南京透明POM銷(xiāo)售歡迎來(lái)電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="導(dǎo)電改性：添加導(dǎo)電性炭黑是制造導(dǎo)電性POM的常用方法，所謂導(dǎo)電性炭黑是指粒徑較小、表面積較大且鎖狀構(gòu)造較多的一類(lèi)炭黑。炭黑一般是有各種有機(jī)烴類(lèi)以不完全燃燒的方法或熱分解的方法制成的，為不溶不熔的微球狀粒子，其表面除孤對(duì)電子和芳香環(huán)外，還有醌"><meta name="keywords" content="南京透明POM銷(xiāo)售,POM"><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 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href="http://www.cdcfah.com/cp/third-quan_djjq/">多聚甲醛</a>?南京透明POM銷(xiāo)售歡迎來(lái)電蘇州晶塑米新材料供應(yīng)</p><div id="mgy2hla" class="leftbox clearfix"><h1>南京透明POM銷(xiāo)售歡迎來(lái)電蘇州晶塑米新材料供應(yīng)</h1><div id="ih732gd" class="proBig"><div id="vsxhdf4" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szjingsumi/637387288223592211/5736543.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="dbivctn" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szjingsumi/637387288223592211/5736543.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="2uqs3eb" 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>南京透明POM銷(xiāo)售,POM</p><p><span>***更新：</span>2020-11-27 04:19:24</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="3wo3fmg" 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="8pbi4og" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="rvszo8i" class="box"><p><p style="text-indent:25px">導(dǎo)電改性：添加導(dǎo)電性炭黑是制造導(dǎo)電性POM的常用方法，所謂導(dǎo)電性炭黑是指粒徑較小、表面積較大且鎖狀構(gòu)造較多的一類(lèi)炭黑。炭黑一般是有各種有機(jī)烴類(lèi)以不完全燃燒的方法或熱分解的方法制成的，為不溶不熔的微球狀粒子，其表面除孤對(duì)電子和芳香環(huán)外，還有醌式羰基及酚式羥基等極性官能團(tuán)。導(dǎo)電性炭黑的添加量一般為0.5%-20%，若炭黑的導(dǎo)電性較好，則POM的表面電阻率或體積電阻率均可降低至1*102數(shù)量等級(jí)。但由于炭黑表面上級(jí)性官能團(tuán)的作用，往往會(huì)造成POM熱穩(wěn)定性下降，進(jìn)而造成物理力學(xué)性能的降低。為克服此缺點(diǎn)，可采取導(dǎo)電性炭黑和親水性高分子化合物（如PEG）并用的方法，以減少炭黑的使用量，也可以采用添加以甲醛捕捉劑為主的熱穩(wěn)定劑方法，改進(jìn)體系熱穩(wěn)定性。與之相比，碳纖維的使用既能使POM的各種性能（包括自潤(rùn)滑性）有較大的提高，又可達(dá)到良好的抗靜電性，南京透明POM銷(xiāo)售，南京透明POM銷(xiāo)售。如添加20%導(dǎo)電性較好的碳纖維時(shí)，南京透明POM銷(xiāo)售，POM的表面電阻率和體積電阻率均可達(dá)到1*102數(shù)量級(jí)。聚甲醛一旦熔融它的速度會(huì)很快并且凝固也很快和，其制品在澆注時(shí)容易產(chǎn)生出現(xiàn)的表面缺陷。