大塚化学 List of Products and Services

Our company handles reaction promoters for synthesizing amide bonds, such as pharmaceutical intermediates, functional resins, and peptide synthesis. Beyond the pharmaceutical business, our life science products are expanding their applications, primarily contributing to your daily life through food additives, fragrances, and hair care ingredients. We also offer a variety of β-lactam compounds, including GCLE, an intermediate for cephalosporin antibiotics. 【Products Offered】 ■ β-lactam compounds ■ Pharmaceutical raw materials and intermediates ■ Fragrances and hair care ingredients *For more details, please download the PDF or feel free to contact us.

• Other additives
• Pharmaceutical Intermediates
• Other pharmaceutical intermediates and cosmetic ingredients

"Pochi Con Filament" is a 3D printer filament characterized by high dimensional accuracy and precision molding capabilities, allowing for the creation of functional parts such as robots. It offers high molding accuracy as a 3D printed product, enabling stable molding over long periods and achieving strength comparable to injection molding. Additionally, it is capable of creating fine parts and exhibits excellent sliding properties. 【Features】 ■ High precision molding capability ■ High dimensional accuracy ■ Excellent surface smoothness ■ Good sliding properties ■ Low aggressiveness towards nozzles *For more details, please download the PDF or feel free to contact us.

• Composite Materials

"Acroad" is a rubber additive that can improve the dispersion of fillers by being added to natural or synthetic rubber. A very small amount of the additive reacts with the rubber polymer molecules during the mixing process, resulting in rubber that has affinity for fillers such as carbon black and silica. Additionally, the improvement in filler dispersion in rubber due to this product significantly enhances various physical properties of vulcanized rubber. [Features] - Low heat generation - Durability *For more details, please download the PDF or feel free to contact us.

• Other additives

The "semiconductor inspection jig substrate" is a board material that possesses micro-reinforcement and low wear properties while excelling in fine processing capabilities. Using a micro-diameter drill, it is possible to process round holes with a diameter of Φ20µm and a wall thickness of 3µm, which are difficult to machine. Furthermore, using a micro-diameter end mill, intricate shapes with numerous 30µm ribs can also be easily processed. Additionally, when processed with a small-diameter drill, the Pochicon IT6B board material has been confirmed to have a smaller amount of hole eccentricity and good positional accuracy compared to comparable materials, as well as minimal burrs. 【Features】 ■ Fine processing capability ■ Good hole positional accuracy and low burr formation ■ Micro-reinforcement in fine processed products *For more details, please download the PDF or feel free to contact us.

• Other polymer materials

Otsuka Chemical Co., Ltd. will jointly exhibit with Toyama Film at the High-Performance Materials Week held at Makuhari Messe, featuring "Plastics Japan" and "Film Tech Japan." We plan to showcase specific use cases utilizing our functional polymers "TERPLUS," functional inorganic materials "TISMO," "DENTALL," functional resin composite materials "POTICON," rubber additives "ACROAD," and 3D printer resin composite materials "POTICON FILAMENT." Toyama Film is expected to exhibit AR (anti-reflective) films and non-silicone separator films. We look forward to your visit. 【Exhibition Overview】 ■ Dates: October 29 (Tuesday) to 31 (Thursday), 2024, 10:00 AM to 6:00 PM (ends at 5:00 PM on the final day) ■ Venue: Makuhari Messe ■ Booth Numbers: 27-60, 28-60 *For more details, please download the PDF or feel free to contact us.

• Rubber

We are pleased to announce that on April 26 (Friday), we will be co-hosting a free hybrid seminar titled "The Cutting Edge of Mid-Molecule Pharmaceuticals - Latest Research and Technologies in Fluorination, Flow Synthesis, and Computational Science" in collaboration with Otsuka Chemical and Syncrest. On the day of the event, there will be presentations from Ryukyu University, Nagoya University, and Syncrest Corporation, followed by a Q&A session. We sincerely look forward to the participation of many of you. This seminar is a must-attend for those interested in organic chemical synthesis research and its implementation technologies aimed at drug discovery. 【Seminar Overview】 ■ Date and Time: April 26, 2024 (Friday) from 14:00 to 15:50 (scheduled to end) * Networking event & lab tour: 16:00 to 17:00 (scheduled to end) ■ Theme: "The Cutting Edge of Mid-Molecule Pharmaceuticals - Latest Research and Technologies in Fluorination, Flow Synthesis, and Computational Science" ■ Participation Fee: Free ■ Format: In-person (Shonan i-Park), WEB (Zoom) *For more details, please refer to the related links or feel free to contact us.

