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clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="2vzq94k" class="twoCol"><div id="o2uba8a" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_huagong/">化工</a>?<a href="http://www.cdcfah.com/cp/second-_sysqm/">實(shí)驗(yàn)室器皿</a>?<a href="http://www.cdcfah.com/cp/third-sysqm_qtsysyp/">其他實(shí)驗(yàn)室用品</a>?2-甲基四氫呋喃工廠有哪些上海蔚云化工供應(yīng)</p><div id="37wyne8" class="leftbox clearfix"><h1>2-甲基四氫呋喃工廠有哪些上海蔚云化工供應(yīng)</h1><div id="rxurt2e" class="proBig"><div id="o7tqskw" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shweiyun/637389624164107853/4550822.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="wdvsugn" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shweiyun/637389624164107853/4550822.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8lx7su7" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>2-甲基四氫呋喃工廠有哪些,2-甲基四氫呋喃</p><p><span>***更新：</span>2021-01-21 00:24:09</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="z3dvx2n" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海蔚云化工有限公司</a></p><p><span>聯(lián)系人：</span>盛志華</p><p><span>郵箱: </span>3273929241@qq.com</p><p><span>電話(huà): </span>18721726651</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.weiyunhuagong.com</p><p><span>手機(jī): </span>021-52909928</p><p><span>地址: </span>靜安區(qū)靈石路709號(hào)55幢A2113室</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="wypm84f" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="lq3szli" class="box"><p><p style="text-indent:25px">操作注意事項(xiàng)：密閉操作，多方面通風(fēng)。操作人員必須經(jīng)過(guò)專(zhuān)門(mén)培訓(xùn)，嚴(yán)格遵守操作規(guī)程。建議操作人員佩戴過(guò)濾式防毒面具（半面罩），戴安全防護(hù)眼鏡，穿防靜電工作服，戴橡膠耐油手套。遠(yuǎn)離火種、熱源，工作場(chǎng)所嚴(yán)禁吸煙。使用防爆型的通風(fēng)系統(tǒng)和設(shè)備。防止蒸氣泄漏到工作場(chǎng)所空氣中。避免與氧化劑、酸類(lèi)、堿類(lèi)接觸。灌裝時(shí)應(yīng)控制流速，且有接地裝置，防止靜電積聚。搬運(yùn)時(shí)要輕裝輕卸，防止包裝及容器損壞。配備相應(yīng)品種和數(shù)量的消防器材及泄漏應(yīng)急處理設(shè)備。倒空的容器可能殘留有害物儲(chǔ)存注意事項(xiàng)：通常商品加有阻聚劑。