| 摘要 |
A method for the preparation of an organopolysiloxane which contains in each molecule at least one phenyl group and at least one silicon-bonded hydrogen atom is disclosed, said method comprising reacting (I) an organopolysiloxane having a molecular weight not exceeding 100,000 and containing in each molecule at least one phenyl group and at least one alkoxy group with (II) 1,1,3,3-tetramethyldisiloxane, wherein the reaction is carried out in the presence of an aqueous hydrochloric acid solution, this aqueous solution preferably further comprising an alcohol.
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