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class="searchLt"><div id="8p9rjtn" class="tabs"><a href="JavaScript:;" data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會</a></div><div id="8v4o8zf" class="clearfix searchWrap"><div id="l92bv7l" class="searchInput"><input type="text" name="keywords" placeholder="請輸入搜索關(guān)鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="73stvfr" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a href="http://www.cdcfah.com/cp/"><span>產(chǎn)品供應(yīng)</span></a></li><li id = "index_news"><a href="http://www.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = "index_article"><a href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="vryg32g" class="twoCol"><div id="nmtg5kw" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a 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</a>?錦湖 KEP-330 歡迎咨詢上海君宜化工供應(yīng)</p><div id="nxpwq3q" class="leftbox clearfix"><h1>錦湖 KEP-330 歡迎咨詢上海君宜化工供應(yīng)</h1><div id="3qzqaeq" class="proBig"><div id="f2przqx" class="bigimg"><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 id="eg3g87n" 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="gvuwn78" 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 KEP-330,錦湖</p><p><span>***更新：</span>2021-01-24 01:04:26</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="bvh2rya" 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="rgtphyk" class="page-proshow02"><p class="title">詳細說明</p><div id="h82fu84" class="box"><p><p> 乙丙膠的發(fā)展 </p> <p> 乙丙橡膠是齊格勒——納塔立體有規(guī)催化體系開發(fā)后發(fā)展起來的一種介于通用橡膠和特種橡膠之間的合成橡膠。１９５０年后納塔（Ｎａｔｔａ）等發(fā)現(xiàn)了新型聚合催化劑，于是采用立體有規(guī)性催化劑進行烯烴聚合的研究逐漸開展起來，特別是將石油所大量產(chǎn)生的乙烯，錦湖 KEP-330、丙烯等烯烴試行聚合，乙烯和丙烯的共聚物特別表現(xiàn)出橡膠彈性。這種聚合物的特點是：在分子排列上很象天然橡膠，但物理性能優(yōu)異，基本原料價廉。它作為合成橡膠于１９５９年首先由意大利蒙特卡蒂尼（Ｍｏｎｔｉｃａｔｉｎｉ）公司的海洛特工廠商品化，這是所謂（二元乙丙橡膠）。這種橡膠主鏈不含雙鍵，是與以往合成橡膠完全不同的一類橡膠。一方面因該橡膠不含雙鍵致使耐熱性，錦湖 KEP-330、耐天候性、耐臭氧性和耐化學(xué)藥品性十分優(yōu)越。另一方面由于不含雙鍵的緣故而不能采用硫黃硫化法使之交聯(lián)，錦湖 KEP-330，但在１９６２年通過加入第三單體的方法而使它變成可用硫黃硫化的橡膠。改性乙丙橡膠主要是將乙丙橡膠進行溴化、氯化、磺化、順酐化、馬來酸酐化等。錦湖 KEP-330</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖 KEP-330,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000842428031661/6370008424280316619947092.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。錦湖KUMHO BIIR共混EPDM三元乙丙橡膠是一種密度較低的橡膠，其密度為0.87。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖 KEP-330,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000839581671305/6370008395816713052558776.JPG"></div><p> 2. EPDM在液壓制動用軟管和圓密封圈中的應(yīng)用 </p> <p> 利用EPDM耐制動液（DOT3、DOT4、DOT5（硅油基））的特性，用于液壓制動軟管內(nèi)膠層和制動泵中的密封圈的制作。此類產(chǎn)品接觸的主要介質(zhì)是制動液，使用溫度在-40℃～120℃之間，短期耐熱溫度可達135℃。