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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="zd77od3" 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>錦湖減震用三元乙丙膠,錦湖</p><p><span>***更新：</span>2021-01-13 10:04:19</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="jn77zok" 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(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="nhebnpw" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="pyqn84o" class="box"><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(shí)復(fù)合而成，內(nèi)含獨(dú)特的金屬夾具和舌形扣，堅(jiān)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(dòng)機(jī) </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(cāng)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(dòng)機(jī)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(shí)膠（單一硬度為密實(shí)膠，不同硬度則為復(fù)合膠料）；海綿膠與密實(shí)膠雙復(fù)合；海綿膠，錦湖減震用三元乙丙膠，錦湖減震用三元乙丙膠，錦湖減震用三元乙丙膠、密實(shí)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> 三元乙丙是乙烯、丙烯和非共軛二烯烴的三元共聚物。錦湖減震用三元乙丙膠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖減震用三元乙丙膠,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000843571893150/6370008435718931506814606.JPG"></div><p> EPDM生產(chǎn)工藝 </p> <p> 現(xiàn)階段在EPDM橡膠的生產(chǎn)中常用的制作工藝主要有三種，分別為：懸浮聚合法、溶液聚合法及氣相聚合法。 </p> <p> 1.懸浮聚合法 </p> <p> 除了上期提到的乙烯、丙烯，該方法使用的第三單體還有乙叉變冰片烯以及雙環(huán)戊二烯，催化劑以AClt2Cl、乙酰**釩的應(yīng)用較多，活化劑常選用二路丙二酸二乙酯。該方法有點(diǎn)在于在制作工藝中并未使用到溶劑，由于聚合物濃度較高，所以聚合效率和生產(chǎn)效率都**提高，同時(shí)由于省略的溶劑循環(huán)和回收環(huán)節(jié)，所以節(jié)約了能耗和設(shè)備投資；產(chǎn)品的分子量分布***；生產(chǎn)成本遠(yuǎn)低于溶液。不足之處是，若想從聚合物中脫離掉殘留的催化劑難度較大。 </p> <p> 2.溶液聚合法 </p> <p> 該制作工藝屬于相反應(yīng)，整個(gè)工藝過(guò)程主要包括：原料配制、聚合、溶劑、單體回收和包裝等。目前來(lái)說(shuō)溶液聚合法是比較成熟的一種工藝，也是生產(chǎn)制作三元乙丙橡膠的主要方法。操作簡(jiǎn)單、產(chǎn)品質(zhì)量均勻、灰分含量不多；不足的是聚合反應(yīng)的發(fā)生有溶劑的參與，所以傳質(zhì)傳熱效果較差，**降低了聚合效率。另外，因?yàn)樾枰獙?duì)溶劑和單體進(jìn)行回收操作，生產(chǎn)工序增加，設(shè)備投資也相應(yīng)加大。 </p> <p> <br /> 錦湖三元乙丙膠 KEP-2371用過(guò)氧化物交聯(lián)的三元乙丙橡膠可在更苛刻的條件下使用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖減震用三元乙丙膠,錦湖" src="http://tyunfile.71360.com/UploadFile/junyi/637206627954843750/3081753.jpg"></div><p style="text-indent:25px">用氫化丁苯橡膠、羧化氫化丁苯橡膠、氫化丁腈橡膠、羧化氫化丁腈橡膠或氯磺化聚乙烯等膠乳中的一種與馬來(lái)化液體聚丁二烯樹(shù)脂的半酯水溶液組成的混合物直接處理予活化的聚酯纖維，可達(dá)到滿意的粘合效果。②在ＲＦＬ處理后的基礎(chǔ)上再涂一層黏合劑或膠漿。用鹵化橡膠作為膠漿涂敷ＲＦＬ處理過(guò)線繩，可進(jìn)一步提高黏合性能。用功能化的低分子聚乙烯如氧化聚乙烯與ＬＥＰＤＭ并用組合物，可作為織物和線繩涂膠用粘合膠；③在配方中直接加入特殊的黏合劑促進(jìn)劑。用液體馬來(lái)酸酐聚二丁烯膠加入ＥＰＤＭ膠料中可大幅度提高ＥＰＤＭ與纖維黏合性。