共查询到17条相似文献,搜索用时 156 毫秒
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本文对偏光片用TAC光板膜、功能膜的行业现状进行了分析,包括主要供应商、应用现状与未来发展趋势。TAC功能膜指硬化膜、防眩光膜、低反射膜、防反射膜或者迭加了多种功能的薄膜。 相似文献
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《信息记录材料》2019,(8)
以三醋酸纤维素酯为中心介质制备的光致变色TAC膜,当外界有紫外光射入光致变色TAC膜时,膜层内部镶嵌的光致变色染料吸收紫外光能量,发生能级跃迁,物质结构发生变化,使TAC膜从无色变为有色。随着光致变色TAC膜受光时间增长,在薄膜上可以看到明显的光致变色效果。这种光致变色TAC膜可以和偏光片组合成一种新型的光致变色偏光镜片。根据光致变色TAC膜层受光干涉变色原理设计光致变色染料堆积密度对TAC膜变色性能的影响实验。在光致变色偏光太阳镜指标范围内,确定光致变色染料在厚度为80um的TAC膜内添加量为1.083g/m2。通过控制单位平米光致变色染料添加量一致,增加TAC膜层厚度,降低光致变色染料在TAC膜内部堆积密度,提供充足的内部空间支撑光致变色粒子结构的转化。通过固定光致变色染料添加量确定合适的光致变色染料堆积密度。从而增加光致变色TAC膜变褪色速率及变色深度,充分发挥光致变色染料的光变色的效果。 相似文献
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TAC膜吸湿性相关因素调查与分析 总被引:1,自引:0,他引:1
吸湿是TAC膜的固有特性,由此导致膜的变形、产生压点、印痕等问题给下游偏光片客户的使用造成影响,从而制约了TAC膜向高端应用领域的发展,成为TAC膜亟待解决的质量问题之一。为了克服TAC膜易吸湿的缺点,国外生产厂家通过限制原材料醋酸纤维素的取代基位置和取代程度、选择专门的UV吸收剂和增塑剂以及添加纳米颗粒的措施来改善薄膜在高湿度环境下的吸湿性。本论文在查阅文献的基础上,结合自身的工作实际,对增塑剂的使用进行优化,以期改善TAC膜的吸湿性。本论文首先建立了5项检测方法,用以表征TAC膜的吸湿性,并选取国外厂家竞品作为改善目标值。之后选取纤维素、增塑剂TPP、增塑剂DMEP、增塑剂BDP、纳米粒子作为要素,采用正交试验的方法,确定优化方向。 相似文献
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在平板显示器用偏光片领域,与传统的TAC薄膜相比,亚克力薄膜透明、耐候、化学稳定性高.另外,亚克力薄膜具与TAC薄膜相似的光学补偿功能;其抗拉伸、抗弯曲、抗压缩的能力均高于TAC薄膜;生产过程中不需要使用二氯甲烷,更加环保;近2年来,亚克力薄膜替代TAC薄膜使用的速度加快. 相似文献
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Asao ya Akinori Sato Hirokazu Hanaoka Sugio tani 《Journal of the American Ceramic Society》1990,73(3):689-693
Taeniolite/acriflavine complexes (TAC) intercalated with various amounts of acriflavine were synthesized. The films derived from these complexes and raw taeniolite (TNL) as a reference were heated (carbonized) below 1273 K under a nitrogen atmosphere, followed by measurements of mechanical properties and electrical resistivity. Compared with TNL film, TAC films, especially with an amount of acriflavine equivalent to the cation exchange capacity of TNL, showed higher thermostability, higher flexibility, lower tensile strength, and larger modulus of toughness. Electrical resistivities of TAC films decreased remarkably after heating to 873 K or higher, in contrast to no change for TNL film. After heating to 1073 K, the electrical resistivities of TAC films clearly decreased with an increase of acriflavine content. This difference disappeared after heating to 1273 K. These behaviors are discussed on the basis of X-ray diffraction, IR spectroscopy. SEM observation, and so on. 相似文献
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三醋酸纤维素薄膜已成为液晶显示器中偏光片的重要组件。各类液晶显示器的快速增长,为三醋酸纤维素薄膜提供了新的发展机遇。本文详细分析了液晶显示器用三醋酸纤维素薄膜的市场竞争态势,同时对三醋酸纤维素薄膜生产工艺的完善改进,作了详细的介绍。 相似文献
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M. Abtahi G. R. Bakhshandeh T. Darestani Farahani 《Polymer-Plastics Technology and Engineering》2013,52(2):183-189
In this research, the effects of formulation and the amount of triallyl cyanorate (TAC) as coupling agent on peroxide vulcanization and mechanical properties of the participated silica filled EPDM elastomer are investigated. The results of curing process and measuring mechanical properties (hardness, modulus, tensile strength, elongation at break, abrasion, resilience) of compounds show that silica accounts for mechanical properties improvement and TAC decreases Mooney viscosity and scorch time and also increases optimum curing time; therefore, it prevents compound scorching. In addition, results show that TAC improved rubber-filler interaction and apparent crosslink density, which reflected on mechanical properties under study and SEM photographs. 相似文献