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class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914418964844/813508.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="182yhyf" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914418964844/813508.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="vakubnp" 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)品關鍵詞：</span>廣東pc鏡片面板廠家,鏡片面板</p><p><span>***更新：</span>2020-12-01 06:09:06</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="yx7jln3" 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="e39tqcj" class="page-proshow02"><p class="title">詳細說明</p><div id="i8fwy2e" class="box"><p><p> 5.樹脂鏡片的制造流程。 </p> <p> 注模聚合分離固化毛坯退火成品或半成 </p> <p> <br /> </p> <p> 1.注模：將液態(tài)單體+UV吸收劑+添加劑注入模具、2，聚合 3，分離固化毛坯：去除密封圈 </p> <p> } 將固化毛坯取出。4，廣東pc鏡片面板廠家.退火：熱處理，減少內(nèi)應力。5成品或半成 </p> <p> 高折射率樹脂鏡片的制造也使用壓鑄模具法制造 </p> <p> 折射率折射率 1.60 、 1.665 與低折射率材料制造不同點：單體不同，化學反應方式不同（加聚作用），生產(chǎn)時間很長（48小時以上） </p> <p> CR 39 高折射率樹脂鏡片 </p> <p> 折射率 1，廣東pc鏡片面板廠家.501 1.600； 1，廣東pc鏡片面板廠家.665 </p> <p> 固化方式聚合反應加聚反應 </p> <p> 固化方法水槽中聚合 1、冷卻 2、空氣循環(huán)爐中加聚 </p> <p> 溫度 30°～100° 10°～120° </p> <p> 生產(chǎn)時間約24小時約48小時 </p> <p> 材料收縮約14% 約9% 二者的比率將影響PC/ABS材料的熱穩(wěn)定性。廣東pc鏡片面板廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東pc鏡片面板廠家,鏡片面板" src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914418964844/813508.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松崗pmma鏡片面板**膠其主要是在玻璃材料中加入了鹵化銀晶體。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東pc鏡片面板廠家,鏡片面板" src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914513193360/7456134.png"></div><p> PVC鏡面板制品的光學性能、力學性能和電絕緣性？ </p> <p> （一）PET的表觀 </p> <p> 商品PET樹脂為乳白色、半透明（未干燥呈透明狀）、光亮的方片狀顆粒，常稱為PET切片。密度為1. 33~1. 38g/cm3。通常為部分晶體。在水浴中，PET塑料會下沉。本色的PET鏡片制品無色、略帶熒光、柔韌而有剛性。 </p> <p> PET塑料較易燃燒，離火后自熄，制品燃燒時會爆裂成碎片，并放出脫硫芳香味，燃燒的火焰呈明亮橙色，尖部呈黃色，底部呈青綠色；制品邊燃燒邊熔化，并冒濃煙，殘余制品硬化呈黑色。 </p> <p> <br /> </p><p> 鏡片的光學反射和光線吸收性質(zhì) </p> <p> 光線反射 </p> <p> 光線在鏡片表面產(chǎn)生折射的同時，也會產(chǎn)生反射現(xiàn)象。光線反射會影響鏡片的清晰度，而且在鏡片表面會產(chǎn)生干擾性反射光。通常，鏡片材料的折射率越高，因反射而損失的光線就越多。當然，對于干擾性反射光可以通過在鏡片表面鍍多層減反射膜而相應抵消。 </p> <p> 光線吸收：材料的本身吸收光的特性會減少鏡片的光線透過率，這部分的光量損失對于非染色眼鏡片是可以忽略的，但如果為染色或變色鏡片，光的吸收量會很大，這也是此類鏡片的設計目的。眼鏡片的光線吸收通常指材料內(nèi)部的光線吸收，可通過鏡片前、后表面吸收光線的百分比表示。例如，30%的光線吸收相當于30%的光通量在鏡片內(nèi)部的減少。材料的光線吸收遵循郎伯(Lambert′s?Law)定律，它根據(jù)鏡片的不同厚度呈**性的變化而仿制品無固定熔點，加熱至高溫后放人水中立即炸裂。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東pc鏡片面板廠家,鏡片面板" src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914659921875/1543931.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)：預先設定的溫度范圍。4、熔點：物理常數(shù)。5、沸點。?6、鏡片的應力溫度。 </p> <p> <br /> </p> <p> 電性質(zhì)表示了材料電磁波和電效應的特性，由物理定律決定，有時需將鏡片的光學性質(zhì)與電性質(zhì)聯(lián)系。通常材料制造進需考慮以下參數(shù)：1、介電強度；2、預定頻率下的介電損耗系數(shù)。而在紫外線輻射下，不穩(wěn)定電子離開了氯離子，與銀離子結合為金屬銀并吸收光，鏡片則變深。深圳亞克力鏡片面板廠家</p><p style="text-indent:25px">無彈性：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，容易對眼睛造成意外傷害。廣東pc鏡片面板廠家</p><p> 光學玻璃鏡片的分類。 </p> <p> 無色玻璃鏡片 </p> <p> 托力克片（Toric）：也稱白托片，白片?？煞譃槠胀ê凸鈱W白片兩種。普通白片的主要組成為鈉鈣硅酸鹽，折射率為1.51，可見光的透光率為89%以上，可吸收280nm以下的紫外線。光學白片的主要組成為鈉鈣硅酸，折射率為1.531，阿貝數(shù)60.5，透光率在91%以上，防紫外線性能**差。 </p> <p> 克羅克斯鏡片（Crookes） </p> <p> 由英國人威廉.克羅克斯于1914年發(fā)明，故命名為克羅克斯鏡片，簡稱克斯片?？怂蛊譃槠胀ê凸鈱W克斯片兩種。普通克斯片簡稱光克片，是在鋇冕玻璃成分中添加微量 </p> <p> 的氧化鈰、氧化釹和氧化鐠等物質(zhì)，使鏡片有明顯的雙色效應，即在白熾燈光下呈淺紫紅色，在日光燈下呈淺青蘭色，能吸收340nm以下的紫外線，折射率為1.523，透光率為87%以上。 </p> <p> 光致變色鏡片 </p> <p> 簡稱變**。是在無色或有色光學玻璃成分中添加鹵化銀等化合物，使鏡片能在紫外線照射時分解成銀和鹵素原子，鏡片顏色由淺變深。反之，當光線變暗時，銀和鹵素重新又結合成無色的鹵化銀，使鏡片又回到原來無色或有基色的狀態(tài)。變色鏡片有茶變和灰變兩種，其特點是既可矯正視力，又可作為太陽眼鏡，適合野外配戴廣東pc鏡片面板廠家</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2218338.html</p></div></div></div></div></div><div id="xme8i77" class="page-right twoColRt"><div id="ztgqcbn" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="st27xu3" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="y8frjg2" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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