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id="i2pfhjl" class="proBig"><div id="p3ol8g2" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000895546965197/6370008955469651972633765.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="cpgdamt" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000895546965197/6370008955469651972633765.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ycjgdk3" 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>機(jī)械性能優(yōu)異錦湖EPDM,錦湖</p><p><span>***更新：</span>2021-01-24 10:02:40</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="3pwyfw9" 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="w8ac28c" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="uo7yvsv" class="box"><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，機(jī)械性能優(yōu)異錦湖EPDM。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，機(jī)械性能優(yōu)異錦湖EPDM，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，機(jī)械性能優(yōu)異錦湖EPDM，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 /> 三元乙丙橡膠制品在120℃下可長期使用，在150～200℃下可短暫或間歇使用。機(jī)械性能優(yōu)異錦湖EPDM</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="機(jī)械性能優(yōu)異錦湖EPDM,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000895546965197/6370008955469651972633765.JPG"></div><p> EPDM在汽車暖氣、通風(fēng)和空調(diào)管中的應(yīng)用 </p> <p> 橡膠管一般分三層構(gòu)成，即內(nèi)層、中間加強(qiáng)層（化纖織物或鋼絲）及外層。三層所用材料應(yīng)根據(jù)實際要求進(jìn)行選擇。內(nèi)層膠應(yīng)耐所送介質(zhì)的腐蝕，外層膠應(yīng)具有機(jī)械強(qiáng)度，且適應(yīng)外部所接觸的環(huán)境。因此，內(nèi)、外膠常常不是一種橡膠?；w織物主要用作低壓管，而金屬編織物用于高壓和超高壓管。EPDM已***用于暖氣和通風(fēng)管的內(nèi)外膠層、空調(diào)軟管的外膠層，這是因為該材料具有很好的耐空氣、水、臭氧、陽光老化性和低溫柔軟性。此類零件采用的EPDM，硬度（邵氏A）為70；其拉伸強(qiáng)度應(yīng)在10.5MPa以上；斷裂伸長率一般在300%以上；壓縮殘余變形（100℃，22h）應(yīng)小于40%；其玻璃化轉(zhuǎn)變溫度（TR）比較大為-45℃；耐臭氧老化（50pphm,拉伸20%，72h）應(yīng)無裂紋；IRM902號油試驗（將試樣放于IRM902號油中，100℃，70h）其硬度降低比較大為15，拉伸強(qiáng)度降低比較大為30%，撕裂強(qiáng)度降低比較大為30%，體積改變應(yīng)在80%之內(nèi)；熱老化試驗（125℃，70h），其硬度變化應(yīng)為±5，拉伸強(qiáng)度變化應(yīng)為±15%，伸長率的下降不能超過40%。 </p> <p> 推薦使用牌號：錦湖KEP960N 高度二烯三元乙丙膠錦湖供應(yīng)商第三二烯烴類型的單體是通過乙烯和丙烯的共聚，在聚合物中產(chǎn)生不飽和，以便實現(xiàn)硫化。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="機(jī)械性能優(yōu)異錦湖EPDM,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000897182322001/6370008971823220014206974.JPG"></div><p> EPDM的黏合一： </p> <p> 在橡膠制品生產(chǎn)過程中，黏合是一個很重要的課題。它包括橡膠與橡膠、橡膠與金屬和橡膠與纖維織物等之間黏合。乙丙橡膠由于表面缺乏活性，與其它材料粘合困難，尤其是一些在高溫、高負(fù)荷動態(tài)狀態(tài)下使用的制品如汽車傳動帶、空氣彈簧等用常規(guī)的粘合處理方法如ＲＦＬ和“間甲白”直黏體系等，很難達(dá)到滿意的黏合效果，需用特殊或幾種方法配合使用。 </p> <p> ＥＰＤＭ與纖維織物黏合中，纖維表面處理用ＲＦＬ浸漬液中的膠乳一般使用ＣＳＭ、ＢＲ和ＥＰＤＭ等，這在一般靜態(tài)使用的橡膠制品尚可，但高動態(tài)使用時，其黏合強(qiáng)度顯得不足，解決辦法有：①用特殊膠乳。