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href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a 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>?錦湖KUMHO KEP-960N 服務(wù)為先上海君宜化工供應(yīng)</p><div id="zl7kp3y" class="leftbox clearfix"><h1>錦湖KUMHO KEP-960N 服務(wù)為先上海君宜化工供應(yīng)</h1><div id="hbqhjl2" class="proBig"><div id="tspcu8s" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000841714986333/6370008417149863335129123.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="qu3g2pp" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000841714986333/6370008417149863335129123.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ox7dxz7" 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KUMHO KEP-960N,錦湖</p><p><span>***更新：</span>2021-01-26 10:02:52</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="daov8eq" 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(huà): </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(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="qkhz3m8" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="v8fx8fp" class="box"><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(chē)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(chē)問(wèn)及出入口通道，蓋挖法施工的車(chē)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，錦湖KUMHO KEP-960N。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。改性乙丙橡膠主要是將乙丙橡膠進(jìn)行溴化，錦湖KUMHO KEP-960N、氯化、磺化，錦湖KUMHO KEP-960N、順酐化、馬來(lái)酸酐化等。錦湖KUMHO KEP-960N</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖KUMHO KEP-960N,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000841714986333/6370008417149863335129123.JPG"></div><p> EPDM配方設(shè)計(jì)的方法 </p> <p> a.關(guān)于村科的種類(lèi) </p> <p> 此概念的基礎(chǔ)上采取添加所需材料的方法。追求“簡(jiǎn)單的就是比較好的"這排除計(jì)量失誤發(fā)生的可能性，材料的種類(lèi)是越少越好。為便于在場(chǎng)進(jìn)行原材料管理，以由于近來(lái)各材料生產(chǎn)商都在不斷地開(kāi)發(fā)新材料，村料也就在所難免。因此使用橡膠產(chǎn)品要求性能上年然而，在不能準(zhǔn)確把任何時(shí)候添加材料，都可能成為泄漏、起霜等負(fù)面因素。把握村料效果的情況下，比較好不要盲目地河地添加材料。 </p> <p> 漫合設(shè)計(jì)時(shí)適宜的材料種類(lèi) </p> <p> 聚合體3種以下 </p> <p> 碳/黑 2種以下 </p> <p> 填充物 2種以下 </p> <p> 軟化劑可塑劑 2種以下 </p> <p> 加工助劑 2種以下 </p> <p> 抗老化劑 2種以下 </p> <p> 促進(jìn)劑(丁晴橡膠混合) 3種以下 </p> <p> 促進(jìn)劑(三元乙丙橡膠般混合) 4種以下 </p> <p> b.關(guān)于材料的添加量 </p> <p> “比較低添加量比較好為0.2phr以上”其理由在于，在現(xiàn)場(chǎng)使用大型機(jī)械進(jìn)行混煉操作時(shí)，經(jīng)常發(fā)生分散不充分的情況并且如添加量少，將會(huì)發(fā)生分散不均勻的現(xiàn)象。 </p> <p> 如果不得已要添加0.1phr以下的量時(shí)，需要事先完全與材料混合，使?jié)舛冉档停送?，氧化鋅的比重為5.6左右時(shí)，雖然重量份數(shù)為5Phr.但容量份數(shù)為0.891通常添加量不需要5Phr,比較好是添加3Phr以上，在進(jìn)行硫化過(guò)程中，當(dāng)內(nèi)模被行財(cái)，可以考慮混合少量的氧化鋅，但這時(shí)比較好添加活性氧化鋅活性氧化鋅)。錦湖KUMHO膠帶用EPDM三元乙丙橡膠的門(mén)尼粘度可以反映其分子量的大小，三元乙丙橡膠的門(mén)尼粘度范圍通常在20到100之間。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖KUMHO KEP-960N,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000840661965339/6370008406619653396487953.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(lái)較大的困難。一般可以采?。?）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(lái)提高粘合力。其中比較簡(jiǎn)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(shù)脂增粘效果較好，但同時(shí)也使硫化膠物理機(jī)械性能下降，如彈性下降，長(zhǎng)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(jià)格較高。 </p><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(mǎn)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(xiàn)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(xiàn)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。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)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖KUMHO KEP-960N,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/8/637025952626016648/6370259526260166489420208.JPG"></div><p> 2. EPDM分子結(jié)構(gòu)和特性; </p> <p> 三元乙丙是乙烯、丙烯和非共軛二烯烴的三元共聚物。二烯烴具有特殊的結(jié)構(gòu)，只有兩鍵之一的才能共聚，不飽和的雙鍵主要是作為交鏈處。另一個(gè)不飽和的不會(huì)成為聚合物主鏈，只會(huì)成為邊側(cè)鏈。三元乙丙的主要聚合物鏈?zhǔn)峭耆柡偷?。這個(gè)特性使得三元乙丙可以抵抗熱，光，氧氣，尤其是臭氧。三元乙丙本質(zhì)上是無(wú)極性的，對(duì)極性溶液和化學(xué)物具有抗性，吸水率低，具有良好的絕緣特性。 </p> <p> 主鏈上沒(méi)有雙鍵—耐臭氧耐候性(光，紫外線(xiàn))，優(yōu)異的耐熱氧老化性(可達(dá) 160℃) </p> <p> 天然碳?xì)錁?shù)脂—低溫柔韌性好，優(yōu)異的電性能和耐化學(xué)性能 </p> <p> 低密度高填充—降低膠料成本 </p> <p> 組分范圍寬泛—乙烯含量從低到高，ENB 從 0 到高，分子量范圍寬泛 </p> <p> 在三元乙丙生產(chǎn)過(guò)程中，通過(guò)改變?nèi)龁误w的數(shù)量，乙烯丙烯比，分子量及其分布以及硫化的方法可以調(diào)整其特性。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。天然膠共混錦湖三元乙丙膠</p><p style="text-indent:25px">乙丙橡膠缺點(diǎn)是在室溫下粘度不好，給加工制造帶來(lái)困難。錦湖KUMHO KEP-960N</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。錦湖KUMHO KEP-960N</p><p 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