本論文第一部份進行PBAT與順丁烯二酸酐(MA)交聯(crosslink)之研究。對不同MA添加比例與薄膜性質分析，分別探討其交聯後薄膜之物理性質、化學性質與酵素分解性質，以作為生物可分解塑膠覆蓋膜之應用。第二部分將以糞生產鹼桿菌(Alcaligens faecalis) 分解PBAT膜(Poly(butylene adipate-co-terephthalate)，研究糞生產鹼桿菌生長週期與PBAT薄膜之分解條件。
PBAT與MA交聯後之薄膜，由IR觀察可知OH吸收峰消失，由拉力測試可知應力與楊氏系數皆增加，由AFM觀察可知粗糙度降低，由TGA與DSC可知材料之熱穩定性質增加且Tm無明顯上升，由SAXS可知PBAT/MA交聯薄膜不會改變原本PBAT之結晶結構。整體而言，PBAT與MA交聯後可提高PBAT薄膜之機械性質，增加在生物可分解環保薄膜方面之應用。糞生產鹼桿菌(Alcaligens faecalis)在NB培養基環境下於培養11小時後出現最大菌數，且在礦物質培養基(MM)環境下，兩週內將PBAT分解2.6%(重量損失百分率)。

First part of this dissertation is to study the crosslink reaction between PBAT and MA in order to apply to the study of the biodegradable membrane by analyzing the physical property, chemical property and biolysis of the membrane after adding different MA proportion o PBAT. Second part is to study the life cycle of Alcaligens faecalis and resolving condition of PBAT membrane by resolving the PBAT membrane (Poly (butylene adipate-co-terephthalate) by Alcaligens faecalis.
Under NB medium environment, the amount of Alcaligens faecalis reaches the maximum germs after 11 hours of culture. And Under the mineral medium (MM) environment, 2.6% (the percentage of loss of weight) of PBAT is resolved in two weeks. As of the PBAT membrane after crosslink reaction with MA, -OH peak disappears (observed by IR); both stress and Yang's modulus increase (by tension test); the roughness is reduced (observed by AFM); the heat stability property of the material increase while Tm does not to rise (by TGA and DSC); the original crystallization structure of PBAT is invariant after the crosslink reaction of PBAT/MA (by SAXS). In general, after PBAT/MA crosslink reaction, the mechanical property of PBAT membrane is improved so that expand the application in the biodegradable environmental protection membrane.

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