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According to molar ratio of 1:1, polymethylhydrosiloxane
and VTMO were mixed in ice-bath under vigorous mechanical
stirring. Chloroplatinic acid solutions (0.01 g) were
added slowly into the mixed solution under nitrogen inlet.
The reaction times continued for 2 h at room-temperature,
for 2 h at 40C, and for 12 h at 60C under mechanical stirring.
A straw yellow and transparent cross-linking agent was
obtained.
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