KEP-281F錦湖歡迎咨詢信息推薦上海君宜化工供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=".乙烯丙烯比乙烯丙烯比可以在硫化階段進(jìn)行改變，商業(yè)的三元乙丙聚合物乙烯丙烯比由80/20到50/50。當(dāng)乙烯丙烯比由50/50變化到80/20時，正面的影響有：更高的壓坯強(qiáng)度，更高的拉伸強(qiáng)度，更高的結(jié)晶化，更低的玻璃體轉(zhuǎn)化溫度，能將原材料聚"><meta name="keywords" content="KEP-281F錦湖歡迎咨詢,錦湖"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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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>?KEP-281F錦湖歡迎咨詢信息推薦上海君宜化工供應(yīng)</p><div id="2as3qx8" class="leftbox clearfix"><h1>KEP-281F錦湖歡迎咨詢信息推薦上海君宜化工供應(yīng)</h1><div id="ao3k2vf" class="proBig"><div id="u3lnu8e" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/junyi/637206627880576172/7135495.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="s9ld8jq" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/junyi/637206627880576172/7135495.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8s28hzb" 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>KEP-281F錦湖歡迎咨詢,錦湖</p><p><span>***更新：</span>2020-12-10 02:02:17</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="ofb9a88" 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="3yxr3cj" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="qczy23t" class="box"><p><p> . 乙烯丙烯比 </p> <p> 乙烯丙烯比可以在硫化階段進(jìn)行改變，商業(yè)的三元乙丙聚合物乙烯丙烯比由80/20到50/50。當(dāng)乙烯丙烯比由50/50變化到80/20時，正面的影響有：更高的壓坯強(qiáng)度，更高的拉伸強(qiáng)度，更高的結(jié)晶化，更低的玻璃體轉(zhuǎn)化溫度，能將原材料聚合物轉(zhuǎn)化成丸狀，以及更好的擠出特性。不好的影響就是不好的壓延混合性，較差的低溫特性，以及不好的壓縮形變，KEP-281F錦湖歡迎咨詢。 </p> <p> <p> ，KEP-281F錦湖歡迎咨詢. 乙烯丙烯比 </p> <p> 乙烯丙烯比可以在硫化階段進(jìn)行改變，商業(yè)的三元乙丙聚合物乙烯丙烯比由80/20到50/50。當(dāng)乙烯丙烯比由50/50變化到80/20時，正面的影響有：更高的壓坯強(qiáng)度，更高的拉伸強(qiáng)度，更高的結(jié)晶化，更低的玻璃體轉(zhuǎn)化溫度，能將原材料聚合物轉(zhuǎn)化成丸狀，以及更好的擠出特性，KEP-281F錦湖歡迎咨詢。不好的影響就是不好的壓延混合性，較差的低溫特性，以及不好的壓縮形變。 </p> 乙丙橡膠綜合物理機(jī)械性能介于天然膠與丁苯膠之間，與丁基橡膠類似。