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id="hb5rnl3" class="twoCol"><div id="75trn3d" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/second-_jxhxp/">精細(xì)化學(xué)品</a>?<a href="http://www.cdcfah.com/cp/third-jxhxp_qitazhuji/">其他助劑</a>?無(wú)錫無(wú)鎳封孔劑作用是什么仙桃市百事德化工供應(yīng)</p><div id="nrntxtv" class="leftbox clearfix"><h1>無(wú)錫無(wú)鎳封孔劑作用是什么仙桃市百事德化工供應(yīng)</h1><div id="htr3fp3" class="proBig"><div id="lxdjvz3" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xtsbsd1/637262913898906250/6931910.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="lfj33x5" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xtsbsd1/637262913898906250/6931910.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="nxbhtpv" 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>無(wú)錫無(wú)鎳封孔劑作用是什么</p><p><span>***更新：</span>2020-06-25 06:24:26</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="pjftptz" 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="lxdhnzv" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="rnrvxxb" class="box"><p><p> 分析其原因可能是碘的化合物與染料反應(yīng)形成具有保護(hù)作用的碘化物，碘化物與鋁發(fā)生反應(yīng)，形成耐水的沉淀物，保證封孔質(zhì)量；2）在封孔劑中加入鉬酸鹽以及鑭的化合物，無(wú)錫無(wú)鎳封孔劑作用是什么，能夠生成鉬的氫氧化物及鑭的氫氧化物，生成的氫氧化物能夠?qū)㈥?yáng)極氧化膜的孔隙封閉且在封孔過(guò)程中能夠吸附到孔隙中提高鋁合金的抗腐蝕性能；3）在封孔劑中加入磷酸鹽及硅烷偶聯(lián)劑能夠吸附到陽(yáng)極氧化膜孔隙中，無(wú)錫無(wú)鎳封孔劑作用是什么，并將其填充封閉，從而減少染料在封孔過(guò)程中掉色，提高鋁合金產(chǎn)品的抗鹽霧性能；本發(fā)明通過(guò)鉬酸鹽、磷酸鹽、碘的化合物、鑭的化合物和硅烷偶聯(lián)劑的配合使用，能夠有效地防止或減少鋁合金陽(yáng)極氧化膜染色處理后的染料掉色，并提高鋁合金陽(yáng)極氧化膜的封孔質(zhì)量及產(chǎn)品的耐腐蝕性能。推薦地，所述鉬酸鹽為鉬酸鈉和/或鉬酸銨；所述磷酸鹽為磷酸鈉，無(wú)錫無(wú)鎳封孔劑作用是什么、磷酸鉀或三聚磷酸鈉中的至少一種；所述碘的化合物為碘化鉀、碘化鈉和碘化銨中的至少一種；所述鑭的化合物為氯化鑭和/或氧化鑭；所述硅烷偶聯(lián)劑為γ-(2,3-環(huán)氧丙氧)丙基三甲氧基硅烷、γ-氨丙基三乙氧基硅烷、苯胺甲基三甲氧基硅烷和脲丙基三乙氧基硅烷中的至少一種。推薦地，所述封孔劑還包括苯磺酸鹽。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無(wú)錫無(wú)鎳封孔劑作用是什么" src="https://tyunfile.71360.com/UploadFile/xtsbsd1/637262913898906250/6931910.png"></div><p> 如醋酸、氨水、氟離子、乙二胺四乙酸、有機(jī)磷酸鹽等。