上海天然PA66 來(lái)電咨詢蘇州晶塑米新材料供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="聚酰胺：1、共縮聚尼龍：由于分子鏈的規(guī)整性較差，結(jié)晶性和熔點(diǎn)一般較低，如尼龍－6∕66∕1010的熔點(diǎn)*為155～175℃，但其有較好的透明性和彈性。2、熔點(diǎn)高，熔化范圍窄（約10℃）?？紤]到PA熔點(diǎn)高、熱穩(wěn)定性較差，故加工溫度不宜太高，一"><meta name="keywords" content="上海天然PA66,PA66"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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id="bqevc2g" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szjingsumi/637381781484511719/4536504.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="fj2s722" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szjingsumi/637381781484511719/4536504.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="obxtkgx" 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>上海天然PA66,PA66</p><p><span>***更新：</span>2021-01-10 05:19:14</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="m3pbcyo" 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(lián)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(wǎng)址: </span>http://szjingsumi.shop.88360.com</p><p><span>手機(jī): </span>151-62619982</p><p><span>地址: </span>陸家鎮(zhèn)陸豐東路3號(hào)仕泰隆模具城17-8號(hào)</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="8yzyfm2" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="e8cel2k" class="box"><p><p style="text-indent:25px">聚酰胺： 1、共縮聚尼龍：由于分子鏈的規(guī)整性較差，結(jié)晶性和熔點(diǎn)一般較低，如尼龍－6∕66∕1010的熔點(diǎn)*為155～175℃，但其有較好的透明性和彈性。 2、熔點(diǎn)高，熔化范圍窄（約10℃）。考慮到PA熔點(diǎn)高、熱穩(wěn)定性較差，故加工溫度不宜太高，一般高于熔點(diǎn)30℃左右即可。 3、吸濕性大，且酰胺基易于高溫水解，引起分子量嚴(yán)重降低；（須嚴(yán)格干燥至含水量低于0.05％，尤其是回料使用時(shí)更應(yīng)嚴(yán)格干燥，必要時(shí)可添加“增粘劑”。） 4、熔體粘度低，表觀粘度對(duì)溫度敏感，由于熔體的冷卻速率快，要防止塑料堵塞噴孔、流道、澆口等，上海天然PA66。為阻止熔體逆流，螺桿頭應(yīng)裝有止逆環(huán)；另外，上海天然PA66，為防止噴嘴處熔體的“流涎”現(xiàn)象，上海天然PA66，應(yīng)選用自鎖式噴嘴。聚酰胺綜合的機(jī)械性能較好，抗張強(qiáng)度在600?700公斤/平方厘米之間。上海天然PA66</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海天然PA66,PA66" src="https://tyunfile.71360.com/UploadFile/szjingsumi/637381781484511719/4536504.png"></div><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(diǎn)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(dāng)拉伸至3-6%時(shí)，彈性回復(fù)率可達(dá)99%；能經(jīng)受上萬(wàn)次折撓而不斷裂。　　聚酰胺纖維的強(qiáng)度比棉花高1-2倍、比羊毛高4-5倍，是粘膠纖維的3倍。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，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(diǎn)，為此開(kāi)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(zhì)輕、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(diǎn)，因此被認(rèn)為是很有發(fā)展前途的。上海天然PA66聚酰胺有自潤(rùn)滑性能，耐磨性好。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海天然PA66,PA66" src="https://tyunfile.71360.com/UploadFile/szjingsumi/637381781696806641/1126742.png"></div><p style="text-indent:25px">聚酰胺色譜的分離原理：聚酰胺分子中既有親水基團(tuán)又有親脂基團(tuán)，當(dāng)用極性溶劑作為流動(dòng)相時(shí)，聚酰胺中的烷基作為非極性固定相，其色譜行為類(lèi)似于反相分配色譜，因黃酮苷的極性大于苷元，所以黃酮苷比苷元容易洗脫；當(dāng)用非極性流動(dòng)相時(shí)，聚酰胺則作為極性固定相，其色譜行為類(lèi)似于正相分配色譜。