PVC用热稳定剂的制备及性能研究  

Preparation and Performance Study of Heat Stabilizers for PVC

作　　者：梁国伟 梁国超 梁源德 Liang Guowei;Liang Guochao;Liang Yuande(Guangdong Keli New Materials Co.,Ltd.,Yunfu Guangdong 527400,China)

机构地区：[1]广东科力新材料有限公司,广东云浮527400

出　　处：《山西化工》2024年第4期21-23,47,共4页Shanxi Chemical Industry

摘　　要：为了提高PVC的热稳定性,对PVC用热稳定剂PU进行了研究,使用不同原料制备了3种PU,并对产物进行测试;制备了18种性能实验试样,使用刚果红法与热老化法对试样进行了分析,证明了PU能够作为钙锌复合热稳定剂的辅助热稳定剂提高PVC的热稳定性,侧面验证了PU具有良好的性能,为后续实际应用提供了理论与实验支撑。In order to improve the thermal stability of PVC,the heat stabilizer PU for PVC was studied.Three types of PU were prepared using different raw materials,and the products were tested.18 performance experimental samples were prepared and analyzed using Congo Red method and thermal aging method.It was proved that PU can serve as an auxiliary heat stabilizer for calcium zinc composite heat stabilizers to improve the thermal stability of PVC.This indirectly verified the good performance of PU,providing theoretical and experimental support for subsequent practical applications.

关 键 词：PVC PU 热稳定性 刚果红法 热老化法 

分 类 号：TQ325.3[化学工程—合成树脂塑料工业]