錦湖KUMHO低門尼三元乙丙膠歡迎來電上海君宜化工供應(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="8.密封條用EPDM選擇錦湖EPDM在密封條配方中應(yīng)用推薦：汽車密封條一般有以下幾種結(jié)構(gòu)：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。密實膠配合要點(diǎn):生膠要求:高門尼"><meta name="keywords" content="錦湖KUMHO低門尼三元乙丙膠,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" 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class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000842428031661/6370008424280316619947092.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="atuqr38" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000842428031661/6370008424280316619947092.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="bofb3qe" 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KUMHO低門尼三元乙丙膠,錦湖</p><p><span>***更新：</span>2021-02-06 08:02:31</p><p><span id="click" >瀏覽次數(shù)：8次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="d34msyu" 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="um2lmdj" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="mzk2cqb" class="box"><p><p> 8. 密封條用EPDM選擇 </p> <p> 錦湖EPDM在密封條配方中應(yīng)用推薦： </p> <p> 汽車密封條一般有以下幾種結(jié)構(gòu)：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> 密實膠配合要點(diǎn): </p> <p> 生膠要求:高門尼，中高乙烯，中等ENB </p> <p> 配方總份數(shù): 350phr-500phrr </p> <p> 關(guān)鍵性能: </p> <p> 混煉分散性 </p> <p> 擠出性能硬度 </p> <p> 拉伸、壓變等。 </p> <p> <br /> </p> <p> 配方設(shè)計: </p> <p> 高填充牌號: KEP570F、KEP5770、KEP281F、KEP282F、 </p> <p> **牌號:KEP2380 </p> <p> 接角牌號:KEP980N, KEP4640E, KEP2320, KEP330 </p> <p> <br /> </p> <p> 發(fā)泡膠配合要點(diǎn)： </p> <p> 生膠要求: </p> <p> 高門尼，中低等乙烯含量，錦湖KUMHO低門尼三元乙丙膠，高第三單體含量 </p> <p> <br /> </p> <p> 總份數(shù): 280-350份 </p> <p> 含膠率: 27%-32% </p> <p> 關(guān)鍵性能:擠出挺性好、外觀光滑優(yōu)良，發(fā)泡均勻 </p> <p> 關(guān)鍵性能:壓縮荷重、壓變、密度 </p> <p> 配方設(shè)計: KEP2480，錦湖KUMHO低門尼三元乙丙膠、KEP9590 (高壓變，錦湖KUMHO低門尼三元乙丙膠，回彈) 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。錦湖KUMHO低門尼三元乙丙膠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖KUMHO低門尼三元乙丙膠,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000842428031661/6370008424280316619947092.JPG"></div><p> 增強(qiáng)改性一： </p> <p> 納米材料增強(qiáng)：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。通過填充納米填料制備橡膠納米復(fù)合材料（分散相至少有一維的尺寸介于１~１００nｍ）已成為目前研究的新熱點(diǎn)。由于納米粒子具有的小尺寸效應(yīng)、量子效應(yīng)、不飽和價效應(yīng)和電子隧道效應(yīng)等表面效應(yīng)，因此引入納米填料將使橡膠的性質(zhì)發(fā)生很大改變，并有可能獲得一些新的性能。 </p> <p> 納米材料增強(qiáng)ＥＰＤＭ研究近年十分活躍，主要有納米粘土（層狀硅酸鹽）、納米二氧化硅、納米碳酸鈣、炭黑一白炭黑雙相納米填料、納米氧化鋅、納米氫氧化鎂、納米石墨、納米氧化鋁、納米氮化硅、納米丙烯酸金屬鹽、納米ＰＴＥＥ、碳納米管和納米級纖維等，使ＥＰＤＭ獲得更優(yōu)異、更***的性能，進(jìn)一步拓寬ＥＰＤＭ使用范圍。 KEP-110錦湖歡迎來電在汽車產(chǎn)業(yè)中EPDM市場也受到了新興經(jīng)濟(jì)體生活標(biāo)準(zhǔn)提高的推動。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖KUMHO低門尼三元乙丙膠,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000897774080935/6370008977740809353806419.JPG"></div><p> 8.EPDM粘貼成型EPDM缺少活性基團(tuán)，內(nèi)聚能低，分子鏈段擴(kuò)散性極小，加上膠料容易噴霜，給粘貼成型工藝，尤其是制造多層結(jié)構(gòu)的制品如輪胎胎側(cè)、輸送帶、屋頂材料、膠輥、襯里等帶來較大的困難。