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class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000898065169874/6370008980651698743415527.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="v23qkw2" 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>高度二烯三元乙丙膠錦湖誠信經(jīng)營,錦湖</p><p><span>***更新：</span>2020-12-12 05:02:56</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="bx7fho7" 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="q34iz3k" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="xc2se3l" class="box"><p><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，高度二烯三元乙丙膠錦湖誠信經(jīng)營，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，高度二烯三元乙丙膠錦湖誠信經(jīng)營、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，高度二烯三元乙丙膠錦湖誠信經(jīng)營。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 /> 三元乙丙中*****使用的是ENB，它比DCPD產(chǎn)品硫化要快得多。高度二烯三元乙丙膠錦湖誠信經(jīng)營</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="高度二烯三元乙丙膠錦湖誠信經(jīng)營,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000898065169874/6370008980651698743415527.JPG"></div><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、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。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)需求增加耐低溫三元乙丙膠錦湖服務(wù)為先三元乙丙橡膠(EPDM)常用依據(jù)不同的性能要求可使用硫黃、過氧化物及樹脂硫化。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="高度二烯三元乙丙膠錦湖誠信經(jīng)營,錦湖" src="http://tyunfile.71360.com/UploadFile/junyi/637206627884931640/178608.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 /> </p><p> EPDM硫化體系介紹 </p> <p> 三元乙丙橡膠(EPDM)常用依據(jù)不同的性能要求可使用硫黃、過氧化物及樹脂硫化。過氧化物硫化膠有較好熱穩(wěn)定性和耐壓縮長久變形性,硫化速度慢,抗撕裂性能和其他性能均較差,氣味不佳。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。采用硫載體等助劑活化過氧化物或硫黃硫化體系,可使EPDM或其并用硫化膠具有更加優(yōu)良的加工安全性和力學(xué)性能。過氧化物常用交聯(lián)助劑有:烯丙基化合物(TAC和TAIC等),DTDM,HVA-2等。此外,不飽和羧酸金屬鹽也是一種能夠參與硫化的多功能助劑,可起硫化助劑、橡膠/金屬粘合助劑和補(bǔ)強(qiáng)劑等的作用,獲得的羧酸金屬鹽原位補(bǔ)強(qiáng)橡膠具有高模量、**度、高抗撕、高耐磨、高耐熱和耐溶劑等優(yōu)異特性,在特種橡膠制品領(lǐng)域有著廣闊的應(yīng)用前景。 EPDM與NBR分子極性差別很大，相容性很差，共混時(shí)需要添加相容劑提高二者的相容性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="高度二烯三元乙丙膠錦湖誠信經(jīng)營,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000843571893150/6370008435718931506814606.JPG"></div><p style="text-indent:25px">氫化丁腈橡膠(HNBR)是一種綜合性能極好、極具發(fā)展?jié)摿Φ奶胤N橡膠。氫化丁腈橡膠（HNBR）與腈橡膠（NBR）相比，其分子主鏈上的碳-碳雙鍵（C=C）少，化學(xué)結(jié)構(gòu)穩(wěn)定，具有優(yōu)異的耐油、耐腐蝕，耐低溫、耐高溫、耐熱氧老化、耐動(dòng)態(tài)疲勞和耐臭氧性能，可耐150～170℃高溫，其耐寒性能優(yōu)于氟橡膠，耐酸性汽油是普通丁腈橡膠(NBR)的5倍多，耐磨性比普通NBR提高50%以上，熱降解溫度隨著氫化度的提高而提高，比NBR高30～40℃，其優(yōu)異的耐新型制冷劑、耐硫化氫性能更是無以倫比。因而，它作為高性能膠管、膠帶、密封和減震零部件、膠輥、特殊電線電纜等制品的材料，在高鐵、航空、新能源、汽車、石油等重大工業(yè)領(lǐng)域，具有其他材料無法替代的作用。三元乙丙橡膠具有較高的增稠能力有著較好的抗剪切穩(wěn)定性及耐低溫和抗氧化性能。KEP-282F錦湖客戶至上</p><p style="text-indent:25px">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)。高度二烯三元乙丙膠錦湖誠信經(jīng)營</p><p> 8. EPDM門窗密封條&機(jī)柜密封條 </p> <p> 門窗密封條的分類：塑鋼門窗密封條，鋁合金門窗密封條，木門密封條，冷 </p> <p> 庫門密封條，糧庫門密封條，阻燃門窗密封條，玻璃密封條，自動(dòng)旋轉(zhuǎn)門密封條，建筑門密封條，幕墻密封條等。門窗密封條特點(diǎn)：塑鋼門窗密封條是近年來應(yīng)用較廣的新一代門窗，它較普通門窗密封條有更好的防腐性、耐候性、降噪隔熱效果。塑鋼門窗密封條表面光潔，不但具有優(yōu)異的密封防水性能，還起著美觀裝飾的作用。在選材方面，一般要求較高的廠家都選用三元乙丙橡膠或熱塑性三元乙丙橡膠。 </p> <p> 機(jī)柜密封條：電氣柜密封條是由具有良好彈性和抗壓縮變形、耐老化、臭氧、化學(xué)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 . 在各種電氣柜上起著很關(guān)鍵的作用。高度二烯三元乙丙膠錦湖誠信經(jīng)營</p><p style="text-indent:25px">上海君宜化工銷售中心（有限合伙）主要經(jīng)營范圍是橡塑，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場口碑。公司業(yè)務(wù)分為化工原料及產(chǎn)品，橡膠，炭黑，色母粒，彈性體等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司從事橡塑多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。上海君宜化工憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2369153.html</p></div></div></div></div></div><div id="dszl3rd" 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