儲(chǔ)存于陰涼、通風(fēng)的庫(kù)房。遠(yuǎn)離火種、熱源。庫(kù)溫不宜超過(guò)30℃。包裝要求密封，不可與空氣接觸。應(yīng)與氧化劑、酸類(lèi)，2-甲基四氫呋喃工廠有哪些、堿類(lèi)等分開(kāi)存放，切忌混儲(chǔ)。采用防爆型照明、通風(fēng)設(shè)施，2-甲基四氫呋喃工廠有哪些，2-甲基四氫呋喃工廠有哪些。禁止使用易產(chǎn)生火花的機(jī)械設(shè)備和工具。儲(chǔ)區(qū)應(yīng)備有泄漏應(yīng)急處理設(shè)備和合適的收容材料。四氫呋喃中的過(guò)氧化物可用酸化的碘化鉀溶液來(lái)檢驗(yàn)。2-甲基四氫呋喃工廠有哪些</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="2-甲基四氫呋喃工廠有哪些,2-甲基四氫呋喃" src="https://tyunfile.71360.com/UploadFile/shweiyun/637389624164107853/4550822.png"></div><p style="text-indent:25px">5-羥甲基糠醛（5-HMF）可以由生物質(zhì)衍生的糖類(lèi)脫水獲得，進(jìn)一步完全氫化可以轉(zhuǎn)化為具有高附加值的2，5-二羥甲基四氫呋喃（DHMTHF）。以表面胺基功能化介孔二氧化硅小球（SiO2-NH2）為載體，采用等體積浸漬法制備了高分散釕（Ru）基（Ru-B）納米催化劑（Ru-B/SiO2-NH2）.以2-丁醇為溶劑，將制得的Ru-B/SiO2-NH2用于5-HMF加氫制DHMTHF。在160℃，2.76 MPa，800 r·min-1的條件下，5-HMF轉(zhuǎn)化率為99.9%，DHMTHF的產(chǎn)率為87%.與目前報(bào)道的催化劑相比，該催化體系可以在更為溫和的條件下獲得較好的效果.構(gòu)效關(guān)系研究表明：載體表面胺基功能化可以起到錨定和高度分散Ru-B非晶態(tài)合金納米粒子的作用。2-甲基四氫呋喃工廠有哪些相反從化合物上脫落的過(guò)程叫去甲基化。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="2-甲基四氫呋喃工廠有哪些,2-甲基四氫呋喃" src="https://tyunfile.71360.com/UploadFile/shweiyun/637389624064664530/9526363.png"></div><p style="text-indent:25px"> 共沸回收2-MeTHF的能耗比用精餾法回收THF的能耗低70%。 THF因沸點(diǎn)低，水溶性極好，損耗大，回收率低，回收成本高，三廢處理費(fèi)用高。長(zhǎng)期使用2-MeTHF綜合成本比使用THF低。 2-甲基四氫呋喃沸點(diǎn)較高,容易冷凝回收,揮發(fā)損失少,大氣污染??；在水中溶解度小,通過(guò)共沸精餾后回收率高,進(jìn)入廢水中的2-甲基四氫呋喃含量低,容易處理。 **、四氫呋喃、鹵代烷和苯等環(huán)境不友好的溶劑每年消耗量超過(guò)幾十萬(wàn)噸，其中作為格氏反應(yīng)溶劑的**和四氫呋喃每年用量在萬(wàn)噸以上。用2-甲基四氫呋喃替代上述環(huán)境不友好的溶劑符合綠色化工技術(shù)的要求，而且市場(chǎng)前景十分廣闊，經(jīng)濟(jì)和社會(huì)效益十分明顯。</p><p style="text-indent:25px">四氫呋喃與水能混溶，并常含有少量水分及過(guò)氧化物。如要制得無(wú)水四氫呋喃，可用氫化鋁鋰在隔絕潮氣下回流（通常1000mL約需2~4g氫化鋁鋰）除去其中的水和過(guò)氧化物，然后蒸餾，收集66℃的餾分蒸餾時(shí)不要蒸干，將剩余少量殘液即倒出Chemicalbook）。精制后的液體加入鈉絲并應(yīng)在氮?dú)夥罩斜４?。處理四氫呋喃時(shí)，應(yīng)先用小量進(jìn)行試驗(yàn)，在確定其中只有少量水和過(guò)氧化物，作用不致過(guò)于激烈時(shí)，方可進(jìn)行純化。四氫呋喃中的過(guò)氧化物可用酸化的碘化鉀溶液來(lái)檢驗(yàn)。如過(guò)氧化物較多，應(yīng)另行處理為宜。