東莞pmma鏡片面板**膠深圳市佶利科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 光學(xué)樹脂鏡片是一種有機(jī)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(duì)松馳，分子鏈間有可產(chǎn)生相對(duì)位移的空間.光線可透過(guò)率為84%-90%。特點(diǎn)：A.密度低：因分子鏈間的間隙，因此單位體積內(nèi)的分子"><meta name="keywords" content="東莞pmma鏡片面板**膠,鏡片面板"><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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href="http://www.cdcfah.com/cp/second-_xiangsu/">橡塑</a>?<a href="http://www.cdcfah.com/cp/third-xiangsu_qtslzp/">其他塑料制品</a>?東莞pmma鏡片面板**膠深圳市佶利科技供應(yīng)</p><div id="dryf8qq" class="leftbox clearfix"><h1>東莞pmma鏡片面板**膠深圳市佶利科技供應(yīng)</h1><div id="foqb9wm" class="proBig"><div id="vov87tq" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914583476563/5668146.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="slnhlev" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914583476563/5668146.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="x389twi" 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>東莞pmma鏡片面板**膠,鏡片面板</p><p><span>***更新：</span>2021-01-22 06:05:08</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="3guoo3g" 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="enpgfzq" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="gmtldam" class="box"><p><p> 光學(xué)樹脂鏡片是一種有機(jī)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(duì)松馳，分子鏈間有可產(chǎn)生相對(duì)位移的空間.光線可透過(guò)率為84%-90%。特點(diǎn)：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(diǎn)：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(yáng)眼鏡市場(chǎng)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(dá)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(jī)物分子鏈間有可產(chǎn)生位移的空間的原因，相對(duì)強(qiáng)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(guó)、日本國(guó)家禁止十六歲以下兒童配戴玻璃鏡片。E.輔助功能：可進(jìn)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(jìn)全框、半框、無(wú)框的多型化加工。并可進(jìn)行滲透性染色，東莞pmma鏡片面板**膠，把鏡片染成個(gè)人喜愛(ài)的顏色。G.化學(xué)性：由于是一種有機(jī)化合物，因此***禁止在酸、堿環(huán)境下配戴使用。H，東莞pmma鏡片面板**膠.熱性能：不得在超過(guò)60度以上環(huán)境下使用，東莞pmma鏡片面板**膠，否則表面減反射膜將破裂。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。東莞pmma鏡片面板**膠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="東莞pmma鏡片面板**膠,鏡片面板" src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914583476563/5668146.png"></div><p> （二）PC的性能 </p> <p> <br /> </p> <p> PVC鏡相對(duì)分子質(zhì)量分布范圍窄，用于注射成型的其特性黏度為70~85ml/g，熔點(diǎn)為255 ~260攝氏度，熱分解溫度為290攝氏度，易吸水分解。 </p> <p> <br /> </p> <p> PET具有較好的透明度和光澤度，有較好的耐候性、耐沖擊性、耐蠕變性、耐熱性及尺寸穩(wěn)定性。能在較寬的溫度范鬧內(nèi)（-20~80攝氏度）保持優(yōu)良的力學(xué)性能，制品內(nèi)應(yīng)力低?？稍?20攝氏度左右溫度下長(zhǎng)期使用，在150攝氏度可長(zhǎng)期使用。 </p> <p> <br /> </p> <p> PET有穩(wěn)定的化學(xué)性能、耐弱酸和有機(jī)溶劑，耐油但不耐堿，不耐熱水浸泡。PS鏡片對(duì)氣體（氧氣、二氧化碳、水蒸氣）有較好的阻隔性，耐油脂。 </p> <p> <br /> </p> <p> PVC鏡面板制品的光學(xué)性能、力學(xué)性能和電絕緣性：可見光透過(guò)率在90%以上，但不透過(guò)315nm以下的紫外線，制品具有高的抗拉強(qiáng)度（可達(dá)到鋼材的1/3~1/2），耐蠕變性、耐化學(xué)藥品性、韌性和光澤度優(yōu)良。 pet鏡片面板哪家好彎曲率大于60度，大于2H的莫氏硬度，不易碎，可切割任意形狀。