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class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914697558594/7877848.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="wv7w728" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914697558594/7877848.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="sqnfxwa" 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)彩鍍鏡片面板廠家,鏡片面板</p><p><span>***更新：</span>2021-01-20 07:05:17</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="byvxzbg" 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="h3gdfc2" class="page-proshow02"><p class="title">詳細說明</p><div id="w8gtamw" class="box"><p><p> 中高折射率樹脂材料的鏡片特點 </p> <p> 中高折射率樹脂材料：***大部分的中折射率和高折射率材料都是熱固性樹脂，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)來增加：改變原分子中電子的結(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，用中高折射率樹脂材料制造的鏡片更輕、更薄。它們的比重與CR-39大體一致（在1.20到1.40之間），但色散較大（阿貝數(shù)45），龍崗批發(fā)彩鍍鏡片面板廠家，抗熱性能較差，然而抗紫外線較佳，龍崗批發(fā)彩鍍鏡片面板廠家，同時也可以染色和進行各種系統(tǒng)的表面鍍膜處理。使用這些材料的鏡片制造工藝與CR-39的制造原理大體一致，龍崗批發(fā)彩鍍鏡片面板廠家。現(xiàn)在1.67的樹脂材料已***流行，而且象1.7的樹脂材料也已在市場上有銷售。視光業(yè)的專業(yè)人員正不斷研制開發(fā)新材料，改良原有材料，以期樹脂材料在將來獲得更好的性能 </p> <p> <br /> 這一現(xiàn)象是通過在材料中混合光致變色物質(zhì)的分子而完成。龍崗批發(fā)彩鍍鏡片面板廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="龍崗批發(fā)彩鍍鏡片面板廠家,鏡片面板" src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914697558594/7877848.png"></div><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，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。 </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 1.56 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雙非球面沙井電器鏡片面板切割加工廠亞克力UV噴繪亞克力的塑造自由性非常高，能夠隨意的加工成為你非常想要的類型。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="龍崗批發(fā)彩鍍鏡片面板廠家,鏡片面板" src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914477246094/1845224.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越薄，然而卻沒有減少鏡片的另一重要參數(shù)：重量，其實實際上，隨著折射率的增加，材料的比重也隨之增加，這樣就抵消了因為鏡片變薄而帶來的重量上的減輕。 </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?。 </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涼熱感：用舌尖輕輕舔鏡片，涼爽感較強是天然水晶，舔后涼即變溫的是仿造品。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="龍崗批發(fā)彩鍍鏡片面板廠家,鏡片面板" src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914990498047/2097805.png"></div><p> （二）PC的性能 </p> <p> <br /> </p> <p> PVC鏡相對分子質(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)良的力學性能，制品內(nèi)應(yīng)力低?？稍?20攝氏度左右溫度下長期使用，在150攝氏度可長期使用。 </p> <p> <br /> </p> <p> PET有穩(wěn)定的化學性能、耐弱酸和有機溶劑，耐油但不耐堿，不耐熱水浸泡。PS鏡片對氣體（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鏡面板制品的光學性能、力學性能和電絕緣性：可見光透過率在90%以上，但不透過315nm以下的紫外線，制品具有高的抗拉強度（可達到鋼材的1/3~1/2），耐蠕變性、耐化學藥品性、韌性和光澤度優(yōu)良。 750nm~2500nm穿透率大于85%，濾光片材質(zhì)彈性好。沙井電器鏡片面板切割加工廠</p><p style="text-indent:25px">PC/ABS這種混合材料還顯示了優(yōu)異的流動特性。龍崗批發(fā)彩鍍鏡片面板廠家</p><p style="text-indent:25px">新中國成立70年來，我國建筑、建材持續(xù)飛速發(fā)展，規(guī)模不斷擴大，結(jié)構(gòu)日趨優(yōu)化，技術(shù)明顯提高，實力明顯提升，對經(jīng)濟社會發(fā)展作出了較為突出的貢獻。我國加工的步伐加快，為保證和改善我們生活，成功以加工為導(dǎo)向，圓滿完成了一系列關(guān)系國計民生的重大基礎(chǔ)建設(shè)，極大地改善了大家住房、出行、通信、教育條件。經(jīng)歷不斷開拓創(chuàng)新，我國PMMA， UV轉(zhuǎn)印CD紋，五金銘牌，開關(guān)面板領(lǐng)域取得了長足發(fā)展。隨著“****”倡議的提出，依托“中國標準”“中國方案”，使得越來越滿意作品走出國門。隨著資本越來越多、要求越來越高，相信以PMMA， UV轉(zhuǎn)印CD紋，五金銘牌，開關(guān)面板為重點的經(jīng)營模式也要努力適應(yīng)國際市場，不斷提升競爭力。只有這樣，才能堅信，未來發(fā)展的更好。龍崗批發(fā)彩鍍鏡片面板廠家</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2928408.html</p></div></div></div></div></div><div id="bu8fuln" class="page-right twoColRt"><div id="xrtvspb" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bqnpmoa" 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(yīng)" class="vcenter" 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