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href="http://www.cdcfah.com/cp/first-_huagong/">化工</a>?<a href="http://www.cdcfah.com/cp/second-huagong_wjfjscl/">無機非金屬材料</a>?<a href="http://www.cdcfah.com/cp/third-wjfjscl_wjfhcl/">無機復合材料</a>?上海進口碳黑銷售公司上海立升實業(yè)供應</p><div id="j372bs3" class="leftbox clearfix"><h1>上海進口碳黑銷售公司上海立升實業(yè)供應</h1><div id="ge8lptf" class="proBig"><div id="g2wmjyk" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/shhlssy/2019/8/637007714520259984/6370077145202599841485506.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="2bg7gsj" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/shhlssy/2019/8/637007714520259984/6370077145202599841485506.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ktapby3" 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>產品關鍵詞：</span>上海進口碳黑銷售公司,碳黑</p><p><span>***更新：</span>2020-06-16 04:16:27</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="28n3nkw" 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="foqspg8" class="page-proshow02"><p class="title">詳細說明</p><div id="s333ceg" class="box"><p><p> 比表面積 </p> <p> 可用BET（Brunauer-Enmet-Teller）即低溫氮吸附方法測定，上海進口碳黑銷售公司。也可用世界上通用的簡捷的碘吸附方法。測定結果每克具有的表面積（㎡/g）。 </p> <p> <br /> </p> <p> 粒徑 </p> <p> 炭黑的原聲粒徑，它是通過電子顯微鏡測試的，是一定顆數(shù)粒徑的平均值 </p> <p> <br /> </p> <p> 結構 </p> <p> 色素炭黑結構是色素炭黑微粒子聚集體形成的鏈枝程度的表征值，它表示了色素炭黑內部的空隙程度。通常以吸油值（DBP吸收值）表示。 </p> <p> <br /> </p> <p> 黑度（反射率） </p> <p> 色素炭黑黑度通常以“反射率測定儀”測定的數(shù)據(jù)來表示，在大部分情況下也反映了該色素炭黑的原始粒徑，是衡量該色素炭場價格的重要參數(shù)之一，上海進口碳黑銷售公司。反射率越低，色素炭黑黑度越高，粒徑也越小。反之亦然。 </p> <p> <br /> </p> <p> 著色力 </p> <p> 是表示色素炭黑染色白體的能力，一般著色力高，其遮蓋性能好、測試方法按ASTM-3265進行。藍光總體散射強烈，上海進口碳黑銷售公司，在相反方向，即后方的散射也強烈，于是又從著色層中反射出來。上海進口碳黑銷售公司</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海進口碳黑銷售公司,碳黑" src="http://tyunfile.71360.com/UpLoadFile/shhlssy/2019/8/637007714520259984/6370077145202599841485506.jpg"></div><p style="text-indent:25px">爐黑生產工藝氣黑是在開放大氣中生產的，但爐黑生產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，并加入可燃氣體使之達到爐內所需溫度。而改變爐黑生產工藝條件，可得到所需要之顏料黑。比如：不同條件下，炭黑可達到廣闊的平均粒徑范圍，從80 nm到小至15 nm，更直到細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，主要是表面化學不同。爐黑產品較為粗糙，平均粒徑為40nm。此外，當采用爐黑生產工藝時，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，由此可得到高結構或低結構的炭黑。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的吡喃酮結構。關于爐黑的堿性pH值，是因為在終止炭黑生成時噴射淬化冷水中加入堿土，以及為降低結構而添加的堿性鹽。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。上海進口碳黑銷售公司常用吸油值表示結構性，吸油值越大，炭黑結構性越高，容易形成空間網絡通道，而且不易破壞。