• Technical Seminar

Otsuka Chemical Co., Ltd. offers pharmaceutical CDMO services. Utilizing organic synthesis technology cultivated over many years in pharmaceutical manufacturing, we provide a consistent service from special raw materials to intermediates and mid-sized active pharmaceutical ingredients. With over 60 years of experience in halogenation technology and our unique catalyst development technology, we respond to diverse needs. Please feel free to contact us when you need our services. 【Features】 ■ High pharmacological activity (OEB Category 4) with solid-phase synthesis / flow synthesis capabilities Newly established GMP-compliant multi-purpose plant ■ Consistent service from special raw materials to intermediates and mid-sized active pharmaceutical ingredients ■ Responding to diverse needs through halogenation technology and unique catalyst development technology *For more details, please refer to the PDF document or feel free to contact us.

• Other contract services
• Other services

We are pleased to announce that Otsuka Chemical will hold a free webinar on the theme of "The Development of 3D Printing Technology in the Robotics Industry." We will invite Professor Irie from Nihon University and Professor Endo from Tokyo Institute of Technology as speakers, who will give lectures on "The Latest Topics in Robot Research Utilizing 3D Printing Technology." There will also be a Q&A session on the day of the event. We sincerely look forward to your participation. 【Webinar Overview】 ■ Date and Time: June 16, 2022 (Thursday) from 1:00 PM to 2:30 PM (scheduled to end) ■ Theme: The Development of 3D Printing Technology in the Robotics Industry ■ Webinar Tool: Zoom ■ Participation Fee: Free *For more details, please refer to the related links or feel free to contact us.

• Technical Seminar

We are pleased to announce that Otsuka Chemical will be hosting a web seminar (webinar). This webinar, titled "Trends in Display Technology and the Development of Required Functional Materials," will feature Mr. Hiroaki Kitahara from Tech & Biz Co., Ltd. as the main speaker. We sincerely look forward to your participation. [Overview] ■ Date and Time: December 10, 2021 (Friday) at 1:30 PM (scheduled to end at 3:30 PM) ■ Theme: Trends in Display Technology and the Development of Required Functional Materials ■ Webinar Tool: Zoom ■ Participation Fee: Free Please register for participation using the "Related Links" below.

• LCD display
• Other metal materials
• Technical Seminar

Recently, Otsuka Chemical has created an introductory video that clearly explains the features of our main products and their specific applications, so that customers can gain a deeper understanding of them. The first installment, "ChemCatch," is a catcher agent that excels in deodorization capacity and speed due to its adsorption through chemical reactions. It was developed for the chemical removal of formaldehyde and acetaldehyde generated in new houses and renovations. We offer various grades for water-based and solvent-based applications. Depending on the use, it can be added or blended with various processing agents or resins to impart catcher functionality. 【Features】 ■ Selectively deodorizes neutral odors (aldehydes) ■ Forms a chemical bond with aldehydes, with no release observed after deodorization ■ Capable of deodorizing approximately 0.3 to 0.4 grams of formaldehyde per gram of agent *For more details, please refer to the PDF materials or feel free to contact us.

