CN1481398A - 高折射率缩微复制树脂 - Google Patents
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Abstract
描述一种高折射率且适用于形成光产品的可聚合组合物,该组合物包括分子式I的单体就分子式II的单体,所述分子式I中,X是氢,或是一个或多个甲基、氯、溴或碘,R1是2至12个碳原子的直链或支链的烷基连接基团,R2是氢或甲基,n是0至3;所述分子式II中,X1、X2各自独立地为氢,或是一个或多个甲基、氯、溴或碘。
Description
技术领域
本发明涉及含高折射率单体的可聚合组合物,以及由此组合物制成的聚合物材料。本发明也涉及由此聚合物材料加工而成的光学产品。
背景
光学材料和光学产品对控制光流和光强度有用。有用的光学产品的实例子包括;光学透镜如菲涅耳透镜,轻质光学纤维,;轻质管材薄型内层胶,含完全内反射膜的光学膜,逆反射薄片,缩微复制(microreplicated)产品如亮度增强膜(BEF)以及安全产品。在美国专利Nos.4,542,449;5,175,030;5,591,527;5,394,255及其它专利中,描述了部分上述产品的例子。
光学产品可由高折射率材料制备,包括单体如高折射率(甲基)丙烯酸酯单体,卤化单体,以及其它本领域已知的具有这样高折射率的单体。例如,可参见美国专利Nos.4,568,445;4,721,377;4,812,032;5,424,339。
单体经固化或聚合,表现为可改变或控制光流的产品形式。在缩微复制光学产品的特定结构中,单体聚合成具有超细棱镜模式的亮度增强膜。参见美国专利Nos.5,175,030和5,183,597。目前众多的电子产品中,亮度增强膜对增强逆光平面控制板显示器,如液晶显示器(LCDs),场致发光控制板,膝上型计算机显示器,文字处理机,台式监控器,电视机,摄像机,自动的航空电子显示器等等的亮度十分有用。
光学材料一个重要的性能是其的折射率,因为折射率涉及到光学材料能如何有效地控制光流。对具有高折射率的光学材料和光学产品存在着持续的需求。
关于亮度增强膜,折射率与亮度增强膜引起的亮度增益或“增益”有关。增益是亮度增强膜提高显示器亮度增加的一个量度,是光学材料的一个性质,也是亮度增强膜的几何条件。通常地,视角随增益的增加而下降。亮度增强膜要求高增益,因为提高后的增益可使逆光显示器的亮度有效地增加。
改进的亮度是指用较小的功率照亮显示器,电子产品就可以更有效地工作。减少的功率消耗转化为减少热量产生,因此意味着可以延长元件的寿命。因此,由于这些优点,持续需要具有改善折射率的光学产品。
Maruyama等人,美国专利No.5,183,917,描述了分子式如下的二苯硫的合成。
此组合物被描述为具有高折射率。然而,众所周知,这种单体(4,4’-双(甲基丙烯酸硫代)二苯硫,或MPSMA)是结晶固体,难溶于通常的丙烯酸单体。由于液态的组合物是制备缩微复制产品所必需的,所以MPSMA的用处是有限的。
Fukushima等人的美国专利No.5,969,867,考虑了MPSMA的有用性,但是发现,必须用二(甲基丙烯酰氧乙氧基苯基)丙烷(bis(methacryloxyethoxyphenyl)propane)和类似的材料溶解MPSMA。遗憾地,这些溶解材料的折射率相对较低,因此如果不使用大量的MPSMA,难以制备折射率大于1.60的组合物。
然而,由于其成本高以及有限的相容性,最好是使用少量的MPSMA。在一详细的实例中,Fukushima通过使用大量甲基丙烯酸苯基硫代乙氧基乙酯,能得到仅含50%MPSMA,折射率为1.65的组合物。此种材料不能被认为是商业化产品,而且难以合成。