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="東莞pmma鏡片面板**膠,鏡片面板" src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914386689453/2311554.png"></div><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(gè)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(méi)有散射發(fā)生，因?yàn)殓R片的磨片過(guò)程（拋光）消除了這一現(xiàn)象。然而當(dāng)鏡片由于外界污染而弄臟或表面由于油漬而模糊不清時(shí)會(huì)產(chǎn)生散射。同時(shí)鏡片內(nèi)部的菜射也非常有限，只在偶爾情況下，可能會(huì)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?jì)。 </p> <p> (2)衍射：衍射是當(dāng)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(xué)里，衍 </p> <p> 射現(xiàn)象是需引起重視的，因?yàn)檠苌鋾?huì)使鏡片表面產(chǎn)生異常干擾，尤其是在使用不當(dāng)或不小心在鏡片表面造成的磨損的情況下 </p><p> 染色玻璃材料鏡片特點(diǎn)。 </p> <p> 染色玻璃材料：在玻璃材料中混合入一些具有特殊吸收性質(zhì)的金屬鹽后會(huì)表現(xiàn)出著色的效果，例如：加鎳和鈷（紫色），鈷和銅（藍(lán)色），鉻（綠色），鐵，鎘（黃色），金，銅和硒（紅色）等等。這些染色鏡片材料主要應(yīng)用于大規(guī)模地生產(chǎn)平光太陽(yáng)鏡片或防護(hù)鏡片。一些具有特殊過(guò)濾性質(zhì)的淺色材料（棕色、灰色、綠色或粉紅色）也被用于生產(chǎn)屈光矯正鏡片，但象這種鏡片的材料現(xiàn)在的需求并不多，主要原因是由于近視或遠(yuǎn)視鏡片的中心厚度與邊緣厚度不同，從而使鏡片的顏色深淺不一致，屈光度越高，顏色差異就越明顯。一般來(lái)說(shuō)，亞克力標(biāo)牌，就是以亞克力板為主要材質(zhì)制作而成的標(biāo)示牌。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="東莞pmma鏡片面板**膠,鏡片面板" src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914830664063/5730110.png"></div><p> 鏡片的光學(xué)性質(zhì)：光線折射 </p> <p> <br /> </p> <p> 光學(xué)性質(zhì)是材料的基本性質(zhì)，與鏡片在日常生活中所見到的各種光學(xué)現(xiàn)象相符合，主要為光線在鏡片表面的折射和反射、材料本身的吸收，以及散射和衍射現(xiàn)象。 </p> <p> （1）光線折射：通過(guò)鏡片的光線會(huì)在鏡片的前后表面發(fā)生折射或偏離現(xiàn)象，光線的偏離幅度由材料的折射率和入射光線在鏡片表面的入射角度決定。??1）折射率：透明媒質(zhì)的折射率是光線在真空中的速度c與在媒質(zhì)中的速度v的比值， </p> <p> n=c/v。該比值沒(méi)有單位并且總是大于1。折射率反映媒質(zhì)的折射能力，折射率越高，從空氣進(jìn)入該媒介的光束偏離得越多。從空氣到折射率為n的透明媒質(zhì)所發(fā)生的偏離或折射可以根據(jù)斯涅耳-笛卡爾定律(Snell-Descartes?Law)進(jìn)行計(jì)算，規(guī)定如下：折射光線與入射光線和法線位于同一平面入射角i和折射角r分別由法線與入射光線、折射光線構(gòu)成。計(jì)算公式：?sin?i=n?sin?r????由于透明媒質(zhì)的光速隨著波長(zhǎng)而變化，所以折射率的值總是參考某一特定波長(zhǎng) </p> <p> 表示：在歐洲和日本，參考波長(zhǎng)為e線546.07nm(汞--綠光譜線)，但是在美國(guó)等其它 </p> <p> 國(guó)家則是d線587.56nm(氦--黃光譜線)。但這個(gè)區(qū)別并沒(méi)有造成實(shí)際影響，因?yàn)樗?</p> <p> 區(qū)別**反映在折射率值的第三位小數(shù)上。大家可能平常都會(huì)遇到，玻璃做的杯子啊，什么的打碎了。定制鏡片面板廠家</p><p style="text-indent:25px">光致變色玻璃材料鏡片特點(diǎn)光致變色現(xiàn)象是通過(guò)改變材料光線吸收屬性.東莞pmma鏡片面板**膠</p><p> 光學(xué)樹脂鏡片價(jià)格 </p> <p> .價(jià)格：隨質(zhì)量、功能、品牌、檔次不一而論. </p> <p> J.鏡片的尺寸設(shè)計(jì)：美國(guó)藥品與食品管理局“F.D.A”標(biāo)準(zhǔn)中規(guī)定，中心厚度比較低可設(shè)計(jì)至0.6毫米，但強(qiáng)度要求卻相應(yīng)降低，為此歐洲、美國(guó)、日本等國(guó)生產(chǎn)商一般把近視、遠(yuǎn)視100度以上的鏡片**厚度設(shè)計(jì)在1.0毫米以上，以保證鏡片的整體強(qiáng)度。常用的光學(xué)樹脂材料有：丙烯基二甘醇碳酸酯（CR-39）聚甲基丙烯酸甲酯（PMMA）聚碳酸酯（PC）三大類。折射率可以使用以下任意一種技術(shù)來(lái)增加： </p> <p> （1）改變?cè)臃肿又须娮拥慕Y(jié)構(gòu)，例如：引入苯環(huán)結(jié)構(gòu)； </p> <p> （2）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，用中高折射率樹脂材料制造鏡片使得更輕、更薄。東莞pmma鏡片面板**膠</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2956544.html</p></div></div></div></div></div><div id="38dzgst" class="page-right twoColRt"><div id="5e9xv43" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ciya53s" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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