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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="sqyw4o4" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637309446106816406/511083.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="iusygek" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>江蘇軸角度測(cè)試儀價(jià)格實(shí)惠,軸角度測(cè)試儀</p><p><span>***更新：</span>2020-11-22 13:07:06</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="wyoms2q" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">蘇州千宇光學(xué)科技有限公司</a></p><p><span>聯(lián)系人：</span>密先生</p><p><span>郵箱: </span>cimi@oec-tech.com</p><p><span>電話: </span>18662198664</p><p><span>傳真: </span>0512_69388290</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0512-69388290</p><p><span>地址: </span>蘇州工業(yè)園區(qū)東旺路8號(hào)7B-302室</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="24wcay4" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="o4owu4u" class="box"><p><p style="text-indent:25px"> 以PVA膜染色方法劃分，偏光片有碘染色法和染料染色法兩種工藝。碘染色法是指在偏光片染色、拉伸過程中，使用碘和碘化鉀作為二向性介質(zhì)使PVA膜產(chǎn)生極性化偏光特性。優(yōu)點(diǎn)是比較容易獲得99.9%以上的高偏光度和42%以上高透過率的偏光特性。所以在早期的偏光材料產(chǎn)品或需要高偏光、高透過特性的偏光材料產(chǎn)品中大多都采用碘染色工藝進(jìn)行加工。但這種工藝的不足之處就是由于碘的分子結(jié)構(gòu)在高溫高濕的條件下易于破壞，因此使用碘染色工藝生產(chǎn)的偏光片耐久性較差，一般只能滿足干溫：80℃×500HR，濕熱：60℃×90%RH×500HR以下的工作條件使用。但隨著LCD產(chǎn)品范圍的擴(kuò)大，對(duì)偏光產(chǎn)品的濕熱工作條件的要求越來越苛刻，已經(jīng)出現(xiàn)在100℃和90%RH條件下工作的偏光片需求。對(duì)這種要求，江蘇軸角度測(cè)試儀價(jià)格實(shí)惠，江蘇軸角度測(cè)試儀價(jià)格實(shí)惠，碘染色工藝就無能為力了。當(dāng)水平放置樣品時(shí)，配向角=軸角，江蘇軸角度測(cè)試儀價(jià)格實(shí)惠。當(dāng)樣品傾斜時(shí)，配向角會(huì)隨著樣品的翻轉(zhuǎn)而變化。江蘇軸角度測(cè)試儀價(jià)格實(shí)惠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇軸角度測(cè)試儀價(jià)格實(shí)惠,軸角度測(cè)試儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637309446106816406/511083.png"></div><p style="text-indent:25px">近年來背光光學(xué)膜片有重大的變革，其中變化**多的應(yīng)屬將擴(kuò)散膜、棱鏡片、偏極增亮膜、導(dǎo)光板等多項(xiàng)功能合并設(shè)計(jì)，成為復(fù)合化、一體化以及特殊化之新型式光學(xué)膜片。先進(jìn)廠商利用既有產(chǎn)品加以改良，結(jié)合各項(xiàng)光學(xué)膜功能，制作出多功能的光學(xué)膜片;亦有新進(jìn)者試圖運(yùn)用新的光學(xué)設(shè)計(jì)與新技術(shù)，開發(fā)整合型的光學(xué)膜。整合型光學(xué)膜改進(jìn)了以往單一膜片單一功能之多膜片模組架構(gòu)，藉此減少膜片的使用數(shù)量，并降低總體成本，是廠商一致認(rèn)為光學(xué)膜片未來的發(fā)展趨勢(shì)。江蘇軸角度測(cè)試儀價(jià)格實(shí)惠軸角度測(cè)試儀：RETS-100軸角度測(cè)試儀。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇軸角度測(cè)試儀價(jià)格實(shí)惠,軸角度測(cè)試儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637309445550849609/1471209.png"></div><p> 偏光片(Polarizing Film)的全稱應(yīng)該是偏振光片。液晶顯示器的成像必須依靠偏振光。偏光片的主要作用就是使不具偏極性的自然光變成產(chǎn)生偏極化，轉(zhuǎn)變成偏極光，加上液晶分子扭轉(zhuǎn)特性，達(dá)到控制光線的通過與否，從而提高透光率和視角范圍，形成防眩等功能。 </p> <p> 偏光片可廣泛應(yīng)用于現(xiàn)代的液晶顯示產(chǎn)品：液晶電視、筆記本電腦、手機(jī)、PDA、電子詞典、MP3、儀器儀表、投影儀等，也可用于時(shí)尚偏光眼鏡。其中，LCD的應(yīng)用是拉動(dòng)偏光片產(chǎn)業(yè)發(fā)展的主要力量。 </p><p> 一種長(zhǎng)的起偏振片，包括至少一個(gè)偏振薄膜，所述薄膜具有：偏振性能；和 </p> <p> 與縱向既不平行也不垂直的吸收軸， </p> <p> 其中所述長(zhǎng)的起偏振片在550 nm下具有80%或更大的偏振度，在550 ran下具有35%或更大的單片透射比，具有1 m或更長(zhǎng)的縱向長(zhǎng)度，并且 </p> <p> 所述長(zhǎng)的起偏振片為卷狀，具有3圈或更多圈。 </p> <p> 一種長(zhǎng)的起偏振片，包括至少一個(gè)偏振薄膜，所述薄膜具有：偏振性能；和 </p> <p> 與縱向既不平行也不垂直的吸收軸， </p> <p> 其中所述長(zhǎng)的起偏振片在550 nm下具有80%或更大的偏振度，在550 nm下具有35%或更大的單片透射比，并且 </p> <p> 與所述長(zhǎng)的起偏振片的縱向垂直的工作寬度是650 nm或更大。配向角（取向角）是指軸角嗎？否。配向角是軸角在垂直方向的投影。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇軸角度測(cè)試儀價(jià)格實(shí)惠,軸角度測(cè)試儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637309444276044922/5334239.png"></div><p> ［延遲-增加劑］<span style="font-size:12px;">可以將延遲-增加劑加入到纖維素酯薄膜中，以便增加沿厚度的延遲值。作為延遲-增加劑，可以使用具有其中包括至少兩個(gè)芳環(huán)并且它們的構(gòu)象不遭受位阻的分子結(jié)構(gòu)的芳香化合物。</span> </p> <p> 以100重量份的纖維素酯為基礎(chǔ)，該芳香化合物以0.01-20重量份的量，推薦以0.05-15重量份的量，更推薦以0.1-10重量份的量加入。兩種或多種芳香化合物可以混合使用。 </p> <p> 術(shù)語“芳環(huán)”不僅可以是芳燈環(huán)而且可以是芳雜環(huán)。 </p> <p> 作為芳炷環(huán)，特別推薦六元環(huán)（即，苯環(huán)）。 </p> <p> 芳香雜環(huán)通常不飽和。芳香雜環(huán)推薦是五元、六元或七元環(huán)，更推薦五元或六元環(huán)。芳香雜環(huán)通常具有盡可能多的雙鍵。環(huán)中的雜原子推薦是氮原子、硫原子或氧原子，更推薦是氮原子。芳香雜環(huán)的實(shí) 例包括味喃環(huán)、嚷吩環(huán)、毗咯環(huán)、噁嗖環(huán)、異噁哩環(huán)、囉哩環(huán)、異嚏哩環(huán)、咪哩環(huán)、毗哇環(huán)、味咱環(huán)、三哇環(huán)、毗喃環(huán)、毗嚏環(huán)、噠嗪環(huán)、嗟喧環(huán)、毗嗪環(huán)和1,3,5-三嗪環(huán)。 </p> <p> 延遲-增加劑推薦具有300-800的分子量。延遲-增加劑的沸點(diǎn)推薦是260C或更高。沸點(diǎn)可以通過可商購(gòu)獲得的設(shè)備（例如， TG/DTA100, SEIKO儀器公司）測(cè)定。 </p> <p> 在日本**臨時(shí)公開號(hào)2000-111914> 2000-275434和PCT/JP 00/02619中描述了延遲-增加劑的具體實(shí)例。傾斜旋轉(zhuǎn)臺(tái)規(guī)格:傾斜角度范圍:一60° ~十60' **小角度: 0. 1。旋轉(zhuǎn)角度范舊: - 180° ~+ 180°。江蘇軸角度測(cè)試儀價(jià)格實(shí)惠</p><p style="text-indent:25px">采用進(jìn)口高精度轉(zhuǎn)臺(tái)，可實(shí)現(xiàn)精zhun測(cè)量。江蘇軸角度測(cè)試儀價(jià)格實(shí)惠</p><p style="text-indent:25px">偏光板的制作有延伸法及涂布法，其中延伸法是主流工藝。偏光片生產(chǎn)技術(shù)以PVA膜的延伸工藝劃分，有干法和濕法兩大類。干法是指PVA膜是在具有一定溫度和濕度條件的蒸汽環(huán)境下進(jìn)行延伸，早期使用的目的是可以提高工藝的生產(chǎn)效率，使用幅寬較大的PVA膜進(jìn)行生產(chǎn)而不至于經(jīng)常斷膜。但這種工藝的局限性在于PVA膜在延伸過程中的均勻性受到限制，因此所形成的偏光片原膜的復(fù)合張力、色調(diào)的均勻性和耐久性不易穩(wěn)定，因而實(shí)際應(yīng)用較少。濕法是指PVA膜是在一定配比的液體中進(jìn)行染色、拉伸的工藝方法。這種工藝早期的局限性在于PVA膜在液體中延伸的穩(wěn)定控制難度較大，因此加工時(shí)PVA膜容易斷膜，且PVA膜的幅寬受到限制。但隨著改進(jìn)，濕法工藝的局限性已得到極大的改進(jìn)。從20世紀(jì)90年代末起，日本偏光片企業(yè)已普遍采用幅寬1330mm的TAC膜用濕法工藝。特別是由于大尺寸TFT-LCD產(chǎn)品的大規(guī)模普及，為提高偏光片產(chǎn)品的利用率，以1330mm基本寬度已成為液晶用偏光片生產(chǎn)的基本方法。江蘇軸角度測(cè)試儀價(jià)格實(shí)惠</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2098614.html</p></div></div></div></div></div><div id="gmu4u4m" class="page-right twoColRt"><div id="io4ma42" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="4g0g222" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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