Polyvinyl chloride resin (PVC) is polymerized from vinyl chloride monomer, because of its unique flame resistance, abrasion resistance and weather resistance and other characteristics, has become general-purpose plastics. It is a significant material in people's life. But there is unstable structure in PVC, it will lead to the degradation of HCl and affect on material properties. So it is necessary to add the thermal stabilizer in fabrication of PVC. The most commonly used heat stabilizers is lead salt stab...