浙江老牌的PC商家誠(chéng)信服務(wù) 蘇州金鑰匙塑化供應(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=" 由于塑料具有重量輕、韌性好、成型易、成本低等優(yōu)點(diǎn)，因此在現(xiàn)代工業(yè)和日用產(chǎn)品中，塑料被越來(lái)越多的用來(lái)代替玻璃，特別是在光學(xué)儀器和包裝工業(yè)的應(yīng)用方面發(fā)展尤為迅速。但是這往往要求所用的塑料必須具有透"><meta name="keywords" content="浙江老牌的PC商家,PC"><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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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="kbn4ot7" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/13773016033/637428995133225573/4974988.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="swdsoac" 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>浙江老牌的PC商家,PC</p><p><span>***更新：</span>2021-01-17 03:16:21</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="zyuz8ya" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">蘇州金鑰匙塑化有限公司</a></p><p><span>聯(lián)系人：</span>陳偉</p><p><span>郵箱: </span>15150303853@163.com</p><p><span>電話(huà): </span>13773016033</p><p><span>傳真: </span>0512_</p><p><span>網(wǎng)址: </span>http://13773016033.shop.88360.com</p><p><span>手機(jī): </span>0512-53128459</p><p><span>地址: </span>浮橋鎮(zhèn)新港中路2號(hào)8-5幢09室</p><p>[當(dāng)前離線(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="maxzbip" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="33qxewy" class="box"><p><p> 由于塑料具有重量輕、韌性好、成型易、成本低等優(yōu)點(diǎn)，因此在現(xiàn)代工業(yè)和日用產(chǎn)品中，塑料被越來(lái)越多的用來(lái)代替玻璃，特別是在光學(xué)儀器和包裝工業(yè)的應(yīng)用方面發(fā)展尤為迅速。但是這往往要求所用的塑料必須具有透明性要好，耐磨性高，抗沖擊韌件好等特點(diǎn)，浙江老牌的PC商家，因此對(duì)塑料的成份，注塑整個(gè)過(guò)程的工藝、設(shè)備、模具等，都提出了很高的要求，以保證這些用于代替玻璃的塑料（以下簡(jiǎn)稱(chēng)透明塑料），表面質(zhì)量良好，從而達(dá)到使用的要求。目前市場(chǎng)上一般使用的透明塑料有聚甲基丙烯酸甲酯（即俗稱(chēng)亞克力或有機(jī)玻璃，代號(hào)PMMA）、聚碳酸酯（代號(hào)PC）、聚對(duì)苯二甲酸乙二醇脂（代號(hào)PET）、透明尼龍、AS（丙烯睛一苯乙烯共聚物）、聚砜（代號(hào)PSF）等，其中我們接觸得**多的是PMMA、PC和PET三種塑料，由于篇幅有限，下面就以這三種塑料為例，討論透明塑料的特性和注塑工藝。一、透明塑料的性能透明塑料首先必須有高透明度，其次要有一定的強(qiáng)度和耐磨性，浙江老牌的PC商家，能抗沖擊，耐熱性要好，耐化學(xué)性要優(yōu)，吸水率要小，只有這樣才能在使用中，滿(mǎn)足透明度的要求而性能穩(wěn)定，PMMA、PC和PET的性能對(duì)比如下表所示，浙江老牌的PC商家。