Thermosetting polyether oligomers, compositions and methods...

Details Thermosetting polyether oligomers, compositions and methods... Thermosetting polyether oligomers, compositions and methods...

2011-04-19

2011-04-19

Cain, Edward J (Department: 1762)

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C528S080000, C528S425000

Reexamination Certificate

active

07928153

ABSTRACT:
The invention is based on the discovery that certain polyether oligomers bearing curable moieties are useful as adhesives for the microelectonic packaging industry. Specifically, certain thermoset adhesive compositions containing polyether oligomers of the invention have good adhesion with lower viscosity, lower resistivity, higher conductivity and higher thixotropy when compared to acrylate- and maleimide-based thermoset adhesives.

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