主要研究了高聚合度聚氯乙烯（H PVC）的热稳定性和热分解过程以及光老化对HPVC性能的影响。
The heat stability, thermal decomposition behavior and the effect of light aging on performance of HPVC were studied.
木质素对塑料的力学性能、老化性能、热稳定性、热氧降解性能等都有不同程度的影响。
Lignin has influences at different extents on mechanical properties, ageing property, thermostability and thermal degradation of plastics.
AO - 1抗氧剂具有良好的热老化性、热稳定性和光稳定性，是一种非污染的硫代双酚型高效主抗氧剂。
The AO-1 antioxidant, with good thermal ageing property, thermal stability, and light stability, is a thio-biphenyl type high-efficient major antioxidant without pollution.
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