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生物可分解性共聚酯與聚碳酸酯摻合系統之交酯化反應研究 = Transes...

國立高雄大學化學工程及材料工程學系碩士班

生物可分解性共聚酯與聚碳酸酯摻合系統之交酯化反應研究 = Transesterification in Blends of Biodegradable Copolyester and Polycarbonate

紀錄類型:	書目-語言資料,印刷品 : 單行本
並列題名:	Transesterification in Blends of Biodegradable Copolyester and Polycarbonate
作者:	許耀文,
其他團體作者:	國立高雄大學
出版地:	[高雄市]
出版者:	撰者;
出版年:	民99[2010]
面頁冊數:	223面圖，表 : 30公分;
標題:	生物可分解性共聚酯
標題:	biodegradable copolyester
電子資源:	http://handle.ncl.edu.tw/11296/ndltd/60490490156551768465
摘要註:	生物可分解性共聚酯－Poly(butylene adipate-co-butylene terephthalate) ( P(BA-co-BT), Ecoflex○R)與聚碳酸酯－Poly(bisphenol A carbonate) (PC)摻合系統之相型態、熱行為及交酯化反應以微分掃描熱卡計(DSC)、光學顯微鏡(OM)、傅立葉紅外線光譜儀(FT-IR)、掃描式電子顯微鏡(SEM)與液態核磁共振光譜儀(1H-NMR)來研究。為了瞭解共聚酯P(BA-co-BT)與PC摻合系統之特性，研究中亦探討均聚合物摻合系統－PBA/PC及PC/PBT之相型態、熱行為及交酯化反應機制。由相型態及熱行為分析結果，P(BA-co-BT)/PC及PBA/PC摻合系統呈現均勻相及單一玻璃轉移溫度之相容系統，以Florry Huggins equcation計算P(BA-co-BT)/PC分子作用力參數χ12值分別為χ12=－0.149 (PC結晶熔融峰為基準)或是χ12 =－0.022 (P(BA-co-BT)結晶熔融峰為基準)；PBT/PC摻合系統則呈現非均勻相及兩個玻璃轉移溫度之部分相分離系統。此外，P(BA-co-BT)/PC、PBA/PC摻合系統於260℃熱處理及P(BA-co-BT)/PC、PBA/PC及PBT/PC摻合系統於285℃熱處理後，皆呈現均一相DSC且玻璃轉移溫度皆有增加趨勢，表示摻合系統經過熱處理後，產生特殊之化學交互作用力。PBT/PC摻合系統於260℃熱處理之熱行為及相型態均無變化，但是在285℃熱處理後之相分離系統轉變為單一相及單一玻璃轉移溫度之相容性系統。研究結果顯示P(BA-co-BT)/PC摻合系統存在著一特殊之溫度選擇性之雙交酯化反應，較低溫度260℃熱處理樣品時，PC只與P(BA-co-BT)共聚酯中之BA鏈段行交酯化反應；較高溫度285℃熱處理樣品時，PC則可與P(BA-co-BT)共聚酯中之BA及BT鏈段行交酯化反應。研究中亦以FTIR及NMR分析P(BA-co-BT)/PC、PBA/PC及PBT/PC摻合系統於260℃與285℃之特殊化學交互作用力－交酯化反應，並提出其交酯化反應機制。 Miscibility and Tranesterification of the Poly(butylene adipate-co-butylene terephthalate)/Poly(bisphenol A carbonate) (P(BA-coBT)/PC) blends were investigated by differential scanning calorimetry (DSC)、optical microscopy (OM)、Fourier transform infrared spectroscopy (FT-IR)、scanning electron microscopy (SEM) and nuclear magnetic resonance (NMR). In order to understand properties of P(BA-co-BT)/PC blends, miscibility, thermal behavior, and transesterification of the homopolymers blends, poly(1,4-butylene adipate)/poly(bisphenol A carbonate) (PBA/PC) and poly(1,4-butylene terephthalate)/ poly(bisphenol A carbonate) (PBT/PC) blends were also investigated in the study. The result of phase morphology and thermal analyes revealed that the P(BA-co-BT) and PBA/PC exhibited a homogeneous phase and a composition-dependent glass transition temperature (Tg), indicating the blends were miscible. In the P(BA-co-BT)/PC blends, the interaction parameterχ12 was -0.149 (for PC crystallization melting) or χ12 was -0.022 ( for P(BA-co-BT) crystallization melting). The PBT/PC blends exhibited a heterogeneous phase and two glass transition temperature (Tg), indicating the blend was immiscible. Moreover, the result of thermal analysis revealed that a homogeneous phase and the glass transition temperature (Tg) increased in the P(BA-co-BT)/PC and PBA/PC blends when it was heated at 260℃ and in the P(BA-co-BT)/PC、PBA/PC and PBT/PC blends when it was heated at 285℃. Apparently, there was a chemical interaction in the P(BA-co-BT)/PC、PBA/ PC and PBT/PC blends after heat treatment. Furthermore, the result of FT-IR and NMR revealed chemical interaction in the P(BA-co-BT)/PC、PBA/PC and PBT/PC blends. In the study, a special dual transesterification was proved in the P(BA-co-BT)/PC blends. The primary transesterification was found between the butylenes adipate segment of P(BA-co-BT) copolymer and the carbonate group of PC when the blends were heated at 260oC. The secondly transesterification was also detected between the butylenes terephthalate segment of the P(BA-co-BT) copolymer and the carbonate group of PC when the blends were heated at 285oC. Finally, the mechanisms of transesterification in the P(BA-co-BT)/PC、PBA/PC and PBT/PC were suggested in the study.

