Oxidation Stability of Polymers
Organic polymers degrade under the influence of oxygen even at ambient conditions and the product may no longer be usable. Stabilizers can be added to the polymers to enhance the service lifetime of the plastics. In order to determine the stability of polymers against the influence of oxygen, the oxidation stability can be analyzed with the RapidOxy 100 very easily.
Plastics play an important role in our life, and it is almost impossible to imagine life without them. However, they are exposed to environmental influences such as oxygen, heat, light, and radiation.
To minimize the damage of a product, antioxidants can be added to the polymers. Thus, the degradation of the product triggered by the oxidation process is interrupted. The protection provided by antioxidants is characterized by a prolonged induction time. Besides the methods “oven aging” or “differential scanning calorimetry” (DSC), the oxidation stability can be determined using the RSSOT (Rapid Small-Scale Oxidation Test) method.
The RapidOxy 100 artificially accelerates the oxidation process by using increased temperature and oxygen pressure. It is an extremely fast test method to determine oxidation stability without preliminary sample preparation.
This report refers to the irreversible thermal-oxidative process of polymers and the measurement of the oxidation stabilty with the RapidOxy 100.
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