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抱誠(chéng)守真蘇州晶塑米新材料供應(yīng)</h1><div id="dz9lkbi" class="proBig"><div id="3biz9bn" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szjingsumi/637381781527958985/5347665.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="osgx0aw" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szjingsumi/637381781527958985/5347665.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="odxjdek" 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>高溫聚酰胺多少錢(qián),PA66</p><p><span>***更新：</span>2020-10-31 02:23:29</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="xgx8sul" 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="o2nzd22" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="2evr39s" class="box"><p><p style="text-indent:25px">聚酰胺俗稱尼龍，通稱耐綸。主鏈上含許多重復(fù)基團(tuán)的一類線性高分子化合物。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)稱為尼龍，其命名由二元胺和二元酸中的碳原子數(shù)決定，高溫聚酰胺多少錢(qián)，如己二胺與癸二酸的縮聚物稱為尼龍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，高溫聚酰胺多少錢(qián)。目前已開(kāi)發(fā)的品種有10多種，其中尼龍66，高溫聚酰胺多少錢(qián)、尼龍610和尼龍6等已投入工業(yè)規(guī)模生產(chǎn)。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。高溫聚酰胺多少錢(qián)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="高溫聚酰胺多少錢(qián),PA66" src="https://tyunfile.71360.com/UploadFile/szjingsumi/637381781527958985/5347665.png"></div><p style="text-indent:25px">聚酰胺熱熔膠主要性能特點(diǎn)：聚酰胺熱熔膠的耐水洗性能：聚酰胺熱熔膠的耐水洗性能，主要與聚酰胺的吸濕性有關(guān)，分子鏈中亞甲基與酰胺基的比例越大，吸濕性越低，耐水洗性能越好。目前，國(guó)外高級(jí)聚酰胺熱熔膠，均采用PA6／PA66／PAl2三元共聚物，其中PAl2的比例高達(dá)40％以上(為主體原料)。寧波華東熱熔膠有限公司李載生等按不同配比，制得了不同熔點(diǎn)的PA6／66／1010三元共聚酰胺，且有熔點(diǎn)低和柔性好的特點(diǎn)。為了提高其耐水洗性，增強(qiáng)其粘接強(qiáng)度和柔韌性，國(guó)外還采用含支鏈的2，2，4一三甲基六亞甲基二胺和2，2，4一三甲基六亞甲基二酸制作尼龍鹽來(lái)合成聚酰胺熱熔膠，其耐水洗性能有了明顯的改善，但原料來(lái)源有限，價(jià)格偏高；另外，國(guó)外還采用二聚脂肪酸、直鏈Cs～C。s的二羧酸及直鏈C。～C，，的伯二胺為原材料合成聚酰胺熱熔膠，該膠有較高的耐水洗性能，但由于二聚脂肪酸烷基鏈太長(zhǎng)，加之二聚脂肪酸中含有一定量的一元脂肪酸，導(dǎo)致其耐干洗性能較差。改性聚酰胺公司聚酰胺是性能優(yōu)良用途普遍的化工原料。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="高溫聚酰胺多少錢(qián),PA66" src="https://tyunfile.71360.com/UploadFile/szjingsumi/637381781696806641/1126742.png"></div><p style="text-indent:25px">以聚酰胺6和聚酰胺 66 (以下有時(shí)分別簡(jiǎn)稱為“PA6”和“PA66”)等為表示的聚酰胺，具有優(yōu)良的成形加工性、機(jī)械物性或耐化學(xué)品性，因此作為汽車用、電氣及電子用、產(chǎn)業(yè) 材料用、工業(yè)材料用、日用及家庭用品用等的各種部件材料普遍應(yīng)用。在汽車產(chǎn)業(yè)中，作為致力于環(huán)境的手段，為了減少?gòu)U氣而要求通過(guò)金屬替代物使車體重量減輕。為了應(yīng)對(duì)該要求，在外部材料或內(nèi)部材料等中更多地使用聚酰胺，并且對(duì)聚酰胺材料的耐熱性、強(qiáng)度以及外觀等所要求的特性的水平進(jìn)一步提高。其中，由于發(fā)動(dòng)機(jī)室內(nèi)部的溫度也有上升的傾向，因此對(duì)聚酰胺材料的高耐熱化要求增強(qiáng)。