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<script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u id="qgqbi"></u><noframes id="qgqbi"></noframes><menu 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src="https://tyunfile.71360.com/UploadFile/szjingsumi/637381781613623047/5197338.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3d2zvhy" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szjingsumi/637381781613623047/5197338.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="vzqccyp" class="content"><p><span>需求數量：</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>產品關鍵詞：</span>上海聚酰胺多少錢,PA66</p><p><span>***更新：</span>2021-01-15 00:24:45</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="mvhyuq7" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">蘇州晶塑米新材料有限公司</a></p><p><span>聯系人：</span>李麗</p><p><span>郵箱: </span>321260043@qq.com</p><p><span>電話: </span>15162619982</p><p><span>傳真: </span>151_</p><p><span>網址: </span>http://szjingsumi.shop.88360.com</p><p><span>手機: </span>151-62619982</p><p><span>地址: </span>陸家鎮(zhèn)陸豐東路3號仕泰隆模具城17-8號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="nahdzlx" class="page-proshow02"><p class="title">詳細說明</p><div id="cwdu7th" class="box"><p><p style="text-indent:25px">用途：　　聚酰胺主要用于合成纖維，其較突出的優(yōu)點是耐磨性高于其他所有纖維，比棉花耐磨性高10倍，比羊毛高20倍，在混紡織物中稍加入一些聚酰胺纖維，可較大提高其耐磨性；當拉伸至3-6%時，彈性回復率可達99%；能經受上萬次折撓而不斷裂。　　聚酰胺纖維的強度比棉花高1-2倍、比羊毛高4-5倍，是粘膠纖維的3倍，上海聚酰胺多少錢。但聚酰胺纖維的耐熱性和耐光性較差，保持性也不佳，做成的衣服不如滌綸挺括。另外，上海聚酰胺多少錢，用于衣著的錦綸-66和錦綸-6都存在吸濕性和染色性差的缺點，為此開發(fā)了聚酰胺纖維的新品種――錦綸-3和錦綸-4的新型聚酰胺纖維，具有質輕，上海聚酰胺多少錢、防皺性優(yōu)良、透氣性好以及良好的耐久性、染色性和熱定型等特點，因此被認為是很有發(fā)展前途的。聚酰胺的吸水率隨單體中碳鏈的增加而減少。上海聚酰胺多少錢</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海聚酰胺多少錢,PA66" src="https://tyunfile.71360.com/UploadFile/szjingsumi/637381781613623047/5197338.png"></div><p style="text-indent:25px">簡介：尼龍板尼龍（Nylon），中文名聚酰胺，英文名稱Polyamide，簡稱PA。是分子主鏈上含有重復酰胺基團—[NHCO]—的熱塑性樹脂總稱。其命名由合成單體具體的碳原子數而定。是美國較大的化學工業(yè)公司── 杜邦公司有名化學家卡羅瑟斯和他的科研小組發(fā)明的。尼龍系列是較重要的工程塑料。該產品應用普遍，幾乎覆蓋每一個領域，是五大工程塑料中應用較廣的品種。澆鑄尼龍板又稱MC 尼龍：英文名稱 Monomer casting nylon ，中文稱單體澆鑄尼龍。“以塑代鋼、性能厲害”，用途極其普遍。它具有重量輕、強度高、自潤滑、耐磨、防腐，絕緣等多種獨特性能。是應用普遍的工程塑料，幾乎遍布所有的工業(yè)領域。目前市面上常用的澆鑄尼龍板主要有以下幾種：　1：MC 尼龍（象牙白）：未改性澆鑄尼龍6的特性與尼龍66極為接近，其綜合性能好，強度，剛度和硬度高，抗蠕變、耐磨，耐熱老化，機加工性能好等。環(huán)氧聚酰胺銷售聚酰胺纖維是用天然高分子化合物或人工合成的高分子化合物為原料。