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clearfix"><h1>龍崗批發(fā)彩鍍鏡片面板切割深圳市佶利科技供應</h1><div id="glb0bvo" class="proBig"><div id="jgru38y" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914659921875/1543931.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="pxy0abg" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914659921875/1543931.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="og37o3y" 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>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>龍崗批發(fā)彩鍍鏡片面板切割,鏡片面板</p><p><span>***更新：</span>2020-12-25 03:06:01</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="o3dopsi" 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: </span>0755-81471926</p><p><span>地址: </span>觀瀾街道廣培社區(qū)木頭湖517號201-1</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="v2rc88d" class="page-proshow02"><p class="title">詳細說明</p><div id="ixbjtpf" class="box"><p><p> 3，樹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，龍崗批發(fā)彩鍍鏡片面板切割，美國匹茲堡平板玻璃公司，為美國航天局制作航天飛機坐 </p> <p> 倉中材料時發(fā)明CR-39材料，（C**Columbia哥倫比亞，R** </p> <p> Resin樹脂）——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> ? 普通樹脂片，表面硬度為2-3H，經(jīng)過加硬處理后可達到4-5H，龍崗批發(fā)彩鍍鏡片面板切割。 </p> <p> ? 目前許多公司推出達到6-7H的超硬樹脂鏡片 </p> <p> ? （2）為減少鏡片厚度，不同折射率的樹脂鏡片研制成功 </p> <p> ? 1985年 1，龍崗批發(fā)彩鍍鏡片面板切割.56 中折樹脂片 </p> <p> ? 1988年 1.60 超薄樹脂片 </p> <p> ? 1988年 1.61 </p> <p> ? 1992年 1.67 超超薄樹脂片 </p> <p> ? 1998年 1.71 </p> <p> ? 現(xiàn)在**薄可做到1.76雙非球面化學和物理特性: PC/ABS具有PC和ABS兩者的綜合特性。龍崗批發(fā)彩鍍鏡片面板切割</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="龍崗批發(fā)彩鍍鏡片面板切割,鏡片面板" src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914659921875/1543931.png"></div><p> 鏡片材料的基本特性。 </p> <p> PC/ABS，聚碳酸酯和丙烯1腈-丁二烯-苯乙烯共聚物和混合物，是由聚碳酸酯（Polycarbonate）和聚丙烯1腈（ABS）合金而成的熱可塑性塑膠，結(jié)合了兩種材料的優(yōu)異特性，ABS材料的成型性和PC的機械性、沖擊強度和耐溫、抗紫外線（UV）等性質(zhì)，可***使用在汽車內(nèi)部零件、商務機器、通信器材、家電用品及照明設備上?；瘜W和物理特性: PC/ABS具有PC和ABS兩者的綜合特性。例如ABS的易加工特性和PC的優(yōu)良機械特性和熱穩(wěn)定性。二者的比率將影響PC/ABS材料的熱穩(wěn)定性。PC/ABS這種混合材料還顯示了優(yōu)異的流動特性。收縮率在0.5%左右 </p> <p> <br /> </p> <p> 1. 透光性能要好 </p> <p> 2. 能吸收有害射線 </p> <p> 3. 化學穩(wěn)定性要好 </p> <p> 4. 要具有一定的機械強度 </p> <p> 5. 要有好的熱穩(wěn)定性 </p> <p> 6. 所謂熱穩(wěn)定性是指光學材料在劇烈溫度的變化下物理化學性能不改變龍崗批發(fā)彩鍍鏡片面板切割PC/ABS這種混合材料還顯示了優(yōu)異的流動特性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="龍崗批發(fā)彩鍍鏡片面板切割,鏡片面板" src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914738261719/5456503.png"></div><p> 光學樹脂鏡片是一種有機材料，內(nèi)部是一種高分子鏈狀結(jié)構(gòu)，分子間結(jié)構(gòu)相對松馳，分子鏈間有可產(chǎn)生相對位移的空間.光線可透過率為84%-90%。