纳米涂料光学性能和抗老化特性表征和评价.pdf

·86· 广州化工 纳米涂料光学性能和抗老化特性表征和评价 黎军 (广东产品质量监督检验研究院，广东顺德528300) 摘 见一红外光透射光谱和老化前后失光程度、失光率、变色程度和色差值；其抗老化特性评价方法为评定其失光等级和变色等级。本文 对纳米涂料光学性能和抗老化特性的表征和评价方法进行研究。 关键词：纳米材料；光学性能；抗老化；表征；评价 Characterizationand Methodsfor and Appraisal OpticalPropertyAgeing ResistanceinNano Coatings uJun InstituteforProduct Shunde (GuangdongTesting QualitySupervision，Guangdong528300，China) nanomaterialwhichhadexcellent and resistanceincluded Abstract：The opticalpropertyageing nano coatingsmainly SO of and on．Thecharacterizationmethodsfor and resistanceinnano Ti02，Si02，Zn0，ATO opticalpropertyageing tomeasure wereused theirultraviolet—visible—infraredand of coatings spectrumdegreelossinggloss，lossingglossrate， of color of methods resistancewerethe schemesof degreelossingcolor，andlossingrate．Appraisalageing rating degrada- tionof and colorinnano and characterizationmethodsfor and lossinggloss lossing coatings．The appraisal opticalproperty resistanceinnano werereviewed． ageing coatings Keywords：nano coatings；opticalproperty；ageingresistance；characterization；appraisal 000 纳米涂料的光学性能指其在200—10m波长范围内的 近蓝端的可见光谱吸收多于锐钛型，故色调略带黄相。金红石 反射、吸收和透射情况，包括200—400nln范围的紫外光透射光 型和锐钛型二氧化钛折射率分别为为2．74和2．52，消色力分别 000 650一l 200～1 谱，400一800n