Energy savings plus mechanical reinforcement and rheology control

High Temperature Epoxy Novolac Encapsulants and Adhesives (B)

Adhesives Formulation

Applicable Type

Reactive Adhesives , Epoxy Adhesives

Applicable Industrial Sectors

Automotive , Industrial Assembly , Aircraft & Aerospace

Applicable Base Polymer Properties

Epalloy 8330 is a 3.6 functional epoxy phenol novolac resin exhibiting lower viscosity than competitively available commercial alternates. Erisys RN-3650 is a blend of resorcinol epoxy resin and 3.6 functional phenol novolac resin. These specialty epoxy resins deliver improved performance characteristics over standard resins, including chemical resistance, thermal performance, modulus, cure speed and UV resistance.

Typical Formulation Ingredients

Phase

Ingredient

Parts by weight

Epoxy novolac resin (Epalloy 8330, CVC Specialty Chemicals)

xxx

AC methylene anhydride (Lonza)

Pyromelitic dianhydride (Alco)

Typical Properties

Properties

Curing conditions

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Glass transition temperature, °C

xxx

Processing

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Resulting Properties

The above formulation makes a molding compound or encapsulant. The adhesive compositions of these formulations are useful for providing adhesives that rapidly cure to provide adhesive bonds having both high peel strength and high overlap shear strength at room temperature and at 120°C to 150°C or higher.

Tips and Tricks

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