生物可分解性共聚酯與聚碳酸酯摻合系統之交酯化反應研究 = Transesterification in Blends of Biodegradable Copolyester and Polycarbonate
許, 耀文

生物可分解性共聚酯與聚碳酸酯摻合系統之交酯化反應研究 = Transesterification in Blends of Biodegradable Copolyester and Polycarbonate / 許耀文撰 - [高雄市] : 撰者, 民99[2010]. - 223面 ; 圖，表 ; 30公分.
參考書目：面.
生物可分解性共聚酯biodegradable copolyester

生物可分解性共聚酯與聚碳酸酯摻合系統之交酯化反應研究 = Transesterification in Blends of Biodegradable Copolyester and Polycarbonate
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330 $a 生物可分解性共聚酯－Poly(butylene adipate-co-butylene terephthalate) ( P(BA-co-BT), Ecoflex○R)與聚碳酸酯－Poly(bisphenol A carbonate) (PC)摻合系統之相型態、熱行為及交酯化反應以微分掃描熱卡計(DSC)、光學顯微鏡(OM)、傅立葉紅外線光譜儀(FT-IR)、掃描式電子顯微鏡(SEM)與液態核磁共振光譜儀(1H-NMR)來研究。為了瞭解共聚酯P(BA-co-BT)與PC摻合系統之特性，研究中亦探討均聚合物摻合系統－PBA/PC及PC/PBT之相型態、熱行為及交酯化反應機制。由相型態及熱行為分析結果，P(BA-co-BT)/PC及PBA/PC摻合系統呈現均勻相及單一玻璃轉移溫度之相容系統，以Florry Huggins equcation計算P(BA-co-BT)/PC分子作用力參數χ12值分別為χ12=－0.149 (PC結晶熔融峰為基準)或是χ12 =－0.022 (P(BA-co-BT)結晶熔融峰為基準)；PBT/PC摻合系統則呈現非均勻相及兩個玻璃轉移溫度之部分相分離系統。此外，P(BA-co-BT)/PC、PBA/PC摻合系統於260℃熱處理及P(BA-co-BT)/PC、PBA/PC及PBT/PC摻合系統於285℃熱處理後，皆呈現均一相DSC且玻璃轉移溫度皆有增加趨勢，表示摻合系統經過熱處理後，產生特殊之化學交互作用力。PBT/PC摻合系統於260℃熱處理之熱行為及相型態均無變化，但是在285℃熱處理後之相分離系統轉變為單一相及單一玻璃轉移溫度之相容性系統。研究結果顯示P(BA-co-BT)/PC摻合系統存在著一特殊之溫度選擇性之雙交酯化反應，較低溫度260℃熱處理樣品時，PC只與P(BA-co-BT)共聚酯中之BA鏈段行交酯化反應；較高溫度285℃熱處理樣品時，PC則可與P(BA-co-BT)共聚酯中之BA及BT鏈段行交酯化反應。研究中亦以FTIR及NMR分析P(BA-co-BT)/PC、PBA/PC及PBT/PC摻合系統於260℃與285℃之特殊化學交互作用力－交酯化反應，並提出其交酯化反應機制。 Miscibility and Tranesterification of the Poly(butylene adipate-co-butylene terephthalate)/Poly(bisphenol A carbonate) (P(BA-coBT)/PC) blends were investigated by differential scanning calorimetry (DSC)、optical microscopy (OM)、Fourier transform infrared spectroscopy (FT-IR)、scanning electron microscopy (SEM) and nuclear magnetic resonance (NMR). In order to understand properties of P(BA-co-BT)/PC blends, miscibility, thermal behavior, and transesterification of the homopolymers blends, poly(1,4-butylene adipate)/poly(bisphenol A carbonate) (PBA/PC) and poly(1,4-butylene terephthalate)/ poly(bisphenol A carbonate) (PBT/PC) blends were also investigated in the study. The result of phase morphology and thermal analyes revealed that the P(BA-co-BT) and PBA/PC exhibited a homogeneous phase and a composition-dependent glass transition temperature (Tg), indicating the blends were miscible. In the P(BA-co-BT)/PC blends, the interaction parameterχ12 was -0.149 (for PC crystallization melting) or χ12 was -0.022 ( for P(BA-co-BT) crystallization melting). The PBT/PC blends exhibited a heterogeneous phase and two glass transition temperature (Tg), indicating the blend was immiscible. Moreover, the result of thermal analysis revealed that a homogeneous phase and the glass transition temperature (Tg) increased in the P(BA-co-BT)/PC and PBA/PC blends when it was heated at 260℃ and in the P(BA-co-BT)/PC、PBA/PC and PBT/PC blends when it was heated at 285℃. Apparently, there was a chemical interaction in the P(BA-co-BT)/PC、PBA/ PC and PBT/PC blends after heat treatment. Furthermore, the result of FT-IR and NMR revealed chemical interaction in the P(BA-co-BT)/PC、PBA/PC and PBT/PC blends. In the study, a special dual transesterification was proved in the P(BA-co-BT)/PC blends. The primary transesterification was found between the butylenes adipate segment of P(BA-co-BT) copolymer and the carbonate group of PC when the blends were heated at 260oC. The secondly transesterification was also detected between the butylenes terephthalate segment of the P(BA-co-BT) copolymer and the carbonate group of PC when the blends were heated at 285oC. Finally, the mechanisms of transesterification in the P(BA-co-BT)/PC、PBA/PC and PBT/PC were suggested in the study.
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