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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>桂林M50固化劑廠(chǎng)商,固化劑</p><p><span>***更新：</span>2020-09-07 09:21:52</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="cgxj8zg" 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(huà): </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(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="c8aah2r" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="povxj7q" class="box"><p><p> 二氨基環(huán)已烷 DAHM （NH2）2 C6H4 分子量112 無(wú)色液體活潑氫當(dāng)量28 每100份標(biāo)準(zhǔn)樹(shù)脂用14-16份固化常溫7天、70℃、2小時(shí)。 </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(wú)色液體每100份標(biāo)準(zhǔn)樹(shù)脂用33份固化80℃2小時(shí)+150℃2小時(shí)熱變形溫度130-150℃抗彎強(qiáng)度1070kg/cm2，抗張強(qiáng)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，桂林M50固化劑廠(chǎng)商.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，桂林M50固化劑廠(chǎng)商.5 熔點(diǎn)40℃ 每100份標(biāo)準(zhǔn)樹(shù)脂用30份固化60℃3小時(shí)+150℃2小時(shí)，桂林M50固化劑廠(chǎng)商。 </p> <p> <br /> 一定量的 UPR 混合物固化時(shí)所放出的熱量是固定的，它取決于其組分的化學(xué)成份。桂林M50固化劑廠(chǎng)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="桂林M50固化劑廠(chǎng)商,固化劑" src="https://tyunfile.71360.com/WaterMark/UploadFile/Jyquanlin/637286279982451172/4578712.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(shù)脂用20份，在40℃經(jīng)5小時(shí)便使環(huán)氧樹(shù)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(shù)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。桂林M50固化劑廠(chǎng)商通常需要幾天或幾星期甚至更長(zhǎng)的時(shí)間。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="桂林M50固化劑廠(chǎng)商,固化劑" src="https://tyunfile.71360.com/WaterMark/UploadFile/Jyquanlin/637281088517138672/3325203.png"></div><p style="text-indent:25px">一直以來(lái)，劣質(zhì)過(guò)氧化甲乙酮固化劑都是樹(shù)脂產(chǎn)業(yè)鏈中的害群之馬，不僅安全問(wèn)題頻出，而且給樹(shù)脂應(yīng)用質(zhì)量造成了極大的危害，超過(guò)50%以上的樹(shù)脂質(zhì)量問(wèn)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(shù)脂工廠(chǎng)利益方面具有極其重要的意義。凡用戶(hù)使用了不符合標(biāo)準(zhǔn)的固化劑造成的質(zhì)量缺點(diǎn)，樹(shù)脂工廠(chǎng)將不再承擔(dān)任何賠償責(zé)任。用過(guò)的樹(shù)脂包裝桶作為危廢應(yīng)該如何處理？已經(jīng)成為玻璃鋼廠(chǎng)與樹(shù)脂工廠(chǎng)共同頭疼的問(wèn)題。樹(shù)脂工廠(chǎng)采用集裝箱運(yùn)送樹(shù)脂產(chǎn)品已經(jīng)是大勢(shì)所趨，但是在目前階段，下游工廠(chǎng)尚不具備使用樹(shù)脂儲(chǔ)罐來(lái)接受槽罐車(chē)運(yùn)送樹(shù)脂的條件。</p><p> 固化劑、促進(jìn)劑加入量對(duì)樹(shù)脂固化的影響 </p> <p> 為了提高施工進(jìn)度，以及其后制品性能的穩(wěn)定性，我們總是希望我們總是希望樹(shù)脂能盡快固化完全。對(duì)于一定反應(yīng)活性的樹(shù)脂來(lái)說(shuō)，固化劑、促進(jìn)劑的加入量對(duì)樹(shù)脂的的固化速度及其后的固化程度有很大的影響。 </p> <p> 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。