因此,仍需要能使用市场上有售的原材料,用这种材料可以能很容易地进行合成,获得具有高折射率的可聚合组合物。
发明概要
分子式II代表第二种单体其中X1、X2各自独立地为氢、或是一个或多个甲基、氯、溴或碘,R2是氢或甲基。
本发明还开发了光学产品,该产品包括一基底和由上述可聚合组合物形成的光学层。在另一个实施方案中,本发明也开发了载有微结构的光学产品。
附图简述
图1是说明本发明中的载有微结构的光学产品的透视图。此图没有刻度,也不受任何方式的限定。
详细说明
本发明描述了一种由基底层和光学层构成的光学产品。基底层可以是适用于光学产品天然物和组合物,也就是,产品设计成能控制光流,几乎所有材料都可以用作基底材料,只要材料光学上足够清晰,结构上足够坚固,可以组装到特定的光学产品,或在特定的光学产品中使用。较好的,选择的基底材料有足够的耐温性,抗老化性,这样光学产品的性能不会随时间的变化而折衷。
对任何光学产品而言,特定化学成分以及基底材料的厚度,取决于所构造的具体光学产品的要求。也就是,平衡对强度,清晰度,耐温性,表面能,以及与光学层的粘合性等的需要。
有用的基底材料包括纤维素醋酸丁酸酯,纤维素醋酸丙酸酯,纤维素三乙酸酯,聚醚砜,聚甲基丙烯酸甲酯,聚氨酯,聚酯,聚碳酸酯,聚氯乙稀,间规聚苯乙烯,聚萘二甲酸乙二醇酯,基于萘二羧酸的共聚物或混合物,以及玻璃。基底材料或还可以包含这些材料的混合物或组合物。一实施方案中,基底可以是多层,或可以含有悬浮或分散在连续相的分散相。
对于某些光学产品如载有微结构的亮度增强膜,较好的基底材料例子有聚对苯二甲酸乙二醇酯(PET)和聚碳酸酯。有用的PET软片例子包括光降解的聚对苯二甲酸乙二醇酯和可购自DuPont Films of Wilmington,Delaware的MELINEXTMPET。
一些较好的基底材料可以是旋光的,可用作起偏振材料。许多本领域已知的基底(这里也称作膜或基材)可以用作起偏振材料。例如,在能选择性吸收入射光的膜材料中包含二色性起偏振器,通过膜可完成光的偏振现象;光的偏振现象也可通过包含无机材料如排成一排的云母片实现;或通过分散在连续的膜中的不连续相,如在连续的膜中分散小滴的光调制液晶来实现。或者,膜可由不同材料的超细层制成。膜中的起偏振材料可在偏振方向排成行,比如,通过采用下列方法,如拉伸膜,施加电场或磁场,以及涂层技术。
起偏振膜的例子包括美国专利Nos.5,825,543和5,783,120中描述的那些实例。美国专利NO.6,111,696中描述了关于这些起偏振膜与亮度增强膜相结合的应用。
可用作基底的起偏振膜的第二个例子是美国专利No.5,882,774中描述的那些膜。一种市场上有售的这类膜,是3M公司以商品名DBEF(双层亮度增强膜)出售的多层膜。美国专利No.5,828,488已描述了这些多层起偏振光学膜在亮度增强膜中的应用。
列出的基底材料并不是唯一的,本领域的技术人员会理解,其它的起偏振和非偏振膜,均可用于本发明中的光学产品的基底。另外的基底材料的短表包括美国专利Nos.5,612,820和5,486,949及其它专利中描述的那些膜。
基底膜的一个或两个表面,可以选择性地底涂或进行其它处理,以提高光学层与基底间的粘合强度。
基体的厚度还取决于光学产品的上述要求。厚度在0.025毫米(mm)至0.5mm范围内为宜,较好在0.075mm至0.175mm范围。
光学层通常与基底层直接接触,大小,形状,以及厚度为允许光学层控制和集中光通量(flow of light)。因此,光学层可以是平型膜,也可以有结构表面或微结构表面,其表面上有任一种有用模式。这些模式包括规则和不规则的棱镜,环形棱镜,立方角模式,以及其它透镜状的微结构。较好的微结构是规则的棱镜模式,相当于用作亮度增强膜的完全内反射膜。
