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id="g3ptu73" class="leftbox clearfix"><h1>浙江YM-308發(fā)泡填充劑客戶至上上海雨木化工供應(yīng)</h1><div id="nokhjl9" class="proBig"><div id="p334qcr" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shymhg/637390599423162474/9838471.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="2coqced" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shymhg/637390599423162474/9838471.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="frd88nm" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>浙江YM-308發(fā)泡填充劑,發(fā)泡劑</p><p><span>***更新：</span>2020-11-04 16:50:18</p><p><span id="click" >瀏覽次數(shù)：9次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="shtqc3j" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海雨木化工有限公司</a></p><p><span>聯(lián)系人：</span>王保民</p><p><span>郵箱: </span>gggwkn@163.com</p><p><span>電話: </span>15800615685</p><p><span>傳真: </span>021_54852976</p><p><span>網(wǎng)址: </span>http://www.yumuhuagong.com</p><p><span>手機(jī): </span>021-57280030</p><p><span>地址: </span>龍皓路1018號1120</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="l29qcjs" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="tnu37t7" class="box"><p><p style="text-indent:25px">另外一類常用的物理發(fā)泡劑，即烴類，相對來說對臭氧層沒有什么影響。然而它們的使用也不是沒有法規(guī)限制的。烴類的釋放也和其它揮發(fā)性有機(jī)化合物（VOCS）一樣，要受到法律的限制，因?yàn)樗鼈兊尼尫盼飼：Φ蛯哟髿鈱樱貏e是生成了臭氧，浙江YM-308發(fā)泡填充劑。法規(guī)的嚴(yán)厲性在各地區(qū)是有區(qū)別的，這要根據(jù)當(dāng)?shù)乜諝赓|(zhì)量而定。此外還應(yīng)考慮到烴的易燃性。在作任何采用烴類為發(fā)泡劑的工廠設(shè)計(jì)時，這一點(diǎn)應(yīng)為重要考慮因素，浙江YM-308發(fā)泡填充劑。較普遍用作發(fā)泡劑的烴類是丁烷和正戊烷，浙江YM-308發(fā)泡填充劑。發(fā)泡過程的后三個階段，從時間來看，則可短至幾分之一秒，較長也不會超過幾秒鐘。浙江YM-308發(fā)泡填充劑</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江YM-308發(fā)泡填充劑,發(fā)泡劑" src="https://tyunfile.71360.com/UploadFile/shymhg/637390599423162474/9838471.png"></div><p style="text-indent:25px">發(fā)泡劑是用以使橡膠、塑料等分子材料發(fā)孔的一類物質(zhì)。它主要用于制備海綿制品，泡沫塑料和空心制品。原則上，凡不與高等分子材料發(fā)生化學(xué)反應(yīng)，并能在特定條件下產(chǎn)生無害氣體的物質(zhì)，都能用作發(fā)泡劑或發(fā)泡助劑。對發(fā)泡劑來說，總的要求是無毒或低毒，分解溫度適宜，易于在高的分子材料中分散及發(fā)孔率高等。發(fā)泡助劑的作用是降低發(fā)泡劑的分解溫度，幫助發(fā)泡劑分散，或提高發(fā)氣量。按化學(xué)組分，發(fā)泡劑和發(fā)泡助劑有無機(jī)和有機(jī)兩大類；按發(fā)泡劑所產(chǎn)生的氣體分，有氫氣和二氧化碳兩大類。目前，橡膠工業(yè)普遍采用的是有機(jī)類發(fā)泡制。四川高效發(fā)泡填充劑目前較常用的物理發(fā)泡劑是氯氟烴類、烴類和壓縮氣體（如氮?dú)夂虲O2）。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江YM-308發(fā)泡填充劑,發(fā)泡劑" src="https://tyunfile.71360.com/UploadFile/shymhg/637395051710498790/5409734.png"></div><p style="text-indent:25px">目前世界各國針對無氟發(fā)泡的相關(guān)應(yīng)對方案也有很大的區(qū)別，通常是由于每個國家基礎(chǔ)研究水平和工業(yè)發(fā)展水平差距較大，又對聚氨酯泡沫產(chǎn)品特定性能的要求也有所不同，故對CFC替代技術(shù)的研究、應(yīng)用側(cè)重點(diǎn)也不一致導(dǎo)致的。在聚氨酯工業(yè)發(fā)展的近百年中，一直采用一氟三氯甲烷（CFC-11）和二氟二氯甲烷（CFC-12）、三氯三氟乙烷CFC-113等作為發(fā)泡劑使用。CFC-11是低沸點(diǎn)化合物，室溫下為液體，低毒性，不易燃，與聚醚（酯）多元醇組分互融性優(yōu)良，沸點(diǎn)低（23.8℃）且適度。