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"index_news"><a href="http://www.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = "index_article"><a href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://www.cdcfah.com/zh/"><span>展會(huì)信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="jnfwiel" class="twoCol"><div id="tc37qfw" 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/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_tzsb/">涂裝設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-tzsb_qclsb/">前處理設(shè)備</a>?前處理劑誠(chéng)信互利上海昊琳化工供應(yīng)</p><div id="nm7tub2" class="leftbox clearfix"><h1>前處理劑誠(chéng)信互利上海昊琳化工供應(yīng)</h1><div id="sbnj89u" class="proBig"><div id="hgsz2ym" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haolin123/637335432758496094/6919015.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="b77gipd" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haolin123/637335432758496094/6919015.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="72elhyk" 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>前處理劑,前后處理劑</p><p><span>***更新：</span>2020-12-25 09:17:20</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="0p8jqsz" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海昊琳化工有限公司</a></p><p><span>聯(lián)系人：</span>彭**</p><p><span>郵箱: </span>SHHL668@163.com</p><p><span>電話: </span>13917612469</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://haolin123.shop.88360.com</p><p><span>手機(jī): </span>021-59220920</p><p><span>地址: </span>白鶴鎮(zhèn)白石公路1360路28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="v2yfmop" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="hg3mykb" class="box"><p><p style="text-indent:25px">應(yīng)用在金屬電鍍前后處理劑的技術(shù)：水溶性防銹劑。丙烯胺有機(jī)化學(xué)結(jié)構(gòu)式為R-NH2,比如十八胺等。但單純性的丙烯胺在礦物質(zhì)機(jī)油中的防銹處理實(shí)際效果不足好，而常見(jiàn)的是丙烯胺和檸檬酸轉(zhuǎn)化成的胺鹽或別的一氧化氮臺(tái)酶，如脂肪酸十八烷胺、聚醚環(huán)己胺等，前處理劑。⑤硫、氮雜環(huán)化合物,系硫含量或中氮的雜環(huán)及一些化合物,也是不錯(cuò)的金屬材料防銹劑,比如咪唑啉的烷基磷酸酯鹽，前處理劑、苯并三氮唑和a-巰基苯并噻唑等，前處理劑。咪唑啉類可用以輕金屬與稀有金屬防銹處理,苯并三氮唑等則關(guān)鍵用以銅料等稀有金屬防銹處理。金屬前后處理劑的作用原理是能和油污中的脂肪酸甘油酯發(fā)生皂化作用形成初生皂。前處理劑</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="前處理劑,前后處理劑" src="https://tyunfile.71360.com/UploadFile/haolin123/637335432758496094/6919015.png"></div><p style="text-indent:25px">金屬電鍍前后處理劑的氯代烴系清洗劑:常用的是三氯乙烯和四氯化碳。這類溶劑的特點(diǎn)是對(duì)油脂的溶解能力強(qiáng)，但沸點(diǎn)低，一般為不易燃物。而且比熱小、蒸發(fā)潛熱小，因而溫升快、凝縮也快。它的密度一般比空氣大，因而存在于空氣下部。由于這些特點(diǎn)，故可用于蒸氣脫脂。由于這類溶劑價(jià)格較貴，一般需循環(huán)使用或回收使用。有些溶劑如三氯乙烯有一定的毒性，在有光、空氣和水分共存時(shí)，分解產(chǎn)生氯化氫，易引起金屬腐蝕；與強(qiáng)堿共熱時(shí)，易產(chǎn)生等；使用時(shí)應(yīng)加以注意。