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clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="8aoqs7q" class="twoCol"><div id="xwz2vz3" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://m.cdcfah.com/">首頁(yè)?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/first-_huagong/">化工</a>?<a href="http://m.cdcfah.com/cp/second-_sysqm/">實(shí)驗(yàn)室器皿</a>?<a href="http://m.cdcfah.com/cp/third-sysqm_qtsysyp/">其他實(shí)驗(yàn)室用品</a>?舟山2-甲基四氫呋喃銷售公司有哪些上海蔚云化工供應(yīng)</p><div id="xxtkbsb" class="leftbox clearfix"><h1>舟山2-甲基四氫呋喃銷售公司有哪些上海蔚云化工供應(yīng)</h1><div id="83j7evh" class="proBig"><div id="vbh3cev" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shweiyun/637389624027184007/8887733.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="89aokgx" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shweiyun/637389624027184007/8887733.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="q38hkqn" 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>舟山2-甲基四氫呋喃銷售公司有哪些,2-甲基四氫呋喃</p><p><span>***更新：</span>2020-10-22 18:52:57</p><p><span id="click" >瀏覽次數(shù)：8次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="hmsk3ox" 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="s8myzv8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="z7h2dkm" class="box"><p><p style="text-indent:25px">四氫呋喃可用作溶劑、有機(jī)合成的原料。在化學(xué)反應(yīng)和萃取時(shí)用做一種中等極性的非質(zhì)子溶劑。四氫呋喃是一種無色、低粘度的液體，具有類似**的氣味。室溫時(shí)四氫呋喃與水能部分混溶，部分不法試劑商就是利用這一點(diǎn)對(duì)四氫呋喃試劑兌水牟取暴利。四氫呋喃在儲(chǔ)存時(shí)容易變成過氧化物。因此，舟山2-甲基四氫呋喃銷售公司有哪些，商用的四氫呋喃經(jīng)常是用BHT，即2，舟山2-甲基四氫呋喃銷售公司有哪些,6-二叔丁基對(duì)甲酚來防止氧化。四氫呋喃可以通過氫氧化鈉置于密封瓶中在暗處保存。四氫呋喃是一種重要的有機(jī)化工及精細(xì)化工原料，普遍應(yīng)用于樹脂溶劑(磁帶涂層、PVC表面涂層、清洗PVC反應(yīng)器，舟山2-甲基四氫呋喃銷售公司有哪些、脫除PVC薄膜、玻璃紙涂層、塑料印刷油墨、熱塑性聚氨酯涂層);反應(yīng)溶劑(格式試劑、烷基堿金屬化合物和芳基堿金屬化合物、氫化鋁和氫化硼、甾族化合物和大分子有機(jī)聚合物);化學(xué)中間產(chǎn)物;色譜溶劑凝膠滲。四氫呋喃具有低毒、低沸點(diǎn)、流動(dòng)性好等特點(diǎn)。甲基和DNA結(jié)合過程叫甲基化。舟山2-甲基四氫呋喃銷售公司有哪些</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="舟山2-甲基四氫呋喃銷售公司有哪些,2-甲基四氫呋喃" src="https://tyunfile.71360.com/UploadFile/shweiyun/637389624027184007/8887733.png"></div><p style="text-indent:25px">THF自身可縮聚（經(jīng)陽離子引發(fā)開環(huán)再聚合）成聚四亞甲基醚二醇（PTMEG），也稱四氫呋喃均聚醚。PTMEG與甲苯二異氰酸酯（TDI）制成耐磨、耐油、低溫性能好、強(qiáng)度高的特種橡膠；與對(duì)苯二甲酸二甲酯和1,4-丁二醇制成嵌段聚醚聚酯彈性Chemicalbook材料。相對(duì)分子質(zhì)量為2000的PTMEG與對(duì)亞甲基雙（4-苯基）二異氰酸酯（MDI）制成聚氨酯彈性纖維（氨綸，即SPANDEX纖維）、特種橡膠和一些特殊用途涂料的原料。在有機(jī)合成方面，用于生產(chǎn)四氫噻吩、1.4-二氯乙烷、2.3-二氯四氫呋喃、戊內(nèi)酯、丁內(nèi)酯和吡咯烷酮等。在醫(yī)藥工業(yè)方面，THF用于合成咳必清、利復(fù)霉素、黃體酮和一些藥。THF經(jīng)硫化氫處理生成四氫硫酚，可作燃料氣中的臭味劑（識(shí)別添加劑）。THF還可用做合成革的表面處理劑。寧波2-甲基四氫呋喃生產(chǎn)線2-甲基四氫呋喃沸點(diǎn)較高。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="舟山2-甲基四氫呋喃銷售公司有哪些,2-甲基四氫呋喃" src="https://tyunfile.71360.com/UploadFile/shweiyun/637389624064664530/9526363.png"></div><p style="text-indent:25px"> 在堿性條件下非常穩(wěn)定、大多數(shù)酸性條件下也穩(wěn)定；與水分層界面非常清晰；與水分層，水在下層；而DCM與水分層，水在上層；用MeTHF作溶劑，產(chǎn)品可在釜內(nèi)脫水，因?yàn)镸eTHF與水形成特殊的共沸物； MeTHF的沸點(diǎn)為80℃，回流冷凝器可用水作為冷卻介質(zhì)。 