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抢庄牛牛 >> 光稳定剂 >> 一种稀土光稳定剂的制备及其对PVC热降解性能的影响

一种稀土光稳定剂的制备及其对PVC热降解性能的影响

一种稀土光稳定剂抢庄牛牛的制备及其对PVC热降解性能的影响

抢庄牛牛YIZHENGYIAN、MALAISUANGAN、LVHUALAN、QINGYANGHUANAWEIYUANLIAOHECHENGLEN-ZHENGYIJIMALAIXIANANSUANLAN(Ⅲ),CAIYONGFULIYEHONGWAIGUANGPU(FTIR)、YUANSUFENXI、REZHONGFENXIDENGFANGFABIAOZHENGQIJIEGOUYUXINGNENG;TONGGUOGANGGUOHONGSHIYAN、ZIWAI-KEJIANGUANGPUYI(Uv-vis)、TGAYANJIULEQIDUIJULVYIXI(PVC)DEREWENDINGZUOYONG。JIEGUOBIAOMING,N-ZHENGYIJIMALAIXIANANSUANLAN(Ⅲ)WEIBAISEFENMO,RONGDIANWEI195℃,HUAXUEZUCHENGWEILaL3·2H2O,N-ZHENGYIJIMALAIXIANANSUANGENZHONGDESUOJIYANG、XIANANDANYULANLIZIFASHENGPEIWEI,XINGCHENGAOHEWU。GANGGUOHONGSHIYANJIEGUOBIAOMING:JIARULaL3·2H2OHOUPVCDEREWENDINGSHIJIANCONG4minTIGAODAO19min;UVSHUJUBIAOMINGPVCZAIJIANGJIEGUOCHENGZHONG,LaL3·2H2ODEJIARUYIZHILEDUOXIDESHENGCHENG。TGAFENXIZHENGMING,LaL3·2H2ODAFUTIGAOLEPVCREJIANGJIEDEHUOHUANENG,DANGGUANGWENDINGJITIANJIALIANGWEI3.0%SHI,ZAIKONGQIQIFENZHONGHUOHUANENGCONG115.94kJ/molTIGAODAO154.23kJ/mol,ZAIDANQIQIFENZHONGYOU123.46kJ/molTIGAODAO168.82kJ/mol,PVCDEREWENDINGXINGDEDAOLEMINGXIANTIGAO,LaL3·2H2OKEZUOWEIPVCGUANGWENDINGJISHIYONG。


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