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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>錦湖 KEP-4640E,錦湖</p><p><span>***更新：</span>2021-01-23 03:02:42</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="dj77b97" 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: </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="7xvlzf9" class="page-proshow02"><p class="title">詳細說明</p><div id="bvd7bxt" class="box"><p><p> 乙丙膠與高不飽和膠種并用一： </p> <p> 在兩種橡膠并用時影響共硫化的因素有橡膠相的混合性，兩種橡膠的硫化特性及配合劑的分散性，據(jù)知，三元乙丙膠與丁苯膠、天然橡膠或聚丁二烯膠等并用時，分散狀態(tài)為微觀不均勻分散，與硫化體系無關(guān)。但ＮＲ／ＳＢＲ、ＮＲ／聚丁二烯并用體系同ＥＰＤＭ并用體系的摻和狀態(tài)基本上都是相同的。因而分散狀態(tài)并不是一個太大的問題，問題在于硫化特性方面，決定因素為橡膠的硫化速度和硫化程度，當(dāng)采用硫化體系時還決定于雙鍵的數(shù)量、位置和分布，此外，還決定于ＥＰＤＭ第三單體的種類。 </p> <p> 當(dāng)三元乙丙膠并用少量不飽和橡膠時強度比較低，其原因在于兩種橡膠的硫化速度不同，二烯類橡膠先行硫化，而ＥＰＤＭ卻還停留在未硫化狀態(tài)，因此，為要提高共硫化性，研究一下如何提高ＥＰＤＭ含量大的膠料的強度是有意義的。三元制乙丙橡膠不但具有優(yōu)異的電絕緣性能，錦湖 KEP-4640E，錦湖 KEP-4640E，而且耐臭氧、耐火，錦湖 KEP-4640E、耐候、防老化。錦湖 KEP-4640E</p> <span style="display:none;"></span><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖 KEP-4640E,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000841360025413/6370008413600254138208060.JPG"></div><p> 錦湖Polychem是由韓國合成橡膠工業(yè)（株）[現(xiàn)錦湖石油化學(xué)（株）]與日本合成橡膠（株）[現(xiàn)JSR（株）]的合作而成立。于1988年成功引進美國?？松ぃ‥xxonChemical）的先進技術(shù)生產(chǎn)，2015年第四條生產(chǎn)線建成后，產(chǎn)量達22萬噸每年，已成為亞洲***位，世界第三位EPDM制造商。錦湖POLYCHEM位于麗水石油化學(xué)國家產(chǎn)業(yè)區(qū)，是韓國首批EPDMMaker，錦湖乙丙膠的生產(chǎn)技術(shù)采用的是傳統(tǒng)的齊格勒-納塔（Z-N）催化體系，具有牌號完善，選擇性強，性價比高產(chǎn)品質(zhì)量穩(wěn)定，產(chǎn)能高等優(yōu)勢。錦湖POLYCHEM生產(chǎn)的EP(D)M是主要用于汽車配件領(lǐng)域的高性能特殊合成橡膠，耐熱性、耐臭氧性、耐化學(xué)性均很***。既比其他橡膠重量輕，又可以實現(xiàn)高度填充，經(jīng)濟性好，不僅可用于車身密封輪胎和密封管以及軟管，還可用于電線和建筑輔材等。 KEP-2320錦湖歡迎來電普通牌號的乙丙橡膠即使不加入耐熱型防老劑，也具有良好的耐高溫性能。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖 KEP-4640E,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000895777200136/6370008957772001362287998.JPG"></div><p> 硫化類型三元乙丙可以利用有機過氧化物或者硫來進行硫化。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。 </p><p> <p> 8. EPDM汽車密封條 </p> <p> 汽車用密封條主要是由具有良好彈性和抗壓縮變形、耐老化、臭氧、化學(xué) </p> <p> 作用、較寬的使用溫度范圍（ -40℃ ~1 20℃）的三元乙丙橡膠 (EPDM) 橡膠發(fā)泡與密實復(fù)合而成，內(nèi)含獨特的金屬夾具和舌形扣，堅固耐用，利于安裝。 </p> <p> 汽車用密封條主要應(yīng)用在車門門扇門框、側(cè)面車窗、前后檔風(fēng)玻璃、發(fā)動機 </p> <p> 蓋和行李箱蓋上，起到防水、防塵、隔音、隔溫減震、裝飾的作用。還可以生產(chǎn)用于安裝客車行李倉門的橡膠鉸鏈。 </p> <p> 其分類可為以下兩種： </p> <p> 1 ）按所裝配部位分類：門框條；行李箱條；發(fā)動機蓋條；導(dǎo)槽；內(nèi)外側(cè)條（內(nèi)外切水）；頭道風(fēng)窗和其他。 </p> <p> 2）復(fù)合組分分類：密實膠（單一硬度為密實膠，不同硬度則為復(fù)合膠料）；海綿膠與密實膠雙復(fù)合；海綿膠、密實膠與骨架三復(fù)合；四復(fù)合、多復(fù)合等。 </p> <p> <br /> </p> </p> <p> <br /> </p> <p> <span style="display:none;"></span> EPDM與NBR分子極性差別很大，相容性很差，共混時需要添加相容劑提高二者的相容性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖 KEP-4640E,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000895424696489/6370008954246964896724715.JPG"></div><p> EPDM耐熱性一： </p> <p> 乙丙橡膠的耐熱及耐熱氧老化性能優(yōu)于其他通用橡膠，只要配合適當(dāng)，乙丙橡膠的長期工作溫度可達１２０℃，比較高連續(xù)工作溫度為１５０℃，短時間甚至可耐２３０～２６０℃高溫。這種良好的耐熱老化性能使其成為制造耐熱輸送帶、耐熱膠管等耐熱制品較為理想的彈性體材料。不過，當(dāng)使用溫度高于１５０℃時，乙丙橡膠便開始緩饅分解。普通牌號的乙丙橡膠即使不加入耐熱型防老劑，也具有良好的耐高溫性能。加入適當(dāng)防老劑，會進一步改善乙丙橡膠的耐高溫性能。為了獲得硫黃硫化時比較好的耐熱性能，另外加入一些***防老劑可進一步改善膠料的耐熱性能。硫黃硫化ＥＰＤＭ膠料中使用***自由基捕捉型防老劑如防老劑ＡＭ和其與防老劑增效劑如防老劑ＭＢ搭配使用時，兩種添加防護體系膠料的耐熱性能均比不加防老劑的時好。而且兩種防老劑搭配使用比單用自由基捕捉型防老劑好。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。錦湖中乙烯三元乙丙膠</p><p style="text-indent:25px">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-4640E</p><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)具有機械強度，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。化纖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，拉伸強度降低比較大為30%，撕裂強度降低比較大為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 錦湖 KEP-4640E</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，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/2967237.html</p></div></div></div></div></div><div id="zdrz7jp" class="page-right twoColRt"><div id="fdljrx9" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bpntzfb" 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(yīng)" class="vcenter" 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