當(dāng)異氰酸酯和聚酯多元醇或聚醚多元醇反應(yīng)產(chǎn)生熱能時，即可使其汽化，產(chǎn)生大量氣泡，蒸汽熱導(dǎo)率低，是一種十分優(yōu)良的物理發(fā)泡劑。然而，近年來發(fā)現(xiàn)，該類化合物是破壞地球臭氧層的主要物質(zhì)，已經(jīng)被列入禁用化學(xué)品。因此，對于聚氨酯工業(yè)來說，尋找取代氯氟烴（CFC）類發(fā)泡劑的新品種是當(dāng)前聚氨酯工業(yè)發(fā)展的首要任務(wù)之一。</p><p style="text-indent:25px">化學(xué)發(fā)泡劑又稱分解性發(fā)泡劑。它們能均勻地分散于樹脂中，受熱分解，可產(chǎn)生至少一種氣體?？煞譃闊o機(jī)發(fā)泡劑和有機(jī)發(fā)泡劑兩類。有機(jī)發(fā)泡劑是塑料中使用的主要發(fā)泡劑，主要是偶氮類、亞硝基類和磺酰肼類。另外還有一些發(fā)泡劑組成物，其發(fā)泡氣體是通過兩個組分間的吸熱反應(yīng)而釋放出來的。盡管發(fā)泡劑具有固有的優(yōu)點(diǎn)，但使用起來并不是沒有問題的。大部分這類發(fā)泡劑都會污染自然環(huán)境，而且正在繼續(xù)嚴(yán)重化。特別是氯氟烴類。而烴類也有這一問題，*是程度稍輕。發(fā)泡劑均具有較高的表面活性，能有效降低液體的表面張力。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江YM-308發(fā)泡填充劑,發(fā)泡劑" src="https://tyunfile.71360.com/UploadFile/shymhg/637395051364375758/1003755.png"></div><p style="text-indent:25px">由于液體蒸發(fā)是一個吸熱過程，因而用揮發(fā)性物理發(fā)泡劑時體系溫度容易控制，可防止聚合物的熱降解，避免中心燒焦，有利于制得較厚的發(fā)泡體．常用的揮發(fā)性發(fā)泡劑品種有：含5～7個碳的脂肪烴；鹵代烴；低沸點(diǎn)的醇，醚、酮和芳烴。在物理發(fā)泡劑中，氯氟烴(CFC)由于對臭氧層的破壞而受到限制。目前，用以部分替代CFC的物理發(fā)泡劑主要是二氯甲烷、甲基氯仿等．雖然它們的應(yīng)用可以減小CFC的用量，但仍不能徹底根除CFC對臭氧層的破壞，況且甲基氯仿對臭氧層也有一定的破壞作用，而極易燃燒，使用不安全，因此，對于實(shí)現(xiàn)完全不用CFC等對臭氧層破壞的物質(zhì)的較終目標(biāo)來說，任重而道遠(yuǎn)．通常應(yīng)用物理發(fā)泡劑的工程塑料主要有ABS和酚醛樹脂等。YM-305A是一種新一代發(fā)泡**碳?xì)浔砻婊钚詣m用于耐鹽發(fā)泡，發(fā)泡效果明顯優(yōu)于APG烷基糖苷。浙江高壓發(fā)泡填充劑</p><p style="text-indent:25px">常用的物理發(fā)泡劑有低沸點(diǎn)的烷烴和氟碳化合物。浙江YM-308發(fā)泡填充劑</p><p style="text-indent:25px">根據(jù)所需要的性質(zhì)和具體應(yīng)用場合不同，有時要求表面活性劑具有不同的親水親油結(jié)構(gòu)和相對密度。通過變換親水基或親油基種類、所占份額及在分子結(jié)構(gòu)中的位置，可以達(dá)到所需親水親油平衡的目的。經(jīng)過多年研究和生產(chǎn)，已派生出許多表面活性劑種類，每一種類又包含眾多品種，給識別和挑選某個具體品種帶來困難。因此，必須對成千上萬種表面活性劑作一科學(xué)分類，才有利于進(jìn)一步研究和生產(chǎn)新品種，并為篩選、應(yīng)用表面活性劑提供便利。人們一般都認(rèn)為按照它的化學(xué)結(jié)構(gòu)來分比較合適。即當(dāng)表面活性劑溶解于水后，根據(jù)是否生成離子及其電性，分為離子型表面活性劑和非離子型表面活性劑。浙江YM-308發(fā)泡填充劑</p><p style="text-indent:25px">上海雨木化工有限公司位于龍皓路1018號1120，是一家專業(yè)的本公司主營氟碳系列表面活性劑、各類油田助劑、消防助劑、涂料助劑、橡膠助劑、殺菌劑等。公司技術(shù)能力雄厚，能幫客戶解決各種配方問題。公司主營氟碳系列表面活性劑、各種油田助劑添加劑,各類橡膠助劑及各類水處理劑等。公司。上海雨木化工有限公司是上海雨木化工有限公司的主營品牌，是專業(yè)的本公司主營氟碳系列表面活性劑、各類油田助劑、消防助劑、涂料助劑、橡膠助劑、殺菌劑等。公司技術(shù)能力雄厚，能幫客戶解決各種配方問題。公司主營氟碳系列表面活性劑、各種油田助劑添加劑,各類橡膠助劑及各類水處理劑等。公司，擁有自己**的技術(shù)體系。公司堅(jiān)持以客戶為中心、本公司主營氟碳系列表面活性劑、各類油田助劑、消防助劑、涂料助劑、橡膠助劑、殺菌劑等。公司技術(shù)能力雄厚，能幫客戶解決各種配方問題。公司主營氟碳系列表面活性劑、各種油田助劑添加劑,各類橡膠助劑及各類水處理劑等。市場為導(dǎo)向，重信譽(yù)，保質(zhì)量，想客戶之所想，急用戶之所急，全力以赴滿足客戶的一切需要。誠實(shí)、守信是對企業(yè)的經(jīng)營要求，也是我們做人的基本準(zhǔn)則。公司致力于打造***的氟碳表面活性劑，油田助排劑，消防發(fā)泡劑，消防抗溶劑。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1847345.html</p></div></div></div></div></div><div id="vpwiubn" class="page-right twoColRt"><div id="8zg3rdp" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="fubdpwn" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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