CAJ | 학술논문

对不饱和聚酯树脂粘合的人造石英石板材进行了人工紫外加速老化试验，通过显微观察其表面形态，比较色差值，并采用红外谱图分析，研究石英石板材的紫外老化情况。试验结果表明，四种类型的不饱和聚酯树脂石英石在经过500 h紫外照射后，表层都会出现不同程度的粉化现象。而FTIR谱图显示，树脂并没有出现明显的链降解，石英石板面的粉化应是石英粉与树脂的接合面在老化试验中发生分离，导致石英粉脱落。
대불포화취지수지점합적인조석영석판재진행료인공자외가속노화시험，통과현미관찰기표면형태，비교색차치，병채용홍외보도분석，연구석영석판재적자외노화정황。시험결과표명，사충류형적불포화취지수지석영석재경과500 h자외조사후，표층도회출현불동정도적분화현상。이FTIR보도현시，수지병몰유출현명현적련강해，석영석판면적분화응시석영분여수지적접합면재노화시험중발생분리，도치석영분탈락。
The unsaturated polyester resin( UPR) artificial quartz stones were accelerated aging by UV radiation in this study. The microexamination was performed to observe the surface and compare the chromatisms. Further-more,infrared spectra analysis was carried out to investigate the degree of aging. Results showed that the surfaces of four types of UPR stones were efflorescent in different degrees after 500 h of UV irradiation. And FTIR spectrograms indicated that there is no obvious chain degradation of resins,the efflorescence of stones was due to that the quartz powder and resin were separated in the adjoining plane during aging test,leading to the falling out of quartz powder.