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How to Disperse Graphene in Water or Solvents Efficiently
±×·¡ÇÉ ºÐ»ê (Dispersion) ¿¡ ´ëÇÑ ¹®Àǰ¡ Áõ°¡ÇÔ¿¡ µû¶ó, ¿µ±¹ Silverson »ç´Â ÃÖ±Ù ±×·¡ÇÉÀ» ¾î¶»°Ô È¥ÇÕÇÒ °ÍÀΰ¡ (How to Mix Graphene) ¶ó´Â ÁÖÁ¦ÀÇ ¿µ»óÀ» °ø°³Çß½À´Ï´Ù.
±×·¡ÇÉ ¿¬±¸ Ãʱ⿡´Â, ½Ç¹ö½¼ High Shear Mixer °¡ Graphite (Èæ¿¬) ·ÎºÎÅÍ ±×·¡ÇÉÀ» ÃßÃâÇÏ´Â µ¥ »ç¿ëµÈ ¼º°øÀûÀÎ ±â¼ú Áß Çϳª¿´À¸¸ç, ÀÌ´Â Àü´Ü ¹Ú¸® (Shear Exfoliation) ¸¦ ÅëÇØ ÀÌ·ç¾îÁ³½À´Ï´Ù.
ÀÌ °øÁ¤¿¡¼´Â Rrotor-Stator Mixer ÀÇ High Shear ÈûÀ» ÀÌ¿ëÇÏ¿©, Defect-free, Few-Layer Graphene À» Solvent System ¶Ç´Â ƯÁ¤ °è¸éȰ¼ºÁ¦ ¾È¿¡¼ Graphite ·ÎºÎÅÍ ºÐ¸®Çس½À´Ï´Ù.
¿¬±¸°¡ ¹ßÀüÇÑ Áö±Ýµµ, Silverson Mixer ÀÇ High Shear Energy ´Â ½ÇÇè½Ç ±Ô¸ð¿¡¼ Graphene Formulation À» ¸¸µé ¶§ ¿©ÀüÈ÷ ÇÙ½ÉÀûÀÎ ¿ªÇÒÀ» Çϰí ÀÖ½À´Ï´Ù.
ÀÌ High Shear Energy ´Â ±×·¡ÇÉÀÌ È¥ÇÕ¹° Àüü¿¡ °í¸£°Ô ºÐ»êµÇµµ·Ï º¸ÀåÇØÁÖ¸ç, À̸¦ ÅëÇØ ¿øÇÏ´Â ÃÖÁ¾ Ư¼ºÀ» ¾òÀ» ¼ö ÀÖ°Ô ÇØÁÝ´Ï´Ù.
ÀÌ ¿µ»óÀº ¸Çü½ºÅÍ ´ëÇб³ (University of Manchester) ¿¡ À§Ä¡ÇÑ GEIC (Graphene Engineering Innovation Centre) ¿Í Çù¾÷ÇÏ¿© Á¦À۵Ǿú½À´Ï´Ù.
GEIC´Â ´Ù¾çÇÑ Graphene Formulation À» Çö¹Ì°æ ÇÏ¿¡¼ Å×½ºÆ®Çغ» °á°ú, ½Ç¹ö½¼ Laboratory Mixer ·Î ´Þ¼ºÇÑ ºÐ»ê ¼öÁØÀÌ ÀϹÝÀûÀÎ ½ÇÇè½Ç¿ë ±³¹Ý±âº¸´Ù ÈξÀ ¶Ù¾î³ª´Ù´Â »ç½ÇÀ» È®ÀÎÇß½À´Ï´Ù.
Silverson High Shear Mixer ´Â ±×·¡ÇɻӸ¸ ¾Æ´Ï¶ó, Pigments, Dispersants ±×¸®°í ´Ù¾çÇÑ Resins ±îÁöµµ È¿°úÀûÀ¸·Î ºÐ»ê½Ãų ¼ö ÀÖ¾î, Formulation Àü °úÁ¤¿¡ »ç¿ëÀÌ °¡´ÉÇÕ´Ï´Ù.
GEIC ÀÇ ÁÖ¿ä ¸ñÇ¥ Áß Çϳª´Â ½ÇÇè½Ç¿¡¼ ÀÌ·ç¾îÁø ¿¬±¸ °á°ú¸¦ ÆÄÀÏ·µ »ý»êÀ¸·Î È®´ëÇÏ¿© »ê¾÷°è°¡ ±×·¡ÇÉ Á¦Ç°À» »ó¿ëÈÇÒ ¼ö ÀÖµµ·Ï ¿¬°á °í¸®¸¦ ¸¸µå´Â °ÍÀÔ´Ï´Ù.
À̸¦ À§ÇØ GEIC´Â Production Scale ÀÇ Silverson Batch Mixer ¸¦ µµÀÔÇß½À´Ï´Ù. ÀÌ ÀåºñÀÇ µµÀÔÀº GEIC °¡ ´Ù¾çÇÑ »ê¾÷ ºÐ¾ßÀÇ ÆÄÆ®³Ê»çµé°ú Çù·Â ÇÁ·ÎÁ§Æ®¸¦ ¼öÇàÇÏ´Â ¹æ½Ä°ú,
±×µé¿¡°Ô ´ë·® »ùÇÃÀ» Á¦°øÇÏ´Â ¹æ½Ä¿¡ Å« º¯È¸¦ °¡Á®¿Ô½À´Ï´Ù. ¹èÄ¡ ¹Í¼¸¦ »ç¿ëÇÑ ÀÌÈÄ, GEIC ÀÇ »ý»ê ½Ã°£Àº ¸çÄ¥¿¡¼ ¸î ½Ã°£À¸·Î ´ÜÃàµÇ¾ú½À´Ï´Ù.
À§ ¿µ»óÀº Silverson Mixer ¸¦ ±×·¡ÇÉ ºÐ»ê¿¡ »ç¿ëÇÒ ¶§ÀÇ ÁÖ¿ä ÀÌÁ¡À» °£·«È÷ º¸¿©ÁÖ°í, GEIC °¡ ½ÇÇè½Ç¿¡¼ ´ë·® ¹èÄ¡·Î °øÁ¤À» ¾î¶»°Ô ¼º°øÀûÀ¸·Î È®ÀåÇß´ÂÁö¸¦ ¼Ò°³ÇÏ´Â ÇÏÀ̶óÀÌÆ® ¹öÀüÀÔ´Ï´Ù.
Àüü ¿µ»óÀº GEIC¿Í ¸Çü½ºÅÍ ´ëÇп¡¼ÀÇ ±×µéÀÇ ÀÛ¾÷¿¡ ´ëÇØ ´õ ¸¹Àº Á¤º¸¸¦ ´ã°í ÀÖ½À´Ï´Ù. Àüü ¿µ»ó°ú ±×·¡ÇÉ ºÐ»ê¿¡ ÀÖ¾î ½Ç¹ö½¼ ¹Í¼¸¦ »ç¿ëÇÏ´Â ¹æ¹ý¿¡ ´ëÇÑ ÀÚ¼¼ÇÑ ³»¿ëÀº
½Ç¹ö½¼ À¥»çÀÌÆ®ÀÇ ±×·¡ÇÉ ÀÀ¿ë º¸°í¼ (Graphene Application Report) ¿¡¼ È®ÀÎÇÏ½Ç ¼ö ÀÖ½À´Ï´Ù.

Scale Up from Laboratory to Production
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