注：因品種繁多，這只是取平均值，實(shí)際不同品種數(shù)據(jù)有異。PET數(shù)據(jù)（機(jī)械方面）為經(jīng)拉伸后的數(shù)據(jù)。PC 韓國(guó)LG，1201-15,1201-08，透明級(jí)，耐高溫，阻燃V0，高抗沖，食品級(jí)，耐熱，電子電器，薄膜級(jí)。浙江老牌的PC商家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江老牌的PC商家,PC" src="https://tyunfile.71360.com/UploadFile/13773016033/637428995133225573/4974988.png"></div><p> PC增材制造燈具已實(shí)現(xiàn)量產(chǎn)盛禧奧放棄出售德國(guó)PC業(yè)務(wù)支持向更產(chǎn)業(yè)銷(xiāo)售增長(zhǎng)SABIC推出可涂裝PC化合物JSW（日鋼）PC注塑仿玻璃手機(jī)外殼（現(xiàn)場(chǎng)視頻）高性能PC薄膜供不應(yīng)求，科思創(chuàng)再投1億歐元擴(kuò)充產(chǎn)能PC注塑外殼大潮將至，三景|通達(dá)|碩貝德等加工企業(yè)大盤(pán)點(diǎn)Sabic聚碳酸酯又宣布漲價(jià)??！國(guó)產(chǎn)PC三劍客都有誰(shuí)？中國(guó)在產(chǎn)PC項(xiàng)目一覽，帝人、科思創(chuàng)、浙鐵大風(fēng)、中石化、三菱······2018年1月8日起，SABIC的PC、PC/ABS等暴漲500美金！2017，帝人、科思創(chuàng)、住友化學(xué)、SABIC在汽車(chē)領(lǐng)域都推出了哪些PC新品？科思創(chuàng)：創(chuàng)新PC材料在汽車(chē)行業(yè)中掀起一波巨浪，開(kāi)啟外飾新世界從帝人看PC、PC/ABS熱點(diǎn)發(fā)展方向帝人公司開(kāi)發(fā)全球模壓成型聚碳酸酯（PC）無(wú)A柱汽車(chē)前窗聚焦：科思創(chuàng)彈性體漲價(jià)|寧煤推出紡絲級(jí)POM|曉星欲在伊朗設(shè)PP廠(chǎng)【精彩回顧】金發(fā)科技高層解讀PP產(chǎn)業(yè)鏈，不可錯(cuò)過(guò)的行業(yè)資料！超高折射率及耐熱PC——帝人新一輪“鏡片”狂潮LG化學(xué)推出含硅的共聚PC，超耐低溫！奧迪、大眾等車(chē)內(nèi)門(mén)把手為何選用電鍍級(jí)PC/ABS？原創(chuàng)金發(fā)科技高層解讀PP產(chǎn)業(yè)鏈，非常棒的資料新聞資訊調(diào)整產(chǎn)業(yè)結(jié)構(gòu)神馬股份擬投資。嘉興哪家PC是什么材料沙伯基礎(chǔ)（原GE）**度，家用電器，透明，耐候，薄膜級(jí)，電線(xiàn)電纜，尺寸穩(wěn)定性良好，抗沖擊性，照明工具。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江老牌的PC商家,PC" src="https://tyunfile.71360.com/UploadFile/13773016033/637428995080745118/265192.png"></div><p> 回顧PC原料市場(chǎng)，自9月始一直到現(xiàn)在，停工令！漲價(jià)函！裝置停產(chǎn)！事故頻發(fā)……聚碳酸酯價(jià)格聽(tīng)到**多一句話(huà)還是"又漲價(jià)了！"。從一開(kāi)始只是以為是階段性的躁動(dòng)，沒(méi)想到后來(lái)已漲成趨勢(shì)。這一連串的操作讓整個(gè)市場(chǎng)，就像一匹脫韁的野馬，拉都拉不?。《坪蹙驮?**，PC市場(chǎng)迎來(lái)大轉(zhuǎn)變：原料貿(mào)易商拋貨，原料跌800-1000元/噸，市場(chǎng)無(wú)價(jià)格？影響因素上游動(dòng)態(tài)：昨日國(guó)內(nèi)雙酚A市場(chǎng)高位震蕩，供貨方報(bào)價(jià)窄幅震蕩，下游廠(chǎng)家抵觸高價(jià)，跟進(jìn)有限，場(chǎng)內(nèi)交投清淡。