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src="http://tyunfile.71360.com/UpLoadFile/shhlssy/2019/8/637007715042287158/6370077150422871585295640.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3vnyjfb" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/shhlssy/2019/8/637007715042287158/6370077150422871585295640.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xl38n8w" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>上海冶金碳黑,碳黑</p><p><span>***更新：</span>2021-02-02 02:03:21</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="udz7xyz" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海立升實業(yè)有限公司</a></p><p><span>聯(lián)系人：</span>程先生</p><p><span>郵箱: </span>359128112@qq.com</p><p><span>電話: </span>15800327189</p><p><span>傳真: </span>021_34090395</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>021-31001391</p><p><span>地址: </span>上海閔行區(qū)瓶安路1358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="wkbufgc" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="rabxouf" class="box"><p><p style="text-indent:25px">色素炭黑是塑料的著色劑、防紫外線老化劑和抗靜電劑。隨著塑料行業(yè)的發(fā)展，炭黑在塑料行業(yè)的用量也越來越大，從普通的日用塑料到***的工程塑料都離不開炭黑。用量雖然不多，但它對塑料性能的影響很大，因此，對塑料用炭黑的性能要求更加嚴(yán)格，不同用途的塑料制品對炭黑性能有不同的要求，為降低塑料的成本，炭黑的用量要求盡可能地高，但是，上海冶金碳黑，研磨設(shè)備的性能和類型將對炭黑的分散產(chǎn)生重要的影響。不同的塑料要求不同的分散水平。在許多情況下，塑料性能的不足可以直接歸因于炭黑分散的不足，如電纜外殼和光纖等塑料產(chǎn)品，要求炭黑的分散水平能達(dá)到更高層次，上海冶金碳黑，上海冶金碳黑。對于性能要求很高的塑料，炭黑的充分分散是非常重要的。如果能提高色素炭黑的分散水平，可以使塑料的顏色、色相、粘度、光澤、穩(wěn)定性以及擠出特性等達(dá)到更好的要求。炭黑的生產(chǎn)工藝不同，則表面的化學(xué)性能也有差別。上海冶金碳黑</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海冶金碳黑,碳黑" src="http://tyunfile.71360.com/UpLoadFile/shhlssy/2019/8/637007715042287158/6370077150422871585295640.jpg"></div><p> 碳黑技術(shù)工藝（生產(chǎn)方法） </p> <p> 全球碳黑生產(chǎn)工藝一般為爐法、接觸法（主要為槽法和無槽氣法）和熱解法。我們正在使用的是**重要也是**常用的生產(chǎn)工藝--爐法和氣法。 </p> <p> 所謂爐法就是在密閉的反應(yīng)爐中，將液烴原料（一般是煤焦油）噴射到燃燒的熱空氣和天然氣中，在高溫下經(jīng)熱氧化而分解，所生成碳黑的性能可以通過猝熄火焰來控制。然后，使用過濾系統(tǒng)把產(chǎn)成的顏料碳黑從氣煙中分離出來。爐法的特點是原材料的選擇范圍很廣，且生產(chǎn)出的碳黑的性能多種多樣。 </p> <p> 而氣法即無槽氣法，是從槽法改進而來的生產(chǎn)工藝。槽法是將固態(tài)烴（粗蒽）或液態(tài)烴（蒽油）經(jīng)氣化釜氣化后，和可燃性氣體（一般使用天然氣，也使用焦?fàn)t煤氣或水煤氣）混合后作為原料，由環(huán)形布置的管網(wǎng)送入火房在槽鋼下的火嘴中高溫燃燒并經(jīng)槽鋼冷卻面收集生成碳黑的工藝。無槽氣法即火房不設(shè)槽鋼冷卻面的改進工藝。這種工藝生產(chǎn)出來的顏料碳黑收率較爐法偏低，但原生粒子粒徑小，在黑度和著色力方面均有更好的表現(xiàn)。湖南果立碳黑S620“炭黑粒子”的光散射程度，隨著粒徑的減小而降低，除了影響增光效應(yīng)，也影響色調(diào)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海冶金碳黑,碳黑" src="http://tyunfile.71360.com/UpLoadFile/shhlssy/2019/8/637007714520259984/6370077145202599841485506.jpg"></div><p style="text-indent:25px">色素炭黑這些性能分分鐘影響涂料從標(biāo)題看來，其實具體影響涂料的色素炭黑性能，是需要依據(jù)色素炭黑自身的特點慢慢地分析。首先，色素炭黑自身原始粒徑的大小就是一個主要原因。關(guān)于原始粒徑對碳黑性能的影響，立升色素炭黑廠家小編就不在一一闡述了。下面進入主題討論：在制作黑色涂料時，色素炭黑的原始粒徑不同還影響其分散性，在體積相同的情況下，原始粒徑較小的色素碳黑，其比表面積較大，由于炭黑之間的空隙較多，在潤濕的時候，也就需要更長的時間，可以總結(jié)為潤濕性比較差。