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class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000893710918166/6370008937109181664059866.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="d87md8r" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000893710918166/6370008937109181664059866.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8tarip8" 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>KEP-350錦湖質(zhì)量保證,錦湖</p><p><span>***更新：</span>2021-01-12 05:02:44</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="f8wu2p2" 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="ftfrtac" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="qumjg8l" class="box"><p><p> 據(jù)MarketsandMarkets報(bào)道預(yù)計(jì)，2020年全球三元乙丙橡膠(EPDM)市場規(guī)模達(dá)72億美元，在2015-2020年之間以5．4％的復(fù)合年增長率增長。EPDM主要用于汽車、建筑與施工，KEP-350錦湖質(zhì)量保證、輪胎與管、電線與電纜和潤滑添加劑。該需求將不斷地受到增長的終端用戶產(chǎn)業(yè)、彈性體的需求增加、發(fā)展策略提升及擴(kuò)張和收購活動(dòng)增加的推動(dòng)。估計(jì)潤滑添加劑是增長**快的應(yīng)用。EPDM還可被用作潤滑劑中的黏度改進(jìn)劑(Ⅵ)。汽車產(chǎn)業(yè)是全球EPDM市場中比較大的終端用途產(chǎn)業(yè)細(xì)分市場。全球EPDM在汽車產(chǎn)業(yè)中的消費(fèi)主要是由于其高耐熱性和耐氣候性及振動(dòng)吸收性能。由于這些性能，EPDM還用于軟管、引擎蓋下的機(jī)械產(chǎn)品、車身密封膠、擋風(fēng)雨條、傳送帶、引擎支架、剎車配件、雨刮器等。在汽車產(chǎn)業(yè)中EPDM市場也受到了新興經(jīng)濟(jì)體生活標(biāo)準(zhǔn)提高的推動(dòng)。據(jù)報(bào)道，亞太地區(qū)是比較大的EPDM市場，包括中國、日本、馬來西亞、印度、中國臺(tái)灣和韓國。2014年亞太地區(qū)市場大約占全球EPDM市場的40％，且在2020年之前預(yù)計(jì)這個(gè)地區(qū)仍將主導(dǎo)市場。預(yù)計(jì)在2020年之前亞太地區(qū)還將是比較大的區(qū)域市場，以高投資于汽車、塑料改性和建筑行業(yè)等應(yīng)用，KEP-350錦湖質(zhì)量保證。并且預(yù)計(jì)亞太地區(qū)將是增長**快的EPDM市場。這種高增長歸因于不斷增長的汽車市場和中國國內(nèi)需求增加現(xiàn)階段在EPDM橡膠的生產(chǎn)中常用的制作工藝主要有三種，KEP-350錦湖質(zhì)量保證，分別為：懸浮聚合法、溶液聚合法及氣相聚合法。KEP-350錦湖質(zhì)量保證</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="KEP-350錦湖質(zhì)量保證,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000893710918166/6370008937109181664059866.JPG"></div><p> EPDM耐熱輸送帶中的應(yīng)用 </p> <p> 耐熱輸送帶廣泛應(yīng)用于冶金、焦化、建材等高溫作業(yè)環(huán)境中，主要輸送燒結(jié)礦石、焦炭和水泥等高溫固體物料，由于冷卻不充分，物料溫度瞬間可達(dá)４００℃～６００℃，部分高達(dá)８００℃以上，因此輸送帶必須具有非常高的耐熱性。三元乙丙橡膠（ＥＰＤＭ）具有優(yōu)良的耐高低溫性能（一５０～１２５℃），在通用橡膠中具有比較好耐熱性能，在１２５℃下可長期使用，在１５０＂Ｃ或更高溫度下短期使用，因此它可用作耐熱輸送帶覆蓋層橡膠材料。 </p> <p> 耐熱輸送帶按ＧＢ／ＴＧＢ／Ｔ２００２１－－２００５《帆布芯耐熱輸送帶》規(guī)定，按試驗(yàn)溫度不同分為四個(gè)等級(jí)：Ｔ１，可耐熱不大于１００℃的試驗(yàn)溫度；Ｔ２，耐熱不大于１２５℃的試驗(yàn)溫度；Ｔ３，可耐熱不大于１５０＂Ｃ的試驗(yàn)溫度；Ｔ４，可耐熱不大于１７５℃的試驗(yàn)溫度。其中Ｔ３和Ｔ４一般需用ＥＰＤＭ制造。 </p> <p> <br /> KEP-070P錦湖歡迎咨詢比較簡單有效地提高粘合力的辦法是提高溫度和壓力。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="KEP-350錦湖質(zhì)量保證,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000839302751774/6370008393027517745965311.JPG"></div><p> EPDM密煉相關(guān) </p> <p> 密煉時(shí)的注意事項(xiàng) </p> <p> 1)內(nèi)部混合時(shí)投入量以缸膛凈容積NCV)的體積為基準(zhǔn)，填充759%-85%。 </p> <p> 2)混煉溫度的適當(dāng)范圍大概是130-160C，但隨著內(nèi)部攪拌器的形式、冷卻方式、爐量、混合劑的種類和量等的不同而出現(xiàn)差異。 </p> <p> 3)右下向上法若在填充劑、加工原料油大量混合時(shí)使用，短時(shí)間內(nèi)即可進(jìn)行混煉。 </p> <p> 密煉煉時(shí)的檢查項(xiàng)目 </p> <p> 在現(xiàn)場進(jìn)行內(nèi)部混煉時(shí)，容易發(fā)生分散不良、物性不良等問題，為防止發(fā)生這些問題，要注意如下檢查點(diǎn)。 </p> <p> l 產(chǎn)品的特點(diǎn)與混合方法(混煉模式)是否選擇正確? </p> <p> l 選擇的聚合體的形態(tài)是?(大包、松散塊狀、顆粒狀、碎屑等) </p> <p> l 批量號(hào)投入適量嗎? </p> <p> l 投入物的種類、形態(tài)、重量準(zhǔn)確嗎? </p> <p> l 攪拌器的Ram壓力適當(dāng)嗎?沖壓跳動(dòng)程度及混煉聲音。循環(huán)水的溫度準(zhǔn)確嗎? </p> <p> l 連續(xù)混煉時(shí)攪拌器內(nèi)部溫度的上升程度? </p> <p> l 轉(zhuǎn)子的旋轉(zhuǎn)速度及清理。排出溫度以及時(shí)間準(zhǔn)確嗎? </p> <p> l 被排出的混合物的形態(tài)及排出狀態(tài)是?(有無未分散的塊?) </p> <p> l 被排出的混合物的氣味(具有揮發(fā)性物質(zhì)的氣味) </p> <p> l 攪拌器的溫度圖表、耗電圖表狀態(tài)正常嗎? </p> <p> l 季節(jié)性因素：大氣溫度、原材料的保管狀態(tài)及溫度、中間材料的保管狀志及溫度 </p> <p> l 有無**近更換的原材料、輔助材料? </p> <p> l 自動(dòng)計(jì)量狀態(tài)是否良好? </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(hào) </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(dòng)）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(hào) </p> <p> 與二烯烴類橡膠并用：高ENB含量牌號(hào) </p> <p> 海綿發(fā)泡：高門尼粘度、充油品級(jí)、高ENB含量 </p> <p> 低硬度：充油牌號(hào)，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="KEP-350錦湖質(zhì)量保證,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000842536067112/6370008425360671123610909.JPG"></div><p> EPDM共混改性二： </p> <p> ＥＰＤＭ／聚酰胺（ＰＡ）：ＰＡ具有很高的抗張強(qiáng)度和抗沖擊韌性和耐磨性，與ＥＰＤＭ共混為一種高彈性模量和良好加工性能的彈性體，主要用于制造汽車零部件和建筑材料。北京化工大學(xué)馬勇等選用氯化聚乙烯（ＣＰＥ）作為ＥＰＤ脅體系的增容劑，研究得至ＵＣＰＥ的比較好用量是ＰＡ的１／２，當(dāng)ＰＡ用量為３０-４０份時(shí)產(chǎn)生比較好增***果。該項(xiàng)研究產(chǎn)物**提高了ＥＰＤＭ撕裂強(qiáng)度，而磨耗降低和耐油性提高，尤其是通過壓延拉伸ＰＡ能形成類似短纖維補(bǔ)強(qiáng)的微纖復(fù)合材料（ⅧＲＣ）。 </p> <p> ＥＰＤＭ／有機(jī)硅硅橡膠（ｖＭＱ）ＥＰＤＭ與有機(jī)硅橡膠改性，可以獲得許多優(yōu)異特性，在耐熱性、耐候性、壓縮長久變形性能方面優(yōu)于硅橡膠，既可用硫磺硫化，又可用過氧化物硫化，適用于多種成型方式，因此可用于硅橡膠或乙丙橡膠不能適應(yīng)的場合，如汽車減震材料、發(fā)動(dòng)機(jī)耐熱部件、電氣部件等，耐熱等級(jí)從ＥＰＤＭ的１５０℃提高到１７５℃。 </p> <p> <br /> 三元乙丙是乙烯、丙烯和非共軛二烯烴的三元共聚物。機(jī)械性能優(yōu)異三元乙丙膠錦湖客戶至上</p><p style="text-indent:25px">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。KEP-350錦湖質(zhì)量保證</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不是很好，與ＳＢＲ相當(dāng)。特別是過氧化物硫化的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，然后在過氧化物的作用下，ＺＤＭＡ從微米顆粒上脫落下來溶入橡膠基體中，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)合材料通過過氧化物引發(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。 KEP-350錦湖質(zhì)量保證</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(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://m.cdcfah.com/cp/2809498.html</p></div></div></div></div></div><div id="nq38fcu" class="page-right twoColRt"><div id="3lxug2y" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="s3i2iax" 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" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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