| 摘要 |
The preparation of high-molecular weight, thermoplastic, linear and branched polyorganosilicic acid esters of the formula: <IMAGE> = 1 - 3 N = 100 - 500, PREFERABLY 180 - 300 FROM POLYVALENT PHENOLS AND/OR ALCOHOLS AND DIPHENYL SILANE ACCOMPANIED BY THE SEPARATION OF HYDROGEN ACCORDING TO THE EQUATION: <IMAGE> <IMAGE> wherein:
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