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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ynugx3c" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szjingsumi/637387288132771805/7721743.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="wl87kwd" class="content"><p><span>需求數(shù)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(chǎn)品關鍵詞：</span>蘇州銅基POM哪家好,POM</p><p><span>***更新：</span>2020-11-27 05:21:25</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="fk8xdk8" 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: </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="ftvcjv2" class="page-proshow02"><p class="title">詳細說明</p><div id="onzgxeq" class="box"><p><p style="text-indent:25px">聚甲醛增強改性：在聚甲醛增強改性中常使用玻璃纖維、碳纖維、玻璃微珠、碳酸鈣、二氧化鈦、碳化硅、鈦酸鉀晶須等填料，以進一步改變聚甲醛剛性、尺寸穩(wěn)定性、耐疲勞性、耐蠕變性和力學性能等。國際上，塞拉尼斯、杜邦，蘇州銅基POM哪家好、寶理等公司在聚甲醛的增強改性方面處于**地位，蘇州銅基POM哪家好。聚甲醛增韌改性：添加彈性體可以提高聚甲醛的韌性，聚甲醛與彈性體共混，如聚氨酯彈性體TPU、乙丙橡膠EPDM、順丁橡膠BR、丁苯橡膠SBR、丙烯酸酯、尼龍以提高聚甲醛的韌性。其他常見共混體系有聚甲醛/樹脂增韌、聚甲醛/無機剛性粒子增韌體系，蘇州銅基POM哪家好。聚甲醛除了酸性物質耐受性差以外，對大部分的化學試劑耐受性都非常好。蘇州銅基POM哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州銅基POM哪家好,POM" src="https://tyunfile.71360.com/UploadFile/szjingsumi/637387288132771805/7721743.png"></div><p style="text-indent:25px">聚甲醛改性的進展：均聚甲醛密度、結晶度、熔點較共聚甲醛高，但其熱穩(wěn)定性、酸堿穩(wěn)定性較共聚甲醛低。近年來為了改進聚甲醛性能、擴大其應用領域，國內外研究人員對其進行了不同方向的改性研究。其中研究人員在聚甲醛的增韌方面采用了彈性體增韌、樹脂增韌和無機剛性粒子增韌方法進行改性。在耐磨改性方面采用了耐磨高聚物改性、潤滑油/油脂/復合潤滑劑改性和無機潤滑劑改性的方法進行改性。 21世紀以前我國聚甲醛工業(yè)發(fā)展比較緩慢，聚甲醛改性研究及其成果較少。隨著近年我國聚甲醛工業(yè)的快速發(fā)展，改性聚甲醛研究進展較快，跟蹤世界聚甲醛改性研究的前沿我國聚甲醛的生產(chǎn)和研究機構都取得了豐碩的成果。從應用方向上說聚甲醛改性研究方向13-14有增強改性、增韌改性、耐磨改性、阻燃改性、導電功能改性、超細復合粉體改性等方面。無錫高分子POM廠商聚甲醛材料的熱穩(wěn)定性相對來講是很差的，它在加熱時受其溫度的影響容易分解。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州銅基POM哪家好,POM" src="https://tyunfile.71360.com/UploadFile/szjingsumi/637387288301697668/3489607.png"></div><p style="text-indent:25px">結構: 聚甲醛的分子是一種沒有側鏈的高密度、高結晶性的線型聚合物。由于C-O鍵的鍵長小于C-C鍵，因此聚甲醛鏈軸方向的填充密度大。與聚乙烯相比，聚甲醛的碳氧鍵短，內聚能密度高，密度大。按其分子鏈中化學結構的不同，可分為均聚甲醛和共聚甲醛兩種。兩者的重要區(qū)別是：均聚甲醛密度、結晶度、熔點都高，但熱穩(wěn)定性差，加工溫度范圍窄（約10℃），對酸堿穩(wěn)定性略低；而共聚甲醛密度、結晶度、熔點、強度都較低，但熱穩(wěn)定性好，不易分解，加工溫度范圍寬（約50℃），對酸堿穩(wěn)定性較好。是具有優(yōu)異的綜合性能的工程塑料。有良好的物理、機械和化學性能，尤其是有優(yōu)異的耐摩擦性能。俗稱賽鋼或奪鋼，為第三大通用塑料。適于制作減磨耐磨零件,傳動零件,以及化工,儀表等零件。