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R&D Reports

vol. 2010 - II (2010.11.30 issue)

Trends and Views in the Development of Technologies for Chlorine Production from Hydrogen Chloride

Sumitomo Chemical Co., Ltd. has developed a catalytic process that is highly recognized and applied worldwide as a technology for recycling the hydrogen chloride generated as by-product in isocyanate plants into chlorine. In this article we outline the trends and views in the development of various technologies for chlorine production from hydrogen chloride, and present the recent advances in catalyst technology for the Sumitomo Chemical process.
( 4-12 by Hiroyuki ANDO,Youhei UCHIDA,Kohei SEKI,Carlos KNAPP,Norihito OMOTO,Masahiro KINOSHITA )

Discovery and Development of Profluthrin (Fairytale®), a New Active Ingredient of Moth Proofer

Profluthrin (Fairytale®), a newly discovered insecticide from Sumitomo Chemical Co., Ltd., provides high efficacy against fabric pests and also has relatively high vapor pressure and low mammalian toxicity, which means Profluthrin has various superior properties as an active ingredient of moth proofers. In addition, it has excellent activity against sanitary pests like flies, mosquitoes and cockroaches. Profluthrin was launched in 2004 in Japan, and several companies have adopted it for their household insecticide products. In this report we will introduce the outline of the new synthetic pyrethroid Profluthrin.
( 13-23 by Kazuya UJIHARA,Masayo SUGANO,Kazuhide NAKADA,Kazunori IWAKURA,Keiichi NISHIHARA,Hiroshi KATOH )

Offering High Performance and High Functionality of TPE for Airbag Cover Applications

Airbag devices installed to protect passengers in cars are veiled with a part that is called an "airbag cover" made of TPE. The impact performance at low temperature and durability to maintain performance after many years, are important requirements for TPE used for airbag covers. Recently in line with an increase in the types of vehicles being equipped with airbags and in installation locations, the demand characteristics required from TPE for airbag cover applications have changed due to differences in the construction and shape of airbags. In this paper, we present the approaches on offering high performance and high functionality of TPE for airbag cover applications with examples of the airbag devices for drivers and for passengers.
( 24-31 by Kousuke OHTANI,Tatsuo SASSA )

Development of Control Performance Diagnosis System and its Industrial Applications

The control performance diagnosis system, PID Monitor, and the PID tuning tool, PID Tune, have been developed. These systems are useful in improving the control and maintaining high productivity of plants. PID Monitor observes the performance of all controllers in the plant, and it picks out the loops which have problems. The diagnosis report is displayed as a Web page on the intranet. The operator and the staff can efficiently improve the control by supervising it. PID Tune is used to tune extracted loops. It is able to do the tuning safely without process changes, as it does not need specific plant tests. This paper introduces the technical background of these systems and some applications in a real plant.
( 32-39 by Hidekazu KUGEMOTO )

Recent Progress in LC-NMR

LC-NMR has been noted as a practical method for mixture analysis in recent years. Technical backgrounds of high performance LC-NMR are discussed from the point of view of NMR, chromatography and related technologies. Constituent profiling and LC-2D NMR are introduced as practical applications. Further hyphenated techniques such as LC-NMR/MS and chiral LC-CD-NMR are also described.
( 40-49 by Takashi TOKUNAGA,Masahiko OKAMOTO )

Contribution of Chromatography and Hyphenated Technology to Production Process Development for Pharma Chemicals

”Chromatography"is an indispensable technique for treating small organic molecules, and "Hyphenated Technology", which means a combination of two different techniques (in this case, chromatography and mass spectrometry, etc.), is a powerful tool for quick on-line identification of trace amount impurities in processes. During production process development for active pharmaceutical ingredients (APIs) and reactive intermediates, these techniques are mainly utilized for confirmation of synthesized target molecules, by-products and impurities, and also for their identification. This paper describes the contribution of these techniques to process study acceleration and product quality improvement, while showing some examples.
( 50-61 by Masafumi UEDA,Yoshimi FUJII,Tomokazu NAKAMURA )

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