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Calcium And Zinc Stabilizer Has A Certain Degree Of Lubrication


Calcium and zinc stabilizers are usually divided into: solid calcium and zinc stabilizer and liquid calcium zinc stabilizer.

Calcium and zinc stabilizer from calcium salt, zinc salt, lubricants, antioxidants as the main component of the use of special composite process and synthesis. It not only can replace lead and cadmium salts and organic tin and other toxic stabilizers, but also has a very good thermal stability, Ca-Zn Stabilizer light stability and transparency and color strength. Practice has proved that in the PVC resin products, processing performance, thermal stability is equivalent to lead salt stabilizer, is a good non-toxic stabilizer.

Folding solid calcium and zinc stabilizer

Calcium and zinc stabilizer appearance was mainly white powder, flaky, paste. Powder calcium and zinc stabilizer is used as the most widely used non-toxic PVC stabilizer use, Ca-Zn Stabilizer commonly used in food packaging, medical equipment, wire and cable materials. At present, there have been available in the domestic PVC pipe calcium carbide stabilizer.

Powdered calcium and zinc stabilizer thermal stability as lead salt, has its own a certain degree of lubrication, poor transparency, easy to spray cream and other characteristics. In order to improve its stability and transparency, often added hindered phenol, polyol, Ca-Zn Stabilizer phosphite and β-diketone and other antioxidants to improve.

Calcium and zinc stabilizer two systems are divided into hydrotalcite system and zeolite system.

Powdered calcium and zinc stabilizer prices vary, there is no standardized national standard to be standardized.

Epoxy compounds and calcium and zinc stabilizers have a good synergistic effect. Ca-Zn Stabilizer The principle is the epoxy soybean oil and HC1 reaction to produce chlorinated alcohol, and then react with the metal soap HC1 transferred to the metal soap, re-formation of epoxy ring. In addition, in the presence of a Lewis acid such as a zinc compound, the epoxy soybean oil can displace the allyl chloride to form a stable ether compound.

Calcium and zinc stabilizer ingredients in one of the high efficiency auxiliary stabilizer, is generally considered to be achieved by absorbing HCL, the HCL capacity and thermal stability time is basically a linear relationship. The mechanism is divided into two steps: first, the anions (such as CO3-) between the interlayers are replaced by Cl- by the exchange reaction, Ca-Zn Stabilizer and then the hydroxide moiety on the layer is neutralized with HC1 and the lamellar structure is destroyed.


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