• Other polymer materials
• Ceramics
• Other safety and hygiene products

We would like to introduce our resin composite material "Pochicon/Wistat." By incorporating potassium titanate fibers "Tismo" and "Dentor" as reinforcing materials, it is possible to provide micro-level reinforcement in thin and narrow sections of molded products. Additionally, molded products made with this material have high mold transferability, resulting in a smooth mirror-like surface. The improvement in dimensional accuracy makes it suitable for precision parts, sliding parts, plated parts, and aesthetic parts. 【Features】 ■ Micro reinforcement capability ■ Excellent friction and wear resistance ■ Excellent recyclability ■ Excellent dimensional accuracy and stability ■ Extreme surface smoothness *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

This product is a 3D printer filament material that incorporates potassium titanate fibers "Tismo" into a resin composite material called "Pochicon," while being compatible with general material extrusion 3D printers. When using filaments with typical reinforced fibers, there are issues where the fibers attack the 3D printer's nozzle, causing internal wear and unstable extrusion, as well as the nozzle becoming easily clogged due to the fibers, making stable long-duration printing difficult. These challenges have been addressed by incorporating "Tismo" into the resin material. 【Features】 ■ Contains the functionality of the resin composite material "Pochicon" with potassium titanate fibers "Tismo" blended into plastic ■ Usable with general material extrusion 3D printers ■ Improved printability, accuracy, strength, and rigidity ■ Capable of long-duration printing *For more details, please refer to the PDF document or feel free to contact us.

• 3D Printer

Aromatic compounds are a group of compounds expected to have a wide range of applications in the field of fine chemicals, such as pharmaceutical and pesticide raw materials, functional polymer materials, or polymer additives. Synthesis methods involve combining various synthetic reactions, such as organic electrochemical synthesis reactions, catalytic redox reactions, and metal-mediated organic synthesis reactions, according to their intended purpose. If you have any questions or inquiries about chemical products that can be used in your own products, please feel free to contact us. [Features] ■ An organic synthesis method that allows for precise control of redox reactions, usable for stepwise oxidation reactions of aromatic side chains, special reduction reactions, and special alkylation reactions. ■ Establishment of catalytic redox reactions and metal-mediated organic synthesis techniques. ■ A group of compounds expected to have a wide range of applications. *For more details, please refer to the PDF materials or feel free to contact us.

• Other polymer materials
• Composite Materials

Otsuka Chemical Co., Ltd. is developing synthetic reagents for peptide-based pharmaceuticals. "1-HOB" is an active esterification agent that promotes reactions during dehydration condensation and prevents racemization of amide bonds. It is particularly effective in preventing racemization during peptide condensation. 【Physical Properties】 ■ Name: 1-Hydroxybenzotriazole monohydrate ■ CAS RN(R): 80029-43-2 ■ Melting Point (°C): 157–160 *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials
• Composite Materials

"Wistatt" is a conductive composite material that incorporates the excellent sliding properties and micro-reinforcement characteristics of "Pochicon," along with conductivity and static electricity prevention properties. By forming a three-dimensional mesh structure for conduction bypass, it exhibits extremely stable and homogeneous conductivity. It enables circuit design and system design as an anti-static and resistive component. 【Features】 ■ Homogeneous and stable conductivity ■ Arbitrary resistance value setting ■ Excellent conductivity stability in thermal environments ■ Micro-reinforcement characteristics ■ Excellent friction and wear properties *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials
• Composite Materials

"Film-grade Pochicon" is a composite material for recyclable thermoplastic films, created by combining a special scaly "filler" with thermoplastic resin, offering low thermal expansion coefficient and high rigidity. Due to its low thermal expansion coefficient and good adhesion properties for secondary processing and metals, its applications extend to flexible substrates and multilayer boards. 【Features】 ■ High rigidity, bend resistance, and surface smoothness ■ Recyclability and low thermal expansion coefficient ■ Thermoplastic: easy secondary processing ■ Solder heat resistance 260°C for 60 seconds ■ Excellent dielectric properties ■ Low thermal fusion at 250°C *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials
• Composite Materials