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海進口碳黑銷售公司,碳黑" src="http://tyunfile.71360.com/UpLoadFile/2019/8/8/21/637008955391718328_shhlssy_6193625.jpg"></div><p style="text-indent:25px">色調“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，也影響色調，原因如下：當可將光穿過一主色為黑色的著色層時，短波的藍光比長波的紅光的散射效應更強烈。炭黑越細，這種效應越***。紅光成分由于散射損失較小，因此進入著色層的深度大一些。藍光總體散射強烈，在相反方向，即后方的散射也強烈，于是又從著色層中反射出來。當觀察反射過程時，經細炭黑著色的出現(xiàn)藍**調，會給人黑度更高的感覺。如果炭黑粗大，則相應地呈現(xiàn)棕**調。當觀察透射過程時，相同的著色層（不完全透明的薄膜）的色調關系正好相反，隨著粒徑的減小，散射較強的藍光穿過著色層的深度較小，即藍光穿過著色層至另一面成分較少，從另一面穿出來。因此，由于在觀察的那一面缺少藍光成分，著色層在透射過程中觀察時，便呈現(xiàn)棕**調。當以鈦白粉調灰（灰**調）時的情形，與在透射過程中觀察主色的著色狀況相似，光線在含有黑色顏料塑料片中的白顏料中來回散射，越小粒徑的炭黑，會使可見光內藍光的散射越強，因此較多其余的紅光部分便透射過來，呈現(xiàn)出帶黃**調的灰色，相反地，如著色時用粗粒徑的炭黑，尤其是較為粗大的燈黑，則會得到帶藍**調的灰色。</p><p style="text-indent:25px">黑度黑度是指炭黑所具有的黑色呈現(xiàn)強度。炭黑作著色時，黑度主要基于對光的吸收，對于特定濃度的炭黑，炭黑越細小，則光吸收程度越高。黑度除了受炭黑內部的光吸收外，也受由于粒子表面幾何機構的影響而產生了具有增亮效應的光散射，這會降低黑度。隨著粒徑的減小，光散射程度降低。只有對于很細的炭黑，提高炭黑的濃度才能提高黑度，對于粗大的炭黑，具支配因素的光散射程度因炭黑數(shù)增加而提高，黑度反而相應降低。著色強度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構的減小而提高。炭黑是烴類經氣相不完全燃燒或熱裂解而成的黑色粉末狀物質。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海進口碳黑銷售公司,碳黑" src="http://tyunfile.71360.com/UpLoadFile/2019/8/8/21/637008955391562167_shhlssy_7224687.jpg"></div><p style="text-indent:25px">1）燈黑生產工藝歷史上**早的炭黑生產法是燈黑生產工藝，在該工藝過程中，原料在直徑大至1.5 m的平坦的燃燒鐵盤上燃燒，含有炭黑的燃燒氣體由內鋪有磚塊的排氣罩收集，然后通過彎管（彎折1/4）和通火管到達沉積的裝置。為了控制所產炭黑的特性，應當保證在燃燒盤和排氣罩之間的間隙附近，原料主要作不完全燃燒。而在稍進管道里面，燃燒在氧氣不足下發(fā)生熱烈解，因而形成較大的炭黑顆粒，由于這些原因，組成較寬范圍的粒徑分布，主要特征為顆粒粗大。由于在燃燒盤和排氣罩間隙間形成的顆粒只有小部分能與空氣中的氧份接觸，因此這些炭黑只有少量的表面氧化物，相應的pH值呈中性，并且揮發(fā)份極少。粒徑分布寬的炭黑粒子比分布窄的炭黑粒子更能賦予聚合物導電性，并用統(tǒng)計方法解釋這個現(xiàn)象。上海進口碳黑銷售公司</p><p style="text-indent:25px">濃度為0.5%的小粒徑炭黑（20 nm）與2%的相對粗粒徑的炭黑（95 nm）差不多具有同樣的光保護作用。上海進口碳黑銷售公司</p><p style="text-indent:25px">色素炭黑這些性能分分鐘影響涂料從標題看來，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備，將其分散到比較好效果，充分體現(xiàn)出其黑度。上海進口碳黑銷售公司</p><p style="text-indent:25px">上海立升實業(yè)有限公司創(chuàng)立于2009-11-27，是一家服務型公司。公司自成立以來，以質量為發(fā)展，讓匠心彌散在每個細節(jié)，公司旗下[ "炭黑", "白炭黑", "蠟粉", "分散劑" ]深受客戶的喜愛。公司秉持誠信為本的經營理念，在化工深耕多年，以技術為先導，以自主產品為**，發(fā)揮人才優(yōu)勢，打造化工質量品牌。公司憑借深厚技術支持，年營業(yè)額度達到2000-3000萬元，并與多家行業(yè)**公司建立了緊密的合作關系。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/273873.html</p></div></div></div></div></div><div id="uifceg8" class="page-right twoColRt"><div id="hvcz2cj" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="yn7ghi8" 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" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="vebd77r" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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