日本材料技研 List of Products and Services

This product "APP" can impart high refractive index to polymers such as polyimide due to the high molecular refractive index and atomic refractive index of the pyridine skeleton and sulfur atom. The polyimide film after polymerization with ODPA (4,4'-Oxydiphthalic Anhydride) has been confirmed to have a high refractive index of 1.7 (measured at a wavelength of 633nm). Applications are anticipated in various optical components such as anti-reflective coatings, optical waveguides, and microlenses.

• Other polymer materials

"DCPD-DE (low chlorine grade)" is a bifunctional cycloaliphatic epoxy manufactured using a unique synthesis method. We have established a mass production method for epoxy resins with high purity (99.5% or more) and no chlorine content (below the detection limit of 10 ppm). We have also succeeded in pilot-scale production and can accommodate demand exceeding 1 ton per year through made-to-order production. Due to the inclusion of a cycloaliphatic framework, we can achieve a formulation of epoxy compounds that exhibit low dielectric properties, low dielectric loss, and high heat resistance. 【Features】 ■ Low chlorine content bifunctional cycloaliphatic epoxy ■ Thermosetting resin with high heat resistance, high light resistance, and low curing shrinkage ■ Contains a cycloaliphatic framework *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials

"Ti3C2 MXene" is a two-dimensional layered compound composed of three layers of Ti (titanium) and two layers of C (carbon) that are stacked into nanosheets. Two-dimensional nanomaterials MXene is a general term for composite atomic layered compounds made from early transition metals (such as titanium and vanadium) and light elements (carbon or nitrogen), with Ti3C2 being one of the representative MXenes. Additionally, MXene has high conductivity like graphene, and its particle surface is hydrophilic, which allows for good dispersion in polar organic solvents and the ability to form uniform coatings, thus it is expected to create high-quality conductive films. [Features] ■ High conductivity: 7,000 S/cm ■ High electromagnetic shielding: SE>50 dB@10GHz (value for t5um film) ■ High specific capacitance: 900 F/cm3 *For more details, please download the PDF or feel free to contact us.

• Composite Materials

"BNFO (Bismuth Nickel Iron Oxide)" is a perovskite-type oxide material that exhibits an enormous negative linear thermal expansion of minus 187 per million for every degree of temperature increase. 【Technical Overview and Features】 It undergoes a phase transition at any temperature. The volume, electrical properties, and thermal properties change before and after the phase transition. 【Applications of the Product/Technology】 It is being considered for various new temperature sensors, actuators, etc. It can also be compounded with resins such as epoxy, acrylic, silicone, and engineering plastics. *For more details, please refer to the PDF document or feel free to contact us.

• Composite Materials
• Ceramics

"BNFO (Bismuth-Nickel-Iron Oxide)" is a perovskite-type oxide material that exhibits an enormous negative linear thermal expansion of minus 187 per million for each degree of temperature increase. 【Technical Overview and Features】 It is a filler that suppresses the thermal expansion of components when compounded with resin. It has a significant thermal expansion suppression effect and allows for flexible control of the operating temperature range. It possesses negative thermal expansion characteristics that are 4 to 5 times greater than those of commercially available products from other companies. 【Applications of the Product and Technology】 It can be applied to adhesives for precision parts and injection molding. It is compounded and molded with epoxy, acrylic, silicone, and engineering plastics, and numerous expansion suppression effects have been confirmed. 【Benefits for Users】 It is expected to support high-density integration, expand the processing temperature range, improve dimensional accuracy, stabilize high-temperature characteristics, reduce warping, and enhance adhesion and flexibility by reducing the amount of filler used. *For more details, please refer to the PDF document or feel free to contact us.

• Composite Materials
• Ceramics

"Silsesquioxane Fatty Acid Anhydride DDSQ" is a bifunctional monomer made from a double-decker type polysilsesquioxane and fatty acid anhydride. It is suitable for applications such as high heat-resistant resin materials (polyimide, epoxy, etc.). By incorporating double-decker type silsesquioxane into the main chain of high heat-resistant resins like polyimide and epoxy, it is expected to enhance heat resistance while also providing properties such as low dielectric, low thermal expansion, and improved toughness. 【Features】 ■ Incorporating into the main chain of high heat-resistant resins enables the addition of properties such as low dielectric and low thermal expansion. ■ Low dielectric: Dielectric constant 2.4 to 2.8 ■ High heat resistance: Heat resistance temperature around 500°C ■ Low Tg: Tg 250 to 270°C *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials
• Composite Materials
• plastic