庫(kù)存供應(yīng)：PC行業(yè)廠(chǎng)家裝置逐漸恢復(fù)正常運(yùn)行，開(kāi)工高位。下游需求：目前市場(chǎng)價(jià)格創(chuàng)近兩年**高水平，下***業(yè)成本壓力巨大，下游廠(chǎng)商剛需跟進(jìn)滯緩，場(chǎng)內(nèi)交投小單為主，或場(chǎng)外觀(guān)望等待為主。后市預(yù)測(cè)當(dāng)前國(guó)內(nèi)PC市場(chǎng)寬幅下跌，原料雙酚A上漲受限，場(chǎng)內(nèi)供貨方讓利出貨意向增強(qiáng)，商談重心下行。場(chǎng)內(nèi)交投節(jié)奏較快，現(xiàn)貨供不應(yīng)求。下游及終端廠(chǎng)家詢(xún)盤(pán)積極性較高，部分有囤貨意向！恰逢·感恩之日·，上海綠澳：感恩與您相遇，讓我們前進(jìn)的道路更有意義！感恩您的信賴(lài)，筆筆訂單皆是我們用心之作！未來(lái)的時(shí)間里，盼與您"攜手共進(jìn)。</p><p> 曾經(jīng)材料行業(yè)的幾篇關(guān)于pc材料杯子安全性的文章，引起了眾多網(wǎng)友的恐慌，很多人都查閱了一堆資料，但是都得不到一個(gè)詳細(xì)的解釋?zhuān)F(xiàn)在關(guān)于pc材料的杯子裝開(kāi)水有沒(méi)有毒的疑惑，UTPE彈性體平臺(tái)**在線(xiàn)給大家科普一下。首先認(rèn)識(shí)一下pc材料是什么？PC就是聚碳酸酯，是比較常見(jiàn)的塑料材料之一，材料其實(shí)本身是無(wú)毒的，一般用于制造奶瓶、太空杯等，但因其含有雙酚A而備受爭(zhēng)議。理論上只要在制作PC的過(guò)程中雙酚A完全轉(zhuǎn)化成塑料結(jié)構(gòu)，制品就不會(huì)存在雙酚A，也就也就無(wú)毒的，對(duì)健康沒(méi)有威脅。假若有少量雙酚A沒(méi)有轉(zhuǎn)化成PC的塑料結(jié)構(gòu)，則可能會(huì)滲入食物或飲品中威脅使用者，特別是青少年的健康安全。pc材料的杯子裝開(kāi)水一般是沒(méi)問(wèn)題的，為什么？因?yàn)橐话愕腜C材質(zhì)的塑料杯可以耐-45℃-135℃的溫度，開(kāi)水一般都在這個(gè)區(qū)間內(nèi)，所以比較安全。但這是材料的物理性能，只是說(shuō)這種材料在這種溫度下使用是不會(huì)開(kāi)裂熔化。但是當(dāng)我們從食品安全角度出發(fā)會(huì)發(fā)現(xiàn)，隨著溫度愈高，PC中殘留的雙酚A釋放量會(huì)愈多，而且速度也愈快，所以PC之所以會(huì)存在健康威脅是因?yàn)樵诟邷貢r(shí)它會(huì)釋放雙酚A，那么這讓人“聞之色變”的雙酚A到底是何方神圣呢?雙酚A(BPA)在工業(yè)上常被用來(lái)合成PC和環(huán)氧樹(shù)脂等材料。PC 日本三菱，S-3000UR, 碳纖增強(qiáng)，阻燃，高流動(dòng)，光擴(kuò)散，汽車(chē)部件，電子電器，耐高溫，耐候。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江老牌的PC商家,PC" src="https://tyunfile.71360.com/UploadFile/13773016033/637428994965491188/3454974.png"></div><p> 是重要的工程塑料。但聚碳酸酯易應(yīng)力開(kāi)裂，受熱時(shí)易水解，加工前應(yīng)充分干燥。聚碳酸酯的制法有酯交換法。（1）酯交換法原理與生產(chǎn)滌綸聚酯的酯交換法相似。雙酚A與碳酸二苯酯熔融縮聚，進(jìn)行酯交換，在高溫減壓條件下不斷排除***，提高反應(yīng)程度和分子量。酯交換法需用催化劑，分兩個(gè)階段進(jìn)行：***階段，溫度180—200℃，壓力270—400Pa，反應(yīng)1—3h，轉(zhuǎn)化率為80%—90%；第二階段，290—300℃，130Pa以下，加深反應(yīng)程度。起始碳酸二苯酯應(yīng)過(guò)量，經(jīng)酯交換反應(yīng)，排出***，由***排出量來(lái)調(diào)節(jié)兩基團(tuán)數(shù)比，控制分子量。***沸點(diǎn)高，從高粘熔體中脫除并不容易。與滌綸聚酯相比，聚碳酸酯的熔體粘度要高得多，例如分子量3萬(wàn)，300℃時(shí)的粘度達(dá)600Pa·s，對(duì)反應(yīng)設(shè)備的攪拌混合和傳熱有著更高的要求。