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6000噸阿司匹林的工藝設(shè)計畢業(yè)設(shè)計-全文預(yù)覽

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【正文】 ...................................................... 11 工藝流程原理 : ........................................................................................ 11 原料及產(chǎn)品的物化性質(zhì) ........................................................................ 11 原料醋酐物性 ..................................................................................... 11 產(chǎn)品阿司匹林物性 ............................................................................. 12 醋化反應(yīng) ................................................................................................... 13 主反 應(yīng)方程式 ..................................................................................... 13 副反應(yīng) ................................................................................................. 13 制備工藝 ..................................................................................................... 14 醋酐-醋酸法 ..................................................................................... 15 美國專利法 ......................................................................................... 17 催化劑 ........................................................................................................ 17 新型催化劑 ......................................................................................... 17 II 阿司匹林復(fù)方制劑 ................................................................................. 19 復(fù)方阿司匹林、雙嘧達(dá)莫緩釋片 ..................................................... 19 阿司匹林新劑型 ...................................................................................... 19 阿司匹林胃漂浮微球 ......................................................................... 19 阿司匹林口腔崩解片 ......................................................................... 20 阿司匹林包衣脈沖片劑的研究 ......................................................... 20 第三章 阿司匹林的藥理作用 ................................................................ 22 阿司匹林作用原理 ................................................................................. 22 乙?;饔煤退畻钏峄饔? .............................................................. 25 阿司匹林抵抗 .......................................................................................... 25 阿司匹林的廣泛用途 ............................................................................ 25 解熱、鎮(zhèn)痛、抗炎、抗風(fēng)濕作用 ..................................................... 26 防治心血管疾病 ................................................................................. 26 防治癌癥 ............................................................................................. 26 阿司匹林新用途 ...................................................................................... 27 臨床醫(yī)學(xué)新用途 ................................................................................. 27 農(nóng)業(yè)領(lǐng)域新應(yīng)用 ................................................................................. 28 副作用 ........................................................................................................ 29 胃腸道反應(yīng)及黏膜損傷 ..................................................................... 29 腎臟和肝臟毒性 ................................................................................. 29 阿司匹林性哮喘 ................................................................................. 29 瑞氏綜合征 ......................................................................................... 29 不良反應(yīng)的防范措施 ............................................................................ 29 合理用藥 ............................................................................................. 29 嚴(yán)格掌握劑量和療程 ......................................................................... 30 改革劑型 ............................................................................................. 30 III 研制阿司匹林衍生物以減少不良反應(yīng) ............................................. 30 第四章 制備阿司匹林的主要設(shè)備 ..................................................... 31 型離心機(jī) ........................................................................................... 31 產(chǎn)品結(jié)構(gòu)原理 ..................................................................................... 31 離心機(jī)主要技術(shù)參數(shù) ........................................................................... 31 反應(yīng)罐 ........................................................................................................ 31 反應(yīng)罐構(gòu)造原理、特點(diǎn): ................................................................. 31 反應(yīng)罐的主要性能參數(shù) ..................................................................... 33 干燥器 ........................................................................................................ 34 干燥器的反應(yīng)原理 ............................................................................. 34 干燥器的主要技術(shù)參數(shù) ..................................................................... 34 第五章 阿司匹林的工藝計算 ................................................................ 35 工藝計算 .................................................................................................... 35 溶解罐的物料衡算 ............................................................................. 35 ?;磻?yīng)罐的物料衡算 ....................................................................... 36 能量衡算 .................................................................................................... 37 反應(yīng)罐能量衡算 ................................................................................ 37 比熱容的計算 ..................................................................................... 38 能量衡算 ............................................................................................. 38 致 謝 ........................................................................................................................ 40 參考文獻(xiàn) ................................................................................................................ 41 4 摘 要 德國化學(xué)家 Felix Hoffmann 博士首次合成出乙酰水楊酸,由此引出了阿司 匹林的經(jīng)典傳奇。它能退燒止 痛、防治中風(fēng)與心臟病發(fā)作,同時還可以防治癌癥,治療結(jié)膜炎、老年癡呆癥、抗生素所致聽力障礙、腳癬、白內(nèi)障、偏頭痛、艾
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