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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>梧州定制固化劑批發(fā),固化劑</p><p><span>***更新：</span>2021-01-11 03:09:43</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="3f9rxlr" 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="p9jd59d" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="vjrhtxt" class="box"><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，毒性小。每100份標(biāo)準(zhǔn)樹脂用21份固化：80℃1小時+150℃2小時。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，梧州定制固化劑批發(fā).4x1011Ω（300V）體積電阻9x1015Ω.cm（300V）中溫固化，梧州定制固化劑批發(fā)，梧州定制固化劑批發(fā)、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 /> 鏈終止——兩個游離基結(jié)合，終止了增長著的聚合鏈。梧州定制固化劑批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="梧州定制固化劑批發(fā),固化劑" src="https://tyunfile.71360.com/WaterMark/UploadFile/Jyquanlin/637286280245830078/9671124.png"></div><p> 戊二酸酐 GA 白色粉末每100份標(biāo)準(zhǔn)樹脂用50-80份 </p> <p> 聚壬二酸酐 PAPA 白色粉末熔點(diǎn)57℃每100份標(biāo)準(zhǔn)樹脂用70-90份固化：170℃17小時。 </p> <p> 二氯代順丁烯二酸酐 DCMA 白色粉末每100份標(biāo)準(zhǔn)樹脂用38份 </p> <p> 六氯內(nèi)次甲基四氫鄰苯二甲酸酐HET HT912 CA 又名氯茵酸酐氯橋酸酐白色粉末熔點(diǎn)165℃ 每100份標(biāo)準(zhǔn)樹脂用100-180份固化：100℃1小時+200℃1-2小時適用期500克120℃30分鐘（加促進(jìn)劑）熱變形溫度145-190℃ 抗彎強(qiáng)度1150Kg/cm2 抗壓強(qiáng)度1390Kg/cm2 抗拉強(qiáng)度820Kg/cm2 伸長率2.6% 沖擊強(qiáng)度0.3-0.4ft-1b/in 洛氏硬度111 崇左**固化劑特價通常需要幾天或幾星期甚至更長的時間。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="梧州定制固化劑批發(fā),固化劑" src="https://tyunfile.71360.com/WaterMark/UploadFile/Jyquanlin/637286279982451172/4578712.png"></div><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*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、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，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 /> </p>顯然，在這樣高的溫度下使樹脂固化是不實(shí)用的。因此人們找到了能在較低的溫度下即可分解產(chǎn)生自由基的物質(zhì)，這就是有機(jī)過氧化物。一些有機(jī)過氧化物的 O—O 鍵可在較低的溫度下分解產(chǎn)生自由基。其中一些能在 50-150℃分解的過氧化物對樹脂的固化很有利用價值。我們可以利用有機(jī)過氧化物的這一特性，選擇其中的一些作為樹脂的引發(fā)劑，或稱固化劑。 <p> 這里所說的“催化劑”與傳統(tǒng)意義上的“催化劑”是不同的。在傳統(tǒng)的觀念上，“催化劑” 這個術(shù)語是為反應(yīng)物提供幫助的，它們在促進(jìn)反應(yīng)的同時，本身并沒有消耗。而在 UPR固化反應(yīng)中，過氧化物必須在它“催化”反應(yīng)以前，改變它本身的結(jié)構(gòu)，因此對于用于 UPR固化的過氧化物來說，一個較合適的名字應(yīng)該叫做“起始劑”或“引發(fā)劑”。 </p> <p> 說到過氧化物我們要有必要了解的兩個概念是活性氧含量和臨界溫度。其中“活性氧”或“活性氧含量”是一個與固化劑有密切關(guān)系并常常被誤會的概念。 </p> <p> <br /> </p> <p> <br /> 足夠的固化劑的加入量和適當(dāng)?shù)拇龠M(jìn)劑的加入量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="梧州定制固化劑批發(fā),固化劑" src="https://tyunfile.71360.com/WaterMark/UploadFile/Jyquanlin/637286279950800781/5664313.png"></div><p> 活性氧含量：活性氧含量簡單來說就是過氧化物中氧和過氧化物分子總量的百分比。 </p> <p> 從這個概念本身來說，一個具有較低的分子量的過氧化物的活性氧含量可能相對較高。但這并不意味著活性氧含量高的過氧化物比活性氧含量低的過氧化物具有更多或更快的活性。（因?yàn)槲覀兒芏鄳?yīng)用廠家是用活性氧含量作為考核固化劑的一個指標(biāo)）事實(shí)上，活性氧含量**是作為一個恒量任何一個特定的過氧化物的濃度和純度的一個尺度。人們發(fā)現(xiàn)許多具有較高的活性氧含量的過氧化物并不適合用于固化樹脂，因?yàn)樗鼈冊跇?biāo)準(zhǔn)的固化溫度下會很快地分解或“耗盡”，也就是它分解游離基的速度過快。由于游離基總是有一種彼此間相互結(jié)合的強(qiáng)烈傾向，當(dāng)游離基產(chǎn)生的速度比它們被不飽和雙鍵利用的速度快時，它們會重新組合或者終止聚合鏈，從而產(chǎn)生低分子量的聚合物而導(dǎo)致不完全固化的結(jié)果。（典型的例子就是過氧化氫）。 </p> <p> <br /> </p> <p> <br /> 但是放熱的速度及由此而引起的溫度上升速度和體系所能達(dá)到的比較高放熱峰溫度則取決UPR 混合物的形狀與尺寸。崇左**固化劑特價</p><p style="text-indent:25px">使其充分固化，再投入使用。梧州定制固化劑批發(fā)</p><p> 過氧化環(huán)己酮（是多種氫過氧化物的混合物） </p> <p> 其中以第（Ⅰ）種結(jié)構(gòu)為主。 </p> <p> 過氧化環(huán)己酮溶解在二丁酯中，成為 50%的糊狀物，稱為 1#固化劑。 <p> <p> 過氧化二苯甲酰（是一種過氧化物，簡稱 BPO） </p> <p> 過氧化二苯甲酰溶解在二丁酯中，成為 50%的糊狀物，稱為 2#固化劑 <p> 過氧化甲乙酮（簡稱 MEKP） </p> <p> 這是一種液態(tài)固化劑，一般配成有效成份為 50%的二甲酯溶液，就是市售的 5#固化劑。 </p> <p> 在有效成份中，同樣，不是單一化合物，而是由多種分子結(jié)構(gòu)的氫過氧化物的混合物： </p> </p> <p> <br /> </p> </p> <p> <br /> </p> </p> <p> <br /> </p> <p> <br /> 梧州定制固化劑批發(fā)</p><p style="text-indent:25px">江陰泉林化學(xué)品有限公司致力于化工，是一家生產(chǎn)型公司。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)，為客戶提供良好的產(chǎn)品和服務(wù)。公司秉持誠信為本的經(jīng)營理念，在化工深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢，打造化工良好品牌。江陰泉林憑借創(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/2792656.html</p></div></div></div></div></div><div id="rhftztb" class="page-right twoColRt"><div id="flj59x7" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="7jp59nt" 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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