Polyacetal resin in thermoplastic engineering materials, thermal degradation has four ways

First, depolymerization occurs when the polymer is heated or catalyzed by itself, resulting in the release of formaldehyde gas. Polymer molecules can shave this trend. The first type of polyoxymethylene molecular chain occurs in the first type, where the polymer depolymerizes under the influence of heat or its own catalysis, resulting in the release of formaldehyde gas. Polymer molecules can shave this trend.
The second polyoxymethylene molecular chain tears with total acid. It is worth noting that, except for cleaning, we must not process POM with equipment that has been processed with PVC, because there is a high possibility that hydrogen gas will remain in the equipment.
Thirdly, the attack of oxidants at any location also leads to depolymerization of the polymer. The addition of antioxidants can effectively prevent depolymerization. In addition, copolymerization is also an effective means.
The fourth stimulus is thermal depolymerization of the polymer when the temperature is above 270°C. Therefore, we must control the processing temperature at this temperature.