一般可以采取：1）保持需粘合表面新鮮不被污染或用化學(xué)溶液或溶劑處理需粘合的表面；2）在需粘合的表面涂膠粘劑；3）提高粘合部位的溫度、壓力和平整度；4）與其它含活性基團(tuán)的高聚物并用；5）在膠料中加5~10份增粘劑；6）適當(dāng)提高增塑劑的用量；7）采用中間層膠或涂膠液等辦法來提高粘合力。其中比較簡單有效地提高粘合力的辦法是提高溫度和壓力。非反應(yīng)性烷基酚醛樹脂增粘效果較好，但同時也使硫化膠物理機(jī)械性能下降，如彈性下降，長久變形增大，硫化速度減慢。提高三元乙丙橡膠的粘合力除加增粘劑外，還可在膠料中加由膠粘劑RE、膠黏劑A和白炭黑或膠黏劑RH、膠黏劑A和白炭黑組成的粘合體系，其中白炭黑要選用沉淀法活性白炭黑。此法的缺點(diǎn)是價格較高。 </p><p style="text-indent:25px">氫化丁腈橡膠(HNBR)是一種綜合性能極好、極具發(fā)展?jié)摿Φ奶胤N橡膠。氫化丁腈橡膠（HNBR）與腈橡膠（NBR）相比，其分子主鏈上的碳-碳雙鍵（C=C）少，化學(xué)結(jié)構(gòu)穩(wěn)定，具有優(yōu)異的耐油、耐腐蝕，耐低溫、耐高溫、耐熱氧老化、耐動態(tài)疲勞和耐臭氧性能，可耐150～170℃高溫，其耐寒性能優(yōu)于氟橡膠，耐酸性汽油是普通丁腈橡膠(NBR)的5倍多，耐磨性比普通NBR提高50%以上，熱降解溫度隨著氫化度的提高而提高，比NBR高30～40℃，其優(yōu)異的耐新型制冷劑、耐硫化氫性能更是無以倫比。因而，它作為高性能膠管、膠帶、密封和減震零部件、膠輥、特殊電線電纜等制品的材料，在高鐵、航空、新能源、汽車、石油等重大工業(yè)領(lǐng)域，具有其他材料無法替代的作用。乙丙橡膠有優(yōu)異的耐水蒸氣性能并優(yōu)于其耐熱性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖KUMHO低門尼三元乙丙膠,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000897306890087/6370008973068900877713965.JPG"></div><p> 8.PDM的成型方式壓出膠料壓出性能往往是以膠料容易輸送、壓出速度快、壓出物表面光滑以及形狀、尺寸保持性好為標(biāo)志。三元乙丙橡膠比一般橡膠容易壓出，壓出速度較快，壓出物收縮小，但要控制好膠料的門尼粘度和壓出溫度。乙丙橡膠膠料門尼粘度以40~60為佳。乙烯含量高及分子量分布窄的三元乙丙橡膠壓出工藝性能好。高填充配合的膠料亦有良好的壓出性能，特別是填充高結(jié)構(gòu)爐黑、快壓出爐黑、通用爐黑、半補(bǔ)強(qiáng)爐黑、中粒子熱裂法炭黑和細(xì)粒子熱裂法炭黑等炭黑的膠料壓出表面光滑。白色填料以鈦白、滑石粉、碳酸鈣為比較好，壓出速度超過炭黑膠料。壓延EPDM膠料需要通過壓延制備各種規(guī)格膠片以及在織物上擦膠或貼膠。膠料門尼粘度、壓延速度和溫度均會影響壓延物質(zhì)量。壓延溫度過低容易產(chǎn)生氣泡，壓延物不平整，收縮大。一般壓延溫度應(yīng)控制如下：上輥90~100℃，中輥90℃左右，下輥90~120℃。模壓三元乙丙橡膠高溫流動性較好，故制造模壓制品時沒有什么困難。但制造結(jié)構(gòu)復(fù)雜的模制品時，要在模型關(guān)鍵部位鉆些氣眼以排出窩藏的氣體，避免制品產(chǎn)生氣孔缺點(diǎn)或表面發(fā)粘等。用過氧化物硫化的膠料熱撕裂性能差，配方中應(yīng)采用少量硫磺作共交聯(lián)劑以改善其熱撕裂性能。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。錦湖KUMHO低門尼三元乙丙膠</p><p style="text-indent:25px">乙丙橡膠有優(yōu)異的耐天候、耐臭氧、耐熱、耐酸堿、耐水蒸汽、顏色穩(wěn)定性、電性能、充油性及常溫流動性。錦湖KUMHO低門尼三元乙丙膠</p><p> EPDM汽車傳動帶中的應(yīng)用 </p> <p> 近年來，多楔帶在汽車得到普遍應(yīng)用，而發(fā)動機(jī)室的溫度越來越高，有的要求橡膠件能耐１５０℃，瞬間能耐１７０℃．，傳統(tǒng)氯丁橡膠（ＣＲ）顯然達(dá)不到要求。由于ＨＮＢＲ過于昂貴，人們在研究發(fā)現(xiàn)小量的油污并不對發(fā)動機(jī)前端的皮帶造成損害，可使用較廉價耐熱性好多的三元乙丙橡膠（ＥＰＤＭ）作為多楔帶主體橡膠材料。但ＥＰＤＭ耐磨性、高溫抗撕裂和動態(tài)性能不理想，與其它材料粘合差，這些都需要通過改性如添加ＺＤＡ或ＺＤＭＡ和與其它材料并用加以解決。 </p> <p> 汽車Ｖ帶一般用綜合性能優(yōu)異的ＣＲ制造，近年來與上述ＥＰＤＭ多楔帶同樣的原因，開始用ＥＰＤＭ生產(chǎn)。但汽車Ｖ帶傳動受力機(jī)理與多楔帶有很大不同，對壓縮膠的耐曲撓、耐磨性，抗拉體線繩、織物的黏合性以及帶的橫向剛性比多楔帶有更高的要求。ＧＡＴＥＳ公司推出的ＦｌｅｅｔＲｕｎｎｅｒ汽車Ｖ帶（在中國稱為ＥＸＰｏｗｅｒ），據(jù)報道實際使用壽命能達(dá)到４０００００km以上其它性能也優(yōu)于ＣＲ汽車Ｖ帶，尤其是耐高低溫性能，可在-５５~１２０℃正常使用，做到全天候使用。錦湖KUMHO低門尼三元乙丙膠</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(yù)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(yáng)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/3190725.html</p></div></div></div></div></div><div id="ylcy4hi" class="page-right twoColRt"><div id="u3zk4zq" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ors3rio" 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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