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href="http://www.cdcfah.com/cp/third-xiangsu_qtslzp/">其他塑料制品</a>?龍華電器鏡片面板品質(zhì)保障深圳市佶利科技供應(yīng)</p><div id="3ip2n8h" class="leftbox clearfix"><h1>龍華電器鏡片面板品質(zhì)保障深圳市佶利科技供應(yīng)</h1><div id="aokgsi3" class="proBig"><div id="3pq38x4" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914830664063/5730110.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="332gawn" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914830664063/5730110.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="wpwneam" 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>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>龍華電器鏡片面板品質(zhì)保障,鏡片面板</p><p><span>***更新：</span>2021-01-21 05:05:27</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="t8xdu3i" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市佶利科技有限公司</a></p><p><span>聯(lián)系人：</span>江小姐</p><p><span>郵箱: </span>360581031@qq.com</p><p><span>電話: </span>13928444710</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0755-81471926</p><p><span>地址: </span>觀瀾街道廣培社區(qū)木頭湖517號(hào)201-1</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="obseftd" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="8zamyuk" class="box"><p><p> 光學(xué)鏡片的特點(diǎn)有哪些。 </p> <p> 無(wú)機(jī)物：低分子單體以分子鍵相互間結(jié)合. </p> <p> A.比重高（密度大）：即單位體積所含分子數(shù)量多，因此在配戴時(shí)感覺(jué)沉重。 </p> <p> B.折射率相對(duì)高：普通片為1.523，超薄片為：1.72以上，比較高可達(dá)1.9。 </p> <p> C.硬度高：要用鉆石切割，表面不容易被硬物劃傷。 </p> <p> D.無(wú)彈性：斷裂、伸拉彈性為零，容易遇到突發(fā)性外力發(fā)生粉碎性破碎，容易對(duì)眼睛造成意外傷害。 </p> <p> E，龍華電器鏡片面板品質(zhì)保障.輔助功能：可進(jìn)行多種良好的功能化添加處理，使鏡片具有防有害射線、變色等功能。 </p> <p> F，龍華電器鏡片面板品質(zhì)保障.加工性：一般.不能進(jìn)行滲透性染色；難于用玻璃鏡片進(jìn)行無(wú)框，龍華電器鏡片面板品質(zhì)保障、半框的加工以及在周圍高溫的影響下顏色變淡，這兩個(gè)過(guò)程是可逆的，而且可能一直存在。龍華電器鏡片面板品質(zhì)保障</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="龍華電器鏡片面板品質(zhì)保障,鏡片面板" src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914830664063/5730110.png"></div><p> 高折射率玻璃鏡片歷史變化： </p> <p> n 1975年生產(chǎn)出含鈦元素的鏡片，折射率為1.7，阿貝數(shù)為41； </p> <p> n 1990年又生產(chǎn)出了含鑭元素的鏡片，折射率為1.8，阿貝數(shù)為34； </p> <p> n 1995年出現(xiàn)折射率為1.9的材料，加入了元素鈮，阿貝數(shù)為30，這是目前折射率比較高的鏡片材料。 </p> <p> n 雖然采用這些材料所制造的鏡片越來(lái)越薄，然而卻沒(méi)有減少鏡片的另一重要參數(shù)：重量，其實(shí)實(shí)際上，隨著折射率的增加，材料的比重也隨之增加，這樣就抵消了因?yàn)殓R片變薄而帶來(lái)的重量上的減輕。龍崗玻璃鏡片面板PC/ABS這種混合材料還顯示了優(yōu)異的流動(dòng)特性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="龍華電器鏡片面板品質(zhì)保障,鏡片面板" src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914990498047/2097805.png"></div><p> 3，樹(shù)脂面板鏡片介紹及發(fā)展 </p> <p> 1940年***制成熱塑性塑料鏡片（壓克力） </p> <p> } 1942年，美國(guó)匹茲堡平板玻璃公司，為美國(guó)航天局制作航天飛機(jī)坐 </p> <p> 倉(cāng)中材料時(shí)發(fā)明CR-39材料，（C**Columbia哥倫比亞，R** </p> <p> Resin樹(shù)脂）——烯丙基二甘醇碳酸酯 </p> <p> } 按性能分: </p> <p> 熱固性——加熱后硬化，受熱不變形。 </p> <p> 熱塑性——加熱后軟化，適合于熱塑和注塑 </p> <p> } 按材料分: </p> <p> 聚甲基丙烯酸（壓克力，ACRYLIC LENS） </p> <p> 聚碳酸酯（PC） </p> <p> 丙烯基二甘醇碳酸酯（CR39） </p> <p> （1）克服材料耐磨性，80年代中期，鏡片表面加硬技術(shù)成功； </p> <p> ? 普通樹(shù)脂片，表面硬度為2-3H，經(jīng)過(guò)加硬處理后可達(dá)到4-5H。 </p> <p> ? 目前許多公司推出達(dá)到6-7H的超硬樹(shù)脂鏡片 </p> <p> ? （2）為減少鏡片厚度，不同折射率的樹(shù)脂鏡片研制成功 </p> <p> ? 1985年 1.56 中折樹(shù)脂片 </p> <p> ? 1988年 1.60 超薄樹(shù)脂片 </p> <p> ? 1988年 1.61 </p> <p> ? 1992年 1.67 超超薄樹(shù)脂片 </p> <p> ? 1998年 1.71 </p> <p> ? 現(xiàn)在**薄可做到1.76雙非球面 </p><p style="text-indent:25px"> 亞克力鏡片與玻璃鏡片發(fā)展趨勢(shì)誰(shuí)更有力？亞克力，被稱為“塑料皇后”，因?yàn)閬喛肆哂匈|(zhì)輕、價(jià)廉，易于成型等優(yōu)點(diǎn)。它的成型方法有澆鑄，射出成型，機(jī)械加工、亞克力熱成型等。尤其是射出成型，可以大批量生產(chǎn)，制程簡(jiǎn)單，成本低。因此，目前它***用于儀器儀表零件、汽車車燈、光學(xué)鏡片、透明管道等。但亞克力對(duì)于未來(lái)要求更高的手機(jī)及平板電腦鏡片來(lái)說(shuō)，就比較顯拙，特別是現(xiàn)世風(fēng)日下的觸控?cái)?shù)碼產(chǎn)品，玻璃類產(chǎn)品主要為超薄玻璃（），經(jīng)過(guò)玻璃開(kāi)片、仿型磨邊、拋光、硬化、超聲清洗、真空鍍膜、絲印等一系列特殊加工工藝制作而成的產(chǎn)品。它具有美化裝飾和保護(hù)的功能。有些普通玻璃做的產(chǎn)品，搬家的時(shí)候因?yàn)橹?，帶又不方便，丟了又可惜，而拿去賣廢品也賣不到好價(jià)錢。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="龍華電器鏡片面板品質(zhì)保障,鏡片面板" src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914445087891/9699847.png"></div><p> 鏡片的熱性質(zhì)和電性質(zhì) </p> <p> 熱性質(zhì)描述了關(guān)于材料的變化狀態(tài)以及溫度影響下的特性。 </p> <p> 熱性質(zhì)主要包括：1、熱傳導(dǎo)系數(shù)。2、比熱：物體溫度每升高一攝氏度所需的熱量與相同質(zhì)量的水溫每升高一攝氏度所需的熱量的比值。3、線性膨脹系數(shù)：預(yù)先設(shè)定的溫度范圍。4、熔點(diǎn)：物理常數(shù)。5、沸點(diǎn)。?6、鏡片的應(yīng)力溫度。 </p> <p> <br /> </p> <p> 電性質(zhì)表示了材料電磁波和電效應(yīng)的特性，由物理定律決定，有時(shí)需將鏡片的光學(xué)性質(zhì)與電性質(zhì)聯(lián)系。通常材料制造進(jìn)需考慮以下參數(shù)：1、介電強(qiáng)度；2、預(yù)定頻率下的介電損耗系數(shù)。硬度高：要用鉆石切割，表面不容易被硬物劃傷。深圳定制鏡片面板切割加工廠</p><p style="text-indent:25px">光致變色材料大多是灰色和棕色的，俗稱灰變和茶變，其它的顏色也可以通過(guò)專門的工藝達(dá)到。所有的眼鏡片。龍華電器鏡片面板品質(zhì)保障</p><p> 光學(xué)樹(shù)脂鏡片基本分類PMMA鏡片：PMMA屬熱塑性材料，早在五十年代就被***用于制造鏡片，但是由于受熱易變形及耐磨性較差的缺點(diǎn)，很快就被CR-39所替代。用PMMA生產(chǎn)的鏡片（主要有太陽(yáng)鏡鏡片、角膜接觸鏡）PC太空片：聚碳酸酯是直線形無(wú)定型結(jié)構(gòu)的熱塑聚合體，具有許多光學(xué)方面的優(yōu)點(diǎn)：出色的抗沖擊性能（是CR39的10倍以上），高折射率（ne=，nd=），非常輕（比重=），**抗紫外線（385nm），耐高溫（軟化點(diǎn)為140℃）。（主要有工業(yè)用護(hù)目鏡片、偏光鏡片、體育運(yùn)動(dòng)用鏡片等。）中高折射率樹(shù)脂材料：***大部分的中折射率(n=)和高折射率(n>)材料都是熱固性樹(shù)脂，其發(fā)展非常迅速。它們的折射率可以使用以下任意一種技術(shù)來(lái)增加：改變?cè)肿又须娮拥慕Y(jié)構(gòu)，例如：引入苯環(huán)結(jié)構(gòu)；在原分子中加入重原子，諸如鹵素（氯、溴等）或硫。與傳統(tǒng)CR-39相比，用中高折射率樹(shù)脂材料制造的鏡片更輕、更薄。染色樹(shù)脂材料：用于制造太陽(yáng)眼鏡鏡片的基本上都是聚合前加入染料而制成的，特別適合大批量制造各色平光太陽(yáng)鏡片，同時(shí)在材料中加入可吸收紫外線的物質(zhì)。鏡片的顏色取決于紅黃藍(lán)三原色的搭配，可以染成各種不同的顏色。染色方法：熱浸泡法鏡片顏色的濃度取決于（染料的濃）（浸泡的時(shí)間）、。龍華電器鏡片面板品質(zhì)保障</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2940168.html</p></div></div></div></div></div><div id="rvxipgc" class="page-right twoColRt"><div id="cqrs2h4" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ox7wcyu" 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