Chukyo Yushi Co., Ltd.

Chukyo Yushi Co., Ltd. is a Japanese chemical company that develops functional oil and chemical products based on its proprietary emulsification and dispersion technology. Founded in 1927 as a wax and oil merchant in Nagoya, it began manufacturing its own products in 1930 and was reorganized as Chukyo Yushi Co., Ltd. in 1950. The company positions itself as a "Global Niche Company" and supplies water-based, environmentally conscious products such as resin additives, antistatic agents, biodegradable resin emulsions, release agents, and anti-squeak agents. Since 2021 it has operated under a holding company structure with Chukyo Yushi Holdings as its 100% parent.

Chukyo Yushi traces its origins to October 1927, when a wax and oil merchant named Ando Shoten was founded in Nishi Ward, Nagoya. In April 1930 the business began manufacturing its own products. In February 1941 it was reorganized as a company under the name Yugen Kaisha Chukyo Yushi Kogyosho. In December 1947 an oil agent factory was newly established and relocated to Tomikawa-cho, Nakagawa Ward, Nagoya. In December 1950 the company was reorganized and renamed Chukyo Yushi Co., Ltd. An Osaka sales office was opened in April 1952 and a Tokyo sales office in January 1964. In March 1971 the Nagoya Plant was completed in Ama District, Aichi Prefecture. In February 1975 the head office was newly established and relocated to Tomikawa-cho, Nakagawa Ward, Nagoya. In May 1987 Korea Chukyo Co., Ltd. was established in South Korea, followed by Cytech Products Inc. in the United States in March 1988 and Chukyo Europe GmbH in Germany in May 1990. In November 1990 the Aichi Plant was completed in Handa City, Aichi Prefecture. In May 1997 Korea Chukyo Co., Ltd. was sold to local capital. ISO9001 certification was obtained in June 2002 and ISO14001 certification in August 2004. In December 2007 the Osaka sales office was integrated into the head office. In December 2009 Chukyo Yushi (Thailand) Co., Ltd. was established in Thailand. In December 2013 there was a change of representative, with Ito Choichi becoming chairman of the board and Ito Hideki becoming representative director and president. In March 2016 the head office, sales headquarters, and development center were newly established and relocated to Ama City, Aichi Prefecture. In June 2018 the Tokyo sales office was integrated into the head office. In December 2021 a 100% parent company, Chukyo Yushi Holdings Co., Ltd., was established through a share transfer, and the company transitioned to a holding company structure.

Global Niche Company providing environmentally conscious water-based functional oil chemical products.

• Resin additive - antioxidant

  Antioxidants emulsified and dispersed in water using proprietary emulsification and dispersion technology; used to stop polymerization during radical polymerization and to prevent heat-induced discoloration and strength reduction during resin drying.

• Conductive/antistatic agent

  Water-based conductive coating agents for antistatic use on optical films, etc.; available in polythiophene (PEDOT) and carbon nanotube (CNT) types.

• Biodegradable resin emulsion

  Emulsion of biodegradable resin developed to make biodegradable resin easier to use, enabling environmentally friendly water-based coating without solvents.

• Release agent

  Products applied to molds when molding various resins such as urethane, used to prevent molded products from sticking; available in both solvent-based and water-based types.

• Anti-squeak agent

  Products to prevent abnormal noise caused by rubbing of seats and other interior parts, applied to areas where noise may occur.

• Rezem T-738

  Water-based product that imparts various functions such as release and water repellency to film and paper surfaces; highly alcohol-dilutable.

• Granule additive

  Proposals including formulation for dispersants, binders, and various additives to obtain spherical solid granules with good moldability in spray-dry granulation.

• Lubricant

  Products made by adjusting various waxes to arbitrary particle size and emulsifying/dispersing them; added to coating agents to impart lubricity, blocking prevention, and matting properties.

• Thermosetting imide emulsion

  Unique product responding to modification of various thermoplastic polymer emulsions.

• Resale products

  Sales of products from various manufacturers.

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