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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>松崗電器鏡片面板外殼,鏡片面板</p><p><span>***更新：</span>2021-01-31 07:06:08</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="rzbikro" 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(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="3elspg8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="sbdam8b" class="box"><p><p> 普通樹脂材料的鏡片特點 </p> <p> 普通樹脂材料：（CR-39） </p> <p> 學(xué)名碳本酸丙烯乙酸，或稱烯丙基二甘醇酸脂（Dially?Glycol?Carbonates），是應(yīng)用*****的生產(chǎn)普通樹脂鏡片的材料。它于四十年代被美國哥倫比亞公司的化學(xué)家發(fā)現(xiàn)，是美國空軍所研制的一系列聚合物中的第39號材料，因此，被稱為CR-39（哥倫比亞樹脂第39號）。CR-39被用于生產(chǎn)眼用矯正鏡片是在1955~1960年，是***代的超輕、抗沖擊的樹脂鏡片。CR-39作為一種熱固性材料，單體呈液態(tài)，在加熱和加入催化劑的條件下聚合固化。聚合是一個化學(xué)反應(yīng)，即由幾個相同分子結(jié)構(gòu)的單體組成的一個新的聚合體分子，具有不同的長度和性質(zhì)。作為光學(xué)鏡片，CR-39材料性質(zhì)的參數(shù)十分適宜：折射率為1.5（接近普通玻璃鏡片），松崗電器鏡片面板外殼、密度1.32（幾乎是玻璃的一半）、阿貝數(shù)為58~59（只有很少的色射）、抗沖擊、高透光率，可以進(jìn)行染色和鍍膜處理。?它主要的缺點是耐磨性不及玻璃，需要鍍抗磨損膜處理。樹脂鏡片可采用模式壓法加工鏡片表面的曲率，因此很適用于非球面鏡片的生產(chǎn)，松崗電器鏡片面板外殼。結(jié)合了兩種材料的優(yōu)異特性，松崗電器鏡片面板外殼，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)。松崗電器鏡片面板外殼</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="松崗電器鏡片面板外殼,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(dá)到4-5H。 </p> <p> ? 目前許多公司推出達(dá)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雙非球面塘廈批發(fā)彩鍍鏡片面板切割加工廠在沒有光線條件下，氯化銀呈離子態(tài)，因銀離子是透明的，所以鏡片也是透明的；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="松崗電器鏡片面板外殼,鏡片面板" src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914990498047/2097805.png"></div><p style="text-indent:25px">PC鏡片定義：一般的樹脂鏡片都是熱固性材料，即原料為液態(tài)，加熱后形成固態(tài)鏡片。PC片又叫“太空片”、“宇宙片”，化學(xué)名稱為聚碳酸酯，是熱塑性材料。即原料為固態(tài)，經(jīng)加熱后塑形為鏡片，所以這種鏡片成品后受熱過度也會變形，不適合高濕熱場合。PC鏡片有著極強韌性，不破碎（2cm可用于防彈玻璃），故又稱安全鏡片。比重每立方厘米*為2克，是目前用于鏡片的**輕材料。從鏡片的功能上講，它具有調(diào)節(jié)進(jìn)入眼睛之光亮，增加視力，保護(hù)眼睛安全和臨床***眼病的作用。對屈光異常引起的兒童斜視和伴有***的屈光異常患者，佩戴眼睛后均可***。而鏡片當(dāng)然要與鏡框搭配，還能起到美容、裝飾性的作用?，F(xiàn)代流行者強調(diào)，眼睛要有與時代人的面部化妝及服飾的和諧，反映社會階層高、學(xué)問高雅、時尚等象征。</p><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(xué)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(xué)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(xué)性能、力學(xué)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(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。無機物：低分子單體以分子鍵相互間結(jié)合.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="松崗電器鏡片面板外殼,鏡片面板" src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914477246094/1845224.png"></div><p style="text-indent:25px">目前產(chǎn)品對象主要為手機（LENS）鏡片、MP3鏡片等小尺寸產(chǎn)品。2)產(chǎn)品性能A、極好的表面光潔度；B、極高的表面硬度和***的抗劃傷能力；C、較好的表面強度；D、精確的尺寸控制；E、具有極好的金屬視覺效果。F:表面硬度高，莫氏硬達(dá)8H，耐劃傷，透光度良好.3)產(chǎn)品結(jié)構(gòu)平片、卜面、單橋、雙橋、批花、異形等3）產(chǎn)品表面處理真空鍍膜、絲印、鐳射、幻彩、鍍金剛膜、AR膜、AF膜、AS膜特殊工藝為生產(chǎn)特色雖然玻璃鏡片比亞克力鏡片成本要高很多，但未來的市場需求，對產(chǎn)品的高性能，是同樣要求很高。750nm~2500nm穿透率大于85%，濾光片材質(zhì)彈性好。觀瀾pmma鏡片面板批發(fā)</p><p style="text-indent:25px">光致變色玻璃材料的變色原理是銀原子和氯原子之間的一種電子交換，通過氯化銀和周圍的環(huán)境表現(xiàn)。松崗電器鏡片面板外殼</p><p> 光致變色玻璃材料鏡片特點光致變色現(xiàn)象是通過改變材料光線吸收屬性，使材料對太陽光強度作出反應(yīng)的一種性質(zhì)。它的基本原則是使普通的玻璃（包括塑料光致變色材料）在紫外線輻射的影響下顏色變深，以及在周圍高溫的影響下顏色變淡，這兩個過程是可逆的，而且可能一直存在。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。1962年出現(xiàn)了***代光致變色玻璃材料,此后性能不斷得到改良。其主要是在玻璃材料中加入了鹵化銀晶體。這些晶體在紫外線擊幅射下起化學(xué)反應(yīng)，鏡片的顏色變深。***代光致變色玻璃材料的變色原理是銀原子和氯原子之間的一種電子交換，通過氯化銀和周圍的環(huán)境表現(xiàn)。在沒有光線條件下，氯化銀呈離子態(tài)，因銀離子是透明的，所以鏡片也是透明的；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(jié)合為金屬銀并吸收光，鏡片則變深。當(dāng)紫外線輻射減弱，移動電子離開銀原子返回氯原子，鏡片逐漸恢復(fù)了原先的清澈狀態(tài)。對一般光致變色玻璃，變色同時也受到溫度控制，在光照度不變時，溫度越低則顏色越深。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專門的工藝達(dá)到。所有的眼鏡片。松崗電器鏡片面板外殼</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3091916.html</p></div></div></div></div></div><div id="h3ar8pb" class="page-right twoColRt"><div id="87wov8h" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="39338uw" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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