特點：A.密度低：因分子鏈間的間隙，因此單位體積內(nèi)的分子數(shù)量少，決定了樹脂鏡片的優(yōu)點：比重低，質(zhì)地輕,是玻璃鏡片的1/3-1/2。B.折射率適中：普通CR-39丙烯基二甘醇碳酸酯，折射率為，目前沈陽眼鏡市場上銷售的樹脂鏡片折射率比較高的為日本尼康非球面超薄加硬加膜折射率為。日本尼康公司將推出。C.表面硬度比玻璃較低，容易被硬物劃傷，所以需經(jīng)加硬處理，其加硬材料即為二氧化硅，但硬度絕達不到玻璃的硬度。因此需配戴者注意鏡片的保養(yǎng)。D.彈性好,由于有機物分子鏈間有可產(chǎn)生位移的空間的原因，相對強度是玻璃片的23-28倍。決定了樹脂片又一大特性——抗沖擊性好。歐洲、美國、日本國家禁止十六歲以下兒童配戴玻璃鏡片。E.輔助功能：可進行添加處理以獲得防有害射線、變色等功能。F.加工性：優(yōu)良,可行進全框、半框、無框的多型化加工。并可進行滲透性染色，把鏡片染成個人喜愛的顏色。G.化學性：由于是一種有機化合物，因此***禁止在酸、堿環(huán)境下配戴使用。H.熱性能：不得在超過60度以上環(huán)境下使用，否則表面減反射膜將破裂。 </p><p> 光學鏡片玻璃概述。 </p> <p> 玻璃鏡片，具有比其它材質(zhì)的鏡片更耐刮的特性，但相對的其重量也較沉，其折射率相對高：普通片為1.523，超薄片為：1.72以上，比較高可達2.0。 </p> <p> 玻璃鏡片的主要原料是光學玻璃。其折射率比樹脂鏡片高，因此在同樣度數(shù)情況下，玻璃鏡片要比樹脂鏡片薄。玻璃鏡片的透光率和機械化學性能都比較好，有恒定的折射率、理化性能穩(wěn)定。沒有顏色的鏡片稱光學白托（白片），有**中的粉紅片稱克羅克賽鏡片（紅片）。克羅克賽鏡片能吸收紫外線、對強光略有吸收作用。 </p> <p> 主要材料是由氧化物，如：二氧化硅、三氧化硼、五氧化磷、氧化鈉、氧化鉀、氧化鈣、氧化鋇、氧化鎂、氧化鋅、氧化鋁等組合而成。是非常特殊的不定型材料，在常溫下呈固體，堅硬但易碎，在高溫下具有粘性 </p> <p> 它沒有固定的化學結(jié)構(gòu)，因而沒有確切的熔點。隨著溫度的上升，玻璃材料會變軟、粘性增加，并逐漸由固體變?yōu)橐后w，這種逐漸變化的特性我們稱之為“玻璃狀態(tài)“。這一特性意味著玻璃在高溫時可以被加工和鑄型。玻璃材料制成的鏡片具有良好的透光性、表面拋光后更加透明的優(yōu)點，透過盡可能多的近紅外線，不易破碎，切割方便。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="龍崗批發(fā)彩鍍鏡片面板切割,鏡片面板" src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914477246094/1845224.png"></div><p> 市場所采用的鏡片材料的折射率范圍 </p> <p> 目前市場所采用的鏡片材料的折射率范圍是從1.5--1.9。??2）色散系數(shù)：阿貝數(shù)。 </p> <p> 由光波引起的折射率變化會使白光根據(jù)不同的折射產(chǎn)生色散現(xiàn)象。事實上，波長越短，折射率越高，可見光的折射從光譜的紅光區(qū)延伸到藍光區(qū)。材料的色散能力可以由阿貝數(shù)描述，在歐洲、日本規(guī)定用e線，在美國等其他國家規(guī)定使用d線。 </p> <p> 阿貝數(shù)與材料的色散力成反比，鏡片材料規(guī)定的范圍通常從30-60，數(shù)值越大即表示色散越少。一般而言，折射率越高，色散力越大，而阿貝數(shù)就越低。盡管所有鏡片都存在色散，但在鏡片中心，這個因素可以被忽略，只有在用高色散材料制造的鏡片周邊部，色散現(xiàn)象才易被察覺。在這種情況下，色散現(xiàn)象所表現(xiàn)的是離軸物體邊緣帶有彩色條紋做眼鏡的叫"霞"還有天然的是有一定的彎度的 .龍崗批發(fā)彩鍍鏡片面板切割</p><p style="text-indent:25px">亞克力UV打印亞克力非常環(huán)保，能夠反復的進行利用。龍崗批發(fā)彩鍍鏡片面板切割</p><p> 鏡片的光線散射和衍射 </p> <p> 光線散射和衍射 </p> <p> (1)散射：散射是光線在各個方向上被散播的一種現(xiàn)象，它一般在固體的表面以及透 </p> <p> 明材料的內(nèi)部產(chǎn)生。理論上眼鏡片表面沒有散射發(fā)生，因為鏡片的磨片過程（拋光）消除了這一現(xiàn)象。然而當鏡片由于外界污染而弄臟或表面由于油漬而模糊不清時會產(chǎn)生散射。同時鏡片內(nèi)部的菜射也非常有限，只在偶爾情況下，可能會使鏡片呈現(xiàn)黃色或乳白色。目前合格的眼鏡片只有非常少量的散射光線產(chǎn)生，通?？梢院雎圆挥嫛?</p> <p> (2)衍射：衍射是當光波遇到小障礙而改變行徑方向的一種現(xiàn)象。在眼鏡光學里，衍 </p> <p> 射現(xiàn)象是需引起重視的，因為衍射會使鏡片表面產(chǎn)生異常干擾，尤其是在使用不當或不小心在鏡片表面造成的磨損的情況下龍崗批發(fā)彩鍍鏡片面板切割</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2549911.html</p></div></div></div></div></div><div id="zm2rrhd" class="page-right twoColRt"><div id="xaqj7yt" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div 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