鎳離子一旦與這些絡(luò)合劑絡(luò)合之后，十分穩(wěn)定，無(wú)法通過(guò)絮凝沉淀或者離子交換的方法將其去除，因此呈溶解性的絡(luò)合態(tài)銀極易引起廢水超標(biāo)。[0010]中國(guó)**CN公開了一種采用酸化法破絡(luò)合技術(shù)對(duì)電鍍鎳廢水進(jìn)行前處理，在強(qiáng)酸條件下，常用的絡(luò)合如檸檬酸、氨水、草酸等失去或減弱與鎳離子絡(luò)合能力，從而可使絡(luò)合態(tài)的金屬鎳游離出來(lái)，該方法能使部分較弱的絡(luò)合劑釋放出鎳離子，但是該方法存在的不足是:其無(wú)法釋放有機(jī)磷酸鹽類絡(luò)合劑如乙二胺四甲叉磷酸鈉所絡(luò)合的鎳。此外加酸之后，在后續(xù)的樹脂吸咐鎳離子的工藝環(huán)節(jié)會(huì)降低該樹脂對(duì)鎳的吸附容量及性能。[0011]中國(guó)**CN提出采用芬頓氧化技術(shù)使鎳的絡(luò)合物破除形成自由鎳的方法。該方法依據(jù)由芬頓氧化產(chǎn)的羥基自由基與二價(jià)鐵離子具有一定的氧化還原能力，對(duì)絡(luò)合物進(jìn)行降解，從而破除絡(luò)合形態(tài)的鎳形成游離態(tài)鎳。芬頓氧化雖能有效地氧化降解水體中有機(jī)污染物，然而對(duì)Ni-EDTA絡(luò)合的降解釋放效率較低。因此，該方法只能破除絡(luò)合能力較弱的那部分鎳的絡(luò)合物，對(duì)于絡(luò)合能力較強(qiáng)的鎳絡(luò)合物破除效果不明顯，無(wú)法達(dá)到持續(xù)穩(wěn)定的除鎳效果，同樣，該方法也易導(dǎo)致鎳排放超標(biāo)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無(wú)錫無(wú)鎳封孔劑作用是什么" src="https://tyunfile.71360.com/UploadFile/xtsbsd1/637262913996914063/9599976.png"></div><p> 氟是促進(jìn)封孔的元素。（1）封孔時(shí)間對(duì)封孔質(zhì)量的影響封孔時(shí)間直接決定封孔質(zhì)量。封孔時(shí)間是封孔劑封孔能力的體現(xiàn)，受溫度、pH值、封孔劑成分和濃度、添加劑成分和濃度的影響較大。在同等條件下，與氟化鎳相比，氟鈦酸的封孔能力在三倍左右。即氟鈦酸的封孔時(shí)間是氟化鎳的1/3。若氧化膜的厚度為15μm，氟化鎳需要封孔15分鐘，氟鈦酸需5分鐘左右。（2）封孔溫度對(duì)封孔質(zhì)量的影響根據(jù)不同溫度下的封孔試驗(yàn)，可得到氟鈦酸封孔質(zhì)量與溫度的變化規(guī)律。當(dāng)溫度處于15-20℃時(shí)，封孔質(zhì)量較好；當(dāng)溫度升高時(shí)，離子擴(kuò)散速度加快，水解速度加快，F(xiàn)-濃度提高，與氧化膜反應(yīng)加快，生成的Ti(OH)4多，封孔速度提高；溫度太低時(shí)，F(xiàn)-濃度低，與氧化膜反應(yīng)弱，生成的Ti(OH)4少，封孔效果則較差。實(shí)驗(yàn)表明，當(dāng)其他控制指標(biāo)在工作范圍時(shí)，氟鈦酸的封孔溫度與封孔速度的關(guān)系為：溫度在15-20℃時(shí)，封孔速度約1μm/min；溫度在20-25℃時(shí)，封孔速度約2μm/min；溫度在25-30℃時(shí)，封孔速度約3μm/min。此時(shí)，可根據(jù)氧化膜性質(zhì)、厚度、封孔溫度等確定封孔時(shí)間。（3）pH值對(duì)封孔質(zhì)量的影響根據(jù)pH值對(duì)封孔質(zhì)量的影響試驗(yàn)，可得pH值對(duì)封孔質(zhì)量的影響規(guī)律。隨槽液pH值的上升，按（2）式，氟鈦酸水解增加。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/383450.html</p></div></div></div></div></div><div id="733fhvr" 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