機(jī)械性能優(yōu)異錦湖三元乙丙膠客戶(hù)至上上海君宜化工供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="EPDM在汽車(chē)暖氣、通風(fēng)和空調(diào)管中的應(yīng)用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(shí)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"><meta name="keywords" content="機(jī)械性能優(yōu)異錦湖三元乙丙膠,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 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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(lèi)</a>?機(jī)械性能優(yōu)異錦湖三元乙丙膠客戶(hù)至上上海君宜化工供應(yīng)</p><div id="q3ey5tp" class="leftbox clearfix"><h1>機(jī)械性能優(yōu)異錦湖三元乙丙膠客戶(hù)至上上海君宜化工供應(yīng)</h1><div id="k3e0jqv" class="proBig"><div id="3be3bxl" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000841433872982/6370008414338729827523294.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="jt5r8ie" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000841433872982/6370008414338729827523294.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="w0ym5vd" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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)異錦湖三元乙丙膠,錦湖</p><p><span>***更新：</span>2020-12-13 06:02:23</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="mb0z1wo" 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(xiāo)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(wàn)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="lmj3ihr" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="r63vtnq" class="box"><p><p> EPDM在汽車(chē)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(shí)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?yàn)樵摬牧暇哂泻芎玫哪涂諝狻⑺?、臭氧、?yáng)光老化性和低溫柔軟性。此類(lèi)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(zhǎng)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(wú)裂紋；IRM902號(hào)油試驗(yàn)（將試樣放于IRM902號(hào)油中，機(jī)械性能優(yōu)異錦湖三元乙丙膠，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(yàn)（125℃，70h），其硬度變化應(yīng)為±5，拉伸強(qiáng)度變化應(yīng)為±15%，伸長(zhǎng)率的下降不能超過(guò)40%，機(jī)械性能優(yōu)異錦湖三元乙丙膠。 </p> <p> 推薦使用牌號(hào)：錦湖KEP960N 過(guò)氧化物硫化膠有較好熱穩(wěn)定性和耐壓縮長(zhǎng)久變形性,硫化速度慢，機(jī)械性能優(yōu)異錦湖三元乙丙膠,抗撕裂性能和其他性能均較差,氣味不佳。機(jī)械性能優(yōu)異錦湖三元乙丙膠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="機(jī)械性能優(yōu)異錦湖三元乙丙膠,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000841433872982/6370008414338729827523294.JPG"></div><p style="text-indent:25px">接枝改性是改善乙丙橡膠性能缺點(diǎn)的重要途徑之一，也為制備綜合性能更優(yōu)異的改性乙丙橡膠提供了可能。乙丙橡膠的接枝改性就是通過(guò)在其分子主鏈上接枝含有特征官能團(tuán)的極性支鏈單體，提高聚烯烴基體與其它極性成分界面的結(jié)合力，使其它極性材料得以均勻分散，提高材料的物理性能及產(chǎn)品的性能穩(wěn)定性，從而改善乙丙橡膠的自粘性、互粘性以及相容性。接枝改性乙丙橡膠主要用于改善乙丙橡膠與其它材料的結(jié)合強(qiáng)度、相容性、填料界面的結(jié)合、制品韌性、沖擊強(qiáng)度、低溫脆性及耐熱性等。乙丙橡膠接枝改性技術(shù)主要包括溶液接枝法、熔融接枝法等，近年來(lái)又發(fā)現(xiàn)了電子束輻射接枝和直接溶脹接枝等新的接枝方法，為乙丙橡膠接枝改性提供了更***的技術(shù)可行性。擠出用錦湖EPDMEPDM改性樹(shù)脂，除了EPDM改性PP、PE聚烯烴樹(shù)脂外，環(huán)氧化、馬來(lái)酸酸化的EPDM還可增韌PBT、PA等極性樹(shù)脂。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="機(jī)械性能優(yōu)異錦湖三元乙丙膠,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000895424696489/6370008954246964896724715.JPG"></div><p> 硫化類(lèi)型三元乙丙可以利用有機(jī)過(guò)氧化物或者硫來(lái)進(jìn)行硫化。