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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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- ³æºÅ: 1978447
- ×¢²á: 2012-09-06
- רҵ: ¸ß·Ö×Ӻϳɻ¯Ñ§
2Â¥2012-09-18 02:32:20
imxiaohuang
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- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 6
- Ìû×Ó: 5
- ÔÚÏß: 2.2Сʱ
- ³æºÅ: 1978447
- ×¢²á: 2012-09-06
- רҵ: ¸ß·Ö×Ӻϳɻ¯Ñ§
3Â¥2012-09-18 03:02:22
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- ×¢²á: 2012-04-30
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