Sulfonation is a method of reacting organic materials with concentrated sulfuric acid or SO3 gas to obtain a sulfonic acid group as a functional group.
Secondary batteries using these separators are not only used in computers and mobile phones, but practical applications have also begun for batteries in hybrid and electric vehicles, with a sharp increase in demand expected in the future. In addition to secondary battery separators, a wide range of developments is anticipated, including cation exchange membranes for fuel cells and antistatic films.
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basic information
Sulfonation is a method of reacting organic materials with concentrated sulfuric acid or SO3 gas to obtain a sulfonic acid group as a functional group. As one of the developments of our sulfonation business into high-performance materials, our company has ventured into the sulfonation business for film and sheet materials.
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P4
Applications/Examples of results
This involves a unique sulfonation technology using anhydrous sulfuric acid gas to impart the necessary hydrophilicity to non-woven fabrics and films for separator applications, such as in nickel-hydrogen secondary batteries.
Company information
In response to the rapidly changing social conditions, we are actively and boldly advancing the development of new technologies and products, expanding our fields of activity into cutting-edge areas such as photocatalytic titanium oxide and electromagnetic wave absorbing materials. Additionally, we are committed to ensuring harmony between people, nature, and technology by implementing responsible care activities to protect the environment, safety, and health throughout the entire product lifecycle, including obtaining the international environmental standard ISO 14001.
