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class="pic"><img src="https://tyunfile.71360.com/UploadFile/shweiyun/637389624124322657/6802327.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3t343rb" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shweiyun/637389624124322657/6802327.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="bzelseg" 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>溫州2-甲基四氫呋喃咨詢(xún)電話,2-甲基四氫呋喃</p><p><span>***更新：</span>2021-01-07 02:14:32</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="kya3mlm" 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: </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="augx7uv" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="covhofw" 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，溫州2-甲基四氫呋喃咨詢(xún)電話。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)，溫州2-甲基四氫呋喃咨詢(xún)電話，溫州2-甲基四氫呋喃咨詢(xún)電話、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。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。呋喃類(lèi)是一類(lèi)化學(xué)合成藥。溫州2-甲基四氫呋喃咨詢(xún)電話</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="溫州2-甲基四氫呋喃咨詢(xún)電話,2-甲基四氫呋喃" src="https://tyunfile.71360.com/UploadFile/shweiyun/637389624124322657/6802327.png"></div><p style="text-indent:25px">聚四氫呋喃生產(chǎn)過(guò)程中分子量控制的影響因素，聚合反應(yīng)工序，在這一關(guān)鍵步驟中，THF、**(ACAN)、和醋酸(HAC) 被連續(xù)加入聚合反應(yīng)器中反應(yīng)生成PTMEA，聚合轉(zhuǎn)化率通常約28%～30%。聚合產(chǎn)品PTMEA 的聚合分子量由**/四氫呋喃比率(ACAN/THF)與及THF 循環(huán)回路系統(tǒng)中醋酸的含量所控制。然后，通過(guò)THF 分離塔、醋酸汽提塔對(duì)PTMEA 分離提純。反應(yīng)器產(chǎn)品物料中有未反應(yīng)的THF、ACAN、及HAC返回至反應(yīng)器循環(huán)再使用。催化劑截留其中，同時(shí)將產(chǎn)品及其反應(yīng)熱移出。甲醇化處理之目的是將PTMEA 轉(zhuǎn)化為PTMEG，這一轉(zhuǎn)化是經(jīng)與甲醇反應(yīng)通過(guò)酯-醇交換實(shí)現(xiàn)的。PTMEA、甲醇、和甲醇鈉被加入反應(yīng)精餾塔中，產(chǎn)物PTMEG及一些殘余甲醇和甲醇鈉在反應(yīng)精餾塔塔底提出，通過(guò)甲醇閃蒸塔、甲醇分離塔將甲醇分離除去。反應(yīng)精餾塔塔頂物料含甲醇和醋酸甲酯，通過(guò)共沸精餾塔將醋酸甲酯和甲醇分離，醋酸甲酯回收作副產(chǎn)品出售，甲醇返回到循環(huán)甲醇貯槽。溫州2-甲基四氫呋喃咨詢(xún)電話2-甲基四氫呋喃是用于合成藥物磷酸氯喹和磷酸伯氨喹的主要原料。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="溫州2-甲基四氫呋喃咨詢(xún)電話,2-甲基四氫呋喃" src="https://tyunfile.71360.com/UploadFile/shweiyun/637389623884264046/3770351.png"></div><p style="text-indent:25px">2-甲基四氫呋喃是一種有機(jī)化合物，分子式是C5H10O。外觀與性狀：透明,無(wú)色液體，密度：0.86 g/mL at 25 °C。熔點(diǎn)：-136 °C 凝固點(diǎn)：-136℃。沸點(diǎn)：78-80 °C，折射率：n** 1.406。儲(chǔ)存條件：庫(kù)房通風(fēng)低溫干燥,與氧化劑、酸類(lèi)分開(kāi)存放。由2-甲基呋喃催化加氫而得。當(dāng)催化加氫反應(yīng)采用氯化鈀催化劑時(shí),主要的產(chǎn)品是乙酰丙醇(見(jiàn)00420),但也可回收得到副產(chǎn)品2-甲基四氫呋喃。