頁籤選單縮合
題名 | 聚氨基甲酸酯/奈米銀複合聚合體之合成及其物性及抗菌性之研究=The Synthesis of Polyurethane/Silver Nanocomposites and Their Physical and Antibacteria Properties |
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作者 | 汪輝雄; 鄭閔中; | 書刊名 | 紡織綜合研究期刊 |
卷期 | 17:4 2007.10[民96.10] |
頁次 | 頁13-29 |
分類號 | 467.7 |
關鍵詞 | 奈米銀粒子; 聚氨基甲酸酯; 抗菌; Nano-silver particle; Polyurethane; Anti-bacterial; |
語文 | 中文(Chinese) |
中文摘要 | 本文主要以聚乙二醇 (PEG) (分子量1000和2000) 與硝酸銀 (AgNO3) 進行氧化還原反應,得到油性的奈米銀粒子,進一步討論固定硝酸銀含量而改變 PEG 分子量對於還原銀粒子的粒徑大小的影響。此外將合成出來的奈米銀粒子應用在聚胺基甲酸酯 (PU) 上賦予抗菌機能。由TEM與UV-VIS發現,奈米銀粒子已成功地製造出來。在合成過程中發現銀粒子的粒徑會隨著PEG分子量的增加而變大,此可能是PEG分子量增加時,分子鏈中-CH2CH2-基的數目增加而增加保護效果,然而分子鏈更長時 (分子量2000) 會導致高分子自身捲繞程度的增加而使保護效果變差。實驗所得的聚氨基甲酸酯/奈米銀複合聚合體,經FT-IR 與UV-VIS鑑定後,確定已成功地合成出聚氨基甲酸酯/奈米銀複合聚合體。含有銀粒子的PU薄膜其熱性質及機械性質會隨著銀粒子含量的增加而提升,且其抗菌性也隨著銀粒子含量的增加而增加。 |
英文摘要 | In this article, the silver nanoparticles were produced from silver nitrate using polyethylene glycol (molecular weight 1000 and 2000) as a reducing agent. We investigated the effect of polyethylene glycol (PEG) molecular weight to the stability and particle size distribution of silver particle. Moreover, the polyurethane/silver composite polymer was also synthesized. The reason for using polyethylene glycol as a reducing agent is due to its long chain structure which could form a steric effect to stabilize the nano-silver particle and prevent its agglomeration. From TEM and UV-VIS, the nano-silver particle was observed. As the molecular weight of PEG increased, the protective effect was enhanced by the increasing number of -CH2CH2O- groups in the polymer chain, but it reduced the protective capability by the coiling of polymer chain due to more increase of chain length (molecular weight 2000). From the FT-IR and UV-VIS, the polyurethane/silver composite polymer was found to be successfully synthesized. Thermal stability and the mechanical properties were significantly improved as the content of nano-silver particle was increased. The antibacterial stability was also improved as the content of nano-silver particle was increased. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。