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href="http://www.cdcfah.com/cp/second-huagong_wjfjscl/">無機(jī)非金屬材料</a>?<a href="http://www.cdcfah.com/cp/third-wjfjscl_wjfhcl/">無機(jī)復(fù)合材料</a>?上海超導(dǎo)電碳黑詢問報(bào)價上海立升實(shí)業(yè)供應(yīng)</p><div id="triuvmn" class="leftbox clearfix"><h1>上海超導(dǎo)電碳黑詢問報(bào)價上海立升實(shí)業(yè)供應(yīng)</h1><div id="ehijl3g" class="proBig"><div id="uxypv2b" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/8/21/637008955391718328_shhlssy_3336314.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="qevrdj3" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/8/21/637008955391718328_shhlssy_3336314.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="oceacmn" 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>上海超導(dǎo)電碳黑詢問報(bào)價</p><p><span>***更新：</span>2020-05-26 10:22:53</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="c8jxd3s" 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</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="kd3rntv" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3a8ul2c" class="box"><p><p> 1821 年人們在北美地區(qū)***用天然氣為原料生產(chǎn)炭黑，從此炭黑不再是“炱”那么簡單，它是“氣態(tài)或液態(tài)的碳?xì)浠衔镌诳諝獠蛔愕臈l件下進(jìn)行不完全燃燒或熱裂分解所生成的無定形碳，為疏松、質(zhì)輕而極細(xì)的黑色粉末”。大片油氣田相繼開采,源源不斷的原料供應(yīng)推動炭黑生產(chǎn)由手工操作邁入了大規(guī)模工業(yè)化時代，上海超導(dǎo)電碳黑詢問報(bào)價。1912 年人們發(fā)現(xiàn)炭黑對橡膠具有補(bǔ)強(qiáng)作用，從此炭黑逐漸成為橡膠工業(yè)不可缺少的原材料。世界橡膠工業(yè)原材料耗用量排在***位的是生膠，第二位的是炭黑；換言之，炭黑已成為消費(fèi)量比較大的橡膠配合劑，上海超導(dǎo)電碳黑詢問報(bào)價。炭黑的耗用量一般占橡膠耗用量的40%～50% ，也就是說，上海超導(dǎo)電碳黑詢問報(bào)價，在橡膠配方中，通常每使用2 份橡膠就會搭配使用1 份炭黑。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海超導(dǎo)電碳黑詢問報(bào)價" src="http://tyunfile.71360.com/UpLoadFile/2019/8/8/21/637008955391718328_shhlssy_3336314.jpg"></div><p> 比表面積 </p> <p> 可用BET（Brunauer-Enmet-Teller）即低溫氮吸附方法測定。也可用世界上通用的簡捷的碘吸附方法。測定結(jié)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(jié)構(gòu) </p> <p> 色素炭黑結(jié)構(gòu)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(nèi)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。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(jìn)行。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海超導(dǎo)電碳黑詢問報(bào)價" src="http://tyunfile.71360.com/UpLoadFile/shhlssy/2019/8/637007714389991701/6370077143899917014608011.JPG"></div><p> 色素炭黑在塑料應(yīng)用問題色素炭黑基本性能，原生粒徑、結(jié)構(gòu)、孔隙率和表面官能團(tuán)，對塑料性能的影響有以下幾點(diǎn)： </p> <p> 色素炭黑原生粒徑小(比表面積大) </p> <p> (1)可以提高炭黑的黑度； </p> <p> (2)可以提高炭黑的著色力； </p> <p> (3)可以增強(qiáng)炭黑抗紫外線的能力； </p> <p> (4)可以提高炭黑的電導(dǎo)率； </p> <p> (5)能增大塑料的粘度； </p> <p> (6)降低炭黑的分散性； </p> <p> (7)增加炭黑和塑料的吸水量。 </p> <p> 色素炭黑的分散和穩(wěn)定性如果不能滿足使用的要求，會直接影響塑料制品的性能。常見的問題有：(1)“絮凝”、“返粗”、“團(tuán)聚”是顏料漿中常見的一些分散問題。它們是因?yàn)樯靥亢诹Ｗ又g的布朗運(yùn)動產(chǎn)生的。要達(dá)到理想的分散，有賴于分散設(shè)備的提高、添加劑的應(yīng)用和另外一些技術(shù)的運(yùn)用。(2)顏料漿分散不好，導(dǎo)致塑料制品的黑度下降，偏棕色，光澤差。這些問題可以通過加大分散力度解決；也可以通過調(diào)整炭黑的填充量來完成；也可以通過增加混合的時間、改善混合條件來解決。(3)塑料粘度高與炭黑添加量過多有關(guān)，而且添加量大，可能會導(dǎo)致塑料過熱。溫度過高會對熱敏性聚合物產(chǎn)生不良反應(yīng)，造成體系過熱，引起凝膠的產(chǎn)生；還會降低色素炭黑的分散質(zhì)量和體系的穩(wěn)定性。因此，減少炭黑的添加量或控制好適當(dāng)?shù)臏囟葧兄跍p少問題的發(fā)生幾率。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海超導(dǎo)電碳黑詢問報(bào)價" src="http://tyunfile.71360.com/UpLoadFile/shhlssy/2019/8/637007715042287158/6370077150422871585295640.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/46597.html</p></div></div></div></div></div><div id="yko3mij" class="page-right twoColRt"><div id="gea9xop" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="trhvg2c" class="recomPic likePro"><a 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