The "high dielectric poticon" is an advanced composite material that has a high dielectric constant and low dielectric loss due to precise control of dielectric properties. It possesses high dielectric constant/low dielectric loss characteristics in the high-frequency range, along with excellent processability and recyclability typical of thermoplastic resins. Its applications are expanding to advanced information devices such as satellite broadcasting, mobile communications, and high-speed computing. 【Features】 ■ Adjustable relative permittivity ■ Capable of setting relative permittivity between 5 and 15 while maintaining low dielectric loss ■ Extremely excellent scalability and surface smoothness ■ Superior moldability *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials
• Composite Materials

"RUVA-93" is a reactive ultraviolet absorber that can easily polymerize with styrene, methacrylic acid esters, acrylonitrile, and others, incorporating ultraviolet-absorbing functional groups into the polymer chain. It allows for the creation of polymers with high safety and long-term stable weather resistance, without the volatilization or leaching of the ultraviolet absorber. It demonstrates its features in applications where previous ultraviolet absorbers did not provide sufficient weather resistance, such as in coatings, films, and textiles. 【Features】 ■ Does not easily volatilize even in high-temperature environments ■ Does not leach from the resin surface ■ Excellent chemical resistance and environmental resistance ■ Maintains long-term weather resistance in thin films and fibers *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials
• Composite Materials

"Q-CHARGE" is a high-performance, high-purity electrolyte for capacitors, based on Nitrogen Chemistry developed in the hydrazine business and pharmaceutical manufacturing technology. It uses an electrolyte with high solubility, possesses low resistance and high electrical conductivity, and further excels in electrochemical stability. Through precise analysis for quality control and in-house performance evaluation facilities, it contributes to the enhancement of electric double-layer capacitors. 【Features】 ■ Uses an electrolyte with high solubility ■ Possesses low resistance and high electrical conductivity ■ Excellent electrochemical stability *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials
• Composite Materials

In the "inorganic chemicals" we handle, we offer grades tailored to various applications to meet our customers' needs. We provide products such as "potassium nitrate," used in the manufacture of explosives, fireworks, and pyrotechnics, as well as glazes for ceramics, "potassium sulfate," a nutrient source for fermentation microorganisms, and "potassium chloride," used as a raw material for potassium metal products and various industrial raw materials. If you have any questions or inquiries about chemical products that can be used in your own products, please feel free to contact us. 【Inorganic Chemical Products】 ■ Potassium Nitrate ■ Potassium Chloride ■ Sodium Chloride ■ Potassium Sulfate ■ Calcium Chloride Dihydrate, etc. *For more details, please refer to the PDF materials or feel free to contact us.

• Other polymer materials
• Composite Materials

"Shadan" is a long-life coolant with an optimal formulation balance achieved through a combination of corrosion and rust inhibitors. It demonstrates excellent performance as a corrosion and rust inhibitor/heat transfer medium in cogeneration (combined heat and power) systems, which have garnered significant interest in recent years. We offer recommendations tailored to the usage environment and applications, including antifreeze corrosion and rust inhibitors for cold regions, antifreeze corrosion and rust inhibitors for warm regions, and general corrosion and rust inhibitors. 【Grades】 ■ Shadan AB ■ Shadan AL-N ■ Shadan D30(10) ■ Shadan D10/AL(10) ■ Shadan R *For more details, please refer to the PDF materials or feel free to contact us.

• Other polymer materials
• Composite Materials
• Rust Inhibitor

Our company has provided various azo-based polymerization initiators, and now we offer a new non-cyanide type that also ensures safety. The azo-based polymerization initiators "OT AZO-15" and "MAIB" are non-cyanide types that prioritize safety and are oil-soluble, making them suitable for a wide range of applications at medium temperature ranges. Additionally, "OT AZO-15" is not classified as a hazardous substance under the Fire Service Act. 【Properties】 <OT AZO-15> ■ Molecular weight: 354.4 ■ Melting point (°C): 106–110 ■ Decomposition point (°C): 106–110 ■ Temperature for 10-hour half-life (°C): 61 ■ Activation energy (kcal/mol): 30 *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials
• Composite Materials

