Review
Review
Review
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∫∑§«“¡<br />
«“√ “√«‘∑¬“»“ µ√å ¡¢. ªï∑’Ë 39 ©∫—∫∑’Ë 1 61<br />
O<br />
O<br />
Sn<br />
O<br />
O<br />
√Ÿª∑’Ë 11 ‚§√ß √â“ß∑“߇§¡’¢Õß‚¡‡≈°ÿ≈ ·µππ— ÕÕ°‚∑‡Õ∑ (∑’Ë¡“: Gupta and Kumar, 2007)<br />
‚¥¬°“√‡°‘¥ªØ‘°‘√‘¬“æÕ≈‘‡¡Õ‰√‡´—π·∫∫<br />
‡ªî¥«ß·À«π·∫∫‚§ÕÕ√契‡π—π-°“√·∑√°· ¥ß„π<br />
√Ÿª∑’Ë 12 ‚¥¬¡’°“√‡°‘¥ coordination ¢Õß ·µππ—<br />
ÕÕ°‚∑‡Õ∑ “√ª√–°Õ∫‰Œ¥√Õ°´‘≈ ·≈–·≈§‰∑¥å<br />
°àÕπ°“√‡ªî¥«ß·À«π¢Õß·≈§‰∑¥å (Kricheldorf et al.,<br />
2000) πÕ°®“°π’Ȭ—ß¡’°“√‡ πÕ°≈‰°¢Õߪؑ°‘√‘¬“<br />
æÕ≈‘‡¡Õ‰√‡´—π·∫∫‡ªî¥«ß·À«π ∑’Ë¡’ ·µππ— ÕÕ°<br />
‚∑‡Õ∑ ·≈– “√ª√–°Õ∫‰Œ¥√Õ°´’≈‡ªìπ√–∫∫‡√‘Ë¡<br />
ªØ‘°‘√‘¬“ ‚¥¬¡’°“√‡°‘¥ ·µππ— Õ—≈§Õ°‰´¥å ∑’Ë¡’<br />
µ—«‡√‘Ë¡ªØ‘°‘√‘¬“∑’Ë·∑â®√‘ß„π°“√‡ªî¥«ß·À«π¢Õß<br />
·≈§‰∑¥å (Kowalski et al., 2000) ¥—ß· ¥ß„π√Ÿª∑’Ë 13<br />
æÕ≈‘·≈§‰∑¥å ∑’Ë —߇§√“–Àå “¡“√∂∑”„Àâ∫√‘ ÿ∑∏‘Ï®“°<br />
¡ÕπÕ‡¡Õ√å∑’ˬ—߉¡à‡°‘¥ªØ‘°‘√‘¬“ ·≈–‚Õ≈‘‚°‡¡Õ√å¥â«¬<br />
‡∑§π‘§°“√≈–≈“¬·≈–µ°µ–°Õπ ‚¥¬„â§≈Õ‚√øÕ√å¡<br />
·≈–πÕ√å¡Õ≈-‡Œ°‡´π‡ªìπµ—«∑”≈–≈“¬ ·≈–µ—«µ°<br />
µ–°Õ𠇪ìπµâπ<br />
H<br />
(Oct) 2 Sn O R<br />
O<br />
O<br />
Sn(Oct) 2<br />
+ R-OH +<br />
O<br />
O<br />
coordination<br />
-insertion<br />
O<br />
O<br />
O<br />
Stannous octoate Hydroxy compound Lactide<br />
O<br />
ROP<br />
Oct 2 Sn<br />
H<br />
O<br />
O<br />
CH-CO<br />
CH 3<br />
2<br />
R<br />
ROP<br />
+ n (Lactide)<br />
Oct 2 Sn<br />
H<br />
O<br />
O<br />
CH-CO R<br />
CH 3<br />
2n+2<br />
Poly(lactide)<br />
√Ÿª∑’Ë 12 ªØ‘°‘√‘¬“æÕ≈‘‡¡Õ‰√‡´—π·∫∫‡ªî¥«ß¢Õß·≈§‰∑¥å‚¥¬„â ·µππ— ÕÕ°‚∑‡Õ∑·≈– “√ª√–°Õ∫<br />
‰Œ¥√Õ°´‘≈‡ªìπ√–∫∫‡√‘Ë¡ªØ‘°‘√‘¬“ ‚¥¬°“√‡°‘¥ºà“π “√ª√–°Õ∫‡‘ß´âÕπ (∑’Ë¡“: Stridsberg et al., 2002)