KEP-281F錦湖歡迎咨詢</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="KEP-281F錦湖歡迎咨詢,錦湖" src="http://tyunfile.71360.com/UploadFile/junyi/637206627880576172/7135495.jpg"></div><p> EPDM在汽車暖氣、通風(fēng)和空調(diào)管中的應(yīng)用 </p> <p> 橡膠管一般分三層構(gòu)成，即內(nèi)層、中間加強(qiáng)層（化纖織物或鋼絲）及外層。三層所用材料應(yīng)根據(jù)實際要求進(jìn)行選擇。內(nèi)層膠應(yīng)耐所送介質(zhì)的腐蝕，外層膠應(yīng)具有機(jī)械強(qiáng)度，且適應(yīng)外部所接觸的環(huán)境。因此，內(nèi)、外膠常常不是一種橡膠?；w織物主要用作低壓管，而金屬編織物用于高壓和超高壓管。EPDM已***用于暖氣和通風(fēng)管的內(nèi)外膠層、空調(diào)軟管的外膠層，這是因為該材料具有很好的耐空氣、水、臭氧、陽光老化性和低溫柔軟性。此類零件采用的EPDM，硬度（邵氏A）為70；其拉伸強(qiáng)度應(yīng)在10.5MPa以上；斷裂伸長率一般在300%以上；壓縮殘余變形（100℃，22h）應(yīng)小于40%；其玻璃化轉(zhuǎn)變溫度（TR）比較大為-45℃；耐臭氧老化（50pphm,拉伸20%，72h）應(yīng)無裂紋；IRM902號油試驗（將試樣放于IRM902號油中，100℃，70h）其硬度降低比較大為15，拉伸強(qiáng)度降低比較大為30%，撕裂強(qiáng)度降低比較大為30%，體積改變應(yīng)在80%之內(nèi)；熱老化試驗（125℃，70h），其硬度變化應(yīng)為±5，拉伸強(qiáng)度變化應(yīng)為±15%，伸長率的下降不能超過40%。 </p> <p> 推薦使用牌號：錦湖KEP960N 丁基共混錦湖三元乙丙膠三元乙丙是乙烯、丙烯和非共軛二烯烴的三元共聚物。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="KEP-281F錦湖歡迎咨詢,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000842536067112/6370008425360671123610909.JPG"></div><p> EPDM的黏合一： </p> <p> 在橡膠制品生產(chǎn)過程中，黏合是一個很重要的課題。它包括橡膠與橡膠、橡膠與金屬和橡膠與纖維織物等之間黏合。乙丙橡膠由于表面缺乏活性，與其它材料粘合困難，尤其是一些在高溫、高負(fù)荷動態(tài)狀態(tài)下使用的制品如汽車傳動帶、空氣彈簧等用常規(guī)的粘合處理方法如ＲＦＬ和“間甲白”直黏體系等，很難達(dá)到滿意的黏合效果，需用特殊或幾種方法配合使用。 </p> <p> ＥＰＤＭ與纖維織物黏合中，纖維表面處理用ＲＦＬ浸漬液中的膠乳一般使用ＣＳＭ、ＢＲ和ＥＰＤＭ等，這在一般靜態(tài)使用的橡膠制品尚可，但高動態(tài)使用時，其黏合強(qiáng)度顯得不足，解決辦法有：①用特殊膠乳。用高反應(yīng)性的馬來酸酐聚二丁烯膠乳處理，可**提高尼龍、聚酯和芳綸等纖維與ＥＰＤＭ黏合強(qiáng)度。 </p><p style="text-indent:25px">Ａ.Ｅｓｔｒｉｎ等用馬來酸酐聚丁二烯（ＰＢＤＭＡ）處理芳綸、尼龍聚酯和棉等纖維，結(jié)果**提搞這些短纖維在ＥＰＤＭ的黏合作用。岑蘭等探討了幾種硅烷偶聯(lián)劑預(yù)處理棉短纖維（ＳＣＦ）種類、取向和用量對短纖維／橡膠復(fù)合材料（ＳＦＲＣ）力學(xué)性能和老化性能的影響。研究結(jié)果表明：與未處理ＳＣＦ相比，硅烷偶聯(lián)劑預(yù)處理的ＳＣＦ．具有更佳的補(bǔ)強(qiáng)性能，ＳＦＲＣ的拉伸強(qiáng)度、撕裂強(qiáng)度和扯斷伸長率更高。其中，硅烷偶聯(lián)劑ＫＨ-５７０（３-氨丙基三乙氧基硅烷）和ＫＨ-５８０（３-巰丙基三乙氧基硅烷）處理ＳＣＦ對ＥＰＤＭ的增***果更為明顯。吳衛(wèi)東等比較了表面特殊處理、常規(guī)此理和未處理的尼龍纖維對ＥＰＤＭ／尼龍復(fù)合材料性能影響，結(jié)果表明，經(jīng)表面特殊處理的ＳＦＲＣ屈服強(qiáng)度**提高，拉伸斷裂后纖維表面存在一定厚度且柔韌的界面過渡薄層。