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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.

Benefits of Antioxidants

During their life cycle, adhesives or adhesives components can undergo degradation as shown in the table below. Any one of the factors in the life cycle leads to an undesirable change in physical properties of the unstabilized adhesives, creating manufacturing problems, poor product appearance and reduction of adhesive strengh. The role of antioxidants is to prevent or retard all these undesirable changes.

Antioxidant benefits in adhesives

Main benefits of antioxidants like color stabilization, viscosity stabilization,or retention of adhesive properties will preserve quality an performance of adhesive formulations during all its life cycle, as illustrated in the figure above.

2019 POLYURETHANES TECHNICAL CONFERENCE
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