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用于石油工業(yè)中的脫蠟過程<br /> <br /> <br/><img src="http://oss12.huangye88.net/live/2025/04/07/6c8fcd7ab1f8c00826dd3150fe8d10fa.jpg@750w_750h_90Q" /><br/> 間戊二酮（Methyl isobutyl ketone, MIBK）<br /> 化學(xué)式: C6H12O<br /> 分子量: 100.16 g/mol<br /> 結(jié)構(gòu)式: CH3-CO-CH2-CH(CH3)2<br /> <br/><img src="http://oss12.huangye88.net/live/2025/04/08/78fa99a34581840a76694ee3776ac6dc.jpg@750w_750h_90Q" /><br/>合成方法，其特征在于依次包括以下步驟：<br /> <br /> 在裝有精餾柱的三口瓶中，按照摩爾比l：l-1.1加入乙酰乙酸乙酯和乙酸酐，同時加入0.5-3.5%乙酸酐質(zhì)量的γ-氧化鋁，控制反應(yīng)溫度在125-150℃，將生成的乙酸乙酯從反應(yīng)體系中蒸出，在反應(yīng)6-8h后過濾回收γ-氧化鋁，然后再進行精餾并收集135～142℃的餾分得到乙酰丙酮；所述γ-氧化鋁的純度99%，比表面積170-190m2/g，粒徑30-50nm，松裝密度0.1-0.2g/cm3；<br /> <br /> 所述γ-氧化鋁的制備方法為：將氫氧化鋁低溫脫水生成Al2O3，再將Al2O3在90-110℃的溫度下干燥20-28h，然后在450-800℃焙燒1.5-2.5h，然后將焙燒后的氧化鋁研磨成粒徑為30-50nm。<br/><img src="http://oss12.huangye88.net/live/2025/04/03/5d972d3fe84cf17f71c0b8c1994ea311.jpg@750w_750h_90Q" /><br/>用途是有機合成中間體，與胍生成氨基-4,6-二甲基嘧啶，是重要的制藥原料。可作醋酸纖維素的溶劑，汽油及潤滑劑的添加劑，油漆和清漆的干燥劑、殺菌劑，殺蟲劑等。還可作為石油裂解、加氫反應(yīng)和羰基化反應(yīng)的催化劑，氧氣的氧化促進劑等?？捎脕砻摮嗫坠腆w中的金屬氧化物及用于處理聚丙烯觸媒等。在歐美國家50%以上用于牲畜止瀉藥和飼料添加劑。<br/><img src="http://oss12.huangye88.net/live/2025/04/07/dcbf279a126624bf27c1bec3c16766d1.jpg@750w_750h_90Q" /><br/>該物質(zhì)結(jié)構(gòu)中的亞甲基受鄰位兩個酮羰基的吸電子性質(zhì)影響表現(xiàn)出一定的酸性，中強堿的作用下發(fā)生去質(zhì)子化反應(yīng)得到相應(yīng)的碳負離子，該碳負離子具有較強的親核性可參與多種親核取代反應(yīng)。該物質(zhì)是一種酮式和烯醇式的混合體，這會異構(gòu)現(xiàn)象廣泛地存在于1,3-不飽和羰基類化合物中，并且可通過核磁共振等技術(shù)進行表征和鑒定。<br/>間戊二酮存在酮式和烯醇式，它在與金屬離子發(fā)生配位時一般認為是它的烯醇式進行的。其烯醇式結(jié)構(gòu)中的兩個氧原子的孤對電子對可與金屬中心進行二配位。</p></p> </div> <div id="jfllfnbh51" class="product-sort"> <p>所屬分類：<a title="有機化工原料">有機化工原料</a>/<a title="酮類化工原料">酮類化工原料</a></p> <p>本文鏈接：http://www.xinite.com/sell/info-2b452kr26df9b2.html</p> </div> </div> <div id="jfllfnbh51" class="product-details"> <h2 class="module-title"><i></i>我們的其他產(chǎn)品</h2> <div id="jfllfnbh51" class="product-details-cont"> <ul class="product-other"> <li> <a title="齊翔順酐含量：99.5%馬來酸酐"> <img src="http://oss12.huangye88.net/live/2025/04/10/b1f2400dac310417958a57e1fb1fd00e.jpg@4e_1c_350w_350h_90Q" alt="齊翔順酐含量：99.5%馬來酸酐"> <p class="product-other-tit">齊翔順酐含量：99.5%馬來酸酐</p> </a> <p>面議</p> <p>產(chǎn)品名：<span id="jfllfnbh51" class="product-other-sign">順酐,馬來酸酐</span></p> </li> <li> <a title="現(xiàn)貨四丁基溴化銨,優(yōu)級品,四丁基溴化胺"> <img src="http://oss12.huangye88.net/live/2025/04/08/af0f8a3e868fa39d637b1a3dd93dd301.jpg@4e_1c_350w_350h_90Q" alt="現(xiàn)貨四丁基溴化銨,優(yōu)級品,四丁基溴化胺"> <p