共查询到19条相似文献,搜索用时 62 毫秒
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变色熔合双光镜片由变色大片和双光大片两部分玻璃材料组成。本工作根据变色镜片的基本组成特性,研制出适宜的双光小片玻璃,将两者加工成光学球面后熔合在一起,形成具有不同光不曲光度的光不2双光眼镜片。探讨了熔合工艺流程及其要求,工艺参数,小片玻璃的组成与特性要求,各组成因素对其膨胀系数的影响程度,小片玻璃的熔炼工艺与要求,通过运用田口方法进行参数选优的结果,提出了调整因素,通过实验调整,使膨胀系数稳定在规 相似文献
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折射率为1.6的变色玻璃的研制 总被引:1,自引:0,他引:1
本文总结了折射率为1.6倍的变色玻璃的研制工作,研究了显色工艺与玻璃变色性能的关系,讨论TiO2、Nb2O5、ZrO2对变色玻璃性能的影响。 相似文献
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电致变色玻璃可减少办公大楼和民用住宅等建筑物在夏季降温和冬季取暖而必须耗费的大量能源,是目前最有应用前景的智能材料之一。本文介绍了电致变色的材料及相关研究进展,对电致变色玻璃的应用进行了展望。 相似文献
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卤化铜光致变色玻璃变色机理研究 总被引:1,自引:0,他引:1
本文报道了卤化铜光致变色玻璃中光色相物相分析方法和玻璃中铜胶体理论吸收光谱的计算方法。测定了玻璃的顺磁共振谱(ESR)和可见吸收光谱。证明了卤化铜光致变色玻璃的变色机理是CuX自身氧化还原的胶体暗化过程。 相似文献
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本研究把用于工艺美术陶瓷的变色结晶釉应用于建筑陶瓷,采取晶核定位的措施,研究了晶花大小随保温温度、保温时间以及釉层厚度的变化规律,并对釉面的变色效果进行了分析。得到了釉面晶花数量适中、大小合适、分布合理的结晶釉制品,为该类产品的商品化生产奠定了基础。 相似文献
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本研究把用于工艺美术陶瓷的变色结晶釉应用于建筑陶瓷,采取晶核定位的措施,研究了晶花大小随保温温度、保温时间以及釉层厚度的变化规律,并对釉面的变色效果进行了分析。得到了釉面晶花数量适中、大小合适、分布合理的结晶釉制品,为该类产品的商品化生产奠定了基础。 相似文献
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热处理对离子交换法制备光致变色玻璃光色性能的影响 总被引:1,自引:1,他引:0
热处理对离子交换法制备光致变色玻璃光色性能的影响王民权,陈庆云,樊先平(浙江大学材料科学与工程学系310027)EffectofHeatTreatmentonthePhotochromicPropertiesofPhotochromicGlassby... 相似文献
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《国际聚合物材料杂志》2012,61(1-2):63-78
Abstract Photochromic imidazolone azopolycyanurates containing mercury dithizonate moiety have been prepared by interfacial polycondensation technique. All the azopolycyanurates have been characterized by their IR spectra, viscosity, molecular weight by GPC and thermogravimetry. The film of PMMA blended with photochromic imidazolone azopolycyanurate shows a very good photochromic effect on exposure to sunlight and regains its original colour on removal of sunlight. The change of return to the original colour have been measured using Beckman DK-2A Ratio Recording Spectrophotometer. 相似文献
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《国际聚合物材料杂志》2012,61(12):1185-1189
ABSTRACT In this article an attempt is undertaken to verify the approach already successfully applied to polymeric glasses for deriving a simple analytic relationship between the glass transition temperature, Tg , and Vickers microhardness, Hv , (for polymers it is Hv = 1.57 Tg –571, Hv in MPa, Tg in K). On the basis of previously reported data for Hv and Tg of 12 inorganic glasses (lead-silicate-, alkali-silicate-, alumosilacate, and quartz glasses) a linear relationship in the form Hv = 5.87 T g + 1740 (Hv in MPa, Tg in K) is derived. In addition, a critical analysis of the published attempt for theoretical deriving of the relationship between Hv and Tg is also offered. 相似文献
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Liviu Sacarescu Gabriela Sacarescu Mihaela Simionescu Nicolae Hurduc 《Journal of Inorganic and Organometallic Polymers and Materials》2009,19(3):348-354
This work presents the influence of the trans–cis photoisomerization process of azobenzene-segments onto the optical properties of polysilanes. For this purpose 4-(phenyldiazenyl)phenol
and 4-[(4′-nitrophenyl)diazenyl]phenol groups were attached to poly[diphenylsilane-co-methyl(bromopropyl)silane] using the
Williamson etherification conditions. Photoisomerization of the pendant azo-groups by irradiation with 365 nm UV light induced
distortion of the polysilane backbone conformation in a reversible manner. This process was studied by UV spectral analysis
and the photochromic behavior of both polymers was established by taking into account the variation of the σ–σ* absorption
intensity. 相似文献