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51314-3962-Behaviour of Benzotriazole Salts in Multi Metal Formulations for Corrosion Inhibition of Copper

Picture for Behaviour of Benzotriazole Salts in Multi Metal Formulations for Corrosion Inhibition of Copper
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Product Number: 51314-3962-SG
ISBN: 3962 2014 CP
Author: Mehmet Ali Akyüz
Publication Date: 2014
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Benzotriazole and triazole compounds are well-known copper corrosion inhibitors. Also benzotriazole is used as volatile corrosion inhibitor (VCI) for copper. Sometimes copper is used together with iron and other metals within the same part or structure. To protect mixed metal components that have copper benzotriazole is used along with other corrosion inhibitors as in multi-metal inhibitor formulations. However when mixed with other corrosion inhibitors the chemicals may react with benzotriazole and may generate different kinds of salts. These new salts may cause more harm to copper. Therefore it is important to check the compatibility of different corrosion inhibitors with benzotriazole. In this study benzotriazole salts were investigated; whether or not to be an acceptable VCI for copper in multi metal applications. To analyze the volatile corrosion inhibition ability; our modified German TL 8135-002 test method was used. This test method was adjusted for copper.
Benzotriazole and triazole compounds are well-known copper corrosion inhibitors. Also benzotriazole is used as volatile corrosion inhibitor (VCI) for copper. Sometimes copper is used together with iron and other metals within the same part or structure. To protect mixed metal components that have copper benzotriazole is used along with other corrosion inhibitors as in multi-metal inhibitor formulations. However when mixed with other corrosion inhibitors the chemicals may react with benzotriazole and may generate different kinds of salts. These new salts may cause more harm to copper. Therefore it is important to check the compatibility of different corrosion inhibitors with benzotriazole. In this study benzotriazole salts were investigated; whether or not to be an acceptable VCI for copper in multi metal applications. To analyze the volatile corrosion inhibition ability; our modified German TL 8135-002 test method was used. This test method was adjusted for copper.
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