因此，酯交換法聚碳酸酯的分子量受到了限制，多不超出3萬(wàn)。（2）直接法屬于酰氯，活性高，可以與羥基化合物直接酯化。合成聚碳酸酯多采用界面縮聚技術(shù)。雙酚A和***配成雙酚鈉水溶液作為水相，有機(jī)溶液（如***）為另一相，以胺類(lèi)（如四丁基***化銨）作催化劑，在50℃下反應(yīng)。反應(yīng)主要在水相一側(cè)，反應(yīng)器內(nèi)的攪拌要保證有機(jī)相中及時(shí)地?cái)U(kuò)散至界面，以供反應(yīng)。直接法比酯交換法經(jīng)濟(jì)。沙伯基礎(chǔ)（原GE）940A-116, 141R-111,121R-111，抗沖擊性，照明工具。淮安哪里的PC科思創(chuàng)</p><p style="text-indent:25px">PC 日本三菱，光擴(kuò)散，汽車(chē)部件，電子電器，耐高溫，通用級(jí)，照明燈具，低粘度，耐候。浙江老牌的PC商家</p><p> 而和非流動(dòng)取向產(chǎn)生折光率不同而生閃光絲紋，當(dāng)其擴(kuò)展后，可能使產(chǎn)品出現(xiàn)裂紋。除了在注塑工藝和模具上注意外，產(chǎn)品**好作退火處理；如PC料可加熱到160℃以上保持3－5分鐘，再自然冷卻即可。2、氣泡：主于樹(shù)脂內(nèi)的水氣和其他氣體排不出去，（在模具冷凝過(guò)程中）或因充模不足，冷凝表面又過(guò)快冷凝而形成"真空泡"。其克服方法見(jiàn)下表。3、表面光澤差：由于模具粗糙度大，另一方面冷凝過(guò)早，使樹(shù)脂不能復(fù)印模具表面的狀態(tài)，所有這些都使其表面產(chǎn)生微小凹凸不平，而使產(chǎn)品失去光澤。其克服方法見(jiàn)下表。4、震紋：是指從直澆口為中心形成的密集波紋，其原因是熔體粘度過(guò)大，前端料已在型腔冷凝，后來(lái)料又沖破此冷凝面，而使表面出現(xiàn)震紋。其克服方法見(jiàn)下表。5、泛白、霧暈：主要由于在空氣中灰塵落入原料之中或原料含水量太大而引起的。其克服方法見(jiàn)下表。6、白煙、黑點(diǎn)：主要由于塑料在機(jī)筒內(nèi)，因局部過(guò)熱而使機(jī)筒樹(shù)脂產(chǎn)生分解或變質(zhì)而形成的。其克服方法見(jiàn)下表。浙江老牌的PC商家</p><p style="text-indent:25px">蘇州金鑰匙塑化有限公司致力于橡塑，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。金鑰匙塑化擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專(zhuān)業(yè)研發(fā)團(tuán)隊(duì)，以高度的專(zhuān)注和執(zhí)著為客戶(hù)提供DMDA-8008H，奇美 PA-765A，杜邦101L NC010， PC 科思創(chuàng) 2805。金鑰匙塑化繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長(zhǎng)，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。金鑰匙塑化始終關(guān)注橡塑市場(chǎng)，以敏銳的市場(chǎng)洞察力，實(shí)現(xiàn)與客戶(hù)的成長(zhǎng)共贏。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2880173.html</p></div></div></div></div></div><div id="2nzbtfr" class="page-right twoColRt"><div id="lf7tv3v" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="odv8gco" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="lfmofm3" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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