Synthesis of Calcium Glycerolate Heat Stabilizer by Bio-based Materials and Its Application in PVC
Calcium glycerolate(CaGly) was synthesized by calcium hydroxide and biomass feedstocks glycerin,the thermal stability of calcium glycerolate with zinc stearate and 1,3-dimethyl-6-aminouracil(DMAU) for PVC were investigated by static thermal aging,Congo red test,conductivity test and thermogravimetry.The results showed that the best static thermal stability of PVC was obtained when the mass ratio of calcium glycerolate and zinc stearate was 1.33/0.67 with 0.5 ％ DMAU,and the thermal stabilization time was 72.6 min.The data of apparent kinetics of thermal degradation indicated that CaGly/ZnSt2 system had a better thermal stability than CaSt2/ZnSt2system and CaGly/ZnSt2/DMAU system had a better thermal stability than CaGly/ZnSt2 system.
NETL
NSTL
万方数据
维普