MeTHF的優(yōu)點(diǎn)：頭孢類藥物頭孢克肟的生產(chǎn) 頭孢克肟，抗藥拉西地平的生產(chǎn) 拉西地平 2-甲基四氫呋喃回收容易 2-甲基四氫呋喃在工業(yè)化生產(chǎn)中的優(yōu)勢(shì)：綜合成本低， 2-甲基四氫呋喃在工業(yè)化生產(chǎn)中的優(yōu)勢(shì) ，環(huán)境影響小，2-甲基四氫呋喃在工業(yè)化生產(chǎn)中的優(yōu)勢(shì)， 2-甲基四氫呋喃能提高加成產(chǎn)物的收率，而THF常常導(dǎo)致還原產(chǎn)物增加而使加成產(chǎn)物的產(chǎn)率降低。</p><p style="text-indent:25px">四氫呋喃普遍用于表面涂料，保護(hù)性涂料，油墨，萃取劑和人造革的表面處理，也專是制藥行業(yè)的主要溶屬劑。普遍應(yīng)用于樹脂溶劑（磁帶涂層、PVC表面涂層、清洗PVC反應(yīng)器、脫除PVC薄膜、玻璃紙涂層、塑料印刷油墨、熱塑性聚氨酯涂層）；反應(yīng)溶劑（格式試劑、烷基堿金屬化合物和芳基堿金屬化合物、氫化鋁和氫化硼、甾族化合物和大分子有機(jī)聚合物）；色譜溶劑（凝膠滲透色譜法）。四氫呋喃也是生產(chǎn)聚四亞甲基醚二醇重要原料，并用于天然氣加味。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。四氫呋喃具有低毒、低沸點(diǎn)、流動(dòng)性好等特點(diǎn)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="舟山2-甲基四氫呋喃銷售公司有哪些,2-甲基四氫呋喃" src="https://tyunfile.71360.com/UploadFile/shweiyun/637389623991305064/1986424.png"></div><p style="text-indent:25px">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30℃。包裝要求密封，不可與空氣接觸。應(yīng)與氧化劑等分開存放，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。采用鐵桶包裝。貯存在陰涼、通風(fēng)、干燥的倉(cāng)庫(kù)內(nèi)，嚴(yán)禁煙火。搬運(yùn)時(shí)小心輕放，切勿倒置，避免碰撞。按易燃有毒物品規(guī)定貯運(yùn)。鐵桶包裝，凈重１７０ｋｇ／桶。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00420），但也可回收得到副產(chǎn)品2-甲基四氫呋喃。四氫呋喃分子在常溫常壓下有較小粘稠度的有機(jī)液體。嘉興2-甲基四氫呋喃供應(yīng)公司</p><p style="text-indent:25px">聚四亞甲基醚二醇，又稱聚四氫呋喃。舟山2-甲基四氫呋喃銷售公司有哪些</p><p style="text-indent:25px">二甲基甲酰胺(DMF)作為重要的化工原料以及性能優(yōu)良的溶劑,主要應(yīng)用于聚氨酯、腈綸、醫(yī)藥、農(nóng)藥、染料、電子等行業(yè).在聚氨酯行業(yè)中作為洗滌固化劑,主要用于濕法合成革生產(chǎn)；在醫(yī)藥行業(yè)中作為合成藥物中間體,普遍用于制取強(qiáng)力霉素、可的松、磺胺類藥品的生產(chǎn)；在腈綸行業(yè)中作為溶劑,主要用于腈綸的干法紡絲生產(chǎn)；在農(nóng)藥行業(yè)中用于合成高效低毒農(nóng)藥殺蟲劑；在染料行業(yè)作為染料溶劑；在電子行業(yè)作為鍍錫零部件的淬火及電路板的清洗等；其它行業(yè)包括危險(xiǎn)氣體的載體、藥品結(jié)晶用溶劑、粘合劑等。能與水、醇、醚、酯、酮、不飽和烴、芳香烴等混溶。舟山2-甲基四氫呋喃銷售公司有哪些</p><p style="text-indent:25px">上海蔚云化工有限公司位于靜安區(qū)靈石路709號(hào)55幢A2113室，交通便利，環(huán)境優(yōu)美，是一家貿(mào)易型企業(yè)。是一家私營(yíng)有限責(zé)任公司企業(yè)，隨著市場(chǎng)的發(fā)展和生產(chǎn)的需求，與多家企業(yè)合作研究，在原有產(chǎn)品的基礎(chǔ)上經(jīng)過不斷改進(jìn)，追求新型，在強(qiáng)化內(nèi)部管理，完善結(jié)構(gòu)調(diào)整的同時(shí)，良好的質(zhì)量、合理的價(jià)格、完善的服務(wù)，在業(yè)界受到寬泛好評(píng)。公司始終堅(jiān)持客戶需求優(yōu)先的原則，致力于提供高質(zhì)量的環(huán)戊酮，甲基異丙基酮，丙二胺，二甘醇胺。上海蔚云化工順應(yīng)時(shí)代發(fā)展和市場(chǎng)需求，通過**技術(shù)，力圖保證高規(guī)格高質(zhì)量的環(huán)戊酮，甲基異丙基酮，丙二胺，二甘醇胺。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/1663849.html</p></div></div></div></div></div><div id="sxdfbst" class="page-right twoColRt"><div id="79iz87p" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="g833kwc" class="recomPic likePro"><a href="http://m.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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