Low moisture absorption syntactic foam

Details Low moisture absorption syntactic foam Low moisture absorption syntactic foam

1992-09-15

1997-09-09

Zirker, Daniel

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523219, 428325, 4283179, C08J 932

Patent

active

056654618

ABSTRACT:
A syntactic foam in the form of a thin uniform sheet that possesses enhanced moisture resistance, which comprises a composite filled with hollow microspheres such as glass in a polymer matrix resin such as an epoxy resin where the resin encapsulates the microspheres and the filled composite at weight equilibrium has less than 15% of the available internal volume of the microspheres occupied by liquid water as determined by the LMA test. The process of making the sheet and composites incorporating the sheet is described.

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