錦湖 KEP-270 真誠推薦上海君宜化工供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="EPDM耐熱輸送帶中的應(yīng)用耐熱輸送帶廣泛應(yīng)用于冶金、焦化、建材等高溫作業(yè)環(huán)境中，主要輸送燒結(jié)礦石、焦炭和水泥等高溫固體物料，由于冷卻不充分，物料溫度瞬間可達(dá)４００℃～６００℃，部分高達(dá)８００℃以上，因此輸送帶必須具有非常高的耐熱性。三元乙丙"><meta name="keywords" content="錦湖 KEP-270,錦湖"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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href="http://www.cdcfah.com/cp/second-_xiangsu/">橡塑</a>?<a href="http://www.cdcfah.com/cp/third-xiangsu_qtflmw/">其他未分類</a>?錦湖 KEP-270 真誠推薦上海君宜化工供應(yīng)</p><div id="tda3ld8" class="leftbox clearfix"><h1>錦湖 KEP-270 真誠推薦上海君宜化工供應(yīng)</h1><div id="dbtvsbf" class="proBig"><div id="nccz3ap" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000898065169874/6370008980651698743415527.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3tq7gd3" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000898065169874/6370008980651698743415527.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="fyq3hod" 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>錦湖 KEP-270,錦湖</p><p><span>***更新：</span>2020-12-15 09:03:17</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="irjgykm" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海君宜化工銷售中心（有限合伙）</a></p><p><span>聯(lián)系人：</span>蘇剛</p><p><span>郵箱: </span>sg@estrongchem.com</p><p><span>電話: </span>13524989551</p><p><span>傳真: </span>021_60823996 </p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>021-60826029</p><p><span>地址: </span>上海市浦東新區(qū)五星路676弄萬科御河10棟</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="wphzbik" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="rlyvn3y" class="box"><p><p> EPDM耐熱輸送帶中的應(yīng)用 </p> <p> 耐熱輸送帶廣泛應(yīng)用于冶金、焦化、建材等高溫作業(yè)環(huán)境中，主要輸送燒結(jié)礦石、焦炭和水泥等高溫固體物料，由于冷卻不充分，物料溫度瞬間可達(dá)４００℃～６００℃，部分高達(dá)８００℃以上，因此輸送帶必須具有非常高的耐熱性。三元乙丙橡膠（ＥＰＤＭ）具有優(yōu)良的耐高低溫性能（一５０～１２５℃），在通用橡膠中具有比較好耐熱性能，在１２５℃下可長期使用，在１５０＂Ｃ或更高溫度下短期使用，因此它可用作耐熱輸送帶覆蓋層橡膠材料。 </p> <p> 耐熱輸送帶按ＧＢ／ＴＧＢ／Ｔ２００２１－－２００５《帆布芯耐熱輸送帶》規(guī)定，按試驗溫度不同分為四個等級：Ｔ１，可耐熱不大于１００℃的試驗溫度；Ｔ２，錦湖 KEP-270，錦湖 KEP-270，耐熱不大于１２５℃的試驗溫度；Ｔ３，錦湖 KEP-270，可耐熱不大于１５０＂Ｃ的試驗溫度；Ｔ４，可耐熱不大于１７５℃的試驗溫度。其中Ｔ３和Ｔ４一般需用ＥＰＤＭ制造。 </p> <p> <br /> 三元乙丙橡膠(EPDM)常用依據(jù)不同的性能要求可使用硫黃、過氧化物及樹脂硫化。錦湖 KEP-270</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖 KEP-270,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000898065169874/6370008980651698743415527.JPG"></div><p> 8. EPDM密封條 </p> <p> 乙丙橡膠耐老化性好。它是乙烯和丙烯在催化劑作用下共聚而成。該品具有良好的化學(xué)穩(wěn)定性、耐熱性、耐酸、耐堿性、耐寒性。對于高壓蒸汽和磷酸脂系用乙丙膠制密封件可得到十分滿意的效果。在礦物油中不宜使用，因易泡漲。乙丙橡膠缺點是在室溫下粘度不好，給加工制造帶來困難。硫化時間也長，為此人們研究了三元乙丙膠，即在橡膠分子側(cè)鏈中引進(jìn)不飽和鍵，所以可以用硫磺硫化，同時也便于加工。乙丙橡膠綜合物理機(jī)械性能介于天然膠與丁苯膠之間，與丁基橡膠類似。使用溫度 -45~1 50℃。在一般的橡膠制品中，乙丙膠件使用壽命**長。目前密封條市場主要以三元乙丙（ EPDM ）橡膠為主，且先后被應(yīng)用到門窗、機(jī)柜、汽車等各種行業(yè)，根據(jù)不同行業(yè)的要求，先后研發(fā)出了特有的門窗密封條、機(jī)柜密封條、汽車密封條等產(chǎn)品。錦湖KUMHO KEP-282F過氧化物常用交聯(lián)助劑有:烯丙基化合物(TAC和TAIC等),DTDM,HVA-2等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖 KEP-270,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000842536067112/6370008425360671123610909.JPG"></div><p> EPDM密煉相關(guān) </p> <p> 密煉時的注意事項 </p> <p> 1)內(nèi)部混合時投入量以缸膛凈容積NCV)的體積為基準(zhǔn)，填充759%-85%。 </p> <p> 2)混煉溫度的適當(dāng)范圍大概是130-160C，但隨著內(nèi)部攪拌器的形式、冷卻方式、爐量、混合劑的種類和量等的不同而出現(xiàn)差異。 </p> <p> 3)右下向上法若在填充劑、加工原料油大量混合時使用，短時間內(nèi)即可進(jìn)行混煉。 </p> <p> 密煉煉時的檢查項目 </p> <p> 在現(xiàn)場進(jìn)行內(nèi)部混煉時，容易發(fā)生分散不良、物性不良等問題，為防止發(fā)生這些問題，要注意如下檢查點。 </p> <p> l 產(chǎn)品的特點與混合方法(混煉模式)是否選擇正確? </p> <p> l 選擇的聚合體的形態(tài)是?(大包、松散塊狀、顆粒狀、碎屑等) </p> <p> l 批量號投入適量嗎? </p> <p> l 投入物的種類、形態(tài)、重量準(zhǔn)確嗎? </p> <p> l 攪拌器的Ram壓力適當(dāng)嗎?沖壓跳動程度及混煉聲音。循環(huán)水的溫度準(zhǔn)確嗎? </p> <p> l 連續(xù)混煉時攪拌器內(nèi)部溫度的上升程度? </p> <p> l 轉(zhuǎn)子的旋轉(zhuǎn)速度及清理。排出溫度以及時間準(zhǔn)確嗎? </p> <p> l 被排出的混合物的形態(tài)及排出狀態(tài)是?(有無未分散的塊?) </p> <p> l 被排出的混合物的氣味(具有揮發(fā)性物質(zhì)的氣味) </p> <p> l 攪拌器的溫度圖表、耗電圖表狀態(tài)正常嗎? </p> <p> l 季節(jié)性因素：大氣溫度、原材料的保管狀態(tài)及溫度、中間材料的保管狀志及溫度 </p> <p> l 有無**近更換的原材料、輔助材料? </p> <p> l 自動計量狀態(tài)是否良好? </p><p> EPDM共混改性二： </p> <p> ＥＰＤＭ／聚酰胺（ＰＡ）：ＰＡ具有很高的抗張強(qiáng)度和抗沖擊韌性和耐磨性，與ＥＰＤＭ共混為一種高彈性模量和良好加工性能的彈性體，主要用于制造汽車零部件和建筑材料。北京化工大學(xué)馬勇等選用氯化聚乙烯（ＣＰＥ）作為ＥＰＤ脅體系的增容劑，研究得至ＵＣＰＥ的比較好用量是ＰＡ的１／２，當(dāng)ＰＡ用量為３０-４０份時產(chǎn)生比較好增***果。該項研究產(chǎn)物**提高了ＥＰＤＭ撕裂強(qiáng)度，而磨耗降低和耐油性提高，尤其是通過壓延拉伸ＰＡ能形成類似短纖維補(bǔ)強(qiáng)的微纖復(fù)合材料（ⅧＲＣ）。 </p> <p> ＥＰＤＭ／有機(jī)硅硅橡膠（ｖＭＱ）ＥＰＤＭ與有機(jī)硅橡膠改性，可以獲得許多優(yōu)異特性，在耐熱性、耐候性、壓縮長久變形性能方面優(yōu)于硅橡膠，既可用硫磺硫化，又可用過氧化物硫化，適用于多種成型方式，因此可用于硅橡膠或乙丙橡膠不能適應(yīng)的場合，如汽車減震材料、發(fā)動機(jī)耐熱部件、電氣部件等，耐熱等級從ＥＰＤＭ的１５０℃提高到１７５℃。 </p> <p> <br /> 三元制乙丙橡膠不但具有優(yōu)異的電絕緣性能，而且耐臭氧、耐火、耐候、防老化。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖 KEP-270,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000839581671305/6370008395816713052558776.JPG"></div><p> 2.過氧化物硫化時要加入防老劑才能使硫化中生成的碳．碳鍵的耐熱老化性能充分發(fā)揮。典型的聚合型喹啉防老齊ＵＴＭＱ（ＲＤ）對過氧化物硫化的干擾**小（模量下降較小，壓縮長久變形增大較?。歉鼜?qiáng)的自由基捕捉型防老劑４４５（二烷基二苯胺）卻可達(dá)到更好的高溫老化后物理性能。防老劑４４５和防老劑增效劑ＭＢＺ搭配使用提供了比較好的空氣老化后綜合性能保持率。ＥＰＤＭ過氧化物交聯(lián)體系中加入含氯聚合物如ＣＲ、ＣＳＭ等可進(jìn)一步提高ＥＰＤＭ硫化膠的抗老化性能。ＣＲ、防老劑４４５和防老劑增效劑Ｍ舊Ｚ三者并用可使ＥＰＤＭ獲得比較好的耐熱效果。 </p> <p> 乙烯基硅烷偶聯(lián)劑Ａ１７２的加入有助于提高ＥＰＤＭ高溫老化后的伸長率保持率。使用乙烯基硅烷還能使ＥＰＤＭ電纜橡皮膠料在水浸漬期間保持電絕緣性能，乙烯基硅烷偶聯(lián)劑能改善聚合物與填料的結(jié)合強(qiáng)度，防止浸入，從而使ＥＰＤＭ保持了很好的電性能。ＥＰＤＭ配合中，如將ＬＥＰＤＭ替代配方中的石蠟油類軟化劑可進(jìn)一步提高ＥＰＤＭ的高溫耐熱性。用納米技術(shù)能夠在分子水平上重組物質(zhì)結(jié)構(gòu)，從而使新材料具有比傳統(tǒng)材料更優(yōu)越的性能。錦湖KUMHO KEP-282F</p><p style="text-indent:25px">硫載體硫化膠交聯(lián)密度大，綜合力學(xué)性能較好,長久變形大,耐熱老化性能差。錦湖 KEP-270</p><p> 2. 分子量對三元乙丙膠性能的影響： </p> <p> 三元乙丙橡膠的分子量及分布可以通過凝膠滲透色譜法使用二氯苯作為溶劑在高溫下（150℃）測量而得。分子量分布通常被稱為是重量平均分子量與數(shù)量平均分子量的比例。根據(jù)普通和高度支化的結(jié)構(gòu)，這個值通常在2到5之間變化。三元乙丙橡膠的門尼粘度可以反映其分子量的大小，三元乙丙橡膠的門尼粘度范圍通常在20到100之間。 </p> <p> 增加三元乙丙橡膠的分子量，正面影響有：更高的拉伸和撕裂強(qiáng)度，在高溫情況下更高的生坯強(qiáng)度，能夠吸收更多的油和填料（低成本）。但是過高的分子量也會使得橡膠的流動性能變差，這意味橡膠后續(xù)加工會更加的困難，比如更難混煉，更難充模，更難擠出等等，隨著分子量分布的增加，正面的影響有：增加的混煉和碾磨加工性。但是，較窄的分子量分布可以改進(jìn)硫化速度，硫化狀態(tài)以及注塑行為。錦湖 KEP-270</p><p style="text-indent:25px">上海君宜化工銷售中心（有限合伙）致力于橡塑，是一家貿(mào)易型公司。公司業(yè)務(wù)涵蓋化工原料及產(chǎn)品，橡膠，炭黑，色母粒，彈性體等，價格合理，品質(zhì)有保證。公司秉持誠信為本的經(jīng)營理念，在橡塑深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點，發(fā)揮人才優(yōu)勢，打造橡塑良好品牌。上海君宜化工憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2414702.html</p></div></div></div></div></div><div id="ptln3yf" class="page-right twoColRt"><div id="3hzgi7f" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rgdvspb" 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)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="3np2asz" class="recomPic likePro"><a 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