【正文】 ....................................................錯(cuò)誤 !未定義書簽。 實(shí)驗(yàn)儀器 ................................................................................................................15 實(shí)驗(yàn)內(nèi)容及方法 .....................................................................................................15 熱塑性淀粉的制備 ..............................................................................................16 熱塑性淀粉基納米復(fù)合材料的制備 ..................................................................16 性能測(cè)試與表征 ..............................................................................................16 力學(xué)性能 ..........................................................................................................16 耐油性能測(cè)試 ..................................................................................................16 SEM 測(cè)試 ..........................................................................................................16 XRD 測(cè)試 ..........................................................................................................16 3 結(jié)果與討論 ...............................................................................................................17 熱塑性淀粉基納米復(fù)合材料的力學(xué)性能測(cè)試結(jié)果 ............................................17 太原工業(yè)學(xué)院畢業(yè)論文 IV 增塑劑對(duì)淀粉復(fù)合材料的影響 .........................................................................17 聚乳酸對(duì)復(fù)合材料的影響 ..................................................................................18 小結(jié) ......................................................................................................................19 混合時(shí)間的影響 .......................................................................錯(cuò)誤 !未定義書簽。 熱塑性淀粉耐水性能 ........................................................錯(cuò)誤 !未定義書簽。 本文的研究 目的 為熱塑性淀粉 基納米復(fù)合 材料 制備及其性能研究 ， 為 制各綜合性能優(yōu)異的生物降解材料提供了理論和實(shí)踐基礎(chǔ)。淀粉的塑化是熱、剪切和增塑劑共同作用的結(jié)果，不能簡(jiǎn)單的考慮其中一種因素的作用。但是，熱塑性淀粉的力學(xué)性能和耐 油 性能較差，限制其作為材料使用。淀粉分子之間氫鍵作用強(qiáng)，限制了分子鏈的運(yùn)動(dòng)，因此淀粉不具備熱塑性加工的性能。太原工業(yè)學(xué)院畢業(yè)論文 I 畢業(yè)論文 設(shè)計(jì) 熱塑性淀粉基納米復(fù)合材料的制備及其性能研究 摘要 ： 淀粉是一種十分重要的天然高分子，具有來源廣泛、價(jià)格低廉和可生物降解等優(yōu)點(diǎn)，是制備生物可降解材料的理想原料。天然淀粉以淀粉粒的形式存在， 具有很高的結(jié)晶度 (2045％ )。通過添加分子的增塑劑，在熱和剪切的作用下可制備熱塑性淀粉材料。 目前， 大量的研究工作都集中在改善熱塑性淀粉的力學(xué)性能上 ， 本文使用 轉(zhuǎn)矩流變儀，在增塑劑的存在下制備了熱塑性淀粉。以水和甘油為增塑劑制備的 熱塑性淀粉 ， 再與聚乳酸共混，對(duì)熱塑性淀粉進(jìn)行改性，并對(duì)其進(jìn)行力學(xué)性能測(cè)試及其表征。 關(guān)鍵詞：熱塑性淀粉 ， 塑化 ， 聚 乳酸， 共混 ,， 復(fù)合材料 Thermoplastic starchbased nanoposites and their structure and properties Abstract: Starch is a very important natural polymer, has a wide variety of sources, low cost and biodegradable advantages, is the ideal raw material preparation of biodegradable materials. The natural starch to starch granules in the form of existence, has a high degree of crystallinity (2045%). Hydrogen bonds between starch molecules, limiting the movement of molecular chain, so the starch does not have the performance of thermoplastic processing. Add molecules of the plasticizer, the preparation of thermoplastic starchbased material under the action of heat and shear. However, the poor mechanical properties and water resistance of thermoplastic starch 太原工業(yè)學(xué)院畢業(yè)論文 II limit its use as a material. Currently, a large number of studies have focused on thermoplastic starch to improve the mechanical properties andoil article uses a torque rheometer, thermoplastic starch prepared in the presence of plasticizers. Starch plasticized heat, the result of both of shear and plasticizerscan not simply consider the role of one of the factors. Water and glycerol as plasticizer preparation of the TPS, and poly lactic acid blends, the preparation of posite materials, and test and Characterization of the mechanical properties. In this paper the results of further studies of thermoplastic starch materials prepared by each of the consolidated performance of biodegradable materials to provide a theoreticaland practical basis. Keywords:Thermoplastic , starch, Plasticizing,Polylactic acid,Composite materials 太原工業(yè)學(xué)院畢業(yè)論文 III 目 錄 1 前言 ..............................................................................................................................1 概述 ...........................................................................................................................1 生物降解塑料 ...........................................................................................................1 天然生物降解塑料 ................................................................................................2 化學(xué)方法合成生物降解塑料 ................................................................................2 微生物合成生物降解 塑料 ....................................................................................4 淀粉基生物降解材料的研究現(xiàn)狀 ...........................................................................5 物理改性 ................................................................................................................5 化學(xué)改性 ................................................................................................................5 熱塑性淀粉材料的研究現(xiàn)狀 ...................................................................................6 淀粉塑化機(jī)理及制備工工藝 ................................................................................7 熱 塑性淀粉流變性能 ........................................................................................9 熱塑性淀粉力學(xué)性能 ........................................................錯(cuò)誤 !未定義書簽。 熱塑性淀粉材料存在的問題 ..........................................................................15 本論文的研究目的及主要內(nèi)容 .............................................................................15 2 實(shí)驗(yàn)部分 ...................................................................................................................15 實(shí)驗(yàn)原料 ...................