temperature of thermooxidative degradation of the polymer, possibly by inactivating the terminal OH groups on the chains. Commercial fume silica was found to cause more severe degradation problems than did thein situprecipitated silica. In all cases, the degradation was more pronounced in air than in the inert atmosphere provided by nitrogen. © 1992 John WileySons, I

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