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[Analysis Case] Component Analysis of Additives in Rubber Products

We will conduct a comprehensive qualitative evaluation of vulcanization accelerators, aging inhibitors, lubricants, and other substances in rubber products.

Rubber products contain various additives such as vulcanization accelerators, antioxidants, plasticizers, and lubricants. This document presents case studies of the analysis of additives found in commercially available rubber products. After immersing the rubber in an organic solvent, the resulting solution was analyzed using LC/MS/MS, revealing the presence of several additive components, including N-(1,3-dimethylbutyl)-N'-phenyl-1,4-phenylenediamine, which is commonly used as an antioxidant. By conducting LC/MS/MS analysis, comprehensive qualitative analysis is possible.

Company：一般財団法人材料科学技術振興財団　MST
Price：Other

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[Analysis Case] Analysis of Solvents and Additives in Lithium-Ion Secondary Battery Electrolytes

Extraction of electrolyte from the product and component evaluation.

The characteristics and reliability of lithium-ion secondary batteries are greatly influenced by materials, among which the impact of the electrolyte is said to be significant. Commercial products in various shapes, such as cylindrical and laminated types, can have their electrolytes extracted using appropriate methods, allowing for the identification of organic solvents and additives. The following case involves extracts from prismatic batteries, confirming the use of ethylene carbonate (EC), ethyl methyl carbonate (EMC), and diethyl carbonate (DEC) as organic solvents, and fluoroethylene carbonate (FEC) as an additive.