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Department of Materials and Chemistry

Contributing to industrial competitiveness enhancement by synergistic interaction between materials and chemical technologies

We are developing technologies to enhance added value of functional chemicals, and to realize practical use of new materials, with strengthening value chains of materials through synergistic interaction between materials and chemical technologies in mind. Thus, we are aiming to contribute to the primary materials and chemical industries.

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New Research Results

Development of Technique for One-Pot Synthesis of Siloxane Bonds

AIST has developed a one-pot synthesis technique that selectively forms siloxane bonds which form the main skeleton of organosilicon materials, in order to synthesize structurally well-defined siloxane compounds in one process. With the developed technique, it is possible to synthesize siloxane compounds with a structure corresponding to the order in which dihydrosilanes (or trihydrosilanes) are added to the reactor vessel. Because by-products are not produced or they can be easily separated, it is possible to reduce processes such as isolation and purification of products and washing of reactor vessels after each reaction.

Figure of the developed technique for the precise formation of siloxane bonds

The developed technique for the precise formation of siloxane bonds

Development of a Technology That Detects Only Fluorine-containing Gases Whose Biological Effects Are a Concern

AIST has developed a detection agent that can detect selectively and with high sensitivity fluorine-containing etching gases, which are used in semiconductor fabrication processes. The developed detection agent reacts with the double bonds of the etching gases, causing it to change color. Perfluorocarbons and similar gases that are used as refrigerants and cleaning agents do not react with the detection agent, since they consist solely of single bonds, with no double bonds, and therefore do not generate false alarms, even during replacement of the refrigerant. The researchers have also developed a prototype of a compact leak detector that uses the detection agent.

The developed detection agent (left) and changes in color when the agent comes into contact with fluorine-containing gases (right) figre

The developed detection agent (left) and changes in color when the agent comes into contact with fluorine-containing gases (right)


Open Innovation Laboratory

Since FY 2016, as a part of the “Open Innovation Arena concept” promoted by the Ministry of Economy, Trade and Industry (METI), AIST has been engaged in the provision of “Open Innovation Laboratories” (OILs), which are collaborative research centers established on university campuses.

AIST will merge the basic research carried out at universities, etc. with AIST’s goal-oriented basic research and applied technology development, and will promote bridging research and development and industry by the establishment of OILs.


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