How to solve the odor problem of PP flame-retardant plates?

With the improvement of residents' living standards, the requirements for plastic products are becoming more and more stringent, such as the requirement for lower odor. To achieve low - odor PP plates, the selection of raw materials is crucial. As a commonly used modified material, how can PP achieve low odor?

First, let's take a look at the sources of odor:

- Polymerization stage: Residues of monomers, catalysts, emulsifiers, by - products, oligomers, etc. in the raw material synthesis process.

- Modification stage: Volatile small - molecule compounds produced by the decomposition reaction of raw materials, additives, fillers, etc. in the formula.

- Molding stage: Small molecules produced by material degradation caused by screw shearing in the injection molding process.

Therefore, the screening of resins, the selection of fillers, the combination of processing aids, the molding and post - treatment processes are all matters that need attention. In addition, deodorants can be added during the processing process.