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href="http://www.cdcfah.com/cp/third-xiangsu_qtflmw/">其他未分類</a>?錦湖KUMHO門窗密封用三元乙丙膠服務(wù)為先上海君宜化工供應(yīng)</p><div id="s23f2cz" class="leftbox clearfix"><h1>錦湖KUMHO門窗密封用三元乙丙膠服務(wù)為先上海君宜化工供應(yīng)</h1><div id="pt8dsub" class="proBig"><div id="fe3jl3x" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000897306890087/6370008973068900877713965.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="jtqxeg7" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000897306890087/6370008973068900877713965.JPG" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="w2h7hel" 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KUMHO門窗密封用三元乙丙膠,錦湖</p><p><span>***更新：</span>2021-01-11 08:03:14</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="bgvx7tj" 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="3cb7gnp" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="5cta7zr" class="box"><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，錦湖KUMHO門窗密封用三元乙丙膠、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。因此使用橡膠產(chǎn)品要求性能上年然而，錦湖KUMHO門窗密封用三元乙丙膠，錦湖KUMHO門窗密封用三元乙丙膠，在不能準(zhǔn)確把任何時候添加材料，都可能成為泄漏、起霜等負(fù)面因素。錦湖KUMHO門窗密封用三元乙丙膠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖KUMHO門窗密封用三元乙丙膠,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000897306890087/6370008973068900877713965.JPG"></div><p> 硫化類型三元乙丙可以利用有機(jī)過氧化物或者硫來進(jìn)行硫化。但是，相比與硫磺硫化，過氧化物交鏈的三元乙丙用于電線電纜工業(yè)時具有更高的溫度抗性，更低的壓縮形變以及改進(jìn)的硫化特性。過氧化物硫化的不好的地方就在于更高的成本。正如前面所提到的，三元乙丙的交鏈速度和硫化時間隨著硫化類型和含量而改變。當(dāng)三元乙丙與丁基，天然橡膠，丁苯橡膠混合時，在選擇合適的三元乙丙產(chǎn)品時，必須要考慮到下列因素：當(dāng)與丁基進(jìn)行混合時，由于丁基具有較低的不飽和度，為適應(yīng)丁基的硫化速度，比較好選擇相對較低含量的DCPD和ENB含量的三元乙丙。當(dāng)與天然橡膠和丁苯橡膠混合時，比較好選擇8%到10%ENB含量的三元乙丙，以滿足其硫化速度。三元乙丙橡膠是由乙烯、丙烯經(jīng)溶液共聚合而成的橡膠，再引入第三單體（ENB）。三元乙丙橡膠基本上是一種飽和的高聚物，耐老化性能非常好、耐天候性好、電絕緣性能優(yōu)良、耐化學(xué)腐蝕性好、沖擊彈性較好。乙丙橡膠的**主要缺點(diǎn)是硫化速度慢；與其它不飽和橡膠并用難，自粘和互粘性都很差，故加工性能不好。 KEP-2320錦湖誠信合作硫載體硫化膠交聯(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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖KUMHO門窗密封用三元乙丙膠,錦湖" src="http://tyunfile.71360.com/UploadFile/junyi/637206627882236328/2540016.jpg"></div><p> 2. 分子量對三元乙丙膠性能的影響： </p> <p> 三元乙丙橡膠的分子量及分布可以通過凝膠滲透色譜法使用二氯苯作為溶劑在高溫下（150℃）測量而得。