jER™ YX8000D

Identification & Functionality

Chemical Family

Bisphenol A Type Epoxy,

Bisphenol Epoxy Resins,

Epoxy & Epoxy Derivatives

Polymer Name

Epoxy Resins & Compounds

CASE Ingredients Functions

Adhesion Promoter,

Binder & Resin,

Coupling Agent

Composite Materials Functions

Adhesion Promoter,

Resins, Binders & Matrix Materials

Plastics & Elastomers Functions

Resin

Technologies

CASE Ingredients,

Composite Materials,

Plastics

Product Families

CASE Ingredients — Additives

Functional Additives

Composite Materials — Polymers & Resins

Thermoset Resins

CASE Ingredients — Resins & Binders

Epoxies

Plastics — Thermoset Resins

Epoxies

Molecular Structure

Features & Benefits

CASE Ingredients Features

Excellent Adhesion,

Fast Cure,

Faster Cure Time,

Low Chlorine Content,

Radiation Curable,

Transparency

Materials Features

LED-curable,

UV Curable

Features

• Highly adhesive to metal, porcelain, concrete
• Excellent insulation property
• High heat resistance
• High chemical resistance
• High water resistance

Product Highlights

• Liquid type (easy to handle)
• Excellent Tranparency even after full-curing
• Adhesion
• High Photo cure rate
• Low chlorine level

Applications & Uses

Markets

Adhesives & Sealants,

Building & Construction,

Consumer Goods,

Electrical & Electronics,

Paints & Coatings

Applications

Consumer Goods — Appliances & Electronics

Electrical & Electronics — Devices & Assemblies

Displays,

Other Devices & Assemblies

Adhesives & Sealants — Industrial & Assembly Adhesives

Electronics Adhesives

Adhesives & Sealants — Other Adhesives & Sealants Applications

Building & Construction — Other Building & Construction Applications

Paints & Coatings — Other Paints & Coatings Applications

Electrical & Electronics — Packaging & Assembly

Adhesives & Sealants,

Other Packaging & Assembly Applications,

Potting Compounds

Electrical & Electronics — Parts & Components

Semiconductor Manufacturing

Compatible Substrates & Surfaces

Aluminum,

Ceramic,

Concrete,

Fibers & Fabrics,

Glass,

Metal,

Plastics,

Steel

Cure Method

Radiation Cure

Coating Type

Radiation Curable Coating

Plastics & Elastomers End Uses

Semiconductor Applications

Usage & Application

• Photocure process (UV/LED)
• LED/OLED encapsulant
• LED reflector
• Adhesives for optical devices, electro-optic assemblies, and laser components.

Properties

Physical Form

Liquid

Appearance

Colorless liquid

Typical Physical Properties

	Value	Units	Test Method / Conditions
Refractive Index (589nm)	1.50	—	D line

Physical Properties

	Value	Units	Test Method / Conditions
Density (at 25°C)	1.1	g/cm3	Density Meter (Vibration type)

Typical Properties

	Value	Units	Test Method / Conditions
Epoxy Equivalent Weight (WPE)	175 - 195	g/eq	Potentiometric Titration
Chloride Content	max. 1200	ppm	Potentiometric Titration
Viscosity (at 25°C)	max. 1500	mPa.s	Capillary Viscometer

Properties Formulation

			Value		Unit	Method
jER™ YX8000D			100	-	phr
Other company’s hydrogenated bisphenol A type epoxy			-	100
Anhydride curing agent (Methylhexahydrophthalic anhydride/Hexahydrophthalic anhydride = 70/30)			89	77	phr
Curing accelerator (Methyltributylphosphonium dimethylphosphate)			1	1	phr
Gel time @ 120 °C			30	36
Curing condition			100°C/3h + 130°C/3 h
Cured State Properties
Tg (tanδ)			135	-	°C	Dynamic Mechanical Analysis
Elastic modulus @ 30 °C			3.4	-	GPa	Dynamic Mechanical Analysis
Elastic modulus @ 220 °C			17	-	MPa	Dynamic Mechanical Analysis
Tg			136	110		Thermo Mechanical Analysis
Coefficient of Thermal Expansion (α1)			68	75	ppm	Thermo Mechanical Analysis
Coefficient of Thermal Expansion (α2)			172	186	ppm	Thermo Mechanical Analysis
Moisture absorption rate	72hr		0.8	0.9	%	85°C 85％RH
	168hr		0.83	0.92	%
Light resistance (Weathermeter, 0.4kw/m^2)	Yellowness index	0hr	1	1	-
		168hr	7	16	-
	Light transmittance at 360 nm	0hr	86	85	%
		168hr	53	35	%

Technical Details & Test Data

Photo Curability Data

YX8000D significantly decreases photo curing time to reach sufficient crosslinking reaction level compared to a conventional CER.

 

CER: Cycloaliphatic epoxy resin
Light source 200mW/cm², no filter, 25°C
Photo cationic catalyst CPI 100P San Apro Ltd.

Transparency of jER YX8000D

Izod Impact Strength Data

Transparency Data of YX8000 Series

Transparency data of YX8000*

High transparency can be achieved by YX8000D.

*YX8000 is a former version of YX8000D with higher Cl impurity.

Curing condition: 100°C x 3hr + 130°C x 3hr
Curing agent: Acid anhydride type

Typical Reactions with Representative Hardeners

Adhesion Improvement Data of YX8000

YX8000 addition to CER improves adhesiveness to metal substrates.
*YX8000 is a former version of YX8000D with higher Cl impurity.

Share adhesive strength

Curing condition: 100°C x 3hr + 130°C x 3hr
Curing agent: Acid anhydride type
Share adhesive strength test: ISO4587 (JIS K 6850)

Typical Reactions with Self Polymerization

Selection of Hardeners

Appropriate choice of Hardener for a desired curing temperature

General Ways to Use Epoxy

• Epoxy resin forms 3D crosslinked network structure
• Abundant choices of Epoxy/Hardener combination

 

Packaging & Availability

Packaging Type

Cans,

Drums

Packaging Information

Steel drum with 200 kg net and metal can with 20 kg net

Storage & Handling

Shelf Life

3 months

Storage and Handling

Carefully read the SDS before using, handling, transporting, storing or disposing. jER™ YX8000D should be stored in tightly closed containers under exclusion of humidity at gentle temperatures. Avoid exposure to direct sunlight. Under these storage conditions the product has a minimum shelf life of three months from date of delivery.