</p><p> EPDM的動(dòng)態(tài)疲勞性能 </p> <p> 乙丙橡膠為非結(jié)晶橡膠，其抗疲勞性能尤其是抗龜裂增長(zhǎng)不是很好，與ＳＢＲ相當(dāng)。特別是過(guò)氧化物硫化的ＥＰＤＭ硫化膠，其抗疲勞性能更差。一般認(rèn)為初始龜裂與橡膠的缺點(diǎn)有關(guān)，而龜裂增長(zhǎng)與橡膠的拉伸強(qiáng)度和抗撕裂強(qiáng)度有關(guān)，因此提高硫化膠的均一性和強(qiáng)度均有助于抗疲勞性能的提高。丙烯酸金屬鹽尤其是二甲基丙烯酸鋅（ＺＤＭＡ）是ＥＰＤＭ較為理想增強(qiáng)材料ＺＤMA補(bǔ)強(qiáng)ＥＰＤＭ是先將微米級(jí)別的ＺＤＭＡ混入橡膠基體中，然后在過(guò)氧化物的作用下，ＺＤＭＡ從微米顆粒上脫落下來(lái)溶入橡膠基體中，再發(fā)生原位聚合形成聚丙烯酸金屬鹽納米粒子，從而對(duì)橡膠產(chǎn)生***增強(qiáng)。該復(fù)合材料通過(guò)過(guò)氧化物引發(fā)交聯(lián)后，能產(chǎn)生鍵能較高的Ｃ-Ｏ-Ｚｎ２＋-Ｏ-Ｃ（２９３ｋＪ／ｍ０１）離子鍵，強(qiáng)度高，撕裂強(qiáng)度好。離子鍵在動(dòng)態(tài)疲勞下，有自動(dòng)“愈合”功能，因此抗疲勞性能非常優(yōu)異。實(shí)驗(yàn)表明，用ＤＭＡ牢ｂ強(qiáng)的過(guò)氧化物交聯(lián)的ＥＰＤＭ硫化膠，其ＤｅＭａｔｔｉａ屈撓疲勞壽命是未力ＮＺＤＭＡ數(shù)十倍，比硫黃硫化的ＥＰＤＭ增加近一倍洲。 EPDM/PP共混型熱塑性彈性體(TPE）就是極具發(fā)展?jié)摿Φ男虏牧稀?/p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖減震用三元乙丙膠,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000839302751774/6370008393027517745965311.JPG"></div><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%。三元乙丙橡膠塑煉效果差，缺乏粘著性，不易“吃”炭黑，不宜包輥。錦湖三元乙丙膠 KEP-2371</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。錦湖減震用三元乙丙膠</p><p> 8.EPDM防水卷材三元乙丙橡膠(EPDM)卷材是目前世界公認(rèn)的性能比較好異的防水材料，近年來(lái),橡膠防水卷材在我國(guó)迅速發(fā)展,已成為一種多品種、多規(guī)格、多檔次及多功能的橡膠制品,防水卷材的應(yīng)用領(lǐng)域很廣，如平屋面和低坡度住宅建筑的屋面工程和地下工程，住宅小區(qū)的停車場(chǎng)的頂板，層間和地下，公用設(shè)施以及游泳池等工程的防水，明挖法地鐵隧道工程中地下結(jié)構(gòu)的主體結(jié)構(gòu)全外包防水和頂板防水，車問(wèn)及出入口通道，蓋挖法施工的車站頂板防水等。防水卷材作為防水層材料的優(yōu)點(diǎn)和工程應(yīng)用的優(yōu)勢(shì)是無(wú)可爭(zhēng)辯的。三元乙丙橡膠防水材料分子的耐用年限據(jù)測(cè)算可達(dá)５４年。三元乙丙橡膠防水卷材彈性好、拉伸性能優(yōu)異、抵抗應(yīng)力變形和基層開(kāi)裂的能力強(qiáng)，具有高斷裂強(qiáng)度、撕裂強(qiáng)度和抗刺穿強(qiáng)度；通過(guò)熱焊接能形成強(qiáng)于卷材的接縫；具有高的反射率；卷材不含氯。錦湖減震用三元乙丙膠</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(shí)力背景、信譽(yù)可靠、勵(lì)精圖治、展望未來(lái)、有夢(mèng)想有目標(biāo)，有組織有體系的公司，堅(jiān)持于帶領(lǐng)員工在未來(lái)的道路上大放光明，攜手共畫(huà)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(chéng)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(lái)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(jī)，一直以來(lái)，公司貫徹執(zhí)行科學(xué)管理、創(chuàng)新發(fā)展、誠(chéng)實(shí)守信的方針，員工精誠(chéng)努力，協(xié)同奮取，以品質(zhì)、服務(wù)來(lái)贏得市場(chǎng)，我們一直在路上！</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/2829605.html</p></div></div></div></div></div><div id="yxzwtk8" class="page-right twoColRt"><div id="3ahelne" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="2subdkm" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" 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