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class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/shhlssy/2019/8/637007923435149067/6370079234351490673024554.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="luby7dp" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/shhlssy/2019/8/637007923435149067/6370079234351490673024554.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="k3x77jk" 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>重慶油墨碳黑,碳黑</p><p><span>***更新：</span>2021-01-29 03:02:35</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="s8wlhek" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海立升實(shí)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(jī): </span>021-31001391</p><p><span>地址: </span>上海閔行區(qū)瓶安路1358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="ptvcouq" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="m77jubc" class="box"><p> 炭黑，輕、松而極細(xì)的黑色粉末。多指碳單質(zhì)微粒，一般是由于有機(jī)物燃燒不充分，其中的氫元素和氧元素轉(zhuǎn)化為水，而碳元素燃燒不充分，就會(huì)脫離分子，重慶油墨碳黑，形成炭黑。那么，炭黑這樣一種黑色粉末都有哪些作用呢？ <p> 炭黑主要用作橡膠的補(bǔ)強(qiáng)劑和填料，其消耗量大約為橡膠消耗量的一半，橡膠用炭黑占炭黑總量的94％，其中約60％用于輪胎制造。此外，炭黑也可以做成許多其他制品，如電極、干電池、**、電阻器，重慶油墨碳黑、化妝品及拋光膏中，重慶油墨碳黑，也是重要的助劑。用作涂料、油墨和塑料的著色劑以及塑料制品的紫外光屏蔽劑等。 </p> <p> 炭黑具有優(yōu)良的橡膠補(bǔ)強(qiáng)，塑料著色，導(dǎo)電或抗靜電防紫外線等功能，其應(yīng)用范圍也在不斷擴(kuò)大，不同炭黑其應(yīng)用范圍也不同，小編建議廣大用戶朋友根據(jù)自己需求購買相應(yīng)的炭黑產(chǎn)品。由于炭黑的表面積較大，容易吸附揮發(fā)份環(huán)境中的水分，所以炭黑在運(yùn)輸貯存及使用過程中要特別注意吸濕問題。重慶油墨碳黑</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶油墨碳黑,碳黑" src="http://tyunfile.71360.com/UpLoadFile/shhlssy/2019/8/637007923435149067/6370079234351490673024554.jpg"></div><p style="text-indent:25px">導(dǎo)電炭黑的隧道效應(yīng)是什么決定的？不清楚大家是否有關(guān)注，**近用電子顯微鏡觀察拉伸狀態(tài)的橡膠不存在炭黑鏈鎖，卻仍有導(dǎo)電現(xiàn)象，立升導(dǎo)電炭黑廠家認(rèn)可這就是隧道效應(yīng)。其主要論點(diǎn)認(rèn)為，導(dǎo)電性是由導(dǎo)電炭黑粒子的隧道決定的。同時(shí)并有試驗(yàn)證明，隨著導(dǎo)電炭黑粒子間距的增大，體積電阻亦隨之升高。還有電場放射導(dǎo)電機(jī)理，是因?yàn)樵谘芯繉?dǎo)電炭黑填充的高分子材料的電壓，電流特性時(shí)，發(fā)現(xiàn)其結(jié)果不符合歐姆定律，認(rèn)為其所以如此，是由于炭黑粒子間產(chǎn)生高的電場強(qiáng)度而發(fā)生電流導(dǎo)致電場放射。綜上所述，無論從哪種導(dǎo)電機(jī)理來理解，都認(rèn)為導(dǎo)電炭黑的種類和配合量是支配材料**終所表現(xiàn)的導(dǎo)電性的主要因素。重慶油墨碳黑炭黑按用途不同，通常分為色素用炭黑、橡膠用炭黑、導(dǎo)電碳黑和**碳黑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶油墨碳黑,碳黑" src="http://tyunfile.71360.com/UpLoadFile/2019/8/8/21/637008955391718328_shhlssy_5816977.jpg"></div><p> 涂料用炭黑重要指標(biāo)二：炭黑著色力著色力（著色強(qiáng)度）是將白色或彩色顏料和炭黑混合時(shí)，炭黑的著色能力。也就是炭黑使混合物系光吸收作用提高的程度。這一特性取決于炭黑和顏料的配量比和炭黑本省的性質(zhì)，當(dāng)配量比一定時(shí)，某一炭黑的著色能力即為其著色強(qiáng)度，在涂料行業(yè)中稱為著色力。炭黑粒徑小時(shí)，結(jié)構(gòu)低，著色力就較高，然而當(dāng)粒子小于20nm時(shí)著色能力不再上升，甚至下降。 </p> <p> 涂料用炭黑重要指標(biāo)三：炭黑色相 “炭黑粒子”隨粒徑減小而減弱的光反射還會(huì)影響色相。用細(xì)粒徑炭黑進(jìn)行表層黑色著色產(chǎn)生淡藍(lán)色相，它能進(jìn)一步增強(qiáng)高色度視覺印象。用粗粒徑炭黑著色則會(huì)產(chǎn)生棕**調(diào)。 </p><p> 分散的目的是使色素炭黑的內(nèi)部結(jié)構(gòu)分布均勻，分散效果直接影響到色素炭黑的特性，還有制品的色相、黑度和遮蓋力等。色素炭黑分散不好會(huì)導(dǎo)致下面的狀況。 </p> <p> <br /> </p> <p> <br /> </p> <p> 1、顏色強(qiáng)度不穩(wěn)定，黑度展現(xiàn)力度不夠，并且外觀色澤不好。 </p> <p> <br /> </p> <p> 2、色素炭黑內(nèi)部分布不均勻，出現(xiàn)條紋。 </p> <p> <br /> </p> <p> 3、在生產(chǎn)油墨過程中，色素炭黑分散不好直接會(huì)導(dǎo)致后期印刷質(zhì)量差。 </p> <p> <br /> </p> <p> 4、擠出機(jī)的過濾篩網(wǎng)被堵塞，在擠出加工吹朔薄膜時(shí)，未破碎的炭黑附聚物引起膜泡撕裂。 </p> <p> <br /> </p> <p> 5、引起單絲和扁絲斷裂，制品機(jī)械強(qiáng)度降低。 </p> <p> <br /> </p> <p> 同時(shí)要注意的是色素碳黑被研磨分散時(shí)，粒子細(xì)度應(yīng)不大于15um。在有些涂料中，甚至要求低于5um。由于生產(chǎn)工藝的不同，通過不同的工藝條件可得到各種性質(zhì)不同的產(chǎn)品。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶油墨碳黑,碳黑" src="http://tyunfile.71360.com/UpLoadFile/shhlssy/2019/8/637007714689791729/6370077146897917295677514.jpg"></div><p> 《綱要》明確，在淘汰落后產(chǎn)能的同時(shí)，將培育5-7個(gè)規(guī)模在50萬噸左右、可與跨國炭黑公司抗衡的炭黑集團(tuán),以現(xiàn)有企業(yè)的整合標(biāo)準(zhǔn)，逐步實(shí)現(xiàn)園區(qū)化、等量代替和有進(jìn)有退的發(fā)展模式。 </p> <p> <br /> </p> <p> 大力推進(jìn)低碳技術(shù) </p> <p> <br /> </p> <p> 針對炭黑行業(yè)存在的污染問題，《綱要》提出，要嚴(yán)格貫徹執(zhí)行《炭黑單位產(chǎn)品能耗限額》國家強(qiáng)制標(biāo)準(zhǔn)，對未達(dá)標(biāo)企業(yè)要進(jìn)行限期整改，復(fù)查仍不達(dá)標(biāo)的必須停止生產(chǎn)。 </p> <p> <br /> </p> <p> 記者了解到，“十二五”期間，橡膠工業(yè)協(xié)會(huì)將推廣應(yīng)用炭黑污水處理和回收利用技術(shù)，實(shí)現(xiàn)污水零排放。同時(shí)推廣炭黑輸送和包裝設(shè)備密封吸塵新技術(shù)，提倡采用大包裝和槽車送貨方式，減少炭黑粉塵污染。 </p> <p> <br /> </p> <p> 對此，中投顧問化工行業(yè)研究員常軼智指出，我國炭黑行業(yè)經(jīng)過多年的發(fā)展，**企業(yè)的低碳生產(chǎn)水平已經(jīng)基本能夠滿足上述要求。上市公司中，黑貓股份和龍星化工作為炭黑行業(yè)的**，能夠滿足《綱要》中各項(xiàng)指標(biāo)的要求，“十二五”期間其成長環(huán)境將進(jìn)一步優(yōu)化。隨著粒徑的減小，光散射程度降低。重慶油墨碳黑</p><p style="text-indent:25px">炭黑的耗用量一般占橡膠耗用量的40%～50% 也就是說，在橡膠配方中，通常每使用2 份橡膠就會(huì)搭配使用1 份炭黑。重慶油墨碳黑</p><p style="text-indent:25px">分散性顏料黑越細(xì)，炭黑聚集體之間接觸點(diǎn)便越多，結(jié)果它們之間內(nèi)聚力越強(qiáng)，當(dāng)把顏料黑摻入料，即開始進(jìn)行始炭黑均勻分布時(shí)，則對分散要作的功便大，以把炭黑粒子分隔開來，**終達(dá)到比較高的黑度和著色。與高結(jié)構(gòu)炭黑相比，低結(jié)構(gòu)炭黑較有可能達(dá)到高的濃度，但在分散過程中卻因此需要較大分散力。炭黑的分散性能受結(jié)構(gòu)程度的影響，由于高結(jié)構(gòu)炭黑具有良好的分散性能，所以其著色強(qiáng)度也就自然較強(qiáng)。在使用粉狀炭黑時(shí)，會(huì)出現(xiàn)分散及令人頭疼的灰塵問題，因此，可使用母?；驖{狀物。預(yù)制炭黑的價(jià)格要比單純使用顏料黑要高，但若考慮到清潔的工序、高的效率及技術(shù)投資少的優(yōu)點(diǎn)，炭黑制劑是有其價(jià)值的。重慶油墨碳黑</p><p style="text-indent:25px">上海立升實(shí)業(yè)有限公司是一家有著雄厚實(shí)力背景、信譽(yù)可靠、勵(lì)精圖治、展望未來、有夢想有目標(biāo)，有組織有體系的公司，堅(jiān)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(qiáng)不息，斗志昂揚(yáng)的的企業(yè)精神將**上海立升實(shí)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(shí)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/3056873.html</p></div></div></div></div></div><div id="cbstk8j" class="page-right twoColRt"><div id="dx3rj3b" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8wspgso" 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)" 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