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href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://www.cdcfah.com/zh/"><span>展會(huì)信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="ks77jft" class="twoCol"><div id="bk94l2g" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_huagong/">化工</a>?<a href="http://www.cdcfah.com/cp/second-huagong_gyhwzx/">過氧化物</a>?<a href="http://www.cdcfah.com/cp/third-gyhwzx_qtgyhw/">其他過氧化物</a>?湛江環(huán)氧樹脂固化劑特價(jià) 歡迎咨詢江陰泉林化學(xué)品供應(yīng)</p><div id="wpyzqhq" class="leftbox clearfix"><h1>湛江環(huán)氧樹脂固化劑特價(jià) 歡迎咨詢江陰泉林化學(xué)品供應(yīng)</h1><div id="js4mnub" class="proBig"><div id="h7kyeqh" 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="kyhdn8e" 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="v83jpyj" 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>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>湛江環(huán)氧樹脂固化劑特價(jià),固化劑</p><p><span>***更新：</span>2020-07-15 18:32:00</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="ra4d8yc" 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(jī): </span>0510-86658688</p><p><span>地址: </span>常澄路1號(hào)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="kncypgm" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="wfe3bes" 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(gè)困擾生產(chǎn)廠家的問題。通常不飽和樹脂的黃變?cè)虬ㄒ韵聨追N： </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，湛江環(huán)氧樹脂固化劑特價(jià)，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(shí)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，而且含有雙鍵和芳香環(huán)，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，湛江環(huán)氧樹脂固化劑特價(jià)、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(duì)苯二酚，在微量氧存在時(shí)氧化為醌類，醌類本身帶有顏色，從而影響樹脂的顏色，湛江環(huán)氧樹脂固化劑特價(jià)，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 /> 拉伸強(qiáng)度和斷裂延伸率的比較大值出現(xiàn)在樹脂固化度為 90%左右。湛江環(huán)氧樹脂固化劑特價(jià)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湛江環(huán)氧樹脂固化劑特價(jià),固化劑" src="https://tyunfile.71360.com/WaterMark/UploadFile/Jyquanlin/637286279900429688/2943002.png"></div><p style="text-indent:25px">一直以來，劣質(zhì)過氧化甲乙酮固化劑都是樹脂產(chǎn)業(yè)鏈中的害群之馬，不僅安全問題頻出，而且給樹脂應(yīng)用質(zhì)量造成了極大的危害，超過50%以上的樹脂質(zhì)量問題都是劣質(zhì)固化劑造成的結(jié)果。因此，行業(yè)急需有一個(gè)規(guī)范性的標(biāo)準(zhǔn)供所有相關(guān)企業(yè)作為評(píng)判依據(jù)，尤其是在保護(hù)樹脂工廠利益方面具有極其重要的意義。凡用戶使用了不符合標(biāo)準(zhǔn)的固化劑造成的質(zhì)量缺點(diǎn)，樹脂工廠將不再承擔(dān)任何賠償責(zé)任。用過的樹脂包裝桶作為危廢應(yīng)該如何處理？已經(jīng)成為玻璃鋼廠與樹脂工廠共同頭疼的問題。樹脂工廠采用集裝箱運(yùn)送樹脂產(chǎn)品已經(jīng)是大勢(shì)所趨，但是在目前階段，下游工廠尚不具備使用樹脂儲(chǔ)罐來接受槽罐車運(yùn)送樹脂的條件。韶關(guān)制造固化劑經(jīng)銷批發(fā)80℃下 4 小時(shí)進(jìn)行處理，（如果有條件可于 100-120℃處理 2 小時(shí)效果更佳）。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湛江環(huán)氧樹脂固化劑特價(jià),固化劑" src="https://tyunfile.71360.com/WaterMark/UploadFile/Jyquanlin/637281088415224610/3058979.