Effect of Mechanical Activation Treatment of Titanium Dioxide on Mechanical Properties of Plastics
The table below shows the mechanical performance test data. It can be seen: the gap PP template containing titanium white powder mechanical activation process has increased impact strength, tensile strength substantially constant.
Generally, these inorganic titanium white powders and core powders are distributed in the form of rigid particles in the resin, so that the toughness of the material is lowered and the notched impact strength is also lowered. However, the core material we selected used to add a certain amount of interfacial modification material during the calcination treatment, which greatly improved the affinity between the inorganic particles and the resin matrix. Coupled with the easy dispersibility of mechanically activated titanium dioxide, the inorganic particles induce a shear band in the cross section of the material during impact fracture, which consumes a lot of energy and improves the toughness of the material. In addition, due to such improved affinity and dispersibility, when the material is subjected to an external force, the matrix is ​​less likely to undergo stress concentration, and thus the tensile strength is substantially unchanged.
In addition, we have also found that the difference in mass percentage of titanium dioxide in the titanium dioxide treated by mechanical activation does not substantially affect the tensile strength of the plastic.
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