云浮制造固化劑特價歡迎來電江陰泉林化學(xué)品供應(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="不飽和聚酯樹脂作為復(fù)合材料，在涂料、玻璃鋼、人造石、工藝品等領(lǐng)域，都已經(jīng)得到了較好的應(yīng)用。但不飽和樹脂的顏色黃變，一直是一個困擾生產(chǎn)廠家的問題。通常不飽和樹脂的黃變原因包括以下幾種：1、不飽和樹脂酯化合成過程中，由于高溫引起的熱老化黃變，不"><meta name="keywords" content="云浮制造固化劑特價,固化劑"><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" content="no-transform" /> <meta 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href="http://www.cdcfah.com/cp/third-gyhwzx_qtgyhw/">其他過氧化物</a>?云浮制造固化劑特價歡迎來電江陰泉林化學(xué)品供應(yīng)</p><div id="3lnkmos" class="leftbox clearfix"><h1>云浮制造固化劑特價歡迎來電江陰泉林化學(xué)品供應(yīng)</h1><div id="baxzg3b" class="proBig"><div id="2c2ny4n" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/Jyquanlin/637286279900429688/2943002.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="vjlnuo8" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/Jyquanlin/637286279900429688/2943002.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="cfh7xku" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>云浮制造固化劑特價,固化劑</p><p><span>***更新：</span>2020-07-29 20:17:39</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="7edhoyk" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江陰泉林化學(xué)品有限公司</a></p><p><span>聯(lián)系人：</span>葉奇</p><p><span>郵箱: </span>63173667@QQ.COM</p><p><span>電話: </span>13861290603</p><p><span>傳真: </span>0510_</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0510-86658688</p><p><span>地址: </span>常澄路1號16樓1617-1620</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="tskmeqn" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="q88kmjq" class="box"><p><p> 不飽和聚酯樹脂作為復(fù)合材料，在涂料、玻璃鋼、人造石、工藝品等領(lǐng)域，都已經(jīng)得到了較好的應(yīng)用。但不飽和樹脂的顏色黃變，一直是一個困擾生產(chǎn)廠家的問題。通常不飽和樹脂的黃變原因包括以下幾種： </p> <p> 1、不飽和樹脂酯化合成過程中，由于高溫引起的熱老化黃變，不飽和樹脂一般酯化溫度，為180～220℃甚至更高，在此溫度下樹脂很容易因熱老化而變黃，影響樹脂產(chǎn)品外觀； </p> <p> 2、樹脂接觸紫外線而引起的黃變，主要因素是樹脂中存在的苯環(huán)(包括芳香族二元酸/酐和苯乙烯引入的苯環(huán))，原因可能是芳香族化合物在高溫時發(fā)生熱氧降解，容易發(fā)生π→π軌道上的電子躍遷，使樹脂呈現(xiàn)黃色； </p> <p> 3、樹脂生產(chǎn)過程中，因裝置密封性不好等原因使原料接觸氧氣，通用不飽和聚酯分子鏈中不僅含有酯基、羥基、羧基，云浮制造固化劑特價，而且含有雙鍵和芳香環(huán)，云浮制造固化劑特價，微量氧能使其發(fā)生熱氧化降解，**明顯的表現(xiàn)就是樹脂顏色變黃。 </p> <p> 4、添加劑的影響如抗氧劑、阻聚劑、固化劑等，胺類抗氧劑易轉(zhuǎn)變成氮氧自由基而使制品著色，常用的阻聚劑，如對苯二酚，在微量氧存在時氧化為醌類，云浮制造固化劑特價，醌類本身帶有顏色，從而影響樹脂的顏色，固化劑有些廠家仍采用過氧化酰類-叔胺體系和過氧化酮類-金屬皂體系，由于叔胺和金屬皂都有顏色，容易使樹脂著色。 </p> <p> <br /> 因此過多地使用促進(jìn)劑并不能達(dá)到加速固化的效果，反而會使產(chǎn)品性能下降。云浮制造固化劑特價</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云浮制造固化劑特價,固化劑" src="https://tyunfile.71360.com/WaterMark/UploadFile/Jyquanlin/637286279900429688/2943002.png"></div><p> 二氨甲基環(huán)已烷 1。3 BAC C260 （H2NCH2）2C6H8 棕色液體每100份標(biāo)準(zhǔn)樹脂用18份該環(huán)狀多元胺在常溫下不能完全固化，需進(jìn)行后固化80-150℃，得HDT達(dá)150℃左右。常需加促進(jìn)劑：叔胺、亞磷酸三苯酯、水楊酸、甲酚等。 </p> <p> 孟烷二胺 MDA （CH3）（H2N）C6H8 C（CH3）2NH2 分子量169 活潑氫當(dāng)量42.2 淺黃色液體每100份標(biāo)準(zhǔn)樹脂用6-22份加溫固化 80-130℃ 2小時-30分鐘適用期50克25℃長8-16小時。熱變形溫度148-158℃抗彎強度1050-1190kg/cm2，抗壓強度710kg/cm2，抗拉強度610kg/cm2，伸長率2.9%，沖擊強度 0.4尺-磅/寸洛氏硬度105。粘度低、適用期長。加熱迅速固化，毒性小。 </p> <p> <br /> 云浮制造固化劑特價施工環(huán)境對樹脂的固化影響很大，施工時環(huán)境溫度越高，膠凝和固化時間越短。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云浮制造固化劑特價,固化劑" src="https://tyunfile.71360.com/WaterMark/UploadFile/Jyquanlin/637286280245830078/9671124.png"></div><p> 二氨基環(huán)已烷 DAHM （NH2）2 C6H4 分子量112 無色液體活潑氫當(dāng)量28 每100份標(biāo)準(zhǔn)樹脂用14-16份固化常溫7天、70℃、2小時。 </p> <p> 二氨甲基環(huán)已基甲烷 DAMHM C-260 [（NH2）（CH3）C6H4 ]2CH2 分子量232活潑氫當(dāng)量58 無色液體每100份標(biāo)準(zhǔn)樹脂用33份固化80℃2小時+150℃2小時熱變形溫度130-150℃抗彎強度1070kg/cm2，抗張強度770 kg/cm2，介電常數(shù)（50赫23℃）4.0 功率因數(shù)（50赫23℃）0.005體積電阻大於2x1016Ω.cm </p> <p> 二氨基環(huán)已基甲烷 DACHM [（NH2）C6H4 ]2CH2 分子量206 活潑氫當(dāng)量51.5 熔點40℃ 每100份標(biāo)準(zhǔn)樹脂用30份固化60℃3小時+150℃2小時。 </p> <p> <br /> </p><p> 三乙烯四胺 TETA H2NC2H4NHC2H4NHC2H4NH2 分子量146 活潑氫當(dāng)量24.3 無色粘稠液體每100份標(biāo)準(zhǔn)樹脂用10-13份固化：20℃2小時+100℃30分鐘或20℃7天。性能：適用期50克25℃45分鐘，熱變形溫度98-124℃，抗彎強度950-1200kg/cm2，抗壓強度1100kg/cm2，抗拉強度780kg/cm2，伸長率4.4%，沖擊強度 0.4尺-磅/寸洛氏硬度99-106。常溫固化、毒性比二乙烯三胺稍低、放熱量大、適用期短。 </p> <p> 四乙烯五胺 TEPA H2NC2H4（NHC2H4）3NH2 分子量189 活潑氫當(dāng)量27 棕色液體每100份標(biāo)準(zhǔn)樹脂用11-15份性能同上。 </p> <p> <br /> 然后常溫養(yǎng)護(hù) 24 小時后再投入使用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云浮制造固化劑特價,固化劑" src="https://tyunfile.71360.com/WaterMark/UploadFile/Jyquanlin/637286280025732422/7457225.png"></div><p> 間苯二胺與二氨基二苯基甲烷混合物60-75%MPDA與40-25%DDM混合熔融，在常溫下呈液態(tài)。 40：60的二氨基二苯基甲烷與間苯二胺混合物熔點為25℃，每100份標(biāo)準(zhǔn)樹脂用20份，在40℃經(jīng)5小時便使環(huán)氧樹脂固化。如加磷酸三苯酯和苯酚混合物則在20℃9小時即固化。熱變形溫度150℃ 抗彎強度1150kg/cm2，沖擊強度 17Kg-cm/cm2抗張強度560 kg/cm2，斷裂伸長4.8洛氏硬度105-110 介電常數(shù)（50赫23℃）4.5 功率因數(shù)（50赫23℃）0.006 </p> <p> 間苯二胺和二氨基二苯基甲烷及甲苯二胺混合物間苯二胺：二氨基二苯基甲烷：甲苯二胺=30-70：10-50：5-35的混合物是種穩(wěn)定的液體。例50份間苯二胺，30份二氨基二苯基甲烷，20份甲苯二胺（間位：對位=80：20）100℃混合得到的液體，穩(wěn)定期達(dá)9個月。每100份標(biāo)準(zhǔn)樹脂用18.5份固化80℃2小時+140℃2小時。沖擊強度115Kg-cm/cm2，洛氏硬度105。要有足夠的固化劑的加入量，以保證足夠的放熱峰溫度，從而達(dá)到較高的固化程度。云浮制造固化劑特價</p><p style="text-indent:25px">通常需要幾天或幾星期甚至更長的時間。云浮制造固化劑特價</p><p> 環(huán)氧樹脂是線型的熱塑性樹脂，本身不會硬化，且不具有任何使用性能，只有加入固化劑，使它由線型結(jié)構(gòu)交聯(lián)成網(wǎng)狀或體型結(jié)構(gòu)，形成不溶不熔物，才具有優(yōu)良的使用性能；并且固化產(chǎn)物的性能在很大程度上取決于固化劑，因此。固化劑是環(huán)氧樹脂結(jié)合劑中的一個重要組成部分。 </p> <p> 凡能和環(huán)氧樹脂的環(huán)氧基及羥基作用，使樹脂交聯(lián)的物質(zhì)，叫做固化劑，也叫硬化劑或交聯(lián)劑。 </p> <p> 根據(jù)硬化所需的溫度不同可分為加熱硬化劑和室溫硬化劑兩類。如果根據(jù)化學(xué)結(jié)構(gòu)類型的不同，可分為胺類硬化劑，酸酐類硬化劑，樹脂類硬化劑，咪唑類硬化劑及潛伏性硬化劑等。按硬化劑的物態(tài)不同可分為液體硬化劑和固體硬化劑兩類。云浮制造固化劑特價</p><p style="text-indent:25px">江陰泉林化學(xué)品有限公司成立于2019-03-01，是一家生產(chǎn)型的公司。公司業(yè)務(wù)分為[ "不飽和聚酯樹脂不飽和樹脂", "乙烯基樹脂，樹脂，膠衣", "玻璃纖維紗，玻璃纖維布", "固化劑促進(jìn)劑，環(huán)氧固化劑" ]等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供質(zhì)量的產(chǎn)品和服務(wù)。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造化工質(zhì)量品牌。公司自成立以來發(fā)展迅速，業(yè)務(wù)不斷發(fā)展壯大，年營業(yè)額度達(dá)到1000-2000萬元，未來我們將不斷進(jìn)行創(chuàng)新和改進(jìn)，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/744261.html</p></div></div></div></div></div><div id="oiugiph" class="page-right twoColRt"><div id="j3gfrya" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="iszrykh" 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配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="wld33xm" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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