南京透明POM銷(xiāo)售</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京透明POM銷(xiāo)售,POM" src="https://tyunfile.71360.com/UploadFile/szjingsumi/637387288223592211/5736543.png"></div><p style="text-indent:25px">特性:1、具有較好的綜合性能，在熱塑性塑料中是zui堅(jiān)硬的，是塑料材料中力學(xué)性能zui接近金屬的品種之一，其抗張強(qiáng)度、彎曲強(qiáng)度、耐疲勞強(qiáng)度，耐磨性和電性能都十分優(yōu)良，可在-40℃--100℃之間長(zhǎng)期使用。2、屬結(jié)晶性塑料，熔點(diǎn)明顯，一旦達(dá)到熔點(diǎn)，熔體粘度迅速下降。當(dāng)溫度超過(guò)一定限度或熔體受熱時(shí)間過(guò)長(zhǎng)，會(huì)引起分解。銅是POM降解催化劑，與POM熔體接觸的部位應(yīng)避免使用銅或銅材料。3、按分子鏈結(jié)構(gòu)不同，聚甲醛可分為均聚甲醛和共聚甲醛。前者密度、結(jié)晶度、熔點(diǎn)都較高，但是熱穩(wěn)定性差，加工溫度范圍窄（10℃），對(duì)酸堿的穩(wěn)定性略低；后者密度、結(jié)晶度、熔點(diǎn)較低，但熱穩(wěn)定性好，不易分解，加工溫度范圍寬（50℃）。聚甲醛的不足之處在于：由受強(qiáng)酸腐蝕，耐候差，粘合性差，熱分解與軟化溫度接近，限氧指數(shù)小。杭州煤制POM聚甲醛在遇到光、氧的條件下還會(huì)發(fā)生老化的現(xiàn)象。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京透明POM銷(xiāo)售,POM" src="https://tyunfile.71360.com/UploadFile/szjingsumi/637387288163318668/8954645.png"></div><p style="text-indent:25px">理化性質(zhì): 聚甲醛是一種沒(méi)有側(cè)鏈，高密度，高結(jié)晶性的線性聚合物，具有優(yōu)異的綜合性能。聚甲醛是一種表面光滑，有光澤的硬而致密的材料，淡黃或白色，可在-40-100°C溫度范圍內(nèi)長(zhǎng)期使用。它的耐磨性和自潤(rùn)滑性也比絕大多數(shù)工程塑料優(yōu)越，又有良好的耐油，耐過(guò)氧化物性能。很不耐酸，不耐強(qiáng)堿和不耐太陽(yáng)光紫外線的輻射。聚甲醛的拉伸強(qiáng)度達(dá)70MPa，吸水性小，尺寸穩(wěn)定，有光澤，這些性能都比尼龍好，聚甲醛為高度結(jié)晶的樹(shù)脂，在熱塑性樹(shù)脂中是zui堅(jiān)韌的。具抗熱強(qiáng)度，彎曲強(qiáng)度，耐疲勞性強(qiáng)度均高，耐磨性和電性能優(yōu)良。</p><p style="text-indent:25px">功能化改性（方向和熱點(diǎn)）：提高摩擦磨損性能：在聚甲醛樹(shù)脂中加入有機(jī)油或硅油、聚四氟乙烯（PTFE）或二硫化鉬，可以達(dá)到降**品表面摩擦系數(shù)及磨損率的作用。潤(rùn)滑聚甲醛zui適用于機(jī)械、電子電器用零件的傳動(dòng)部位材料，如齒輪、滾輪、凸輪、連桿類(lèi)制品。 ① 添加PTFE、PE、UHMWPE 等自身摩擦系數(shù)較低的結(jié)晶性高分子材料。 ② 添加玻纖、碳纖等纖維狀材料。 ③ 添加硅油、礦物油、油脂等潤(rùn)滑油及潤(rùn)滑脂類(lèi)。 ④ 添加MoS2 、石墨等無(wú)機(jī)粉類(lèi)潤(rùn)滑材料。 ⑤ 利用接枝、嵌段等手段在POM 分子鏈上引入具有潤(rùn)滑性的鏈段。聚甲醛發(fā)現(xiàn)分解的預(yù)兆后，馬上對(duì)空注出巳分解的物料，分析原因，采取措施。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京透明POM銷(xiāo)售,POM" src="https://tyunfile.71360.com/UploadFile/szjingsumi/637387288066131190/4300719.png"></div><p style="text-indent:25px">聚甲醛簡(jiǎn)介：聚甲醛（POM）又名縮醛樹(shù)脂、聚氧亞甲基，按分子鏈結(jié)構(gòu)的不同，分為均聚甲醛和共聚甲醛。聚甲醛是一種綜合性能優(yōu)良的熱塑性工程塑料，為五大工程塑料之一。