光学层由至少含两种单体的可聚合组合物形成。单体(a)是萘基单丙烯酸酯,而单体(b)是二苯硫二硫代(甲基)丙烯酸酯。下面将的每种单体加以详细描述。
定义
“折射率”在此定义为材料(如单体)的绝对折射率,理解为钠黄光以约583.9纳米(nm)波长辐射时,自由空间电磁辐射速度与该材料中电磁辐射速度的比值。折射率可采用已知的方法测量,通常用阿贝折射计测量。
“单体”在此定义为个体规格的单体,以及此单体宏观规模的的组合物,此组合物被描述为具有物质的物理状态(如液态,固态等)和物理性质(如熔点,粘度或折射率)。
“熔点”是指在大气压下测定的,单体由固态转为液态的温度。熔点可以测定,比如,用Thomas-Hoover熔点仪进行测定,此仪器由Thomas Scientific ofSwedesboro New Jersey制备。
“烷基连接基团”这里是指线性或支链的饱和不饱和的烃链,所述链被一个或多个杂原子,如氮,氧或硫,间断的。
单体(a)
单体(a)是有如下结构通式I的萘基化合物:其中X是氢,或是一个或多个甲基、氯、溴、或碘,R1是有2至12个碳原子直链或支链的烷基连接基团,R2是氢或甲基,n是0至3。在较好的实施方案中,X是氢,如下分子式Ia所示:更好的,R1是亚基,n是1,R2是氢,如下分子式Ib所示:
较好的,本发明所述的可聚合组合物,包含20-70重量%的单体(a),更好的,包含30-50重量%的单体(a)。
单体(b)
单体(b)是如下分子式II的二苯硫:
其中X1、X2各自独立地为氢,或是一个或多个甲基,氯,溴或碘,R2是氢或甲基。在较好的实施方案中,X1和X2各自是氢,如下分子式IIa所示:更好的,R2是甲基,如下分子式IIb所示:较好,本发明所述的可聚合组合物,含10-60重量%的单体(b),更好的是,含30-50重量%的单体(b)。
附加单体
本发明所述的组合物,除了含单体(a)单体(b)外,还可能含有一种或多种任选的单体。任选单体或共聚单体可以任何有用的浓度存在。比如,单体或共聚单体存在的量高达70重量%。这里所示的重量%是指,以整个组合物为计,特定成分所占的分数。
共聚单体可包括一种或多种单体的组合。更好的,共聚单体包括高折射率单体。在较好实施方案中,共聚单体包含一种或多种折射率各至少为1.50的单体。共聚单体包括一种或多种(甲基)丙烯酸酯单体,包括单官能团和多官能团单体。例如,美国专利No.5,932,626描述了有用的溴化共聚单体。
典型的多官能团单体包括,Sartomer Company,Exton,PA生产的CN-104,CN-114,CN-115,CN-120,CN-975,CN112C60,SR-3368,SR-494,SR339和SR-9041;UCB Chemicals Corp.,Smyma,GA生产的Ebercryl 6700,600,3700,3603,3606,6602,4866,1819,830,835,693,220,9220和RDX51027;Akros Chemicals,New Brunswick,NJ生产的RPC4482,AC-276,AC-440和AC-890。多官能团单体可包括聚氨酯丙烯酸酯,环氧丙烯酸酯和聚酯丙烯酸酯。
多官能团单体可用作交联剂,以提高聚合物的玻璃化温度,此聚合物由可聚合组合物聚合而成。可采用本领域技术上已知的方法测定玻璃化温度,如差热扫描量热法(DSC),调制DSC,以及动态力学分析。可聚合的组合物宜充分交联,以使玻璃化温度高于45℃。
本发明中所用的单体组合物其熔点小于50℃为宜。更好是,单体组合物在室温下以液态存在。对本发明有用的单体组合物,可用常规的自由基聚合方法聚合。
合适的聚合方法包括溶液聚合,悬浮聚合,乳液聚合和本体聚合。其它合适的方法还有,在自由基引发剂存在的情况下加热;在有光引发剂的情况下用电磁辐射如紫外光或可见光辐照。