但是，相比與硫磺硫化，過(guò)氧化物交鏈的三元乙丙用于電線電纜工業(yè)時(shí)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(guò)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(shí)間隨著硫化類(lèi)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(shí)，在選擇合適的三元乙丙產(chǎn)品時(shí)，必須要考慮到下列因素：當(dāng)與丁基進(jìn)行混合時(shí)，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(duì)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(shí)，比較好選擇8%到10%ENB含量的三元乙丙，以滿(mǎn)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(diǎn)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> 2. EPDM在液壓制動(dòng)用軟管和圓密封圈中的應(yīng)用 </p> <p> 利用EPDM耐制動(dòng)液（DOT3、DOT4、DOT5（硅油基））的特性，用于液壓制動(dòng)軟管內(nèi)膠層和制動(dòng)泵中的密封圈的制作。此類(lèi)產(chǎn)品接觸的主要介質(zhì)是制動(dòng)液，使用溫度在-40℃～120℃之間，短期耐熱溫度可達(dá)135℃。此類(lèi)零件采用的EPDM，硬度（邵氏A為80其拉伸強(qiáng)度應(yīng)在10.5MPa以上斷裂伸長(zhǎng)率一般在175%以上；在伸長(zhǎng)率50%下的定伸應(yīng)力為2.5～4MPa；在伸長(zhǎng)率**下的定伸應(yīng)力為8MPa以上；壓縮變形（100℃，22h）應(yīng)小于40%其玻璃化轉(zhuǎn)變溫度（TR）比較大為-50℃；耐臭氧老化（50pphm,拉伸20%，72h）應(yīng)無(wú)裂紋；制動(dòng)液試驗(yàn)（將試樣放于制動(dòng)液中，150℃，70h）其硬度變化應(yīng)為5，拉伸強(qiáng)度變化應(yīng)為±20%，伸長(zhǎng)率變化應(yīng)為-15%～20%，體積改變應(yīng)在±5%；熱化試驗(yàn)（125℃，70h），其硬度變化應(yīng)為±5，拉伸強(qiáng)度變化應(yīng)為±15%，伸長(zhǎng)率的下降不能超過(guò)15%。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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="機(jī)械性能優(yōu)異錦湖三元乙丙膠,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000895777200136/6370008957772001362287998.JPG"></div><p> 8.輪胎用EPDM選擇胎側(cè)：輪胎胎側(cè)是輪胎側(cè)向變形比較大的部位,又與大氣直接接觸,要求膠料的耐屈撓性能、耐臭氧性能和耐天候老化性能良好。在胎側(cè)膠配方中添加少量防護(hù)蠟可對(duì)輪胎胎側(cè)起靜態(tài)防護(hù)作用,但在動(dòng)態(tài)條件下防護(hù)作用**減弱,輪胎在使用一段時(shí)間后胎側(cè)仍會(huì)出現(xiàn)大量龜裂。EPDM具有突出的耐臭氧性能、耐天候性能和耐熱性能，并用少量的EPDM可以***提高胎側(cè)的耐臭氧、耐候性能和耐裂口增長(zhǎng)性能。推薦牌號(hào)：錦湖KEP5560推薦理由：窄分子量分布，超高的ENB含量，硫化速度快，用于輪胎制品時(shí)能夠很好的與NR、SBR等二烯類(lèi)橡膠共混，保證良好的物理性能內(nèi)胎：因具有良好的氣密性能和耐熱性能而在輪胎內(nèi)胎中得到廣泛應(yīng)用"但其加工性能較差存在膠料收縮大&滯后生熱大和加油后易粘輥等問(wèn)題并且老化時(shí)分子鏈傾向于斷裂導(dǎo)致使用后期膠料發(fā)粘嚴(yán)重時(shí)造成內(nèi)外胎粘在一起。第三二烯烴類(lèi)型的單體是通過(guò)乙烯和丙烯的共聚，在聚合物中產(chǎn)生不飽和，以便實(shí)現(xiàn)硫化。過(guò)氧硫化錦湖EPDM</p><p style="text-indent:25px">在汽車(chē)產(chǎn)業(yè)中EPDM市場(chǎng)也受到了新興經(jīng)濟(jì)體生活標(biāo)準(zhǔn)提高的推動(dòng)。機(jī)械性能優(yōu)異錦湖三元乙丙膠</p><p> EPDM的黏合二： </p> <p> ＨＡＬＬＳＴＡＲ公司開(kāi)發(fā)的環(huán)保型黏合劑促進(jìn)劑ＨａＪｌｂｏｎｄＲＸ能夠***增強(qiáng)ＥＰＤＭ與聚酯線的粘合強(qiáng)度。另外添加高３０－４０份白炭黑、使用低門(mén)尼粘度ＥＰＤＭ或者降低ＥＰＤＭ配方中促進(jìn)劑用量也可提高粘合性 </p> <p> ＥＰＤＭ與金屬黏合一般采用采膠粘劑法，直接粘接法中二丙烯酸鋅（ZDMＡ）***。研究結(jié)果表明，采用采用ＳＡＲＴＯＭＥＲ的Ｓａｒｅｔ６３３體系膠粘劑用于ＥＰＤＭ與金屬的粘接，并采用過(guò)氧化物硫化體系，粘接強(qiáng)度明顯提高，粘接的破壞形式是ＥＰＤＭ硫化膠的內(nèi)聚破壞?；钚灾鷦┑奶砑?，不僅提高了硫化膠的強(qiáng)度，而且還提高了與金屬的粘接強(qiáng)度。加入２份的Ｓａｒｅｔ６３３與鋼黏合，剪切黏合強(qiáng)度從未加的０.５５ＭＰａ提高到３．４４ＭＰａ，加入２０份可提高到ｌ１ＭＰａ。機(jī)械性能優(yōu)異錦湖三元乙丙膠</p><p style="text-indent:25px">上海君宜化工銷(xiāo)售中心（有限合伙）致力于橡塑，是一家貿(mào)易型公司。上海君宜化工致力于為客戶(hù)提供良好的化工原料及產(chǎn)品，橡膠，炭黑，色母粒，彈性體，一切以用戶(hù)需求為中心，深受廣大客戶(hù)的歡迎。公司秉持誠(chéng)信為本的經(jīng)營(yíng)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(diǎn)，發(fā)揮人才優(yōu)勢(shì)，打造橡塑良好品牌。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶(hù)成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2384103.html</p></div></div></div></div></div><div id="twsor3j" class="page-right twoColRt"><div id="sd0ncum" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="0kn3xt5" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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