黃酮苷元的極性小于黃酮苷，因而黃酮苷元易被洗脫。此即是聚酰胺色譜的雙重層析原理。聚酰胺對(duì)極性物質(zhì)的吸附作用，是由于它能和被分離物之間形成氫鍵所致。這種氫鍵的強(qiáng)弱就決定了被分離物與聚酰胺薄膜之間的吸附能力的大小。</p><p style="text-indent:25px">聚酰胺俗稱(chēng)尼龍，通稱(chēng)耐綸。主鏈上含許多重復(fù)基團(tuán)的一類(lèi)線性高分子化合物。1889年首先由加勃瑞爾等人發(fā)現(xiàn)，1929年美國(guó)杜邦公司的卡羅瑟斯開(kāi)始進(jìn)行系統(tǒng)研究，1937年制得一個(gè)聚酰胺品種——尼龍66，并于1939年正式投入工業(yè)生產(chǎn)。由二元胺和二元酸縮聚而成，也可由內(nèi)酰胺自聚而得。中國(guó)用它作塑料時(shí)稱(chēng)為尼龍，其命名由二元胺和二元酸中的碳原子數(shù)決定，如己二胺與癸二酸的縮聚物稱(chēng)為尼龍610，其中6指二元胺中碳原子數(shù)，10是二元酸中碳原子數(shù)。如由內(nèi)酰胺開(kāi)環(huán)制取的聚酰胺，則其命名由氨基酸中碳原子數(shù)而定，如己內(nèi)酰胺可制得尼龍6。目前已開(kāi)發(fā)的品種有10多種，其中尼龍66、尼龍610和尼龍6等已投入工業(yè)規(guī)模生產(chǎn)。聚酰胺耐化學(xué)腐蝕性和自潤(rùn)滑性，且摩擦系數(shù)低，有一定的阻燃性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海天然PA66,PA66" src="https://tyunfile.71360.com/UploadFile/szjingsumi/637381781613623047/5197338.png"></div><p style="text-indent:25px">聚酰胺的吸附原理及含水溶劑中吸附強(qiáng)弱的規(guī)律：色譜分析法基本原理：色譜法，又稱(chēng)層析法。根據(jù)其分離原理，有吸附色譜、分配色譜、離子交換色譜與排阻色譜等方法。  吸附色譜是利用吸附劑對(duì)被分離物質(zhì)的吸附能力不同，用溶劑或氣體洗脫，以使組分分離。常用的吸附劑有氧化鋁、硅膠、聚酰胺等有吸附活性的物質(zhì)。  分配色譜是利用溶液中被分離物質(zhì)在兩相中分配系數(shù)不同，以使組分分離。其中一相為液體，涂布或使之鍵合在固體載體上，稱(chēng)固定相；另一相為液體或氣體，稱(chēng)流動(dòng)相。常用的載體有硅膠、硅藻土、硅鎂型吸附劑與纖維素粉等。  離子交換色譜是利用被分離物質(zhì)在離子交換樹(shù)脂上的離子交換勢(shì)不同而使組分分離。常用的有不同強(qiáng)度的陽(yáng)、陰離子交換樹(shù)脂，流動(dòng)相一般為水或含有有機(jī)溶劑的緩沖液。  排阻色譜又稱(chēng)凝膠色譜或凝膠滲透色譜，是利用被分離物質(zhì)分子量大小的不同和在填料上滲透程度的不同，以使組分分離。常用的填料有分子篩、葡聚糖凝膠、微孔聚合物、微孔硅膠或玻璃珠等，可根據(jù)載體和試樣的性質(zhì)，選用水或有機(jī)溶劑為流動(dòng)相。聚酰胺具備更好的剛性結(jié)構(gòu)，其耐熱性、化學(xué)穩(wěn)定性優(yōu)異，且更易溶于有機(jī)溶劑。上海天然PA66</p><p style="text-indent:25px">聚酰胺主要用于合成纖維，其較突出的優(yōu)點(diǎn)是耐磨性高于其他所有纖維。上海天然PA66</p><p style="text-indent:25px">聚酰胺4纖維又稱(chēng)聚丁內(nèi)酰胺纖維、錦綸4。聚酰胺纖維的主要品種之一。20世紀(jì)50年代初，美國(guó)阿爾拉克公司(AlracCorp)首先研制成功，后來(lái)、日本、德國(guó)、意大利等進(jìn)行了許多研究工作，由于原料價(jià)格貴，未大規(guī)模工業(yè)化生產(chǎn)。制法：以a一吡咯烷酮本體聚合，然后熔融紡絲。熔點(diǎn)260℃，纖維強(qiáng)度4．4～4．9cN/dtex，伸長(zhǎng)率30%～40%，吸濕率7%，染色性能良好，耐磨性和彈性與錦綸6相似，不帶靜電，不易沾污。缺點(diǎn)：彈性模量較低，尺寸穩(wěn)定性較差。主要用于襪類(lèi)、內(nèi)衣、裝飾用品。上海天然PA66</p><p style="text-indent:25px">蘇州晶塑米新材料有限公司主要經(jīng)營(yíng)范圍是橡塑，擁有一支專(zhuān)業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。蘇州晶塑米致力于為客戶提供良好的PA66，PC，POM，PLA，一切以用戶需求為中心，深受廣大客戶的歡迎。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠(chéng)信為本的理念，打造橡塑良好品牌。蘇州晶塑米立足于全國(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)客戶的變化需求。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2781895.html</p></div></div></div></div></div><div id="swxelsh" class="page-right twoColRt"><div id="ivw8syz" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="aykqxof" class="recomPic likePro"><a 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