或者,聚合过程可包括使用光引发剂,例如,使用由Ciba Geigy生产,以商品名DARACUR1173,DAROCUR4265,IRGACURE651,IRGACURE1800,IRGACURE369,IRGACURE1700,IRGACURE907出售的光引发剂,但并不仅限于此。氧膦衍生物为佳,如BASF,Charlott,NC生产的LUCIRIN TPO,即2,4,6-三甲基苯酰二苯氧膦。光引发剂使用浓度约为0.1-10重量%。更可取地,光引发剂是氧膦衍生物,以约0.1至5重量%浓度使用。
其它组分
在此所述的可聚合组合物,也可包含一种或多种其它有用组分,正如本领域技术人员所理解的,这些组分对这种可聚合组合物有用。例如,可聚合组合物,可以包含一种或多种表面活性剂、颜料、填料、阻聚剂、抗氧化剂、以及其它可行的组分。这些组分以有效量包含在体系。
可聚合的组合物中可包括表面活性剂如氟表面活性剂以降低表面张力,提高润湿性,提供了平整涂层和较少的涂层缺陷。有用的表面活性剂具体例子包括,3M Company,St.Paul,MN生产的,商品名为FC-430,FC-171,FC-740的非离子氟表面活性剂。这些表面活性剂,可以以任一有用效量存在,最好是约0.01至0.3重量%。
向可聚合的组合物中加入可聚合的珠粒,无机填料和颜料,以改进加工性,给予聚合材料滑移性和抗划伤性,或者改变材料的光学性能。
合适的珠料例子包括,由聚苯乙烯,聚丙烯酸酯,苯乙烯和丙烯酸酯共聚物,聚乙烯,聚丙烯,聚四氟乙烯,以及它们的混合物制成的珠料。
填料和颜料的例子包括,实心或中空的玻璃珠,二氧化硅,氧化锆,三氧化铝和二氧化钛。平均粒度约为1-20微米,包含的粒子数量为0.25-20重量%。
可聚合的组合物,用于制备各种各样有用的知名高折射率光学产品及制品,如光学透镜,以及光学膜,如包含缩微复制膜,如完全内反射膜一类的高折射率膜。亮度增强膜,平型膜,多层膜,逆反射片,轻型光学纤维以及管材,均可用在此所述的可聚合组合物制备。例如,在美国专利No.4,542,449中,描述了,以高折射率可聚合组合物为原料生产的光学产品。
由可聚合组合物制备的,较好的光学产品是载有微结构制品,制品可以制成各种形式,包括存在一系列交替的顶和槽,足以生产完全内反射膜那一类产品。这种膜的实例有,亮度增强膜具有对称的顶和槽规则重复模式,而其它实例的模式中,顶和槽是不对称的。在美国专利Nos.5,175,030和5,183,597中描述了载有微结构的制品,用作亮度增强膜的较佳实例。
根据这些专利,载有微结构膜按如下方法制备,此方法包括步骤(a)制备可聚合的组合物;(b)将可聚合的组合物沉积在微结构的阴母模表面上,其量刚刚足以填满模腔;(c)在预成形的基底和母模之间,移动可聚合组合物珠粒以装满模腔,基底和母模至少一个是柔性的;(d)固化该组合物。母模可以是金属的,如镍,镀镍的铜或黄铜,也可以是聚合条件下稳定的热塑性材料,最好具有能使聚合材料从其上干净除去的表面能。
本发明的光学产品较好实施方案如图1所示,图1所示为载有微结构的亮度增强膜。参见图1,亮度增强膜30包括基底层2和光学层4。光学层4包括线性排列的规则直角棱柱(right prism),标为棱柱6,8,12和14。每个棱柱,例如棱柱6,有第一平面10和第一平面11。在基片2上形成棱柱6,8,12,14,基底2具有其上形成棱柱的第一表面18,与第一表面18相对的基本平形的第一表面20。
直角棱柱的顶角通常约为90°,尽管这个角可在70至120°范围,最好是在80至100°。而且,此棱柱可有尖锐角端或圆化角端。光学制品的总厚度24和棱柱高度22之间的关系并不关键,尽管,宜使用明确定义的棱柱平面的相对较薄的光学层。棱柱高度22与总厚度24的比宜在25/50至25/125之间。
