Application of Liquid Calcium and Zinc Stabilizer in PVC Plastic Processing
To test the availability of liquid calcium and zinc stabilizer in PVC plastic processing.The thermal stability of the stabilizer was evaluated by using the laboratory two-roll plastic mixer and torque rheometer,and compared with the commercially available similar products.The results show that the yellowing value in 8 minutes of liquid calcium-zinc stabilizer in hard PVC plastics is about 30,while in soft plastics,the yellowing value in 24 minutes is less than 5 and the transparency is high.In addition,under the same conditions,the plasticizing rate of liquid calcium and zinc 1# sample is fast,14.2 Nm/min,the minimum torque is 11.8Nm,the maximum torque is 15.7Nm,low balance torque,good product lubricity,low processing energy consumption,proving that liquid calcium and zinc stabilizer has strong applicability in polyvinyl chloride processing,especially transparent soft plastic processing.
calcium and zinc stabilizerpolyvinyl chloridethermal stabilityapplication
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