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Polyphenylene Ether Macromonomer - Cyanate Ester Laminates



The focus of this paper is on the use of PPE macromonomers to enhance the performance of cyanate esters laminates.
Materials Tech

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Authored By:


Edward N. Peters
SABIC
Selkirk, New York USA

Summary


The electronics industry is driven by constant technological changes, which have brought improved innovative products to the marketplace. [1,2] These advances have placed high demands on material performance, such as low dielectric constants (Dk), low loss tangent (Df), low moisture uptake and good thermal stability.

Epoxy resins are an essential material of the electronic industry. [3] Significant enhancements of epoxy resins have been obtained through the use of PPE macromonomers. However, there is a limit on the performance that can be delivered from epoxy-based resins. Therefore, non-epoxy based dielectric materials are used to fulfill the need for higher capability. The focus of this paper is on the use of PPE macromonomers to enhance the performance of cyanate esters laminates.

Conclusions


PPE macromonomers readily react with cyanate ester resins and lower the cure temperature. Incorporation of the macromers into the triazine matrix results in the broad enhancement of properties. Overall the combination of PPE macromers into cyanate ester resins results in networks with a single phase, high glass transition temperatures and low dielectric properties, enhanced fracture toughness and reduced moisture absorption.

Laminates prepared with cyanate esters and PPE-M exhibited broad enhancement of properties over BPA-epoxy based laminates. This includes Tgs greater than 210 degrees C, very low Dk and Df and lower CTE.

Initially Published in the IPC Proceedings

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