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¿µÁøÄÚÆÛ·¹ÀÌ¼Ç Á¾ÇÕÄ«´Ù·Î±× |
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Introduction
ÆÇÀç ¹× ÁÖ¼®ÆÇ ³Ã°£ ¾Ð¿¬ (sheet and tinplate cold mills) °øÀå ¿¡¼ »ý»ê¼º Áõ°¡, Á¦Ç° Ç°Áú Çâ»ó ¹× »ý»ê ºñ¿ë Àý°¨À» À§ÇØ
¿©·¯ ±â¼úÀû ¼Ö·ç¼ÇÀÌ Àû¿ëµÇ´Âµ¥ ´õ ³ôÀº ¾Ð¿¬ ¼Óµµ¿Í °¨¼ÒÀ², Ç¥¸é ź¼Ò¿Í ·Ñ ¸¶¸ð °¨¼Ò,
ÀÏ°üµÈ °øÀå ¼º´É µîÀÇ Solution Àû¿ë¿¡¼ À±È°À¯´Â ¸Å¿ì Áß¿äÇÑ ¿ªÇÒÀ» ÇÕ´Ï´Ù.
³Ã°£ ¾Ð¿¬ °øÁ¤¿¡ »ç¿ëµÇ´Â À±È°À¯´Â ÇϳªÀÇ emulsion ÇüÅ·μ Roll Bite ÀÔ±¸¿¡¼ ÀûÀýÇÑ µÎ²²ÀÇ Çʸ§À» Çü¼ºÇØ¾ß ÇÏ´Â °ÍÀÌ °¡Àå Áß¿äÇÑ Ã¹¹ø° Á¶°ÇÀÔ´Ï´Ù.
À±ÇÒÀ¯°¡ °®Ãß¾î¾ß ÇÒ µÎ¹ø ° Áß¿äÇÑ °ÍÀº ³·Àº ¸¶Âû°ú ·Ñ ¸¶¸ð °¨¼Ò µî°ú °°Àº oil ÀÇ º»ÁúÀû Ư¼ºÀ» °¡Á®¾ß ÇÑ´Ù´Â °ÍÀÔ´Ï´Ù..
STEP¢ç Technology ¿¡ ±â¹ÝÇÑ Multisample Analytical Centrifugation ±â¹ýÀº Emulsion Stability ¸¦ Á¤·®Àû Á¤¼ºÀûÀ¸·Î ºÐ¼®Çϴµ¥ ¸Å¿ì Ź¿ùÇÑ ÀåºñÀÔ´Ï´Ù.
ÀÌ Àåºñ¸¦ ÀÌ¿ëÇÑ °á°úµéÀº ÀüÅëÀûÀÎ ºÐ¼®¹æ¹ý°ú Á¤È®È÷ ÀÏÄ¡Çϸ鼵µ ºÐ¼®¼Óµµ°¡ ¸Å¿ì ºü¸£°í ÀûÀº ¾çÀÇ ½Ã·á¸¸ À־ ºÐ¼®ÀÌ °¡´ÉÇÑ Å« ÀåÁ¡ÀÌ ÀÖ½À´Ï´Ù.
¿©±â¼´Â °¢±â ´Ù¸¥ ¼ººÐÀ» °¡Áø ¼¼Á¾·ùÀÇ À±ÇÒÀ¯¸¦ ºÐ¼®ÇÏ¿´½À´Ï´Ù.
Monitoring of Destabilization Process for Lubricants
Lubricant 3, prepared with low homogenizer speed, measured 1000 sec at 11 xg, 45¡ÆC, every 10th profile displayed
À§ Åõ°úµµ ÇÁ·ÎÆÄÀÏ (Transmission Profile) Àº Oil-in-Water Emulsions ÀÇ ÀüÇüÀûÀÎ ¸ð½ÀÀ¸·Î¼ Continuous Phase Áï ¹°ÃþÀÌ ºÐ¸®µÇ°í ÀÖ´Â Çö»óÀ» º¼ ¼ö Àִµ¥
À̸¦ ÅëÇØ À±ÇÒÀ¯°¡ ¾î´À Á¤µµ ºÒ¾ÈÁ¤ÇÑÁö È®ÀÎÇÒ ¼ö ÀÖ½À´Ï´Ù.
¹°°ú Emulsion ÀÇ °æ°è¸éÀº Tube Cell ¹Ù´Ú¿¡¼ (position here 114 mm) »óºÎ·Î À̵¿ÇÏ°í ÀÖ´Ù´Â °ÍÀ» È®ÀÎÇÒ ¼ö ÀÖÀ¸¸ç ÀÌ·¯ÇÑ Separation Àº Contineous Acqueous Phase ³»ºÎ¿¡¼ oil droplet ÀÌ
Creaming µÇ¾î Áö´Â °ÍÀ» º¸°í È®ÀÎÇÒ ¼ö ÀÖ´Ù.
