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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. ËÄܰïæ·ÒëÒ»ÏÂÕâ¶Î»°£¿ÊDz»ÊÇҪͨµªÆø£¿Èç¹û±ùÔ¡ÁË£¬ÄÇÓÖÈçºÎ¼ÓÎÂÄØ£¿ ÓÐЩ²»¶®£¬¹òÇó°ïÖú£¡Ð»Ð» |
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- ×¢²á: 2012-09-06
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