class="product-other-tit">現(xiàn)貨四丁基溴化銨,優(yōu)級品,四丁基溴化胺</p> </a> <p>面議</p> <p>產(chǎn)品名：<span id="jfllfnbh51" class="product-other-sign">四丁基溴化銨,四丁基溴化胺</span></p> </li> <li> <a title="含量：99.9%己二胺山東現(xiàn)貨索爾維己二胺"> <img src="http://oss12.huangye88.net/live/2025/04/10/fcf4296fbf72412156ea49f42352d458.jpg@4e_1c_350w_350h_90Q" alt="含量：99.9%己二胺山東現(xiàn)貨索爾維己二胺"> <p class="product-other-tit">含量：99.9%己二胺山東現(xiàn)貨索爾維己二胺</p> </a> <p>面議</p> <p>產(chǎn)品名：<span id="jfllfnbh51" class="product-other-sign">己二胺</span></p> </li> <li> <a title="現(xiàn)貨三甘醇CAS：112-27-6三乙二醇"> <img src="http://oss12.huangye88.net/live/2025/04/10/fcf4296fbf72412156ea49f42352d458.jpg@4e_1c_350w_350h_90Q" alt="現(xiàn)貨三甘醇CAS：112-27-6三乙二醇"> <p class="product-other-tit">現(xiàn)貨三甘醇CAS：112-27-6三乙二醇</p> </a> <p><span id="jfllfnbh51" class="product-other-sign">9000</span>元</p> <p>產(chǎn)品名：<span id="jfllfnbh51" class="product-other-sign">三甘醇,三乙二醇</span></p> </li> <li> <a title="二甲基丙烯酰胺DMAACAS號2680-03-7"> <img src="http://oss11.huangye88.net/live/user/3842975/1733540951007832900-5.png@4e_1c_350w_350h_90Q" alt="二甲基丙烯酰胺DMAACAS號2680-03-7"> <p class="product-other-tit">二甲基丙烯酰胺DMAACAS號2680-03-7</p> </a> <p>面議</p> <p>產(chǎn)品名：<span id="jfllfnbh51" class="product-other-sign">N,N-二甲基丙烯酰胺,DMAA</span></p> </li> <li> <a title="二甲基乙酰胺DMAC127-19-5含量99.5%無色液體"> <img src="http://oss11.huangye88.net/live/user/3842975/1733791662068734400-5.jpg@4e_1c_350w_350h_90Q" alt="二甲基乙酰胺DMAC127-19-5含量99.5%無色液體"> <p class="product-other-tit">二甲基乙酰胺DMAC127-19-5含量99.5%無色液體</p> </a> <p>面議</p> <p>產(chǎn)品名：<span id="jfllfnbh51" class="product-other-sign">二甲基乙酰胺,二甲替乙酰胺,乙酰二甲胺,N，N-二甲基乙酰胺</span></p> </li> <li> <a title="芐基三乙基氯化銨含量99%白色晶體"> <img src="http://oss11.huangye88.net/live/user/3842975/1734742949089435000-5.jpg@4e_1c_350w_350h_90Q" alt="芐基三乙基氯化銨含量99%白色晶體"> <p class="product-other-tit">芐基三乙基氯化銨含量99%白色晶體</p> </a> <p>面議</p> <p>產(chǎn)品名：<span id="jfllfnbh51" class="product-other-sign">芐基三乙基氯化銨,氯化三乙基芐銨,三乙基芐基氯化銨,氯化芐基三乙胺</span></p> </li> <li> <a title="寧夏嘉峰雙氰胺含量99%二聚氰胺"> <img src="http://oss11.huangye88.net/live/user/3842975/1735001056029416600-0.jpg@4e_1c_350w_350h_90Q" alt="寧夏嘉峰雙氰胺含量99%二聚氰胺"> <p class="product-other-tit">寧夏嘉峰雙氰胺含量99%二聚氰胺</p> </a> <p>面議</p> <p>產(chǎn)品名：<span id="jfllfnbh51" class="product-other-sign">雙氰胺,二氰二氨,氰基胺,二聚氰胺</span></p> </li> </ul> </div> </div> <div id="jfllfnbh51" class="tis"><i class="icon 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