FIELD: chemistry.
SUBSTANCE: surface of fine powder fillers is treated with a solution of a phenol-formaldehyde resin of resol type with a nonionic surfactant in isopropanol with vigorous stirring in a vacuum reactor under conditions of a fluidized bed of powder fillers.
EFFECT: improved method.
2 cl
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Authors
Dates
2017-09-11—Published
2016-09-09—Filed