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id="crols7o" class="twoCol"><div id="jnf7meu" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<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(guò)氧化物</a>?<a href="http://www.cdcfah.com/cp/third-gyhwzx_qtgyhw/">其他過(guò)氧化物</a>?陽(yáng)江定制固化劑批發(fā) 歡迎咨詢(xún) 江陰泉林化學(xué)品供應(yīng)</p><div id="dxe242h" class="leftbox clearfix"><h1>陽(yáng)江定制固化劑批發(fā) 歡迎咨詢(xún) 江陰泉林化學(xué)品供應(yīng)</h1><div id="hgnpw7t" class="proBig"><div id="3ncjb9l" 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="dc38hce" 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="eobtqp2" 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>陽(yáng)江定制固化劑批發(fā),固化劑</p><p><span>***更新：</span>2020-07-18 16:23:13</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="i2bueo3" 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="tmj89ih" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="qfxzrt2" class="box"><p><p> 一般促進(jìn)劑與固化劑（過(guò)氧化物）的摩爾比必須小于 1，（這種情況只有在選擇鈷鹽作為促進(jìn)劑的情況下才能計(jì)算出），否則促進(jìn)劑與初級(jí)游離基的逆反速度會(huì)大于初級(jí)游離基引發(fā)單體的速度，結(jié)果使轉(zhuǎn)化率下降。因此過(guò)多地使用促進(jìn)劑并不能達(dá)到加速固化的效果，陽(yáng)江定制固化劑批發(fā)，反而會(huì)使產(chǎn)品性能下降。 </p> <p> 對(duì)于低反應(yīng)活性的不飽和聚酯樹(shù)脂的固化宜選用低活性的固化系統(tǒng)，陽(yáng)江定制固化劑批發(fā)。 </p> <p> 低溫或高濕度的不利的固化條件下，陽(yáng)江定制固化劑批發(fā)，可采用復(fù)合固化系統(tǒng)： </p> <p> 過(guò)氧化甲乙酮 1% </p> <p> N，N-二甲基苯胺 0.5% </p> <p> 過(guò)氧化苯甲酰 2% 樹(shù)脂的固化度越高其彎曲強(qiáng)度及模量越大。陽(yáng)江定制固化劑批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陽(yáng)江定制固化劑批發(fā),固化劑" src="https://tyunfile.71360.com/WaterMark/UploadFile/Jyquanlin/637286279900429688/2943002.png"></div><p> 已二胺加合物 CH-2、L2505 分子式不詳胺值160-210 低粘度透明液體每100份標(biāo)準(zhǔn)樹(shù)脂用65份 </p> <p> CH3 胺值400-500 低粘度透明液體每100份標(biāo)準(zhǔn)樹(shù)脂用60份 </p> <p> 已二胺 HDA H2N（CH2）6NH2 分子量116 活潑氫當(dāng)量29 無(wú)**狀結(jié)晶熔點(diǎn)42℃ 每100份標(biāo)準(zhǔn)樹(shù)脂用12-15份毒性大，能常溫固化但不好。適用期較短。 </p> <p> 三甲基已二胺分子量158 每100份標(biāo)準(zhǔn)樹(shù)脂用20-25份固化：20℃2小時(shí)+100℃30分鐘或20℃7天。性能：適用期50克25℃45分鐘，熱變形溫度105℃，抗彎強(qiáng)度1150kg/cm2，抗拉強(qiáng)度650kg/cm2，伸長(zhǎng)率4.4%，沖擊強(qiáng)度0.4尺-磅/寸。介電常數(shù)（50赫、23℃）4.0 功率因數(shù)（50赫、23℃）0.001 體積電阻9x1015 Ω-cm </p> <p> <br /> 來(lái)賓質(zhì)量好固化劑經(jīng)銷(xiāo)批發(fā)對(duì)于低反應(yīng)活性的不飽和聚酯樹(shù)脂的固化宜選用低活性的固化系統(tǒng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陽(yáng)江定制固化劑批發(fā),固化劑" src="https://tyunfile.71360.com/WaterMark/UploadFile/Jyquanlin/637281088517138672/3325203.png"></div><p> 三乙烯四胺 TETA H2NC2H4NHC2H4NHC2H4NH2 分子量146 活潑氫當(dāng)量24.3 無(wú)色粘稠液體每100份標(biāo)準(zhǔn)樹(shù)脂用10-13份固化：20℃2小時(shí)+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(qiáng)度950-1200kg/cm2，抗壓強(qiáng)度1100kg/cm2，抗拉強(qiáng)度780kg/cm2，伸長(zhǎng)率4.4%，沖擊強(qiáng)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(shù)脂用11-15份性能同上。 </p> <p> <br /> </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> 顯然，在這樣高的溫度下使樹(shù)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(guò)氧化物。