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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>錦湖三元乙丙膠 KEP-330,錦湖</p><p><span>***更新：</span>2020-12-30 10:03:27</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="dupi8ib" 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="iec3ayr" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="p8ii13f" class="box"><p><p> 2，錦湖三元乙丙膠 KEP-330. 增強(qiáng)改性二： </p> <p> 短纖維／橡膠復(fù)合材料（ＳＦＲＣ）將纖維的剛性與橡膠的柔性有機(jī)結(jié)合在一起，滿足一些橡膠制品的某些性能特殊要求，在傳動帶、膠管、密封制品等廣泛應(yīng)用。ＳＦＲＣ性能強(qiáng)烈依賴于纖維的形狀系數(shù)（長徑比）、短纖維在橡膠基體的分散及取向、纖維與橡膠的黏合等。由于ＥＰＤＭ分子結(jié)構(gòu)中缺少活性基團(tuán)，內(nèi)聚能低，與纖維之間界面作用弱，影響纖維的分散和黏合，因此纖維的表面處理對ＥＰＤＭ的ＳＦＲＣ非常重要，錦湖三元乙丙膠 KEP-330，錦湖三元乙丙膠 KEP-330。經(jīng)過改性處理的短纖維對ＥＰＤＭ膠料的交聯(lián)反應(yīng)具有某種催化作用，它能增加交聯(lián)速度和交聯(lián)密度，使復(fù)合材料獲得更大的強(qiáng)度和彈性。三元乙丙的交鏈速度和硫化時(shí)間隨著硫化類型和含量而改變。錦湖三元乙丙膠 KEP-330</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖三元乙丙膠 KEP-330,錦湖" src="http://tyunfile.71360.com/UploadFile/junyi/637206627958671875/7200008.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)工藝過程主要包括：原料配制、聚合、溶劑、單體回收和包裝等。目前來說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θ軇┖蛦误w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 /> KEP-110錦湖服務(wù)為先三元制乙丙橡膠不但具有優(yōu)異的電絕緣性能，而且耐臭氧、耐火、耐候、防老化。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖三元乙丙膠 KEP-330,錦湖" src="http://tyunfile.71360.com/UploadFile/junyi/637206627954843750/9626613.jpg"></div><p> EPDM配方設(shè)計(jì)的方法 </p> <p> a.關(guān)于村科的種類 </p> <p> 此概念的基礎(chǔ)上采取添加所需材料的方法。追求“簡單的就是比較好的"這排除計(jì)量失誤發(fā)生的可能性，材料的種類是越少越好。為便于在場進(jìn)行原材料管理，以由于近來各材料生產(chǎn)商都在不斷地開發(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 </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)。 </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(jìn)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、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(diǎn)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(jià)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、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)，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。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="錦湖三元乙丙膠 KEP-330,錦湖" src="http://tyunfile.71360.com/UploadFile/junyi/637206627954687500/9953616.jpg"></div><p> EPDM共混改性三： </p> <p> ＥＰＤＭ／氫化丁腈橡膠（HNBR）：中國**ＣＮｌ６２１４４１Ａ提出用乙烯含量６０％以下的ＥＰＤＭ與不超過３０份的ＨＮＢＲ并用，并配有５０份甲基丙烯酸鋅，其中ＥＰＤＭ作為海相，ＨＮＢＲ為島相的共混物，具有耐高低溫、耐油、高硬度、**度、耐疲勞性能，可用于高負(fù)荷傳動帶。 </p> <p> ＥＰＤＭ／乙烯．醋酸乙烯共聚物（EVM）：通過與不同ＶＡ含量的ＥＶＭ橡膠的并用，以及采用不同的共混比，研究了ＥＰＤＭ與ＥＶＭ并用膠料對物理機(jī)械性能的影響。結(jié)果表明：ＥＰＤＭ與ＥＶＭ并用，可以有效改善ＥＰＤＭ膠料的耐熱性、耐油性、耐低溫性、耐溶劑性及阻燃性，粘合性能增加。同時(shí)降低了膠料的門尼粘度，并用膠具有良好的混煉工藝及成型加工性。 </p> <p> ＥＰＤＭ／ＥＶＭ并用膠以其優(yōu)良的耐熱性、低壓變性、耐油性、無鹵阻燃性廣泛應(yīng)用于以汽車工業(yè)為主的工業(yè)用、普通用各種密封制品、擠出制品、膠輥、膠帶、符合環(huán)保要求的電纜等各種橡膠制品。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。KEP-110錦湖服務(wù)為先</p><p style="text-indent:25px">加入適宜防老劑可提高其使用溫度。錦湖三元乙丙膠 KEP-330</p><p> EPDM生膠選擇原則 </p> <p> 良好填充性：高門尼粘度，高乙烯含量 </p> <p> 開煉機(jī)容易包輥不粘輥：分子量分布寬一些，比較好是充油的牌號 </p> <p> 密煉機(jī)混煉性能優(yōu)異：生膠選擇范圍較寬；在填充容量方面：低硬度膠料可以多填充5~10%，高硬度膠料少填充5~10%。 </p> <p> 容易擠出喂料：選擇高乙烯含量 </p> <p> 擠出和壓延速度快：高乙烯含量，分子量分布寬一些 </p> <p> 擠出時(shí)口型膨脹低：門尼粘度不宜過高 </p> <p> 抗塌陷性好：高門尼粘度，高乙烯含量 </p> <p> 與金屬、纖維等粘合性好：低乙烯含量，低充油量，中~高ENB含量 </p> <p> 沖模（流動）性好：門尼粘度和ENB含量不宜過高 </p> <p> 與IIR并用：低ENB含量牌號 </p> <p> 與二烯烴類橡膠并用：高ENB含量牌號 </p> <p> 海綿發(fā)泡：高門尼粘度、充油品級、高ENB含量 </p> <p> 低硬度：充油牌號，高門尼粘度，中~高乙烯含量 </p> <p> 高硬度：高乙烯含量，低門尼粘度 </p> <p> **度，高抗撕:高門尼粘度 </p> <p> 低壓縮長久變形:高門尼粘度，中高ENB含量 </p> <p> 低溫性能：低乙烯含量，中等ENB含量 </p> <p> 室溫~高溫：高門尼，高ENB含量 </p> <p> 高回彈性能：低乙烯含量，中~高門尼粘度，中~高ENB含量 </p> <p> 耐熱性：低充油量，低ENB含量 </p> <p> 耐油性：高門尼粘度，高乙烯含量，高ENB含量錦湖三元乙丙膠 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(shí)力背景、信譽(yù)可靠、勵(lì)精圖治、展望未來、有夢想有目標(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(shí)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/2629621.html</p></div></div></div></div></div><div id="te8cleu" class="page-right twoColRt"><div id="c8nvxqk" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="fmgdjus" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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