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Four Production And Processing Processes Of Zinc Stearate
Zinc stearate is mainly used as PVC stabilizer, as well as styrene resin, phenolic resin, amine resin lubricant and mold release agent. Below, tell us the production and processing technology of zinc stearate.
2022
02-21
Note For Use Of PVC Stabilizer
PVC stabilizer is mainly used in the processing and forming of various plastic products. PVC stabilizer as a chemical substances, in the use of attention to some problems, to avoid the risk.
2022
02-21
PVC Heat Stabilizer Plays An Important Role In PVC Industry
The past century has seen polyvinyl chloride (PVC) grow from a laboratory novelty to the world's second largest and most dynamic plastic. Despite the inherent poor thermal stability of PVC resin, PVC mixture in the processing temperature range of PVC and metal surface adhesion friction coefficient is high, but the PVC industry has grown up. This is due to the invention and use of PVC heat stabilizer, plasticizer and lubricant additives. Many soft and hard PVC mixtures can be processed into a wide variety of useful PVC plastics by using PVC heat stabilizers and other additives. PVC heat stabilizer plays an important role in PVC industry.
2022
02-21
Packaging Problem Of PVC Stabilizer
In the production of PVC stabilizer, products need to be packaged, although it is only a small packaging problem, but also need to pay attention to. Below, and you say, PVC stabilizer packaging needs to solve what problems.
2022
02-21
Thermal Degradation Of PVC Heat Stabilizer
During the thermal degradation of PVC heat stabilizer, almost no monomer is produced, but a large amount of HCl is generated. The mechanism of thermal degradation of PVC is very complex, and the mechanism of action of PVC thermal stabilizer is also very complex. Based on the current research results, the effects of PVC heat stabilizer can be summarized into two types: preventive type (neutralizing HCl, replacing unstable Cl atoms and preventing automatic oxidation) and remedial type (reacting with unsaturated parts of PVC to destroy carbocation). Broadly speaking, all additives added for the purpose of improving the thermal stability of polymers can be called thermal stabilizers. Heat stabilizer in addition to a small number of applications in rubber and other resin processing, mainly used for the problem of thermal stability is very prominent PVC processing, therefore, usually said the heat stabilizer refers to PVC and PVC copolymer used by the heat stabilizer.
2022
02-21
What Are The Main Properties Of Calcium Stearate
As a special calcium stearate for cement foaming, it is a kind of non-toxic, environmentally friendly and non-dangerous white emulsion, which has the characteristics of good water dispersion, compatibility and delicate lubrication. In the process of use, it can improve the flow performance of mortar and enhance the impermeability of building materials.
2022
02-21
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