如本领域上所知的,亮度增强膜可放在显示屏内,此屏面在漫射体和光源照亮的显示屏之间,例如,逆光液晶显示器。亮度增强膜控制光源发射光的发射角,增加显示屏的亮度。增强亮度可使显示屏面产生清晰的图像,使减小的光源功率产生精选的亮度。
下列非限定的实施例仅用于说明本发明。
实施例
折射率的测定
树脂组合物和固化膜的折射率,采用Erma Inc.,Tokyo Japan制造的阿贝折射仪测定,由费歇尔科学分布。固化膜的折射率采用Metricon Corporation,Pennington,NJ制造的2010型棱镜连接器测定。
亮度增益的测定
亮度增益或“增益”是,用亮度增强膜(BEF)的逆光显示器(如液晶显示器LCD)的光亮度,与未用BEF的显示器(仅背光)的光亮度比值。
用Minolta亮度仪LS-100光度计测定以Hewlett Packard E3611 A DC电源为动力的夏普C12P型逆光显示器有BEF和无BEF的亮度,BEF置于逆光下,超细棱柱与逆光的长轴平行对着亮度仪。丙烯酸框架放在BEF上部,使BEF平行对着逆光。三分钟后,测定显示器轴向亮度,以英尺-朗伯为单位。然后移开BEF,立刻测定后一亮度,得到这两个读数的比,即增益。
合成丙烯酸2-(1-萘氧基)-1-乙酯(1-NOEA)
在5升的三口园底烧瓶上配备测温探头,机械搅拌器和冷凝器。向烧瓶内加入400克1-萘酚,269克碳酸亚乙酯,281克三乙胺。用中速搅拌,配料被加热至95℃,开始放出CO2。该批料在此温度下保持12小时,取样并用气相色谱(GC)测定残余的1-萘酚,在95℃继续加热该批料,直至残余的1-萘酚小于3%。
然后,此反应冷却至室温,加入1470克叔丁基甲醚,56克三乙胺。加入0.15克氢醌和0.15克氢醌甲基醚作为阻聚剂。向充分搅拌的反应物中,在2至4小时内加入289克烯丙酰氯,保持配料温度在25-30℃之间。完成加料后,该料在室温下中速搅拌1小时。取样,用GC测定反应的完成情况。(<1%残余2-(1-萘氧基)-1-乙醇)
配料冷却至室温,然后清洗,首先用400克去离子水和11克盐酸,然后,用250克15%碳酸钠水溶液,再用250克20%氯化钠溶液。残留的溶剂用旋转蒸发器除去。产物为深色低粘度(<80cps)液体(570克)。
采用连续的高真空辊膜蒸发器(产自UIC Inc.of Joliet,Illinois)提纯,粗制的单体按照下列条件纯化:110℃夹套温度,30℃冷凝温度,40℃进料温度,300rpm马达转速,1微米真空。蒸馏分离80-85%产物。产物,1-NOEA(475克),是淡黄色至橙色的液体,用13C NMR测定,确定纯度>95%。
实施例1-3
可聚合组合物的制备是,在一30ml棕色玻璃瓶中,按表1所示的用量混合各组分,加热混合物至70℃溶解MPSMA(Sumitomo Seika,Japan生产的双(4-异丁烯酰基苯硫基硫醚)(bis(4-methacryloyl thiophenyl sulfide))。单体值是,以组合物总重量计的单体组分的重量%。对引发剂值和Daracure 4256(产自Ciba-GeigyCorp,Hawthome,NY)是每100份可聚合树脂加入的份数(phr)。
将可聚合组合物放在聚酯膜基材(PET)和光滑的不锈钢母模之间,由此制备固化的光滑膜。用刀涂机铺展组合物,涂层厚度约为76微米。PET基体、可聚合组合物、与母模的结合体在紫外灯照射下通过,以使可聚合组合物受到剂量为1J/cm2的紫外辐射,然后,将PET和固化的组合物从光滑的母模分离下来。测定固化膜的折射率,结果列于表1。
表1
实施例 | 1-NOEA(wt%) | MPSMA(重量%) | Daracure 4256(phr) | 折射率 |