一些有機(jī)過(guò)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(guò)氧化物對(duì)樹(shù)脂的固化很有利用價(jià)值。我們可以利用有機(jī)過(guò)氧化物的這一特性，選擇其中的一些作為樹(shù)脂的引發(fā)劑，或稱(chēng)固化劑。如果參與固化的 UPR量太大，有可能造成放熱失控，體系會(huì)因放熱、收縮而開(kāi)裂，甚至分解冒黑，直至著火。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陽(yáng)江定制固化劑批發(fā),固化劑" src="https://tyunfile.71360.com/WaterMark/UploadFile/Jyquanlin/637286280165664063/547126.png"></div><p> 樹(shù)脂的固化度對(duì)制品性能的影響 </p> <p> 經(jīng)過(guò)理論和實(shí)踐測(cè)試表明： </p> <p> ①、樹(shù)脂的固化度越高其彎曲強(qiáng)度及模量越大； </p> <p> ②、樹(shù)脂的固化度越高其制品的耐腐蝕性越好； </p> <p> ③、樹(shù)脂的固化度越高制品耐熱性能越好； </p> <p> ④、拉伸強(qiáng)度和斷裂延伸率的比較大值出現(xiàn)在樹(shù)脂固化度為 90%左右。 </p> <p> UPR 的固化是一個(gè)復(fù)雜的化學(xué)過(guò)程，受很多因素的影響，因此，無(wú)論是 UPR 生產(chǎn)廠(chǎng)家，還是應(yīng)用廠(chǎng)家都應(yīng)掌握一些 UPR 基本的固化常識(shí)，才能在安全生產(chǎn)、提高生產(chǎn)效率的基礎(chǔ)上，針對(duì)自身產(chǎn)品的特點(diǎn)，有效地解決實(shí)際生產(chǎn)中出現(xiàn)的各種問(wèn)題。相信隨著應(yīng)用廠(chǎng)家對(duì)樹(shù)脂的固化常識(shí)的不斷深入了解，他們生產(chǎn)的產(chǎn)品質(zhì)量將會(huì)有質(zhì)的飛躍。 </p> <p> <br /> </p> <p> <br /> </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。東莞E08固化劑廠(chǎng)商</p><p style="text-indent:25px">硬化階段（B 階段）：從樹(shù)脂凝膠以后算起，直到變成具有足夠硬度，達(dá)到基本不粘手狀態(tài)的階段。陽(yáng)江定制固化劑批發(fā)</p><p> 活性氧含量：活性氧含量簡(jiǎn)單來(lái)說(shuō)就是過(guò)氧化物中氧和過(guò)氧化物分子總量的百分比。 </p> <p> 從這個(gè)概念本身來(lái)說(shuō)，一個(gè)具有較低的分子量的過(guò)氧化物的活性氧含量可能相對(duì)較高。但這并不意味著活性氧含量高的過(guò)氧化物比活性氧含量低的過(guò)氧化物具有更多或更快的活性。（因?yàn)槲覀兒芏鄳?yīng)用廠(chǎng)家是用活性氧含量作為考核固化劑的一個(gè)指標(biāo)）事實(shí)上，活性氧含量**是作為一個(gè)恒量任何一個(gè)特定的過(guò)氧化物的濃度和純度的一個(gè)尺度。人們發(fā)現(xiàn)許多具有較高的活性氧含量的過(guò)氧化物并不適合用于固化樹(shù)脂，因?yàn)樗鼈冊(cè)跇?biāo)準(zhǔn)的固化溫度下會(huì)很快地分解或“耗盡”，也就是它分解游離基的速度過(guò)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(shí)，它們會(huì)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(guò)氧化氫）。 </p> <p> <br /> </p> <p> <br /> 陽(yáng)江定制固化劑批發(fā)</p><p style="text-indent:25px">江陰泉林化學(xué)品有限公司坐落在常澄路1號(hào)16樓1617-1620，是一家專(zhuān)業(yè)的不飽和樹(shù)脂，乙烯基樹(shù)脂，環(huán)氧樹(shù)脂，玻纖纖維紗，玻纖纖維布，促進(jìn)劑，固化劑，脫模劑，脫模蠟，玻璃纖維氈，環(huán)氧固化劑，環(huán)氧樹(shù)脂色漿，樹(shù)脂色漿，樹(shù)脂膠衣，高溫固化劑，粒子引發(fā)劑，DTBP，以及樹(shù)脂配套類(lèi)產(chǎn)品。公司。公司目前擁有高技術(shù)人才5~10人人，以不斷增強(qiáng)企業(yè)核心競(jìng)爭(zhēng)力，加快企業(yè)技術(shù)創(chuàng)新，實(shí)現(xiàn)穩(wěn)健生產(chǎn)經(jīng)營(yíng)。誠(chéng)實(shí)、守信是對(duì)企業(yè)的經(jīng)營(yíng)要求，也是我們做人的基本準(zhǔn)則。公司致力于打造***的[ "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" ]。目前公司已經(jīng)成為[ "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" ]的**企業(yè)，正積蓄著更大的能量，向更廣闊的空間、更***的領(lǐng)域拓展。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/641084.html</p></div></div></div></div></div><div id="cby2hej" class="page-right twoColRt"><div id="gqdacj8" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3x3pgdx" class="recomPic 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