聚甲醛質(zhì)輕，比強(qiáng)度、比剛度與金屬類(lèi)似，是工程塑料中力學(xué)性能zui接近金屬材料的一種工程塑料，被稱為“塑料中的金屬”，也被譽(yù)為“超鋼”、“賽鋼”、“奪鋼”等。聚甲醛為線性結(jié)構(gòu)聚合物，分子結(jié)構(gòu)規(guī)整性高，機(jī)械性能十分優(yōu)異，具有良好的自潤(rùn)滑性、耐疲勞性、抗蠕變性、吸水性小、耐磨性、耐腐蝕性等優(yōu)良性能，同時(shí)還有較好的耐化學(xué)品性、耐電弧性、著色性等。聚甲醛在很多場(chǎng)合是可替代黃銅、鋅、鋁和鋼等金屬制作的部件，普遍應(yīng)用于工業(yè)機(jī)械、汽車(chē)、電子電器、日用品、管道及配件、精密儀器和建材等領(lǐng)域。聚甲醛流動(dòng)性中等，溢出值為0.04mm。流動(dòng)性對(duì)溫度變化不敏感，但對(duì)注射壓力的變化敏感。南京透明POM銷(xiāo)售</p><p style="text-indent:25px">聚甲醛材料的熱穩(wěn)定性相對(duì)來(lái)講是很差的，它在加熱時(shí)受其溫度的影響容易分解。南京透明POM銷(xiāo)售</p><p style="text-indent:25px">用于注射成型、注塑成型和擠出成型的縮醛樹(shù)脂都可買(mǎi)到。在加工過(guò)程中重要的是不要超溫或由于產(chǎn)生甲醛而引起的嚴(yán)重超壓。聚合物在關(guān)機(jī)前應(yīng)清洗干凈，以免在啟動(dòng)過(guò)程中過(guò)熱?？s醛樹(shù)脂應(yīng)在干燥的地方儲(chǔ)存。縮醛樹(shù)脂的表觀粘度對(duì)剪切應(yīng)力和溫度的依賴性比聚烯烴小，但是其熔體卻具有低彈性和低強(qiáng)度。低的熔體強(qiáng)度是應(yīng)用吹塑成型時(shí)存在的一個(gè)問(wèn)題。對(duì)吹塑成型來(lái)說(shuō)，帶有支鏈結(jié)構(gòu)的共聚物更適用。結(jié)晶速度很快，模塑后收縮可在成型后的48h內(nèi)完成。由于快速結(jié)晶很難制得透明薄膜。美國(guó)和加拿大l997年縮醛樹(shù)脂的市場(chǎng)需求量為3.68億lb?？s醛樹(shù)脂的應(yīng)用包括：齒輪、輥筒、管道部件、泵零件、風(fēng)扇葉片、吹塑膜制的空氣溶膠容器、模制鏈輪和鎖鏈，它經(jīng)常用以直接取代金屬。縮醛樹(shù)脂主要用于注射成型，其次用于擠出板材和棒材?？s醛樹(shù)脂的低摩擦系數(shù)使之可用以制造良好的軸承。南京透明POM銷(xiāo)售</p><p style="text-indent:25px">蘇州晶塑米新材料有限公司總部位于陸家鎮(zhèn)陸豐東路3號(hào)仕泰隆模具城17-8號(hào)，是一家經(jīng)營(yíng)范圍如下：通用塑膠原料：ABS、PMMA、SAN（AS）、PP等。工程塑膠原料：PC、PC/ABS、PPO、PPE、POM、PA6、PA66、PA46、PA9T、PA6T、PA12、PA11、PBT、PET、ASA等。特種工程塑膠原料：PPS、LCP、PEI、PPA等。熱塑性彈性體：TPU、K膠、EVA、POE；TPR、TPE、SBS、SEBS、TPEE、TPV適用于運(yùn)動(dòng)器材、玩具、手柄、汽車(chē)方向盤(pán)、電動(dòng)工具握把、箱包、日用工具手把、牙刷、密封圈等行業(yè)。的公司。蘇州晶塑米深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的PA66，PC，POM，PLA。蘇州晶塑米不斷開(kāi)拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。蘇州晶塑米創(chuàng)始人李麗，始終關(guān)注客戶，創(chuàng)新科技，竭誠(chéng)為客戶提供良好的服務(wù)。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2161283.html</p></div></div></div></div></div><div id="yysk4kw" class="page-right twoColRt"><div id="lvszjfh" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rgif4ax" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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