分子量分布通常被稱為是重量平均分子量與數(shù)量平均分子量的比例。根據(jù)普通和高度支化的結(jié)構(gòu)，這個值通常在2到5之間變化。三元乙丙橡膠的門尼粘度可以反映其分子量的大小，三元乙丙橡膠的門尼粘度范圍通常在20到100之間。 </p> <p> 增加三元乙丙橡膠的分子量，正面影響有：更高的拉伸和撕裂強(qiáng)度，在高溫情況下更高的生坯強(qiáng)度，能夠吸收更多的油和填料（低成本）。但是過高的分子量也會使得橡膠的流動性能變差，這意味橡膠后續(xù)加工會更加的困難，比如更難混煉，更難充模，更難擠出等等，隨著分子量分布的增加，正面的影響有：增加的混煉和碾磨加工性。但是，較窄的分子量分布可以改進(jìn)硫化速度，硫化狀態(tài)以及注塑行為。 </p><p> EPDM共混改性一： </p> <p> ＥＰＤＭ的硫化速度較慢，耐油性及粘合性較差，若使其與橡膠如天然橡膠（ＮＲ）、丁腈橡膠（ＮＢＲ）、丁基橡膠（ＩＩＲ）、甲基乙烯基硅橡膠（ＶＭＱ）、氯磺化聚乙烯（ＣＳＭ）、氯丁橡膠（ｃＲ）、氯化聚乙烯（ＣＰＥ）等并用改性，可以很好地綜合不同種類橡膠的優(yōu)異性能，改善各自的不足。一方面，ＥＰＤＭ可以改善其他膠種的耐熱性、耐低溫性、耐臭氧及耐水蒸氣性能等；另一方面，又會使ＥＰＤＭ本身的加工性、耐油性和粘合性得到提高。因此，ＥＰＤＭ與其他橡膠共混改性，可制造出許多具有優(yōu)異性能的新材料。ＥＰＤＭ具有飽和主鏈和低不飽和側(cè)鏈，與塑料和其他橡膠共混、動態(tài)硫化改性，可制造多種性能優(yōu)異的新型材料。典型共混物是與聚丙烯（ＰＰ）共混動態(tài)硫化改性制成全硫化ＴＰＶ。 EPＤＭ中乙烯和丙烯含量對其性能有較大影響.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錦湖KUMHO門窗密封用三元乙丙膠,錦湖" src="http://tyunfile.71360.com/UploadFile/junyi/637206627881669922/1781938.jpg"></div><p> EPDM耐熱性一： </p> <p> 乙丙橡膠的耐熱及耐熱氧老化性能優(yōu)于其他通用橡膠，只要配合適當(dāng)，乙丙橡膠的長期工作溫度可達(dá)１２０℃，比較高連續(xù)工作溫度為１５０℃，短時間甚至可耐２３０～２６０℃高溫。這種良好的耐熱老化性能使其成為制造耐熱輸送帶、耐熱膠管等耐熱制品較為理想的彈性體材料。不過，當(dāng)使用溫度高于１５０℃時，乙丙橡膠便開始緩饅分解。普通牌號的乙丙橡膠即使不加入耐熱型防老劑，也具有良好的耐高溫性能。加入適當(dāng)防老劑，會進(jìn)一步改善乙丙橡膠的耐高溫性能。為了獲得硫黃硫化時比較好的耐熱性能，另外加入一些***防老劑可進(jìn)一步改善膠料的耐熱性能。硫黃硫化ＥＰＤＭ膠料中使用***自由基捕捉型防老劑如防老劑ＡＭ和其與防老劑增效劑如防老劑ＭＢ搭配使用時，兩種添加防護(hù)體系膠料的耐熱性能均比不加防老劑的時好。而且兩種防老劑搭配使用比單用自由基捕捉型防老劑好。當(dāng)與天然橡膠和丁苯橡膠混合時，比較好選擇8%到10%ENB含量的三元乙丙，以滿足其硫化速度。KEP-960N錦湖供應(yīng)商</p><p style="text-indent:25px">EPDM/PP共混型熱塑性彈性體(TPE）就是極具發(fā)展?jié)摿Φ男虏牧?。錦湖KUMHO門窗密封用三元乙丙膠</p><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(jìn)美國?？松ぃ‥xxonChemical）的先進(jìn)技術(shù)生產(chǎn)，2015年第四條生產(chǎn)線建成后，產(chǎn)量達(dá)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(qiáng)，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(shí)現(xiàn)高度填充，經(jīng)濟(jì)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門窗密封用三元乙丙膠</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/2799106.html</p></div></div></div></div></div><div id="jwolx32" class="page-right twoColRt"><div id="5tah7x2" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="0cjqse8" class="recomPic likePro"><a href="http://www.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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