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- ·ÒëEPI: 161
- Ó¦Öú: 10 (Ó×¶ùÔ°)
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- ½ð±Ò: 30835.8
- É¢½ð: 2687
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- ×¢²á: 2010-04-14
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2Â¥2011-06-04 07:53:22
sltmac
ÈÙÓþ°æÖ÷ (ÖªÃû×÷¼Ò)
- ·ÒëEPI: 161
- Ó¦Öú: 10 (Ó×¶ùÔ°)
- ¹ó±ö: 4.557
- ½ð±Ò: 30835.8
- É¢½ð: 2687
- ºì»¨: 47
- ɳ·¢: 4
- Ìû×Ó: 5603
- ÔÚÏß: 633.8Сʱ
- ³æºÅ: 996442
- ×¢²á: 2010-04-14
- ÐÔ±ð: GG
- רҵ: ÎÞ»úÄÉÃ×»¯Ñ§
- ¹ÜϽ: ÂÛÎÄ·Òë
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scuccc(½ð±Ò+50, ·ÒëEPI+1): ÉñËÙ°¡£¬Ð»Ð»ÁË 2011-06-04 10:23:13
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ÓÉÓÚÄÉÃ×SiO2Á£×Ó×ÔÉíµÄÌØµãÔì³ÉÆäÔÚ¾ÛºÏÎï»ùÌåÖУ¬ÈÝÒ×·¢ÉúÍžÛÏÖÏ󣬶Ը´ºÏ²ÄÁÏÔì³É½á¹¹È±ÏÝ£¬Ó°Ï츴ºÏ²ÄÁϵÄÐÔÄÜ£¬ËùÒÔÒªÇó¶ÔÄÉÃ×SiO2Á£×ӵıíÃæ½øÐиÄÐÔ¡£Agglomeration of nano-SiO2 in poly-substrate will be induced due to the characteristic of SiO2 itself and the the property of composites will also be affected by the agglomeration, so it¡¯s necessary to modify the surface of nano-SiO2. ±¾ÊµÑé²ÉÓþ²µçÎü¸½×÷Ó㬽«Ñõ»¯Ê¯Ä«(GO)°ü¸²ÔÚSiO2Á£×Ó±íÃæ£¬ÖƵÃÄÉÃ×SiO2-GOÁ£×Ó¡£ SiO2-GO nanoparticles were fabricated by GO coated on the surface of nano-SiO2 based on the electrostatic absorption effect in our experiment. ͨ¹ýÈÜÒº·¨ÖƱ¸ÁËSiO2/PVDFºÍSiO2-GO/PVDFÁ½ÖÖÄÉÃ׸´ºÏ²ÄÁÏ¡£Ö÷ÒªÑо¿ÁËÉÏÊöÁ½ÖÖÄÉÃ׸´ºÏ²ÄÁϵÄÁ¦Ñ§ÐÔÄÜ£¬ÒÔ¼°SiO2ºÍSiO2-GOÁ½ÖÖÌîÁÏÓëPVDF»ùÌåµÄ½çÃæ×÷Óà SiO2/PVDF and SiO2-GO/PVDF nano composites were prepared via sol-gel method, the mechanical performance of nano composites and interfacial effect between SiO2, SiO2-GO and PVDF substrate were also investigated. Ñо¿½á¹û±íÃ÷£¬Ñõ»¯Ê¯Ä«(GO)¿ÉÒԽϺõİü¸²ÔÚSiO2?±íÃæ£¬½«ÆäÌî³äµ½PVDF»ùÌåÖУ¬¿ÉÒÔÓÐЧµØÌá¸ßSiO2-GO/PVDF¸´ºÏ²ÄÁϵÄÁ¦Ñ§ÐÔÄÜ£¬²¢ÇÒÄܹ»ÔöÇ¿ÌîÁÏÁ£×ÓÓëPVDFµÄÖ®¼äµÄ½çÃæÐ§Ó¦¡£ The results indicated that GO could well be coated on the surface of SiO2, meanwhile, the mechanical performance of SiO2-GO/PVD composite would be enhanced and the interfacial effect between filler particle and PVDF would also be improved by padding it into PVDF substrate. |

3Â¥2011-06-04 08:18:25









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