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id="b8cgi39" class="news-xx-left"> <header>碳黑領(lǐng)域?qū)Ｓ玫姆稚┘胺稚⒃?/header> <footer>發(fā)布時(shí)間：2018.10.08T10:47:52 <a href="/">作者：澳達(dá)分散劑</a> 閱讀數(shù)量：<span id="hit">744</span></footer> <p style="line-height: 2em; text-indent: 2em;">碳黑的質(zhì)量高與低，跟它本身的黑度與色度息息相關(guān)，那么影響這個(gè)因?yàn)楹苤匾稽c(diǎn)，是在碳黑在生產(chǎn)過(guò)程中所選擇的<a href="http://www.cmsos.cn" target="_self" _href="http://www.cmsos.cn" style="color: rgb(192, 0, 0); text-decoration: underline;"><span style="color: rgb(192, 0, 0);">分散劑</span></a>與本身原有體系是否相容及分散是否均勻，否則碳黑很容易團(tuán)聚，嚴(yán)重影響其質(zhì)量。</p><p style="line-height: 2em; text-indent: 0em;"><br/></p><p style="text-align: center"><img src="/UploadFiles/images/20181008/6367459231835600008022603.jpg" _src="/UploadFiles/images/20181008/6367459231835600008022603.jpg" title="碳黑分散劑" alt="碳黑分散劑" width="500" height="327" border="0" vspace="0" style="width: 500px; height: 327px;"/></p><p style="text-align: center;"><br/></p><p style="line-height: 2em; text-indent: 2em;"><strong>碳黑分散原理：</strong></p><p style="line-height: 2em; text-indent: 2em;">碳黑分散主要通過(guò)在色素炭黑表面形成樹(shù)脂或者高分子包裹層，從而使原先的顏料附聚體形成更穩(wěn)定的小的附聚體（必須和顏料表面有足夠強(qiáng)度的親和力或者作用力才能在顏料表面更強(qiáng)更穩(wěn)定的吸附層即是包裹層），同時(shí)炭黑分散體系中的溶劑和樹(shù)脂也會(huì)對(duì)顏料產(chǎn)生競(jìng)爭(zhēng)吸附，<a href="http://www.cmsos.cn" target="_self" _href="http://www.cmsos.cn" style="color: rgb(192, 0, 0); text-decoration: underline;"><span style="color: rgb(192, 0, 0);">分散劑</span></a>還必須與顏料形成比樹(shù)脂和溶劑更強(qiáng)的吸附才能發(fā)揮分散作用。</p><p style="line-height: 2em; text-indent: 0em; text-align: center;"> </p><p style="text-align: center"><img src="/UploadFiles/images/20181008/6367459233533200007673740.jpg" _src="/UploadFiles/images/20181008/6367459233533200007673740.jpg" title="碳黑分散劑" alt="碳黑分散劑" width="600" height="558" border="0" vspace="0" style="width: 600px; height: 558px;"/></p><p style="line-height: 2em; text-indent: 2em;"><strong>專(zhuān)用于碳黑的分散劑</strong></p><p style="line-height: 2em; text-indent: 0em; text-align: center;"> </p><p style="text-align: center"><img src="/UploadFiles/images/20181008/6367459235652900003896270.jpg" _src="/UploadFiles/images/20181008/6367459235652900003896270.jpg" title="碳黑分散劑" alt="碳黑分散劑" width="600" height="600" border="0" vspace="0" style="width: 600px; height: 600px;"/></p><p><br/></p><p style="line-height: 2em; text-indent: 2em;">炭黑系列中的色素炭黑是黑色涂料、油漆中比較好用的顏料。但是，炭黑，經(jīng)過(guò)氧化處理過(guò)的色素炭黑表面積一般都比較大，容易吸附周?chē)h(huán)境中的水分，時(shí)間久了會(huì)產(chǎn)生絮凝的情況。因此要形成穩(wěn)定的分散體系，還要有足夠長(zhǎng)的溶劑化鏈段，也就是<a href="http://www.cmsos.cn" target="_self" _href="http://www.cmsos.cn" style="color: rgb(192, 0, 0); text-decoration: underline;"><span style="color: rgb(192, 0, 0);">分散劑</span></a>要有合適的分子量，這樣在涂料儲(chǔ)存過(guò)程中，炭黑顆粒才不會(huì)因?yàn)椴祭蔬\(yùn)動(dòng)產(chǎn)生的碰撞而重新絮凝成大的顆粒或者延長(zhǎng)絮凝返粗產(chǎn)生的時(shí)間，充分解決團(tuán)聚，流動(dòng)性查等問(wèn)題。</p><p style="line-height: 2em; text-indent: 2em;"><br/></p><p style="line-height: 2em; text-indent: 2em;">內(nèi)容原創(chuàng)作者：澳達(dá) 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