本品主要用作樹(shù)脂、橡膠、乙基纖維素等的溶劑；用它提取脂肪族酸類(lèi)，要比一般所用的低沸點(diǎn)溶劑好，在鈾的冶煉工業(yè)上也相當(dāng)重要。在制藥工業(yè)中可合成抗痔藥磷酸伯氨奎、磷酸氯喹等。</p><p style="text-indent:25px">二氯丁烯法以1，4-二氯丁烯為原料，經(jīng)水解生成丁烯二醇，再經(jīng)催化加氫而得。1，4-二氯丁烯在氫氧化鈉溶液中水解，110℃下生成丁烯二醇，離心分離去掉氯化鈉，濾液在蒸發(fā)結(jié)晶器中濃縮，分離出堿金屬羧酸鹽，再在蒸餾塔中除去高沸物。將精制后的丁烯二醇送入反應(yīng)器，以鎳為催化劑，在80～120℃及一定壓力下，丁烯二醇加氫生成丁二醇，蒸餾后進(jìn)人環(huán)合反應(yīng)器，在常壓及120～140℃下于酸性介質(zhì)中生成粗四氫呋喃，蒸餾脫水和脫高沸物，之后蒸餾得高純四氫呋喃。此法操作簡(jiǎn)便，條件溫和，收率高，催化劑用量少，可連續(xù)使用。四氫呋喃與水能混溶。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="溫州2-甲基四氫呋喃咨詢(xún)電話,2-甲基四氫呋喃" src="https://tyunfile.71360.com/UploadFile/shweiyun/637389623894254288/5270430.png"></div><p style="text-indent:25px">低濃度四氫呋喃廢氣的處理，提出了一種經(jīng)濟(jì)有效的電化學(xué)氧化強(qiáng)化溶液吸收去除THF的方法。實(shí)驗(yàn)采用圓筒式溶液吸收電化學(xué)反應(yīng)器降解THF，圓筒中心沿軸向設(shè)置有RuO2涂層的鈦棒陽(yáng)極，筒內(nèi)壁附有一層不銹鋼網(wǎng)作為陰極，兩極的距離約為9 mm。實(shí)驗(yàn)結(jié)果表明，THF的去除率與電解吸收液的性質(zhì)有關(guān)，在NaCl溶液中的去除率高于Na2SO4溶液，這是因?yàn)槲雎入姌O電解NaCl溶液時(shí)能產(chǎn)生有效氯間接氧化THF。實(shí)驗(yàn)發(fā)現(xiàn)THF的去除率也與吸收液的pH有關(guān)，在酸性NaCl溶液中的去除率明顯高于堿性條件下，當(dāng)pH約為1時(shí)，去除率較高能達(dá)到94.8%。此外，還發(fā)現(xiàn)采用254 nm的紫外光照射能增加THF的去除率。經(jīng)檢測(cè)THF的主要液相降解產(chǎn)物為γ-丁內(nèi)酯。四氫呋喃是芳香族化合物呋喃的完全氫化產(chǎn)物。溫州2-甲基四氫呋喃咨詢(xún)電話</p><p style="text-indent:25px">四氫呋喃并用于天然氣加味。溫州2-甲基四氫呋喃咨詢(xún)電話</p><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。溫州2-甲基四氫呋喃咨詢(xún)電話</p><p style="text-indent:25px">上海蔚云化工有限公司是一家化工產(chǎn)品（除危險(xiǎn)化學(xué)品、監(jiān)控化學(xué)品、煙花爆竹、民用物品、易制毒化學(xué)品）、化工機(jī)械設(shè)備及配件的銷(xiāo)售，在化工技術(shù)領(lǐng)域內(nèi)從事技術(shù)開(kāi)發(fā)、技術(shù)轉(zhuǎn)讓、技術(shù)服務(wù)、技術(shù)咨詢(xún)?！疽婪毥?jīng)批準(zhǔn)的項(xiàng)目，經(jīng)相關(guān)部門(mén)批準(zhǔn)后方可開(kāi)展經(jīng)營(yíng)活動(dòng)】的公司，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷(xiāo)售為一體的專(zhuān)業(yè)化公司。上海蔚云化工作為化工產(chǎn)品（除危險(xiǎn)化學(xué)品、監(jiān)控化學(xué)品、煙花爆竹、民用物品、易制毒化學(xué)品）、化工機(jī)械設(shè)備及配件的銷(xiāo)售，在化工技術(shù)領(lǐng)域內(nèi)從事技術(shù)開(kāi)發(fā)、技術(shù)轉(zhuǎn)讓、技術(shù)服務(wù)、技術(shù)咨詢(xún)。【依法須經(jīng)批準(zhǔn)的項(xiàng)目，經(jīng)相關(guān)部門(mén)批準(zhǔn)后方可開(kāi)展經(jīng)營(yíng)活動(dòng)】的企業(yè)之一，為客戶(hù)提供良好的環(huán)戊酮，甲基異丙基酮，丙二胺，二甘醇胺。上海蔚云化工不斷開(kāi)拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶(hù)創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。上海蔚云化工始終關(guān)注化工行業(yè)。滿足市場(chǎng)需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來(lái)源地址: 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