</p><p style="text-indent:25px">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溫度范圍內長期使用。它的耐磨性和自潤滑性也比絕大多數(shù)工程塑料優(yōu)越，又有良好的耐油，耐過氧化物性能。很不耐酸，不耐強堿和不耐月光紫外線的輻射。聚甲醛的拉伸強度達70MPa，吸水性小，尺寸穩(wěn)定，有光澤，這些性能都比尼龍好，聚甲醛為高度結晶的樹脂，在熱塑性樹脂中是zui堅韌的。具抗熱強度，彎曲強度，耐疲勞性強度均高，耐磨性和電性能優(yōu)良。提高聚甲醛的耐候性：在聚甲醛中加入抗氧劑及光穩(wěn)定劑可以提高聚甲醛的耐候性。針對POM受紫外線照射易發(fā)生白化、龜裂等缺點，一些科研機構紛紛開發(fā)出耐候型品種，以滿足汽車內外裝飾材料的要求。導電、抗靜電聚甲醛：采用加入炭黑、碳纖維、不銹鋼纖維等導電填充料的方法，可以提高聚甲醛導電性能。在聚甲醛中加入特殊的抗靜電劑則可使聚甲醛具有抗靜電性，減少其在電子領域應用時因灰塵、碎屑積聚及靜電荷產(chǎn)生的干擾。聚甲醛建議將模具溫度控制在80-100°C(通常輸送熱油)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州銅基POM哪家好,POM" src="https://tyunfile.71360.com/UploadFile/szjingsumi/637387288223592211/5736543.png"></div><p style="text-indent:25px">用途：普遍用于制造各種滑動、轉動機械零件，做各種齒輪、杠桿、滑輪、鏈輪，特別適宜做軸承，熱水閥門、精密計量閥、輸送機的鏈環(huán)和輥子、流量計、汽車內外部把手、曲柄等車窗轉動機械，油泵軸承座和葉輪燃氣開關閥、電子開關零件、緊固體、接線柱鏡面罩、電風扇零件、加熱板、儀表鈕；錄音錄像帶的軸承；各種管道和農(nóng)業(yè)噴灌系統(tǒng)以及閥門、噴頭、水龍頭、洗浴盆零件；開關鍵盤、按鈕、音像帶卷軸；溫控定時器；動力工具，庭園整理工具零件；另外可作為沖浪板、帆船及各種雪撬零件，手表微型齒輪、體育用設備的框架輔件和背包用各種環(huán)扣、緊固件、打火機、拉鏈、扣環(huán)；醫(yī)療器械中的心臟起博器；人造心臟瓣膜、頂椎、假肢等。用于化工、制藥等化學合成及使用無水甲醛作原料的合成方面。聚甲醛與聚乙烯相比，聚甲醛的碳氧鍵短，內聚能密度高，密度大。蘇州功能性POM價格</p><p style="text-indent:25px">聚甲醛在加工過程中重要的是不要超溫或由于產(chǎn)生甲醛而引起的嚴重超壓。蘇州銅基POM哪家好</p><p style="text-indent:25px">功能化改性（方向和熱點）：提高摩擦磨損性能：在聚甲醛樹脂中加入有機油或硅油、聚四氟乙烯（PTFE）或二硫化鉬，可以達到降**品表面摩擦系數(shù)及磨損率的作用。潤滑聚甲醛zui適用于機械、電子電器用零件的傳動部位材料，如齒輪、滾輪、凸輪、連桿類制品。 ① 添加PTFE、PE、UHMWPE 等自身摩擦系數(shù)較低的結晶性高分子材料。 ② 添加玻纖、碳纖等纖維狀材料。 ③ 添加硅油、礦物油、油脂等潤滑油及潤滑脂類。 ④ 添加MoS2 、石墨等無機粉類潤滑材料。 ⑤ 利用接枝、嵌段等手段在POM 分子鏈上引入具有潤滑性的鏈段。蘇州銅基POM哪家好</p><p style="text-indent:25px">蘇州晶塑米新材料有限公司是一家經(jīng)營范圍如下：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適用于運動器材、玩具、手柄、汽車方向盤、電動工具握把、箱包、日用工具手把、牙刷、密封圈等行業(yè)。的公司，致力于發(fā)展為創(chuàng)新務實、誠實可信的企業(yè)。蘇州晶塑米深耕行業(yè)多年，始終以客戶的需求為向導，為客戶提供***的PA66，PC，POM，PLA。蘇州晶塑米不斷開拓創(chuàng)新，追求出色，以技術為先導，以產(chǎn)品為平臺，以應用為重點，以服務為保證，不斷為客戶創(chuàng)造更高價值，提供更優(yōu)服務。蘇州晶塑米始終關注橡塑行業(yè)。滿足市場需求，提高產(chǎn)品價值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2162745.html</p></div></div></div></div></div><div id="crt3vhe" class="page-right twoColRt"><div id="azgs8w8" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="qubsp3u" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應" class="vcenter" 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