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AuthorsHTML:\r¸ßÈðêÆ£¬³Â ¾²\r
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AuthorsListE:\rGao Ruichang£¬Chen Jing\r
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AuthorsHTMLE:\rGao Ruichang£¬Chen Jing\r
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Unit:\rÌì½ò´óѧ»¯¹¤Ñ§Ôº Ìì½ò 300072\r
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Unit_EngLish:\rSchool of Chemical Engineering and Technology£¬Tianjin University£¬Tianjin 300072£¬China\r
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Abstract_Chinese:\r \r\r\rÒÔ¹ýÁòËáï§\r(\rAPS\r)\rΪÑõ»¯¼Á£¬²ÉÓÃԭλ»¯Ñ§Ñõ»¯·¨ÖƱ¸³öÇ×Ë®ÐԵľ۱½°·\r-\rÃÉÍÑÍÁ\r(\rPANI\r-\rMMT\r)\r²å²ãÄÉÃ׸´ºÏÎï\r£®\rͨ¹ý¹²»ìµÄ·½Ê½½«\rPANI\r-\rMMT\rÌí¼Óµ½\rPVDF/PVP K30/NMP\rÖýĤÌåϵÖУ¬ÀûÓýþû³ÁµíÏàת»¯·¨ÖƱ¸³ö\rPANI\r-\rMMT\r¸ÄÐÔ\rPVDF\rƽ°å³¬ÂËĤ£¬ÏµÍ³¿¼²ìÁË\rPANI\r-\rMMT\rÌí¼ÓÁ¿¶ÔĤ½á¹¹ºÍÐÔÄܵÄÓ°Ïì\r£®\rºìÍâ¹âÆ×\r(\rFT-IR\r)\rºÍ\rX\rÉäÏßÑÜÉä\r(\rXRD\r)\r½á¹û±íÃ÷£¬¾Û±½°·\r(\rPANI\r)\r²å²ãµ½ÃÉÍÑÍÁ\r(\rMMT\r)\rµÄ²ã×´¼ä϶ÖУ»É¨Ãèµç¾µ\r(\rSEM\r)\rºÍÔ­×ÓÁ¦ÏÔ΢¾µ\r(\rAFM\r)\r½á¹ûÏÔʾ£¬¸ÄÐÔĤÄÚ²¿Ö¸×´¿×ÊýÁ¿Ôö¼Ó£¬Ä¤±íÃæ´Ö²Ú¶ÈÔö´ó£»¿×϶ÂÊ¡¢½Ó´¥½Ç¡¢Ë®Í¨Á¿¼°Å£ÑªÇåµ°°×\r(\rBSA\r)\r½ØÁô²âÊԵȱíÃ÷£¬Ìí¼Ó\rPANI\r-\rMMT\rºó£¬\rPVDF\rĤµÄÇ×Ë®ÐÔÄÜÏÔÖøÌáÉý£¬µ±Ìí¼ÓÁ¿Îª\r\r\r\r\r\r\r0.5\r\r\r\r\r\r%\r\r ʱ£¬´¿Ë®Í¨Á¿´ïµ½×î´óÖµ445.86L/(m²¡¤h)£®¸ÄÐÔĤ¶ÔBSAµÄ½ØÁôÂÊÎÞÃ÷ÏԱ仯£¬¾ù¿É±£³ÖÔÚ90%ÒÔÉÏ£»ÈÈÖØ·ÖÎöÏÔʾ£¬¸ÄÐÔĤ¾ßÓÐÔöÇ¿µÄÈÈÎȶ¨ÐÔ£¬ÔÚ600¡æÌõ¼þϲ»Ò׷ֽ⣻´ËÍ⣬¾­PANI-MMT¸ÄÐÔµÄPVDF³¬ÂËĤµÄͨÁ¿»Ö¸´ÂÊ(FRR)ÏÔÖøÌá¸ß£¬5¸öÑ­»·µÄ¿¹ÎÛȾÐÔÄܲâÊÔºó£¬M2Ĥ(PANI-MMTÌí¼ÓÁ¿Îª0.5%)µÄFRRÈÔ±£³ÖÔÚ85%ÒÔÉÏ£¬ÏÔʾ³öÁ¼ºÃµÄ¿¹ÎÛȾÎȶ¨ÐÔÄÜ£®\r
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Abstract_English:\r \r\r\rIn the current study\r£¬\rPANI-MMT nanocomposites were synthesized by in situ chemical oxidative polymerization with ammonium persulfate \r(\rAPS\r)\r as an oxidant. PANI-MMT was added to the PVDF/PVP K30/NMP casting solution through blending and then the PANI-MMT modified PVDF plate UF membrane were prepared by an immersion precipitation phase inversion method. The effect of PANI-MMT contents on the membrane structure and performance was investigated systematically. Fourier transform infrared spectrum \r(\rFT-IR\r)\r and X-ray diffraction\r(\rXRD\r)\r analysis show that PANI has been intercalated into the layered structure of MMT. Scanning electron microscope \r(\rSEM\r)\r and atomic force microscope \r(\rAFM\r)\r images indicate that the number of finger-like pores and surface roughness of the modified membranes both increased. The results of the porosity, contact angle\r£¬\rwater flux and bovine serum protein \r(\rBSA\r)\r retention test show that the hydrophilicity of modified PVDF membranes were improved remarkably. When the addition of PANI-MMT was 0.5%\r£¬\rthe pure water flux of the composite membrane reached a maximum of 445.86 L/\r(\rm²\r¡¤\rh\r)\r. There is no significant change in the retention rate of BSA by modified membranes\r£¬\rwhich remains above 90%. Results of TGA show that the modified membrane had enhanced thermal stability\r£¬\rwhich was difficult to decompose at 600¡æ. Furthermore\r£¬\rthe flux recovery rate\r(\rFRR\r)\r of the modified membranes were significantly increased. The FRR of M2\r(\r0.5% PANI-MMT content\r)\r remained above 85% after five anti-fouling tests\r£¬\rwhich demonstrates good anti-pollution stability.\r
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Keyword_Chinese:PANI-MMT ÄÉÃ׸´ºÏÎPVDF³¬ÂËĤ£»Ç×Ë®ÐÔ£»¿¹ÎÛȾÐÔÄÜ\r

Keywords_English:PANI-MMT nanocomposites£»PVDF UF membrane£»hydrophilicity£»antifouling performance\r


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