共查询到19条相似文献,搜索用时 46 毫秒
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全氟磺酸膜以聚四氟乙烯为骨架、末端带有磺酸根的烯醚结构为侧链的全氟聚合物制备得到,可被用于氯碱工业、质子交换膜燃料电池等领域。本文通过对国外主要申请人日本旭哨子株式会社以及美国陶氏杜邦公司的专利申请进行分析,了解国外技术发展水平。 相似文献
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LCD光学膜市场蓬勃发展,2006年全球市场可望首度突破百亿美元,较去年成长两成以上。其中台湾地区业者尤其在偏光板、扩散膜已开花结果,棱镜片市场也竞争激烈。受惠于液晶电视需求大增,2006年包含偏光板、偏光板用补偿膜与TAC膜以及背光模块用扩散膜、棱镜片、增亮膜的光学膜市场全球将达111亿美元,较去年增长22%,即使持续承受面板成本下降压力,未来5年内每年仍将有一成以上的增长幅度。至2010年全球市场需求将超过168亿美元。 相似文献
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以涉及质子交换膜的中国专利数据为分析样本,从中国专利申请量、申请人、技术构成等多角度详细剖析了国内质子交换膜专利技术的整体发展状况。研究表明,美日韩为质子交换膜的专利申请主体,掌握了较为全面的燃料电池技术;而我国相对国外起步较晚,但在国内政策的大力支持下,涌现出一批质子交换膜领域的研发科研院所和企业,对我国在质子交换膜和燃料电池领域起到了很好的推动作用。建议国内企业和研究机构进一步加强产业合力,尽快实现整体突破,并充分借力于政策支持,紧跟科研前沿,继续推进和加快质子交换膜的研发步伐,大力构建自主的专利领地。 相似文献
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近年来,LCD技术不断发展,其成本不断降低,平板电视开始进入中国城镇居民家中。本文从LCD的结构入手对其构造和相关功能膜的成本进行分析讲解,对LCD部分功能膜的制造和中国市场,以及相关功能膜和面板的国际市场给了一个总体介绍。 相似文献
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为了了解钠离子电池专利技术在中国的发展状况,本文以中国专利文摘数据库的检索结果为基础,对钠离子电池专利申请量趋势、重要技术分支、重要申请人做了详细分析,为国内申请人在钠离子电池专利布局和研究提供借鉴。 相似文献
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柔性太阳能电池专利技术分析 总被引:1,自引:0,他引:1
讨论了柔性太阳能电池市场和技术开发的前景,在专利分析软件的帮助下,检索了有关包括染料敏化太阳能电池在内的柔性太阳能电池的专利文献,并针对申请日期,申请的公司和主要的技术特征进行了分析,特别是对其中染料敏化太阳能电池的专利进行了研究和分析并提出了主要的技术细节及特征。文章结尾给出了初步结论。 相似文献
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在研读大量文献资料的基础上,对目前较为流行的LCD的各种宽视角技术原理从根本上做了详细解释,并就其中的富士公司的宽视角补偿膜中的盘状液晶的各种取向控制技术逐一进行详尽的阐述。 相似文献
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High‐density polyethylene (HDPE) films were ozonated in the gas phase and in distilled water, respectively, to improve their surface hydrophilicity. The efficiency of ozonation conducted in the gaseous and aqueous phases was compared. The results indicated that the aqueous ozonation was more effective than its gaseous counterpart in terms of peroxide generation. The results also showed that the concentration of peroxides generated on the film surfaces increased with the applied ozone dose and ozonation time in both phases. It was found that the peroxides generated by aqueous ozonation were accessible to monomers for graft polymerization. The hydrophilicity of the HDPE films was significantly improved by graft polymerization of acrylamide (AAm) initiated by the peroxides. The contact angle reduction from 74.9° to 38.6° indicated the successful graft polymerization. The successful graft polymerization of AAm was further confirmed by the formation of new peaks corresponding to amide groups in FTIR spectra and by scanning electron microscope images. 相似文献
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以聚酯多元醇、二异氰酸酯和丙烯酸羟乙酯为原料,合成聚氨酯丙烯酸预聚体,并在此基础上通过添加活性稀释单体、光引发剂等配制成UV固化胶黏剂。通过分析不同组分在LCD液晶灌注口密封及金属管脚固定的粘接性能影响,确定合成预聚体所需的聚酯多元醇种类及丙烯酸羟乙酯的合适用量,同时确定配胶所需活性稀释单体与光引发剂的合适用量。最后制得粘接性能好、耐候性能佳,可满足LCD产品生产工艺的性能要求的UV固化胶黏剂。 相似文献
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大粒径单分散聚合物微球的制备及其在LCD中的应用进展 总被引:3,自引:0,他引:3
单分散聚合物微球的制备和应用是近年来人们研究的热点。综述了单分散聚合物微球的制备方法和研究进展,具体介绍了分散聚合和种子聚合。并对其在液晶显示器(Liquid Crystal Display,LCD)中的应用进行了介绍,对其未来的研究方向和应用前景进行了展望。 相似文献
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The effects of crosslink enhancement by the presence of acetylene during gamma irradiation, on the physical and mechanical properties of polypropylene film are reported. Gel contents show that crosslink enhancement is considerably greater if the sample is highly annealed (PPA) than if it is quenched (PPQ). For PPA, thermal analysis suggests only minor damage to the crystalline lamellae, but significant stabilisation of lamellae by crosslink formation in the lamellar surface regions. This is supported by an increased resistance to the yielding process observed in tensile stress/strain and creep tests. The effects in PPQ is less. 相似文献
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Jo Ann S. Kinney 《Color research and application》1983,8(2):82-89
This article summarizes the work of TC-1.4 of the CIE in its attempt to improve the measurement of the quantity of light. It has become apparent in recent years that there are a number of instances in which two lights that measure the same do not look equally bright or have the same effectiveness for vision. These inconsistencies stem directly from our definition of light, radiant power evaluated by V(Λ), the luminous efficiency function of the human eye. since under certain conditions the use of this function to evaluate spectral irradiance may be inappropriate. A number of examples of the incorrect use of V(Λ) are given and particular emphasis is placed upon the evaluation of self-luminous colored displays. A variety of techniques for solving the problems is discussed. 相似文献
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