Fast Stability Ranking and Influence of Emulsion Preparation
À§ Transmission Profile À» base ·Î ÇÏ¿© Oil ÀÇ Droplet Á¤µµ¸¦ Integral Transmission Curves ¹æ½ÄÀ¸·Î Ç¥ÇöÇÒ ¼ö Àִµ¥ ÀÌ ¶§ Curve ÀÇ Ãʱ⠹üÀ§³» ±â¿ï±â°¡ Å©¸é Ŭ¼ö·Ï
À±ÇÒÀ¯ÀÇ ÃþºÐ¸®°¡ ´õ »¡¸® ÀϾ¹Ç·Î ÇØ´ç À±ÇÒÀ¯°¡ ´õ ºÒ¾ÈÁ¤ÇÏ´Ù´Â °ÍÀ» ÀǹÌÇÕ´Ï´Ù.
Fast evaluation of lubricant stability within 1000 sec at 11 xg, 45¡ÆC, determined with Integral transmission mode in the range 101-111 mm.
Lubricants prepared with high homogenizer speed.
±×·¯¹Ç·Î À§ 3°¡Áö À±ÇÒÀ¯ÀÇ Stability ¼ø¼´Â À±È°À¯ 1 (¾ÈÁ¤) > À±È°À¯ 2 > À±È°À¯ 3 (ºÒ¾ÈÁ¤) ÀÌ µË´Ï´Ù.
ÀÌó·³ 3Á¾·ù À±ÇÒÀ¯ÀÇ stability °¡ °¢±â ´Ù¸£°Ô ³ª¿À´Â ¿øÀÎÀ» È®ÀÎÇϱâ À§ÇØ À±ÇÒÀ¯ emulsion À» ¸¸µé ¶§ »ç¿ëÇÑ Homogenizer ÀÇ ¼Óµµ¸¦ ´Þ¸®ÇÑ ÈÄ ¾ÈÁ¤¼º ºÐ¼®À» ´Ù½Ã ÇÏ¿´´õ´Ï
µ¿ÀÏÇÑ °á°ú¸¦ ±¸ÇÒ ¼ö ÀÖ¾ú´Ù. Áï homogenizer ¼Óµµ¸¦ À±È°À¯ 1 (°¡Àåºü¸§) > À±È°À¯ 2 (Áß°£) > À±È°À¯ 3 (°¡Àå´À¸²) À¸·Î ó¸®ÇÏ¿´À» ¶§ ¼Óµµ°¡ ºü¸£¸é ºü¸¦ ¼ö·Ï À±ÇÒÀ¯ÀÇ Stability °¡ ÁÁ¾Ò´Ù.
Comparison with Conventional Emulsion Stability Index
Multisample Analytical Centrifugation ¹æ¹ý¿¡ ÀÇÇÑ À±ÇÒÀ¯½Ã·áÀÇ Stability ÀÇ ¼ø¼´Â ÀüÅëÀûÀÎ ¹æ¹ýÀ¸·Î ÃøÁ¤ÇÏ´Â Emulsion Stability Index (ESI) ¿Í ºñ±³ÇÏ¿´À» ¶§ µ¿ÀÏÇÑ °á°ú¸¦ º¸ÀÌ°í ÀÖ½À´Ï´Ù.
Summary
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Transmission Profile ¿¡¼ ¾Ë ¼ö ÀÖµíÀÌ ¸ðµç ½Ã·áÀÇ ÀÔµµ ºÐÆ÷´Â ¸Å¿ì ³Ð°Ô ºÐÆ÷ÇÏ°í ÀÖÀ¸¸ç ÀÔÀÚÀÇ Ç¥¸éÀûÀÌ Áõ°¡Çϸé ÇÒ¼ö·Ï ÀÔÀÚ Å©±â´Â °¨¼ÒÇÏ°í ÀÖ½À´Ï´Ù. |
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Å×½ºÆ®¸¦ ¿©·¯¹ø ¹Ýº¹ÇÏ¿©µµ µ¿ÀÏÇÑ °á°ú¸¦ º¸ÀÌ°í ÀÖ¾î Å×½ºÆ®ÀÇ ÀçÇö¼ºÀÌ ¸Å¿ì Ź¿ùÇÏ´Ù´Â °ÍÀ» ¾Ë ¼ö ÀÖ½À´Ï´Ù. |
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ºÐ¼®ÀåºñÀÇ ¼ÒÇÁÆ®¿þ¾îÀÎ SEPView¢ç ÇÁ·Î±×·¥Àº ½ÇÇè ÇÁ·ÎÅäÄÝ ¿Ü¿¡µµ ´Ù¾çÇÑ ºÐÆ÷ À¯Çü, Ç¥ÁØ ÆíÂ÷°ª °è»ê µî ¸Å¿ì ´Ù¾çÇÑ ½ÇÇèÀû ºÐ¼® µ¥ÀÌÅ͸¦ Á¦°øÇÕ´Ï´Ù. |
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SEPView¢ç ¼ÒÇÁÆ®¿þ¾îÀÇ ºÐ¼® ÇÁ·ÎÅäÄÝ ³»¿¡¼´Â ÃøÁ¤ ÇÁ·ÎÅäÄÝ, ´Ù¾çÇÑ ºÐÆ÷ À¯Çü, Á¶È Æò±Õ°ª, Ç¥ÁØ ÆíÂ÷, ÀûÇÕ ÇÔ¼ö µî Ãß°¡ ¼¼ºÎ »çÇ×À» Á¦°øÇÕ´Ï´Ù |
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