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Antioxidants for Adhesives

Adhesives and their raw materials react like other organic materials with oxygen in a process called autoxidation. This guide offers you an extended overview of Antioxidants in the adhesives & sealant industry. You will be able to select the antioxidant you need from the different antioxidant families mentioned here. This guide will also take a look into antioxidant benefits and applications. You can also check how to test and determine the efficiency of the antioxidant(s) you have selected.

Tests to Determine Efficiency of Selected Antioxidants


There are a variety of test methods available for selecting the proper antioxidant for an adhesive formulation and specific application. These test methods generally monitor the effectiveness of the antioxidant package by change in physical property on aging. Regular determinations of color, mechanical properties, or other parameters are used to follow the changes of the specimen. Analytical tests such as oxygen index time by differential scanning calorimetry (DSC) can also be used to determine the effectiveness of various antioxidants.

Suitable antioxidants for plastics have to be selected according to two important phases of their life cycle:
  • Stabilization of the resin during high temperature processing and
  • Stabilization during its service life.

High Temperature Processing Test Methods

  

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