Phosphine-protonated haloaromatic compound accelerator with...

Details Phosphine-protonated haloaromatic compound accelerator with... Phosphine-protonated haloaromatic compound accelerator with...

2008-04-23

2010-02-23

Sellers, Robert (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C523S466000, C525S523000, C525S533000

Reexamination Certificate

active

07666953

ABSTRACT:
The invention relates to a curing accelerator for a curing resin obtained by reacting a phosphine compound (a) with a compound (b) having at least one halogen atom substituted on an aromatic ring and at least one proton atom which can be discharged, and subjecting the reaction product to dehydrohalogenation, a curing resin composition containing the curing accelerator, and an electronic component device having a device component encapsulated with the curing resin composition. The curing accelerator exhibits superior curability under moisture absorption, flow properties, reflow cracking resistance and high-temperature storage characteristics.

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