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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="h82kwno" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szjingsumi/637381781666982422/976884.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="y9soawn" 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>南京再生聚酰胺報(bào)價(jià),PA66</p><p><span>***更新：</span>2021-02-06 02:15:09</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="ulhdplm" 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="bxdpgcy" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="87vmdpq" class="box"><p><p style="text-indent:25px">pa66是什么材質(zhì)?一種熱塑性樹脂，也叫尼龍66。pa66是一種白色固體，又是一種熱塑性樹脂，也叫尼龍66，它主要是由己二酸和己二胺兩種原料為主，主要用于齒輪、支撐架、風(fēng)扇葉片、閥座、把手等。當(dāng)然pa66有很多優(yōu)點(diǎn)，它耐沖擊性強(qiáng)，耐腐蝕、耐高溫，PA66可以承受160度的高溫，在工程塑料中是承受力是較強(qiáng)的了，南京再生聚酰胺報(bào)價(jià)，韌性好，自熄性強(qiáng)，pA66的自熄性能達(dá)到HB級(jí)別，是很強(qiáng)大的了，但是它也有一定的缺點(diǎn)，它不耐酸，尺寸也不穩(wěn)定。PA66聚己二酰己二胺，南京再生聚酰胺報(bào)價(jià)，南京再生聚酰胺報(bào)價(jià)，俗稱尼龍雙6；英文名：Polyamide66，縮寫nylon66。是一種熱塑性樹脂，一般是由己二酸和己二胺縮聚制的。PA66不溶于一般溶劑，光溶于間苯甲酚等。機(jī)械強(qiáng)度和硬度很高，剛性很大?？捎米鞴こ趟芰?，機(jī)械附件如齒輪、潤滑軸承，代替有色金屬材料做機(jī)器外殼、汽車發(fā)動(dòng)機(jī)葉片等，也可用于制合成纖維。PA66塑料與其它聚酰胺材料相比較具有較高的熔點(diǎn)，是一種半晶體-晶體材料。聚酰胺很好地解決了聚酰亞胺加工成型比較難的問題。南京再生聚酰胺報(bào)價(jià)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京再生聚酰胺報(bào)價(jià),PA66" src="https://tyunfile.71360.com/UploadFile/szjingsumi/637381781666982422/976884.png"></div><p style="text-indent:25px">聚酰胺用途：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)100%；能經(jīng)受上萬次折撓而不斷裂。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PA66報(bào)價(jià)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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京再生聚酰胺報(bào)價(jià),PA66" src="https://tyunfile.71360.com/UploadFile/szjingsumi/637381781555351563/1295272.png"></div><p style="text-indent:25px">聚酰胺研發(fā)歷程：卡羅瑟斯又對(duì)一系列的聚酯和聚酰胺類化合物進(jìn)行了深入的研究。經(jīng)過多方對(duì)比，選定他在1935年2月28日初次由己二胺和己二酸合成出的聚酰胺66(一個(gè)6表示二胺中的碳原子數(shù)，第二個(gè)6表示二酸中的碳原子數(shù))。這種聚酰胺不溶于普通溶劑，熔點(diǎn)為263℃，高于通常使用的熨燙溫度，拉制的纖維具有絲的外觀和光澤，在結(jié)構(gòu)和性質(zhì)上也接近天然絲，其耐磨性和強(qiáng)度超過當(dāng)時(shí)任何一種纖維。從其性質(zhì)和制造成本綜合考慮，在已知聚酰胺中它是較佳選擇。接著，又解決了生產(chǎn)聚酰胺66原料的工業(yè)來源問題。</p><p style="text-indent:25px">聚酰胺的產(chǎn)品：PA9T是由壬二胺和對(duì)苯二甲酸熔融縮聚而得的。PA9T具有良好的耐熱性能和可熔融加工性能，吸水率光為0.17%，是PA46(1.8%)的1/10，尺寸穩(wěn)定性好等特點(diǎn)，迅速在電子電氣、信息設(shè)備、汽車零部件等方面得到了普遍的應(yīng)用。當(dāng)重復(fù)單元鏈節(jié)中二元胺的碳原子數(shù)為6時(shí)，得到PA6T的熔點(diǎn)為370℃，超過了其熱分解溫度約350℃，因此如果不添加第三甚至第四組分來降低熔點(diǎn)，是不能獲得實(shí)際應(yīng)用（尼龍熔融加工溫度一般在320℃以下）的尼龍，但是如果添加了其它組分來降低熔點(diǎn)，必然會(huì)帶來PA6T性能如結(jié)晶度、尺寸穩(wěn)定性和耐藥品性等性能的降低。因此提高二元胺碳原子數(shù)目成為另外一個(gè)研究的熱點(diǎn)，PA9T的結(jié)構(gòu)成為了一種理想的結(jié)構(gòu)，兼有耐熱性和可熔融加工性。但是，合成PA9T的主要原料壬二胺的合成路線較為復(fù)雜：丁二烯經(jīng)過水合、轉(zhuǎn)位、羥基化和氨化還原等步驟的化學(xué)反應(yīng)，才能較終得到壬二胺。這就造成PA9T的生產(chǎn)成本居高不下，進(jìn)而限制了PA9T的大規(guī)模生產(chǎn)與應(yīng)用。聚酰胺熔融紡成絲后有很高的強(qiáng)度，主要做合成纖維并可作為醫(yī)用縫線。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京再生聚酰胺報(bào)價(jià),PA66" src="https://tyunfile.71360.com/UploadFile/szjingsumi/637381781527958985/5347665.png"></div><p style="text-indent:25px">聚酰胺分子結(jié)構(gòu)常用的錦綸纖維可分：一類是由二胺和二酸縮聚而得的聚己二酸己二胺，其長鏈分子的化學(xué)結(jié)構(gòu)式為：H-[HN(CH2)XNHCO(CH2)YCO]-OH。這類錦綸的相對(duì)分子量一般為17000-23000.根據(jù)所用二元胺和二元酸的碳原子數(shù)不同，可以得到不同的錦綸產(chǎn)品，并可通過加在錦綸后的數(shù)字區(qū)別，其中前一數(shù)字是二元胺的碳原子數(shù)，后一數(shù)字是二元酸的碳原子數(shù)。例如錦綸66，說明它是由己二胺和己二酸縮聚制得；錦綸610，說明它是由己二胺和癸二酸制得。尼龍作為工程塑料中較大較重要的品種，具有很強(qiáng)的生命力，主要在于它改性后實(shí)現(xiàn)高性能化。上海PA66報(bào)價(jià)</p><p style="text-indent:25px">聚酰胺樹脂配制的油墨有光澤性，粘結(jié)性能好，醇稀釋性優(yōu)良，膠凝性低，快干，氣味小。南京再生聚酰胺報(bào)價(jià)</p><p style="text-indent:25px">聚酰胺形態(tài)結(jié)構(gòu)：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(shí)現(xiàn)工業(yè)化。20世紀(jì)50年代的開始開發(fā)和生產(chǎn)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(fù)的酰胺基，用作塑料時(shí)稱尼龍，用作合成纖維時(shí)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(nèi)酰胺來合成。根據(jù)二元胺和二元酸或氨基酸中含有碳原子數(shù)的不同，可制得多種不同的聚酰胺，聚酰胺品種多達(dá)幾十種，其中以聚酰胺-6、聚酰胺-66和聚酰胺-610的應(yīng)用較普遍。南京再生聚酰胺報(bào)價(jià)</p></p><br /><p>文章來源地址: 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