Glycerol zinc and PVC heat stabilizers

Glycerin zinc can do as PVC heat stabilizers? Commonly used calcium and zinc heat stabilizer nontoxic, inexpensive, good  oxidized PE WAX lubrication, but poor thermal stability, and zinc soap often caused by products "zinc burning", we must develop new and efficient Ca-Zn composite heat stabilizer. This cheap and easily obtained using glycerol and zinc oxide as raw materials, zinc complexes synthesized glycerol (glycerine referred zinc), tested its heat stabilizers for PVC thermal stability, and the zinc complex of one pack stabilizer  glycerol was studied .
Using Congo red paper, thermal oven aging test method and the rheometer tests to compare zinc stearate, zinc complexes of glycerol (glycerine referred zinc) as polyvinyl chloride (PVC heat stabilizers) thermal stabilization studied, and the zinc complex of glycerol were Sodium stearate  studied; also studied for PVC stabilizers of weatherability. The results show that zinc and calcium stearate of glycerol in the mass ratio of 1.0/l.5 has good synergy, glycerin, calcium zinc aim month and month more epoxidized soybean oil and vinegar, triphenyl phosphite mass ratio of 1.0 / l.5/0.2/0.2 is better synergies; glycerol zinc Deng studied more months aimed calcium compound heat stabilizer for PVC has good thermal stability, PVC and composite heat stabilizer mass ratio 100.0 .9 when thrown, PVC heat stabilizers Congo red test time up to 25, llirl, heat drying time aging test thermal stability up to 130: llin. In addition, the study found epoxidized soybean oil and triphenyl phosphite cool Shuo more months for zinc stearate, calcium compound heat stabilizer aims also has good synergy.