另外，在家電等電氣及電子產(chǎn)業(yè)中，對(duì)于用于滿足表面安裝(SMT)焊料的無(wú)鉛化、能夠耐受焊料的熔點(diǎn)上升的聚酰胺材料，要求高耐熱化。PA6和PA66等聚酰胺的熔點(diǎn)低，在耐熱性方面不能滿足這些要求。為了解決PA6及PA66等現(xiàn)有聚酰胺的所述問(wèn)題，提出了高熔點(diǎn)聚酰胺。具體而言，提出了由對(duì)苯二甲酸與1，6_己二胺形成的聚酰胺(以下有時(shí)簡(jiǎn)稱“PA6T”)等。</p><p style="text-indent:25px"> 除個(gè)別品種外，多數(shù)聚酰胺纖維品種采用熔體紡絲生產(chǎn)。所用聚酰胺的相對(duì)粘度為 2.25～3.3。（數(shù)均分子量約為14 000～22 000）,聚酰胺6的熱分解溫度為300～500℃，聚酰胺66更高一些。聚酰胺纖維有聚合-紡絲連續(xù)法和聚合-紡絲間斷法兩種工藝。連續(xù)法是將聚合所得的聚合物熔體直接送到紡絲機(jī)上進(jìn)行紡絲，以避免熔體與空氣接觸及切片再熔時(shí)的氧化降解，有利于節(jié)省能源耗用量。間斷法是將聚合物熔體經(jīng)鑄帶、切粒、萃取（聚酰胺66無(wú)此工序）、烘干后制成切片，再送去紡絲。此法適用于需更換品種、添加助劑或用于特殊產(chǎn)品的生產(chǎn)。聚酰胺樹(shù)脂較突出的優(yōu)點(diǎn)為軟化點(diǎn)的范圍特別窄。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="高溫聚酰胺多少錢(qián),PA66" src="https://tyunfile.71360.com/UploadFile/szjingsumi/637381781604560547/5681969.png"></div><p style="text-indent:25px">聚酰胺的缺點(diǎn)以般有幾下幾點(diǎn)： 1.聚酰胺吸潮、透濕性較大，吸水后易產(chǎn)生尺寸偏移。 2.聚酰胺挺力弱，易起皺。 3.聚酰胺抗靜電性能不好。聚酰胺的電性能，由于聚酰胺是親水性的，很難得到一定干燥的制品，而它的電性能又隨著含水較的變化而變化，所以在通常情況下不用它作電絕緣材料。 4.聚酰胺耐熱性比較差。 5.聚酰胺的吸水性和線膨脹率很大，特別是尼龍-6和尼龍-66較為明顯，在大氣中的平衡吸水率可達(dá)3.5%，常溫下浸入水中24小時(shí)，其飽和吸水率可達(dá)10.7%。吸水的結(jié)果造成體積膨脹，當(dāng)吸水率為3.5%時(shí)，線膨脹率為0.65%,當(dāng)吸水率為線膨脹率為2.3%,尺寸穩(wěn)定性很差。吸水后制品的抗拉強(qiáng)度有明顯的降低，減量可達(dá)30?50%，但韌性更好，沖擊強(qiáng)度可提高3?4倍。一定干燥的聚酰胺硬而脆,韌性和延伸率都很差，無(wú)法使用，但它在空氣中會(huì)'自動(dòng)吸水，隨著吸水量的枏加，其綜合性能也有改善。聚酰胺的吸水率隨單體中碳鏈的增加而減少。聚酰胺的吸水性和線膨脹率很大。耐高溫PA66廠商</p><p style="text-indent:25px">聚酰胺具有低吸水性、高耐熱性以及高耐化學(xué)品性等特性。高溫聚酰胺多少錢(qián)</p><p style="text-indent:25px">聚酰胺6纖維和聚酰胺66纖維均以生產(chǎn)長(zhǎng)絲為主,采用熔體紡絲制備（見(jiàn)彩圖）。由噴絲孔壓出的初生纖維經(jīng)過(guò)紡絲套筒,采用側(cè)吹風(fēng)等形式使其冷卻,然后進(jìn)行拉伸。聚酰胺纖維玻璃化溫度低，在室溫下即可拉伸3.5～4.5倍，可采用單區(qū)拉伸或由冷拉伸和熱拉伸結(jié)合的雙區(qū)拉伸。拉伸后的纖維經(jīng)加捻、壓洗（間斷法無(wú)此工序）、定型制得成品。常用的紡絲速度為800～1000m/min，當(dāng)紡絲速度高于4500m/min，并相應(yīng)有5000～5200m/min的卷繞速度時(shí)，可省去單獨(dú)的拉伸加捻等工序，所生產(chǎn)的部分取向絲可直接在拉伸變形機(jī)上進(jìn)行變形加工，制得各種變形紗。聚酰胺6纖維生產(chǎn)中,還采用了紡絲-拉伸-熱定型一步法工藝，提高了生產(chǎn)的連續(xù)程度，此工藝可用于無(wú)捻長(zhǎng)絲的生產(chǎn)，聚酰胺的變形紗主要有用作地毯絲的膨體長(zhǎng)絲。它的加工方法也有兩種:紡絲-拉伸與空氣變形分段工藝和紡絲-拉伸-變形連續(xù)工藝。分段工藝靈活性大，適用于變換花色品種的小批量生產(chǎn)；連續(xù)工藝適用于大批量連續(xù)生產(chǎn)，效率高，目前也可一次完成三色膨體長(zhǎng)絲的生產(chǎn)。高溫聚酰胺多少錢(qián)</p><p style="text-indent:25px">蘇州晶塑米新材料有限公司致力于橡塑，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。公司自創(chuàng)立以來(lái)，投身于PA66，PC，POM，PLA，是橡塑的主力軍。蘇州晶塑米始終以本分踏實(shí)的精神和必勝的信念，影響并帶動(dòng)團(tuán)隊(duì)取得成功。蘇州晶塑米始終關(guān)注橡塑行業(yè)。滿足市場(chǎng)需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來(lái)源地址: 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