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class="leftbox clearfix"><h1>金屬前處理劑推薦咨詢上海昊琳化工供應(yīng)</h1><div id="o8gx38q" class="proBig"><div id="3v8y338" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haolin123/637335432606845704/5912838.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="zhyntfq" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/haolin123/637335432606845704/5912838.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="k7ht35d" 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>金屬前處理劑,前后處理劑</p><p><span>***更新：</span>2021-01-09 07:15:43</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="fiuqcct" 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</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="ob3gpq3" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="s3f3wie" class="box"><p><p style="text-indent:25px">后處理劑交聯(lián)劑又稱作架橋劑，是聚烴類光致抗蝕劑的重要組成部分，這種光致抗蝕劑的光化學(xué)固化作用，依賴于帶有雙感光性官能團(tuán)的交聯(lián)劑參加反應(yīng)，交聯(lián)劑曝光后產(chǎn)生雙自由基，它和聚烴類樹脂相作用，在聚合物分子鏈之間形成橋鍵，變?yōu)槿S結(jié)構(gòu)的不溶性物質(zhì)。常是分子中含多個官能團(tuán)的物質(zhì)，如有機(jī)二元酸、多元醇等；或是分子內(nèi)含有多個不飽和雙鍵的化合物，如二乙烯基苯和二異氰酸酯，N，N-亞甲基雙丙烯酰胺（MBA）等?？赏瑔误w一起投料，金屬前處理劑，金屬前處理劑，金屬前處理劑，待縮聚（或聚合）到一定程度發(fā)生交聯(lián)，使產(chǎn)物變?yōu)椴蝗艿慕宦?lián)聚合物；也可在線型分子中保留一定數(shù)量的官能團(tuán)（或雙鍵），再加入特定物質(zhì)進(jìn)行交聯(lián)，如酚醛樹脂的固化和橡膠的硫化等。金屬前后處理劑獨(dú)具環(huán)保性能。金屬前處理劑</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金屬前處理劑,前后處理劑" src="https://tyunfile.71360.com/UploadFile/haolin123/637335432606845704/5912838.png"></div><p style="text-indent:25px">后處理劑交聯(lián)劑的使用配比：一、環(huán)氧樹脂可以通過基于酸類、胺類、氨基樹脂、異氰酸酯、酚醛樹脂等，進(jìn)行冷&熱固化體系交聯(lián)；二、氨基樹脂可以通過基于異氰酸酯、羧酸或酐類、環(huán)氧樹脂、酚醛樹脂等，進(jìn)行冷&熱固化體系交聯(lián)；三、酚醛樹脂可以通過基于酸類、環(huán)氧樹脂和異氰酸酯等，進(jìn)行冷&熱固化體系交聯(lián)；四、丙烯酸樹脂可以通過基于胺類、氨基樹脂、環(huán)氧樹脂、異腈酸酯、酚醛樹脂、自由基等，進(jìn)行冷&熱固化體系交聯(lián)；五、聚乙烯可以通過基于過氧化物、硅烷醇、電子束等進(jìn)行交聯(lián)；金屬前處理劑金屬前后處理劑大多數(shù)為具有極性基團(tuán)的長碳鏈有機(jī)化合物。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金屬前處理劑,前后處理劑" src="https://tyunfile.71360.com/UploadFile/haolin123/637335432616435547/5883724.png"></div><p style="text-indent:25px">應(yīng)用在金屬電鍍前后處理劑的技術(shù)：偏堿清洗劑。