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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="KEP-281F錦湖歡迎咨詢,錦湖" src="http://tyunfile.71360.com/UpLoadFile/junyi/2019/7/637000897074156693/6370008970741566935962147.JPG"></div><p style="text-indent:25px">用氫化丁苯橡膠、羧化氫化丁苯橡膠、氫化丁腈橡膠、羧化氫化丁腈橡膠或氯磺化聚乙烯等膠乳中的一種與馬來化液體聚丁二烯樹脂的半酯水溶液組成的混合物直接處理予活化的聚酯纖維，可達(dá)到滿意的粘合效果。②在ＲＦＬ處理后的基礎(chǔ)上再涂一層黏合劑或膠漿。用鹵化橡膠作為膠漿涂敷ＲＦＬ處理過線繩，可進(jìn)一步提高黏合性能。用功能化的低分子聚乙烯如氧化聚乙烯與ＬＥＰＤＭ并用組合物，可作為織物和線繩涂膠用粘合膠；③在配方中直接加入特殊的黏合劑促進(jìn)劑。用液體馬來酸酐聚二丁烯膠加入ＥＰＤＭ膠料中可大幅度提高ＥＰＤＭ與纖維黏合性。EPDM用于制作發(fā)動機(jī)用水管。KEP-980N錦湖廠家直銷價</p><p style="text-indent:25px">乙丙橡膠有優(yōu)異的耐天候、耐臭氧、耐熱、耐酸堿、耐水蒸汽、顏色穩(wěn)定性、電性能、充油性及常溫流動性。KEP-281F錦湖歡迎咨詢</p><p> EPDM擠出成型 </p> <p> 橡膠的擠出成型始于內(nèi)胎成型，逐漸被廣泛應(yīng)用于汽車用內(nèi)飾材料、外飾材料、建筑用材料、管道、電線等領(lǐng)域特別是由于三元乙內(nèi)橡膠的擠壓物表面光滑干凈，主要用于維持形狀等物理特點(diǎn)要求高的地方， </p> <p> 為制造良好的KP三元乙丙橡膠擠出物，必須考慮如下要求特點(diǎn)。 </p> <p> l 分子量 </p> <p> l 分子量分布(MWD) </p> <p> l 乙烯丙烯的組成分布 </p> <p> l 填充劑的種類及擠壓加工性 </p> <p> l 硫化計 </p> <p> 分子量的大小主要反應(yīng)在生膠的門尼上，較低的門尼粘度有助于橡膠的順利擠出，分子量分布寬擠出性能優(yōu)異，乙烯含量對擠出性能會有相對正向的影響，填料方面，炭黑、碳酸鈣相對于白炭黑而言更利于擠出。 </p> <p> 進(jìn)行擠出加工時主要發(fā)生的問題包括擠壓量、沖模膨脹、形狀維持性、擠壓物的表面狀態(tài)、給料性等，為解決這些問題，必須注意聚合體的選擇以及填充劑的選擇。 KEP-281F錦湖歡迎咨詢</p><p style="text-indent:25px">上海君宜化工銷售中心（有限合伙）致力于橡塑，是一家貿(mào)易型公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細(xì)節(jié)，公司旗下化工原料及產(chǎn)品，橡膠，炭黑，色母粒，彈性體深受客戶的喜愛。公司從事橡塑多年，有著創(chuàng)新的設(shè)計、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。上海君宜化工秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實”的經(jīng)營理念，全力打造公司的重點(diǎn)競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2336988.html</p></div></div></div></div></div><div id="r2ylizb" class="page-right twoColRt"><div id="egxeqxe" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rlipmtf" 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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