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id="8pwtvc2" class="proBig"><div id="onkho22" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xtsbsd1/637262913996914063/9599976.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8uv3df4" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xtsbsd1/637262913996914063/9599976.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="w8i7dae" 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>蘇州無鎳常溫封孔劑使用說明</p><p><span>***更新：</span>2020-06-19 13:35:09</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="vkc8dko" 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(hào)</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="edkb89b" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="28hgnpr" class="box"><p><p> 本發(fā)明涉及鋁合金技術(shù)領(lǐng)域：，具體涉及一種鋁合金陽(yáng)極氧化膜封孔劑、制備方法及封閉方法。背景技術(shù)：：鋁合金具有質(zhì)量輕，蘇州無鎳常溫封孔劑使用說明、耐蝕性強(qiáng)、導(dǎo)熱導(dǎo)電良好等優(yōu)點(diǎn)，蘇州無鎳常溫封孔劑使用說明，在航空、航天、汽車、機(jī)械制造、民用工業(yè)中廣泛應(yīng)用。鋁合金的表面處理以陽(yáng)極氧化為主，但陽(yáng)極氧化膜層具有多孔結(jié)構(gòu)且具有較強(qiáng)的化學(xué)活性，如果不封孔或封孔質(zhì)量差，環(huán)境中的污染物會(huì)被微孔吸附并進(jìn)行深度腐蝕，**終導(dǎo)致鋁材器件使用壽命降低，也就是說，鋁合金陽(yáng)極氧化膜的封孔質(zhì)量直接決定了鋁合金的耐蝕性，而且鋁合金陽(yáng)極氧化后一般需要染色處理以得到具有良好外觀效果的外觀件，若不能保證封孔質(zhì)量，也會(huì)嚴(yán)重影響鋁合金的外觀形效果。目前，國(guó)內(nèi)外通常使用以ni2+及f-為基本成分的ni-f封孔劑，但ni-f封孔體系消耗的鎳及氟太多且又傷害人體的健康；現(xiàn)有的無鎳封孔劑又較難滿足生產(chǎn)上的品質(zhì)要求，無法大規(guī)模應(yīng)用。技術(shù)實(shí)現(xiàn)要素：本發(fā)明主要針對(duì)上述現(xiàn)有技術(shù)存在的問題，提供一種鋁合金陽(yáng)極氧化膜封孔劑，該封孔劑不含鎳，且能夠得到封孔質(zhì)量以及耐蝕性均較好的產(chǎn)品。本發(fā)明方面，提供一種鋁合金陽(yáng)極氧化膜封孔劑，蘇州無鎳常溫封孔劑使用說明，該封孔劑包括：鉬酸鹽、磷酸鹽、碘的化合物、鑭的化合物、硅烷偶聯(lián)劑和水。本發(fā)明第二方面。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州無鎳常溫封孔劑使用說明" src="https://tyunfile.71360.com/UploadFile/xtsbsd1/637262913996914063/9599976.png"></div><p> 本發(fā)明還提供一種上述方法制備得到的載硒的介孔二氧化硅納米材料。本發(fā)明還提供一種上述方法制備得到的載硒的介孔二氧化硅納米材料的應(yīng)用。本發(fā)明采用溶膠-凝膠方法制備得到介孔二氧化硅(msns)，并進(jìn)一步利用化學(xué)刻蝕法處理獲得一種較大孔徑的介孔二氧化硅，然后通過超聲輔助-熔融滲透方法(ultrasonicationassisted-meltinfiltration，ua-mi)負(fù)載高量納米硒(se)，超聲條件下將抗壞血酸溶液迅速滴加入硒源和擴(kuò)孔的介孔二氧化硅溶液中反應(yīng)，得到混合溶液，然后將混合溶液冷凍干燥，煅燒，這樣可以使納米se充分填充在孔道內(nèi)，從而負(fù)載高量納米硒，由于納米se充分填充在孔道內(nèi)，可達(dá)到緩慢持久的釋放效果。本發(fā)明制備的擴(kuò)孔的msns平均孔徑和孔容分別為，將其作為載體負(fù)載納米硒se得到的se-msns，其中含硒量比較高可達(dá)45wt.％，且負(fù)載量在5wt.％-45wt.％可精確調(diào)控，粒徑為119±4nm。本發(fā)明中se-msns功能單元結(jié)構(gòu)穩(wěn)定、尺寸可控、具有良好的分散性，更重要的是可以利用更少量的msns負(fù)載更多量的se，提高了納米se的負(fù)載率和msns的利用率。有益效果本發(fā)明獲得的se-msns具有載硒量高、可調(diào)控性強(qiáng)，分散性好，顆粒均一，se可以充分填充在msns的孔道中。相較于純se。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州無鎳常溫封孔劑使用說明" src="https://tyunfile.71360.com/UploadFile/xtsbsd1/637262913898906250/6931910.png"></div><p> 封孔質(zhì)量提高；但pH值太高，型材表面容易產(chǎn)生白灰，這主要是因?yàn)榉佀崾シ€(wěn)定性，大量水解；pH值太低，不足以造成氟鈦酸水解，達(dá)不到封孔效果。pH值對(duì)封孔的作用原理是按（2）（3）（4）式的化學(xué)反應(yīng)，氟鈦酸的水解，氟與氧化膜的反應(yīng)，微孔中pH值的上升，膜孔中生成的Ti(OH)4沉積來達(dá)到封孔的目的，而水解物沉積量的多少直接影響封孔的效果。pH值在，可達(dá)到封孔的目的；pH值在比較好，這時(shí)的酸度正好在氟鈦酸的水解平衡區(qū)間。（4）氟鈦酸濃度對(duì)封孔質(zhì)量的影響本發(fā)明選用氟鈦酸作為主封孔物質(zhì)，氟鈦酸根是封孔槽液中**主要的離子之一。封孔是通過氟鈦酸根進(jìn)入氧化膜孔進(jìn)行水解沉淀得以實(shí)現(xiàn)的，氟鈦酸體系無鎳快速封孔的機(jī)理是水解-溶解-沉積反應(yīng)，其封孔物質(zhì)主要由Ti(OH)4和Al2(OH)3F3組成，是按（1）~（5）式反應(yīng)的綜合結(jié)果。Ti(OH)4填充速度直接影響封孔速度，氟鈦酸含量對(duì)封孔質(zhì)量影響很大。實(shí)驗(yàn)結(jié)果表明氟鈦酸（50wt.%）濃度控制在。（5）緩蝕劑濃度對(duì)封孔質(zhì)量的影響本發(fā)明緩蝕劑選用低分子多元醇類，如乙二醇、丙三醇和山梨醇等，由帶負(fù)電的羥基吸附在帶正電荷的鋁合金表面，隔離槽液，減緩腐蝕。氟鈦酸封孔體系下，pH值工作區(qū)間，偏酸性，按（4）（5）式。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/314374.html</p></div></div></div></div></div><div id="s8xurnz" class="page-right twoColRt"><div id="7ykm7za" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="pjvspr3" class="recomPic likePro"><a 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