Products in Electronics Coatings: Oligomer

SHIKOH™ UT-7792 is a bio-based urethane acrylate oligomer. (Development product) Its biomass degree is 71% while its mechanical properties are the same as a non-biomass grade UV-3300B, with higher elongation and very soft rubbery elasticity suitable for using UV-curable adhesives for electronics devices. Features Bio-based Soft-elastic, High elongation Suitable for adhesion bond and metalizing undercoat with monomers Non-yellowing Applications Adhesive : UV/ EB/ Thermal-curable adhesive for electronics device, optical use, and automotive use. 3D printer *SHIKOH™ is provided by Mitsubishi Chemical Corporation, a member of the Mitsubishi Chemical Group.

SHIKOH™ UV-3300B is UV curable urethane acrylate oligomer with excellent soft-elasticity, and very high elongation. It also shows good mechanical properties even at low temperature. EB and Thermal cure systems are also applicable. Features Soft-elastic, High elongation Suitable for adhesion bond and metalizing undercoat with monomers Good mechanical properties at low temperature Non-yellowing Applications Adhesive : UV/ EB/ Thermal-curable adhesive for electronics device, optical use, and automotive use. 3D printer *SHIKOH™ is provided by Mitsubishi Chemical Corporation, a member of the Mitsubishi Chemical Group.

SHIKOH™ UV-3700B is UV curable urethane acrylate oligomer with high elongation and soft rubbery elasticity. It is relatively low viscosity despite its high molecular weight. EB and Thermal cure systems are also applicable. Features Soft elastic type, High elongation High molecular weight but relatively low viscosity Non-solvent (100% hardening ingredient) For UV adhesion with monomers Non-yellowing Applications Adhesive: UV/ EB/ Thermal-curable adhesive for electronics device, optical use and automotive use. 3D printer *SHIKOH™ is provided by Mitsubishi Chemical Corporation, a member of the Mitsubishi Chemical Group.

SHIKOH™ UV-3520TH is an aliphatic urethane acrylate oligomer with soft elasticity, good toughness and high elongation. It shows unique mechanical properties with various reactive diluents. Features Soft-Elastic type, Good toughness, High elongation Diluted in Tetrahydrofurfuryl Acrylate (THFA) (oligomer/ THFA = 70/30 wt%) Non-solvent (100% hardening ingredient) Unique mechanical properties with various reactive diluents Applications UV/ EB/ Thermal-curable adhesive UV adhesive for electric device use 3D printer, and Inkjet *SHIKOH™ is provided by Mitsubishi Chemical Corporation, a member of the Mitsubishi Chemical Group.

Parylene Type F Dimer is the solid, granular starting material used to produce parylene conformal coating films.

Bomar™ BR-742S is a difunctional, polyester Urethane Acrylate Oligomer that offers good weatherability. High-impact-strength coatings and inks can be formulated that are non-yellowing and have high gloss. This material offers low shrinkage, which is excellent for 3D printing applications. Furthermore, BR-742S is registered with INCI for cosmetic applications.

Parylene Type N Dimer is the solid, granular starting material used to produce parylene conformal coating films.

Bomar™ BR-641D is a Polybutadiene (PBD) urethane acrylate, which was designed to meet rigorous electronic coating applications. This oligomer has exceptional adhesion to various metals, glass,and polycarbonate substrates. BR-641D has many desirable properties that are typical to PBD resins, combined with radiation curability. In applications requiring thermal cycling resistance, BR-641D withstands the extremes of temperature typical of such tests, without undue degradation of properties. In addition to the adhesion properties listed in the table below, BR-641D showed excellent adhesion to PMMA, ABS, PVC, Nylon-6, Polystyrene,and Polypropylene.

BR-146, a high molecular weight, trifunctional, aliphatic polyether urethane methacrylate, provides low formulation viscosity and moderate elongation with nonyellowing properties appropriate to soft touch glass coatings and impact resistant coatings. BR-146 shows adhesion to a variety of substrates, making it a candidate for consideration in mixed surface adhesion applications.

Bomar®BR-643 is a polybutadiene (PBD) urethane acrylate. Designed to meet rigorous electronic applications, BR-643 has many desirable properties typical to PBD resins, combined with radiation curability. In applications requiring thermal cycling resistance, BR-643 withstands the extremes of temperature typical of such tests,without undue degradation of properties

Parylene Type C Dimer is the solid, granular starting material used to produce parylene conformal coating films.

Bomar®BR-970H is a low viscosity, difunctional, aliphatic urethane acrylate. BR-970H has high modulus and doesn’t necessarily need to be blended with other oligomers to achieve a balance of toughness and flexibility. BR-970H offers rapid cure and non-yellowing properties where premium performance is required. This oligomer is perfect for 2D and 3D inkjet applications as well for use in Graphic Arts application. This oligomer canalsobe used in electronics, and automotive applications

EBECRYL® 1259, an acrylated aliphatic urethane oligomer diluted with 35% hydroxyl propyl methacrylate, is meticulously crafted for solder resist coatings on printed circuit boards. Its versatile curability by ultraviolet light (UV) or electron beam (EB) sets it apart. Serving the electronics industry with finesse, EBECRYL® 1259 excels in radiation-curable coatings. Its adaptability extends to various applications in other specialty coatings, making it a preferred choice in diverse coating formulations.

Bomar™ BR-744SD is a difunctional, aliphatic polyester urethane acrylate offering excellent adhesion, flexibility, and tensile strength. It can be effectively formulated for adhesion to steel, aluminum, and various plastics. Products formulated with BR-744SD can be highly flexible, elastomeric, and tacky. It is excellent as an adhesion promoter or reactive tackifier, and is a perfect choice for optically clear UV-PSAs.

Bomar® BRS-14320S is a difunctional oligomer that combines a robust silicone backbone into a urethane acrylate oligomer. The resulting product provides an unusual combination of desirable properties: softness, flexibility, and temperature resistance. BRS-14320S is a candidate for consideration in formulating 100% UV soft-touch coatings and also for electronics applications

Bomar®BR-641E is a polybutadiene urethane acrylate oligomer designed for rigorous electronic coating, flexible ink,and pressure-sensitive adhesive applications. This oligomer is also perfect for extremely low water absorption applications. It is resistant to thermal cycling and can withstand the temperature extremes typical of such tests without undue degradation of properties.

EBECRYL® 8413 is a radiation-curable coating with a hazy tan liquid appearance. Designed to be solvent-free and voc-free, it serves a diverse array of markets, including adhesives and sealants, building and construction, consumer goods, electrical and electronics, and paints and coatings. This versatile formulation finds application in areas such as building envelopes, architectural coatings, electronics packaging, and specialty coatings. Specifically tailored for compatibility with plastics, it is particularly suited for consumer electronics, sports and fashion, and various other specialized applications.

Cosmonate LK is modified MDI with clear and light yellow color that is easily handled and used in the temperature of over 10℃ by making some portion of crystallized solid cosmonate PH carboiimide to maintain liquid state with low viscosity of Max. 110 cps (25℃) on normal temperature.

Astrocure® 67 Oligomer is a unique, low profile reactive, cycloaliphatic oligomer, especially tailored for application in ultra-violet/electron beam (UV/EB) radiation cured coating. The product is a flexible version of Astrocure® 78. It is light in color and has excellent adhesion to a wide variety of substrates.

Astrocure® 88 Oligomer is a low viscosity, low reactivity, flexibilizing oligomer that is designed to be used as a flexibilizing agent. It is light in color and should be used with Astrocure® 78 in the 10-15% by weight levels.