The "bicyclic vinyl sulfonic compound VSTCD" is a monomer with a tricyclodecane skeleton and two sulfonyl groups. It is a raw material for transparent resins with high refractive index and high Abbe number, such as polythioether sulfon, and is expected to impart properties such as low moisture absorption, high thermal stability, and high Tg (glass transition temperature). It is suitable for high heat-resistant transparent resins used in optical modules such as sensors and cameras. 【Examples of Polymer Properties】 ■ High refractive index: Refractive index 1.6228 ■ High Abbe number: Abbe number 45.8 ■ High heat resistance: Tg 113℃ *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials
• Composite Materials
• plastic

The "Thixotropic Gelling Agent Chikosuta" is an amphiphilic polyurethane that combines hydrophobic "branched alkyl comb-shaped diol BACD" with polyethylene glycol (PEG) as its base. The main chain is hydrophilic, while part of the molecule is hydrophobic, giving it a unique molecular structure. In addition to providing viscosity, it can also impart thixotropic properties. It has a proven track record as a thickening agent added to mortar admixtures for cement. 【Features】 ■ Provides viscosity ■ Rheological properties ■ Non-ionic organic compound ■ Stable in alkaline environments 【Expected Applications】 Thickening agent for cement-based materials Molding aid for ceramics Additive for paints *For more details, please refer to the PDF document or feel free to contact us.

• Composite Materials
• Ceramics
• Engineering Plastics

"Branch Alkyl Comb-type Diol BACD" is a functional monomer/resin raw material in the form of a colorless or pale yellow liquid with a purity of over 98%. It is a comb-shaped diol with three C8 branched alkyl groups, which can be used as a monomer for polyesters and polyurethanes. It enhances the amorphousness of polymers and can improve solubility, transparency, flexibility, as well as rheology and viscosity adjustments. The "Thixostar" combined with PEG has a proven track record as an additive for cement mortars. 【Features】 ■ Enhances the amorphousness of polymers ■ Improves solubility, transparency, flexibility, and allows for rheology and viscosity adjustments ■ Molecular weight: 501.8 ■ Appearance: Colorless or pale yellow liquid ■ Purity: Over 98% *For more details, please refer to the PDF document or feel free to contact us.

• Composite Materials
• plastic
• Other polymer materials

We would like to introduce the resin material 'Tri-functional Benzoxazine BTBz' handled by Japan Materials Research Institute. This benzoxazine has three oxazine rings centered around a benzene ring, and it is expected to exhibit properties such as high heat resistance, flame retardancy, low moisture absorption, low dielectric constant, and low thermal expansion. A highly cross-linked, ultra-high heat-resistant thermosetting resin polybenzoxazine can be obtained. 【Specifications (partial)】 ■Molecular weight: 705.8 ■Melting point: 106.7–107.8℃ ■Char yield: Yc 74%@600℃ ■Appearance: White powder ■Purity: 90% or more *For more details, please refer to the PDF document or feel free to contact us.

• Other polymer materials
• Composite Materials
• plastic

D-Lactide is a biodegradable resin monomer that is dimerized from high optical purity D-lactic acid. It is in the D form, not the L form. It can be used as a polymer grade made from high optical purity D-lactic acid with low amounts of moisture and acid. By using it as a monomer, it can contribute to the development of new biodegradable materials and biocompatible resins for medical applications and packaging materials. Japan Materials Research Institute also manufactures D-lactic acid and is advancing the development of poly D-lactic acid. We possess the technology for the synthesis of lactic acid to poly lactic acid, so please feel free to contact us if you have any inquiries. 【Features】 ■ D-lactic acid of high optical purity produced from plant-derived materials is dimerized. ■ Can be used as a polymer grade. ■ By combining poly D-lactide, which is polymerized from D-lactide, with conventional poly L-lactide, a stereocomplex is formed. *For more details, please refer to the PDF document or feel free to contact us.

• Composite Materials
• plastic
• Organic Natural Materials

We would like to introduce our environmentally friendly material, "Plant-derived High Optical Purity D-Lactic Acid." It can be produced through a unique manufacturing process with low environmental impact. This is an optical isomer of conventional lactic acid (L-lactic acid) with high optical purity, making it suitable for applications in polymers and medical uses. The presence of specific substances such as inorganic ions and heavy metals is generally below a few ppm, and we can also consider the possibility of providing derivatives based on your requests, so please feel free to contact us. 【Features】 ■ High optical purity: D-lactic acid with a purity of over 99% ee ■ Low environmental impact: A manufacturing process with zero by-product waste ■ Flexibility: Selective production of D/L lactic acid using the same process *For more details, please refer to the PDF document or feel free to contact us.

• Composite Materials
• plastic
• Other polymer materials