The technology of polymer chemistry greatly contributes to the fields of fibers, rubber, resins, paints, and adhesives. Supporting this technology from below is catalytic chemistry. Our company sells azo-based polymerization initiators and offers a range of products that can meet various needs. 【Classification of azo-based polymerization initiators by polymerization temperature】 ■ Low-temperature polymerization - ADVN ■ Medium-temperature polymerization - AIBN, AMBN ■ Water-soluble type - ACVA *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials
• Composite Materials

"Hydrazide compounds" allow for easy adjustment of curing temperature and curing speed of epoxy resins through combinations with multiple hydrazide compounds. They are widely used in fields such as paints and adhesives as latent curing agents for thermosetting resins like epoxy, and as crosslinking agents for thermoplastic resins containing ketone groups in acrylic emulsions. [Features] - High reactivity, enabling curing at low temperatures - Excellent as latent curing agents - Adjustable crosslink density - Superior adhesion properties of the cured product - High Tg (glass transition temperature) cured products can be obtained *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials
• Composite Materials

Otsuka Chemical Co., Ltd. is engaged in the development of functional hydrazine derivatives. Starting with the development of hydrazine salts in the past, we continue to pursue functionality through azo compounds such as blowing agents and polymerization catalysts, as well as hydrazide compounds, hydrazone compounds, and heterocyclic compounds. Our company responds to the needs for various functional hydrazine derivatives. 【Features】 ■ Hydrazides: Curing agents, crosslinking agents for resins ■ Azo compounds: Blowing agents, polymerization initiators for resins ■ Heterocycles: Intermediates for industrial chemicals, cleaning agents, chelating agents, rust inhibitors, protective groups for isocyanates *For more details, please refer to the PDF materials or feel free to contact us.

• Other polymer materials
• Composite Materials

The "Uniform AZ P Series" is an environmentally friendly foaming agent primarily composed of inorganic carbonates. We offer masterbatches tailored for various applications and purposes, including vehicle components, building materials, and furniture parts. Unlike organic foaming agents, inorganic foaming agents do not leave color residues or odors in the final product (foam), leading to improved quality and increased productivity due to thermal decomposition. 【Features】 ■ White in color, resulting in minimal coloring of molded products ■ Less mold contamination and metal corrosion compared to organic foaming agents ■ Thermal decomposition allows for shorter molding cycles ■ Masterbatches available for various applications and purposes, including vehicle components, building materials, and furniture parts *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

The "blend-type foaming agent" is suitable for processing conditions that traditional foaming agents could not accommodate, and it is an effective foaming agent for imparting various functions. It forms bubbles in plastics and rubber, making it extremely effective for providing the desired functions. We offer a variety of grades to adapt to your processing conditions, such as target decomposition temperature and gas volume, so that we can propose the most suitable grade. 【Features】 ■ Adjusts foaming temperature, allowing functional enhancement even for resins processed at lower temperatures ■ High whiteness, effective for producing beautiful foamed materials with a fine surface ■ Foaming ratio can be adjusted through combinations *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

"Uniform AZ Ultra" is a chemical foaming agent that improves the quality of foam materials by enhancing dispersion through surface treatment. Developed based on powder engineering and our unique surface treatment technology, it is a type designed for solidification, agglomeration, and dust prevention. It does not solidify due to moisture absorption during storage, making inventory management easier, and it enhances dispersion in resins, reducing voids and pinholes. 【Features】 ■ Excellent compatibility and dispersion with plastics, rubber, and other materials ■ Decomposition temperature suitable for processing temperatures of plastics and rubber ■ Adjustable decomposition temperature and rate ■ High gas generation (Gas volume: 220–245 ml/g) ■ Minimal contamination from decomposition products ■ Little change over time, excellent storage stability *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

"Uniform AZ" is a chemical foaming agent produced through a consistent process from hydrazine hydrate, a derivative of hydrazine hydrate, and possesses a high level of quality. It is extremely effective in forming bubbles within plastics and rubber, providing various functions such as thermal insulation, soundproofing, cushioning, flexibility, and decorative properties, while also contributing to lightweighting. In addition to being adjustable in decomposition temperature and rate, it has excellent storage stability with minimal changes over time. 【Features】 ■ Excellent dispersibility with plastics, rubber, etc. ■ Decomposition temperature suitable for processing temperatures of plastics and rubber ■ Adjustable decomposition temperature and rate ■ High gas generation (Gas volume: 220–245 ml/g) ■ Minimal contamination from decomposition products ■ Minimal changes over time and excellent storage stability *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