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(diǎn)為25℃，每100份標(biāo)準(zhǔn)樹脂用20份，在40℃經(jīng)5小時(shí)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(shí)即固化。熱變形溫度150℃ 抗彎強(qiáng)度1150kg/cm2，沖擊強(qiáng)度 17Kg-cm/cm2抗張強(qiáng)度560 kg/cm2，斷裂伸長(zhǎng)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(duì)位=80：20）100℃混合得到的液體，穩(wěn)定期達(dá)9個(gè)月。每100份標(biāo)準(zhǔn)樹脂用18.5份固化80℃2小時(shí)+140℃2小時(shí)。沖擊強(qiáng)度115Kg-cm/cm2，洛氏硬度105。 </p><p> 三甲基六亞甲基二胺 TMD （ H2N）2（C6H9）（CH3）3無色液體冷固化，適用期長(zhǎng)，毒性小。每100份標(biāo)準(zhǔn)樹脂用21份固化：80℃1小時(shí)+150℃2小時(shí)。性能：適用期400克25℃50分鐘或50℃10分鐘，馬丁耐熱92℃，抗彎強(qiáng)度1150kg/cm2，沖擊強(qiáng)度 20Kg-cm/cm2tg δ 0.0009(23℃，100C/S）表面電阻5.4x1011Ω（300V）體積電阻9x1015Ω.cm（300V）中溫固化、低溫性能好。 </p> <p> 二已基三胺 H2N（CH2）6 NH（CH2）6NH2 </p> <p> 已二胺改性物 AMINE248 分子式不詳透明液體粘度25℃1000-3000cps 每100份標(biāo)準(zhǔn)樹脂用4-8份常溫-100℃固化。毒性較小、柔性好。 </p> <p> <br /> 在同樣成分下，大制件相對(duì)小制件熱損失少，溫升就較高。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湛江環(huán)氧樹脂固化劑特價(jià),固化劑" src="https://tyunfile.71360.com/WaterMark/UploadFile/Jyquanlin/637286280025732422/7457225.png"></div><p> 間苯二胺 m-PDA MPD （NH2）2C6H4 分子量107 活潑氫當(dāng)量26.7白色結(jié)晶（黑色固體？）熔點(diǎn)62℃每100份標(biāo)準(zhǔn)樹脂用14-16份固化60℃2小時(shí) +150℃2小時(shí) 適用期500克50℃2.5小時(shí) 熱變形溫度150℃ 抗彎強(qiáng)度1050kg/cm2，抗壓強(qiáng)度710kg/cm2，抗拉強(qiáng)度540kg/cm2，伸長(zhǎng)率3.0%，沖擊強(qiáng)度 0.2-0.3尺-磅/寸洛氏硬度108。介電常數(shù)（50赫23℃）3.3 功率因數(shù)（50赫23℃）0.007 耐熱、耐腐蝕性優(yōu)，電性能好,毒性小。因是固體，使用不方便，與樹脂加熱混合時(shí)需注意防止凝膠。 </p> <p> 間苯二甲胺 MXDA （NH2CH2）C6H4 分子量135 活潑氫當(dāng)量33.2 無色液體每100份標(biāo)準(zhǔn)樹脂用16-18份固化常溫24小時(shí)+70℃ 1小時(shí)或常溫4天。適用期100克25℃50分鐘熱變形溫度130-150℃抗彎強(qiáng)度1200kg/cm2，抗壓強(qiáng)度1030kg/cm2，抗拉強(qiáng)度720kg/cm2，伸長(zhǎng)率6.7%，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 可常溫固化耐熱、耐腐蝕性優(yōu)，電性能好,毒性小。固化溫度低、粘度低、毒性小，適用期長(zhǎng)、耐溶劑性好。它易吸收空氣中的二氧化碳是造成制品氣泡的原因。 UPR 的固化過程是 UPR 分子鏈中的不飽和雙鍵與交聯(lián)單體（通常為苯乙烯）的雙鍵發(fā)生交聯(lián)聚合反應(yīng)。梧州膠衣固化劑</p><p style="text-indent:25px">樹脂的固化度越高其彎曲強(qiáng)度及模量越大。湛江環(huán)氧樹脂固化劑特價(jià)</p><p> 因此施工時(shí)要注意以下幾點(diǎn)： </p> <p> ①樹脂制品體積越大，應(yīng)適當(dāng)減少固化劑、促進(jìn)劑的加入量。 </p> <p> ②制品體積小，要適當(dāng)增加固化劑、促進(jìn)劑的加入量。 </p> <p> ③對(duì)于大面積噴涂成型，可能因?yàn)榻宦?lián)劑的揮發(fā)而導(dǎo)致交聯(lián)劑不足，也要適當(dāng)增加促進(jìn)劑、固化劑的量，以縮短凝膠時(shí)間。 </p> <p> 填料等其它添加劑對(duì)樹脂固化程度的影響 </p> <p> 如果樹脂中加入其它物質(zhì)如：橡膠、硫、銅與銅鹽、苯酚、酚醛樹脂、粉塵及碳黑等，即使是少量的，也可以降低聚合反應(yīng)，有時(shí)甚至?xí)箻渲耆还袒?</p> <p> <br /> 湛江環(huán)氧樹脂固化劑特價(jià)</p><p style="text-indent:25px">江陰泉林化學(xué)品有限公司成立于2019-03-01，注冊(cè)資本：200-300萬元。該公司生產(chǎn)型的公司。公司是一家有限責(zé)任公司企業(yè)，以誠(chéng)信務(wù)實(shí)的創(chuàng)業(yè)精神、質(zhì)量高效的管理團(tuán)隊(duì)、精悍的職工隊(duì)伍，努力為廣大用戶提供***的產(chǎn)品。公司業(yè)務(wù)涵蓋[ "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" ]，價(jià)格合理，品質(zhì)有保證，深受廣大客戶的歡迎。江陰泉林自成立以來，一直堅(jiān)持走正規(guī)化、專業(yè)化路線，得到了廣大客戶及社會(huì)各界的普遍認(rèn)可與大力支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/606894.html</p></div></div></div></div></div><div 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