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¿µÁøÄÚÆÛ·¹ÀÌ¼Ç Á¾ÇÕÄ«´Ù·Î±× |
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Introduction
»ö¼Ò´Â À¯±â ¶Ç´Â ¹«±â Âø»ö ¹°ÁúÀÌ´Ù. »ö¼Ò »ý»ê¿¡´Â Àû¿ëÀÇ ¿ëÀ̼º, »ö °µµ, ³»±¸¼º µî ¿©·¯ ±â¼úÀû ±âÁØÀÌ Àû¿ëµÇ¸ç, ÀÌ ¸ðµç ¿ä¼Ò´Â »ö¼Ò ÀÔÀÚÀÇ Å©±â¿Í ¹ÐÁ¢ÇÏ°Ô °ü·ÃµÇ¾î ÀÖ´Ù.
¿©±â¼´Â µÎ °³ÀÇ high-concentration pigment suspensions ÀÇ ÀÔÀÚ Å©±â¸¦ ÃøÁ¤Çϱâ À§ÇØ µ¿Àû ±¤ »ê¶õ (DLS) À» »ç¿ëÇÏ¿´´Ù.
»ùÇÃÀÇ ³ôÀº ³óµµ¿Í ³·Àº ±¤Åõ°úÀ² ¶§¹®¿¡, DLS ÃøÁ¤À» À§ÇØ ³»°æÀÌ 1mmÀÎ Capillary Sizing Cell À» sample cell ·Î »ç¿ëÇÏ¿´´Ù.
Experiment
ÀÔÀÚ Å©±â ÃøÁ¤À» À§ÇØ »¡°£»ö°ú ³ë¶õ»ö »ö¼Ò¸¦ ¹°¿¡ ¹Ì¸® ºÐ»ê½ÃÄ×´Ù. ÃøÁ¤ ¿Âµµ´Â 25 ¡¾ 0.1¡É·Î ¼³Á¤µÇ¾ú´Ù. °¢ »ùÇÃÀº °á°úÀÇ Ç¥ÁØ ÆíÂ÷¸¦ ¾ò±â À§ÇØ ÃÖ¼ÒÇÑ ¼¼ ¹ø¾¿ ÃøÁ¤µÇ¾ú´Ù.
Results and Discussion
µÎ »ö¼Ò »ùÇÃÀÇ »ó°ü ÇÔ¼ö´Â »ê¶õµÈ ºû ½ÅÈ£¸¦ ÅëÇØ °è»êµÇ¾ú´Ù.
Figure 1-26. Correlation functions of red pigment sample for six measurements.
Figure 1-27. Correlation functions of yellow pigment sample for six measurements.
±×¸² 1-26°ú ±×¸² 1-27¿¡¼ º¸¿©ÁöµíÀÌ, »ó°ü ÇÔ¼öÀÇ ¹Ýº¹¼ºÀº ¿ì¼öÇÏ¿© ÃøÁ¤ Áß »ùÇÃÀÌ ¾ÈÁ¤ÀûÀ¸·Î À¯ÁöµÇ¾úÀ½À» ³ªÅ¸³½´Ù.
»ùÇÃÀÇ »ö»óÀ̳ª °í³óµµ´Â ÃøÁ¤ °á°ú¿¡ ¿µÇâÀ» ¹ÌÄ¡Áö ¾Ê¾Ò´Ù.
Figure 1-28. Size distribution of red pigment sample
Figure 1-29. Size distribution of yellow pigment sample.
±×¸² 1-28°ú ±×¸² 1-29¿¡¼ º¼ ¼ö ÀÖµíÀÌ, »¡°£»ö°ú ³ë¶õ»ö »ö¼ÒÀÇ ÀÔÀÚ Å©±â ºÐÆ÷´Â ¸ðµÎ ³Ð¾úÀ¸¸ç, µÎ °³ÀÇ ÇÇÅ©°¡ °¨ÁöµÇ¾ú´Ù.
ÀÛÀº ÀÔÀÚÀÇ ÇÇÅ©´Â ¾à 40 nm¿¡ ÀÖ¾ú°í, Å« ÀÔÀÚÀÇ ÇÇÅ©´Â ¼ö¹é ³ª³ë¹ÌÅÍ¿¡ ÀÖ¾ú´Ù.
Table 1-6. Particle sizes of two pigment samples.
Table 1-6 ¿¡¼ ¾Ë ¼ö ÀÖµíÀÌ, µÎ »ö¼Ò »ùÇà ¸ðµÎ ³ª³ë¹ÌÅÍ Å©±â¿´À¸³ª, ³ë¶õ»ö »ö¼Ò »ùÇÃÀº »¡°£»ö »ö¼Ò »ùÇú¸´Ù ÀÔÀÚ Å©±â°¡ ´õ Å©°í, Å©±â ºÐÆ÷´Â ´õ Á¼¾Ò´Ù.
Conclusion
µÎ °³ÀÇ High Concentration Pigment (»¡°£»ö ¹× ³ë¶õ»ö »ùÇÃ) ÀÇ ÀÔÀÚ Å©±â°¡ ¼º°øÀûÀ¸·Î ÃøÁ¤µÇ¾ú´Ù.
Capillary Sizing Cell À» »ç¿ëÇÔÀ¸·Î½á, ³ôÀº ³óµµ¿Í ³·Àº Åõ°úÀ²À» °¡Áø »ùÇõµ ½Å·ÚÇÒ ¼ö ÀÖ°í Á¤È®ÇÑ °á°ú¸¦ ¾òÀ» ¼ö ÀÖ°Ô ºÐ¼®ÇÒ ¼ö ÀÖ¾ú´Ù.
Bettersize Sample Cells
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