A calcium zinc heat stabilizer and its preparation method and process

Background technology:

Calcium and zinc stabilizers are usually divided into solid calcium and zinc stabilizers and liquid calcium and zinc stabilizers. Calcium and zinc stabilizers are mainly composed of calcium salts, zinc salts, lubricants, antioxidants, etc. They are synthesized using special composite processes. It can not only replace toxic stabilizers such as lead cadmium salts and organic tin, but also has good thermal stability, photostability, transparency, and coloring power. Practice has shown that in PVC resin products, the processing performance is good, and the thermal stability is equivalent to lead salt stabilizers, making it a good non-toxic stabilizer.

Calcium zinc stabilizer is prone to moisture, low lubricity and hardness, and low chemical stability when used, resulting in poor long-term effect of solid heat stabilizer on the market and low popularity of its use

During the processing of calcium zinc stabilizers, due to the short mixing time of the materials, they cannot be fully mixed, which affects the quality of the processed heat stabilizers. The specifications of the discharge holes of the heat stabilizers are single, making it difficult to produce different specifications of heat stabilizers and not convenient to use.