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海聚酰胺多少錢,PA66" src="https://tyunfile.71360.com/UploadFile/szjingsumi/637381781666982422/976884.png"></div><p style="text-indent:25px">表面活化聚酰胺-胺樹枝狀大分子一般可作為表面活性劑和納米材料模板。其作為表面活性劑時與傳統(tǒng)的表面活性劑不同。傳統(tǒng)的表面活性劑多為線性，而樹枝狀大分子隨著代數的增加越接近于球形。聚酰胺胺(PAMAM)樹狀分子中碳氫鏈是親油性的基團, 而羧基和胺基是親水性的基團,所以聚酰胺胺(PAMAM)樹狀分子具有增溶,破乳,穩(wěn)定等表面活性劑所具有的作用，可以應用于生物醫(yī)藥、材料改性、石油開采等領域；納米材料的尺寸很小,表面能很大,在制備過程中很容易團聚 , 所以在制備納米材料時選擇合適的分散劑及穩(wěn)定劑很重要 . 聚酰胺胺 _x000c_(PAMAM)樹狀分子不但具有內部空腔,而且具有豐富的表面官能團,所以聚酰胺胺(PAMAM)樹狀分子是制備納米材料的良好模板. </p><p style="text-indent:25px">聚酰胺的特性：阻燃PA：由于在PA中加入了阻燃劑，大部分阻燃劑在高溫下易分解，釋放出酸性物質，對金屬具有腐蝕作用，因此，塑化元件(螺桿、過膠頭、過膠圈、過膠墊圈、法蘭等)需鍍硬鉻處理。在工藝方面，盡量控制機筒溫度不能過高，注射速度不能太快，以避免因膠料溫度過高而分解引起制品變色和力學性能下降。透明PA：具有良好的拉伸強度、耐沖擊強度、剛性、耐磨性、耐化學性、表面硬度等性能，透光率高，與光學玻璃相近，加工溫度為300--315 ℃，成型加工時，需嚴格控制機筒溫度，熔體溫度太高會因降解而導致制品變色，溫度太低會因塑化不良而影響制品的透明度。模具溫度盡量取低些，模具溫度高會因結晶而使制品的透明度降低。聚酰胺用途普遍，可以純紡織造，也可與棉、毛、絲、麻等天然纖維和其他化學纖維混紡交織。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海聚酰胺多少錢,PA66" src="https://tyunfile.71360.com/UploadFile/szjingsumi/637381781500371094/3952416.png"></div><p style="text-indent:25px">聚丙烯腈（polyacrylonitrile）是一種化合物，由單體丙烯腈經自由基聚合反應而得到，為白色或略帶黃色的不透明粉末。聚丙烯腈溶于二甲基甲酰胺、二甲基亞砜、環(huán)丁砜、硝酸亞乙基酯等極性有機溶劑，還能溶于硫氰酸鹽、過氯酸鹽、氯化鋅、溴化鋰等無機鹽的濃水溶液，以及濃硝酸等特殊溶劑；聚丙烯腈耐化學試劑，特別是無機酸、漂白粉、過氧化氫及一般有機試劑。聚丙烯腈主要用于制造聚丙烯腈纖維（晴綸），耐候性和耐日曬性好，在室外放置18個月后還能保持原有強度的77%。聚酰胺綜合的機械性能較好，抗張強度在600?700公斤/平方厘米之間。上海聚酰胺多少錢</p><p style="text-indent:25px">聚酰胺具有質輕、防皺性優(yōu)良、透氣性好。上海聚酰胺多少錢</p><p style="text-indent:25px">聚酰胺(PA，俗稱尼龍)是美國DuPont公司較先開發(fā)用于纖維的樹脂，于1939年實現工業(yè)化。20世紀50年代開始開發(fā)和生產注塑制品，以取代金屬滿足下游工業(yè)制品輕量化、降低成本的要求。聚酰胺主鏈上含有許多重復的酰胺基，用作塑料時稱尼龍，用作合成纖維時我們稱為錦綸，聚酰胺可由二元胺和二元酸制取，也可以用ω-氨基酸或環(huán)內酰胺來合成。根據二元胺和二元酸或氨基酸中含有碳原子數的不同，可制得多種不同的聚酰胺，聚酰胺品種多達幾十種，其中以聚酰胺-6、聚酰胺-66和聚酰胺-610的應用較普遍。上海聚酰胺多少錢</p><p style="text-indent:25px">蘇州晶塑米新材料有限公司致力于橡塑，是一家貿易型的公司。公司自成立以來，以質量為發(fā)展，讓匠心彌散在每個細節(jié)，公司旗下PA66，PC，POM，PLA深受客戶的喜愛。公司將不斷增強企業(yè)重點競爭力，努力學習行業(yè)知識，遵守行業(yè)規(guī)范，植根于橡塑行業(yè)的發(fā)展。蘇州晶塑米秉承“客戶為尊、服務為榮、創(chuàng)意為先、技術為實”的經營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2846998.html</p></div></div></div></div></div><div id="clh3coa" class="page-right twoColRt"><div id="hgxl3e8" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="g8ox8hq" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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