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特殊作用力對聚羥基酯類與丹寧酸摻合之形態與結晶影響 = Effect o...

國立高雄大學應用化學系碩士班

特殊作用力對聚羥基酯類與丹寧酸摻合之形態與結晶影響 = Effect of the specific interactions on morphology and crystallization of the poly(hydroxyalkanoates)/tannic acid blends

紀錄類型:	書目-語言資料,印刷品 : 單行本
並列題名:	Effect of the specific interactions on morphology and crystallization of the poly(hydroxyalkanoates)/tannic acid blends
作者:	陳柏樹,
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:	2008[民97]
面頁冊數:	207面圖，表 : 30公分;
標題:	聚羥基丁酯
標題:	miscibility
電子資源:	http://handle.ncl.edu.tw/11296/ndltd/02455646626174183009
附註:	指導教授：蘇進成
附註:	參考書目：面183-189
摘要註:	本研究主要利用微分掃描熱卡計(DSC)、偏光顯微鏡(POM)、傅立葉紅外線光譜儀(FT-IR)、掃描式電子顯微鏡(SEM)與廣角X-光繞射儀(WAXD)來探討聚羥丁酯/丹寧酸(poly(3-hydroxybutyric acid) /Tannic acid, PHB/TA)、聚羥基丁酯聚羥基戊酯/丹寧酸(poly(3-hydroxybutyric acid-co-3-hydroxyvaleric acid) (PHB8V/TA 與PHB12V/TA)摻合系統中特殊作用力對PHAs相形態、結晶與熱行為之影響。經由DSC分析結果此三系統皆為單一玻璃轉移溫度(Tg)，顯示此三系統均為相容性。並以SEM輔助觀察微觀相形態，結果顯示亦呈現單一相。使用Fox equation、Gordon-Taylor equation與Kwei equation描述Tg與方程式之關係，Gordon-Taylor equation之k值分別為PHB/TA (k=0.7)、PHB8V/TA (k=0.8)與PHB12V/TA (k=2.3)，顯示系統均為相容且存在極性官能基。Kwei equation之q值分別為PHB/TA (q=-14)、PHB8V/TA (q=11.8)與PHB12V/TA (q=55)，q為負值表示存在特殊作用力。傅立業紅外線光譜(FT-IR)進行分析，結果顯示PHAs/TA摻合系統中之carbonyl group之吸收峰位置（約在1703 cm-1位置）受一特殊作用力--氫鍵作用力影響而產生一新吸收峰，此氫鍵作用力之大小與摻合物中之PHAs與TA之相對組成量有關。摻合系統中氫鍵作用力大小以平衡熔點下降理論與Nishi-Wang equation求得之交互作用力能量密度(interaction energy density) ---B，此B呈現負值可用以描述氫鍵作用力強度，此三系統B值之相對強度大小分別為PHB12V/TA (B=-45.62 cal/cm3)、PHB8V/TA (B=-40.12 cal/cm3)以及PHB/TA (B=-23.4 cal/cm3)。偏光顯微鏡(POM)觀察PHAs/TA球晶形態分別皆呈現馬爾它十字(Maltes-cross)與消光環(ring-band)，當TA摻合組成增加與恆溫結晶溫度升高，由於PHAs與TA間之氫鍵作用力影響，其球晶晶板呈現扭曲與不規則形態。測量其球晶成長速率分別為Neat PHB＞PHB8V＞PHB12V，當PHV含量增加造成空間障礙而使結晶能力下降。摻合系統中當TA含量增加時其結晶速率快速下降，是由於PHB與TA之間氫鍵作用力上升所造成。 Miscibility and crystallization in blends of poly(3-hydroxybutyric acid) (PHB)、poly(3-hydroxybutyric acid-co-3-hydroxyvaleric acid) (PHB8V and PHB12V) with tannic acid (TA) were investigated by differential scanning calorimetry (DSC), polarized optical microscopy (POM), Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy ( SEM) and wide-angle x-ray diffraction (WAXD). The result of thermal analyses revealed that the PHB/TA、PHB8V/TA and PHB12V/TA exhibited a homogeneous phase and a composition-dependent glass transition temperature (Tg), indicating the blends were miscible. The dependence of the Tg on the composition of these blends was fitted by the Fox equation, Gordon-Taylor equation and Kwei equation. The results showed that the k value of G-T equation was PHB/TA (k=0.7)、PHB8V/TA (k=0.8) and PHB12V/TA (k=2.3), respectively. The k value of kwei equation was PHB12V/TA (B=-45.62 cal/cm3)、PHB8V/TA (B=-40.12 cal/cm3) and PHB/TA (B=-23.4 cal/cm3), respectively. Furthermore, SEM showed that the morphology of these blends was homogenous phase. To confirm the behavior of the specific interaction, FT-IR showed that a new absorbance peak at the wavenumber 1703 cm-1 appeared due to the feature of hydrogen bonding between carbonyl group of PHAs and hydroxyl group of TA. In the study, the strength of the specific interaction in a blend was described by its interaction energy density parameter

