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Synthesis and characterization of Tertronic-PCL copolymer
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Synthesis and characterization of Tertronic-PCL copolymer
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FT-IR, ©öH-NMR, Fluorescent¸¦ ÀÌ¿ëÇÏ¿© ÇÕ¼º¹°ÁúÀÎ Tetronic-PCLÀ» ºÐ¼®Çغ»´Ù.
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1) Tetronic-PCL ÇÕ¼º
¿ì¼± ¼ø¼öÇÑ TetronicÀ» ¾ò±â À§ÇØ Tetronic?1307À» Á¤Á¦ÇÑ´Ù.
Á¤Á¦µÈ Tetronic 2.16 g °ú ¥å-caprolactone 0.317 g °ú
Stannous octoate 0.014 g À» Á¤·®ÇÏ¿© amplue¿¡ ´ã´Â´Ù. (1/5 scale)
AmpuleÀ» Áø°ø»óÅ·Π30ºÐµ¿¾È ¹æÄ¡ÇÑ ÈÄ torch¸¦ ÀÌ¿ëÇØ ampuleÀ» ¹ÐºÀÇÑ´Ù.
¹ÐºÀµÈ ampuleÀ» 110¡Æc ·Î setting µÈ
oil bath¿¡ ³Ö°í 20½Ã°£ µ¿¾È ¹ÝÀÀ½ÃŲ´Ù.
¹ÝÀÀ Á¾·á ÈÄ ¹ÝÀÀ¹°À» chloroform¿¡ ³ìÀÌ°í
diethyl ether¸¦ »ç¿ëÇÏ¿© ħÀüÀ» Àâ´Â´Ù.
ħÀü¹°À» vacuum oven¿¡¼ ÇÏ·ç ÀÌ»ó °ÇÁ¶½ÃÄÑ ¿ë¸Å¸¦ Á¦°ÅÇÑ´Ù.
?? ÇÕ¼º scheme
2) FT-IR ÃøÁ¤
Á¤Á¦µÈ TetronicÀ» KBr°ú ¼¯Àº ÈÄ °ö°Ô °£´Ù.
(Sample½Ã·á¿Í KBrÀÇ ¾çÀº 1:5~ 1:10 ºñÀ²·Î ¼¯¾î ÁØ´Ù.)
°ö°Ô °¥Àº °íü°¡·ç¸¦ ¾ÐÃà±â¿¡ ´ã°í lab¡¦(»ý·«)
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