HF是一種重要的有機(jī)合成原料且是性能優(yōu)良的溶劑，特別適用于溶解PVC、聚偏氯乙烯和丁苯胺，普遍用作表面涂料、防腐涂料、印刷油墨、磁帶和薄膜涂料的溶劑，并用作反應(yīng)溶劑，用于電鍍鋁液時(shí)可任意控制鋁層厚度且光亮。甲基作為一個(gè)化學(xué)基團(tuán)，它能夠結(jié)合在DNA上某些特定部位。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="2-甲基四氫呋喃工廠有哪些,2-甲基四氫呋喃" src="https://tyunfile.71360.com/UploadFile/shweiyun/637389624039166387/6007011.png"></div><p style="text-indent:25px">３－二疊氮甲基氧丁環(huán)－四氫呋喃共聚醚（ＢＡＭＯ－ＴＨＦ）推進(jìn)劑屬于疊氮聚醚復(fù)合推進(jìn)劑，由于其高能、高燃速、低特征信號(hào)等優(yōu)點(diǎn)，因而引起了普遍關(guān)注。在硝胺填充、硝酸酯增塑的ＢＡＭＯ－ＴＨＦ推進(jìn)劑固體推進(jìn)劑中，粘合劑體系的網(wǎng)絡(luò)結(jié)構(gòu)和填料與粘合劑體系界面的“脫濕”現(xiàn)象影響了其力學(xué)性能，很大程度上限制了ＢＡＭＯ－ＴＨＦ推進(jìn)劑的普遍應(yīng)用。如何有效地改善粘合劑體系的網(wǎng)絡(luò)結(jié)構(gòu)，同時(shí)增強(qiáng)粘合劑與填料兩相間的粘附作用，提高其力學(xué)性能是ＢＡＭＯ－ＴＨＦ推進(jìn)劑研究領(lǐng)域的重要課題。在端羥基聚丁二烯（ＨＴＰＢ）、高能硝酸酯增塑聚醚（ＮＥＰＥ）推進(jìn)劑領(lǐng)域，有關(guān)鍵合劑對(duì)其形態(tài)結(jié)構(gòu)及力學(xué)性能的影響已有學(xué)者進(jìn)行了研究。但在硝酸酯／ＢＡＭＯ－ＴＨＦ推進(jìn)劑中對(duì)其力學(xué)性能的研究尚不充分?？疾炝硕喾N固化劑（己二異氰酸酯ＨＤＩ、甲苯二異氰酸酯ＴＤＩ、Ｎ－１００、異佛爾酮二異氰酸酯ＩＰＤＩ）、網(wǎng)絡(luò)調(diào)節(jié)劑（三羥甲基丙烷ＴＭＰ、ＤＹ、Ｎ，Ｎ′－二琥珀酰亞胺基碳酸酯ＤＳＣ等）和鍵合劑（Ｍ、Ｔ、Ｈ、中性聚合物）對(duì)ＢＡＭＯ－ＴＨＦ推進(jìn)劑力學(xué)性能的影響。甲基四氫呋喃容易冷凝回收，揮發(fā)損失少，大氣污染小。2-甲基四氫呋喃工廠有哪些</p><p style="text-indent:25px">四氫呋喃是一種重要的有機(jī)合成原料且是性能優(yōu)良的溶劑。2-甲基四氫呋喃工廠有哪些</p><p style="text-indent:25px">四氫-2-甲基呋喃;喃;;2-甲基四喃;2-甲基四氫呋喃(METHF);A-甲基四氫呋喃;2-甲基四氫呋喃,大約150-400PPMBHT作為穩(wěn)定劑，C5H10O分子量：86.13安全術(shù)語(yǔ)遠(yuǎn)離火源。不慎與眼睛接觸后，預(yù)防靜電發(fā)生?？赡苌尚赃^(guò)氧化物。刺激眼睛和呼吸系統(tǒng)?？扇夹晕ｋU(xiǎn)特性：遇明火、高溫、氧化劑易燃;燃燒產(chǎn)生刺激煙霧滅火劑：干粉、干砂、二氧化碳、泡沫、1211滅火劑2一甲基四氫呋喃有毒嗎屬于危險(xiǎn)品毒性分級(jí)：中毒急性毒性：4500 毫克/公斤可燃性危險(xiǎn)特性：遇明火、高溫、氧化劑易燃;燃燒產(chǎn)生刺激煙霧物危險(xiǎn)特性：其蒸氣與空氣可形成性混合物,遇明火、高熱極易燃燒。2-甲基四氫呋喃工廠有哪些</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2934007.html</p></div></div></div></div></div><div id="utaxuli" class="page-right twoColRt"><div id="td7umta" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ujgd8hl" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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