用高反應(yīng)性的馬來酸酐聚二丁烯膠乳處理，可**提高尼龍、聚酯和芳綸等纖維與ＥＰＤＭ黏合強(qiáng)度。 </p><p> EPDM生膠選擇原則 </p> <p> 良好填充性：高門尼粘度，高乙烯含量 </p> <p> 開煉機(jī)容易包輥不粘輥：分子量分布寬一些，比較好是充油的牌號 </p> <p> 密煉機(jī)混煉性能優(yōu)異：生膠選擇范圍較寬；在填充容量方面：低硬度膠料可以多填充5~10%，高硬度膠料少填充5~10%。 </p> <p> 容易擠出喂料：選擇高乙烯含量 </p> <p> 擠出和壓延速度快：高乙烯含量，分子量分布寬一些 </p> <p> 擠出時口型膨脹低：門尼粘度不宜過高 </p> <p> 抗塌陷性好：高門尼粘度，高乙烯含量 </p> <p> 與金屬、纖維等粘合性好：低乙烯含量，低充油量，中~高ENB含量 </p> <p> 沖模（流動）性好：門尼粘度和ENB含量不宜過高 </p> <p> 與IIR并用：低ENB含量牌號 </p> <p> 與二烯烴類橡膠并用：高ENB含量牌號 </p> <p> 海綿發(fā)泡：高門尼粘度、充油品級、高ENB含量 </p> <p> 低硬度：充油牌號，高門尼粘度，中~高乙烯含量 </p> <p> 高硬度：高乙烯含量，低門尼粘度 </p> <p> **度，高抗撕:高門尼粘度 </p> <p> 低壓縮長久變形:高門尼粘度，中高ENB含量 </p> <p> 低溫性能：低乙烯含量，中等ENB含量 </p> <p> 室溫~高溫：高門尼，高ENB含量 </p> <p> 高回彈性能：低乙烯含量，中~高門尼粘度，中~高ENB含量 </p> <p> 耐熱性：低充油量，低ENB含量 </p> <p> 耐油性：高門尼粘度，高乙烯含量，高ENB含量三元乙丙可以利用有機(jī)過氧化物或者硫來進(jìn)行硫化。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="機(jī)械性能優(yōu)異錦湖EPDM,錦湖" src="http://tyunfile.71360.com/UploadFile/junyi/637206627954843750/3081753.jpg"></div><p> 硫化類型三元乙丙可以利用有機(jī)過氧化物或者硫來進(jìn)行硫化。但是，相比與硫磺硫化，過氧化物交鏈的三元乙丙用于電線電纜工業(yè)時具有更高的溫度抗性，更低的壓縮形變以及改進(jìn)的硫化特性。過氧化物硫化的不好的地方就在于更高的成本。正如前面所提到的，三元乙丙的交鏈速度和硫化時間隨著硫化類型和含量而改變。當(dāng)三元乙丙與丁基，天然橡膠，丁苯橡膠混合時，在選擇合適的三元乙丙產(chǎn)品時，必須要考慮到下列因素：當(dāng)與丁基進(jìn)行混合時，由于丁基具有較低的不飽和度，為適應(yīng)丁基的硫化速度，比較好選擇相對較低含量的DCPD和ENB含量的三元乙丙。當(dāng)與天然橡膠和丁苯橡膠混合時，比較好選擇8%到10%ENB含量的三元乙丙，以滿足其硫化速度。三元乙丙橡膠是由乙烯、丙烯經(jīng)溶液共聚合而成的橡膠，再引入第三單體（ENB）。三元乙丙橡膠基本上是一種飽和的高聚物，耐老化性能非常好、耐天候性好、電絕緣性能優(yōu)良、耐化學(xué)腐蝕性好、沖擊彈性較好。乙丙橡膠的**主要缺點是硫化速度慢；與其它不飽和橡膠并用難，自粘和互粘性都很差，故加工性能不好。為了制備綜合性能更優(yōu)異的橡膠，在技術(shù)上常對乙丙橡膠進(jìn)行極化改性。高度二烯三元乙丙膠錦湖供應(yīng)商</p><p style="text-indent:25px">乙丙橡膠有優(yōu)異的耐水蒸氣性能并優(yōu)于其耐熱性。機(jī)械性能優(yōu)異錦湖EPDM</p><p> EPDM電纜上的應(yīng)用 </p> <p> 電線電纜上主要用于民用和商用建筑的輸入線、建筑用電線、礦用電纜、核電站用電線、風(fēng)能用線、汽車點火線、控制及信號電纜。ＩＥＣ標(biāo)準(zhǔn)規(guī)定，分體空調(diào)機(jī)連接電纜不得再使用塑料絕緣電纜，一方面是為了增加柔軟性，同時耐老化性和安全可靠性。近幾年來，國內(nèi)對橡皮絕緣電線電纜的需求又異乎尋常地多起來，主要是低壓產(chǎn)品，而１ＫＶ以上的橡皮絕緣電纜，除了船用電纜和礦用電纜以外，電力電纜方面則還是極少?，F(xiàn)代國外中高壓橡皮絕緣電纜主要是采用乙丙橡膠絕緣，意大利的乙丙膠絕緣電纜早已做到１５０ｋＶ，１５ｋＶ乙丙膠絕緣電纜已經(jīng)是美國**主流品種。而我國在這個產(chǎn)品上還是相當(dāng)落后，船舶及機(jī)械產(chǎn)品出口量的增加，要求船用電纜及潤滑油等的標(biāo)準(zhǔn)必須與國際接軌而增加了乙丙橡膠用量。機(jī)械性能優(yōu)異錦湖EPDM</p><p style="text-indent:25px">上海君宜化工銷售中心（有限合伙）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)的橡塑行業(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，斗志昂揚的的企業(yè)精神將**上海君宜化工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/2989237.html</p></div></div></div></div></div><div id="j3383sj" class="page-right twoColRt"><div id="bvn3yvp" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ynkmt87" 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" 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