前處理劑金屬前后處理劑不含甲醛、苯、重金屬等有害物質(zhì)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="前處理劑,前后處理劑" src="https://tyunfile.71360.com/UploadFile/haolin123/637335432696464844/3421477.png"></div><p style="text-indent:25px">應(yīng)用在金屬電鍍前后處理劑的技術(shù)：水溶性防銹劑。羧基以及皂類,有機(jī)化學(xué)結(jié)構(gòu)式為R--COOH及(R一COO)nMm。做為防銹劑的羧基有動(dòng)物與植物油的油酸,如聚醚、脂肪酸等,另有氧運(yùn)動(dòng)動(dòng)物化石植物油脂、烯基J=酸等生成的羧基,也有石油產(chǎn)品環(huán)烷酸等。羧基的金屬材料皂的旋光性比相對(duì)的羧基強(qiáng),故防銹處理實(shí)際效果不錯(cuò)，但水溶性較小。且遇水就會(huì)水解反應(yīng),在油中分散化時(shí)安定性較弱，有時(shí)候從油中溶解。脂類有機(jī)化學(xué)結(jié)構(gòu)式為RCOOR'。羊毛脂、液體石蠟是天然的酯類化合物,也是不錯(cuò)的金屬材料防銹處理保存原材料。聚醚多元醇的脂類防銹處理實(shí)際效果非常好,比如單脂肪酸季或四醇酯、山梨糖醇酐單脂肪酸酯(斯盤(pán)-80)，全是不錯(cuò)的金屬材料防銹劑,運(yùn)用比較普遍。</p><p style="text-indent:25px">應(yīng)用在金屬電鍍前后處理劑的技術(shù)：水溶性防銹劑。又被稱為水溶性脫硫劑。大部分為具備旋光性官能團(tuán)的長(zhǎng)碳鏈有機(jī)物。分子結(jié)構(gòu)中的旋光性官能團(tuán)借助正電荷功效密不可分地吸咐在金屬表面上;非極性官能團(tuán)長(zhǎng)碳鏈烴則朝著金屬表面的兩側(cè),能夠和原料油相溶在一起,進(jìn)而使防銹劑分子結(jié)構(gòu)定項(xiàng)排序在金屬表面，產(chǎn)生吸附力防護(hù)膜,使金屬材料不會(huì)受到水和氧的腐蝕。按其旋光性官能團(tuán)有以下情況:磺酸鹽類,有機(jī)化學(xué)結(jié)構(gòu)式為(R一SO3)金屬表面改性劑。一般應(yīng)用的是原油磺酸的堿土金屬或堿金屬酸鹽,如原油磺酸鋇、石油磺酸鈉、二壬基萘磺酸鋇等。經(jīng)金屬前后處理劑處理后的裝飾性鍍層表面光亮度提高1-2個(gè)等級(jí)，色澤經(jīng)久不衰。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="前處理劑,前后處理劑" src="https://tyunfile.71360.com/UploadFile/haolin123/637335432664384766/7567207.png"></div><p style="text-indent:25px">應(yīng)用在金屬電鍍前后處理劑的技術(shù)：氯代烴系清洗劑。常見(jiàn)的是三氯乙烯和四氯化碳。這類有機(jī)溶劑的特性是對(duì)植物油脂的溶解性強(qiáng),但熔點(diǎn)低，一般為不易燃物品。并且定壓比熱小、揮發(fā)汽化熱小,因此升溫快、凝縮也快。它的相對(duì)密度一般比氣體大,因此存有于氣體下邊。因?yàn)檫@種特性,故可用以蒸汽脫油。因?yàn)檫@類有機(jī)溶劑價(jià)錢(qián)偏貴,-般需循環(huán)系統(tǒng)應(yīng)用或收購(gòu)應(yīng)用。一些有機(jī)溶劑如三氯乙烯有一定的毒副作用,在光亮、氣體和水份并存時(shí),溶解造成氯化氫,易造成電化學(xué)腐蝕;與強(qiáng)酸共熱時(shí),易造成發(fā)生等;應(yīng)用時(shí)要多方面留意。金屬前后處理劑一般用于粗清洗，以除去大量的油脂類污物。前處理劑</p><p style="text-indent:25px">金屬前后處理劑大多數(shù)為具有極性基團(tuán)的長(zhǎng)碳鏈有機(jī)化合物。前處理劑</p><p style="text-indent:25px">金屬電鍍前后處理劑-防銹劑：乳化型防銹劑。乳化型防銹劑有二種:一種是油的顆粒在水中的混液,即水包油型乳化油,-般呈奶白色;另-種是水的顆粒在油中的混液,即油包水型乳化油,一般是全透明的或透明色的液體。乳化型防銹劑既具備防銹處理特性,又具備潤(rùn)濕性能和制冷特性,因而常見(jiàn)作金屬鉆削生產(chǎn)加工的潤(rùn)化冷凍波。乳化型防銹劑中的破乳劑以往常見(jiàn)油脂(如菜籽油、蓖麻油等)經(jīng)皂腳生產(chǎn)加工而成,近些年則應(yīng)用脂肪酸三乙醇胺、磺化油或者非正離子表活劑等。以便提升防銹處理特性,在放水配制成乳化油時(shí),還可添加一定量的水溶性防銹劑,如亞硝酸鈉與碳酸鉀、亞硝酸鈉與三乙醇胺等。除此之外,以便避免和緩解乳化油發(fā)出臭味霉變,還可添加小量除霉劑,如甲酸、五氯酚、苯甲酸鈉等。前處理劑</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2558023.html</p></div></div></div></div></div><div id="3dmtkbs" class="page-right twoColRt"><div id="p4xokb3" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="x8gsjah" class="recomPic likePro"><a href="http://www.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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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