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jER™ YX8000D
jER™ YX8000D is a highly pure alicyclic epoxy resin used in optical materials such as LED encapsulants, adhesives for displays, semiconductor manufacturing, and LED reflectors.
- Manufacturer: Mitsubishi Chemical Group
- Product Line: jER™ Epoxy Resins
- Product: jER™ Thermosetting Epoxy Resins
- Industries: Adhesives | Coatings | Maintenance, Repair, Overhaul
- Authorized Countries: United States
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Overview
jER™ YX8000D is a UV/LED-curable, hydrogenated bisphenol A-type liquid epoxy resin formed by the condensation polymerization of bisphenol A and epichlorohydrin. It forms an infusible, insoluble, three-dimensional, hardened material when reacted with various curing agents with significantly lower photocuring time required than conventional CERs. This hardened coating exhibits excellent insulation and resistance to heat, chemicals, water, wear, and abrasion while remaining highly adhesive to various substrates, such as metal, porcelain, concrete, glass, fibers, fabrics, ceramics, and steel. Due to its colorless and transparent appearance, it is ideal for optical materials such as LED encapsulants, adhesives for displays, LED reflectors, and semiconductor manufacturing.
Specifications
Epoxy equivalent weight (WPE): 175–195 g/eq
Total, Cl: ≤1200
Appearance: Colorless liquid
Viscosity at 25°C: ≤1500 mPa·s
Refractive index: 1.50
Density at 25°C: 1.1 g/cm3
Cured State Properties:
Tg: 136°C
Elastic modulus @ 30°C: 3.4 GPa
Elastic modulus @ 220°C: 17 MPa
Coefficient of thermal expansion (α1): 68
Coefficient of thermal expansion (α2): 172
Moisture absorption rate (72 hr): 0.80
Moisture absorption rate (168 hr): 0.83
Cured State Properties Formulation:
jER™ YX8000D: 100 phr
Anhydride curing agent: 89 phr
Curing accelerator (methyltributylphosphonium dimethylphosphate): 1 phr
Gel Time @ 120°C: 30–36
Curing condition: 100°C/3 hr + 130°C/3 hr
CAS: 13410-58-7
Features & Benefits
Hydrogenated bisphenol A type
Epoxy resin
Highly adhesive to metal, porcelain, and concrete
Excellent insulation
High heat resistance
High chemical resistance
Excellent wear and abrasion resistance
High water resistance
Low chlorine impurity level
Decreases photocuring time to reach sufficient cross-linking reaction level
High purity
Fast cure time
Excellent transparency
UV curable
LED curable
Problems Solved
Damage to coatings caused by exposure to weather, chemicals, or water
Resin shifting or distortion from water
Cracking and surface defects of coatings used on flexible substrates
Applications
Optical materials such as LED encapsulants and adhesives for display
Consumer appliances and electronics
Electrical and electronic displays
Electronics adhesives
Potting compounds
Semiconductor manufacturing
LED
LED/OLED encapsulants, LED reflectors, adhesives for optical devices
Compatible with metal, aluminum, concrete, masonry, glass, fibers, fabrics, plastics, steel, and ceramic
Related Applications
Adhesives
- Architectural
- Ceramics
- Industrial
- Machinery & Appliances
- Packaging
- Paper & Consumables
- Sealants
- Textiles
Related Chemistries
Maintenance, Repair, Overhaul
Related Functions
Related Technologies
Adhesives
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