特殊作用力對聚羥基酯類與丹寧酸摻合之形態與結晶影響 = Effect of the specific interactions on morphology and crystallization of the poly(hydroxyalkanoates)/tannic acid blends
陳, 柏樹

特殊作用力對聚羥基酯類與丹寧酸摻合之形態與結晶影響 = Effect of the specific interactions on morphology and crystallization of the poly(hydroxyalkanoates)/tannic acid blends / 陳柏樹撰 - [高雄市] : 撰者, 2008[民97]. - 207面 ; 圖，表 ; 30公分.
指導教授：蘇進成參考書目：面183-189.
聚羥基丁酯miscibility

特殊作用力對聚羥基酯類與丹寧酸摻合之形態與結晶影響 = Effect of the specific interactions on morphology and crystallization of the poly(hydroxyalkanoates)/tannic acid blends
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330 $a 本研究主要利用微分掃描熱卡計(DSC)、偏光顯微鏡(POM)、傅立葉紅外線光譜儀(FT-IR)、掃描式電子顯微鏡(SEM)與廣角X-光繞射儀(WAXD)來探討聚羥丁酯/丹寧酸(poly(3-hydroxybutyric acid) /Tannic acid, PHB/TA)、聚羥基丁酯聚羥基戊酯/丹寧酸(poly(3-hydroxybutyric acid-co-3-hydroxyvaleric acid) (PHB8V/TA 與PHB12V/TA)摻合系統中特殊作用力對PHAs相形態、結晶與熱行為之影響。經由DSC分析結果此三系統皆為單一玻璃轉移溫度(Tg)，顯示此三系統均為相容性。並以SEM輔助觀察微觀相形態，結果顯示亦呈現單一相。使用Fox equation、Gordon-Taylor equation與Kwei equation描述Tg與方程式之關係，Gordon-Taylor equation之k值分別為PHB/TA (k=0.7)、PHB8V/TA (k=0.8)與PHB12V/TA (k=2.3)，顯示系統均為相容且存在極性官能基。Kwei equation之q值分別為PHB/TA (q=-14)、PHB8V/TA (q=11.8)與PHB12V/TA (q=55)，q為負值表示存在特殊作用力。傅立業紅外線光譜(FT-IR)進行分析，結果顯示PHAs/TA摻合系統中之carbonyl group之吸收峰位置（約在1703 cm-1位置）受一特殊作用力--氫鍵作用力影響而產生一新吸收峰，此氫鍵作用力之大小與摻合物中之PHAs與TA之相對組成量有關。摻合系統中氫鍵作用力大小以平衡熔點下降理論與Nishi-Wang equation求得之交互作用力能量密度(interaction energy density) ---B，此B呈現負值可用以描述氫鍵作用力強度，此三系統B值之相對強度大小分別為PHB12V/TA (B=-45.62 cal/cm3)、PHB8V/TA (B=-40.12 cal/cm3)以及PHB/TA (B=-23.4 cal/cm3)。偏光顯微鏡(POM)觀察PHAs/TA球晶形態分別皆呈現馬爾它十字(Maltes-cross)與消光環(ring-band)，當TA摻合組成增加與恆溫結晶溫度升高，由於PHAs與TA間之氫鍵作用力影響，其球晶晶板呈現扭曲與不規則形態。測量其球晶成長速率分別為Neat PHB＞PHB8V＞PHB12V，當PHV含量增加造成空間障礙而使結晶能力下降。摻合系統中當TA含量增加時其結晶速率快速下降，是由於PHB與TA之間氫鍵作用力上升所造成。 Miscibility and crystallization in blends of poly(3-hydroxybutyric acid) (PHB)、poly(3-hydroxybutyric acid-co-3-hydroxyvaleric acid) (PHB8V and PHB12V) with tannic acid (TA) were investigated by differential scanning calorimetry (DSC), polarized optical microscopy (POM), Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy ( SEM) and wide-angle x-ray diffraction (WAXD). The result of thermal analyses revealed that the PHB/TA、PHB8V/TA and PHB12V/TA exhibited a homogeneous phase and a composition-dependent glass transition temperature (Tg), indicating the blends were miscible. The dependence of the Tg on the composition of these blends was fitted by the Fox equation, Gordon-Taylor equation and Kwei equation. The results showed that the k value of G-T equation was PHB/TA (k=0.7)、PHB8V/TA (k=0.8) and PHB12V/TA (k=2.3), respectively. The k value of kwei equation was PHB12V/TA (B=-45.62 cal/cm3)、PHB8V/TA (B=-40.12 cal/cm3) and PHB/TA (B=-23.4 cal/cm3), respectively. Furthermore, SEM showed that the morphology of these blends was homogenous phase. To confirm the behavior of the specific interaction, FT-IR showed that a new absorbance peak at the wavenumber 1703 cm-1 appeared due to the feature of hydrogen bonding between carbonyl group of PHAs and hydroxyl group of TA. In the study, the strength of the specific interaction in a blend was described by its interaction energy density parameter
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