1 | 70 | 30 | 2 | 1.615 |
2 | 50 | 50 | 2 | 1.641 |
3 | 40 | 60 | 2 | 1.659 |
实施例4-6
可聚合组合物的制备是,混合1-NOEA和RDX51027(购自UCB ChemicalCorp.,Smyrna GA),加热此混合物至90℃,持续1小时直至RDX51027完全溶解。然后向容器中加入MPSMA(用量如表2所示),整个混合物在70℃加热1小时,直至MPSMA完全溶解。然后加入EB9220(购自UCB Chemical Corp.,Smyrna GA),和LUCERIN TPO光引发剂(产自BASF,Charlotte,NC),混合物在65℃加热30分钟直至TPO完全溶解。表2中,单体值是,以组合物总重量计,单体组分的重量%(wt%)。对引发剂和TPO,是每100份可聚合树脂加入的份数。
包含基体上置有微结构层的亮度增强膜(BEF)的制备是,将可聚合组合物放在PET基材和有超细棱柱模式的标准具之间。棱角是90度,棱柱间距是50um(微米)(90/50)。用2.1kg/cm2的压料辊压力,将组合物铺展。实施例4,5,6中,模具分别加热至54℃,66℃,43℃。用1J/cm2剂量的紫外辐射来固化可聚合组合物。测定这些膜的亮度增益,结果列于表2。
表2
实施例 | 1-NOEA(wt%) | MPSMA(wt%) | RDX51027(wt%) | EB9220(wt%) | TPO(phr) | 增益 |
4 | 42 | 30 | 24 | 4 | 2.5 | 1.636 |
5 | 46 | 20 | 30 | 4 | 2.5 | 1.627 |
6 | 42 | 15 | 35 | 8 | 2.5 | 1.616 |
实施例7-8
可聚合组合物的制备是,混合NOEA和RDX51027(用量如表3所示),加热混合物至90℃,持续1小时,直至RDX51027完全溶解。向容器中加入MPSMA(用量如表3所示),整个混合物在70℃加热1小时,直至MPSMA完全溶解。然后加入多官能团组分(CN-104,购自Sartomer Co.,Exton,PA,PA或AC-890,购自Akros Chemicals,New Brunswick,NJ),和TPO光引发剂,混合物在65℃加热30分钟直至TPO完全溶解。表3中,列出的单体值是,以组合物总重量计,单体组分的重量%。对引发剂和TPO值是每100份可聚合树脂加入的份数。
包括在基体上放置微结构层的亮度增强膜(BEFs)的制备是,将可聚合组合物放在PET基体和有超细棱柱模式的母模具之间。棱角是90度,棱柱间距是50um(微米)(90/50)。用手压辊铺展组合物,工具被加热至54℃。用1J/cm2剂量的紫外辐射率固化可聚合组合物。测定这些膜的亮度增益,结果列于表3。
表3
实施例 | 1-NOEA(wt%) | MPSMA(wt%) | RDX51027(wt%) | CN-104(wt%) | AC-890(wt%) | TPO(phr) | 增益 |
7 | 55 | 35 | 5 | 5 | 0 | 2 | 1.648 |
8 | 55 | 35 | 5 | 0 | 5 | 2 | 1.652 |
对本领域技术人员而言,很明显,在不偏离本发明范围和精神下可以对本发明进行各种修改和改动。应理解,本发明不受在此给出的说明性实施方案和实施例的限制。仅以举例方式给出实施方案,本发明范围仅受限于如下所述的权利要求。
Claims (26)
2.权利要求1所述的组合物,其特征在于所述的单体(a)分子式为
3.权利要求1所述的组合物中,其特征在于所述R1是2至8个碳原子的直链或支链的烷基连接基团。