（固化劑的量過(guò)少有可能造成長(zhǎng)久的欠固化）。 </p> <p> 環(huán)境溫度較高條件下可適當(dāng)減少促進(jìn)劑的加入量，以得到足夠長(zhǎng)的凝膠時(shí)間和較完全的固化程度。。 </p> <p> <br /> 這一階段大約需要幾十分鐘至幾小時(shí)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="桂林M50固化劑廠(chǎng)商,固化劑" src="https://tyunfile.71360.com/WaterMark/UploadFile/Jyquanlin/637286280245830078/9671124.png"></div><p style="text-indent:25px">玻璃鋼廢料的處理與回收一直是壓在復(fù)合材料產(chǎn)業(yè)鏈上的一座大山，這個(gè)問(wèn)題解決不好，將會(huì)導(dǎo)致熱固性復(fù)合材料的應(yīng)用受到極大的限制。盡管?chē)?guó)外在這方面已有成熟的經(jīng)驗(yàn)，但是在中國(guó)目前的經(jīng)濟(jì)結(jié)構(gòu)下，如何實(shí)現(xiàn)玻璃鋼廢料的可回收再利用，仍然需要業(yè)內(nèi)企業(yè)做出努力與探索。助劑號(hào)稱(chēng)是化學(xué)工業(yè)的味精。助劑雖小，但是往往能起到四兩撥千斤的作用，小助劑解決大問(wèn)題。20多年以來(lái)，助劑在復(fù)合材料產(chǎn)業(yè)鏈中的應(yīng)用已經(jīng)越來(lái)越廣，人們對(duì)助劑的重視程度也越來(lái)越深入。隨著碳纖維市場(chǎng)的快速增長(zhǎng)，人們一直在思考一個(gè)問(wèn)題，通過(guò)什么技術(shù)手段能夠把不飽和樹(shù)脂引入碳纖維復(fù)合材料的應(yīng)用領(lǐng)域？一般要求施工溫度不低于 15℃，相對(duì)濕度不大于 80%。桂林M50固化劑廠(chǎng)商</p><p style="text-indent:25px">該階段中，樹(shù)脂與某些溶劑（如乙醇、 **等）接觸時(shí)能溶脹但不能溶解，加熱時(shí)可以軟化但不能完全熔化。桂林M50固化劑廠(chǎng)商</p><p> 不飽和聚酯樹(shù)脂（UPR）的固化似乎是從理論和實(shí)踐上已研究得十分透徹的問(wèn)題，但是因?yàn)橛绊懝袒磻?yīng)的因素相當(dāng)復(fù)雜，而在UPR的各種應(yīng)用領(lǐng)域中，制品所出現(xiàn)的質(zhì)量瑕疵在很大程度上幾乎都與“固化”有關(guān)。所以，我們有對(duì) UPR 的固化進(jìn)行較深入探討的必要。（探討不飽和聚酯樹(shù)脂的固化，首先應(yīng)該了解與不飽和聚酯樹(shù)脂固化有關(guān)的一些概念和定義） </p> <p> 與不飽和聚酯樹(shù)脂固化有關(guān)的概念和定義 </p> <p> 1 固化的定義 </p> <p> 液態(tài) UPR 在光、熱或引發(fā)劑的作用下可以通過(guò)線(xiàn)型聚酯鏈中的不飽和雙鍵與交聯(lián)單體的雙鍵的結(jié)合，形成三向交聯(lián)的不溶不熔的體型結(jié)構(gòu)。這個(gè)過(guò)程稱(chēng)為 UPR 的固化。 </p> <p> 2固化劑 </p> <p> 不飽和聚酯樹(shù)脂的固化是游離基引發(fā)的共聚合反應(yīng)，如何能使反應(yīng)啟動(dòng)是問(wèn)題的關(guān)鍵。單體一旦被引發(fā)，產(chǎn)生游離基，分子鏈即可以迅速增長(zhǎng)而形成三向交聯(lián)的大分子。 </p> <p> 不飽和聚酯樹(shù)脂固化的啟動(dòng)是首先使不飽和 C—C 雙鍵斷裂，由于化學(xué)鍵發(fā)生斷裂所需的能量不同，對(duì)于 C—C 鍵，其鍵能 E=350kJ/mol，需 350-550℃的溫度才能將其激發(fā)裂解。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 桂林M50固化劑廠(chǎng)商</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。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下不飽和聚酯樹(shù)脂不飽和樹(shù)脂，乙烯基樹(shù)脂，樹(shù)脂，膠衣，玻璃纖維紗，玻璃纖維布，固化劑促進(jìn)劑，環(huán)氧固化劑深受客戶(hù)的喜愛(ài)。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于化工行業(yè)的發(fā)展。江陰泉林立足于全國(guó)市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶(hù)的變化需求。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1190539.html</p></div></div></div></div></div><div id="878mdu7" class="page-right twoColRt"><div id="hlseard" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="4mqmdur" 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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