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class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>泰州鋁合金常溫?zé)o鎳封孔劑分析</p><p><span>***更新：</span>2020-06-22 10:48:39</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="ujgdk8l" 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="kurtvcz" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3uhe3xj" class="box"><p><p> 研究開發(fā)無鎳封孔綠色生產(chǎn)新技術(shù)，以實現(xiàn)降低環(huán)境污染、提高生產(chǎn)效率、帶動產(chǎn)業(yè)升級的目標(biāo)。研究結(jié)果表明，新工藝徹底消除了鎳污染，槽液穩(wěn)定，節(jié)能環(huán)保，易于大規(guī)模生產(chǎn)，泰州鋁合金常溫?zé)o鎳封孔劑分析，且可為開發(fā)無污染綠色鋁合金新產(chǎn)品提供可借鑒的技術(shù)基礎(chǔ)，市場前景廣闊，是一項具有經(jīng)濟(jì)效益和社會效益的綠色新技術(shù)，對推動鋁合金表面處理技術(shù)向環(huán)保、、節(jié)能方向發(fā)展具有重大的意義。本發(fā)明針對鋁合金陽極氧化工藝封孔處理過程中存在嚴(yán)重鎳污染的問題，研究開發(fā)一種鋁合金無鎳封孔藥劑及工藝配置。通過建立氟鈦酸復(fù)合封孔新配方和新工藝，以氫氧化鈦作為封孔填充主要物質(zhì)，取代氫氧化鎳，從工藝源頭徹底消除鎳污染；研究和探討新工藝的調(diào)控規(guī)律以及封孔過程的動力學(xué)變化規(guī)律，建立提高封孔速度的方法，進(jìn)一步提高生產(chǎn)效率；在小試基礎(chǔ)上，進(jìn)行中試驗證，進(jìn)一步完善和優(yōu)化氟鈦酸封孔新工藝，泰州鋁合金常溫?zé)o鎳封孔劑分析，并對新工藝作經(jīng)濟(jì)性和污染物排放評價，為新工藝產(chǎn)業(yè)化作技術(shù)準(zhǔn)備。通過本發(fā)明的實施，推動鋁合金表面處理技術(shù)向環(huán)保、、節(jié)能方向發(fā)展，泰州鋁合金常溫?zé)o鎳封孔劑分析。本發(fā)明的研究內(nèi)容示意圖見圖1。研究氟鈦酸封孔新配方，從源頭徹底消除鎳污染。選用氟鈦酸作為主要的封孔成分，其電離、水解與封孔反應(yīng)為：H2TiF6=2H++TiF62-(氟鈦酸電離)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="泰州鋁合金常溫?zé)o鎳封孔劑分析" src="https://tyunfile.71360.com/UploadFile/xtsbsd1/637262913898906250/6931910.png"></div><p> 冷凍干燥，然后煅燒，即得。所述模板劑包括十六烷基三甲溴化銨ctab或十六烷基三甲氯化銨ctac。所述ph調(diào)節(jié)劑包括氟化銨nh4f、三乙醇胺tea或氫氧化鈉naoh。所述硅源包括正硅酸乙酯teos、正硅酸丙酯tpos或正硅酸丁酯tbos。所述攪拌反應(yīng)轉(zhuǎn)速為200～300rpm。所述離心速度為10000～10500rpm，離心時間為10～15min。所述煅燒的工藝參數(shù)為：升溫速度為1～2℃/min，600℃煅燒5h。煅燒是為了除去msns中的模板劑。所述步驟(1)中刻孔劑包括碳酸鈉、碳酸鉀、碳酸氫鈉或碳酸氫鉀。所述步驟(1)中刻孔劑水溶液濃度為～。所述步驟(1)中攪拌溫度為21～25℃，攪拌時間為7～9h。所述步驟(1)中攪拌轉(zhuǎn)速為200～300rpm。所述步驟(1)中離心速度為10000～10500rpm，離心時間為10～15min。所述步驟(1)中洗滌為：用去離子水和無水乙醇各洗滌三次。所述步驟(2)中硒源包括亞硒酸鈉na2seo3或硒酸鈉na2seo4。所述步驟(2)中硒源和抗壞血酸摩爾比為1:3～1:4。所述步驟(2)中反應(yīng)為：出現(xiàn)沉淀后繼續(xù)反應(yīng)15min。所述步驟(3)中煅燒溫度為235℃，煅燒時間為5h。所述步驟(3)中洗滌為：用去離子水反復(fù)洗滌靜置直到廢液為澄清透明。所述步驟(3)中se-msns的se負(fù)載量為5wt.％-45wt.％；se-msns粒徑為±。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="泰州鋁合金常溫?zé)o鎳封孔劑分析" src="https://tyunfile.71360.com/UploadFile/xtsbsd1/637262913937138672/5901259.png"></div><p> 1)msns的介孔孔道可進(jìn)一步利用化學(xué)刻蝕劑反應(yīng)，擴(kuò)大孔徑；(2)利用se的低熔點性(217℃)及msns較大的介孔結(jié)構(gòu)，在一定溫度下，使熔融態(tài)se借助流動性和虹吸效應(yīng)灌注到msns的介孔結(jié)構(gòu)中，將se單質(zhì)均勻地填充到msns的孔道中并調(diào)節(jié)其負(fù)載量，有效地利用了msns介孔結(jié)構(gòu)的優(yōu)勢，提高se的負(fù)載率。本發(fā)明提供一種載硒的介孔二氧化硅納米材料的制備方法，包括：(1)將介孔二氧化硅msns與刻孔劑水溶液混合，攪拌，離心，洗滌，冷凍干燥，得到擴(kuò)孔的介孔二氧化硅；其中msns與刻孔劑質(zhì)量比為～；(2)將硒源與步驟(1)中擴(kuò)孔的介孔二氧化硅加入到水中，將抗壞血酸加入到水中，超聲條件下將得到的抗壞血酸溶液迅速滴加入得到的硒源和擴(kuò)孔的介孔二氧化硅溶液中反應(yīng)，得到混合溶液，其中混合溶液中擴(kuò)孔的介孔二氧化硅濃度為5mg/ml～10mg/ml，硒源濃度為30mmol/l～60mmol/l，抗壞血酸濃度為45mmol/l～137mmol/l；(3)將步驟(2)中混合溶液冷凍干燥，然后煅燒，洗滌，離心，冷凍干燥，得到載硒的介孔二氧化硅納米材料se-msns。所述步驟(1)中介孔二氧化硅msns的制備方法包括：將模板劑和ph調(diào)節(jié)劑溶解于水中，在80℃攪拌反應(yīng)50min～70min，滴加入硅源，繼續(xù)反應(yīng)50min～70min，冷卻至室溫，離心。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/348758.html</p></div></div></div></div></div><div id="wlikhtq" class="page-right twoColRt"><div id="8qcol83" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="m7pro3y" class="recomPic 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