"Kemcatch" is a catcher agent that excels in deodorization amount and speed due to its adsorption through chemical reactions. It was developed for the chemical removal of formaldehyde and acetaldehyde generated in new houses and renovations. We offer various grades for water-based and solvent-based applications. Depending on the application, it can be added or blended with various treatment agents or resins to impart catcher functionality. 【Features】 ■ Selectively deodorizes neutral odors (aldehydes) ■ Forms a chemical bond with aldehydes, with no release observed after deodorization ■ Capable of deodorizing approximately 0.3 to 0.4 grams of formaldehyde per gram of agent *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials
• Ceramics
• Other safety and hygiene products

"Dentol WK" is a white conductive filler based on a thismol derivative, with a nano-order conductive layer applied to its surface. By incorporating it into paints, adhesives, resins, etc., conductivity can be imparted. Our company offers a range of white conductive materials (the "Dentol" series) that can be widely applied in fields such as paints, plastics, and inks. 【Features】 ■ Extremely stable resistors can be obtained ■ Imparts conductivity to paints, adhesives, films, and molded products ■ Resistance values can be set by adjusting the amount added ■ Excellent environmental stability ■ Resistance values are stable against temperature and humidity, and have excellent chemical resistance *For more details, please refer to the PDF materials or feel free to contact us.

• Other polymer materials

The high-performance thermoplastic composite material "Pochicon" is a composite material that incorporates ultra-fine potassium titanate fibers called "Tisumo." It is a thermoplastic material that meets customer needs for applications requiring micro-reinforcement, such as LED reflector parts and camera module components, as well as for high-strength and high-sliding applications like automotive bearing parts. 【Features】 ■ Micro-reinforcement ■ Excellent friction and wear properties ■ Excellent dimensional accuracy and surface smoothness ■ Excellent recyclability *For more details, please refer to the PDF document or feel free to contact us.

• plastic
• Other polymer materials

"Terases" is a new material that meets global needs. Utilizing shape control and composition control technologies, which are part of Otsuka Chemical's core technologies, we have developed titanate. It is primarily used in automotive brake friction materials and continues to expand globally every day, improving μ stability, wear resistance, fade resistance, and NVH as a friction adjusting material. [Features] - Primarily used in automotive brake friction materials - Attributed to both physical and mechanical factors brought about by shape and crystal structure, and factors due to chemical reactions at the friction interface resulting from chemical properties - Possesses many characteristic grades, allowing us to consistently propose suitable fillers for our customers *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

"Tisumo" was born in 1979 and has been used for many years. It is an extremely fine crystalline fiber, with a size that is thousands of times smaller than that of conventional glass fibers. Its range of applications continues to expand, primarily in the automotive, office automation equipment, and electronics sectors, with uses spreading worldwide. 【Features】 ■ Size is thousands of times smaller than conventional glass fibers ■ High-strength, high-rigidity material with strength and rigidity equivalent to carbon fibers ■ Mohs hardness comparable to cast iron, exhibiting excellent friction and wear characteristics *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

"TERPLUS" is a functional polymer synthesized using our proprietary controlled radical polymerization method, "TERP method." By utilizing controlled radical polymerization, we provide polymer products with uniform molecular weights and controlled polymer structures, such as block polymers. The main product groups of "TERPLUS" include the following: 1) Pigment dispersants: Advanced dispersion stability due to block polymer structure 2) Adhesives: Manifestation of anti-contamination properties and mechanical characteristics through molecular weight distribution control in the high molecular weight range Our dedicated plant at the Tokushima factory can accommodate production from prototype to mass production levels. *For more details, please refer to the PDF materials or feel free to contact us.

• Other polymer materials