Utilizing the Properties of Functional Materials: Sheet Formation Using Papermaking Technology
By forming sheets using papermaking technology, we combine the characteristics of the material with the flexibility, processability, and porosity unique to paper
TOMOEGAWA designs and develops various functional materials according to customer requests. We create sheets with a variety of functions through contract manufacturing or collaboration using customer-supplied or specified materials. Customization of various properties is also possible by controlling fiber diameter, thickness, and porosity. Please share your requirements with us.
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Basic Information [The Advantages of Sheet Formation Using Papermaking Technology] 1. Excellent flexibility and conformity like paper When bonding with dissimilar materials, the sheet's conformability absorbs thermal stresses arising from differences in coefficients of thermal expansion (linear expansion coefficient) and elasticity. Additionally, it is possible to strongly adhere the sheet by allowing adhesive to penetrate the porous sections. 2. processability It can be easily cut with scissors or cutters and can also be shape processing such as bending and shaping. Contributes to enhanced functionality, weight reduction, and design flexibility of final products. What TOMOEGAWA Can Achieve 1. Sheet formation using fibers other than wood pulp Various raw materials, such as metallic fibers, synthetic resin fiber, and inorganic fibers, can be formed into sheets using papermaking technology. We also excel in the papermaking of colored fibers, such as black fibers. 2. Converting powder into highly loaded sheets By incorporating functional powder into the fibers, we are able to maintain the properties of the powder at a higher level compared to the coating method. In addition, with our advanced papermaking technology, TOMOEGAWA is able to retain functional powder at a high density within the fibers. 3. Integration of multiple functional fibers into a single sheet By simultaneously papermaking both the main fibers and binder fibers in the papermaking process, it is possible to form the fibers into sheets.
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We have extensive experience in sheet manufacturing using copper, stainless steel, fluorine, inorganic materials, and more.
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In June 1914, TOMOEGAWA started its path as a pioneer of industrial specialty paper in Japan, and succeeded in domestic production of “electrical insulating paper and telecommunications paper” to meet the needs of telecommunications industry. In the 1960s, we earned a reputation as a 'Tomoegawa of Specialty Paper' by developing papers for multiple industries, with our strength in integrated production from wood pulp. Since then, TOMOEGAWA has developed "papermaking, coating, adhesive, powder" technologies and expanded its business domains to "highly functional materials." In recent years, with the spread of 5G, advanced driver assistance systems, etc., and the promotion of DX, many electronic parts require control for high voltage, high current, high frequency. TOMOEGAWA has expanded our "iCas" brand products that control "heat, electricity, and electromagnetic waves" to produce various solutions for heat, noise, etc. TOMOEGAWA has also formed “GREEN CHIP” brand, focusing on new products that contribute to the conservation of the natural environment and control of manufacturing and operating environments. In addition, we have changed our company name from TOMOEGAWA Co., Ltd., to TOMOEGAWA CORPORATION on January 1, 2024, in order to clarify the actual situation of our company and aim for sustainable corporate growth.