Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1995-04-19
1996-03-19
Krass, Frederick
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
525524, 528103, 528123, C08L 6302
Patent
active
055004610
ABSTRACT:
A process for producing stable dispersions of epoxy resins is presented in which an epoxy resin is mixed with water in the presence of a reactive surfactant to form a predispersed resin. To this predispersed resin, a micronized dicyandiamide based curing agent is added to form a predispersed resinous mass. The mass is stirred for a time and at a temperature sufficient to convert the predispersed resinous mass to a stable epoxy resin dispersion where the water is the continuous phase and the resin is the dispersed phase. The dispersion is useful as a one-pack epoxy resin system in applications such as binders for non-wovens, papers, textiles, composites, and laminates and in many coating applications.
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Krass Frederick
Shell Oil Company
Volyn Todd F.
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