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src="https://tyunfile.71360.com/UploadFile/xtsbsd1/637262913937138672/5901259.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="rwls2ah" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xtsbsd1/637262913937138672/5901259.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jo83nac" 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>湖北省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>南通供應(yīng)封孔劑研究</p><p><span>***更新：</span>2020-05-31 02:29:08</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="yixovxe" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">仙桃市百事德化工有限責(zé)任公司</a></p><p><span>聯(lián)系人：</span>謝進(jìn)濤</p><p><span>郵箱: </span>267304616@qq.com</p><p><span>電話: </span>15852535713</p><p><span>傳真: </span>0510_86380198</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0510-86380198</p><p><span>地址: </span>沙嘴街道光湖路8號</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="etv2mjv" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ynprdfr" class="box"><p><p> 抗壞血酸，十六烷基三甲溴化銨(ctab，國藥集團(tuán)工業(yè)股份有限公司)，氟化銨(nh4f，國藥集團(tuán)工業(yè)股份有限公司)，正硅酸乙酯(teos，國藥集團(tuán)工業(yè)股份有限公司)，通過該制備方法合成載se量30wt.％的se-msns。其具體步驟為：稱取、，隨后加入250ml去離子水，反應(yīng)溫度80℃，充分?jǐn)嚢?h，轉(zhuǎn)子轉(zhuǎn)速控制在200～300rpm；反應(yīng)1h后，向反應(yīng)體系中逐滴加入，繼續(xù)反應(yīng)1h后，冷卻至室溫將樣品離心，將沉淀冷凍干燥得到的白色粉末置于馬弗爐600℃煅燒5h，除去msns中的ctab；稱取，得到濃度為；攪拌條件下將，轉(zhuǎn)速控制在200～300rpm，溫度控制在21～25℃，時(shí)間保持在8h，10000～10500rpm離心后用去離子水和無水乙醇洗滌三次，冷凍干燥離心后的沉淀產(chǎn)物，得到擴(kuò)孔的msns。稱取，記為a液；稱取，記為b液；充分?jǐn)嚢?轉(zhuǎn)速控制在200～300rpm)使其全部溶于去離子水中；超聲條件下，將b液用注射器迅速滴加到a液，待反應(yīng)液出現(xiàn)紅色物質(zhì)后繼續(xù)反應(yīng)15min，記為c液；將c液冷凍干燥，然后將產(chǎn)物置于馬弗爐235℃煅燒5h，南通供應(yīng)封孔劑研究，用去離子洗滌至廢液為澄清透明，將沉淀冷凍干燥得到紅色粉末30wt.％se-msns，南通供應(yīng)封孔劑研究。實(shí)施例2通過該制備方法合成載硒量20wt，南通供應(yīng)封孔劑研究.％的se-msns。其具體步驟為：擴(kuò)孔的msns制備方法與實(shí)施例1相同。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通供應(yīng)封孔劑研究" src="https://tyunfile.71360.com/UploadFile/xtsbsd1/637262913937138672/5901259.png"></div><p> 其封孔機(jī)理是在大于95℃高溫下，由于三氧化二鋁（Al2O3）的水合作用，生成含有一份結(jié)晶水的三氧化二鋁Al2O﹒H2O（2AlOOH,即勃姆體氧化鋁）或氫氧化鋁Al2O3﹒3H2O（2Al(OH)3,即拜耳體氧化鋁），使體積膨脹從而封閉了陽極氧化膜的結(jié)構(gòu)微孔。勃姆體氧化鋁具有較好的耐腐蝕性，拜耳體氧化鋁耐腐蝕性遠(yuǎn)不如勃姆體氧化鋁。沸水封孔和高溫水蒸氣封孔后能保持氧化膜的透明度，且提高了陽極氧化膜的抗開裂性或抗機(jī)械變形開裂性，適用于交通工具的車圈或太陽光直射的結(jié)構(gòu)件。由于沸水封孔和高溫水蒸氣封孔在高溫下操作，需要消耗大量能源，一般不用于建筑鋁合金的封孔過程。（2）冷封孔（常溫封孔）工藝?yán)浞饪资俏覈ㄖX合金**早推廣和目前**常使用的常規(guī)封孔工藝，采用氟化鎳為封孔藥劑的主要成分，在陽極氧化膜微孔結(jié)構(gòu)中填充耐腐蝕的氫氧化鎳，完成封孔過程。為提高陽極氧化膜的柔韌性和封孔質(zhì)量，可采用將冷封孔后的鋁合金型材，在60-80℃的去離子水中浸漬10-15分鐘，作為“冷封孔后處理”。歐洲已將“冷封孔后處理”列入陽極氧化處理的生產(chǎn)規(guī)范。冷封孔工藝在常溫下完成封孔過程，能降低能耗。該工藝以氟化鎳為封孔藥劑主要成分，生產(chǎn)過程中產(chǎn)生大量含鎳廢水，污染環(huán)境。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通供應(yīng)封孔劑研究" src="https://tyunfile.71360.com/UploadFile/xtsbsd1/637262913996914063/9599976.png"></div><p> 氯化鑭的含量為，γ-(2,3-環(huán)氧丙氧)丙基三甲氧基硅烷的含量為，十二烷基苯磺酸鈉的含量為；鋁合金鋁合金陽極氧化膜封孔：將經(jīng)過陽極氧化及染色處理的鋁合金放入實(shí)施例1中制備的鋁合金陽極氧化膜封孔劑中進(jìn)行封孔處理，封孔處理的溫度為92℃，封孔處理的時(shí)間為30min，清洗后得到封孔鋁合金件b1。實(shí)施例2按照表1列出的組分制備鋁合金陽極氧化膜封孔劑；制備鋁合金陽極氧化膜封孔劑：將鉬酸鈉、三聚磷酸鈉、碘化鉀、氯化鑭、硅烷偶聯(lián)劑和十二烷基苯磺酸鈉溶于水形成鋁合金陽極氧化膜封孔劑a2。所述鉬酸鈉的含量為3g/l，三聚磷酸鈉的含量為，碘化鉀的含量為8g/l，氯化鑭的含量為，γ-(2,3-環(huán)氧丙氧)丙基三甲氧基硅烷的含量為，十二烷基苯磺酸鈉的含量為；按照實(shí)施例1的方法對鋁合金進(jìn)行封孔，得到封孔鋁合金件b2。實(shí)施例3按照表1列出的組分制備鋁合金陽極氧化膜封孔劑；制備鋁合金陽極氧化膜封孔劑：將鉬酸鈉、三聚磷酸鈉、碘化鉀、氯化鑭、硅烷偶聯(lián)劑和十二烷基苯磺酸鈉溶于水形成鋁合金陽極氧化膜封孔劑a3。所述鉬酸鈉的含量為1g/l，三聚磷酸鈉的含量為，碘化鉀的含量為6g/l，氯化鑭的含量為，γ-(2,3-環(huán)氧丙氧)丙基三甲氧基硅烷的含量為，十二烷基苯磺酸鈉的含量為。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通供應(yīng)封孔劑研究" src="https://tyunfile.71360.com/UploadFile/xtsbsd1/637262913898906250/6931910.png"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/92228.html</p></div></div></div></div></div><div id="3dyacoq" class="page-right twoColRt"><div id="pumognp" class="box01 margin10 clearfix"><h3><a 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