Homopolymerized epoxy-based form-in-place material

Details Homopolymerized epoxy-based form-in-place material Homopolymerized epoxy-based form-in-place material

2005-05-10

2005-05-10

Foelak, Morton (Department: 1711)

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

Synthetic resins

Cellular products or processes of preparing a cellular...

C521S097000, C521S135000, C521S178000

Reexamination Certificate

active

06890964

ABSTRACT:
A two-component foam-in-place structural material for producing a foamed product. The first component of the system includes an epoxy-based resin preferably formulated with a physical blowing agent particulate material. The physical blowing agent core is encapsulated within a shell or skin that will change state. The second component is an acid that is capable of initiating polymerization of the resin. A reactive mixture is achieved through the combination of the first and second components wherein heat from the exothermic reaction of the epoxy component caused by the acid in turn causes the thermoplastic shell having a solvent core to soften and increase in size due to gas pressure and change in state of the shell thereby foaming the reactive mixture.

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