在分散時比較好選用性能較好地分散劑以及分散設(shè)備，將其分散到比較好效果，充分體現(xiàn)出其黑度。</p><p style="text-indent:25px">爐黑生產(chǎn)工藝氣黑是在開放大氣中生產(chǎn)的，但爐黑生產(chǎn)工藝則是在缺氧條件下的密閉爐中進行的。使用的不是許多束小火，而是一團大火焰，以油類作原料，并加入可燃?xì)怏w使之達(dá)到爐內(nèi)所需溫度。而改變爐黑生產(chǎn)工藝條件，可得到所需要之顏料黑。比如：不同條件下，炭黑可達(dá)到廣闊的平均粒徑范圍，從80 nm到小至15 nm，更直到細(xì)小至氣黑那樣小的顆粒。但對于同一粒徑，氣黑和爐黑還是有區(qū)別的，主要是表面化學(xué)不同。爐黑產(chǎn)品較為粗糙，平均粒徑為40nm。此外，當(dāng)采用爐黑生產(chǎn)工藝時，可加入少量的堿性化合物或其它添加劑以改變聚集體的聚集度和類型，由此可得到高結(jié)構(gòu)或低結(jié)構(gòu)的炭黑。由于爐黑是在幾乎低于大氣壓及空氣不足條件下生產(chǎn)出來的。所以它們大部分缺乏酸性表面氧化物，然而卻發(fā)現(xiàn)了前面所提到的呈堿性反應(yīng)的吡喃酮結(jié)構(gòu)。關(guān)于爐黑的堿性pH值，是因為在終止炭黑生成時噴射淬化冷水中加入堿土，以及為降低結(jié)構(gòu)而添加的堿性鹽。另外，如果此爐黑不再進行氧化后處理，則其揮發(fā)份含量較低。著色強度可以理解為抵消白色顏料增白能力的效果。著色強度也是隨著原生粒子的粒徑減小和結(jié)構(gòu)的減小而提高。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海冶金碳黑,碳黑" src="http://tyunfile.71360.com/UpLoadFile/shhlssy/2019/8/637007714282461705/6370077142824617051290867.jpg"></div><p style="text-indent:25px">槽黑的生產(chǎn)工藝這種生產(chǎn)工藝以天然氣作原料，槽黑的工藝與氣黑生產(chǎn)工藝的氣體燃燒過程相似，天然氣燃燒，發(fā)出許多扇形火焰，得到的產(chǎn)品與氣黑類似，而不同的是這里采用了平坦的水冷U形槽作為炭黑的沉積槽。由于生態(tài)和經(jīng)濟原因，許多年前就停止了這種方法的使用。而氣黑的生產(chǎn)不會對生態(tài)環(huán)境造成影響，而此氣法炭藝仍在運用。據(jù)記載，中國是世界上**早生產(chǎn)炭黑的國家之一。在古時候，人們焚燒動植物油、松樹枝,收集火煙凝成的黑灰，用來調(diào)制墨和黑色顏料。這種被稱之為“炱”的黑灰就是**早的炭黑。顏料黑作為紫外光吸收劑，主要用作延長塑料制品在戶外使用壽命。上海冶金碳黑</p><p style="text-indent:25px">相同平均粒徑分布寬的炭黑比分布窄的炭黑有更多的粒子總數(shù)。上海冶金碳黑</p><p> 《綱要》明確炭黑企業(yè)的行業(yè)準(zhǔn)入條件。據(jù)悉，“十二五”期間將不再新建規(guī)模在5萬噸以下的炭黑廠；不再建設(shè)產(chǎn)能在2萬噸以下（包括干法造粒和濕法造粒）的炭黑生產(chǎn)裝置。同時，主管部門還將限期淘汰總規(guī)模在5萬噸以下、技術(shù)裝備落后、能耗高、排放超標(biāo)、作業(yè)環(huán)境不好的炭黑廠；立即淘汰規(guī)模在1.5萬噸以下的干法造粒的生產(chǎn)裝置。 </p> <p> 業(yè)內(nèi)人士指出，之所以將淘汰炭黑行業(yè)的落后產(chǎn)能提上日程，是提高我國橡膠產(chǎn)業(yè)競爭力的迫切需要。 </p> <p> 據(jù)了解，我國目前約有炭黑企業(yè)100家，年產(chǎn)能430余萬噸。但是，行業(yè)內(nèi)中小企業(yè)居多，行業(yè)集中度差，以致科研經(jīng)費投入不足，每年雖然有大量中低端產(chǎn)品出口，但是高性能和特種炭黑產(chǎn)品幾乎全部依賴進口，進而影響到了下游橡膠企業(yè)的發(fā)展。 </p> <p> <br /> 上海冶金碳黑</p><p style="text-indent:25px">上海立升實業(yè)有限公司是一家有著雄厚實力背景、信譽可靠、勵精圖治、展望未來、有夢想有目標(biāo)，有組織有體系的公司，堅持于帶領(lǐng)員工在未來的道路上大放光明，攜手共畫藍(lán)圖，在上海市市轄區(qū)等地區(qū)的化工行業(yè)中積累了大批忠誠的客戶粉絲源，也收獲了良好的用戶口碑，為公司的發(fā)展奠定的良好的行業(yè)基礎(chǔ)，也希望未來公司能成為*****，努力為行業(yè)領(lǐng)域的發(fā)展奉獻(xiàn)出自己的一份力量，我們相信精益求精的工作態(tài)度和不斷的完善創(chuàng)新理念以及自強不息，斗志昂揚的的企業(yè)精神將**上海立升實業(yè)有限和您一起攜手步入輝煌，共創(chuàng)佳績，一直以來，公司貫徹執(zhí)行科學(xué)管理、創(chuàng)新發(fā)展、誠實守信的方針，員工精誠努力，協(xié)同奮取，以品質(zhì)、服務(wù)來贏得市場，我們一直在路上！</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3116017.html</p></div></div></div></div></div><div id="p7sypvw" class="page-right twoColRt"><div id="kyz8x3q" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="lzqh3fo" 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配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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