此類零件采用的EPDM，硬度（邵氏A為80其拉伸強度應(yīng)在10.5MPa以上斷裂伸長率一般在175%以上；在伸長率50%下的定伸應(yīng)力為2.5～4MPa；在伸長率**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)無裂紋；制動液試驗（將試樣放于制動液中，150℃，70h）其硬度變化應(yīng)為5，拉伸強度變化應(yīng)為±20%，伸長率變化應(yīng)為-15%～20%，體積改變應(yīng)在±5%；熱化試驗（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15%。 </p><p> 素材 </p> <p> 很多試驗表明，膠相結(jié)構(gòu)的粗細程度對硫化膠物理機械性能的影響 </p> <p> 不大，但是我們以大小與上述相結(jié)構(gòu)粗細相當(dāng)?shù)牧Ｗ幼鳛樘盍蟻泶嬉环N橡膠時，則在這個含有相同大小尺寸的填料的填充橡膠中，其物理性能會有很大的差別，這是由于在并用膠中存在連續(xù)相與分散相的膠相結(jié)構(gòu)，在填充橡膠中，也存在著一橡膠為連續(xù)相，包圍著以填料為分散相的結(jié)構(gòu)在純膠并用膠中，分散相和連續(xù)相橡膠，當(dāng)這個硫化膠受外力拉伸變形時，兩相都可以變形，并有一定的結(jié)合力存在，因此，在外界上沒有過分應(yīng)力集中，不易產(chǎn)生相分離現(xiàn)象。雖然膠相中盡管有粗細之分，但物理機械性能上差異不大，但在拉伸時，分散相不能變形的填料橡膠中，填料的粒徑增加，應(yīng)力集中越嚴重，兩相產(chǎn)生分離而導(dǎo)致拉斷強度下降。有些并用膠性能與膠相結(jié)構(gòu)大小尺寸有關(guān)。例如，對抗臭氧腐蝕性能，膠相區(qū)域的大小是有影響的。在丁苯橡膠與三元乙丙橡膠并用中，膠相區(qū)域越小，抗臭氧能力越大，因為膠相區(qū)域小了，丁苯橡膠的裂紋就被三元乙丙橡膠所阻隔，使裂紋不能穿過三元乙丙橡膠，因而**提高了抗臭氧侵蝕的能力。 EPDM與硅橡膠有一定的相容性，用EPDM改性后的硅橡膠性能明顯提高可應(yīng)用于許多領(lǐng)域。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖 KEP-330,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000894284965060/6370008942849650601158376.JPG"></div><p> 8. EPDM的塑煉與混煉 </p> <p> 塑煉?：EPDM的塑煉效果差，不象天然橡膠和丁苯橡膠那么易于塑煉。門尼粘度高的三元乙丙橡膠塑煉時，由于分子鏈斷裂，門尼粘度有所下降。低門尼枯度的乙丙橡膠，只是在塑煉初期門尼粘度稍有下降。因此三元乙丙橡膠不象天然橡膠那樣需要專門進行塑拉，只是在混煉前先將三元乙丙橡膠在低溫下稍薄通即可。 </p> <p> 混煉? ：EPDM可采用開煉機和密煉機混煉。但用密煉機混煉填充劑分散效果更好。 </p> <p> 開煉機混煉 </p> <p> 由于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。故用開煉機混煉時應(yīng)注意以下幾點： </p> <p> 1 ）門尼粘度低的可以用開煉機混煉，門尼粘度高的用開煉機混煉比較困難； </p> <p> 2）混煉開始時采用窄輥尾，先將生膠薄通 1 0 次左右，使其形成連續(xù)的包輥膠后再放寬輥距進行加料混煉； </p> <p> 3）輥溫應(yīng)控制在 60℃左右，前輥溫度稍低于后輥； </p> <p> 4）混煉高填充油和高填充劑的膠料時，可將油和填充劑先混合后再加到膠料 </p> <p> 中去，以改善混煉操作。 </p> <p> 密煉機混煉 </p> <p> EPDM 密煉機混煉應(yīng)注意以下幾點： </p> <p> 1 ）容量應(yīng)比正常容量高 15%左右； </p> <p> 2）溫度要高些，以利于乙丙橡膠在高溫下塑化，從而使配合劑易于分散均勻； </p> <p> 3）填充劑用量高的膠料宜采用逆混法，填充劑用量低的膠料用一般混煉法較好。三元乙丙橡膠耐過熱水性能亦較好，但與所用硫化系統(tǒng)密切相關(guān)。KEP-110錦湖服務(wù)商</p><p style="text-indent:25px">硫載體硫化膠交聯(lián)密度大，綜合力學(xué)性能較好,長久變形大,耐熱老化性能差。錦湖 KEP-330</p><p> 乙丙橡膠化學(xué)改性 </p> <p> 盡管乙丙橡膠具有耐熱、抗老化、抗沖擊彈性和低溫性能良好等優(yōu)點，但存在強度低、自粘性及互粘性差，與其他膠種并用時，共混相溶性不好等缺點。為了制備綜合性能更優(yōu)異的橡膠，在技術(shù)上常對乙丙橡膠進行極化改性。改性乙丙橡膠主要是將乙丙橡膠進行溴化、氯化、磺化、順酐化、馬來酸酐化等。乙丙橡膠還通過接枝方法進行改性，以解決乙丙橡膠的分子主鏈為非極性飽和結(jié)構(gòu)存在的強度低、自粘性及互粘性差、本身著色、印刷、電鍍困難、與其它膠種共混并用時相容性差等性能缺點，從而拓展了乙丙橡膠在許多方面的應(yīng)用。錦湖 KEP-330</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/2979067.html</p></div></div></div></div></div><div id="omolxpg" class="page-right twoColRt"><div id="ue8skby" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="qkcolsp" 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