關(guān)鍵有氫氧化鈉溶液、碳酸鉀、偏硅酸鈉、磷酸鈉等,溶解水變成偏堿清洗劑。他們的功效基本原理是能和油漬中的油酸甘油酯產(chǎn)生皂腳功效產(chǎn)生新生皂,使油漬變成水溶的而被融解除去。在其中氫氧化鈉溶液和碳酸鉀也有中合酸堿性污漬的功效。磷酸鈉、三聚磷酸鈉、六偏磷酸鈉等既具備清理功效,又有抑止浸蝕的功效。偏硅酸鈉則有膠溶、分散化等功效,清理實(shí)際效果不錯。偏堿清洗劑因?yàn)閮r(jià)錢較低、不含毒性、不易燃性等緣故,應(yīng)用比較普遍。但在應(yīng)用偏堿清洗劑時要留意被清理金屬材料的材料,挑選適度的pH的燒堿溶液。除此之外,在應(yīng)用偏堿清洗劑時,-般添加表活劑組成復(fù)合型秘方,以提升清理功效。</p><p style="text-indent:25px">以金屬防銹處理為目地而添加到各種各樣物質(zhì)似水、油或脂等中去的一類有機(jī)化學(xué)藥品?，F(xiàn)階段,習(xí)慣性上分水溶性防銹劑、油溶性防銹劑、乳化型防銹劑和氣相防銹劑等。金屬電鍍前后處理劑-防銹劑：水溶性防銹劑。金屬與防銹油轉(zhuǎn)化成難溶的酸鹽,進(jìn)而使金屬與浸蝕介質(zhì)隔離,可免于生銹。比如:有的聚磷酸鹽能與鐵功效轉(zhuǎn)化成不可溶的磷酸鐵鹽;有的鋁硅酸鹽能和鐵、鋁功效轉(zhuǎn)化成不可溶的鋁硅酸鹽等。金屬與防銹油轉(zhuǎn)化成難可溶的絡(luò)離子,遮蓋在金屬表層而維護(hù)金屬可兔于浸蝕。比如:苯并三氮唑與銅能轉(zhuǎn)化成螯合物Cu(C6H4N3)2,既不溶解水都不溶解油,因此能維護(hù)銅的表層。金屬前后處理劑有利于環(huán)境保護(hù)和操作者的身心健康。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金屬前處理劑,前后處理劑" src="https://tyunfile.71360.com/UploadFile/haolin123/637335432664384766/7567207.png"></div><p style="text-indent:25px">前處理劑除油劑低溫除油原理：需要清洗的油種類按大類分為皂化類油和非皂化類油。皂化類油主要是動植物油，他們能在堿的作用下分解，生成一種溶于水的脂肪酸鹽；這個作用過程通常稱為皂化反應(yīng)。家庭廚房一般都是這種油污。工程機(jī)械制造在鉆孔、攻絲時也常使用菜油提高效率。這一類油污也需要在研制低溫除油劑中予以考慮。非皂化類油主要指礦物油(有機(jī)碳?xì)浠衔?。這一類油不溶于水，與堿不發(fā)生皂化反應(yīng)，在工件上粘附比較牢固。這類油需要通過置換卷離方法去除。針對這兩類油，對浸泡其中的工件，本除油劑以其所具備的很低的油水界面張力，迅速將致密的油膜撕開，活性劑滲透到油和金屬件之間，一方面發(fā)生乳化作用；另一方面產(chǎn)生卷離作用，使油污徹底脫離金屬表面。后處理劑交聯(lián)劑主要應(yīng)用于丙烯酸乳液，聚氨酯乳液，羧基丁苯乳液等。金屬前處理劑</p><p style="text-indent:25px">前處理劑脫脂劑如不慎濺到皮膚上，應(yīng)立即用大量清水沖洗。金屬前處理劑</p><p style="text-indent:25px">前處理劑除油劑主要是由多種表面活性劑及助洗劑等配制而成。呈液狀清洗劑，因此使用簡便?，F(xiàn)代工業(yè)清洗中，一般使用超聲波清洗或噴淋清洗。它完全替代了易燃易爆的石油溶劑，可輕易去除各種物質(zhì)表面的潤滑油脂、碳劑、霉斑等，使用安全、簡便、經(jīng)濟(jì)、效果明顯。除油劑應(yīng)用范圍：1、用于清洗機(jī)械設(shè)備、機(jī)床表面的頑固重油污；2、用于清洗鉆井平臺上的原油油垢和油泥，原油管線、儲罐；3、用于清洗焦化廠各類煤焦油管道和間冷器、油氣分離器；4、用于替代各類碳?xì)淝逑磩?、用于電鍍行業(yè)的脫脂清洗；6、用于汽車行業(yè)脫脂清洗；7、用于超聲波清洗；8、用于清洗各類常見油脂；9、用于洗潔精等日化洗滌去油劑。金屬前處理劑</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2770094.html</p></div></div></div></div></div><div id="cqc8yul" 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