Title : Synthesis of Polycarbonate.
- BPA, DPC¸¦ ¹ÝÀÀ½ÃÄѼ Polycarbonate¸¦ ÇÕ¼ºÇÑ´Ù.
1. Scheme.
1). BPA
formula : (CH3)2C(C6H4OH)2
M.W : 228.29
scheme :
2). DPC
formula : (C6H5O)2CO
M.W : 214.22
scheme :
3). reaction.
A : BPA.
B : DPC.
C : polycarbonate.
P : phenol.
2. Reagent.
- plask¿¡ BPA, DPC, catalyts¸¦ ³Ö´Â´Ù.
1). BPA, DPC ³Ö´Â ¾ç.
¸ô¼öºñ - BPA : DPC = 1 : 1.1
À̹ø ½ÇÇè¿¡¼´Â BPAÀÇ ¸ô¼ö¸¦ 0.05 mol·Î ÇÑ´Ù.
BPA : 0.05 mol (0.05mol ¡¿ 228.29g/gmol = 11.4145g)
DPC : 0.055 mol (0.055mol ¡¿ 214.22g/gmol = 11.78g)
2). Catalysts ³Ö´Â ¾ç.
¸ô¼öºñ - À» ¸¸Á·ÇÑ´Ù.
µû¶ó¼ catalyst´Â,
[catalyst] = 0.05 ¡¿ 2.5 ¡¿ 10-4 = 1.25 ¡¿ 10-5 mol. ¸¸ÅÀÌ ÇÊ¿äÇÏ´Ù.
½ÇÇè¿¡ »ç¿ëµÇ´Â catalysts.
: NaOH, Tetramethylammonium hydroxide (TMAH),
Tetraethylammonium hydroxide (TEAH), Tetrapropylammonium hydroxide (TPAH),
Tetrabutylammonium hydroxide (TBAH), Tetrabutylphophonium ¡¦(»ý·«)
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