4.权利要求1所述的组合物中,其特征在于所述的n是1。
6.权利要求1所述的组合物中,其特征在于所述组合物包含20-70重量%的单体(a)。
7.权利要求1所述的组合物中,其特征在于所述组合物包含30-50重量%的单体(a)。
8.权利要求1所述的组合物中,其特征在于所述的单体(b)分子式为
9.权利要求1所述的组合物中,其特征在于所述的单体(b)分子式为
10.权利要求1所述的组合物中,其特征在于所述组合物包含10-60重量%的单体(b)。
11.权利要求1所述的组合物中,其特征在于所述组合物包含15-30重量%的单体(b)。
12.权利要求1所述的组合物中,其特征在于所述组合物的折射率至少是1.60。
13.权利要求1所述的组合物中,其特征在于所述组合物的熔点低于50℃。
14.权利要求1所述的组合物中,其特征在于所述组合物室温下为液态。
15.权利要求1所述的组合物中,其特征在于所述组合物还包含一种或多种多官能共聚单体。
16.权利要求15所述的组合物中,其特征在于含有高达50重量%的一种或多种多官能共聚单体。
17.权利要求15所述的组合物中,其特征在于所述共聚单体的折射率至少是1.50。
18.权利要求1所述的组合物中,其特征在于所述组合物还含有光引发剂。
19.权利要求18所述的组合物中,其特征在于所述的光引发剂是2,4,6-三甲基苯甲酰基二苯基氧膦。
20.聚合材料,包括权利要求1所述的组合物。
21.光学产品,包括:
基底(2),和
光学层(4),由权利要求1所述的可聚合的组合物制成。
22.权利要求21所述的光学产品中,其特征在于所述的基底由选自下列材料制成:从含乙酸丁酸纤维素醋,乙酸丙酸纤维素,三乙酸纤维素,聚醚砜,聚甲基丙烯酸甲酯,聚氨酯,聚酯,聚碳酸酯,聚氯乙稀,间规聚苯乙烯,聚萘二甲酸乙二酯,基于萘二羧酸的共聚物或混合物,以及玻璃。
23.权利要求21所述的光学产品中,其特征在于所述的基底(2)包括偏振器。
24.权利要求21所述的光学产品中,所述的光学层(4)包括载有微结构的层。
25.权利要求21所述的光学产品中,所述的光学产品包括亮度增强膜。
26.透镜片,包括:
透明的基材
由权利要求1所述的可聚合的组合物制成的光学层。
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Also Published As
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ATE313572T1 (de) | 2006-01-15 |
US6541591B2 (en) | 2003-04-01 |
EP1352000B1 (en) | 2005-12-21 |
WO2002051892A1 (en) | 2002-07-04 |
US20030100693A1 (en) | 2003-05-29 |
KR20030097797A (ko) | 2003-12-31 |
EP1352000A1 (en) | 2003-10-15 |
US6953623B2 (en) | 2005-10-11 |
KR100727501B1 (ko) | 2007-06-12 |
CN1226321C (zh) | 2005-11-09 |
DE60116143D1 (de) | 2006-01-26 |
JP2004516367A (ja) | 2004-06-03 |
DE60116143T2 (de) | 2006-08-03 |
US20020123589A1 (en) | 2002-09-05 |
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